From 49183bb82a78b0414cd9e9be67d12849fceae462 Mon Sep 17 00:00:00 2001
From: idrissrio <idrissrio@github.com>
Date: Wed, 16 Apr 2025 16:19:26 +0200
Subject: [PATCH 1/5] C++: add predicate to distinguish between array/field
 designators

---
 cpp/ql/lib/semmle/code/cpp/exprs/Literal.qll | 41 +++++++++++++++++++-
 cpp/ql/lib/semmlecode.cpp.dbscheme           |  6 ++-
 2 files changed, 43 insertions(+), 4 deletions(-)

diff --git a/cpp/ql/lib/semmle/code/cpp/exprs/Literal.qll b/cpp/ql/lib/semmle/code/cpp/exprs/Literal.qll
index a36758417bb9..fb79988c10f1 100644
--- a/cpp/ql/lib/semmle/code/cpp/exprs/Literal.qll
+++ b/cpp/ql/lib/semmle/code/cpp/exprs/Literal.qll
@@ -213,7 +213,27 @@ class ClassAggregateLiteral extends AggregateLiteral {
   Expr getFieldExpr(Field field, int position) {
     field = classType.getAField() and
     aggregate_field_init(underlyingElement(this), unresolveElement(result), unresolveElement(field),
-      position)
+      position, _)
+  }
+
+  /**
+   * Holds if the `position`-th initialization of `field` in this aggregate initializer
+   * uses a designator (e.g., `.x =`, `[42] =`) rather than a positional initializer.
+   *
+   * This can be used to distinguish explicitly designated initializations from
+   * implicit positional ones.
+   *
+   * For example, in the initializer:
+   * ```c
+   * struct S { int x, y; };
+   * struct S s = { .x = 1, 2 };
+   * ```
+   * - `.x = 1` is a designator init, therefore `isDesignatorInit(x, 0)` holds.
+   * - `2` is a positional init for `.y`, therefore `isDesignatorInit(y, 1)` does **not** hold.
+   */
+  predicate isDesignatorInit(Field field, int position) {
+    field = classType.getAField() and
+    aggregate_field_init(underlyingElement(this), _, unresolveElement(field), position, true)
   }
 
   /**
@@ -304,7 +324,24 @@ class ArrayOrVectorAggregateLiteral extends AggregateLiteral {
    * - `a.getElementExpr(0, 2)` gives `789`.
    */
   Expr getElementExpr(int elementIndex, int position) {
-    aggregate_array_init(underlyingElement(this), unresolveElement(result), elementIndex, position)
+    aggregate_array_init(underlyingElement(this), unresolveElement(result), elementIndex, position,
+      _)
+  }
+
+  /**
+   * Holds if the `position`-th initialization of the array element at `elementIndex`
+   * in this aggregate initializer uses a designator (e.g., `[0] = ...`) rather than
+   * an implicit positional initializer.
+   *
+   * For example, in:
+   * ```c
+   * int x[] = { [0] = 1, 2 };
+   * ```
+   * - `[0] = 1` is a designator init, therefore `isDesignatorInit(0, 0)` holds.
+   * - `2` is a positional init for `x[1]`, therefore `isDesignatorInit(1, 1)` does **not** hold.
+   */
+  predicate isDesignatorInit(int elementIndex, int position) {
+    aggregate_array_init(underlyingElement(this), _, elementIndex, position, true)
   }
 
   /**
diff --git a/cpp/ql/lib/semmlecode.cpp.dbscheme b/cpp/ql/lib/semmlecode.cpp.dbscheme
index 0f0a390468a5..2e2d805ef93d 100644
--- a/cpp/ql/lib/semmlecode.cpp.dbscheme
+++ b/cpp/ql/lib/semmlecode.cpp.dbscheme
@@ -2039,7 +2039,8 @@ aggregate_field_init(
     int aggregate: @aggregateliteral ref,
     int initializer: @expr ref,
     int field: @membervariable ref,
-    int position: int ref
+    int position: int ref,
+    boolean is_designated: boolean ref
 );
 
 /**
@@ -2051,7 +2052,8 @@ aggregate_array_init(
     int aggregate: @aggregateliteral ref,
     int initializer: @expr ref,
     int element_index: int ref,
-    int position: int ref
+    int position: int ref,
+    boolean is_designated: boolean ref
 );
 
 @ctorinit = @ctordirectinit

From d8afd2a786e4b73ef3ce5344cf51fe2d87ee20e0 Mon Sep 17 00:00:00 2001
From: idrissrio <idrissrio@github.com>
Date: Wed, 16 Apr 2025 16:23:32 +0200
Subject: [PATCH 2/5] C++: add change note for designator-based initializations

---
 cpp/ql/lib/change-notes/2025-04-15-field-array-designator.md | 4 ++++
 1 file changed, 4 insertions(+)
 create mode 100644 cpp/ql/lib/change-notes/2025-04-15-field-array-designator.md

diff --git a/cpp/ql/lib/change-notes/2025-04-15-field-array-designator.md b/cpp/ql/lib/change-notes/2025-04-15-field-array-designator.md
new file mode 100644
index 000000000000..8b4911abd44d
--- /dev/null
+++ b/cpp/ql/lib/change-notes/2025-04-15-field-array-designator.md
@@ -0,0 +1,4 @@
+---
+category: feature
+---
+* Introduced `isDesignatorInit()` predicates to distinguish between designator-based and positional initializations for both struct/union fields and array elements.
\ No newline at end of file

From 36a425715cefa967855257d169d4cb17d6a01e83 Mon Sep 17 00:00:00 2001
From: idrissrio <idrissrio@github.com>
Date: Wed, 16 Apr 2025 16:23:55 +0200
Subject: [PATCH 3/5] C++: add upgrade and downgrade scripts

---
 .../aggregate_array_init.ql                   |   11 +
 .../aggregate_field_init.ql                   |   15 +
 .../old.dbscheme                              | 2448 +++++++++++++++++
 .../semmlecode.cpp.dbscheme                   | 2446 ++++++++++++++++
 .../upgrade.properties                        |    4 +
 .../aggregate_array_init.ql                   |   11 +
 .../aggregate_field_init.ql                   |   15 +
 .../old.dbscheme                              | 2446 ++++++++++++++++
 .../semmlecode.cpp.dbscheme                   | 2448 +++++++++++++++++
 .../upgrade.properties                        |    4 +
 10 files changed, 9848 insertions(+)
 create mode 100644 cpp/downgrades/2e2d805ef93d060b813403cb9b51dc72455a4c68/aggregate_array_init.ql
 create mode 100644 cpp/downgrades/2e2d805ef93d060b813403cb9b51dc72455a4c68/aggregate_field_init.ql
 create mode 100644 cpp/downgrades/2e2d805ef93d060b813403cb9b51dc72455a4c68/old.dbscheme
 create mode 100644 cpp/downgrades/2e2d805ef93d060b813403cb9b51dc72455a4c68/semmlecode.cpp.dbscheme
 create mode 100644 cpp/downgrades/2e2d805ef93d060b813403cb9b51dc72455a4c68/upgrade.properties
 create mode 100644 cpp/ql/lib/upgrades/0f0a390468a5eb43d1dc72937c028070b106bf53/aggregate_array_init.ql
 create mode 100644 cpp/ql/lib/upgrades/0f0a390468a5eb43d1dc72937c028070b106bf53/aggregate_field_init.ql
 create mode 100644 cpp/ql/lib/upgrades/0f0a390468a5eb43d1dc72937c028070b106bf53/old.dbscheme
 create mode 100644 cpp/ql/lib/upgrades/0f0a390468a5eb43d1dc72937c028070b106bf53/semmlecode.cpp.dbscheme
 create mode 100644 cpp/ql/lib/upgrades/0f0a390468a5eb43d1dc72937c028070b106bf53/upgrade.properties

diff --git a/cpp/downgrades/2e2d805ef93d060b813403cb9b51dc72455a4c68/aggregate_array_init.ql b/cpp/downgrades/2e2d805ef93d060b813403cb9b51dc72455a4c68/aggregate_array_init.ql
new file mode 100644
index 000000000000..acf38e449509
--- /dev/null
+++ b/cpp/downgrades/2e2d805ef93d060b813403cb9b51dc72455a4c68/aggregate_array_init.ql
@@ -0,0 +1,11 @@
+class Expr extends @expr {
+  string toString() { none() }
+}
+
+class AggregateLiteral extends Expr, @aggregateliteral {
+  override string toString() { none() }
+}
+
+from AggregateLiteral aggregate, Expr initializer, int element_index, int position
+where aggregate_array_init(aggregate, initializer, element_index, position, _)
+select aggregate, initializer, element_index, position
diff --git a/cpp/downgrades/2e2d805ef93d060b813403cb9b51dc72455a4c68/aggregate_field_init.ql b/cpp/downgrades/2e2d805ef93d060b813403cb9b51dc72455a4c68/aggregate_field_init.ql
new file mode 100644
index 000000000000..47503cbfd17a
--- /dev/null
+++ b/cpp/downgrades/2e2d805ef93d060b813403cb9b51dc72455a4c68/aggregate_field_init.ql
@@ -0,0 +1,15 @@
+class Expr extends @expr {
+  string toString() { none() }
+}
+
+class AggregateLiteral extends Expr, @aggregateliteral {
+  override string toString() { none() }
+}
+
+class MemberVariable extends @membervariable {
+  string toString() { none() }
+}
+
+from AggregateLiteral aggregate, Expr initializer, MemberVariable field, int position
+where aggregate_field_init(aggregate, initializer, field, position, _)
+select aggregate, initializer, field, position
diff --git a/cpp/downgrades/2e2d805ef93d060b813403cb9b51dc72455a4c68/old.dbscheme b/cpp/downgrades/2e2d805ef93d060b813403cb9b51dc72455a4c68/old.dbscheme
new file mode 100644
index 000000000000..2e2d805ef93d
--- /dev/null
+++ b/cpp/downgrades/2e2d805ef93d060b813403cb9b51dc72455a4c68/old.dbscheme
@@ -0,0 +1,2448 @@
+
+/**
+ * An invocation of the compiler. Note that more than one file may be
+ * compiled per invocation. For example, this command compiles three
+ * source files:
+ *
+ *   gcc -c f1.c f2.c f3.c
+ *
+ * The `id` simply identifies the invocation, while `cwd` is the working
+ * directory from which the compiler was invoked.
+ */
+compilations(
+    /**
+     * An invocation of the compiler. Note that more than one file may
+     * be compiled per invocation. For example, this command compiles
+     * three source files:
+     *
+     *   gcc -c f1.c f2.c f3.c
+     */
+    unique int id : @compilation,
+    string cwd : string ref
+);
+
+/**
+ * The arguments that were passed to the extractor for a compiler
+ * invocation. If `id` is for the compiler invocation
+ *
+ *   gcc -c f1.c f2.c f3.c
+ *
+ * then typically there will be rows for
+ *
+ * num | arg
+ * --- | ---
+ * 0   | *path to extractor*
+ * 1   | `--mimic`
+ * 2   | `/usr/bin/gcc`
+ * 3   | `-c`
+ * 4   | f1.c
+ * 5   | f2.c
+ * 6   | f3.c
+ */
+#keyset[id, num]
+compilation_args(
+    int id : @compilation ref,
+    int num : int ref,
+    string arg : string ref
+);
+
+/**
+ * Optionally, record the build mode for each compilation.
+ */
+compilation_build_mode(
+    unique int id : @compilation ref,
+    int mode : int ref
+);
+
+/*
+case @compilation_build_mode.mode of
+  0 = @build_mode_none
+| 1 = @build_mode_manual
+| 2 = @build_mode_auto
+;
+*/
+
+/**
+ * The source files that are compiled by a compiler invocation.
+ * If `id` is for the compiler invocation
+ *
+ *   gcc -c f1.c f2.c f3.c
+ *
+ * then there will be rows for
+ *
+ * num | arg
+ * --- | ---
+ * 0   | f1.c
+ * 1   | f2.c
+ * 2   | f3.c
+ *
+ * Note that even if those files `#include` headers, those headers
+ * do not appear as rows.
+ */
+#keyset[id, num]
+compilation_compiling_files(
+    int id : @compilation ref,
+    int num : int ref,
+    int file : @file ref
+);
+
+/**
+ * The time taken by the extractor for a compiler invocation.
+ *
+ * For each file `num`, there will be rows for
+ *
+ * kind | seconds
+ * ---- | ---
+ * 1    | CPU seconds used by the extractor frontend
+ * 2    | Elapsed seconds during the extractor frontend
+ * 3    | CPU seconds used by the extractor backend
+ * 4    | Elapsed seconds during the extractor backend
+ */
+#keyset[id, num, kind]
+compilation_time(
+    int id : @compilation ref,
+    int num : int ref,
+    /* kind:
+       1 = frontend_cpu_seconds
+       2 = frontend_elapsed_seconds
+       3 = extractor_cpu_seconds
+       4 = extractor_elapsed_seconds
+    */
+    int kind : int ref,
+    float seconds : float ref
+);
+
+/**
+ * An error or warning generated by the extractor.
+ * The diagnostic message `diagnostic` was generated during compiler
+ * invocation `compilation`, and is the `file_number_diagnostic_number`th
+ * message generated while extracting the `file_number`th file of that
+ * invocation.
+ */
+#keyset[compilation, file_number, file_number_diagnostic_number]
+diagnostic_for(
+    int diagnostic : @diagnostic ref,
+    int compilation : @compilation ref,
+    int file_number : int ref,
+    int file_number_diagnostic_number : int ref
+);
+
+/**
+ * If extraction was successful, then `cpu_seconds` and
+ * `elapsed_seconds` are the CPU time and elapsed time (respectively)
+ * that extraction took for compiler invocation `id`.
+ */
+compilation_finished(
+    unique int id : @compilation ref,
+    float cpu_seconds : float ref,
+    float elapsed_seconds : float ref
+);
+
+
+/**
+ * External data, loaded from CSV files during snapshot creation. See
+ * [Tutorial: Incorporating external data](https://help.semmle.com/wiki/display/SD/Tutorial%3A+Incorporating+external+data)
+ * for more information.
+ */
+externalData(
+    int id : @externalDataElement,
+    string path : string ref,
+    int column: int ref,
+    string value : string ref
+);
+
+/**
+ * The source location of the snapshot.
+ */
+sourceLocationPrefix(string prefix : string ref);
+
+/**
+ * Information about packages that provide code used during compilation.
+ * The `id` is just a unique identifier.
+ * The `namespace` is typically the name of the package manager that
+ * provided the package (e.g. "dpkg" or "yum").
+ * The `package_name` is the name of the package, and `version` is its
+ * version (as a string).
+ */
+external_packages(
+    unique int id: @external_package,
+    string namespace : string ref,
+    string package_name : string ref,
+    string version : string ref
+);
+
+/**
+ * Holds if File `fileid` was provided by package `package`.
+ */
+header_to_external_package(
+    int fileid : @file ref,
+    int package : @external_package ref
+);
+
+/*
+ * Version history
+ */
+
+svnentries(
+    unique int id : @svnentry,
+    string revision : string ref,
+    string author : string ref,
+    date revisionDate : date ref,
+    int changeSize : int ref
+)
+
+svnaffectedfiles(
+    int id : @svnentry ref,
+    int file : @file ref,
+    string action : string ref
+)
+
+svnentrymsg(
+    unique int id : @svnentry ref,
+    string message : string ref
+)
+
+svnchurn(
+    int commit : @svnentry ref,
+    int file : @file ref,
+    int addedLines : int ref,
+    int deletedLines : int ref
+)
+
+/*
+ * C++ dbscheme
+ */
+
+extractor_version(
+    string codeql_version: string ref,
+    string frontend_version: string ref
+)
+
+@location = @location_stmt | @location_expr | @location_default ;
+
+/**
+ * The location of an element that is not an expression or a statement.
+ * The location spans column `startcolumn` of line `startline` to
+ * column `endcolumn` of line `endline` in file `file`.
+ * For more information, see
+ * [Locations](https://codeql.github.com/docs/writing-codeql-queries/providing-locations-in-codeql-queries/).
+ */
+locations_default(
+    /** The location of an element that is not an expression or a statement. */
+    unique int id: @location_default,
+    int container: @container ref,
+    int startLine: int ref,
+    int startColumn: int ref,
+    int endLine: int ref,
+    int endColumn: int ref
+);
+
+/**
+ * The location of a statement.
+ * The location spans column `startcolumn` of line `startline` to
+ * column `endcolumn` of line `endline` in file `file`.
+ * For more information, see
+ * [Locations](https://codeql.github.com/docs/writing-codeql-queries/providing-locations-in-codeql-queries/).
+ */
+locations_stmt(
+    /** The location of a statement. */
+    unique int id: @location_stmt,
+    int container: @container ref,
+    int startLine: int ref,
+    int startColumn: int ref,
+    int endLine: int ref,
+    int endColumn: int ref
+);
+
+/**
+ * The location of an expression.
+ * The location spans column `startcolumn` of line `startline` to
+ * column `endcolumn` of line `endline` in file `file`.
+ * For more information, see
+ * [Locations](https://codeql.github.com/docs/writing-codeql-queries/providing-locations-in-codeql-queries/).
+ */
+locations_expr(
+    /** The location of an expression. */
+    unique int id: @location_expr,
+    int container: @container ref,
+    int startLine: int ref,
+    int startColumn: int ref,
+    int endLine: int ref,
+    int endColumn: int ref
+);
+
+/** An element for which line-count information is available. */
+@sourceline = @file | @function | @variable | @enumconstant | @xmllocatable;
+
+numlines(
+    int element_id: @sourceline ref,
+    int num_lines: int ref,
+    int num_code: int ref,
+    int num_comment: int ref
+);
+
+diagnostics(
+    unique int id: @diagnostic,
+    int severity: int ref,
+    string error_tag: string ref,
+    string error_message: string ref,
+    string full_error_message: string ref,
+    int location: @location_default ref
+);
+
+files(
+    unique int id: @file,
+    string name: string ref
+);
+
+folders(
+    unique int id: @folder,
+    string name: string ref
+);
+
+@container = @folder | @file
+
+containerparent(
+    int parent: @container ref,
+    unique int child: @container ref
+);
+
+fileannotations(
+    int id: @file ref,
+    int kind: int ref,
+    string name: string ref,
+    string value: string ref
+);
+
+inmacroexpansion(
+    int id: @element ref,
+    int inv: @macroinvocation ref
+);
+
+affectedbymacroexpansion(
+    int id: @element ref,
+    int inv: @macroinvocation ref
+);
+
+case @macroinvocation.kind of
+  1 = @macro_expansion
+| 2 = @other_macro_reference
+;
+
+macroinvocations(
+    unique int id: @macroinvocation,
+    int macro_id: @ppd_define ref,
+    int location: @location_default ref,
+    int kind: int ref
+);
+
+macroparent(
+    unique int id: @macroinvocation ref,
+    int parent_id: @macroinvocation ref
+);
+
+// a macroinvocation may be part of another location
+// the way to find a constant expression that uses a macro
+// is thus to find a constant expression that has a location
+// to which a macro invocation is bound
+macrolocationbind(
+    int id: @macroinvocation ref,
+    int location: @location ref
+);
+
+#keyset[invocation, argument_index]
+macro_argument_unexpanded(
+    int invocation: @macroinvocation ref,
+    int argument_index: int ref,
+    string text: string ref
+);
+
+#keyset[invocation, argument_index]
+macro_argument_expanded(
+    int invocation: @macroinvocation ref,
+    int argument_index: int ref,
+    string text: string ref
+);
+
+/*
+case @function.kind of
+  1 = @normal_function
+| 2 = @constructor
+| 3 = @destructor
+| 4 = @conversion_function
+| 5 = @operator
+| 6 = @builtin_function     // GCC built-in functions, e.g. __builtin___memcpy_chk
+| 7 = @user_defined_literal
+| 8 = @deduction_guide
+;
+*/
+
+functions(
+    unique int id: @function,
+    string name: string ref,
+    int kind: int ref
+);
+
+function_entry_point(
+    int id: @function ref,
+    unique int entry_point: @stmt ref
+);
+
+function_return_type(
+    int id: @function ref,
+    int return_type: @type ref
+);
+
+/**
+ * If `function` is a coroutine, then this gives the `std::experimental::resumable_traits`
+ * instance associated with it, and the variables representing the `handle` and `promise`
+ * for it.
+ */
+coroutine(
+  unique int function: @function ref,
+  int traits: @type ref
+);
+
+/*
+case @coroutine_placeholder_variable.kind of
+  1 = @handle
+| 2 = @promise
+| 3 = @init_await_resume
+;
+*/
+
+coroutine_placeholder_variable(
+  unique int placeholder_variable: @variable ref,
+  int kind: int ref,
+  int function: @function ref
+)
+
+/** The `new` function used for allocating the coroutine state, if any. */
+coroutine_new(
+  unique int function: @function ref,
+  int new: @function ref
+);
+
+/** The `delete` function used for deallocating the coroutine state, if any. */
+coroutine_delete(
+  unique int function: @function ref,
+  int delete: @function ref
+);
+
+purefunctions(unique int id: @function ref);
+
+function_deleted(unique int id: @function ref);
+
+function_defaulted(unique int id: @function ref);
+
+function_prototyped(unique int id: @function ref)
+
+deduction_guide_for_class(
+    int id: @function ref,
+    int class_template: @usertype ref
+)
+
+member_function_this_type(
+    unique int id: @function ref,
+    int this_type: @type ref
+);
+
+#keyset[id, type_id]
+fun_decls(
+    int id: @fun_decl,
+    int function: @function ref,
+    int type_id: @type ref,
+    string name: string ref,
+    int location: @location_default ref
+);
+fun_def(unique int id: @fun_decl ref);
+fun_specialized(unique int id: @fun_decl ref);
+fun_implicit(unique int id: @fun_decl ref);
+fun_decl_specifiers(
+    int id: @fun_decl ref,
+    string name: string ref
+)
+#keyset[fun_decl, index]
+fun_decl_throws(
+    int fun_decl: @fun_decl ref,
+    int index: int ref,
+    int type_id: @type ref
+);
+/* an empty throw specification is different from none */
+fun_decl_empty_throws(unique int fun_decl: @fun_decl ref);
+fun_decl_noexcept(
+    int fun_decl: @fun_decl ref,
+    int constant: @expr ref
+);
+fun_decl_empty_noexcept(int fun_decl: @fun_decl ref);
+fun_decl_typedef_type(
+    unique int fun_decl: @fun_decl ref,
+    int typedeftype_id: @usertype ref
+);
+
+/*
+case @fun_requires.kind of
+  1 = @template_attached
+| 2 = @function_attached
+;
+*/
+
+fun_requires(
+    int id: @fun_decl ref,
+    int kind: int ref,
+    int constraint: @expr ref
+);
+
+param_decl_bind(
+    unique int id: @var_decl ref,
+    int index: int ref,
+    int fun_decl: @fun_decl ref
+);
+
+#keyset[id, type_id]
+var_decls(
+    int id: @var_decl,
+    int variable: @variable ref,
+    int type_id: @type ref,
+    string name: string ref,
+    int location: @location_default ref
+);
+var_def(unique int id: @var_decl ref);
+var_specialized(int id: @var_decl ref);
+var_decl_specifiers(
+    int id: @var_decl ref,
+    string name: string ref
+)
+is_structured_binding(unique int id: @variable ref);
+var_requires(
+    int id: @var_decl ref,
+    int constraint: @expr ref
+);
+
+type_decls(
+    unique int id: @type_decl,
+    int type_id: @type ref,
+    int location: @location_default ref
+);
+type_def(unique int id: @type_decl ref);
+type_decl_top(
+    unique int type_decl: @type_decl ref
+);
+type_requires(
+    int id: @type_decl ref,
+    int constraint: @expr ref
+);
+
+namespace_decls(
+    unique int id: @namespace_decl,
+    int namespace_id: @namespace ref,
+    int location: @location_default ref,
+    int bodylocation: @location_default ref
+);
+
+case @using.kind of
+  1 = @using_declaration
+| 2 = @using_directive
+| 3 = @using_enum_declaration
+;
+
+usings(
+    unique int id: @using,
+    int element_id: @element ref,
+    int location: @location_default ref,
+    int kind: int ref
+);
+
+/** The element which contains the `using` declaration. */
+using_container(
+    int parent: @element ref,
+    int child: @using ref
+);
+
+static_asserts(
+    unique int id: @static_assert,
+    int condition : @expr ref,
+    string message : string ref,
+    int location: @location_default ref,
+    int enclosing : @element ref
+);
+
+// each function has an ordered list of parameters
+#keyset[id, type_id]
+#keyset[function, index, type_id]
+params(
+    int id: @parameter,
+    int function: @parameterized_element ref,
+    int index: int ref,
+    int type_id: @type ref
+);
+
+overrides(
+    int new: @function ref,
+    int old: @function ref
+);
+
+#keyset[id, type_id]
+membervariables(
+    int id: @membervariable,
+    int type_id: @type ref,
+    string name: string ref
+);
+
+#keyset[id, type_id]
+globalvariables(
+    int id: @globalvariable,
+    int type_id: @type ref,
+    string name: string ref
+);
+
+#keyset[id, type_id]
+localvariables(
+    int id: @localvariable,
+    int type_id: @type ref,
+    string name: string ref
+);
+
+autoderivation(
+    unique int var: @variable ref,
+    int derivation_type: @type ref
+);
+
+orphaned_variables(
+    int var: @localvariable ref,
+    int function: @function ref
+)
+
+enumconstants(
+    unique int id: @enumconstant,
+    int parent: @usertype ref,
+    int index: int ref,
+    int type_id: @type ref,
+    string name: string ref,
+    int location: @location_default ref
+);
+
+@variable = @localscopevariable | @globalvariable | @membervariable;
+
+@localscopevariable = @localvariable | @parameter;
+
+/**
+ * Built-in types are the fundamental types, e.g., integral, floating, and void.
+ */
+case @builtintype.kind of
+   1 = @errortype
+|  2 = @unknowntype
+|  3 = @void
+|  4 = @boolean
+|  5 = @char
+|  6 = @unsigned_char
+|  7 = @signed_char
+|  8 = @short
+|  9 = @unsigned_short
+| 10 = @signed_short
+| 11 = @int
+| 12 = @unsigned_int
+| 13 = @signed_int
+| 14 = @long
+| 15 = @unsigned_long
+| 16 = @signed_long
+| 17 = @long_long
+| 18 = @unsigned_long_long
+| 19 = @signed_long_long
+// ... 20 Microsoft-specific __int8
+// ... 21 Microsoft-specific __int16
+// ... 22 Microsoft-specific __int32
+// ... 23 Microsoft-specific __int64
+| 24 = @float
+| 25 = @double
+| 26 = @long_double
+| 27 = @complex_float         // C99-specific _Complex float
+| 28 = @complex_double        // C99-specific _Complex double
+| 29 = @complex_long_double   // C99-specific _Complex long double
+| 30 = @imaginary_float       // C99-specific _Imaginary float
+| 31 = @imaginary_double      // C99-specific _Imaginary double
+| 32 = @imaginary_long_double // C99-specific _Imaginary long double
+| 33 = @wchar_t               // Microsoft-specific
+| 34 = @decltype_nullptr      // C++11
+| 35 = @int128                // __int128
+| 36 = @unsigned_int128       // unsigned __int128
+| 37 = @signed_int128         // signed __int128
+| 38 = @float128              // __float128
+| 39 = @complex_float128      // _Complex __float128
+| 40 = @decimal32             // _Decimal32
+| 41 = @decimal64             // _Decimal64
+| 42 = @decimal128            // _Decimal128
+| 43 = @char16_t
+| 44 = @char32_t
+| 45 = @std_float32           // _Float32
+| 46 = @float32x              // _Float32x
+| 47 = @std_float64           // _Float64
+| 48 = @float64x              // _Float64x
+| 49 = @std_float128          // _Float128
+// ... 50 _Float128x
+| 51 = @char8_t
+| 52 = @float16               // _Float16
+| 53 = @complex_float16       // _Complex _Float16
+| 54 = @fp16                  // __fp16
+| 55 = @std_bfloat16          // __bf16
+| 56 = @std_float16           // std::float16_t
+| 57 = @complex_std_float32   // _Complex _Float32
+| 58 = @complex_float32x      // _Complex _Float32x
+| 59 = @complex_std_float64   // _Complex _Float64
+| 60 = @complex_float64x      // _Complex _Float64x
+| 61 = @complex_std_float128  // _Complex _Float128
+;
+
+builtintypes(
+    unique int id: @builtintype,
+    string name: string ref,
+    int kind: int ref,
+    int size: int ref,
+    int sign: int ref,
+    int alignment: int ref
+);
+
+/**
+ * Derived types are types that are directly derived from existing types and
+ * point to, refer to, transform type data to return a new type.
+ */
+case @derivedtype.kind of
+   1 = @pointer
+|  2 = @reference
+|  3 = @type_with_specifiers
+|  4 = @array
+|  5 = @gnu_vector
+|  6 = @routineptr
+|  7 = @routinereference
+|  8 = @rvalue_reference // C++11
+// ... 9 type_conforming_to_protocols deprecated
+| 10 = @block
+;
+
+derivedtypes(
+    unique int id: @derivedtype,
+    string name: string ref,
+    int kind: int ref,
+    int type_id: @type ref
+);
+
+pointerishsize(unique int id: @derivedtype ref,
+    int size: int ref,
+    int alignment: int ref);
+
+arraysizes(
+    unique int id: @derivedtype ref,
+    int num_elements: int ref,
+    int bytesize: int ref,
+    int alignment: int ref
+);
+
+typedefbase(
+    unique int id: @usertype ref,
+    int type_id: @type ref
+);
+
+/**
+ * An instance of the C++11 `decltype` operator.  For example:
+ * ```
+ * int a;
+ * decltype(1+a) b;
+ * ```
+ * Here `expr` is `1+a`.
+ *
+ * Sometimes an additional pair of parentheses around the expression
+ * would change the semantics of this decltype, e.g.
+ * ```
+ * struct A { double x; };
+ * const A* a = new A();
+ * decltype( a->x ); // type is double
+ * decltype((a->x)); // type is const double&
+ * ```
+ * (Please consult the C++11 standard for more details).
+ * `parentheses_would_change_meaning` is `true` iff that is the case.
+ */
+#keyset[id, expr]
+decltypes(
+    int id: @decltype,
+    int expr: @expr ref,
+    int base_type: @type ref,
+    boolean parentheses_would_change_meaning: boolean ref
+);
+
+/*
+case @usertype.kind of
+|  0 = @unknown_usertype
+|  1 = @struct
+|  2 = @class
+|  3 = @union
+|  4 = @enum
+// ... 5 = @typedef deprecated        // classic C: typedef typedef type name
+// ... 6 = @template deprecated
+|  7 = @template_parameter
+|  8 = @template_template_parameter
+|  9 = @proxy_class                   // a proxy class associated with a template parameter
+// ... 10 objc_class deprecated
+// ... 11 objc_protocol deprecated
+// ... 12 objc_category deprecated
+| 13 = @scoped_enum
+// ... 14 = @using_alias deprecated   // a using name = type style typedef
+| 15 = @template_struct
+| 16 = @template_class
+| 17 = @template_union
+| 18 = @alias
+;
+*/
+
+usertypes(
+    unique int id: @usertype,
+    string name: string ref,
+    int kind: int ref
+);
+
+usertypesize(
+    unique int id: @usertype ref,
+    int size: int ref,
+    int alignment: int ref
+);
+
+usertype_final(unique int id: @usertype ref);
+
+usertype_uuid(
+    unique int id: @usertype ref,
+    string uuid: string ref
+);
+
+/*
+case @usertype.alias_kind of
+| 0 = @typedef
+| 1 = @alias
+*/
+
+usertype_alias_kind(
+    int id: @usertype ref,
+    int alias_kind: int ref
+)
+
+nontype_template_parameters(
+    int id: @expr ref
+);
+
+type_template_type_constraint(
+    int id: @usertype ref,
+    int constraint: @expr ref
+);
+
+mangled_name(
+    unique int id: @declaration ref,
+    int mangled_name : @mangledname,
+    boolean is_complete: boolean ref
+);
+
+is_pod_class(unique int id: @usertype ref);
+is_standard_layout_class(unique int id: @usertype ref);
+
+is_complete(unique int id: @usertype ref);
+
+is_class_template(unique int id: @usertype ref);
+class_instantiation(
+    int to: @usertype ref,
+    int from: @usertype ref
+);
+class_template_argument(
+    int type_id: @usertype ref,
+    int index: int ref,
+    int arg_type: @type ref
+);
+class_template_argument_value(
+    int type_id: @usertype ref,
+    int index: int ref,
+    int arg_value: @expr ref
+);
+
+@user_or_decltype = @usertype | @decltype;
+
+is_proxy_class_for(
+    unique int id: @usertype ref,
+    int templ_param_id: @user_or_decltype ref
+);
+
+type_mentions(
+    unique int id: @type_mention,
+    int type_id: @type ref,
+    int location: @location ref,
+    // a_symbol_reference_kind from the frontend.
+    int kind: int ref
+);
+
+is_function_template(unique int id: @function ref);
+function_instantiation(
+    unique int to: @function ref,
+    int from: @function ref
+);
+function_template_argument(
+    int function_id: @function ref,
+    int index: int ref,
+    int arg_type: @type ref
+);
+function_template_argument_value(
+    int function_id: @function ref,
+    int index: int ref,
+    int arg_value: @expr ref
+);
+
+is_variable_template(unique int id: @variable ref);
+variable_instantiation(
+    unique int to: @variable ref,
+    int from: @variable ref
+);
+variable_template_argument(
+    int variable_id: @variable ref,
+    int index: int ref,
+    int arg_type: @type ref
+);
+variable_template_argument_value(
+    int variable_id: @variable ref,
+    int index: int ref,
+    int arg_value: @expr ref
+);
+
+template_template_instantiation(
+    int to: @usertype ref,
+    int from: @usertype ref
+);
+template_template_argument(
+    int type_id: @usertype ref,
+    int index: int ref,
+    int arg_type: @type ref
+);
+template_template_argument_value(
+    int type_id: @usertype ref,
+    int index: int ref,
+    int arg_value: @expr ref
+);
+
+@concept = @concept_template | @concept_id;
+
+concept_templates(
+    unique int concept_id: @concept_template,
+    string name: string ref,
+    int location: @location_default ref
+);
+concept_instantiation(
+    unique int to: @concept_id ref,
+    int from: @concept_template ref
+);
+is_type_constraint(int concept_id: @concept_id ref);
+concept_template_argument(
+    int concept_id: @concept ref,
+    int index: int ref,
+    int arg_type: @type ref
+);
+concept_template_argument_value(
+    int concept_id: @concept ref,
+    int index: int ref,
+    int arg_value: @expr ref
+);
+
+routinetypes(
+    unique int id: @routinetype,
+    int return_type: @type ref
+);
+
+routinetypeargs(
+    int routine: @routinetype ref,
+    int index: int ref,
+    int type_id: @type ref
+);
+
+ptrtomembers(
+    unique int id: @ptrtomember,
+    int type_id: @type ref,
+    int class_id: @type ref
+);
+
+/*
+ specifiers for types, functions, and variables
+
+    "public",
+    "protected",
+    "private",
+
+    "const",
+    "volatile",
+    "static",
+
+    "pure",
+    "virtual",
+    "sealed", // Microsoft
+    "__interface", // Microsoft
+    "inline",
+    "explicit",
+
+    "near", // near far extension
+    "far", // near far extension
+    "__ptr32", // Microsoft
+    "__ptr64", // Microsoft
+    "__sptr", // Microsoft
+    "__uptr", // Microsoft
+    "dllimport", // Microsoft
+    "dllexport", // Microsoft
+    "thread", // Microsoft
+    "naked", // Microsoft
+    "microsoft_inline", // Microsoft
+    "forceinline", // Microsoft
+    "selectany", // Microsoft
+    "nothrow", // Microsoft
+    "novtable", // Microsoft
+    "noreturn", // Microsoft
+    "noinline", // Microsoft
+    "noalias", // Microsoft
+    "restrict", // Microsoft
+*/
+
+specifiers(
+    unique int id: @specifier,
+    unique string str: string ref
+);
+
+typespecifiers(
+    int type_id: @type ref,
+    int spec_id: @specifier ref
+);
+
+funspecifiers(
+    int func_id: @function ref,
+    int spec_id: @specifier ref
+);
+
+varspecifiers(
+    int var_id: @accessible ref,
+    int spec_id: @specifier ref
+);
+
+explicit_specifier_exprs(
+    unique int func_id: @function ref,
+    int constant: @expr ref
+)
+
+attributes(
+    unique int id: @attribute,
+    int kind: int ref,
+    string name: string ref,
+    string name_space: string ref,
+    int location: @location_default ref
+);
+
+case @attribute.kind of
+  0 = @gnuattribute
+| 1 = @stdattribute
+| 2 = @declspec
+| 3 = @msattribute
+| 4 = @alignas
+// ... 5 @objc_propertyattribute deprecated
+;
+
+attribute_args(
+    unique int id: @attribute_arg,
+    int kind: int ref,
+    int attribute: @attribute ref,
+    int index: int ref,
+    int location: @location_default ref
+);
+
+case @attribute_arg.kind of
+  0 = @attribute_arg_empty
+| 1 = @attribute_arg_token
+| 2 = @attribute_arg_constant
+| 3 = @attribute_arg_type
+| 4 = @attribute_arg_constant_expr
+| 5 = @attribute_arg_expr
+;
+
+attribute_arg_value(
+    unique int arg: @attribute_arg ref,
+    string value: string ref
+);
+attribute_arg_type(
+    unique int arg: @attribute_arg ref,
+    int type_id: @type ref
+);
+attribute_arg_constant(
+    unique int arg: @attribute_arg ref,
+    int constant: @expr ref
+)
+attribute_arg_expr(
+    unique int arg: @attribute_arg ref,
+    int expr: @expr ref
+)
+attribute_arg_name(
+    unique int arg: @attribute_arg ref,
+    string name: string ref
+);
+
+typeattributes(
+    int type_id: @type ref,
+    int spec_id: @attribute ref
+);
+
+funcattributes(
+    int func_id: @function ref,
+    int spec_id: @attribute ref
+);
+
+varattributes(
+    int var_id: @accessible ref,
+    int spec_id: @attribute ref
+);
+
+stmtattributes(
+    int stmt_id: @stmt ref,
+    int spec_id: @attribute ref
+);
+
+@type = @builtintype
+      | @derivedtype
+      | @usertype
+      /* TODO | @fixedpointtype */
+      | @routinetype
+      | @ptrtomember
+      | @decltype;
+
+unspecifiedtype(
+    unique int type_id: @type ref,
+    int unspecified_type_id: @type ref
+);
+
+member(
+    int parent: @type ref,
+    int index: int ref,
+    int child: @member ref
+);
+
+@enclosingfunction_child = @usertype | @variable | @namespace
+
+enclosingfunction(
+    unique int child: @enclosingfunction_child ref,
+    int parent: @function ref
+);
+
+derivations(
+    unique int derivation: @derivation,
+    int sub: @type ref,
+    int index: int ref,
+    int super: @type ref,
+    int location: @location_default ref
+);
+
+derspecifiers(
+    int der_id: @derivation ref,
+    int spec_id: @specifier ref
+);
+
+/**
+ * Contains the byte offset of the base class subobject within the derived
+ * class. Only holds for non-virtual base classes, but see table
+ * `virtual_base_offsets` for offsets of virtual base class subobjects.
+ */
+direct_base_offsets(
+    unique int der_id: @derivation ref,
+    int offset: int ref
+);
+
+/**
+ * Contains the byte offset of the virtual base class subobject for class
+ * `super` within a most-derived object of class `sub`. `super` can be either a
+ * direct or indirect base class.
+ */
+#keyset[sub, super]
+virtual_base_offsets(
+    int sub: @usertype ref,
+    int super: @usertype ref,
+    int offset: int ref
+);
+
+frienddecls(
+    unique int id: @frienddecl,
+    int type_id: @type ref,
+    int decl_id: @declaration ref,
+    int location: @location_default ref
+);
+
+@declaredtype = @usertype ;
+
+@declaration = @function
+             | @declaredtype
+             | @variable
+             | @enumconstant
+             | @frienddecl
+             | @concept_template;
+
+@member = @membervariable
+        | @function
+        | @declaredtype
+        | @enumconstant;
+
+@locatable = @diagnostic
+           | @declaration
+           | @ppd_include
+           | @ppd_define
+           | @macroinvocation
+           /*| @funcall*/
+           | @xmllocatable
+           | @attribute
+           | @attribute_arg;
+
+@namedscope = @namespace | @usertype;
+
+@element = @locatable
+         | @file
+         | @folder
+         | @specifier
+         | @type
+         | @expr
+         | @namespace
+         | @initialiser
+         | @stmt
+         | @derivation
+         | @comment
+         | @preprocdirect
+         | @fun_decl
+         | @var_decl
+         | @type_decl
+         | @namespace_decl
+         | @using
+         | @namequalifier
+         | @specialnamequalifyingelement
+         | @static_assert
+         | @type_mention
+         | @lambdacapture;
+
+@exprparent = @element;
+
+comments(
+    unique int id: @comment,
+    string contents: string ref,
+    int location: @location_default ref
+);
+
+commentbinding(
+    int id: @comment ref,
+    int element: @element ref
+);
+
+exprconv(
+    int converted: @expr ref,
+    unique int conversion: @expr ref
+);
+
+compgenerated(unique int id: @element ref);
+
+/**
+ * `destructor_call` destructs the `i`'th entity that should be
+ * destructed following `element`. Note that entities should be
+ * destructed in reverse construction order, so for a given `element`
+ * these should be called from highest to lowest `i`.
+ */
+#keyset[element, destructor_call]
+#keyset[element, i]
+synthetic_destructor_call(
+    int element: @element ref,
+    int i: int ref,
+    int destructor_call: @routineexpr ref
+);
+
+namespaces(
+    unique int id: @namespace,
+    string name: string ref
+);
+
+namespace_inline(
+    unique int id: @namespace ref
+);
+
+namespacembrs(
+    int parentid: @namespace ref,
+    unique int memberid: @namespacembr ref
+);
+
+@namespacembr = @declaration | @namespace;
+
+exprparents(
+    int expr_id: @expr ref,
+    int child_index: int ref,
+    int parent_id: @exprparent ref
+);
+
+expr_isload(unique int expr_id: @expr ref);
+
+@cast = @c_style_cast
+      | @const_cast
+      | @dynamic_cast
+      | @reinterpret_cast
+      | @static_cast
+      ;
+
+/*
+case @conversion.kind of
+  0 = @simple_conversion           // a numeric conversion, qualification conversion, or a reinterpret_cast
+| 1 = @bool_conversion             // conversion to 'bool'
+| 2 = @base_class_conversion       // a derived-to-base conversion
+| 3 = @derived_class_conversion    // a base-to-derived conversion
+| 4 = @pm_base_class_conversion    // a derived-to-base conversion of a pointer to member
+| 5 = @pm_derived_class_conversion // a base-to-derived conversion of a pointer to member
+| 6 = @glvalue_adjust              // an adjustment of the type of a glvalue
+| 7 = @prvalue_adjust              // an adjustment of the type of a prvalue
+;
+*/
+/**
+ * Describes the semantics represented by a cast expression. This is largely
+ * independent of the source syntax of the cast, so it is separate from the
+ * regular expression kind.
+ */
+conversionkinds(
+    unique int expr_id: @cast ref,
+    int kind: int ref
+);
+
+@conversion = @cast
+            | @array_to_pointer
+            | @parexpr
+            | @reference_to
+            | @ref_indirect
+            | @temp_init
+            | @c11_generic
+            ;
+
+/*
+case @funbindexpr.kind of
+  0 = @normal_call  // a normal call
+| 1 = @virtual_call // a virtual call
+| 2 = @adl_call     // a call whose target is only found by ADL
+;
+*/
+iscall(
+    unique int caller: @funbindexpr ref,
+    int kind: int ref
+);
+
+numtemplatearguments(
+    unique int expr_id: @expr ref,
+    int num: int ref
+);
+
+specialnamequalifyingelements(
+    unique int id: @specialnamequalifyingelement,
+    unique string name: string ref
+);
+
+@namequalifiableelement = @expr | @namequalifier;
+@namequalifyingelement = @namespace
+                       | @specialnamequalifyingelement
+                       | @usertype;
+
+namequalifiers(
+    unique int id: @namequalifier,
+    unique int qualifiableelement: @namequalifiableelement ref,
+    int qualifyingelement: @namequalifyingelement ref,
+    int location: @location_default ref
+);
+
+varbind(
+    int expr: @varbindexpr ref,
+    int var: @accessible ref
+);
+
+funbind(
+    int expr: @funbindexpr ref,
+    int fun: @function ref
+);
+
+@any_new_expr = @new_expr
+              | @new_array_expr;
+
+@new_or_delete_expr = @any_new_expr
+                    | @delete_expr
+                    | @delete_array_expr;
+
+@prefix_crement_expr = @preincrexpr | @predecrexpr;
+
+@postfix_crement_expr = @postincrexpr | @postdecrexpr;
+
+@increment_expr = @preincrexpr | @postincrexpr;
+
+@decrement_expr = @predecrexpr | @postdecrexpr;
+
+@crement_expr = @increment_expr | @decrement_expr;
+
+@un_arith_op_expr = @arithnegexpr
+                  | @unaryplusexpr
+                  | @conjugation
+                  | @realpartexpr
+                  | @imagpartexpr
+                  | @crement_expr
+                  ;
+
+@un_bitwise_op_expr = @complementexpr;
+
+@un_log_op_expr = @notexpr;
+
+@un_op_expr = @address_of
+            | @indirect
+            | @un_arith_op_expr
+            | @un_bitwise_op_expr
+            | @builtinaddressof
+            | @vec_fill
+            | @un_log_op_expr
+            | @co_await
+            | @co_yield
+            ;
+
+@bin_log_op_expr = @andlogicalexpr | @orlogicalexpr;
+
+@cmp_op_expr = @eq_op_expr | @rel_op_expr;
+
+@eq_op_expr = @eqexpr | @neexpr;
+
+@rel_op_expr = @gtexpr
+             | @ltexpr
+             | @geexpr
+             | @leexpr
+             | @spaceshipexpr
+             ;
+
+@bin_bitwise_op_expr = @lshiftexpr
+                     | @rshiftexpr
+                     | @andexpr
+                     | @orexpr
+                     | @xorexpr
+                     ;
+
+@p_arith_op_expr = @paddexpr
+                 | @psubexpr
+                 | @pdiffexpr
+                 ;
+
+@bin_arith_op_expr = @addexpr
+                   | @subexpr
+                   | @mulexpr
+                   | @divexpr
+                   | @remexpr
+                   | @jmulexpr
+                   | @jdivexpr
+                   | @fjaddexpr
+                   | @jfaddexpr
+                   | @fjsubexpr
+                   | @jfsubexpr
+                   | @minexpr
+                   | @maxexpr
+                   | @p_arith_op_expr
+                   ;
+
+@bin_op_expr = @bin_arith_op_expr
+             | @bin_bitwise_op_expr
+             | @cmp_op_expr
+             | @bin_log_op_expr
+             ;
+
+@op_expr = @un_op_expr
+         | @bin_op_expr
+         | @assign_expr
+         | @conditionalexpr
+         ;
+
+@assign_arith_expr = @assignaddexpr
+                   | @assignsubexpr
+                   | @assignmulexpr
+                   | @assigndivexpr
+                   | @assignremexpr
+                   ;
+
+@assign_bitwise_expr = @assignandexpr
+                     | @assignorexpr
+                     | @assignxorexpr
+                     | @assignlshiftexpr
+                     | @assignrshiftexpr
+                     ;
+
+@assign_pointer_expr = @assignpaddexpr
+                     | @assignpsubexpr
+                     ;
+
+@assign_op_expr = @assign_arith_expr
+                | @assign_bitwise_expr
+                | @assign_pointer_expr
+                ;
+
+@assign_expr = @assignexpr | @assign_op_expr | @blockassignexpr
+
+/*
+  Binary encoding of the allocator form.
+
+  case @allocator.form of
+    0 = plain
+  | 1 = alignment
+  ;
+*/
+
+/**
+ * The allocator function associated with a `new` or `new[]` expression.
+ * The `form` column specified whether the allocation call contains an alignment
+ * argument.
+ */
+expr_allocator(
+    unique int expr: @any_new_expr ref,
+    int func: @function ref,
+    int form: int ref
+);
+
+/*
+  Binary encoding of the deallocator form.
+
+  case @deallocator.form of
+    0 = plain
+  | 1 = size
+  | 2 = alignment
+  | 4 = destroying_delete
+  ;
+*/
+
+/**
+ * The deallocator function associated with a `delete`, `delete[]`, `new`, or
+ * `new[]` expression. For a `new` or `new[]` expression, the deallocator is the
+ * one used to free memory if the initialization throws an exception.
+ * The `form` column specifies whether the deallocation call contains a size
+ * argument, and alignment argument, or both.
+ */
+expr_deallocator(
+    unique int expr: @new_or_delete_expr ref,
+    int func: @function ref,
+    int form: int ref
+);
+
+/**
+ * Holds if the `@conditionalexpr` is of the two operand form
+ * `guard ? : false`.
+ */
+expr_cond_two_operand(
+    unique int cond: @conditionalexpr ref
+);
+
+/**
+ * The guard of `@conditionalexpr` `guard ? true : false`
+ */
+expr_cond_guard(
+    unique int cond: @conditionalexpr ref,
+    int guard: @expr ref
+);
+
+/**
+ * The expression used when the guard of `@conditionalexpr`
+ * `guard ? true : false` holds. For the two operand form
+ * `guard ?: false` consider using `expr_cond_guard` instead.
+ */
+expr_cond_true(
+    unique int cond: @conditionalexpr ref,
+    int true: @expr ref
+);
+
+/**
+ * The expression used when the guard of `@conditionalexpr`
+ * `guard ? true : false` does not hold.
+ */
+expr_cond_false(
+    unique int cond: @conditionalexpr ref,
+    int false: @expr ref
+);
+
+/** A string representation of the value. */
+values(
+    unique int id: @value,
+    string str: string ref
+);
+
+/** The actual text in the source code for the value, if any. */
+valuetext(
+    unique int id: @value ref,
+    string text: string ref
+);
+
+valuebind(
+    int val: @value ref,
+    unique int expr: @expr ref
+);
+
+fieldoffsets(
+    unique int id: @variable ref,
+    int byteoffset: int ref,
+    int bitoffset: int ref
+);
+
+bitfield(
+    unique int id: @variable ref,
+    int bits: int ref,
+    int declared_bits: int ref
+);
+
+/* TODO
+memberprefix(
+    int member: @expr ref,
+    int prefix: @expr ref
+);
+*/
+
+/*
+   kind(1) = mbrcallexpr
+   kind(2) = mbrptrcallexpr
+   kind(3) = mbrptrmbrcallexpr
+   kind(4) = ptrmbrptrmbrcallexpr
+   kind(5) = mbrreadexpr // x.y
+   kind(6) = mbrptrreadexpr // p->y
+   kind(7) = mbrptrmbrreadexpr // x.*pm
+   kind(8) = mbrptrmbrptrreadexpr // x->*pm
+   kind(9) = staticmbrreadexpr // static x.y
+   kind(10) = staticmbrptrreadexpr // static p->y
+*/
+/* TODO
+memberaccess(
+    int member: @expr ref,
+    int kind: int ref
+);
+*/
+
+initialisers(
+    unique int init: @initialiser,
+    int var: @accessible ref,
+    unique int expr: @expr ref,
+    int location: @location_expr ref
+);
+
+braced_initialisers(
+    int init: @initialiser ref
+);
+
+/**
+ * An ancestor for the expression, for cases in which we cannot
+ * otherwise find the expression's parent.
+ */
+expr_ancestor(
+    int exp: @expr ref,
+    int ancestor: @element ref
+);
+
+exprs(
+    unique int id: @expr,
+    int kind: int ref,
+    int location: @location_expr ref
+);
+
+expr_reuse(
+    int reuse: @expr ref,
+    int original: @expr ref,
+    int value_category: int ref
+)
+
+/*
+  case @value.category of
+    1 = prval
+  | 2 = xval
+  | 3 = lval
+  ;
+*/
+expr_types(
+    int id: @expr ref,
+    int typeid: @type ref,
+    int value_category: int ref
+);
+
+case @expr.kind of
+    1 = @errorexpr
+|   2 = @address_of // & AddressOfExpr
+|   3 = @reference_to // ReferenceToExpr (implicit?)
+|   4 = @indirect // * PointerDereferenceExpr
+|   5 = @ref_indirect // ReferenceDereferenceExpr (implicit?)
+// ...
+|   8 = @array_to_pointer // (???)
+|   9 = @vacuous_destructor_call // VacuousDestructorCall
+// ...
+|  11 = @assume // Microsoft
+|  12 = @parexpr
+|  13 = @arithnegexpr
+|  14 = @unaryplusexpr
+|  15 = @complementexpr
+|  16 = @notexpr
+|  17 = @conjugation // GNU ~ operator
+|  18 = @realpartexpr // GNU __real
+|  19 = @imagpartexpr // GNU __imag
+|  20 = @postincrexpr
+|  21 = @postdecrexpr
+|  22 = @preincrexpr
+|  23 = @predecrexpr
+|  24 = @conditionalexpr
+|  25 = @addexpr
+|  26 = @subexpr
+|  27 = @mulexpr
+|  28 = @divexpr
+|  29 = @remexpr
+|  30 = @jmulexpr // C99 mul imaginary
+|  31 = @jdivexpr // C99 div imaginary
+|  32 = @fjaddexpr // C99 add real + imaginary
+|  33 = @jfaddexpr // C99 add imaginary + real
+|  34 = @fjsubexpr // C99 sub real - imaginary
+|  35 = @jfsubexpr // C99 sub imaginary - real
+|  36 = @paddexpr // pointer add (pointer + int or int + pointer)
+|  37 = @psubexpr // pointer sub (pointer - integer)
+|  38 = @pdiffexpr // difference between two pointers
+|  39 = @lshiftexpr
+|  40 = @rshiftexpr
+|  41 = @andexpr
+|  42 = @orexpr
+|  43 = @xorexpr
+|  44 = @eqexpr
+|  45 = @neexpr
+|  46 = @gtexpr
+|  47 = @ltexpr
+|  48 = @geexpr
+|  49 = @leexpr
+|  50 = @minexpr // GNU minimum
+|  51 = @maxexpr // GNU maximum
+|  52 = @assignexpr
+|  53 = @assignaddexpr
+|  54 = @assignsubexpr
+|  55 = @assignmulexpr
+|  56 = @assigndivexpr
+|  57 = @assignremexpr
+|  58 = @assignlshiftexpr
+|  59 = @assignrshiftexpr
+|  60 = @assignandexpr
+|  61 = @assignorexpr
+|  62 = @assignxorexpr
+|  63 = @assignpaddexpr // assign pointer add
+|  64 = @assignpsubexpr // assign pointer sub
+|  65 = @andlogicalexpr
+|  66 = @orlogicalexpr
+|  67 = @commaexpr
+|  68 = @subscriptexpr // access to member of an array, e.g., a[5]
+// ...  69 @objc_subscriptexpr deprecated
+// ...  70 @cmdaccess deprecated
+// ...
+|  73 = @virtfunptrexpr
+|  74 = @callexpr
+// ...  75 @msgexpr_normal deprecated
+// ...  76 @msgexpr_super deprecated
+// ...  77 @atselectorexpr deprecated
+// ...  78 @atprotocolexpr deprecated
+|  79 = @vastartexpr
+|  80 = @vaargexpr
+|  81 = @vaendexpr
+|  82 = @vacopyexpr
+// ...  83 @atencodeexpr deprecated
+|  84 = @varaccess
+|  85 = @thisaccess
+// ...  86 @objc_box_expr deprecated
+|  87 = @new_expr
+|  88 = @delete_expr
+|  89 = @throw_expr
+|  90 = @condition_decl // a variable declared in a condition, e.g., if(int x = y > 2)
+|  91 = @braced_init_list
+|  92 = @type_id
+|  93 = @runtime_sizeof
+|  94 = @runtime_alignof
+|  95 = @sizeof_pack
+|  96 = @expr_stmt // GNU extension
+|  97 = @routineexpr
+|  98 = @type_operand // used to access a type in certain contexts (haven't found any examples yet....)
+|  99 = @offsetofexpr // offsetof ::= type and field
+| 100 = @hasassignexpr // __has_assign ::= type
+| 101 = @hascopyexpr // __has_copy ::= type
+| 102 = @hasnothrowassign // __has_nothrow_assign ::= type
+| 103 = @hasnothrowconstr // __has_nothrow_constructor ::= type
+| 104 = @hasnothrowcopy // __has_nothrow_copy ::= type
+| 105 = @hastrivialassign // __has_trivial_assign ::= type
+| 106 = @hastrivialconstr // __has_trivial_constructor ::= type
+| 107 = @hastrivialcopy // __has_trivial_copy ::= type
+| 108 = @hasuserdestr // __has_user_destructor ::= type
+| 109 = @hasvirtualdestr // __has_virtual_destructor ::= type
+| 110 = @isabstractexpr // __is_abstract ::= type
+| 111 = @isbaseofexpr // __is_base_of ::= type type
+| 112 = @isclassexpr // __is_class ::= type
+| 113 = @isconvtoexpr // __is_convertible_to ::= type type
+| 114 = @isemptyexpr // __is_empty ::= type
+| 115 = @isenumexpr // __is_enum ::= type
+| 116 = @ispodexpr // __is_pod ::= type
+| 117 = @ispolyexpr // __is_polymorphic ::= type
+| 118 = @isunionexpr // __is_union ::= type
+| 119 = @typescompexpr // GNU __builtin_types_compatible ::= type type
+| 120 = @intaddrexpr // frontend internal builtin, used to implement offsetof
+// ...
+| 122 = @hastrivialdestructor // __has_trivial_destructor ::= type
+| 123 = @literal
+| 124 = @uuidof
+| 127 = @aggregateliteral
+| 128 = @delete_array_expr
+| 129 = @new_array_expr
+// ... 130 @objc_array_literal deprecated
+// ... 131 @objc_dictionary_literal deprecated
+| 132 = @foldexpr
+// ...
+| 200 = @ctordirectinit
+| 201 = @ctorvirtualinit
+| 202 = @ctorfieldinit
+| 203 = @ctordelegatinginit
+| 204 = @dtordirectdestruct
+| 205 = @dtorvirtualdestruct
+| 206 = @dtorfielddestruct
+// ...
+| 210 = @static_cast
+| 211 = @reinterpret_cast
+| 212 = @const_cast
+| 213 = @dynamic_cast
+| 214 = @c_style_cast
+| 215 = @lambdaexpr
+| 216 = @param_ref
+| 217 = @noopexpr
+// ...
+| 294 = @istriviallyconstructibleexpr
+| 295 = @isdestructibleexpr
+| 296 = @isnothrowdestructibleexpr
+| 297 = @istriviallydestructibleexpr
+| 298 = @istriviallyassignableexpr
+| 299 = @isnothrowassignableexpr
+| 300 = @istrivialexpr
+| 301 = @isstandardlayoutexpr
+| 302 = @istriviallycopyableexpr
+| 303 = @isliteraltypeexpr
+| 304 = @hastrivialmoveconstructorexpr
+| 305 = @hastrivialmoveassignexpr
+| 306 = @hasnothrowmoveassignexpr
+| 307 = @isconstructibleexpr
+| 308 = @isnothrowconstructibleexpr
+| 309 = @hasfinalizerexpr
+| 310 = @isdelegateexpr
+| 311 = @isinterfaceclassexpr
+| 312 = @isrefarrayexpr
+| 313 = @isrefclassexpr
+| 314 = @issealedexpr
+| 315 = @issimplevalueclassexpr
+| 316 = @isvalueclassexpr
+| 317 = @isfinalexpr
+| 319 = @noexceptexpr
+| 320 = @builtinshufflevector
+| 321 = @builtinchooseexpr
+| 322 = @builtinaddressof
+| 323 = @vec_fill
+| 324 = @builtinconvertvector
+| 325 = @builtincomplex
+| 326 = @spaceshipexpr
+| 327 = @co_await
+| 328 = @co_yield
+| 329 = @temp_init
+| 330 = @isassignable
+| 331 = @isaggregate
+| 332 = @hasuniqueobjectrepresentations
+| 333 = @builtinbitcast
+| 334 = @builtinshuffle
+| 335 = @blockassignexpr
+| 336 = @issame
+| 337 = @isfunction
+| 338 = @islayoutcompatible
+| 339 = @ispointerinterconvertiblebaseof
+| 340 = @isarray
+| 341 = @arrayrank
+| 342 = @arrayextent
+| 343 = @isarithmetic
+| 344 = @iscompletetype
+| 345 = @iscompound
+| 346 = @isconst
+| 347 = @isfloatingpoint
+| 348 = @isfundamental
+| 349 = @isintegral
+| 350 = @islvaluereference
+| 351 = @ismemberfunctionpointer
+| 352 = @ismemberobjectpointer
+| 353 = @ismemberpointer
+| 354 = @isobject
+| 355 = @ispointer
+| 356 = @isreference
+| 357 = @isrvaluereference
+| 358 = @isscalar
+| 359 = @issigned
+| 360 = @isunsigned
+| 361 = @isvoid
+| 362 = @isvolatile
+| 363 = @reuseexpr
+| 364 = @istriviallycopyassignable
+| 365 = @isassignablenopreconditioncheck
+| 366 = @referencebindstotemporary
+| 367 = @issameas
+| 368 = @builtinhasattribute
+| 369 = @ispointerinterconvertiblewithclass
+| 370 = @builtinispointerinterconvertiblewithclass
+| 371 = @iscorrespondingmember
+| 372 = @builtiniscorrespondingmember
+| 373 = @isboundedarray
+| 374 = @isunboundedarray
+| 375 = @isreferenceable
+| 378 = @isnothrowconvertible
+| 379 = @referenceconstructsfromtemporary
+| 380 = @referenceconvertsfromtemporary
+| 381 = @isconvertible
+| 382 = @isvalidwinrttype
+| 383 = @iswinclass
+| 384 = @iswininterface
+| 385 = @istriviallyequalitycomparable
+| 386 = @isscopedenum
+| 387 = @istriviallyrelocatable
+| 388 = @datasizeof
+| 389 = @c11_generic
+| 390 = @requires_expr
+| 391 = @nested_requirement
+| 392 = @compound_requirement
+| 393 = @concept_id
+;
+
+@var_args_expr = @vastartexpr
+               | @vaendexpr
+               | @vaargexpr
+               | @vacopyexpr
+               ;
+
+@builtin_op = @var_args_expr
+            | @noopexpr
+            | @offsetofexpr
+            | @intaddrexpr
+            | @hasassignexpr
+            | @hascopyexpr
+            | @hasnothrowassign
+            | @hasnothrowconstr
+            | @hasnothrowcopy
+            | @hastrivialassign
+            | @hastrivialconstr
+            | @hastrivialcopy
+            | @hastrivialdestructor
+            | @hasuserdestr
+            | @hasvirtualdestr
+            | @isabstractexpr
+            | @isbaseofexpr
+            | @isclassexpr
+            | @isconvtoexpr
+            | @isemptyexpr
+            | @isenumexpr
+            | @ispodexpr
+            | @ispolyexpr
+            | @isunionexpr
+            | @typescompexpr
+            | @builtinshufflevector
+            | @builtinconvertvector
+            | @builtinaddressof
+            | @istriviallyconstructibleexpr
+            | @isdestructibleexpr
+            | @isnothrowdestructibleexpr
+            | @istriviallydestructibleexpr
+            | @istriviallyassignableexpr
+            | @isnothrowassignableexpr
+            | @istrivialexpr
+            | @isstandardlayoutexpr
+            | @istriviallycopyableexpr
+            | @isliteraltypeexpr
+            | @hastrivialmoveconstructorexpr
+            | @hastrivialmoveassignexpr
+            | @hasnothrowmoveassignexpr
+            | @isconstructibleexpr
+            | @isnothrowconstructibleexpr
+            | @hasfinalizerexpr
+            | @isdelegateexpr
+            | @isinterfaceclassexpr
+            | @isrefarrayexpr
+            | @isrefclassexpr
+            | @issealedexpr
+            | @issimplevalueclassexpr
+            | @isvalueclassexpr
+            | @isfinalexpr
+            | @builtinchooseexpr
+            | @builtincomplex
+            | @isassignable
+            | @isaggregate
+            | @hasuniqueobjectrepresentations
+            | @builtinbitcast
+            | @builtinshuffle
+            | @issame
+            | @isfunction
+            | @islayoutcompatible
+            | @ispointerinterconvertiblebaseof
+            | @isarray
+            | @arrayrank
+            | @arrayextent
+            | @isarithmetic
+            | @iscompletetype
+            | @iscompound
+            | @isconst
+            | @isfloatingpoint
+            | @isfundamental
+            | @isintegral
+            | @islvaluereference
+            | @ismemberfunctionpointer
+            | @ismemberobjectpointer
+            | @ismemberpointer
+            | @isobject
+            | @ispointer
+            | @isreference
+            | @isrvaluereference
+            | @isscalar
+            | @issigned
+            | @isunsigned
+            | @isvoid
+            | @isvolatile
+            | @istriviallycopyassignable
+            | @isassignablenopreconditioncheck
+            | @referencebindstotemporary
+            | @issameas
+            | @builtinhasattribute
+            | @ispointerinterconvertiblewithclass
+            | @builtinispointerinterconvertiblewithclass
+            | @iscorrespondingmember
+            | @builtiniscorrespondingmember
+            | @isboundedarray
+            | @isunboundedarray
+            | @isreferenceable
+            | @isnothrowconvertible
+            | @referenceconstructsfromtemporary
+            | @referenceconvertsfromtemporary
+            | @isconvertible
+            | @isvalidwinrttype
+            | @iswinclass
+            | @iswininterface
+            | @istriviallyequalitycomparable
+            | @isscopedenum
+            | @istriviallyrelocatable
+            ;
+
+compound_requirement_is_noexcept(
+    int expr: @compound_requirement ref
+);
+
+new_allocated_type(
+    unique int expr: @new_expr ref,
+    int type_id: @type ref
+);
+
+new_array_allocated_type(
+    unique int expr: @new_array_expr ref,
+    int type_id: @type ref
+);
+
+/**
+ * The field being initialized by an initializer expression within an aggregate
+ * initializer for a class/struct/union. Position is used to sort repeated initializers.
+ */
+#keyset[aggregate, position]
+aggregate_field_init(
+    int aggregate: @aggregateliteral ref,
+    int initializer: @expr ref,
+    int field: @membervariable ref,
+    int position: int ref,
+    boolean is_designated: boolean ref
+);
+
+/**
+ * The index of the element being initialized by an initializer expression
+ * within an aggregate initializer for an array. Position is used to sort repeated initializers.
+ */
+#keyset[aggregate, position]
+aggregate_array_init(
+    int aggregate: @aggregateliteral ref,
+    int initializer: @expr ref,
+    int element_index: int ref,
+    int position: int ref,
+    boolean is_designated: boolean ref
+);
+
+@ctorinit = @ctordirectinit
+          | @ctorvirtualinit
+          | @ctorfieldinit
+          | @ctordelegatinginit;
+@dtordestruct = @dtordirectdestruct
+              | @dtorvirtualdestruct
+              | @dtorfielddestruct;
+
+
+condition_decl_bind(
+    unique int expr: @condition_decl ref,
+    unique int decl: @declaration ref
+);
+
+typeid_bind(
+    unique int expr: @type_id ref,
+    int type_id: @type ref
+);
+
+uuidof_bind(
+    unique int expr: @uuidof ref,
+    int type_id: @type ref
+);
+
+@sizeof_or_alignof = @runtime_sizeof | @runtime_alignof | @datasizeof | @sizeof_pack;
+
+sizeof_bind(
+    unique int expr: @sizeof_or_alignof ref,
+    int type_id: @type ref
+);
+
+code_block(
+    unique int block: @literal ref,
+    unique int routine: @function ref
+);
+
+lambdas(
+    unique int expr: @lambdaexpr ref,
+    string default_capture: string ref,
+    boolean has_explicit_return_type: boolean ref
+);
+
+lambda_capture(
+    unique int id: @lambdacapture,
+    int lambda: @lambdaexpr ref,
+    int index: int ref,
+    int field: @membervariable ref,
+    boolean captured_by_reference: boolean ref,
+    boolean is_implicit: boolean ref,
+    int location: @location_default ref
+);
+
+@funbindexpr = @routineexpr
+             | @new_expr
+             | @delete_expr
+             | @delete_array_expr
+             | @ctordirectinit
+             | @ctorvirtualinit
+             | @ctordelegatinginit
+             | @dtordirectdestruct
+             | @dtorvirtualdestruct;
+
+@varbindexpr = @varaccess | @ctorfieldinit | @dtorfielddestruct;
+@addressable = @function | @variable ;
+@accessible = @addressable | @enumconstant ;
+
+@access = @varaccess | @routineexpr ;
+
+fold(
+    int expr: @foldexpr ref,
+    string operator: string ref,
+    boolean is_left_fold: boolean ref
+);
+
+stmts(
+    unique int id: @stmt,
+    int kind: int ref,
+    int location: @location_stmt ref
+);
+
+case @stmt.kind of
+    1 = @stmt_expr
+|   2 = @stmt_if
+|   3 = @stmt_while
+|   4 = @stmt_goto
+|   5 = @stmt_label
+|   6 = @stmt_return
+|   7 = @stmt_block
+|   8 = @stmt_end_test_while // do { ... } while ( ... )
+|   9 = @stmt_for
+|  10 = @stmt_switch_case
+|  11 = @stmt_switch
+|  13 = @stmt_asm // "asm" statement or the body of an asm function
+|  15 = @stmt_try_block
+|  16 = @stmt_microsoft_try // Microsoft
+|  17 = @stmt_decl
+|  18 = @stmt_set_vla_size // C99
+|  19 = @stmt_vla_decl // C99
+|  25 = @stmt_assigned_goto // GNU
+|  26 = @stmt_empty
+|  27 = @stmt_continue
+|  28 = @stmt_break
+|  29 = @stmt_range_based_for // C++11
+// ...  30 @stmt_at_autoreleasepool_block deprecated
+// ...  31 @stmt_objc_for_in deprecated
+// ...  32 @stmt_at_synchronized deprecated
+|  33 = @stmt_handler
+// ...  34 @stmt_finally_end deprecated
+|  35 = @stmt_constexpr_if
+|  37 = @stmt_co_return
+|  38 = @stmt_consteval_if
+|  39 = @stmt_not_consteval_if
+;
+
+type_vla(
+    int type_id: @type ref,
+    int decl: @stmt_vla_decl ref
+);
+
+variable_vla(
+    int var: @variable ref,
+    int decl: @stmt_vla_decl ref
+);
+
+type_is_vla(unique int type_id: @derivedtype ref)
+
+if_initialization(
+    unique int if_stmt: @stmt_if ref,
+    int init_id: @stmt ref
+);
+
+if_then(
+    unique int if_stmt: @stmt_if ref,
+    int then_id: @stmt ref
+);
+
+if_else(
+    unique int if_stmt: @stmt_if ref,
+    int else_id: @stmt ref
+);
+
+constexpr_if_initialization(
+    unique int constexpr_if_stmt: @stmt_constexpr_if ref,
+    int init_id: @stmt ref
+);
+
+constexpr_if_then(
+    unique int constexpr_if_stmt: @stmt_constexpr_if ref,
+    int then_id: @stmt ref
+);
+
+constexpr_if_else(
+    unique int constexpr_if_stmt: @stmt_constexpr_if ref,
+    int else_id: @stmt ref
+);
+
+@stmt_consteval_or_not_consteval_if = @stmt_consteval_if | @stmt_not_consteval_if;
+
+consteval_if_then(
+    unique int constexpr_if_stmt: @stmt_consteval_or_not_consteval_if ref,
+    int then_id: @stmt ref
+);
+
+consteval_if_else(
+    unique int constexpr_if_stmt: @stmt_consteval_or_not_consteval_if ref,
+    int else_id: @stmt ref
+);
+
+while_body(
+    unique int while_stmt: @stmt_while ref,
+    int body_id: @stmt ref
+);
+
+do_body(
+    unique int do_stmt: @stmt_end_test_while ref,
+    int body_id: @stmt ref
+);
+
+switch_initialization(
+    unique int switch_stmt: @stmt_switch ref,
+    int init_id: @stmt ref
+);
+
+#keyset[switch_stmt, index]
+switch_case(
+    int switch_stmt: @stmt_switch ref,
+    int index: int ref,
+    int case_id: @stmt_switch_case ref
+);
+
+switch_body(
+    unique int switch_stmt: @stmt_switch ref,
+    int body_id: @stmt ref
+);
+
+@stmt_for_or_range_based_for = @stmt_for
+                             | @stmt_range_based_for;
+
+for_initialization(
+    unique int for_stmt: @stmt_for_or_range_based_for ref,
+    int init_id: @stmt ref
+);
+
+for_condition(
+    unique int for_stmt: @stmt_for ref,
+    int condition_id: @expr ref
+);
+
+for_update(
+    unique int for_stmt: @stmt_for ref,
+    int update_id: @expr ref
+);
+
+for_body(
+    unique int for_stmt: @stmt_for ref,
+    int body_id: @stmt ref
+);
+
+@stmtparent = @stmt | @expr_stmt ;
+stmtparents(
+    unique int id: @stmt ref,
+    int index: int ref,
+    int parent: @stmtparent ref
+);
+
+ishandler(unique int block: @stmt_block ref);
+
+@cfgnode = @stmt | @expr | @function | @initialiser ;
+
+stmt_decl_bind(
+    int stmt: @stmt_decl ref,
+    int num: int ref,
+    int decl: @declaration ref
+);
+
+stmt_decl_entry_bind(
+    int stmt: @stmt_decl ref,
+    int num: int ref,
+    int decl_entry: @element ref
+);
+
+@parameterized_element = @function | @stmt_block | @requires_expr;
+
+blockscope(
+    unique int block: @stmt_block ref,
+    int enclosing: @parameterized_element ref
+);
+
+@jump = @stmt_goto | @stmt_break | @stmt_continue;
+
+@jumporlabel = @jump | @stmt_label | @literal;
+
+jumpinfo(
+    unique int id: @jumporlabel ref,
+    string str: string ref,
+    int target: @stmt ref
+);
+
+preprocdirects(
+    unique int id: @preprocdirect,
+    int kind: int ref,
+    int location: @location_default ref
+);
+case @preprocdirect.kind of
+   0 = @ppd_if
+|  1 = @ppd_ifdef
+|  2 = @ppd_ifndef
+|  3 = @ppd_elif
+|  4 = @ppd_else
+|  5 = @ppd_endif
+|  6 = @ppd_plain_include
+|  7 = @ppd_define
+|  8 = @ppd_undef
+|  9 = @ppd_line
+| 10 = @ppd_error
+| 11 = @ppd_pragma
+| 12 = @ppd_objc_import
+| 13 = @ppd_include_next
+| 14 = @ppd_ms_import
+| 15 = @ppd_elifdef
+| 16 = @ppd_elifndef
+| 18 = @ppd_warning
+;
+
+@ppd_include = @ppd_plain_include | @ppd_objc_import | @ppd_include_next | @ppd_ms_import;
+
+@ppd_branch = @ppd_if | @ppd_ifdef | @ppd_ifndef | @ppd_elif | @ppd_elifdef | @ppd_elifndef;
+
+preprocpair(
+    int begin : @ppd_branch ref,
+    int elseelifend : @preprocdirect ref
+);
+
+preproctrue(int branch : @ppd_branch ref);
+preprocfalse(int branch : @ppd_branch ref);
+
+preproctext(
+    unique int id: @preprocdirect ref,
+    string head: string ref,
+    string body: string ref
+);
+
+includes(
+    unique int id: @ppd_include ref,
+    int included: @file ref
+);
+
+link_targets(
+    int id: @link_target,
+    int binary: @file ref
+);
+
+link_parent(
+    int element : @element ref,
+    int link_target : @link_target ref
+);
+
+/* XML Files */
+
+xmlEncoding(unique int id: @file ref, string encoding: string ref);
+
+xmlDTDs(
+    unique int id: @xmldtd,
+    string root: string ref,
+    string publicId: string ref,
+    string systemId: string ref,
+    int fileid: @file ref
+);
+
+xmlElements(
+    unique int id: @xmlelement,
+    string name: string ref,
+    int parentid: @xmlparent ref,
+    int idx: int ref,
+    int fileid: @file ref
+);
+
+xmlAttrs(
+    unique int id: @xmlattribute,
+    int elementid: @xmlelement ref,
+    string name: string ref,
+    string value: string ref,
+    int idx: int ref,
+    int fileid: @file ref
+);
+
+xmlNs(
+    int id: @xmlnamespace,
+    string prefixName: string ref,
+    string URI: string ref,
+    int fileid: @file ref
+);
+
+xmlHasNs(
+    int elementId: @xmlnamespaceable ref,
+    int nsId: @xmlnamespace ref,
+    int fileid: @file ref
+);
+
+xmlComments(
+    unique int id: @xmlcomment,
+    string text: string ref,
+    int parentid: @xmlparent ref,
+    int fileid: @file ref
+);
+
+xmlChars(
+    unique int id: @xmlcharacters,
+    string text: string ref,
+    int parentid: @xmlparent ref,
+    int idx: int ref,
+    int isCDATA: int ref,
+    int fileid: @file ref
+);
+
+@xmlparent = @file | @xmlelement;
+@xmlnamespaceable = @xmlelement | @xmlattribute;
+
+xmllocations(
+    int xmlElement: @xmllocatable ref,
+    int location: @location_default ref
+);
+
+@xmllocatable = @xmlcharacters
+              | @xmlelement
+              | @xmlcomment
+              | @xmlattribute
+              | @xmldtd
+              | @file
+              | @xmlnamespace;
diff --git a/cpp/downgrades/2e2d805ef93d060b813403cb9b51dc72455a4c68/semmlecode.cpp.dbscheme b/cpp/downgrades/2e2d805ef93d060b813403cb9b51dc72455a4c68/semmlecode.cpp.dbscheme
new file mode 100644
index 000000000000..0f0a390468a5
--- /dev/null
+++ b/cpp/downgrades/2e2d805ef93d060b813403cb9b51dc72455a4c68/semmlecode.cpp.dbscheme
@@ -0,0 +1,2446 @@
+
+/**
+ * An invocation of the compiler. Note that more than one file may be
+ * compiled per invocation. For example, this command compiles three
+ * source files:
+ *
+ *   gcc -c f1.c f2.c f3.c
+ *
+ * The `id` simply identifies the invocation, while `cwd` is the working
+ * directory from which the compiler was invoked.
+ */
+compilations(
+    /**
+     * An invocation of the compiler. Note that more than one file may
+     * be compiled per invocation. For example, this command compiles
+     * three source files:
+     *
+     *   gcc -c f1.c f2.c f3.c
+     */
+    unique int id : @compilation,
+    string cwd : string ref
+);
+
+/**
+ * The arguments that were passed to the extractor for a compiler
+ * invocation. If `id` is for the compiler invocation
+ *
+ *   gcc -c f1.c f2.c f3.c
+ *
+ * then typically there will be rows for
+ *
+ * num | arg
+ * --- | ---
+ * 0   | *path to extractor*
+ * 1   | `--mimic`
+ * 2   | `/usr/bin/gcc`
+ * 3   | `-c`
+ * 4   | f1.c
+ * 5   | f2.c
+ * 6   | f3.c
+ */
+#keyset[id, num]
+compilation_args(
+    int id : @compilation ref,
+    int num : int ref,
+    string arg : string ref
+);
+
+/**
+ * Optionally, record the build mode for each compilation.
+ */
+compilation_build_mode(
+    unique int id : @compilation ref,
+    int mode : int ref
+);
+
+/*
+case @compilation_build_mode.mode of
+  0 = @build_mode_none
+| 1 = @build_mode_manual
+| 2 = @build_mode_auto
+;
+*/
+
+/**
+ * The source files that are compiled by a compiler invocation.
+ * If `id` is for the compiler invocation
+ *
+ *   gcc -c f1.c f2.c f3.c
+ *
+ * then there will be rows for
+ *
+ * num | arg
+ * --- | ---
+ * 0   | f1.c
+ * 1   | f2.c
+ * 2   | f3.c
+ *
+ * Note that even if those files `#include` headers, those headers
+ * do not appear as rows.
+ */
+#keyset[id, num]
+compilation_compiling_files(
+    int id : @compilation ref,
+    int num : int ref,
+    int file : @file ref
+);
+
+/**
+ * The time taken by the extractor for a compiler invocation.
+ *
+ * For each file `num`, there will be rows for
+ *
+ * kind | seconds
+ * ---- | ---
+ * 1    | CPU seconds used by the extractor frontend
+ * 2    | Elapsed seconds during the extractor frontend
+ * 3    | CPU seconds used by the extractor backend
+ * 4    | Elapsed seconds during the extractor backend
+ */
+#keyset[id, num, kind]
+compilation_time(
+    int id : @compilation ref,
+    int num : int ref,
+    /* kind:
+       1 = frontend_cpu_seconds
+       2 = frontend_elapsed_seconds
+       3 = extractor_cpu_seconds
+       4 = extractor_elapsed_seconds
+    */
+    int kind : int ref,
+    float seconds : float ref
+);
+
+/**
+ * An error or warning generated by the extractor.
+ * The diagnostic message `diagnostic` was generated during compiler
+ * invocation `compilation`, and is the `file_number_diagnostic_number`th
+ * message generated while extracting the `file_number`th file of that
+ * invocation.
+ */
+#keyset[compilation, file_number, file_number_diagnostic_number]
+diagnostic_for(
+    int diagnostic : @diagnostic ref,
+    int compilation : @compilation ref,
+    int file_number : int ref,
+    int file_number_diagnostic_number : int ref
+);
+
+/**
+ * If extraction was successful, then `cpu_seconds` and
+ * `elapsed_seconds` are the CPU time and elapsed time (respectively)
+ * that extraction took for compiler invocation `id`.
+ */
+compilation_finished(
+    unique int id : @compilation ref,
+    float cpu_seconds : float ref,
+    float elapsed_seconds : float ref
+);
+
+
+/**
+ * External data, loaded from CSV files during snapshot creation. See
+ * [Tutorial: Incorporating external data](https://help.semmle.com/wiki/display/SD/Tutorial%3A+Incorporating+external+data)
+ * for more information.
+ */
+externalData(
+    int id : @externalDataElement,
+    string path : string ref,
+    int column: int ref,
+    string value : string ref
+);
+
+/**
+ * The source location of the snapshot.
+ */
+sourceLocationPrefix(string prefix : string ref);
+
+/**
+ * Information about packages that provide code used during compilation.
+ * The `id` is just a unique identifier.
+ * The `namespace` is typically the name of the package manager that
+ * provided the package (e.g. "dpkg" or "yum").
+ * The `package_name` is the name of the package, and `version` is its
+ * version (as a string).
+ */
+external_packages(
+    unique int id: @external_package,
+    string namespace : string ref,
+    string package_name : string ref,
+    string version : string ref
+);
+
+/**
+ * Holds if File `fileid` was provided by package `package`.
+ */
+header_to_external_package(
+    int fileid : @file ref,
+    int package : @external_package ref
+);
+
+/*
+ * Version history
+ */
+
+svnentries(
+    unique int id : @svnentry,
+    string revision : string ref,
+    string author : string ref,
+    date revisionDate : date ref,
+    int changeSize : int ref
+)
+
+svnaffectedfiles(
+    int id : @svnentry ref,
+    int file : @file ref,
+    string action : string ref
+)
+
+svnentrymsg(
+    unique int id : @svnentry ref,
+    string message : string ref
+)
+
+svnchurn(
+    int commit : @svnentry ref,
+    int file : @file ref,
+    int addedLines : int ref,
+    int deletedLines : int ref
+)
+
+/*
+ * C++ dbscheme
+ */
+
+extractor_version(
+    string codeql_version: string ref,
+    string frontend_version: string ref
+)
+
+@location = @location_stmt | @location_expr | @location_default ;
+
+/**
+ * The location of an element that is not an expression or a statement.
+ * The location spans column `startcolumn` of line `startline` to
+ * column `endcolumn` of line `endline` in file `file`.
+ * For more information, see
+ * [Locations](https://codeql.github.com/docs/writing-codeql-queries/providing-locations-in-codeql-queries/).
+ */
+locations_default(
+    /** The location of an element that is not an expression or a statement. */
+    unique int id: @location_default,
+    int container: @container ref,
+    int startLine: int ref,
+    int startColumn: int ref,
+    int endLine: int ref,
+    int endColumn: int ref
+);
+
+/**
+ * The location of a statement.
+ * The location spans column `startcolumn` of line `startline` to
+ * column `endcolumn` of line `endline` in file `file`.
+ * For more information, see
+ * [Locations](https://codeql.github.com/docs/writing-codeql-queries/providing-locations-in-codeql-queries/).
+ */
+locations_stmt(
+    /** The location of a statement. */
+    unique int id: @location_stmt,
+    int container: @container ref,
+    int startLine: int ref,
+    int startColumn: int ref,
+    int endLine: int ref,
+    int endColumn: int ref
+);
+
+/**
+ * The location of an expression.
+ * The location spans column `startcolumn` of line `startline` to
+ * column `endcolumn` of line `endline` in file `file`.
+ * For more information, see
+ * [Locations](https://codeql.github.com/docs/writing-codeql-queries/providing-locations-in-codeql-queries/).
+ */
+locations_expr(
+    /** The location of an expression. */
+    unique int id: @location_expr,
+    int container: @container ref,
+    int startLine: int ref,
+    int startColumn: int ref,
+    int endLine: int ref,
+    int endColumn: int ref
+);
+
+/** An element for which line-count information is available. */
+@sourceline = @file | @function | @variable | @enumconstant | @xmllocatable;
+
+numlines(
+    int element_id: @sourceline ref,
+    int num_lines: int ref,
+    int num_code: int ref,
+    int num_comment: int ref
+);
+
+diagnostics(
+    unique int id: @diagnostic,
+    int severity: int ref,
+    string error_tag: string ref,
+    string error_message: string ref,
+    string full_error_message: string ref,
+    int location: @location_default ref
+);
+
+files(
+    unique int id: @file,
+    string name: string ref
+);
+
+folders(
+    unique int id: @folder,
+    string name: string ref
+);
+
+@container = @folder | @file
+
+containerparent(
+    int parent: @container ref,
+    unique int child: @container ref
+);
+
+fileannotations(
+    int id: @file ref,
+    int kind: int ref,
+    string name: string ref,
+    string value: string ref
+);
+
+inmacroexpansion(
+    int id: @element ref,
+    int inv: @macroinvocation ref
+);
+
+affectedbymacroexpansion(
+    int id: @element ref,
+    int inv: @macroinvocation ref
+);
+
+case @macroinvocation.kind of
+  1 = @macro_expansion
+| 2 = @other_macro_reference
+;
+
+macroinvocations(
+    unique int id: @macroinvocation,
+    int macro_id: @ppd_define ref,
+    int location: @location_default ref,
+    int kind: int ref
+);
+
+macroparent(
+    unique int id: @macroinvocation ref,
+    int parent_id: @macroinvocation ref
+);
+
+// a macroinvocation may be part of another location
+// the way to find a constant expression that uses a macro
+// is thus to find a constant expression that has a location
+// to which a macro invocation is bound
+macrolocationbind(
+    int id: @macroinvocation ref,
+    int location: @location ref
+);
+
+#keyset[invocation, argument_index]
+macro_argument_unexpanded(
+    int invocation: @macroinvocation ref,
+    int argument_index: int ref,
+    string text: string ref
+);
+
+#keyset[invocation, argument_index]
+macro_argument_expanded(
+    int invocation: @macroinvocation ref,
+    int argument_index: int ref,
+    string text: string ref
+);
+
+/*
+case @function.kind of
+  1 = @normal_function
+| 2 = @constructor
+| 3 = @destructor
+| 4 = @conversion_function
+| 5 = @operator
+| 6 = @builtin_function     // GCC built-in functions, e.g. __builtin___memcpy_chk
+| 7 = @user_defined_literal
+| 8 = @deduction_guide
+;
+*/
+
+functions(
+    unique int id: @function,
+    string name: string ref,
+    int kind: int ref
+);
+
+function_entry_point(
+    int id: @function ref,
+    unique int entry_point: @stmt ref
+);
+
+function_return_type(
+    int id: @function ref,
+    int return_type: @type ref
+);
+
+/**
+ * If `function` is a coroutine, then this gives the `std::experimental::resumable_traits`
+ * instance associated with it, and the variables representing the `handle` and `promise`
+ * for it.
+ */
+coroutine(
+  unique int function: @function ref,
+  int traits: @type ref
+);
+
+/*
+case @coroutine_placeholder_variable.kind of
+  1 = @handle
+| 2 = @promise
+| 3 = @init_await_resume
+;
+*/
+
+coroutine_placeholder_variable(
+  unique int placeholder_variable: @variable ref,
+  int kind: int ref,
+  int function: @function ref
+)
+
+/** The `new` function used for allocating the coroutine state, if any. */
+coroutine_new(
+  unique int function: @function ref,
+  int new: @function ref
+);
+
+/** The `delete` function used for deallocating the coroutine state, if any. */
+coroutine_delete(
+  unique int function: @function ref,
+  int delete: @function ref
+);
+
+purefunctions(unique int id: @function ref);
+
+function_deleted(unique int id: @function ref);
+
+function_defaulted(unique int id: @function ref);
+
+function_prototyped(unique int id: @function ref)
+
+deduction_guide_for_class(
+    int id: @function ref,
+    int class_template: @usertype ref
+)
+
+member_function_this_type(
+    unique int id: @function ref,
+    int this_type: @type ref
+);
+
+#keyset[id, type_id]
+fun_decls(
+    int id: @fun_decl,
+    int function: @function ref,
+    int type_id: @type ref,
+    string name: string ref,
+    int location: @location_default ref
+);
+fun_def(unique int id: @fun_decl ref);
+fun_specialized(unique int id: @fun_decl ref);
+fun_implicit(unique int id: @fun_decl ref);
+fun_decl_specifiers(
+    int id: @fun_decl ref,
+    string name: string ref
+)
+#keyset[fun_decl, index]
+fun_decl_throws(
+    int fun_decl: @fun_decl ref,
+    int index: int ref,
+    int type_id: @type ref
+);
+/* an empty throw specification is different from none */
+fun_decl_empty_throws(unique int fun_decl: @fun_decl ref);
+fun_decl_noexcept(
+    int fun_decl: @fun_decl ref,
+    int constant: @expr ref
+);
+fun_decl_empty_noexcept(int fun_decl: @fun_decl ref);
+fun_decl_typedef_type(
+    unique int fun_decl: @fun_decl ref,
+    int typedeftype_id: @usertype ref
+);
+
+/*
+case @fun_requires.kind of
+  1 = @template_attached
+| 2 = @function_attached
+;
+*/
+
+fun_requires(
+    int id: @fun_decl ref,
+    int kind: int ref,
+    int constraint: @expr ref
+);
+
+param_decl_bind(
+    unique int id: @var_decl ref,
+    int index: int ref,
+    int fun_decl: @fun_decl ref
+);
+
+#keyset[id, type_id]
+var_decls(
+    int id: @var_decl,
+    int variable: @variable ref,
+    int type_id: @type ref,
+    string name: string ref,
+    int location: @location_default ref
+);
+var_def(unique int id: @var_decl ref);
+var_specialized(int id: @var_decl ref);
+var_decl_specifiers(
+    int id: @var_decl ref,
+    string name: string ref
+)
+is_structured_binding(unique int id: @variable ref);
+var_requires(
+    int id: @var_decl ref,
+    int constraint: @expr ref
+);
+
+type_decls(
+    unique int id: @type_decl,
+    int type_id: @type ref,
+    int location: @location_default ref
+);
+type_def(unique int id: @type_decl ref);
+type_decl_top(
+    unique int type_decl: @type_decl ref
+);
+type_requires(
+    int id: @type_decl ref,
+    int constraint: @expr ref
+);
+
+namespace_decls(
+    unique int id: @namespace_decl,
+    int namespace_id: @namespace ref,
+    int location: @location_default ref,
+    int bodylocation: @location_default ref
+);
+
+case @using.kind of
+  1 = @using_declaration
+| 2 = @using_directive
+| 3 = @using_enum_declaration
+;
+
+usings(
+    unique int id: @using,
+    int element_id: @element ref,
+    int location: @location_default ref,
+    int kind: int ref
+);
+
+/** The element which contains the `using` declaration. */
+using_container(
+    int parent: @element ref,
+    int child: @using ref
+);
+
+static_asserts(
+    unique int id: @static_assert,
+    int condition : @expr ref,
+    string message : string ref,
+    int location: @location_default ref,
+    int enclosing : @element ref
+);
+
+// each function has an ordered list of parameters
+#keyset[id, type_id]
+#keyset[function, index, type_id]
+params(
+    int id: @parameter,
+    int function: @parameterized_element ref,
+    int index: int ref,
+    int type_id: @type ref
+);
+
+overrides(
+    int new: @function ref,
+    int old: @function ref
+);
+
+#keyset[id, type_id]
+membervariables(
+    int id: @membervariable,
+    int type_id: @type ref,
+    string name: string ref
+);
+
+#keyset[id, type_id]
+globalvariables(
+    int id: @globalvariable,
+    int type_id: @type ref,
+    string name: string ref
+);
+
+#keyset[id, type_id]
+localvariables(
+    int id: @localvariable,
+    int type_id: @type ref,
+    string name: string ref
+);
+
+autoderivation(
+    unique int var: @variable ref,
+    int derivation_type: @type ref
+);
+
+orphaned_variables(
+    int var: @localvariable ref,
+    int function: @function ref
+)
+
+enumconstants(
+    unique int id: @enumconstant,
+    int parent: @usertype ref,
+    int index: int ref,
+    int type_id: @type ref,
+    string name: string ref,
+    int location: @location_default ref
+);
+
+@variable = @localscopevariable | @globalvariable | @membervariable;
+
+@localscopevariable = @localvariable | @parameter;
+
+/**
+ * Built-in types are the fundamental types, e.g., integral, floating, and void.
+ */
+case @builtintype.kind of
+   1 = @errortype
+|  2 = @unknowntype
+|  3 = @void
+|  4 = @boolean
+|  5 = @char
+|  6 = @unsigned_char
+|  7 = @signed_char
+|  8 = @short
+|  9 = @unsigned_short
+| 10 = @signed_short
+| 11 = @int
+| 12 = @unsigned_int
+| 13 = @signed_int
+| 14 = @long
+| 15 = @unsigned_long
+| 16 = @signed_long
+| 17 = @long_long
+| 18 = @unsigned_long_long
+| 19 = @signed_long_long
+// ... 20 Microsoft-specific __int8
+// ... 21 Microsoft-specific __int16
+// ... 22 Microsoft-specific __int32
+// ... 23 Microsoft-specific __int64
+| 24 = @float
+| 25 = @double
+| 26 = @long_double
+| 27 = @complex_float         // C99-specific _Complex float
+| 28 = @complex_double        // C99-specific _Complex double
+| 29 = @complex_long_double   // C99-specific _Complex long double
+| 30 = @imaginary_float       // C99-specific _Imaginary float
+| 31 = @imaginary_double      // C99-specific _Imaginary double
+| 32 = @imaginary_long_double // C99-specific _Imaginary long double
+| 33 = @wchar_t               // Microsoft-specific
+| 34 = @decltype_nullptr      // C++11
+| 35 = @int128                // __int128
+| 36 = @unsigned_int128       // unsigned __int128
+| 37 = @signed_int128         // signed __int128
+| 38 = @float128              // __float128
+| 39 = @complex_float128      // _Complex __float128
+| 40 = @decimal32             // _Decimal32
+| 41 = @decimal64             // _Decimal64
+| 42 = @decimal128            // _Decimal128
+| 43 = @char16_t
+| 44 = @char32_t
+| 45 = @std_float32           // _Float32
+| 46 = @float32x              // _Float32x
+| 47 = @std_float64           // _Float64
+| 48 = @float64x              // _Float64x
+| 49 = @std_float128          // _Float128
+// ... 50 _Float128x
+| 51 = @char8_t
+| 52 = @float16               // _Float16
+| 53 = @complex_float16       // _Complex _Float16
+| 54 = @fp16                  // __fp16
+| 55 = @std_bfloat16          // __bf16
+| 56 = @std_float16           // std::float16_t
+| 57 = @complex_std_float32   // _Complex _Float32
+| 58 = @complex_float32x      // _Complex _Float32x
+| 59 = @complex_std_float64   // _Complex _Float64
+| 60 = @complex_float64x      // _Complex _Float64x
+| 61 = @complex_std_float128  // _Complex _Float128
+;
+
+builtintypes(
+    unique int id: @builtintype,
+    string name: string ref,
+    int kind: int ref,
+    int size: int ref,
+    int sign: int ref,
+    int alignment: int ref
+);
+
+/**
+ * Derived types are types that are directly derived from existing types and
+ * point to, refer to, transform type data to return a new type.
+ */
+case @derivedtype.kind of
+   1 = @pointer
+|  2 = @reference
+|  3 = @type_with_specifiers
+|  4 = @array
+|  5 = @gnu_vector
+|  6 = @routineptr
+|  7 = @routinereference
+|  8 = @rvalue_reference // C++11
+// ... 9 type_conforming_to_protocols deprecated
+| 10 = @block
+;
+
+derivedtypes(
+    unique int id: @derivedtype,
+    string name: string ref,
+    int kind: int ref,
+    int type_id: @type ref
+);
+
+pointerishsize(unique int id: @derivedtype ref,
+    int size: int ref,
+    int alignment: int ref);
+
+arraysizes(
+    unique int id: @derivedtype ref,
+    int num_elements: int ref,
+    int bytesize: int ref,
+    int alignment: int ref
+);
+
+typedefbase(
+    unique int id: @usertype ref,
+    int type_id: @type ref
+);
+
+/**
+ * An instance of the C++11 `decltype` operator.  For example:
+ * ```
+ * int a;
+ * decltype(1+a) b;
+ * ```
+ * Here `expr` is `1+a`.
+ *
+ * Sometimes an additional pair of parentheses around the expression
+ * would change the semantics of this decltype, e.g.
+ * ```
+ * struct A { double x; };
+ * const A* a = new A();
+ * decltype( a->x ); // type is double
+ * decltype((a->x)); // type is const double&
+ * ```
+ * (Please consult the C++11 standard for more details).
+ * `parentheses_would_change_meaning` is `true` iff that is the case.
+ */
+#keyset[id, expr]
+decltypes(
+    int id: @decltype,
+    int expr: @expr ref,
+    int base_type: @type ref,
+    boolean parentheses_would_change_meaning: boolean ref
+);
+
+/*
+case @usertype.kind of
+|  0 = @unknown_usertype
+|  1 = @struct
+|  2 = @class
+|  3 = @union
+|  4 = @enum
+// ... 5 = @typedef deprecated        // classic C: typedef typedef type name
+// ... 6 = @template deprecated
+|  7 = @template_parameter
+|  8 = @template_template_parameter
+|  9 = @proxy_class                   // a proxy class associated with a template parameter
+// ... 10 objc_class deprecated
+// ... 11 objc_protocol deprecated
+// ... 12 objc_category deprecated
+| 13 = @scoped_enum
+// ... 14 = @using_alias deprecated   // a using name = type style typedef
+| 15 = @template_struct
+| 16 = @template_class
+| 17 = @template_union
+| 18 = @alias
+;
+*/
+
+usertypes(
+    unique int id: @usertype,
+    string name: string ref,
+    int kind: int ref
+);
+
+usertypesize(
+    unique int id: @usertype ref,
+    int size: int ref,
+    int alignment: int ref
+);
+
+usertype_final(unique int id: @usertype ref);
+
+usertype_uuid(
+    unique int id: @usertype ref,
+    string uuid: string ref
+);
+
+/*
+case @usertype.alias_kind of
+| 0 = @typedef
+| 1 = @alias
+*/
+
+usertype_alias_kind(
+    int id: @usertype ref,
+    int alias_kind: int ref
+)
+
+nontype_template_parameters(
+    int id: @expr ref
+);
+
+type_template_type_constraint(
+    int id: @usertype ref,
+    int constraint: @expr ref
+);
+
+mangled_name(
+    unique int id: @declaration ref,
+    int mangled_name : @mangledname,
+    boolean is_complete: boolean ref
+);
+
+is_pod_class(unique int id: @usertype ref);
+is_standard_layout_class(unique int id: @usertype ref);
+
+is_complete(unique int id: @usertype ref);
+
+is_class_template(unique int id: @usertype ref);
+class_instantiation(
+    int to: @usertype ref,
+    int from: @usertype ref
+);
+class_template_argument(
+    int type_id: @usertype ref,
+    int index: int ref,
+    int arg_type: @type ref
+);
+class_template_argument_value(
+    int type_id: @usertype ref,
+    int index: int ref,
+    int arg_value: @expr ref
+);
+
+@user_or_decltype = @usertype | @decltype;
+
+is_proxy_class_for(
+    unique int id: @usertype ref,
+    int templ_param_id: @user_or_decltype ref
+);
+
+type_mentions(
+    unique int id: @type_mention,
+    int type_id: @type ref,
+    int location: @location ref,
+    // a_symbol_reference_kind from the frontend.
+    int kind: int ref
+);
+
+is_function_template(unique int id: @function ref);
+function_instantiation(
+    unique int to: @function ref,
+    int from: @function ref
+);
+function_template_argument(
+    int function_id: @function ref,
+    int index: int ref,
+    int arg_type: @type ref
+);
+function_template_argument_value(
+    int function_id: @function ref,
+    int index: int ref,
+    int arg_value: @expr ref
+);
+
+is_variable_template(unique int id: @variable ref);
+variable_instantiation(
+    unique int to: @variable ref,
+    int from: @variable ref
+);
+variable_template_argument(
+    int variable_id: @variable ref,
+    int index: int ref,
+    int arg_type: @type ref
+);
+variable_template_argument_value(
+    int variable_id: @variable ref,
+    int index: int ref,
+    int arg_value: @expr ref
+);
+
+template_template_instantiation(
+    int to: @usertype ref,
+    int from: @usertype ref
+);
+template_template_argument(
+    int type_id: @usertype ref,
+    int index: int ref,
+    int arg_type: @type ref
+);
+template_template_argument_value(
+    int type_id: @usertype ref,
+    int index: int ref,
+    int arg_value: @expr ref
+);
+
+@concept = @concept_template | @concept_id;
+
+concept_templates(
+    unique int concept_id: @concept_template,
+    string name: string ref,
+    int location: @location_default ref
+);
+concept_instantiation(
+    unique int to: @concept_id ref,
+    int from: @concept_template ref
+);
+is_type_constraint(int concept_id: @concept_id ref);
+concept_template_argument(
+    int concept_id: @concept ref,
+    int index: int ref,
+    int arg_type: @type ref
+);
+concept_template_argument_value(
+    int concept_id: @concept ref,
+    int index: int ref,
+    int arg_value: @expr ref
+);
+
+routinetypes(
+    unique int id: @routinetype,
+    int return_type: @type ref
+);
+
+routinetypeargs(
+    int routine: @routinetype ref,
+    int index: int ref,
+    int type_id: @type ref
+);
+
+ptrtomembers(
+    unique int id: @ptrtomember,
+    int type_id: @type ref,
+    int class_id: @type ref
+);
+
+/*
+ specifiers for types, functions, and variables
+
+    "public",
+    "protected",
+    "private",
+
+    "const",
+    "volatile",
+    "static",
+
+    "pure",
+    "virtual",
+    "sealed", // Microsoft
+    "__interface", // Microsoft
+    "inline",
+    "explicit",
+
+    "near", // near far extension
+    "far", // near far extension
+    "__ptr32", // Microsoft
+    "__ptr64", // Microsoft
+    "__sptr", // Microsoft
+    "__uptr", // Microsoft
+    "dllimport", // Microsoft
+    "dllexport", // Microsoft
+    "thread", // Microsoft
+    "naked", // Microsoft
+    "microsoft_inline", // Microsoft
+    "forceinline", // Microsoft
+    "selectany", // Microsoft
+    "nothrow", // Microsoft
+    "novtable", // Microsoft
+    "noreturn", // Microsoft
+    "noinline", // Microsoft
+    "noalias", // Microsoft
+    "restrict", // Microsoft
+*/
+
+specifiers(
+    unique int id: @specifier,
+    unique string str: string ref
+);
+
+typespecifiers(
+    int type_id: @type ref,
+    int spec_id: @specifier ref
+);
+
+funspecifiers(
+    int func_id: @function ref,
+    int spec_id: @specifier ref
+);
+
+varspecifiers(
+    int var_id: @accessible ref,
+    int spec_id: @specifier ref
+);
+
+explicit_specifier_exprs(
+    unique int func_id: @function ref,
+    int constant: @expr ref
+)
+
+attributes(
+    unique int id: @attribute,
+    int kind: int ref,
+    string name: string ref,
+    string name_space: string ref,
+    int location: @location_default ref
+);
+
+case @attribute.kind of
+  0 = @gnuattribute
+| 1 = @stdattribute
+| 2 = @declspec
+| 3 = @msattribute
+| 4 = @alignas
+// ... 5 @objc_propertyattribute deprecated
+;
+
+attribute_args(
+    unique int id: @attribute_arg,
+    int kind: int ref,
+    int attribute: @attribute ref,
+    int index: int ref,
+    int location: @location_default ref
+);
+
+case @attribute_arg.kind of
+  0 = @attribute_arg_empty
+| 1 = @attribute_arg_token
+| 2 = @attribute_arg_constant
+| 3 = @attribute_arg_type
+| 4 = @attribute_arg_constant_expr
+| 5 = @attribute_arg_expr
+;
+
+attribute_arg_value(
+    unique int arg: @attribute_arg ref,
+    string value: string ref
+);
+attribute_arg_type(
+    unique int arg: @attribute_arg ref,
+    int type_id: @type ref
+);
+attribute_arg_constant(
+    unique int arg: @attribute_arg ref,
+    int constant: @expr ref
+)
+attribute_arg_expr(
+    unique int arg: @attribute_arg ref,
+    int expr: @expr ref
+)
+attribute_arg_name(
+    unique int arg: @attribute_arg ref,
+    string name: string ref
+);
+
+typeattributes(
+    int type_id: @type ref,
+    int spec_id: @attribute ref
+);
+
+funcattributes(
+    int func_id: @function ref,
+    int spec_id: @attribute ref
+);
+
+varattributes(
+    int var_id: @accessible ref,
+    int spec_id: @attribute ref
+);
+
+stmtattributes(
+    int stmt_id: @stmt ref,
+    int spec_id: @attribute ref
+);
+
+@type = @builtintype
+      | @derivedtype
+      | @usertype
+      /* TODO | @fixedpointtype */
+      | @routinetype
+      | @ptrtomember
+      | @decltype;
+
+unspecifiedtype(
+    unique int type_id: @type ref,
+    int unspecified_type_id: @type ref
+);
+
+member(
+    int parent: @type ref,
+    int index: int ref,
+    int child: @member ref
+);
+
+@enclosingfunction_child = @usertype | @variable | @namespace
+
+enclosingfunction(
+    unique int child: @enclosingfunction_child ref,
+    int parent: @function ref
+);
+
+derivations(
+    unique int derivation: @derivation,
+    int sub: @type ref,
+    int index: int ref,
+    int super: @type ref,
+    int location: @location_default ref
+);
+
+derspecifiers(
+    int der_id: @derivation ref,
+    int spec_id: @specifier ref
+);
+
+/**
+ * Contains the byte offset of the base class subobject within the derived
+ * class. Only holds for non-virtual base classes, but see table
+ * `virtual_base_offsets` for offsets of virtual base class subobjects.
+ */
+direct_base_offsets(
+    unique int der_id: @derivation ref,
+    int offset: int ref
+);
+
+/**
+ * Contains the byte offset of the virtual base class subobject for class
+ * `super` within a most-derived object of class `sub`. `super` can be either a
+ * direct or indirect base class.
+ */
+#keyset[sub, super]
+virtual_base_offsets(
+    int sub: @usertype ref,
+    int super: @usertype ref,
+    int offset: int ref
+);
+
+frienddecls(
+    unique int id: @frienddecl,
+    int type_id: @type ref,
+    int decl_id: @declaration ref,
+    int location: @location_default ref
+);
+
+@declaredtype = @usertype ;
+
+@declaration = @function
+             | @declaredtype
+             | @variable
+             | @enumconstant
+             | @frienddecl
+             | @concept_template;
+
+@member = @membervariable
+        | @function
+        | @declaredtype
+        | @enumconstant;
+
+@locatable = @diagnostic
+           | @declaration
+           | @ppd_include
+           | @ppd_define
+           | @macroinvocation
+           /*| @funcall*/
+           | @xmllocatable
+           | @attribute
+           | @attribute_arg;
+
+@namedscope = @namespace | @usertype;
+
+@element = @locatable
+         | @file
+         | @folder
+         | @specifier
+         | @type
+         | @expr
+         | @namespace
+         | @initialiser
+         | @stmt
+         | @derivation
+         | @comment
+         | @preprocdirect
+         | @fun_decl
+         | @var_decl
+         | @type_decl
+         | @namespace_decl
+         | @using
+         | @namequalifier
+         | @specialnamequalifyingelement
+         | @static_assert
+         | @type_mention
+         | @lambdacapture;
+
+@exprparent = @element;
+
+comments(
+    unique int id: @comment,
+    string contents: string ref,
+    int location: @location_default ref
+);
+
+commentbinding(
+    int id: @comment ref,
+    int element: @element ref
+);
+
+exprconv(
+    int converted: @expr ref,
+    unique int conversion: @expr ref
+);
+
+compgenerated(unique int id: @element ref);
+
+/**
+ * `destructor_call` destructs the `i`'th entity that should be
+ * destructed following `element`. Note that entities should be
+ * destructed in reverse construction order, so for a given `element`
+ * these should be called from highest to lowest `i`.
+ */
+#keyset[element, destructor_call]
+#keyset[element, i]
+synthetic_destructor_call(
+    int element: @element ref,
+    int i: int ref,
+    int destructor_call: @routineexpr ref
+);
+
+namespaces(
+    unique int id: @namespace,
+    string name: string ref
+);
+
+namespace_inline(
+    unique int id: @namespace ref
+);
+
+namespacembrs(
+    int parentid: @namespace ref,
+    unique int memberid: @namespacembr ref
+);
+
+@namespacembr = @declaration | @namespace;
+
+exprparents(
+    int expr_id: @expr ref,
+    int child_index: int ref,
+    int parent_id: @exprparent ref
+);
+
+expr_isload(unique int expr_id: @expr ref);
+
+@cast = @c_style_cast
+      | @const_cast
+      | @dynamic_cast
+      | @reinterpret_cast
+      | @static_cast
+      ;
+
+/*
+case @conversion.kind of
+  0 = @simple_conversion           // a numeric conversion, qualification conversion, or a reinterpret_cast
+| 1 = @bool_conversion             // conversion to 'bool'
+| 2 = @base_class_conversion       // a derived-to-base conversion
+| 3 = @derived_class_conversion    // a base-to-derived conversion
+| 4 = @pm_base_class_conversion    // a derived-to-base conversion of a pointer to member
+| 5 = @pm_derived_class_conversion // a base-to-derived conversion of a pointer to member
+| 6 = @glvalue_adjust              // an adjustment of the type of a glvalue
+| 7 = @prvalue_adjust              // an adjustment of the type of a prvalue
+;
+*/
+/**
+ * Describes the semantics represented by a cast expression. This is largely
+ * independent of the source syntax of the cast, so it is separate from the
+ * regular expression kind.
+ */
+conversionkinds(
+    unique int expr_id: @cast ref,
+    int kind: int ref
+);
+
+@conversion = @cast
+            | @array_to_pointer
+            | @parexpr
+            | @reference_to
+            | @ref_indirect
+            | @temp_init
+            | @c11_generic
+            ;
+
+/*
+case @funbindexpr.kind of
+  0 = @normal_call  // a normal call
+| 1 = @virtual_call // a virtual call
+| 2 = @adl_call     // a call whose target is only found by ADL
+;
+*/
+iscall(
+    unique int caller: @funbindexpr ref,
+    int kind: int ref
+);
+
+numtemplatearguments(
+    unique int expr_id: @expr ref,
+    int num: int ref
+);
+
+specialnamequalifyingelements(
+    unique int id: @specialnamequalifyingelement,
+    unique string name: string ref
+);
+
+@namequalifiableelement = @expr | @namequalifier;
+@namequalifyingelement = @namespace
+                       | @specialnamequalifyingelement
+                       | @usertype;
+
+namequalifiers(
+    unique int id: @namequalifier,
+    unique int qualifiableelement: @namequalifiableelement ref,
+    int qualifyingelement: @namequalifyingelement ref,
+    int location: @location_default ref
+);
+
+varbind(
+    int expr: @varbindexpr ref,
+    int var: @accessible ref
+);
+
+funbind(
+    int expr: @funbindexpr ref,
+    int fun: @function ref
+);
+
+@any_new_expr = @new_expr
+              | @new_array_expr;
+
+@new_or_delete_expr = @any_new_expr
+                    | @delete_expr
+                    | @delete_array_expr;
+
+@prefix_crement_expr = @preincrexpr | @predecrexpr;
+
+@postfix_crement_expr = @postincrexpr | @postdecrexpr;
+
+@increment_expr = @preincrexpr | @postincrexpr;
+
+@decrement_expr = @predecrexpr | @postdecrexpr;
+
+@crement_expr = @increment_expr | @decrement_expr;
+
+@un_arith_op_expr = @arithnegexpr
+                  | @unaryplusexpr
+                  | @conjugation
+                  | @realpartexpr
+                  | @imagpartexpr
+                  | @crement_expr
+                  ;
+
+@un_bitwise_op_expr = @complementexpr;
+
+@un_log_op_expr = @notexpr;
+
+@un_op_expr = @address_of
+            | @indirect
+            | @un_arith_op_expr
+            | @un_bitwise_op_expr
+            | @builtinaddressof
+            | @vec_fill
+            | @un_log_op_expr
+            | @co_await
+            | @co_yield
+            ;
+
+@bin_log_op_expr = @andlogicalexpr | @orlogicalexpr;
+
+@cmp_op_expr = @eq_op_expr | @rel_op_expr;
+
+@eq_op_expr = @eqexpr | @neexpr;
+
+@rel_op_expr = @gtexpr
+             | @ltexpr
+             | @geexpr
+             | @leexpr
+             | @spaceshipexpr
+             ;
+
+@bin_bitwise_op_expr = @lshiftexpr
+                     | @rshiftexpr
+                     | @andexpr
+                     | @orexpr
+                     | @xorexpr
+                     ;
+
+@p_arith_op_expr = @paddexpr
+                 | @psubexpr
+                 | @pdiffexpr
+                 ;
+
+@bin_arith_op_expr = @addexpr
+                   | @subexpr
+                   | @mulexpr
+                   | @divexpr
+                   | @remexpr
+                   | @jmulexpr
+                   | @jdivexpr
+                   | @fjaddexpr
+                   | @jfaddexpr
+                   | @fjsubexpr
+                   | @jfsubexpr
+                   | @minexpr
+                   | @maxexpr
+                   | @p_arith_op_expr
+                   ;
+
+@bin_op_expr = @bin_arith_op_expr
+             | @bin_bitwise_op_expr
+             | @cmp_op_expr
+             | @bin_log_op_expr
+             ;
+
+@op_expr = @un_op_expr
+         | @bin_op_expr
+         | @assign_expr
+         | @conditionalexpr
+         ;
+
+@assign_arith_expr = @assignaddexpr
+                   | @assignsubexpr
+                   | @assignmulexpr
+                   | @assigndivexpr
+                   | @assignremexpr
+                   ;
+
+@assign_bitwise_expr = @assignandexpr
+                     | @assignorexpr
+                     | @assignxorexpr
+                     | @assignlshiftexpr
+                     | @assignrshiftexpr
+                     ;
+
+@assign_pointer_expr = @assignpaddexpr
+                     | @assignpsubexpr
+                     ;
+
+@assign_op_expr = @assign_arith_expr
+                | @assign_bitwise_expr
+                | @assign_pointer_expr
+                ;
+
+@assign_expr = @assignexpr | @assign_op_expr | @blockassignexpr
+
+/*
+  Binary encoding of the allocator form.
+
+  case @allocator.form of
+    0 = plain
+  | 1 = alignment
+  ;
+*/
+
+/**
+ * The allocator function associated with a `new` or `new[]` expression.
+ * The `form` column specified whether the allocation call contains an alignment
+ * argument.
+ */
+expr_allocator(
+    unique int expr: @any_new_expr ref,
+    int func: @function ref,
+    int form: int ref
+);
+
+/*
+  Binary encoding of the deallocator form.
+
+  case @deallocator.form of
+    0 = plain
+  | 1 = size
+  | 2 = alignment
+  | 4 = destroying_delete
+  ;
+*/
+
+/**
+ * The deallocator function associated with a `delete`, `delete[]`, `new`, or
+ * `new[]` expression. For a `new` or `new[]` expression, the deallocator is the
+ * one used to free memory if the initialization throws an exception.
+ * The `form` column specifies whether the deallocation call contains a size
+ * argument, and alignment argument, or both.
+ */
+expr_deallocator(
+    unique int expr: @new_or_delete_expr ref,
+    int func: @function ref,
+    int form: int ref
+);
+
+/**
+ * Holds if the `@conditionalexpr` is of the two operand form
+ * `guard ? : false`.
+ */
+expr_cond_two_operand(
+    unique int cond: @conditionalexpr ref
+);
+
+/**
+ * The guard of `@conditionalexpr` `guard ? true : false`
+ */
+expr_cond_guard(
+    unique int cond: @conditionalexpr ref,
+    int guard: @expr ref
+);
+
+/**
+ * The expression used when the guard of `@conditionalexpr`
+ * `guard ? true : false` holds. For the two operand form
+ * `guard ?: false` consider using `expr_cond_guard` instead.
+ */
+expr_cond_true(
+    unique int cond: @conditionalexpr ref,
+    int true: @expr ref
+);
+
+/**
+ * The expression used when the guard of `@conditionalexpr`
+ * `guard ? true : false` does not hold.
+ */
+expr_cond_false(
+    unique int cond: @conditionalexpr ref,
+    int false: @expr ref
+);
+
+/** A string representation of the value. */
+values(
+    unique int id: @value,
+    string str: string ref
+);
+
+/** The actual text in the source code for the value, if any. */
+valuetext(
+    unique int id: @value ref,
+    string text: string ref
+);
+
+valuebind(
+    int val: @value ref,
+    unique int expr: @expr ref
+);
+
+fieldoffsets(
+    unique int id: @variable ref,
+    int byteoffset: int ref,
+    int bitoffset: int ref
+);
+
+bitfield(
+    unique int id: @variable ref,
+    int bits: int ref,
+    int declared_bits: int ref
+);
+
+/* TODO
+memberprefix(
+    int member: @expr ref,
+    int prefix: @expr ref
+);
+*/
+
+/*
+   kind(1) = mbrcallexpr
+   kind(2) = mbrptrcallexpr
+   kind(3) = mbrptrmbrcallexpr
+   kind(4) = ptrmbrptrmbrcallexpr
+   kind(5) = mbrreadexpr // x.y
+   kind(6) = mbrptrreadexpr // p->y
+   kind(7) = mbrptrmbrreadexpr // x.*pm
+   kind(8) = mbrptrmbrptrreadexpr // x->*pm
+   kind(9) = staticmbrreadexpr // static x.y
+   kind(10) = staticmbrptrreadexpr // static p->y
+*/
+/* TODO
+memberaccess(
+    int member: @expr ref,
+    int kind: int ref
+);
+*/
+
+initialisers(
+    unique int init: @initialiser,
+    int var: @accessible ref,
+    unique int expr: @expr ref,
+    int location: @location_expr ref
+);
+
+braced_initialisers(
+    int init: @initialiser ref
+);
+
+/**
+ * An ancestor for the expression, for cases in which we cannot
+ * otherwise find the expression's parent.
+ */
+expr_ancestor(
+    int exp: @expr ref,
+    int ancestor: @element ref
+);
+
+exprs(
+    unique int id: @expr,
+    int kind: int ref,
+    int location: @location_expr ref
+);
+
+expr_reuse(
+    int reuse: @expr ref,
+    int original: @expr ref,
+    int value_category: int ref
+)
+
+/*
+  case @value.category of
+    1 = prval
+  | 2 = xval
+  | 3 = lval
+  ;
+*/
+expr_types(
+    int id: @expr ref,
+    int typeid: @type ref,
+    int value_category: int ref
+);
+
+case @expr.kind of
+    1 = @errorexpr
+|   2 = @address_of // & AddressOfExpr
+|   3 = @reference_to // ReferenceToExpr (implicit?)
+|   4 = @indirect // * PointerDereferenceExpr
+|   5 = @ref_indirect // ReferenceDereferenceExpr (implicit?)
+// ...
+|   8 = @array_to_pointer // (???)
+|   9 = @vacuous_destructor_call // VacuousDestructorCall
+// ...
+|  11 = @assume // Microsoft
+|  12 = @parexpr
+|  13 = @arithnegexpr
+|  14 = @unaryplusexpr
+|  15 = @complementexpr
+|  16 = @notexpr
+|  17 = @conjugation // GNU ~ operator
+|  18 = @realpartexpr // GNU __real
+|  19 = @imagpartexpr // GNU __imag
+|  20 = @postincrexpr
+|  21 = @postdecrexpr
+|  22 = @preincrexpr
+|  23 = @predecrexpr
+|  24 = @conditionalexpr
+|  25 = @addexpr
+|  26 = @subexpr
+|  27 = @mulexpr
+|  28 = @divexpr
+|  29 = @remexpr
+|  30 = @jmulexpr // C99 mul imaginary
+|  31 = @jdivexpr // C99 div imaginary
+|  32 = @fjaddexpr // C99 add real + imaginary
+|  33 = @jfaddexpr // C99 add imaginary + real
+|  34 = @fjsubexpr // C99 sub real - imaginary
+|  35 = @jfsubexpr // C99 sub imaginary - real
+|  36 = @paddexpr // pointer add (pointer + int or int + pointer)
+|  37 = @psubexpr // pointer sub (pointer - integer)
+|  38 = @pdiffexpr // difference between two pointers
+|  39 = @lshiftexpr
+|  40 = @rshiftexpr
+|  41 = @andexpr
+|  42 = @orexpr
+|  43 = @xorexpr
+|  44 = @eqexpr
+|  45 = @neexpr
+|  46 = @gtexpr
+|  47 = @ltexpr
+|  48 = @geexpr
+|  49 = @leexpr
+|  50 = @minexpr // GNU minimum
+|  51 = @maxexpr // GNU maximum
+|  52 = @assignexpr
+|  53 = @assignaddexpr
+|  54 = @assignsubexpr
+|  55 = @assignmulexpr
+|  56 = @assigndivexpr
+|  57 = @assignremexpr
+|  58 = @assignlshiftexpr
+|  59 = @assignrshiftexpr
+|  60 = @assignandexpr
+|  61 = @assignorexpr
+|  62 = @assignxorexpr
+|  63 = @assignpaddexpr // assign pointer add
+|  64 = @assignpsubexpr // assign pointer sub
+|  65 = @andlogicalexpr
+|  66 = @orlogicalexpr
+|  67 = @commaexpr
+|  68 = @subscriptexpr // access to member of an array, e.g., a[5]
+// ...  69 @objc_subscriptexpr deprecated
+// ...  70 @cmdaccess deprecated
+// ...
+|  73 = @virtfunptrexpr
+|  74 = @callexpr
+// ...  75 @msgexpr_normal deprecated
+// ...  76 @msgexpr_super deprecated
+// ...  77 @atselectorexpr deprecated
+// ...  78 @atprotocolexpr deprecated
+|  79 = @vastartexpr
+|  80 = @vaargexpr
+|  81 = @vaendexpr
+|  82 = @vacopyexpr
+// ...  83 @atencodeexpr deprecated
+|  84 = @varaccess
+|  85 = @thisaccess
+// ...  86 @objc_box_expr deprecated
+|  87 = @new_expr
+|  88 = @delete_expr
+|  89 = @throw_expr
+|  90 = @condition_decl // a variable declared in a condition, e.g., if(int x = y > 2)
+|  91 = @braced_init_list
+|  92 = @type_id
+|  93 = @runtime_sizeof
+|  94 = @runtime_alignof
+|  95 = @sizeof_pack
+|  96 = @expr_stmt // GNU extension
+|  97 = @routineexpr
+|  98 = @type_operand // used to access a type in certain contexts (haven't found any examples yet....)
+|  99 = @offsetofexpr // offsetof ::= type and field
+| 100 = @hasassignexpr // __has_assign ::= type
+| 101 = @hascopyexpr // __has_copy ::= type
+| 102 = @hasnothrowassign // __has_nothrow_assign ::= type
+| 103 = @hasnothrowconstr // __has_nothrow_constructor ::= type
+| 104 = @hasnothrowcopy // __has_nothrow_copy ::= type
+| 105 = @hastrivialassign // __has_trivial_assign ::= type
+| 106 = @hastrivialconstr // __has_trivial_constructor ::= type
+| 107 = @hastrivialcopy // __has_trivial_copy ::= type
+| 108 = @hasuserdestr // __has_user_destructor ::= type
+| 109 = @hasvirtualdestr // __has_virtual_destructor ::= type
+| 110 = @isabstractexpr // __is_abstract ::= type
+| 111 = @isbaseofexpr // __is_base_of ::= type type
+| 112 = @isclassexpr // __is_class ::= type
+| 113 = @isconvtoexpr // __is_convertible_to ::= type type
+| 114 = @isemptyexpr // __is_empty ::= type
+| 115 = @isenumexpr // __is_enum ::= type
+| 116 = @ispodexpr // __is_pod ::= type
+| 117 = @ispolyexpr // __is_polymorphic ::= type
+| 118 = @isunionexpr // __is_union ::= type
+| 119 = @typescompexpr // GNU __builtin_types_compatible ::= type type
+| 120 = @intaddrexpr // frontend internal builtin, used to implement offsetof
+// ...
+| 122 = @hastrivialdestructor // __has_trivial_destructor ::= type
+| 123 = @literal
+| 124 = @uuidof
+| 127 = @aggregateliteral
+| 128 = @delete_array_expr
+| 129 = @new_array_expr
+// ... 130 @objc_array_literal deprecated
+// ... 131 @objc_dictionary_literal deprecated
+| 132 = @foldexpr
+// ...
+| 200 = @ctordirectinit
+| 201 = @ctorvirtualinit
+| 202 = @ctorfieldinit
+| 203 = @ctordelegatinginit
+| 204 = @dtordirectdestruct
+| 205 = @dtorvirtualdestruct
+| 206 = @dtorfielddestruct
+// ...
+| 210 = @static_cast
+| 211 = @reinterpret_cast
+| 212 = @const_cast
+| 213 = @dynamic_cast
+| 214 = @c_style_cast
+| 215 = @lambdaexpr
+| 216 = @param_ref
+| 217 = @noopexpr
+// ...
+| 294 = @istriviallyconstructibleexpr
+| 295 = @isdestructibleexpr
+| 296 = @isnothrowdestructibleexpr
+| 297 = @istriviallydestructibleexpr
+| 298 = @istriviallyassignableexpr
+| 299 = @isnothrowassignableexpr
+| 300 = @istrivialexpr
+| 301 = @isstandardlayoutexpr
+| 302 = @istriviallycopyableexpr
+| 303 = @isliteraltypeexpr
+| 304 = @hastrivialmoveconstructorexpr
+| 305 = @hastrivialmoveassignexpr
+| 306 = @hasnothrowmoveassignexpr
+| 307 = @isconstructibleexpr
+| 308 = @isnothrowconstructibleexpr
+| 309 = @hasfinalizerexpr
+| 310 = @isdelegateexpr
+| 311 = @isinterfaceclassexpr
+| 312 = @isrefarrayexpr
+| 313 = @isrefclassexpr
+| 314 = @issealedexpr
+| 315 = @issimplevalueclassexpr
+| 316 = @isvalueclassexpr
+| 317 = @isfinalexpr
+| 319 = @noexceptexpr
+| 320 = @builtinshufflevector
+| 321 = @builtinchooseexpr
+| 322 = @builtinaddressof
+| 323 = @vec_fill
+| 324 = @builtinconvertvector
+| 325 = @builtincomplex
+| 326 = @spaceshipexpr
+| 327 = @co_await
+| 328 = @co_yield
+| 329 = @temp_init
+| 330 = @isassignable
+| 331 = @isaggregate
+| 332 = @hasuniqueobjectrepresentations
+| 333 = @builtinbitcast
+| 334 = @builtinshuffle
+| 335 = @blockassignexpr
+| 336 = @issame
+| 337 = @isfunction
+| 338 = @islayoutcompatible
+| 339 = @ispointerinterconvertiblebaseof
+| 340 = @isarray
+| 341 = @arrayrank
+| 342 = @arrayextent
+| 343 = @isarithmetic
+| 344 = @iscompletetype
+| 345 = @iscompound
+| 346 = @isconst
+| 347 = @isfloatingpoint
+| 348 = @isfundamental
+| 349 = @isintegral
+| 350 = @islvaluereference
+| 351 = @ismemberfunctionpointer
+| 352 = @ismemberobjectpointer
+| 353 = @ismemberpointer
+| 354 = @isobject
+| 355 = @ispointer
+| 356 = @isreference
+| 357 = @isrvaluereference
+| 358 = @isscalar
+| 359 = @issigned
+| 360 = @isunsigned
+| 361 = @isvoid
+| 362 = @isvolatile
+| 363 = @reuseexpr
+| 364 = @istriviallycopyassignable
+| 365 = @isassignablenopreconditioncheck
+| 366 = @referencebindstotemporary
+| 367 = @issameas
+| 368 = @builtinhasattribute
+| 369 = @ispointerinterconvertiblewithclass
+| 370 = @builtinispointerinterconvertiblewithclass
+| 371 = @iscorrespondingmember
+| 372 = @builtiniscorrespondingmember
+| 373 = @isboundedarray
+| 374 = @isunboundedarray
+| 375 = @isreferenceable
+| 378 = @isnothrowconvertible
+| 379 = @referenceconstructsfromtemporary
+| 380 = @referenceconvertsfromtemporary
+| 381 = @isconvertible
+| 382 = @isvalidwinrttype
+| 383 = @iswinclass
+| 384 = @iswininterface
+| 385 = @istriviallyequalitycomparable
+| 386 = @isscopedenum
+| 387 = @istriviallyrelocatable
+| 388 = @datasizeof
+| 389 = @c11_generic
+| 390 = @requires_expr
+| 391 = @nested_requirement
+| 392 = @compound_requirement
+| 393 = @concept_id
+;
+
+@var_args_expr = @vastartexpr
+               | @vaendexpr
+               | @vaargexpr
+               | @vacopyexpr
+               ;
+
+@builtin_op = @var_args_expr
+            | @noopexpr
+            | @offsetofexpr
+            | @intaddrexpr
+            | @hasassignexpr
+            | @hascopyexpr
+            | @hasnothrowassign
+            | @hasnothrowconstr
+            | @hasnothrowcopy
+            | @hastrivialassign
+            | @hastrivialconstr
+            | @hastrivialcopy
+            | @hastrivialdestructor
+            | @hasuserdestr
+            | @hasvirtualdestr
+            | @isabstractexpr
+            | @isbaseofexpr
+            | @isclassexpr
+            | @isconvtoexpr
+            | @isemptyexpr
+            | @isenumexpr
+            | @ispodexpr
+            | @ispolyexpr
+            | @isunionexpr
+            | @typescompexpr
+            | @builtinshufflevector
+            | @builtinconvertvector
+            | @builtinaddressof
+            | @istriviallyconstructibleexpr
+            | @isdestructibleexpr
+            | @isnothrowdestructibleexpr
+            | @istriviallydestructibleexpr
+            | @istriviallyassignableexpr
+            | @isnothrowassignableexpr
+            | @istrivialexpr
+            | @isstandardlayoutexpr
+            | @istriviallycopyableexpr
+            | @isliteraltypeexpr
+            | @hastrivialmoveconstructorexpr
+            | @hastrivialmoveassignexpr
+            | @hasnothrowmoveassignexpr
+            | @isconstructibleexpr
+            | @isnothrowconstructibleexpr
+            | @hasfinalizerexpr
+            | @isdelegateexpr
+            | @isinterfaceclassexpr
+            | @isrefarrayexpr
+            | @isrefclassexpr
+            | @issealedexpr
+            | @issimplevalueclassexpr
+            | @isvalueclassexpr
+            | @isfinalexpr
+            | @builtinchooseexpr
+            | @builtincomplex
+            | @isassignable
+            | @isaggregate
+            | @hasuniqueobjectrepresentations
+            | @builtinbitcast
+            | @builtinshuffle
+            | @issame
+            | @isfunction
+            | @islayoutcompatible
+            | @ispointerinterconvertiblebaseof
+            | @isarray
+            | @arrayrank
+            | @arrayextent
+            | @isarithmetic
+            | @iscompletetype
+            | @iscompound
+            | @isconst
+            | @isfloatingpoint
+            | @isfundamental
+            | @isintegral
+            | @islvaluereference
+            | @ismemberfunctionpointer
+            | @ismemberobjectpointer
+            | @ismemberpointer
+            | @isobject
+            | @ispointer
+            | @isreference
+            | @isrvaluereference
+            | @isscalar
+            | @issigned
+            | @isunsigned
+            | @isvoid
+            | @isvolatile
+            | @istriviallycopyassignable
+            | @isassignablenopreconditioncheck
+            | @referencebindstotemporary
+            | @issameas
+            | @builtinhasattribute
+            | @ispointerinterconvertiblewithclass
+            | @builtinispointerinterconvertiblewithclass
+            | @iscorrespondingmember
+            | @builtiniscorrespondingmember
+            | @isboundedarray
+            | @isunboundedarray
+            | @isreferenceable
+            | @isnothrowconvertible
+            | @referenceconstructsfromtemporary
+            | @referenceconvertsfromtemporary
+            | @isconvertible
+            | @isvalidwinrttype
+            | @iswinclass
+            | @iswininterface
+            | @istriviallyequalitycomparable
+            | @isscopedenum
+            | @istriviallyrelocatable
+            ;
+
+compound_requirement_is_noexcept(
+    int expr: @compound_requirement ref
+);
+
+new_allocated_type(
+    unique int expr: @new_expr ref,
+    int type_id: @type ref
+);
+
+new_array_allocated_type(
+    unique int expr: @new_array_expr ref,
+    int type_id: @type ref
+);
+
+/**
+ * The field being initialized by an initializer expression within an aggregate
+ * initializer for a class/struct/union. Position is used to sort repeated initializers.
+ */
+#keyset[aggregate, position]
+aggregate_field_init(
+    int aggregate: @aggregateliteral ref,
+    int initializer: @expr ref,
+    int field: @membervariable ref,
+    int position: int ref
+);
+
+/**
+ * The index of the element being initialized by an initializer expression
+ * within an aggregate initializer for an array. Position is used to sort repeated initializers.
+ */
+#keyset[aggregate, position]
+aggregate_array_init(
+    int aggregate: @aggregateliteral ref,
+    int initializer: @expr ref,
+    int element_index: int ref,
+    int position: int ref
+);
+
+@ctorinit = @ctordirectinit
+          | @ctorvirtualinit
+          | @ctorfieldinit
+          | @ctordelegatinginit;
+@dtordestruct = @dtordirectdestruct
+              | @dtorvirtualdestruct
+              | @dtorfielddestruct;
+
+
+condition_decl_bind(
+    unique int expr: @condition_decl ref,
+    unique int decl: @declaration ref
+);
+
+typeid_bind(
+    unique int expr: @type_id ref,
+    int type_id: @type ref
+);
+
+uuidof_bind(
+    unique int expr: @uuidof ref,
+    int type_id: @type ref
+);
+
+@sizeof_or_alignof = @runtime_sizeof | @runtime_alignof | @datasizeof | @sizeof_pack;
+
+sizeof_bind(
+    unique int expr: @sizeof_or_alignof ref,
+    int type_id: @type ref
+);
+
+code_block(
+    unique int block: @literal ref,
+    unique int routine: @function ref
+);
+
+lambdas(
+    unique int expr: @lambdaexpr ref,
+    string default_capture: string ref,
+    boolean has_explicit_return_type: boolean ref
+);
+
+lambda_capture(
+    unique int id: @lambdacapture,
+    int lambda: @lambdaexpr ref,
+    int index: int ref,
+    int field: @membervariable ref,
+    boolean captured_by_reference: boolean ref,
+    boolean is_implicit: boolean ref,
+    int location: @location_default ref
+);
+
+@funbindexpr = @routineexpr
+             | @new_expr
+             | @delete_expr
+             | @delete_array_expr
+             | @ctordirectinit
+             | @ctorvirtualinit
+             | @ctordelegatinginit
+             | @dtordirectdestruct
+             | @dtorvirtualdestruct;
+
+@varbindexpr = @varaccess | @ctorfieldinit | @dtorfielddestruct;
+@addressable = @function | @variable ;
+@accessible = @addressable | @enumconstant ;
+
+@access = @varaccess | @routineexpr ;
+
+fold(
+    int expr: @foldexpr ref,
+    string operator: string ref,
+    boolean is_left_fold: boolean ref
+);
+
+stmts(
+    unique int id: @stmt,
+    int kind: int ref,
+    int location: @location_stmt ref
+);
+
+case @stmt.kind of
+    1 = @stmt_expr
+|   2 = @stmt_if
+|   3 = @stmt_while
+|   4 = @stmt_goto
+|   5 = @stmt_label
+|   6 = @stmt_return
+|   7 = @stmt_block
+|   8 = @stmt_end_test_while // do { ... } while ( ... )
+|   9 = @stmt_for
+|  10 = @stmt_switch_case
+|  11 = @stmt_switch
+|  13 = @stmt_asm // "asm" statement or the body of an asm function
+|  15 = @stmt_try_block
+|  16 = @stmt_microsoft_try // Microsoft
+|  17 = @stmt_decl
+|  18 = @stmt_set_vla_size // C99
+|  19 = @stmt_vla_decl // C99
+|  25 = @stmt_assigned_goto // GNU
+|  26 = @stmt_empty
+|  27 = @stmt_continue
+|  28 = @stmt_break
+|  29 = @stmt_range_based_for // C++11
+// ...  30 @stmt_at_autoreleasepool_block deprecated
+// ...  31 @stmt_objc_for_in deprecated
+// ...  32 @stmt_at_synchronized deprecated
+|  33 = @stmt_handler
+// ...  34 @stmt_finally_end deprecated
+|  35 = @stmt_constexpr_if
+|  37 = @stmt_co_return
+|  38 = @stmt_consteval_if
+|  39 = @stmt_not_consteval_if
+;
+
+type_vla(
+    int type_id: @type ref,
+    int decl: @stmt_vla_decl ref
+);
+
+variable_vla(
+    int var: @variable ref,
+    int decl: @stmt_vla_decl ref
+);
+
+type_is_vla(unique int type_id: @derivedtype ref)
+
+if_initialization(
+    unique int if_stmt: @stmt_if ref,
+    int init_id: @stmt ref
+);
+
+if_then(
+    unique int if_stmt: @stmt_if ref,
+    int then_id: @stmt ref
+);
+
+if_else(
+    unique int if_stmt: @stmt_if ref,
+    int else_id: @stmt ref
+);
+
+constexpr_if_initialization(
+    unique int constexpr_if_stmt: @stmt_constexpr_if ref,
+    int init_id: @stmt ref
+);
+
+constexpr_if_then(
+    unique int constexpr_if_stmt: @stmt_constexpr_if ref,
+    int then_id: @stmt ref
+);
+
+constexpr_if_else(
+    unique int constexpr_if_stmt: @stmt_constexpr_if ref,
+    int else_id: @stmt ref
+);
+
+@stmt_consteval_or_not_consteval_if = @stmt_consteval_if | @stmt_not_consteval_if;
+
+consteval_if_then(
+    unique int constexpr_if_stmt: @stmt_consteval_or_not_consteval_if ref,
+    int then_id: @stmt ref
+);
+
+consteval_if_else(
+    unique int constexpr_if_stmt: @stmt_consteval_or_not_consteval_if ref,
+    int else_id: @stmt ref
+);
+
+while_body(
+    unique int while_stmt: @stmt_while ref,
+    int body_id: @stmt ref
+);
+
+do_body(
+    unique int do_stmt: @stmt_end_test_while ref,
+    int body_id: @stmt ref
+);
+
+switch_initialization(
+    unique int switch_stmt: @stmt_switch ref,
+    int init_id: @stmt ref
+);
+
+#keyset[switch_stmt, index]
+switch_case(
+    int switch_stmt: @stmt_switch ref,
+    int index: int ref,
+    int case_id: @stmt_switch_case ref
+);
+
+switch_body(
+    unique int switch_stmt: @stmt_switch ref,
+    int body_id: @stmt ref
+);
+
+@stmt_for_or_range_based_for = @stmt_for
+                             | @stmt_range_based_for;
+
+for_initialization(
+    unique int for_stmt: @stmt_for_or_range_based_for ref,
+    int init_id: @stmt ref
+);
+
+for_condition(
+    unique int for_stmt: @stmt_for ref,
+    int condition_id: @expr ref
+);
+
+for_update(
+    unique int for_stmt: @stmt_for ref,
+    int update_id: @expr ref
+);
+
+for_body(
+    unique int for_stmt: @stmt_for ref,
+    int body_id: @stmt ref
+);
+
+@stmtparent = @stmt | @expr_stmt ;
+stmtparents(
+    unique int id: @stmt ref,
+    int index: int ref,
+    int parent: @stmtparent ref
+);
+
+ishandler(unique int block: @stmt_block ref);
+
+@cfgnode = @stmt | @expr | @function | @initialiser ;
+
+stmt_decl_bind(
+    int stmt: @stmt_decl ref,
+    int num: int ref,
+    int decl: @declaration ref
+);
+
+stmt_decl_entry_bind(
+    int stmt: @stmt_decl ref,
+    int num: int ref,
+    int decl_entry: @element ref
+);
+
+@parameterized_element = @function | @stmt_block | @requires_expr;
+
+blockscope(
+    unique int block: @stmt_block ref,
+    int enclosing: @parameterized_element ref
+);
+
+@jump = @stmt_goto | @stmt_break | @stmt_continue;
+
+@jumporlabel = @jump | @stmt_label | @literal;
+
+jumpinfo(
+    unique int id: @jumporlabel ref,
+    string str: string ref,
+    int target: @stmt ref
+);
+
+preprocdirects(
+    unique int id: @preprocdirect,
+    int kind: int ref,
+    int location: @location_default ref
+);
+case @preprocdirect.kind of
+   0 = @ppd_if
+|  1 = @ppd_ifdef
+|  2 = @ppd_ifndef
+|  3 = @ppd_elif
+|  4 = @ppd_else
+|  5 = @ppd_endif
+|  6 = @ppd_plain_include
+|  7 = @ppd_define
+|  8 = @ppd_undef
+|  9 = @ppd_line
+| 10 = @ppd_error
+| 11 = @ppd_pragma
+| 12 = @ppd_objc_import
+| 13 = @ppd_include_next
+| 14 = @ppd_ms_import
+| 15 = @ppd_elifdef
+| 16 = @ppd_elifndef
+| 18 = @ppd_warning
+;
+
+@ppd_include = @ppd_plain_include | @ppd_objc_import | @ppd_include_next | @ppd_ms_import;
+
+@ppd_branch = @ppd_if | @ppd_ifdef | @ppd_ifndef | @ppd_elif | @ppd_elifdef | @ppd_elifndef;
+
+preprocpair(
+    int begin : @ppd_branch ref,
+    int elseelifend : @preprocdirect ref
+);
+
+preproctrue(int branch : @ppd_branch ref);
+preprocfalse(int branch : @ppd_branch ref);
+
+preproctext(
+    unique int id: @preprocdirect ref,
+    string head: string ref,
+    string body: string ref
+);
+
+includes(
+    unique int id: @ppd_include ref,
+    int included: @file ref
+);
+
+link_targets(
+    int id: @link_target,
+    int binary: @file ref
+);
+
+link_parent(
+    int element : @element ref,
+    int link_target : @link_target ref
+);
+
+/* XML Files */
+
+xmlEncoding(unique int id: @file ref, string encoding: string ref);
+
+xmlDTDs(
+    unique int id: @xmldtd,
+    string root: string ref,
+    string publicId: string ref,
+    string systemId: string ref,
+    int fileid: @file ref
+);
+
+xmlElements(
+    unique int id: @xmlelement,
+    string name: string ref,
+    int parentid: @xmlparent ref,
+    int idx: int ref,
+    int fileid: @file ref
+);
+
+xmlAttrs(
+    unique int id: @xmlattribute,
+    int elementid: @xmlelement ref,
+    string name: string ref,
+    string value: string ref,
+    int idx: int ref,
+    int fileid: @file ref
+);
+
+xmlNs(
+    int id: @xmlnamespace,
+    string prefixName: string ref,
+    string URI: string ref,
+    int fileid: @file ref
+);
+
+xmlHasNs(
+    int elementId: @xmlnamespaceable ref,
+    int nsId: @xmlnamespace ref,
+    int fileid: @file ref
+);
+
+xmlComments(
+    unique int id: @xmlcomment,
+    string text: string ref,
+    int parentid: @xmlparent ref,
+    int fileid: @file ref
+);
+
+xmlChars(
+    unique int id: @xmlcharacters,
+    string text: string ref,
+    int parentid: @xmlparent ref,
+    int idx: int ref,
+    int isCDATA: int ref,
+    int fileid: @file ref
+);
+
+@xmlparent = @file | @xmlelement;
+@xmlnamespaceable = @xmlelement | @xmlattribute;
+
+xmllocations(
+    int xmlElement: @xmllocatable ref,
+    int location: @location_default ref
+);
+
+@xmllocatable = @xmlcharacters
+              | @xmlelement
+              | @xmlcomment
+              | @xmlattribute
+              | @xmldtd
+              | @file
+              | @xmlnamespace;
diff --git a/cpp/downgrades/2e2d805ef93d060b813403cb9b51dc72455a4c68/upgrade.properties b/cpp/downgrades/2e2d805ef93d060b813403cb9b51dc72455a4c68/upgrade.properties
new file mode 100644
index 000000000000..b7e78b39ee7a
--- /dev/null
+++ b/cpp/downgrades/2e2d805ef93d060b813403cb9b51dc72455a4c68/upgrade.properties
@@ -0,0 +1,4 @@
+description: add `isDesignatorInit`predicate to `ArrayOrVectorAggregateLiteral` and `ClassAggregateLiteral`
+compatibility: backwards
+aggregate_array_init.rel: run aggregate_array_init.qlo
+aggregate_field_init.rel: run aggregate_field_init.qlo
\ No newline at end of file
diff --git a/cpp/ql/lib/upgrades/0f0a390468a5eb43d1dc72937c028070b106bf53/aggregate_array_init.ql b/cpp/ql/lib/upgrades/0f0a390468a5eb43d1dc72937c028070b106bf53/aggregate_array_init.ql
new file mode 100644
index 000000000000..9d09506d2d46
--- /dev/null
+++ b/cpp/ql/lib/upgrades/0f0a390468a5eb43d1dc72937c028070b106bf53/aggregate_array_init.ql
@@ -0,0 +1,11 @@
+class Expr extends @expr {
+  string toString() { none() }
+}
+
+class AggregateLiteral extends Expr, @aggregateliteral {
+  override string toString() { none() }
+}
+
+from AggregateLiteral aggregate, Expr initializer, int element_index, int position
+where aggregate_array_init(aggregate, initializer, element_index, position)
+select aggregate, initializer, element_index, position, false
diff --git a/cpp/ql/lib/upgrades/0f0a390468a5eb43d1dc72937c028070b106bf53/aggregate_field_init.ql b/cpp/ql/lib/upgrades/0f0a390468a5eb43d1dc72937c028070b106bf53/aggregate_field_init.ql
new file mode 100644
index 000000000000..dd300af4c22c
--- /dev/null
+++ b/cpp/ql/lib/upgrades/0f0a390468a5eb43d1dc72937c028070b106bf53/aggregate_field_init.ql
@@ -0,0 +1,15 @@
+class Expr extends @expr {
+  string toString() { none() }
+}
+
+class AggregateLiteral extends Expr, @aggregateliteral {
+  override string toString() { none() }
+}
+
+class MemberVariable extends @membervariable {
+  string toString() { none() }
+}
+
+from AggregateLiteral aggregate, Expr initializer, MemberVariable field, int position
+where aggregate_field_init(aggregate, initializer, field, position)
+select aggregate, initializer, field, position, false
diff --git a/cpp/ql/lib/upgrades/0f0a390468a5eb43d1dc72937c028070b106bf53/old.dbscheme b/cpp/ql/lib/upgrades/0f0a390468a5eb43d1dc72937c028070b106bf53/old.dbscheme
new file mode 100644
index 000000000000..0f0a390468a5
--- /dev/null
+++ b/cpp/ql/lib/upgrades/0f0a390468a5eb43d1dc72937c028070b106bf53/old.dbscheme
@@ -0,0 +1,2446 @@
+
+/**
+ * An invocation of the compiler. Note that more than one file may be
+ * compiled per invocation. For example, this command compiles three
+ * source files:
+ *
+ *   gcc -c f1.c f2.c f3.c
+ *
+ * The `id` simply identifies the invocation, while `cwd` is the working
+ * directory from which the compiler was invoked.
+ */
+compilations(
+    /**
+     * An invocation of the compiler. Note that more than one file may
+     * be compiled per invocation. For example, this command compiles
+     * three source files:
+     *
+     *   gcc -c f1.c f2.c f3.c
+     */
+    unique int id : @compilation,
+    string cwd : string ref
+);
+
+/**
+ * The arguments that were passed to the extractor for a compiler
+ * invocation. If `id` is for the compiler invocation
+ *
+ *   gcc -c f1.c f2.c f3.c
+ *
+ * then typically there will be rows for
+ *
+ * num | arg
+ * --- | ---
+ * 0   | *path to extractor*
+ * 1   | `--mimic`
+ * 2   | `/usr/bin/gcc`
+ * 3   | `-c`
+ * 4   | f1.c
+ * 5   | f2.c
+ * 6   | f3.c
+ */
+#keyset[id, num]
+compilation_args(
+    int id : @compilation ref,
+    int num : int ref,
+    string arg : string ref
+);
+
+/**
+ * Optionally, record the build mode for each compilation.
+ */
+compilation_build_mode(
+    unique int id : @compilation ref,
+    int mode : int ref
+);
+
+/*
+case @compilation_build_mode.mode of
+  0 = @build_mode_none
+| 1 = @build_mode_manual
+| 2 = @build_mode_auto
+;
+*/
+
+/**
+ * The source files that are compiled by a compiler invocation.
+ * If `id` is for the compiler invocation
+ *
+ *   gcc -c f1.c f2.c f3.c
+ *
+ * then there will be rows for
+ *
+ * num | arg
+ * --- | ---
+ * 0   | f1.c
+ * 1   | f2.c
+ * 2   | f3.c
+ *
+ * Note that even if those files `#include` headers, those headers
+ * do not appear as rows.
+ */
+#keyset[id, num]
+compilation_compiling_files(
+    int id : @compilation ref,
+    int num : int ref,
+    int file : @file ref
+);
+
+/**
+ * The time taken by the extractor for a compiler invocation.
+ *
+ * For each file `num`, there will be rows for
+ *
+ * kind | seconds
+ * ---- | ---
+ * 1    | CPU seconds used by the extractor frontend
+ * 2    | Elapsed seconds during the extractor frontend
+ * 3    | CPU seconds used by the extractor backend
+ * 4    | Elapsed seconds during the extractor backend
+ */
+#keyset[id, num, kind]
+compilation_time(
+    int id : @compilation ref,
+    int num : int ref,
+    /* kind:
+       1 = frontend_cpu_seconds
+       2 = frontend_elapsed_seconds
+       3 = extractor_cpu_seconds
+       4 = extractor_elapsed_seconds
+    */
+    int kind : int ref,
+    float seconds : float ref
+);
+
+/**
+ * An error or warning generated by the extractor.
+ * The diagnostic message `diagnostic` was generated during compiler
+ * invocation `compilation`, and is the `file_number_diagnostic_number`th
+ * message generated while extracting the `file_number`th file of that
+ * invocation.
+ */
+#keyset[compilation, file_number, file_number_diagnostic_number]
+diagnostic_for(
+    int diagnostic : @diagnostic ref,
+    int compilation : @compilation ref,
+    int file_number : int ref,
+    int file_number_diagnostic_number : int ref
+);
+
+/**
+ * If extraction was successful, then `cpu_seconds` and
+ * `elapsed_seconds` are the CPU time and elapsed time (respectively)
+ * that extraction took for compiler invocation `id`.
+ */
+compilation_finished(
+    unique int id : @compilation ref,
+    float cpu_seconds : float ref,
+    float elapsed_seconds : float ref
+);
+
+
+/**
+ * External data, loaded from CSV files during snapshot creation. See
+ * [Tutorial: Incorporating external data](https://help.semmle.com/wiki/display/SD/Tutorial%3A+Incorporating+external+data)
+ * for more information.
+ */
+externalData(
+    int id : @externalDataElement,
+    string path : string ref,
+    int column: int ref,
+    string value : string ref
+);
+
+/**
+ * The source location of the snapshot.
+ */
+sourceLocationPrefix(string prefix : string ref);
+
+/**
+ * Information about packages that provide code used during compilation.
+ * The `id` is just a unique identifier.
+ * The `namespace` is typically the name of the package manager that
+ * provided the package (e.g. "dpkg" or "yum").
+ * The `package_name` is the name of the package, and `version` is its
+ * version (as a string).
+ */
+external_packages(
+    unique int id: @external_package,
+    string namespace : string ref,
+    string package_name : string ref,
+    string version : string ref
+);
+
+/**
+ * Holds if File `fileid` was provided by package `package`.
+ */
+header_to_external_package(
+    int fileid : @file ref,
+    int package : @external_package ref
+);
+
+/*
+ * Version history
+ */
+
+svnentries(
+    unique int id : @svnentry,
+    string revision : string ref,
+    string author : string ref,
+    date revisionDate : date ref,
+    int changeSize : int ref
+)
+
+svnaffectedfiles(
+    int id : @svnentry ref,
+    int file : @file ref,
+    string action : string ref
+)
+
+svnentrymsg(
+    unique int id : @svnentry ref,
+    string message : string ref
+)
+
+svnchurn(
+    int commit : @svnentry ref,
+    int file : @file ref,
+    int addedLines : int ref,
+    int deletedLines : int ref
+)
+
+/*
+ * C++ dbscheme
+ */
+
+extractor_version(
+    string codeql_version: string ref,
+    string frontend_version: string ref
+)
+
+@location = @location_stmt | @location_expr | @location_default ;
+
+/**
+ * The location of an element that is not an expression or a statement.
+ * The location spans column `startcolumn` of line `startline` to
+ * column `endcolumn` of line `endline` in file `file`.
+ * For more information, see
+ * [Locations](https://codeql.github.com/docs/writing-codeql-queries/providing-locations-in-codeql-queries/).
+ */
+locations_default(
+    /** The location of an element that is not an expression or a statement. */
+    unique int id: @location_default,
+    int container: @container ref,
+    int startLine: int ref,
+    int startColumn: int ref,
+    int endLine: int ref,
+    int endColumn: int ref
+);
+
+/**
+ * The location of a statement.
+ * The location spans column `startcolumn` of line `startline` to
+ * column `endcolumn` of line `endline` in file `file`.
+ * For more information, see
+ * [Locations](https://codeql.github.com/docs/writing-codeql-queries/providing-locations-in-codeql-queries/).
+ */
+locations_stmt(
+    /** The location of a statement. */
+    unique int id: @location_stmt,
+    int container: @container ref,
+    int startLine: int ref,
+    int startColumn: int ref,
+    int endLine: int ref,
+    int endColumn: int ref
+);
+
+/**
+ * The location of an expression.
+ * The location spans column `startcolumn` of line `startline` to
+ * column `endcolumn` of line `endline` in file `file`.
+ * For more information, see
+ * [Locations](https://codeql.github.com/docs/writing-codeql-queries/providing-locations-in-codeql-queries/).
+ */
+locations_expr(
+    /** The location of an expression. */
+    unique int id: @location_expr,
+    int container: @container ref,
+    int startLine: int ref,
+    int startColumn: int ref,
+    int endLine: int ref,
+    int endColumn: int ref
+);
+
+/** An element for which line-count information is available. */
+@sourceline = @file | @function | @variable | @enumconstant | @xmllocatable;
+
+numlines(
+    int element_id: @sourceline ref,
+    int num_lines: int ref,
+    int num_code: int ref,
+    int num_comment: int ref
+);
+
+diagnostics(
+    unique int id: @diagnostic,
+    int severity: int ref,
+    string error_tag: string ref,
+    string error_message: string ref,
+    string full_error_message: string ref,
+    int location: @location_default ref
+);
+
+files(
+    unique int id: @file,
+    string name: string ref
+);
+
+folders(
+    unique int id: @folder,
+    string name: string ref
+);
+
+@container = @folder | @file
+
+containerparent(
+    int parent: @container ref,
+    unique int child: @container ref
+);
+
+fileannotations(
+    int id: @file ref,
+    int kind: int ref,
+    string name: string ref,
+    string value: string ref
+);
+
+inmacroexpansion(
+    int id: @element ref,
+    int inv: @macroinvocation ref
+);
+
+affectedbymacroexpansion(
+    int id: @element ref,
+    int inv: @macroinvocation ref
+);
+
+case @macroinvocation.kind of
+  1 = @macro_expansion
+| 2 = @other_macro_reference
+;
+
+macroinvocations(
+    unique int id: @macroinvocation,
+    int macro_id: @ppd_define ref,
+    int location: @location_default ref,
+    int kind: int ref
+);
+
+macroparent(
+    unique int id: @macroinvocation ref,
+    int parent_id: @macroinvocation ref
+);
+
+// a macroinvocation may be part of another location
+// the way to find a constant expression that uses a macro
+// is thus to find a constant expression that has a location
+// to which a macro invocation is bound
+macrolocationbind(
+    int id: @macroinvocation ref,
+    int location: @location ref
+);
+
+#keyset[invocation, argument_index]
+macro_argument_unexpanded(
+    int invocation: @macroinvocation ref,
+    int argument_index: int ref,
+    string text: string ref
+);
+
+#keyset[invocation, argument_index]
+macro_argument_expanded(
+    int invocation: @macroinvocation ref,
+    int argument_index: int ref,
+    string text: string ref
+);
+
+/*
+case @function.kind of
+  1 = @normal_function
+| 2 = @constructor
+| 3 = @destructor
+| 4 = @conversion_function
+| 5 = @operator
+| 6 = @builtin_function     // GCC built-in functions, e.g. __builtin___memcpy_chk
+| 7 = @user_defined_literal
+| 8 = @deduction_guide
+;
+*/
+
+functions(
+    unique int id: @function,
+    string name: string ref,
+    int kind: int ref
+);
+
+function_entry_point(
+    int id: @function ref,
+    unique int entry_point: @stmt ref
+);
+
+function_return_type(
+    int id: @function ref,
+    int return_type: @type ref
+);
+
+/**
+ * If `function` is a coroutine, then this gives the `std::experimental::resumable_traits`
+ * instance associated with it, and the variables representing the `handle` and `promise`
+ * for it.
+ */
+coroutine(
+  unique int function: @function ref,
+  int traits: @type ref
+);
+
+/*
+case @coroutine_placeholder_variable.kind of
+  1 = @handle
+| 2 = @promise
+| 3 = @init_await_resume
+;
+*/
+
+coroutine_placeholder_variable(
+  unique int placeholder_variable: @variable ref,
+  int kind: int ref,
+  int function: @function ref
+)
+
+/** The `new` function used for allocating the coroutine state, if any. */
+coroutine_new(
+  unique int function: @function ref,
+  int new: @function ref
+);
+
+/** The `delete` function used for deallocating the coroutine state, if any. */
+coroutine_delete(
+  unique int function: @function ref,
+  int delete: @function ref
+);
+
+purefunctions(unique int id: @function ref);
+
+function_deleted(unique int id: @function ref);
+
+function_defaulted(unique int id: @function ref);
+
+function_prototyped(unique int id: @function ref)
+
+deduction_guide_for_class(
+    int id: @function ref,
+    int class_template: @usertype ref
+)
+
+member_function_this_type(
+    unique int id: @function ref,
+    int this_type: @type ref
+);
+
+#keyset[id, type_id]
+fun_decls(
+    int id: @fun_decl,
+    int function: @function ref,
+    int type_id: @type ref,
+    string name: string ref,
+    int location: @location_default ref
+);
+fun_def(unique int id: @fun_decl ref);
+fun_specialized(unique int id: @fun_decl ref);
+fun_implicit(unique int id: @fun_decl ref);
+fun_decl_specifiers(
+    int id: @fun_decl ref,
+    string name: string ref
+)
+#keyset[fun_decl, index]
+fun_decl_throws(
+    int fun_decl: @fun_decl ref,
+    int index: int ref,
+    int type_id: @type ref
+);
+/* an empty throw specification is different from none */
+fun_decl_empty_throws(unique int fun_decl: @fun_decl ref);
+fun_decl_noexcept(
+    int fun_decl: @fun_decl ref,
+    int constant: @expr ref
+);
+fun_decl_empty_noexcept(int fun_decl: @fun_decl ref);
+fun_decl_typedef_type(
+    unique int fun_decl: @fun_decl ref,
+    int typedeftype_id: @usertype ref
+);
+
+/*
+case @fun_requires.kind of
+  1 = @template_attached
+| 2 = @function_attached
+;
+*/
+
+fun_requires(
+    int id: @fun_decl ref,
+    int kind: int ref,
+    int constraint: @expr ref
+);
+
+param_decl_bind(
+    unique int id: @var_decl ref,
+    int index: int ref,
+    int fun_decl: @fun_decl ref
+);
+
+#keyset[id, type_id]
+var_decls(
+    int id: @var_decl,
+    int variable: @variable ref,
+    int type_id: @type ref,
+    string name: string ref,
+    int location: @location_default ref
+);
+var_def(unique int id: @var_decl ref);
+var_specialized(int id: @var_decl ref);
+var_decl_specifiers(
+    int id: @var_decl ref,
+    string name: string ref
+)
+is_structured_binding(unique int id: @variable ref);
+var_requires(
+    int id: @var_decl ref,
+    int constraint: @expr ref
+);
+
+type_decls(
+    unique int id: @type_decl,
+    int type_id: @type ref,
+    int location: @location_default ref
+);
+type_def(unique int id: @type_decl ref);
+type_decl_top(
+    unique int type_decl: @type_decl ref
+);
+type_requires(
+    int id: @type_decl ref,
+    int constraint: @expr ref
+);
+
+namespace_decls(
+    unique int id: @namespace_decl,
+    int namespace_id: @namespace ref,
+    int location: @location_default ref,
+    int bodylocation: @location_default ref
+);
+
+case @using.kind of
+  1 = @using_declaration
+| 2 = @using_directive
+| 3 = @using_enum_declaration
+;
+
+usings(
+    unique int id: @using,
+    int element_id: @element ref,
+    int location: @location_default ref,
+    int kind: int ref
+);
+
+/** The element which contains the `using` declaration. */
+using_container(
+    int parent: @element ref,
+    int child: @using ref
+);
+
+static_asserts(
+    unique int id: @static_assert,
+    int condition : @expr ref,
+    string message : string ref,
+    int location: @location_default ref,
+    int enclosing : @element ref
+);
+
+// each function has an ordered list of parameters
+#keyset[id, type_id]
+#keyset[function, index, type_id]
+params(
+    int id: @parameter,
+    int function: @parameterized_element ref,
+    int index: int ref,
+    int type_id: @type ref
+);
+
+overrides(
+    int new: @function ref,
+    int old: @function ref
+);
+
+#keyset[id, type_id]
+membervariables(
+    int id: @membervariable,
+    int type_id: @type ref,
+    string name: string ref
+);
+
+#keyset[id, type_id]
+globalvariables(
+    int id: @globalvariable,
+    int type_id: @type ref,
+    string name: string ref
+);
+
+#keyset[id, type_id]
+localvariables(
+    int id: @localvariable,
+    int type_id: @type ref,
+    string name: string ref
+);
+
+autoderivation(
+    unique int var: @variable ref,
+    int derivation_type: @type ref
+);
+
+orphaned_variables(
+    int var: @localvariable ref,
+    int function: @function ref
+)
+
+enumconstants(
+    unique int id: @enumconstant,
+    int parent: @usertype ref,
+    int index: int ref,
+    int type_id: @type ref,
+    string name: string ref,
+    int location: @location_default ref
+);
+
+@variable = @localscopevariable | @globalvariable | @membervariable;
+
+@localscopevariable = @localvariable | @parameter;
+
+/**
+ * Built-in types are the fundamental types, e.g., integral, floating, and void.
+ */
+case @builtintype.kind of
+   1 = @errortype
+|  2 = @unknowntype
+|  3 = @void
+|  4 = @boolean
+|  5 = @char
+|  6 = @unsigned_char
+|  7 = @signed_char
+|  8 = @short
+|  9 = @unsigned_short
+| 10 = @signed_short
+| 11 = @int
+| 12 = @unsigned_int
+| 13 = @signed_int
+| 14 = @long
+| 15 = @unsigned_long
+| 16 = @signed_long
+| 17 = @long_long
+| 18 = @unsigned_long_long
+| 19 = @signed_long_long
+// ... 20 Microsoft-specific __int8
+// ... 21 Microsoft-specific __int16
+// ... 22 Microsoft-specific __int32
+// ... 23 Microsoft-specific __int64
+| 24 = @float
+| 25 = @double
+| 26 = @long_double
+| 27 = @complex_float         // C99-specific _Complex float
+| 28 = @complex_double        // C99-specific _Complex double
+| 29 = @complex_long_double   // C99-specific _Complex long double
+| 30 = @imaginary_float       // C99-specific _Imaginary float
+| 31 = @imaginary_double      // C99-specific _Imaginary double
+| 32 = @imaginary_long_double // C99-specific _Imaginary long double
+| 33 = @wchar_t               // Microsoft-specific
+| 34 = @decltype_nullptr      // C++11
+| 35 = @int128                // __int128
+| 36 = @unsigned_int128       // unsigned __int128
+| 37 = @signed_int128         // signed __int128
+| 38 = @float128              // __float128
+| 39 = @complex_float128      // _Complex __float128
+| 40 = @decimal32             // _Decimal32
+| 41 = @decimal64             // _Decimal64
+| 42 = @decimal128            // _Decimal128
+| 43 = @char16_t
+| 44 = @char32_t
+| 45 = @std_float32           // _Float32
+| 46 = @float32x              // _Float32x
+| 47 = @std_float64           // _Float64
+| 48 = @float64x              // _Float64x
+| 49 = @std_float128          // _Float128
+// ... 50 _Float128x
+| 51 = @char8_t
+| 52 = @float16               // _Float16
+| 53 = @complex_float16       // _Complex _Float16
+| 54 = @fp16                  // __fp16
+| 55 = @std_bfloat16          // __bf16
+| 56 = @std_float16           // std::float16_t
+| 57 = @complex_std_float32   // _Complex _Float32
+| 58 = @complex_float32x      // _Complex _Float32x
+| 59 = @complex_std_float64   // _Complex _Float64
+| 60 = @complex_float64x      // _Complex _Float64x
+| 61 = @complex_std_float128  // _Complex _Float128
+;
+
+builtintypes(
+    unique int id: @builtintype,
+    string name: string ref,
+    int kind: int ref,
+    int size: int ref,
+    int sign: int ref,
+    int alignment: int ref
+);
+
+/**
+ * Derived types are types that are directly derived from existing types and
+ * point to, refer to, transform type data to return a new type.
+ */
+case @derivedtype.kind of
+   1 = @pointer
+|  2 = @reference
+|  3 = @type_with_specifiers
+|  4 = @array
+|  5 = @gnu_vector
+|  6 = @routineptr
+|  7 = @routinereference
+|  8 = @rvalue_reference // C++11
+// ... 9 type_conforming_to_protocols deprecated
+| 10 = @block
+;
+
+derivedtypes(
+    unique int id: @derivedtype,
+    string name: string ref,
+    int kind: int ref,
+    int type_id: @type ref
+);
+
+pointerishsize(unique int id: @derivedtype ref,
+    int size: int ref,
+    int alignment: int ref);
+
+arraysizes(
+    unique int id: @derivedtype ref,
+    int num_elements: int ref,
+    int bytesize: int ref,
+    int alignment: int ref
+);
+
+typedefbase(
+    unique int id: @usertype ref,
+    int type_id: @type ref
+);
+
+/**
+ * An instance of the C++11 `decltype` operator.  For example:
+ * ```
+ * int a;
+ * decltype(1+a) b;
+ * ```
+ * Here `expr` is `1+a`.
+ *
+ * Sometimes an additional pair of parentheses around the expression
+ * would change the semantics of this decltype, e.g.
+ * ```
+ * struct A { double x; };
+ * const A* a = new A();
+ * decltype( a->x ); // type is double
+ * decltype((a->x)); // type is const double&
+ * ```
+ * (Please consult the C++11 standard for more details).
+ * `parentheses_would_change_meaning` is `true` iff that is the case.
+ */
+#keyset[id, expr]
+decltypes(
+    int id: @decltype,
+    int expr: @expr ref,
+    int base_type: @type ref,
+    boolean parentheses_would_change_meaning: boolean ref
+);
+
+/*
+case @usertype.kind of
+|  0 = @unknown_usertype
+|  1 = @struct
+|  2 = @class
+|  3 = @union
+|  4 = @enum
+// ... 5 = @typedef deprecated        // classic C: typedef typedef type name
+// ... 6 = @template deprecated
+|  7 = @template_parameter
+|  8 = @template_template_parameter
+|  9 = @proxy_class                   // a proxy class associated with a template parameter
+// ... 10 objc_class deprecated
+// ... 11 objc_protocol deprecated
+// ... 12 objc_category deprecated
+| 13 = @scoped_enum
+// ... 14 = @using_alias deprecated   // a using name = type style typedef
+| 15 = @template_struct
+| 16 = @template_class
+| 17 = @template_union
+| 18 = @alias
+;
+*/
+
+usertypes(
+    unique int id: @usertype,
+    string name: string ref,
+    int kind: int ref
+);
+
+usertypesize(
+    unique int id: @usertype ref,
+    int size: int ref,
+    int alignment: int ref
+);
+
+usertype_final(unique int id: @usertype ref);
+
+usertype_uuid(
+    unique int id: @usertype ref,
+    string uuid: string ref
+);
+
+/*
+case @usertype.alias_kind of
+| 0 = @typedef
+| 1 = @alias
+*/
+
+usertype_alias_kind(
+    int id: @usertype ref,
+    int alias_kind: int ref
+)
+
+nontype_template_parameters(
+    int id: @expr ref
+);
+
+type_template_type_constraint(
+    int id: @usertype ref,
+    int constraint: @expr ref
+);
+
+mangled_name(
+    unique int id: @declaration ref,
+    int mangled_name : @mangledname,
+    boolean is_complete: boolean ref
+);
+
+is_pod_class(unique int id: @usertype ref);
+is_standard_layout_class(unique int id: @usertype ref);
+
+is_complete(unique int id: @usertype ref);
+
+is_class_template(unique int id: @usertype ref);
+class_instantiation(
+    int to: @usertype ref,
+    int from: @usertype ref
+);
+class_template_argument(
+    int type_id: @usertype ref,
+    int index: int ref,
+    int arg_type: @type ref
+);
+class_template_argument_value(
+    int type_id: @usertype ref,
+    int index: int ref,
+    int arg_value: @expr ref
+);
+
+@user_or_decltype = @usertype | @decltype;
+
+is_proxy_class_for(
+    unique int id: @usertype ref,
+    int templ_param_id: @user_or_decltype ref
+);
+
+type_mentions(
+    unique int id: @type_mention,
+    int type_id: @type ref,
+    int location: @location ref,
+    // a_symbol_reference_kind from the frontend.
+    int kind: int ref
+);
+
+is_function_template(unique int id: @function ref);
+function_instantiation(
+    unique int to: @function ref,
+    int from: @function ref
+);
+function_template_argument(
+    int function_id: @function ref,
+    int index: int ref,
+    int arg_type: @type ref
+);
+function_template_argument_value(
+    int function_id: @function ref,
+    int index: int ref,
+    int arg_value: @expr ref
+);
+
+is_variable_template(unique int id: @variable ref);
+variable_instantiation(
+    unique int to: @variable ref,
+    int from: @variable ref
+);
+variable_template_argument(
+    int variable_id: @variable ref,
+    int index: int ref,
+    int arg_type: @type ref
+);
+variable_template_argument_value(
+    int variable_id: @variable ref,
+    int index: int ref,
+    int arg_value: @expr ref
+);
+
+template_template_instantiation(
+    int to: @usertype ref,
+    int from: @usertype ref
+);
+template_template_argument(
+    int type_id: @usertype ref,
+    int index: int ref,
+    int arg_type: @type ref
+);
+template_template_argument_value(
+    int type_id: @usertype ref,
+    int index: int ref,
+    int arg_value: @expr ref
+);
+
+@concept = @concept_template | @concept_id;
+
+concept_templates(
+    unique int concept_id: @concept_template,
+    string name: string ref,
+    int location: @location_default ref
+);
+concept_instantiation(
+    unique int to: @concept_id ref,
+    int from: @concept_template ref
+);
+is_type_constraint(int concept_id: @concept_id ref);
+concept_template_argument(
+    int concept_id: @concept ref,
+    int index: int ref,
+    int arg_type: @type ref
+);
+concept_template_argument_value(
+    int concept_id: @concept ref,
+    int index: int ref,
+    int arg_value: @expr ref
+);
+
+routinetypes(
+    unique int id: @routinetype,
+    int return_type: @type ref
+);
+
+routinetypeargs(
+    int routine: @routinetype ref,
+    int index: int ref,
+    int type_id: @type ref
+);
+
+ptrtomembers(
+    unique int id: @ptrtomember,
+    int type_id: @type ref,
+    int class_id: @type ref
+);
+
+/*
+ specifiers for types, functions, and variables
+
+    "public",
+    "protected",
+    "private",
+
+    "const",
+    "volatile",
+    "static",
+
+    "pure",
+    "virtual",
+    "sealed", // Microsoft
+    "__interface", // Microsoft
+    "inline",
+    "explicit",
+
+    "near", // near far extension
+    "far", // near far extension
+    "__ptr32", // Microsoft
+    "__ptr64", // Microsoft
+    "__sptr", // Microsoft
+    "__uptr", // Microsoft
+    "dllimport", // Microsoft
+    "dllexport", // Microsoft
+    "thread", // Microsoft
+    "naked", // Microsoft
+    "microsoft_inline", // Microsoft
+    "forceinline", // Microsoft
+    "selectany", // Microsoft
+    "nothrow", // Microsoft
+    "novtable", // Microsoft
+    "noreturn", // Microsoft
+    "noinline", // Microsoft
+    "noalias", // Microsoft
+    "restrict", // Microsoft
+*/
+
+specifiers(
+    unique int id: @specifier,
+    unique string str: string ref
+);
+
+typespecifiers(
+    int type_id: @type ref,
+    int spec_id: @specifier ref
+);
+
+funspecifiers(
+    int func_id: @function ref,
+    int spec_id: @specifier ref
+);
+
+varspecifiers(
+    int var_id: @accessible ref,
+    int spec_id: @specifier ref
+);
+
+explicit_specifier_exprs(
+    unique int func_id: @function ref,
+    int constant: @expr ref
+)
+
+attributes(
+    unique int id: @attribute,
+    int kind: int ref,
+    string name: string ref,
+    string name_space: string ref,
+    int location: @location_default ref
+);
+
+case @attribute.kind of
+  0 = @gnuattribute
+| 1 = @stdattribute
+| 2 = @declspec
+| 3 = @msattribute
+| 4 = @alignas
+// ... 5 @objc_propertyattribute deprecated
+;
+
+attribute_args(
+    unique int id: @attribute_arg,
+    int kind: int ref,
+    int attribute: @attribute ref,
+    int index: int ref,
+    int location: @location_default ref
+);
+
+case @attribute_arg.kind of
+  0 = @attribute_arg_empty
+| 1 = @attribute_arg_token
+| 2 = @attribute_arg_constant
+| 3 = @attribute_arg_type
+| 4 = @attribute_arg_constant_expr
+| 5 = @attribute_arg_expr
+;
+
+attribute_arg_value(
+    unique int arg: @attribute_arg ref,
+    string value: string ref
+);
+attribute_arg_type(
+    unique int arg: @attribute_arg ref,
+    int type_id: @type ref
+);
+attribute_arg_constant(
+    unique int arg: @attribute_arg ref,
+    int constant: @expr ref
+)
+attribute_arg_expr(
+    unique int arg: @attribute_arg ref,
+    int expr: @expr ref
+)
+attribute_arg_name(
+    unique int arg: @attribute_arg ref,
+    string name: string ref
+);
+
+typeattributes(
+    int type_id: @type ref,
+    int spec_id: @attribute ref
+);
+
+funcattributes(
+    int func_id: @function ref,
+    int spec_id: @attribute ref
+);
+
+varattributes(
+    int var_id: @accessible ref,
+    int spec_id: @attribute ref
+);
+
+stmtattributes(
+    int stmt_id: @stmt ref,
+    int spec_id: @attribute ref
+);
+
+@type = @builtintype
+      | @derivedtype
+      | @usertype
+      /* TODO | @fixedpointtype */
+      | @routinetype
+      | @ptrtomember
+      | @decltype;
+
+unspecifiedtype(
+    unique int type_id: @type ref,
+    int unspecified_type_id: @type ref
+);
+
+member(
+    int parent: @type ref,
+    int index: int ref,
+    int child: @member ref
+);
+
+@enclosingfunction_child = @usertype | @variable | @namespace
+
+enclosingfunction(
+    unique int child: @enclosingfunction_child ref,
+    int parent: @function ref
+);
+
+derivations(
+    unique int derivation: @derivation,
+    int sub: @type ref,
+    int index: int ref,
+    int super: @type ref,
+    int location: @location_default ref
+);
+
+derspecifiers(
+    int der_id: @derivation ref,
+    int spec_id: @specifier ref
+);
+
+/**
+ * Contains the byte offset of the base class subobject within the derived
+ * class. Only holds for non-virtual base classes, but see table
+ * `virtual_base_offsets` for offsets of virtual base class subobjects.
+ */
+direct_base_offsets(
+    unique int der_id: @derivation ref,
+    int offset: int ref
+);
+
+/**
+ * Contains the byte offset of the virtual base class subobject for class
+ * `super` within a most-derived object of class `sub`. `super` can be either a
+ * direct or indirect base class.
+ */
+#keyset[sub, super]
+virtual_base_offsets(
+    int sub: @usertype ref,
+    int super: @usertype ref,
+    int offset: int ref
+);
+
+frienddecls(
+    unique int id: @frienddecl,
+    int type_id: @type ref,
+    int decl_id: @declaration ref,
+    int location: @location_default ref
+);
+
+@declaredtype = @usertype ;
+
+@declaration = @function
+             | @declaredtype
+             | @variable
+             | @enumconstant
+             | @frienddecl
+             | @concept_template;
+
+@member = @membervariable
+        | @function
+        | @declaredtype
+        | @enumconstant;
+
+@locatable = @diagnostic
+           | @declaration
+           | @ppd_include
+           | @ppd_define
+           | @macroinvocation
+           /*| @funcall*/
+           | @xmllocatable
+           | @attribute
+           | @attribute_arg;
+
+@namedscope = @namespace | @usertype;
+
+@element = @locatable
+         | @file
+         | @folder
+         | @specifier
+         | @type
+         | @expr
+         | @namespace
+         | @initialiser
+         | @stmt
+         | @derivation
+         | @comment
+         | @preprocdirect
+         | @fun_decl
+         | @var_decl
+         | @type_decl
+         | @namespace_decl
+         | @using
+         | @namequalifier
+         | @specialnamequalifyingelement
+         | @static_assert
+         | @type_mention
+         | @lambdacapture;
+
+@exprparent = @element;
+
+comments(
+    unique int id: @comment,
+    string contents: string ref,
+    int location: @location_default ref
+);
+
+commentbinding(
+    int id: @comment ref,
+    int element: @element ref
+);
+
+exprconv(
+    int converted: @expr ref,
+    unique int conversion: @expr ref
+);
+
+compgenerated(unique int id: @element ref);
+
+/**
+ * `destructor_call` destructs the `i`'th entity that should be
+ * destructed following `element`. Note that entities should be
+ * destructed in reverse construction order, so for a given `element`
+ * these should be called from highest to lowest `i`.
+ */
+#keyset[element, destructor_call]
+#keyset[element, i]
+synthetic_destructor_call(
+    int element: @element ref,
+    int i: int ref,
+    int destructor_call: @routineexpr ref
+);
+
+namespaces(
+    unique int id: @namespace,
+    string name: string ref
+);
+
+namespace_inline(
+    unique int id: @namespace ref
+);
+
+namespacembrs(
+    int parentid: @namespace ref,
+    unique int memberid: @namespacembr ref
+);
+
+@namespacembr = @declaration | @namespace;
+
+exprparents(
+    int expr_id: @expr ref,
+    int child_index: int ref,
+    int parent_id: @exprparent ref
+);
+
+expr_isload(unique int expr_id: @expr ref);
+
+@cast = @c_style_cast
+      | @const_cast
+      | @dynamic_cast
+      | @reinterpret_cast
+      | @static_cast
+      ;
+
+/*
+case @conversion.kind of
+  0 = @simple_conversion           // a numeric conversion, qualification conversion, or a reinterpret_cast
+| 1 = @bool_conversion             // conversion to 'bool'
+| 2 = @base_class_conversion       // a derived-to-base conversion
+| 3 = @derived_class_conversion    // a base-to-derived conversion
+| 4 = @pm_base_class_conversion    // a derived-to-base conversion of a pointer to member
+| 5 = @pm_derived_class_conversion // a base-to-derived conversion of a pointer to member
+| 6 = @glvalue_adjust              // an adjustment of the type of a glvalue
+| 7 = @prvalue_adjust              // an adjustment of the type of a prvalue
+;
+*/
+/**
+ * Describes the semantics represented by a cast expression. This is largely
+ * independent of the source syntax of the cast, so it is separate from the
+ * regular expression kind.
+ */
+conversionkinds(
+    unique int expr_id: @cast ref,
+    int kind: int ref
+);
+
+@conversion = @cast
+            | @array_to_pointer
+            | @parexpr
+            | @reference_to
+            | @ref_indirect
+            | @temp_init
+            | @c11_generic
+            ;
+
+/*
+case @funbindexpr.kind of
+  0 = @normal_call  // a normal call
+| 1 = @virtual_call // a virtual call
+| 2 = @adl_call     // a call whose target is only found by ADL
+;
+*/
+iscall(
+    unique int caller: @funbindexpr ref,
+    int kind: int ref
+);
+
+numtemplatearguments(
+    unique int expr_id: @expr ref,
+    int num: int ref
+);
+
+specialnamequalifyingelements(
+    unique int id: @specialnamequalifyingelement,
+    unique string name: string ref
+);
+
+@namequalifiableelement = @expr | @namequalifier;
+@namequalifyingelement = @namespace
+                       | @specialnamequalifyingelement
+                       | @usertype;
+
+namequalifiers(
+    unique int id: @namequalifier,
+    unique int qualifiableelement: @namequalifiableelement ref,
+    int qualifyingelement: @namequalifyingelement ref,
+    int location: @location_default ref
+);
+
+varbind(
+    int expr: @varbindexpr ref,
+    int var: @accessible ref
+);
+
+funbind(
+    int expr: @funbindexpr ref,
+    int fun: @function ref
+);
+
+@any_new_expr = @new_expr
+              | @new_array_expr;
+
+@new_or_delete_expr = @any_new_expr
+                    | @delete_expr
+                    | @delete_array_expr;
+
+@prefix_crement_expr = @preincrexpr | @predecrexpr;
+
+@postfix_crement_expr = @postincrexpr | @postdecrexpr;
+
+@increment_expr = @preincrexpr | @postincrexpr;
+
+@decrement_expr = @predecrexpr | @postdecrexpr;
+
+@crement_expr = @increment_expr | @decrement_expr;
+
+@un_arith_op_expr = @arithnegexpr
+                  | @unaryplusexpr
+                  | @conjugation
+                  | @realpartexpr
+                  | @imagpartexpr
+                  | @crement_expr
+                  ;
+
+@un_bitwise_op_expr = @complementexpr;
+
+@un_log_op_expr = @notexpr;
+
+@un_op_expr = @address_of
+            | @indirect
+            | @un_arith_op_expr
+            | @un_bitwise_op_expr
+            | @builtinaddressof
+            | @vec_fill
+            | @un_log_op_expr
+            | @co_await
+            | @co_yield
+            ;
+
+@bin_log_op_expr = @andlogicalexpr | @orlogicalexpr;
+
+@cmp_op_expr = @eq_op_expr | @rel_op_expr;
+
+@eq_op_expr = @eqexpr | @neexpr;
+
+@rel_op_expr = @gtexpr
+             | @ltexpr
+             | @geexpr
+             | @leexpr
+             | @spaceshipexpr
+             ;
+
+@bin_bitwise_op_expr = @lshiftexpr
+                     | @rshiftexpr
+                     | @andexpr
+                     | @orexpr
+                     | @xorexpr
+                     ;
+
+@p_arith_op_expr = @paddexpr
+                 | @psubexpr
+                 | @pdiffexpr
+                 ;
+
+@bin_arith_op_expr = @addexpr
+                   | @subexpr
+                   | @mulexpr
+                   | @divexpr
+                   | @remexpr
+                   | @jmulexpr
+                   | @jdivexpr
+                   | @fjaddexpr
+                   | @jfaddexpr
+                   | @fjsubexpr
+                   | @jfsubexpr
+                   | @minexpr
+                   | @maxexpr
+                   | @p_arith_op_expr
+                   ;
+
+@bin_op_expr = @bin_arith_op_expr
+             | @bin_bitwise_op_expr
+             | @cmp_op_expr
+             | @bin_log_op_expr
+             ;
+
+@op_expr = @un_op_expr
+         | @bin_op_expr
+         | @assign_expr
+         | @conditionalexpr
+         ;
+
+@assign_arith_expr = @assignaddexpr
+                   | @assignsubexpr
+                   | @assignmulexpr
+                   | @assigndivexpr
+                   | @assignremexpr
+                   ;
+
+@assign_bitwise_expr = @assignandexpr
+                     | @assignorexpr
+                     | @assignxorexpr
+                     | @assignlshiftexpr
+                     | @assignrshiftexpr
+                     ;
+
+@assign_pointer_expr = @assignpaddexpr
+                     | @assignpsubexpr
+                     ;
+
+@assign_op_expr = @assign_arith_expr
+                | @assign_bitwise_expr
+                | @assign_pointer_expr
+                ;
+
+@assign_expr = @assignexpr | @assign_op_expr | @blockassignexpr
+
+/*
+  Binary encoding of the allocator form.
+
+  case @allocator.form of
+    0 = plain
+  | 1 = alignment
+  ;
+*/
+
+/**
+ * The allocator function associated with a `new` or `new[]` expression.
+ * The `form` column specified whether the allocation call contains an alignment
+ * argument.
+ */
+expr_allocator(
+    unique int expr: @any_new_expr ref,
+    int func: @function ref,
+    int form: int ref
+);
+
+/*
+  Binary encoding of the deallocator form.
+
+  case @deallocator.form of
+    0 = plain
+  | 1 = size
+  | 2 = alignment
+  | 4 = destroying_delete
+  ;
+*/
+
+/**
+ * The deallocator function associated with a `delete`, `delete[]`, `new`, or
+ * `new[]` expression. For a `new` or `new[]` expression, the deallocator is the
+ * one used to free memory if the initialization throws an exception.
+ * The `form` column specifies whether the deallocation call contains a size
+ * argument, and alignment argument, or both.
+ */
+expr_deallocator(
+    unique int expr: @new_or_delete_expr ref,
+    int func: @function ref,
+    int form: int ref
+);
+
+/**
+ * Holds if the `@conditionalexpr` is of the two operand form
+ * `guard ? : false`.
+ */
+expr_cond_two_operand(
+    unique int cond: @conditionalexpr ref
+);
+
+/**
+ * The guard of `@conditionalexpr` `guard ? true : false`
+ */
+expr_cond_guard(
+    unique int cond: @conditionalexpr ref,
+    int guard: @expr ref
+);
+
+/**
+ * The expression used when the guard of `@conditionalexpr`
+ * `guard ? true : false` holds. For the two operand form
+ * `guard ?: false` consider using `expr_cond_guard` instead.
+ */
+expr_cond_true(
+    unique int cond: @conditionalexpr ref,
+    int true: @expr ref
+);
+
+/**
+ * The expression used when the guard of `@conditionalexpr`
+ * `guard ? true : false` does not hold.
+ */
+expr_cond_false(
+    unique int cond: @conditionalexpr ref,
+    int false: @expr ref
+);
+
+/** A string representation of the value. */
+values(
+    unique int id: @value,
+    string str: string ref
+);
+
+/** The actual text in the source code for the value, if any. */
+valuetext(
+    unique int id: @value ref,
+    string text: string ref
+);
+
+valuebind(
+    int val: @value ref,
+    unique int expr: @expr ref
+);
+
+fieldoffsets(
+    unique int id: @variable ref,
+    int byteoffset: int ref,
+    int bitoffset: int ref
+);
+
+bitfield(
+    unique int id: @variable ref,
+    int bits: int ref,
+    int declared_bits: int ref
+);
+
+/* TODO
+memberprefix(
+    int member: @expr ref,
+    int prefix: @expr ref
+);
+*/
+
+/*
+   kind(1) = mbrcallexpr
+   kind(2) = mbrptrcallexpr
+   kind(3) = mbrptrmbrcallexpr
+   kind(4) = ptrmbrptrmbrcallexpr
+   kind(5) = mbrreadexpr // x.y
+   kind(6) = mbrptrreadexpr // p->y
+   kind(7) = mbrptrmbrreadexpr // x.*pm
+   kind(8) = mbrptrmbrptrreadexpr // x->*pm
+   kind(9) = staticmbrreadexpr // static x.y
+   kind(10) = staticmbrptrreadexpr // static p->y
+*/
+/* TODO
+memberaccess(
+    int member: @expr ref,
+    int kind: int ref
+);
+*/
+
+initialisers(
+    unique int init: @initialiser,
+    int var: @accessible ref,
+    unique int expr: @expr ref,
+    int location: @location_expr ref
+);
+
+braced_initialisers(
+    int init: @initialiser ref
+);
+
+/**
+ * An ancestor for the expression, for cases in which we cannot
+ * otherwise find the expression's parent.
+ */
+expr_ancestor(
+    int exp: @expr ref,
+    int ancestor: @element ref
+);
+
+exprs(
+    unique int id: @expr,
+    int kind: int ref,
+    int location: @location_expr ref
+);
+
+expr_reuse(
+    int reuse: @expr ref,
+    int original: @expr ref,
+    int value_category: int ref
+)
+
+/*
+  case @value.category of
+    1 = prval
+  | 2 = xval
+  | 3 = lval
+  ;
+*/
+expr_types(
+    int id: @expr ref,
+    int typeid: @type ref,
+    int value_category: int ref
+);
+
+case @expr.kind of
+    1 = @errorexpr
+|   2 = @address_of // & AddressOfExpr
+|   3 = @reference_to // ReferenceToExpr (implicit?)
+|   4 = @indirect // * PointerDereferenceExpr
+|   5 = @ref_indirect // ReferenceDereferenceExpr (implicit?)
+// ...
+|   8 = @array_to_pointer // (???)
+|   9 = @vacuous_destructor_call // VacuousDestructorCall
+// ...
+|  11 = @assume // Microsoft
+|  12 = @parexpr
+|  13 = @arithnegexpr
+|  14 = @unaryplusexpr
+|  15 = @complementexpr
+|  16 = @notexpr
+|  17 = @conjugation // GNU ~ operator
+|  18 = @realpartexpr // GNU __real
+|  19 = @imagpartexpr // GNU __imag
+|  20 = @postincrexpr
+|  21 = @postdecrexpr
+|  22 = @preincrexpr
+|  23 = @predecrexpr
+|  24 = @conditionalexpr
+|  25 = @addexpr
+|  26 = @subexpr
+|  27 = @mulexpr
+|  28 = @divexpr
+|  29 = @remexpr
+|  30 = @jmulexpr // C99 mul imaginary
+|  31 = @jdivexpr // C99 div imaginary
+|  32 = @fjaddexpr // C99 add real + imaginary
+|  33 = @jfaddexpr // C99 add imaginary + real
+|  34 = @fjsubexpr // C99 sub real - imaginary
+|  35 = @jfsubexpr // C99 sub imaginary - real
+|  36 = @paddexpr // pointer add (pointer + int or int + pointer)
+|  37 = @psubexpr // pointer sub (pointer - integer)
+|  38 = @pdiffexpr // difference between two pointers
+|  39 = @lshiftexpr
+|  40 = @rshiftexpr
+|  41 = @andexpr
+|  42 = @orexpr
+|  43 = @xorexpr
+|  44 = @eqexpr
+|  45 = @neexpr
+|  46 = @gtexpr
+|  47 = @ltexpr
+|  48 = @geexpr
+|  49 = @leexpr
+|  50 = @minexpr // GNU minimum
+|  51 = @maxexpr // GNU maximum
+|  52 = @assignexpr
+|  53 = @assignaddexpr
+|  54 = @assignsubexpr
+|  55 = @assignmulexpr
+|  56 = @assigndivexpr
+|  57 = @assignremexpr
+|  58 = @assignlshiftexpr
+|  59 = @assignrshiftexpr
+|  60 = @assignandexpr
+|  61 = @assignorexpr
+|  62 = @assignxorexpr
+|  63 = @assignpaddexpr // assign pointer add
+|  64 = @assignpsubexpr // assign pointer sub
+|  65 = @andlogicalexpr
+|  66 = @orlogicalexpr
+|  67 = @commaexpr
+|  68 = @subscriptexpr // access to member of an array, e.g., a[5]
+// ...  69 @objc_subscriptexpr deprecated
+// ...  70 @cmdaccess deprecated
+// ...
+|  73 = @virtfunptrexpr
+|  74 = @callexpr
+// ...  75 @msgexpr_normal deprecated
+// ...  76 @msgexpr_super deprecated
+// ...  77 @atselectorexpr deprecated
+// ...  78 @atprotocolexpr deprecated
+|  79 = @vastartexpr
+|  80 = @vaargexpr
+|  81 = @vaendexpr
+|  82 = @vacopyexpr
+// ...  83 @atencodeexpr deprecated
+|  84 = @varaccess
+|  85 = @thisaccess
+// ...  86 @objc_box_expr deprecated
+|  87 = @new_expr
+|  88 = @delete_expr
+|  89 = @throw_expr
+|  90 = @condition_decl // a variable declared in a condition, e.g., if(int x = y > 2)
+|  91 = @braced_init_list
+|  92 = @type_id
+|  93 = @runtime_sizeof
+|  94 = @runtime_alignof
+|  95 = @sizeof_pack
+|  96 = @expr_stmt // GNU extension
+|  97 = @routineexpr
+|  98 = @type_operand // used to access a type in certain contexts (haven't found any examples yet....)
+|  99 = @offsetofexpr // offsetof ::= type and field
+| 100 = @hasassignexpr // __has_assign ::= type
+| 101 = @hascopyexpr // __has_copy ::= type
+| 102 = @hasnothrowassign // __has_nothrow_assign ::= type
+| 103 = @hasnothrowconstr // __has_nothrow_constructor ::= type
+| 104 = @hasnothrowcopy // __has_nothrow_copy ::= type
+| 105 = @hastrivialassign // __has_trivial_assign ::= type
+| 106 = @hastrivialconstr // __has_trivial_constructor ::= type
+| 107 = @hastrivialcopy // __has_trivial_copy ::= type
+| 108 = @hasuserdestr // __has_user_destructor ::= type
+| 109 = @hasvirtualdestr // __has_virtual_destructor ::= type
+| 110 = @isabstractexpr // __is_abstract ::= type
+| 111 = @isbaseofexpr // __is_base_of ::= type type
+| 112 = @isclassexpr // __is_class ::= type
+| 113 = @isconvtoexpr // __is_convertible_to ::= type type
+| 114 = @isemptyexpr // __is_empty ::= type
+| 115 = @isenumexpr // __is_enum ::= type
+| 116 = @ispodexpr // __is_pod ::= type
+| 117 = @ispolyexpr // __is_polymorphic ::= type
+| 118 = @isunionexpr // __is_union ::= type
+| 119 = @typescompexpr // GNU __builtin_types_compatible ::= type type
+| 120 = @intaddrexpr // frontend internal builtin, used to implement offsetof
+// ...
+| 122 = @hastrivialdestructor // __has_trivial_destructor ::= type
+| 123 = @literal
+| 124 = @uuidof
+| 127 = @aggregateliteral
+| 128 = @delete_array_expr
+| 129 = @new_array_expr
+// ... 130 @objc_array_literal deprecated
+// ... 131 @objc_dictionary_literal deprecated
+| 132 = @foldexpr
+// ...
+| 200 = @ctordirectinit
+| 201 = @ctorvirtualinit
+| 202 = @ctorfieldinit
+| 203 = @ctordelegatinginit
+| 204 = @dtordirectdestruct
+| 205 = @dtorvirtualdestruct
+| 206 = @dtorfielddestruct
+// ...
+| 210 = @static_cast
+| 211 = @reinterpret_cast
+| 212 = @const_cast
+| 213 = @dynamic_cast
+| 214 = @c_style_cast
+| 215 = @lambdaexpr
+| 216 = @param_ref
+| 217 = @noopexpr
+// ...
+| 294 = @istriviallyconstructibleexpr
+| 295 = @isdestructibleexpr
+| 296 = @isnothrowdestructibleexpr
+| 297 = @istriviallydestructibleexpr
+| 298 = @istriviallyassignableexpr
+| 299 = @isnothrowassignableexpr
+| 300 = @istrivialexpr
+| 301 = @isstandardlayoutexpr
+| 302 = @istriviallycopyableexpr
+| 303 = @isliteraltypeexpr
+| 304 = @hastrivialmoveconstructorexpr
+| 305 = @hastrivialmoveassignexpr
+| 306 = @hasnothrowmoveassignexpr
+| 307 = @isconstructibleexpr
+| 308 = @isnothrowconstructibleexpr
+| 309 = @hasfinalizerexpr
+| 310 = @isdelegateexpr
+| 311 = @isinterfaceclassexpr
+| 312 = @isrefarrayexpr
+| 313 = @isrefclassexpr
+| 314 = @issealedexpr
+| 315 = @issimplevalueclassexpr
+| 316 = @isvalueclassexpr
+| 317 = @isfinalexpr
+| 319 = @noexceptexpr
+| 320 = @builtinshufflevector
+| 321 = @builtinchooseexpr
+| 322 = @builtinaddressof
+| 323 = @vec_fill
+| 324 = @builtinconvertvector
+| 325 = @builtincomplex
+| 326 = @spaceshipexpr
+| 327 = @co_await
+| 328 = @co_yield
+| 329 = @temp_init
+| 330 = @isassignable
+| 331 = @isaggregate
+| 332 = @hasuniqueobjectrepresentations
+| 333 = @builtinbitcast
+| 334 = @builtinshuffle
+| 335 = @blockassignexpr
+| 336 = @issame
+| 337 = @isfunction
+| 338 = @islayoutcompatible
+| 339 = @ispointerinterconvertiblebaseof
+| 340 = @isarray
+| 341 = @arrayrank
+| 342 = @arrayextent
+| 343 = @isarithmetic
+| 344 = @iscompletetype
+| 345 = @iscompound
+| 346 = @isconst
+| 347 = @isfloatingpoint
+| 348 = @isfundamental
+| 349 = @isintegral
+| 350 = @islvaluereference
+| 351 = @ismemberfunctionpointer
+| 352 = @ismemberobjectpointer
+| 353 = @ismemberpointer
+| 354 = @isobject
+| 355 = @ispointer
+| 356 = @isreference
+| 357 = @isrvaluereference
+| 358 = @isscalar
+| 359 = @issigned
+| 360 = @isunsigned
+| 361 = @isvoid
+| 362 = @isvolatile
+| 363 = @reuseexpr
+| 364 = @istriviallycopyassignable
+| 365 = @isassignablenopreconditioncheck
+| 366 = @referencebindstotemporary
+| 367 = @issameas
+| 368 = @builtinhasattribute
+| 369 = @ispointerinterconvertiblewithclass
+| 370 = @builtinispointerinterconvertiblewithclass
+| 371 = @iscorrespondingmember
+| 372 = @builtiniscorrespondingmember
+| 373 = @isboundedarray
+| 374 = @isunboundedarray
+| 375 = @isreferenceable
+| 378 = @isnothrowconvertible
+| 379 = @referenceconstructsfromtemporary
+| 380 = @referenceconvertsfromtemporary
+| 381 = @isconvertible
+| 382 = @isvalidwinrttype
+| 383 = @iswinclass
+| 384 = @iswininterface
+| 385 = @istriviallyequalitycomparable
+| 386 = @isscopedenum
+| 387 = @istriviallyrelocatable
+| 388 = @datasizeof
+| 389 = @c11_generic
+| 390 = @requires_expr
+| 391 = @nested_requirement
+| 392 = @compound_requirement
+| 393 = @concept_id
+;
+
+@var_args_expr = @vastartexpr
+               | @vaendexpr
+               | @vaargexpr
+               | @vacopyexpr
+               ;
+
+@builtin_op = @var_args_expr
+            | @noopexpr
+            | @offsetofexpr
+            | @intaddrexpr
+            | @hasassignexpr
+            | @hascopyexpr
+            | @hasnothrowassign
+            | @hasnothrowconstr
+            | @hasnothrowcopy
+            | @hastrivialassign
+            | @hastrivialconstr
+            | @hastrivialcopy
+            | @hastrivialdestructor
+            | @hasuserdestr
+            | @hasvirtualdestr
+            | @isabstractexpr
+            | @isbaseofexpr
+            | @isclassexpr
+            | @isconvtoexpr
+            | @isemptyexpr
+            | @isenumexpr
+            | @ispodexpr
+            | @ispolyexpr
+            | @isunionexpr
+            | @typescompexpr
+            | @builtinshufflevector
+            | @builtinconvertvector
+            | @builtinaddressof
+            | @istriviallyconstructibleexpr
+            | @isdestructibleexpr
+            | @isnothrowdestructibleexpr
+            | @istriviallydestructibleexpr
+            | @istriviallyassignableexpr
+            | @isnothrowassignableexpr
+            | @istrivialexpr
+            | @isstandardlayoutexpr
+            | @istriviallycopyableexpr
+            | @isliteraltypeexpr
+            | @hastrivialmoveconstructorexpr
+            | @hastrivialmoveassignexpr
+            | @hasnothrowmoveassignexpr
+            | @isconstructibleexpr
+            | @isnothrowconstructibleexpr
+            | @hasfinalizerexpr
+            | @isdelegateexpr
+            | @isinterfaceclassexpr
+            | @isrefarrayexpr
+            | @isrefclassexpr
+            | @issealedexpr
+            | @issimplevalueclassexpr
+            | @isvalueclassexpr
+            | @isfinalexpr
+            | @builtinchooseexpr
+            | @builtincomplex
+            | @isassignable
+            | @isaggregate
+            | @hasuniqueobjectrepresentations
+            | @builtinbitcast
+            | @builtinshuffle
+            | @issame
+            | @isfunction
+            | @islayoutcompatible
+            | @ispointerinterconvertiblebaseof
+            | @isarray
+            | @arrayrank
+            | @arrayextent
+            | @isarithmetic
+            | @iscompletetype
+            | @iscompound
+            | @isconst
+            | @isfloatingpoint
+            | @isfundamental
+            | @isintegral
+            | @islvaluereference
+            | @ismemberfunctionpointer
+            | @ismemberobjectpointer
+            | @ismemberpointer
+            | @isobject
+            | @ispointer
+            | @isreference
+            | @isrvaluereference
+            | @isscalar
+            | @issigned
+            | @isunsigned
+            | @isvoid
+            | @isvolatile
+            | @istriviallycopyassignable
+            | @isassignablenopreconditioncheck
+            | @referencebindstotemporary
+            | @issameas
+            | @builtinhasattribute
+            | @ispointerinterconvertiblewithclass
+            | @builtinispointerinterconvertiblewithclass
+            | @iscorrespondingmember
+            | @builtiniscorrespondingmember
+            | @isboundedarray
+            | @isunboundedarray
+            | @isreferenceable
+            | @isnothrowconvertible
+            | @referenceconstructsfromtemporary
+            | @referenceconvertsfromtemporary
+            | @isconvertible
+            | @isvalidwinrttype
+            | @iswinclass
+            | @iswininterface
+            | @istriviallyequalitycomparable
+            | @isscopedenum
+            | @istriviallyrelocatable
+            ;
+
+compound_requirement_is_noexcept(
+    int expr: @compound_requirement ref
+);
+
+new_allocated_type(
+    unique int expr: @new_expr ref,
+    int type_id: @type ref
+);
+
+new_array_allocated_type(
+    unique int expr: @new_array_expr ref,
+    int type_id: @type ref
+);
+
+/**
+ * The field being initialized by an initializer expression within an aggregate
+ * initializer for a class/struct/union. Position is used to sort repeated initializers.
+ */
+#keyset[aggregate, position]
+aggregate_field_init(
+    int aggregate: @aggregateliteral ref,
+    int initializer: @expr ref,
+    int field: @membervariable ref,
+    int position: int ref
+);
+
+/**
+ * The index of the element being initialized by an initializer expression
+ * within an aggregate initializer for an array. Position is used to sort repeated initializers.
+ */
+#keyset[aggregate, position]
+aggregate_array_init(
+    int aggregate: @aggregateliteral ref,
+    int initializer: @expr ref,
+    int element_index: int ref,
+    int position: int ref
+);
+
+@ctorinit = @ctordirectinit
+          | @ctorvirtualinit
+          | @ctorfieldinit
+          | @ctordelegatinginit;
+@dtordestruct = @dtordirectdestruct
+              | @dtorvirtualdestruct
+              | @dtorfielddestruct;
+
+
+condition_decl_bind(
+    unique int expr: @condition_decl ref,
+    unique int decl: @declaration ref
+);
+
+typeid_bind(
+    unique int expr: @type_id ref,
+    int type_id: @type ref
+);
+
+uuidof_bind(
+    unique int expr: @uuidof ref,
+    int type_id: @type ref
+);
+
+@sizeof_or_alignof = @runtime_sizeof | @runtime_alignof | @datasizeof | @sizeof_pack;
+
+sizeof_bind(
+    unique int expr: @sizeof_or_alignof ref,
+    int type_id: @type ref
+);
+
+code_block(
+    unique int block: @literal ref,
+    unique int routine: @function ref
+);
+
+lambdas(
+    unique int expr: @lambdaexpr ref,
+    string default_capture: string ref,
+    boolean has_explicit_return_type: boolean ref
+);
+
+lambda_capture(
+    unique int id: @lambdacapture,
+    int lambda: @lambdaexpr ref,
+    int index: int ref,
+    int field: @membervariable ref,
+    boolean captured_by_reference: boolean ref,
+    boolean is_implicit: boolean ref,
+    int location: @location_default ref
+);
+
+@funbindexpr = @routineexpr
+             | @new_expr
+             | @delete_expr
+             | @delete_array_expr
+             | @ctordirectinit
+             | @ctorvirtualinit
+             | @ctordelegatinginit
+             | @dtordirectdestruct
+             | @dtorvirtualdestruct;
+
+@varbindexpr = @varaccess | @ctorfieldinit | @dtorfielddestruct;
+@addressable = @function | @variable ;
+@accessible = @addressable | @enumconstant ;
+
+@access = @varaccess | @routineexpr ;
+
+fold(
+    int expr: @foldexpr ref,
+    string operator: string ref,
+    boolean is_left_fold: boolean ref
+);
+
+stmts(
+    unique int id: @stmt,
+    int kind: int ref,
+    int location: @location_stmt ref
+);
+
+case @stmt.kind of
+    1 = @stmt_expr
+|   2 = @stmt_if
+|   3 = @stmt_while
+|   4 = @stmt_goto
+|   5 = @stmt_label
+|   6 = @stmt_return
+|   7 = @stmt_block
+|   8 = @stmt_end_test_while // do { ... } while ( ... )
+|   9 = @stmt_for
+|  10 = @stmt_switch_case
+|  11 = @stmt_switch
+|  13 = @stmt_asm // "asm" statement or the body of an asm function
+|  15 = @stmt_try_block
+|  16 = @stmt_microsoft_try // Microsoft
+|  17 = @stmt_decl
+|  18 = @stmt_set_vla_size // C99
+|  19 = @stmt_vla_decl // C99
+|  25 = @stmt_assigned_goto // GNU
+|  26 = @stmt_empty
+|  27 = @stmt_continue
+|  28 = @stmt_break
+|  29 = @stmt_range_based_for // C++11
+// ...  30 @stmt_at_autoreleasepool_block deprecated
+// ...  31 @stmt_objc_for_in deprecated
+// ...  32 @stmt_at_synchronized deprecated
+|  33 = @stmt_handler
+// ...  34 @stmt_finally_end deprecated
+|  35 = @stmt_constexpr_if
+|  37 = @stmt_co_return
+|  38 = @stmt_consteval_if
+|  39 = @stmt_not_consteval_if
+;
+
+type_vla(
+    int type_id: @type ref,
+    int decl: @stmt_vla_decl ref
+);
+
+variable_vla(
+    int var: @variable ref,
+    int decl: @stmt_vla_decl ref
+);
+
+type_is_vla(unique int type_id: @derivedtype ref)
+
+if_initialization(
+    unique int if_stmt: @stmt_if ref,
+    int init_id: @stmt ref
+);
+
+if_then(
+    unique int if_stmt: @stmt_if ref,
+    int then_id: @stmt ref
+);
+
+if_else(
+    unique int if_stmt: @stmt_if ref,
+    int else_id: @stmt ref
+);
+
+constexpr_if_initialization(
+    unique int constexpr_if_stmt: @stmt_constexpr_if ref,
+    int init_id: @stmt ref
+);
+
+constexpr_if_then(
+    unique int constexpr_if_stmt: @stmt_constexpr_if ref,
+    int then_id: @stmt ref
+);
+
+constexpr_if_else(
+    unique int constexpr_if_stmt: @stmt_constexpr_if ref,
+    int else_id: @stmt ref
+);
+
+@stmt_consteval_or_not_consteval_if = @stmt_consteval_if | @stmt_not_consteval_if;
+
+consteval_if_then(
+    unique int constexpr_if_stmt: @stmt_consteval_or_not_consteval_if ref,
+    int then_id: @stmt ref
+);
+
+consteval_if_else(
+    unique int constexpr_if_stmt: @stmt_consteval_or_not_consteval_if ref,
+    int else_id: @stmt ref
+);
+
+while_body(
+    unique int while_stmt: @stmt_while ref,
+    int body_id: @stmt ref
+);
+
+do_body(
+    unique int do_stmt: @stmt_end_test_while ref,
+    int body_id: @stmt ref
+);
+
+switch_initialization(
+    unique int switch_stmt: @stmt_switch ref,
+    int init_id: @stmt ref
+);
+
+#keyset[switch_stmt, index]
+switch_case(
+    int switch_stmt: @stmt_switch ref,
+    int index: int ref,
+    int case_id: @stmt_switch_case ref
+);
+
+switch_body(
+    unique int switch_stmt: @stmt_switch ref,
+    int body_id: @stmt ref
+);
+
+@stmt_for_or_range_based_for = @stmt_for
+                             | @stmt_range_based_for;
+
+for_initialization(
+    unique int for_stmt: @stmt_for_or_range_based_for ref,
+    int init_id: @stmt ref
+);
+
+for_condition(
+    unique int for_stmt: @stmt_for ref,
+    int condition_id: @expr ref
+);
+
+for_update(
+    unique int for_stmt: @stmt_for ref,
+    int update_id: @expr ref
+);
+
+for_body(
+    unique int for_stmt: @stmt_for ref,
+    int body_id: @stmt ref
+);
+
+@stmtparent = @stmt | @expr_stmt ;
+stmtparents(
+    unique int id: @stmt ref,
+    int index: int ref,
+    int parent: @stmtparent ref
+);
+
+ishandler(unique int block: @stmt_block ref);
+
+@cfgnode = @stmt | @expr | @function | @initialiser ;
+
+stmt_decl_bind(
+    int stmt: @stmt_decl ref,
+    int num: int ref,
+    int decl: @declaration ref
+);
+
+stmt_decl_entry_bind(
+    int stmt: @stmt_decl ref,
+    int num: int ref,
+    int decl_entry: @element ref
+);
+
+@parameterized_element = @function | @stmt_block | @requires_expr;
+
+blockscope(
+    unique int block: @stmt_block ref,
+    int enclosing: @parameterized_element ref
+);
+
+@jump = @stmt_goto | @stmt_break | @stmt_continue;
+
+@jumporlabel = @jump | @stmt_label | @literal;
+
+jumpinfo(
+    unique int id: @jumporlabel ref,
+    string str: string ref,
+    int target: @stmt ref
+);
+
+preprocdirects(
+    unique int id: @preprocdirect,
+    int kind: int ref,
+    int location: @location_default ref
+);
+case @preprocdirect.kind of
+   0 = @ppd_if
+|  1 = @ppd_ifdef
+|  2 = @ppd_ifndef
+|  3 = @ppd_elif
+|  4 = @ppd_else
+|  5 = @ppd_endif
+|  6 = @ppd_plain_include
+|  7 = @ppd_define
+|  8 = @ppd_undef
+|  9 = @ppd_line
+| 10 = @ppd_error
+| 11 = @ppd_pragma
+| 12 = @ppd_objc_import
+| 13 = @ppd_include_next
+| 14 = @ppd_ms_import
+| 15 = @ppd_elifdef
+| 16 = @ppd_elifndef
+| 18 = @ppd_warning
+;
+
+@ppd_include = @ppd_plain_include | @ppd_objc_import | @ppd_include_next | @ppd_ms_import;
+
+@ppd_branch = @ppd_if | @ppd_ifdef | @ppd_ifndef | @ppd_elif | @ppd_elifdef | @ppd_elifndef;
+
+preprocpair(
+    int begin : @ppd_branch ref,
+    int elseelifend : @preprocdirect ref
+);
+
+preproctrue(int branch : @ppd_branch ref);
+preprocfalse(int branch : @ppd_branch ref);
+
+preproctext(
+    unique int id: @preprocdirect ref,
+    string head: string ref,
+    string body: string ref
+);
+
+includes(
+    unique int id: @ppd_include ref,
+    int included: @file ref
+);
+
+link_targets(
+    int id: @link_target,
+    int binary: @file ref
+);
+
+link_parent(
+    int element : @element ref,
+    int link_target : @link_target ref
+);
+
+/* XML Files */
+
+xmlEncoding(unique int id: @file ref, string encoding: string ref);
+
+xmlDTDs(
+    unique int id: @xmldtd,
+    string root: string ref,
+    string publicId: string ref,
+    string systemId: string ref,
+    int fileid: @file ref
+);
+
+xmlElements(
+    unique int id: @xmlelement,
+    string name: string ref,
+    int parentid: @xmlparent ref,
+    int idx: int ref,
+    int fileid: @file ref
+);
+
+xmlAttrs(
+    unique int id: @xmlattribute,
+    int elementid: @xmlelement ref,
+    string name: string ref,
+    string value: string ref,
+    int idx: int ref,
+    int fileid: @file ref
+);
+
+xmlNs(
+    int id: @xmlnamespace,
+    string prefixName: string ref,
+    string URI: string ref,
+    int fileid: @file ref
+);
+
+xmlHasNs(
+    int elementId: @xmlnamespaceable ref,
+    int nsId: @xmlnamespace ref,
+    int fileid: @file ref
+);
+
+xmlComments(
+    unique int id: @xmlcomment,
+    string text: string ref,
+    int parentid: @xmlparent ref,
+    int fileid: @file ref
+);
+
+xmlChars(
+    unique int id: @xmlcharacters,
+    string text: string ref,
+    int parentid: @xmlparent ref,
+    int idx: int ref,
+    int isCDATA: int ref,
+    int fileid: @file ref
+);
+
+@xmlparent = @file | @xmlelement;
+@xmlnamespaceable = @xmlelement | @xmlattribute;
+
+xmllocations(
+    int xmlElement: @xmllocatable ref,
+    int location: @location_default ref
+);
+
+@xmllocatable = @xmlcharacters
+              | @xmlelement
+              | @xmlcomment
+              | @xmlattribute
+              | @xmldtd
+              | @file
+              | @xmlnamespace;
diff --git a/cpp/ql/lib/upgrades/0f0a390468a5eb43d1dc72937c028070b106bf53/semmlecode.cpp.dbscheme b/cpp/ql/lib/upgrades/0f0a390468a5eb43d1dc72937c028070b106bf53/semmlecode.cpp.dbscheme
new file mode 100644
index 000000000000..2e2d805ef93d
--- /dev/null
+++ b/cpp/ql/lib/upgrades/0f0a390468a5eb43d1dc72937c028070b106bf53/semmlecode.cpp.dbscheme
@@ -0,0 +1,2448 @@
+
+/**
+ * An invocation of the compiler. Note that more than one file may be
+ * compiled per invocation. For example, this command compiles three
+ * source files:
+ *
+ *   gcc -c f1.c f2.c f3.c
+ *
+ * The `id` simply identifies the invocation, while `cwd` is the working
+ * directory from which the compiler was invoked.
+ */
+compilations(
+    /**
+     * An invocation of the compiler. Note that more than one file may
+     * be compiled per invocation. For example, this command compiles
+     * three source files:
+     *
+     *   gcc -c f1.c f2.c f3.c
+     */
+    unique int id : @compilation,
+    string cwd : string ref
+);
+
+/**
+ * The arguments that were passed to the extractor for a compiler
+ * invocation. If `id` is for the compiler invocation
+ *
+ *   gcc -c f1.c f2.c f3.c
+ *
+ * then typically there will be rows for
+ *
+ * num | arg
+ * --- | ---
+ * 0   | *path to extractor*
+ * 1   | `--mimic`
+ * 2   | `/usr/bin/gcc`
+ * 3   | `-c`
+ * 4   | f1.c
+ * 5   | f2.c
+ * 6   | f3.c
+ */
+#keyset[id, num]
+compilation_args(
+    int id : @compilation ref,
+    int num : int ref,
+    string arg : string ref
+);
+
+/**
+ * Optionally, record the build mode for each compilation.
+ */
+compilation_build_mode(
+    unique int id : @compilation ref,
+    int mode : int ref
+);
+
+/*
+case @compilation_build_mode.mode of
+  0 = @build_mode_none
+| 1 = @build_mode_manual
+| 2 = @build_mode_auto
+;
+*/
+
+/**
+ * The source files that are compiled by a compiler invocation.
+ * If `id` is for the compiler invocation
+ *
+ *   gcc -c f1.c f2.c f3.c
+ *
+ * then there will be rows for
+ *
+ * num | arg
+ * --- | ---
+ * 0   | f1.c
+ * 1   | f2.c
+ * 2   | f3.c
+ *
+ * Note that even if those files `#include` headers, those headers
+ * do not appear as rows.
+ */
+#keyset[id, num]
+compilation_compiling_files(
+    int id : @compilation ref,
+    int num : int ref,
+    int file : @file ref
+);
+
+/**
+ * The time taken by the extractor for a compiler invocation.
+ *
+ * For each file `num`, there will be rows for
+ *
+ * kind | seconds
+ * ---- | ---
+ * 1    | CPU seconds used by the extractor frontend
+ * 2    | Elapsed seconds during the extractor frontend
+ * 3    | CPU seconds used by the extractor backend
+ * 4    | Elapsed seconds during the extractor backend
+ */
+#keyset[id, num, kind]
+compilation_time(
+    int id : @compilation ref,
+    int num : int ref,
+    /* kind:
+       1 = frontend_cpu_seconds
+       2 = frontend_elapsed_seconds
+       3 = extractor_cpu_seconds
+       4 = extractor_elapsed_seconds
+    */
+    int kind : int ref,
+    float seconds : float ref
+);
+
+/**
+ * An error or warning generated by the extractor.
+ * The diagnostic message `diagnostic` was generated during compiler
+ * invocation `compilation`, and is the `file_number_diagnostic_number`th
+ * message generated while extracting the `file_number`th file of that
+ * invocation.
+ */
+#keyset[compilation, file_number, file_number_diagnostic_number]
+diagnostic_for(
+    int diagnostic : @diagnostic ref,
+    int compilation : @compilation ref,
+    int file_number : int ref,
+    int file_number_diagnostic_number : int ref
+);
+
+/**
+ * If extraction was successful, then `cpu_seconds` and
+ * `elapsed_seconds` are the CPU time and elapsed time (respectively)
+ * that extraction took for compiler invocation `id`.
+ */
+compilation_finished(
+    unique int id : @compilation ref,
+    float cpu_seconds : float ref,
+    float elapsed_seconds : float ref
+);
+
+
+/**
+ * External data, loaded from CSV files during snapshot creation. See
+ * [Tutorial: Incorporating external data](https://help.semmle.com/wiki/display/SD/Tutorial%3A+Incorporating+external+data)
+ * for more information.
+ */
+externalData(
+    int id : @externalDataElement,
+    string path : string ref,
+    int column: int ref,
+    string value : string ref
+);
+
+/**
+ * The source location of the snapshot.
+ */
+sourceLocationPrefix(string prefix : string ref);
+
+/**
+ * Information about packages that provide code used during compilation.
+ * The `id` is just a unique identifier.
+ * The `namespace` is typically the name of the package manager that
+ * provided the package (e.g. "dpkg" or "yum").
+ * The `package_name` is the name of the package, and `version` is its
+ * version (as a string).
+ */
+external_packages(
+    unique int id: @external_package,
+    string namespace : string ref,
+    string package_name : string ref,
+    string version : string ref
+);
+
+/**
+ * Holds if File `fileid` was provided by package `package`.
+ */
+header_to_external_package(
+    int fileid : @file ref,
+    int package : @external_package ref
+);
+
+/*
+ * Version history
+ */
+
+svnentries(
+    unique int id : @svnentry,
+    string revision : string ref,
+    string author : string ref,
+    date revisionDate : date ref,
+    int changeSize : int ref
+)
+
+svnaffectedfiles(
+    int id : @svnentry ref,
+    int file : @file ref,
+    string action : string ref
+)
+
+svnentrymsg(
+    unique int id : @svnentry ref,
+    string message : string ref
+)
+
+svnchurn(
+    int commit : @svnentry ref,
+    int file : @file ref,
+    int addedLines : int ref,
+    int deletedLines : int ref
+)
+
+/*
+ * C++ dbscheme
+ */
+
+extractor_version(
+    string codeql_version: string ref,
+    string frontend_version: string ref
+)
+
+@location = @location_stmt | @location_expr | @location_default ;
+
+/**
+ * The location of an element that is not an expression or a statement.
+ * The location spans column `startcolumn` of line `startline` to
+ * column `endcolumn` of line `endline` in file `file`.
+ * For more information, see
+ * [Locations](https://codeql.github.com/docs/writing-codeql-queries/providing-locations-in-codeql-queries/).
+ */
+locations_default(
+    /** The location of an element that is not an expression or a statement. */
+    unique int id: @location_default,
+    int container: @container ref,
+    int startLine: int ref,
+    int startColumn: int ref,
+    int endLine: int ref,
+    int endColumn: int ref
+);
+
+/**
+ * The location of a statement.
+ * The location spans column `startcolumn` of line `startline` to
+ * column `endcolumn` of line `endline` in file `file`.
+ * For more information, see
+ * [Locations](https://codeql.github.com/docs/writing-codeql-queries/providing-locations-in-codeql-queries/).
+ */
+locations_stmt(
+    /** The location of a statement. */
+    unique int id: @location_stmt,
+    int container: @container ref,
+    int startLine: int ref,
+    int startColumn: int ref,
+    int endLine: int ref,
+    int endColumn: int ref
+);
+
+/**
+ * The location of an expression.
+ * The location spans column `startcolumn` of line `startline` to
+ * column `endcolumn` of line `endline` in file `file`.
+ * For more information, see
+ * [Locations](https://codeql.github.com/docs/writing-codeql-queries/providing-locations-in-codeql-queries/).
+ */
+locations_expr(
+    /** The location of an expression. */
+    unique int id: @location_expr,
+    int container: @container ref,
+    int startLine: int ref,
+    int startColumn: int ref,
+    int endLine: int ref,
+    int endColumn: int ref
+);
+
+/** An element for which line-count information is available. */
+@sourceline = @file | @function | @variable | @enumconstant | @xmllocatable;
+
+numlines(
+    int element_id: @sourceline ref,
+    int num_lines: int ref,
+    int num_code: int ref,
+    int num_comment: int ref
+);
+
+diagnostics(
+    unique int id: @diagnostic,
+    int severity: int ref,
+    string error_tag: string ref,
+    string error_message: string ref,
+    string full_error_message: string ref,
+    int location: @location_default ref
+);
+
+files(
+    unique int id: @file,
+    string name: string ref
+);
+
+folders(
+    unique int id: @folder,
+    string name: string ref
+);
+
+@container = @folder | @file
+
+containerparent(
+    int parent: @container ref,
+    unique int child: @container ref
+);
+
+fileannotations(
+    int id: @file ref,
+    int kind: int ref,
+    string name: string ref,
+    string value: string ref
+);
+
+inmacroexpansion(
+    int id: @element ref,
+    int inv: @macroinvocation ref
+);
+
+affectedbymacroexpansion(
+    int id: @element ref,
+    int inv: @macroinvocation ref
+);
+
+case @macroinvocation.kind of
+  1 = @macro_expansion
+| 2 = @other_macro_reference
+;
+
+macroinvocations(
+    unique int id: @macroinvocation,
+    int macro_id: @ppd_define ref,
+    int location: @location_default ref,
+    int kind: int ref
+);
+
+macroparent(
+    unique int id: @macroinvocation ref,
+    int parent_id: @macroinvocation ref
+);
+
+// a macroinvocation may be part of another location
+// the way to find a constant expression that uses a macro
+// is thus to find a constant expression that has a location
+// to which a macro invocation is bound
+macrolocationbind(
+    int id: @macroinvocation ref,
+    int location: @location ref
+);
+
+#keyset[invocation, argument_index]
+macro_argument_unexpanded(
+    int invocation: @macroinvocation ref,
+    int argument_index: int ref,
+    string text: string ref
+);
+
+#keyset[invocation, argument_index]
+macro_argument_expanded(
+    int invocation: @macroinvocation ref,
+    int argument_index: int ref,
+    string text: string ref
+);
+
+/*
+case @function.kind of
+  1 = @normal_function
+| 2 = @constructor
+| 3 = @destructor
+| 4 = @conversion_function
+| 5 = @operator
+| 6 = @builtin_function     // GCC built-in functions, e.g. __builtin___memcpy_chk
+| 7 = @user_defined_literal
+| 8 = @deduction_guide
+;
+*/
+
+functions(
+    unique int id: @function,
+    string name: string ref,
+    int kind: int ref
+);
+
+function_entry_point(
+    int id: @function ref,
+    unique int entry_point: @stmt ref
+);
+
+function_return_type(
+    int id: @function ref,
+    int return_type: @type ref
+);
+
+/**
+ * If `function` is a coroutine, then this gives the `std::experimental::resumable_traits`
+ * instance associated with it, and the variables representing the `handle` and `promise`
+ * for it.
+ */
+coroutine(
+  unique int function: @function ref,
+  int traits: @type ref
+);
+
+/*
+case @coroutine_placeholder_variable.kind of
+  1 = @handle
+| 2 = @promise
+| 3 = @init_await_resume
+;
+*/
+
+coroutine_placeholder_variable(
+  unique int placeholder_variable: @variable ref,
+  int kind: int ref,
+  int function: @function ref
+)
+
+/** The `new` function used for allocating the coroutine state, if any. */
+coroutine_new(
+  unique int function: @function ref,
+  int new: @function ref
+);
+
+/** The `delete` function used for deallocating the coroutine state, if any. */
+coroutine_delete(
+  unique int function: @function ref,
+  int delete: @function ref
+);
+
+purefunctions(unique int id: @function ref);
+
+function_deleted(unique int id: @function ref);
+
+function_defaulted(unique int id: @function ref);
+
+function_prototyped(unique int id: @function ref)
+
+deduction_guide_for_class(
+    int id: @function ref,
+    int class_template: @usertype ref
+)
+
+member_function_this_type(
+    unique int id: @function ref,
+    int this_type: @type ref
+);
+
+#keyset[id, type_id]
+fun_decls(
+    int id: @fun_decl,
+    int function: @function ref,
+    int type_id: @type ref,
+    string name: string ref,
+    int location: @location_default ref
+);
+fun_def(unique int id: @fun_decl ref);
+fun_specialized(unique int id: @fun_decl ref);
+fun_implicit(unique int id: @fun_decl ref);
+fun_decl_specifiers(
+    int id: @fun_decl ref,
+    string name: string ref
+)
+#keyset[fun_decl, index]
+fun_decl_throws(
+    int fun_decl: @fun_decl ref,
+    int index: int ref,
+    int type_id: @type ref
+);
+/* an empty throw specification is different from none */
+fun_decl_empty_throws(unique int fun_decl: @fun_decl ref);
+fun_decl_noexcept(
+    int fun_decl: @fun_decl ref,
+    int constant: @expr ref
+);
+fun_decl_empty_noexcept(int fun_decl: @fun_decl ref);
+fun_decl_typedef_type(
+    unique int fun_decl: @fun_decl ref,
+    int typedeftype_id: @usertype ref
+);
+
+/*
+case @fun_requires.kind of
+  1 = @template_attached
+| 2 = @function_attached
+;
+*/
+
+fun_requires(
+    int id: @fun_decl ref,
+    int kind: int ref,
+    int constraint: @expr ref
+);
+
+param_decl_bind(
+    unique int id: @var_decl ref,
+    int index: int ref,
+    int fun_decl: @fun_decl ref
+);
+
+#keyset[id, type_id]
+var_decls(
+    int id: @var_decl,
+    int variable: @variable ref,
+    int type_id: @type ref,
+    string name: string ref,
+    int location: @location_default ref
+);
+var_def(unique int id: @var_decl ref);
+var_specialized(int id: @var_decl ref);
+var_decl_specifiers(
+    int id: @var_decl ref,
+    string name: string ref
+)
+is_structured_binding(unique int id: @variable ref);
+var_requires(
+    int id: @var_decl ref,
+    int constraint: @expr ref
+);
+
+type_decls(
+    unique int id: @type_decl,
+    int type_id: @type ref,
+    int location: @location_default ref
+);
+type_def(unique int id: @type_decl ref);
+type_decl_top(
+    unique int type_decl: @type_decl ref
+);
+type_requires(
+    int id: @type_decl ref,
+    int constraint: @expr ref
+);
+
+namespace_decls(
+    unique int id: @namespace_decl,
+    int namespace_id: @namespace ref,
+    int location: @location_default ref,
+    int bodylocation: @location_default ref
+);
+
+case @using.kind of
+  1 = @using_declaration
+| 2 = @using_directive
+| 3 = @using_enum_declaration
+;
+
+usings(
+    unique int id: @using,
+    int element_id: @element ref,
+    int location: @location_default ref,
+    int kind: int ref
+);
+
+/** The element which contains the `using` declaration. */
+using_container(
+    int parent: @element ref,
+    int child: @using ref
+);
+
+static_asserts(
+    unique int id: @static_assert,
+    int condition : @expr ref,
+    string message : string ref,
+    int location: @location_default ref,
+    int enclosing : @element ref
+);
+
+// each function has an ordered list of parameters
+#keyset[id, type_id]
+#keyset[function, index, type_id]
+params(
+    int id: @parameter,
+    int function: @parameterized_element ref,
+    int index: int ref,
+    int type_id: @type ref
+);
+
+overrides(
+    int new: @function ref,
+    int old: @function ref
+);
+
+#keyset[id, type_id]
+membervariables(
+    int id: @membervariable,
+    int type_id: @type ref,
+    string name: string ref
+);
+
+#keyset[id, type_id]
+globalvariables(
+    int id: @globalvariable,
+    int type_id: @type ref,
+    string name: string ref
+);
+
+#keyset[id, type_id]
+localvariables(
+    int id: @localvariable,
+    int type_id: @type ref,
+    string name: string ref
+);
+
+autoderivation(
+    unique int var: @variable ref,
+    int derivation_type: @type ref
+);
+
+orphaned_variables(
+    int var: @localvariable ref,
+    int function: @function ref
+)
+
+enumconstants(
+    unique int id: @enumconstant,
+    int parent: @usertype ref,
+    int index: int ref,
+    int type_id: @type ref,
+    string name: string ref,
+    int location: @location_default ref
+);
+
+@variable = @localscopevariable | @globalvariable | @membervariable;
+
+@localscopevariable = @localvariable | @parameter;
+
+/**
+ * Built-in types are the fundamental types, e.g., integral, floating, and void.
+ */
+case @builtintype.kind of
+   1 = @errortype
+|  2 = @unknowntype
+|  3 = @void
+|  4 = @boolean
+|  5 = @char
+|  6 = @unsigned_char
+|  7 = @signed_char
+|  8 = @short
+|  9 = @unsigned_short
+| 10 = @signed_short
+| 11 = @int
+| 12 = @unsigned_int
+| 13 = @signed_int
+| 14 = @long
+| 15 = @unsigned_long
+| 16 = @signed_long
+| 17 = @long_long
+| 18 = @unsigned_long_long
+| 19 = @signed_long_long
+// ... 20 Microsoft-specific __int8
+// ... 21 Microsoft-specific __int16
+// ... 22 Microsoft-specific __int32
+// ... 23 Microsoft-specific __int64
+| 24 = @float
+| 25 = @double
+| 26 = @long_double
+| 27 = @complex_float         // C99-specific _Complex float
+| 28 = @complex_double        // C99-specific _Complex double
+| 29 = @complex_long_double   // C99-specific _Complex long double
+| 30 = @imaginary_float       // C99-specific _Imaginary float
+| 31 = @imaginary_double      // C99-specific _Imaginary double
+| 32 = @imaginary_long_double // C99-specific _Imaginary long double
+| 33 = @wchar_t               // Microsoft-specific
+| 34 = @decltype_nullptr      // C++11
+| 35 = @int128                // __int128
+| 36 = @unsigned_int128       // unsigned __int128
+| 37 = @signed_int128         // signed __int128
+| 38 = @float128              // __float128
+| 39 = @complex_float128      // _Complex __float128
+| 40 = @decimal32             // _Decimal32
+| 41 = @decimal64             // _Decimal64
+| 42 = @decimal128            // _Decimal128
+| 43 = @char16_t
+| 44 = @char32_t
+| 45 = @std_float32           // _Float32
+| 46 = @float32x              // _Float32x
+| 47 = @std_float64           // _Float64
+| 48 = @float64x              // _Float64x
+| 49 = @std_float128          // _Float128
+// ... 50 _Float128x
+| 51 = @char8_t
+| 52 = @float16               // _Float16
+| 53 = @complex_float16       // _Complex _Float16
+| 54 = @fp16                  // __fp16
+| 55 = @std_bfloat16          // __bf16
+| 56 = @std_float16           // std::float16_t
+| 57 = @complex_std_float32   // _Complex _Float32
+| 58 = @complex_float32x      // _Complex _Float32x
+| 59 = @complex_std_float64   // _Complex _Float64
+| 60 = @complex_float64x      // _Complex _Float64x
+| 61 = @complex_std_float128  // _Complex _Float128
+;
+
+builtintypes(
+    unique int id: @builtintype,
+    string name: string ref,
+    int kind: int ref,
+    int size: int ref,
+    int sign: int ref,
+    int alignment: int ref
+);
+
+/**
+ * Derived types are types that are directly derived from existing types and
+ * point to, refer to, transform type data to return a new type.
+ */
+case @derivedtype.kind of
+   1 = @pointer
+|  2 = @reference
+|  3 = @type_with_specifiers
+|  4 = @array
+|  5 = @gnu_vector
+|  6 = @routineptr
+|  7 = @routinereference
+|  8 = @rvalue_reference // C++11
+// ... 9 type_conforming_to_protocols deprecated
+| 10 = @block
+;
+
+derivedtypes(
+    unique int id: @derivedtype,
+    string name: string ref,
+    int kind: int ref,
+    int type_id: @type ref
+);
+
+pointerishsize(unique int id: @derivedtype ref,
+    int size: int ref,
+    int alignment: int ref);
+
+arraysizes(
+    unique int id: @derivedtype ref,
+    int num_elements: int ref,
+    int bytesize: int ref,
+    int alignment: int ref
+);
+
+typedefbase(
+    unique int id: @usertype ref,
+    int type_id: @type ref
+);
+
+/**
+ * An instance of the C++11 `decltype` operator.  For example:
+ * ```
+ * int a;
+ * decltype(1+a) b;
+ * ```
+ * Here `expr` is `1+a`.
+ *
+ * Sometimes an additional pair of parentheses around the expression
+ * would change the semantics of this decltype, e.g.
+ * ```
+ * struct A { double x; };
+ * const A* a = new A();
+ * decltype( a->x ); // type is double
+ * decltype((a->x)); // type is const double&
+ * ```
+ * (Please consult the C++11 standard for more details).
+ * `parentheses_would_change_meaning` is `true` iff that is the case.
+ */
+#keyset[id, expr]
+decltypes(
+    int id: @decltype,
+    int expr: @expr ref,
+    int base_type: @type ref,
+    boolean parentheses_would_change_meaning: boolean ref
+);
+
+/*
+case @usertype.kind of
+|  0 = @unknown_usertype
+|  1 = @struct
+|  2 = @class
+|  3 = @union
+|  4 = @enum
+// ... 5 = @typedef deprecated        // classic C: typedef typedef type name
+// ... 6 = @template deprecated
+|  7 = @template_parameter
+|  8 = @template_template_parameter
+|  9 = @proxy_class                   // a proxy class associated with a template parameter
+// ... 10 objc_class deprecated
+// ... 11 objc_protocol deprecated
+// ... 12 objc_category deprecated
+| 13 = @scoped_enum
+// ... 14 = @using_alias deprecated   // a using name = type style typedef
+| 15 = @template_struct
+| 16 = @template_class
+| 17 = @template_union
+| 18 = @alias
+;
+*/
+
+usertypes(
+    unique int id: @usertype,
+    string name: string ref,
+    int kind: int ref
+);
+
+usertypesize(
+    unique int id: @usertype ref,
+    int size: int ref,
+    int alignment: int ref
+);
+
+usertype_final(unique int id: @usertype ref);
+
+usertype_uuid(
+    unique int id: @usertype ref,
+    string uuid: string ref
+);
+
+/*
+case @usertype.alias_kind of
+| 0 = @typedef
+| 1 = @alias
+*/
+
+usertype_alias_kind(
+    int id: @usertype ref,
+    int alias_kind: int ref
+)
+
+nontype_template_parameters(
+    int id: @expr ref
+);
+
+type_template_type_constraint(
+    int id: @usertype ref,
+    int constraint: @expr ref
+);
+
+mangled_name(
+    unique int id: @declaration ref,
+    int mangled_name : @mangledname,
+    boolean is_complete: boolean ref
+);
+
+is_pod_class(unique int id: @usertype ref);
+is_standard_layout_class(unique int id: @usertype ref);
+
+is_complete(unique int id: @usertype ref);
+
+is_class_template(unique int id: @usertype ref);
+class_instantiation(
+    int to: @usertype ref,
+    int from: @usertype ref
+);
+class_template_argument(
+    int type_id: @usertype ref,
+    int index: int ref,
+    int arg_type: @type ref
+);
+class_template_argument_value(
+    int type_id: @usertype ref,
+    int index: int ref,
+    int arg_value: @expr ref
+);
+
+@user_or_decltype = @usertype | @decltype;
+
+is_proxy_class_for(
+    unique int id: @usertype ref,
+    int templ_param_id: @user_or_decltype ref
+);
+
+type_mentions(
+    unique int id: @type_mention,
+    int type_id: @type ref,
+    int location: @location ref,
+    // a_symbol_reference_kind from the frontend.
+    int kind: int ref
+);
+
+is_function_template(unique int id: @function ref);
+function_instantiation(
+    unique int to: @function ref,
+    int from: @function ref
+);
+function_template_argument(
+    int function_id: @function ref,
+    int index: int ref,
+    int arg_type: @type ref
+);
+function_template_argument_value(
+    int function_id: @function ref,
+    int index: int ref,
+    int arg_value: @expr ref
+);
+
+is_variable_template(unique int id: @variable ref);
+variable_instantiation(
+    unique int to: @variable ref,
+    int from: @variable ref
+);
+variable_template_argument(
+    int variable_id: @variable ref,
+    int index: int ref,
+    int arg_type: @type ref
+);
+variable_template_argument_value(
+    int variable_id: @variable ref,
+    int index: int ref,
+    int arg_value: @expr ref
+);
+
+template_template_instantiation(
+    int to: @usertype ref,
+    int from: @usertype ref
+);
+template_template_argument(
+    int type_id: @usertype ref,
+    int index: int ref,
+    int arg_type: @type ref
+);
+template_template_argument_value(
+    int type_id: @usertype ref,
+    int index: int ref,
+    int arg_value: @expr ref
+);
+
+@concept = @concept_template | @concept_id;
+
+concept_templates(
+    unique int concept_id: @concept_template,
+    string name: string ref,
+    int location: @location_default ref
+);
+concept_instantiation(
+    unique int to: @concept_id ref,
+    int from: @concept_template ref
+);
+is_type_constraint(int concept_id: @concept_id ref);
+concept_template_argument(
+    int concept_id: @concept ref,
+    int index: int ref,
+    int arg_type: @type ref
+);
+concept_template_argument_value(
+    int concept_id: @concept ref,
+    int index: int ref,
+    int arg_value: @expr ref
+);
+
+routinetypes(
+    unique int id: @routinetype,
+    int return_type: @type ref
+);
+
+routinetypeargs(
+    int routine: @routinetype ref,
+    int index: int ref,
+    int type_id: @type ref
+);
+
+ptrtomembers(
+    unique int id: @ptrtomember,
+    int type_id: @type ref,
+    int class_id: @type ref
+);
+
+/*
+ specifiers for types, functions, and variables
+
+    "public",
+    "protected",
+    "private",
+
+    "const",
+    "volatile",
+    "static",
+
+    "pure",
+    "virtual",
+    "sealed", // Microsoft
+    "__interface", // Microsoft
+    "inline",
+    "explicit",
+
+    "near", // near far extension
+    "far", // near far extension
+    "__ptr32", // Microsoft
+    "__ptr64", // Microsoft
+    "__sptr", // Microsoft
+    "__uptr", // Microsoft
+    "dllimport", // Microsoft
+    "dllexport", // Microsoft
+    "thread", // Microsoft
+    "naked", // Microsoft
+    "microsoft_inline", // Microsoft
+    "forceinline", // Microsoft
+    "selectany", // Microsoft
+    "nothrow", // Microsoft
+    "novtable", // Microsoft
+    "noreturn", // Microsoft
+    "noinline", // Microsoft
+    "noalias", // Microsoft
+    "restrict", // Microsoft
+*/
+
+specifiers(
+    unique int id: @specifier,
+    unique string str: string ref
+);
+
+typespecifiers(
+    int type_id: @type ref,
+    int spec_id: @specifier ref
+);
+
+funspecifiers(
+    int func_id: @function ref,
+    int spec_id: @specifier ref
+);
+
+varspecifiers(
+    int var_id: @accessible ref,
+    int spec_id: @specifier ref
+);
+
+explicit_specifier_exprs(
+    unique int func_id: @function ref,
+    int constant: @expr ref
+)
+
+attributes(
+    unique int id: @attribute,
+    int kind: int ref,
+    string name: string ref,
+    string name_space: string ref,
+    int location: @location_default ref
+);
+
+case @attribute.kind of
+  0 = @gnuattribute
+| 1 = @stdattribute
+| 2 = @declspec
+| 3 = @msattribute
+| 4 = @alignas
+// ... 5 @objc_propertyattribute deprecated
+;
+
+attribute_args(
+    unique int id: @attribute_arg,
+    int kind: int ref,
+    int attribute: @attribute ref,
+    int index: int ref,
+    int location: @location_default ref
+);
+
+case @attribute_arg.kind of
+  0 = @attribute_arg_empty
+| 1 = @attribute_arg_token
+| 2 = @attribute_arg_constant
+| 3 = @attribute_arg_type
+| 4 = @attribute_arg_constant_expr
+| 5 = @attribute_arg_expr
+;
+
+attribute_arg_value(
+    unique int arg: @attribute_arg ref,
+    string value: string ref
+);
+attribute_arg_type(
+    unique int arg: @attribute_arg ref,
+    int type_id: @type ref
+);
+attribute_arg_constant(
+    unique int arg: @attribute_arg ref,
+    int constant: @expr ref
+)
+attribute_arg_expr(
+    unique int arg: @attribute_arg ref,
+    int expr: @expr ref
+)
+attribute_arg_name(
+    unique int arg: @attribute_arg ref,
+    string name: string ref
+);
+
+typeattributes(
+    int type_id: @type ref,
+    int spec_id: @attribute ref
+);
+
+funcattributes(
+    int func_id: @function ref,
+    int spec_id: @attribute ref
+);
+
+varattributes(
+    int var_id: @accessible ref,
+    int spec_id: @attribute ref
+);
+
+stmtattributes(
+    int stmt_id: @stmt ref,
+    int spec_id: @attribute ref
+);
+
+@type = @builtintype
+      | @derivedtype
+      | @usertype
+      /* TODO | @fixedpointtype */
+      | @routinetype
+      | @ptrtomember
+      | @decltype;
+
+unspecifiedtype(
+    unique int type_id: @type ref,
+    int unspecified_type_id: @type ref
+);
+
+member(
+    int parent: @type ref,
+    int index: int ref,
+    int child: @member ref
+);
+
+@enclosingfunction_child = @usertype | @variable | @namespace
+
+enclosingfunction(
+    unique int child: @enclosingfunction_child ref,
+    int parent: @function ref
+);
+
+derivations(
+    unique int derivation: @derivation,
+    int sub: @type ref,
+    int index: int ref,
+    int super: @type ref,
+    int location: @location_default ref
+);
+
+derspecifiers(
+    int der_id: @derivation ref,
+    int spec_id: @specifier ref
+);
+
+/**
+ * Contains the byte offset of the base class subobject within the derived
+ * class. Only holds for non-virtual base classes, but see table
+ * `virtual_base_offsets` for offsets of virtual base class subobjects.
+ */
+direct_base_offsets(
+    unique int der_id: @derivation ref,
+    int offset: int ref
+);
+
+/**
+ * Contains the byte offset of the virtual base class subobject for class
+ * `super` within a most-derived object of class `sub`. `super` can be either a
+ * direct or indirect base class.
+ */
+#keyset[sub, super]
+virtual_base_offsets(
+    int sub: @usertype ref,
+    int super: @usertype ref,
+    int offset: int ref
+);
+
+frienddecls(
+    unique int id: @frienddecl,
+    int type_id: @type ref,
+    int decl_id: @declaration ref,
+    int location: @location_default ref
+);
+
+@declaredtype = @usertype ;
+
+@declaration = @function
+             | @declaredtype
+             | @variable
+             | @enumconstant
+             | @frienddecl
+             | @concept_template;
+
+@member = @membervariable
+        | @function
+        | @declaredtype
+        | @enumconstant;
+
+@locatable = @diagnostic
+           | @declaration
+           | @ppd_include
+           | @ppd_define
+           | @macroinvocation
+           /*| @funcall*/
+           | @xmllocatable
+           | @attribute
+           | @attribute_arg;
+
+@namedscope = @namespace | @usertype;
+
+@element = @locatable
+         | @file
+         | @folder
+         | @specifier
+         | @type
+         | @expr
+         | @namespace
+         | @initialiser
+         | @stmt
+         | @derivation
+         | @comment
+         | @preprocdirect
+         | @fun_decl
+         | @var_decl
+         | @type_decl
+         | @namespace_decl
+         | @using
+         | @namequalifier
+         | @specialnamequalifyingelement
+         | @static_assert
+         | @type_mention
+         | @lambdacapture;
+
+@exprparent = @element;
+
+comments(
+    unique int id: @comment,
+    string contents: string ref,
+    int location: @location_default ref
+);
+
+commentbinding(
+    int id: @comment ref,
+    int element: @element ref
+);
+
+exprconv(
+    int converted: @expr ref,
+    unique int conversion: @expr ref
+);
+
+compgenerated(unique int id: @element ref);
+
+/**
+ * `destructor_call` destructs the `i`'th entity that should be
+ * destructed following `element`. Note that entities should be
+ * destructed in reverse construction order, so for a given `element`
+ * these should be called from highest to lowest `i`.
+ */
+#keyset[element, destructor_call]
+#keyset[element, i]
+synthetic_destructor_call(
+    int element: @element ref,
+    int i: int ref,
+    int destructor_call: @routineexpr ref
+);
+
+namespaces(
+    unique int id: @namespace,
+    string name: string ref
+);
+
+namespace_inline(
+    unique int id: @namespace ref
+);
+
+namespacembrs(
+    int parentid: @namespace ref,
+    unique int memberid: @namespacembr ref
+);
+
+@namespacembr = @declaration | @namespace;
+
+exprparents(
+    int expr_id: @expr ref,
+    int child_index: int ref,
+    int parent_id: @exprparent ref
+);
+
+expr_isload(unique int expr_id: @expr ref);
+
+@cast = @c_style_cast
+      | @const_cast
+      | @dynamic_cast
+      | @reinterpret_cast
+      | @static_cast
+      ;
+
+/*
+case @conversion.kind of
+  0 = @simple_conversion           // a numeric conversion, qualification conversion, or a reinterpret_cast
+| 1 = @bool_conversion             // conversion to 'bool'
+| 2 = @base_class_conversion       // a derived-to-base conversion
+| 3 = @derived_class_conversion    // a base-to-derived conversion
+| 4 = @pm_base_class_conversion    // a derived-to-base conversion of a pointer to member
+| 5 = @pm_derived_class_conversion // a base-to-derived conversion of a pointer to member
+| 6 = @glvalue_adjust              // an adjustment of the type of a glvalue
+| 7 = @prvalue_adjust              // an adjustment of the type of a prvalue
+;
+*/
+/**
+ * Describes the semantics represented by a cast expression. This is largely
+ * independent of the source syntax of the cast, so it is separate from the
+ * regular expression kind.
+ */
+conversionkinds(
+    unique int expr_id: @cast ref,
+    int kind: int ref
+);
+
+@conversion = @cast
+            | @array_to_pointer
+            | @parexpr
+            | @reference_to
+            | @ref_indirect
+            | @temp_init
+            | @c11_generic
+            ;
+
+/*
+case @funbindexpr.kind of
+  0 = @normal_call  // a normal call
+| 1 = @virtual_call // a virtual call
+| 2 = @adl_call     // a call whose target is only found by ADL
+;
+*/
+iscall(
+    unique int caller: @funbindexpr ref,
+    int kind: int ref
+);
+
+numtemplatearguments(
+    unique int expr_id: @expr ref,
+    int num: int ref
+);
+
+specialnamequalifyingelements(
+    unique int id: @specialnamequalifyingelement,
+    unique string name: string ref
+);
+
+@namequalifiableelement = @expr | @namequalifier;
+@namequalifyingelement = @namespace
+                       | @specialnamequalifyingelement
+                       | @usertype;
+
+namequalifiers(
+    unique int id: @namequalifier,
+    unique int qualifiableelement: @namequalifiableelement ref,
+    int qualifyingelement: @namequalifyingelement ref,
+    int location: @location_default ref
+);
+
+varbind(
+    int expr: @varbindexpr ref,
+    int var: @accessible ref
+);
+
+funbind(
+    int expr: @funbindexpr ref,
+    int fun: @function ref
+);
+
+@any_new_expr = @new_expr
+              | @new_array_expr;
+
+@new_or_delete_expr = @any_new_expr
+                    | @delete_expr
+                    | @delete_array_expr;
+
+@prefix_crement_expr = @preincrexpr | @predecrexpr;
+
+@postfix_crement_expr = @postincrexpr | @postdecrexpr;
+
+@increment_expr = @preincrexpr | @postincrexpr;
+
+@decrement_expr = @predecrexpr | @postdecrexpr;
+
+@crement_expr = @increment_expr | @decrement_expr;
+
+@un_arith_op_expr = @arithnegexpr
+                  | @unaryplusexpr
+                  | @conjugation
+                  | @realpartexpr
+                  | @imagpartexpr
+                  | @crement_expr
+                  ;
+
+@un_bitwise_op_expr = @complementexpr;
+
+@un_log_op_expr = @notexpr;
+
+@un_op_expr = @address_of
+            | @indirect
+            | @un_arith_op_expr
+            | @un_bitwise_op_expr
+            | @builtinaddressof
+            | @vec_fill
+            | @un_log_op_expr
+            | @co_await
+            | @co_yield
+            ;
+
+@bin_log_op_expr = @andlogicalexpr | @orlogicalexpr;
+
+@cmp_op_expr = @eq_op_expr | @rel_op_expr;
+
+@eq_op_expr = @eqexpr | @neexpr;
+
+@rel_op_expr = @gtexpr
+             | @ltexpr
+             | @geexpr
+             | @leexpr
+             | @spaceshipexpr
+             ;
+
+@bin_bitwise_op_expr = @lshiftexpr
+                     | @rshiftexpr
+                     | @andexpr
+                     | @orexpr
+                     | @xorexpr
+                     ;
+
+@p_arith_op_expr = @paddexpr
+                 | @psubexpr
+                 | @pdiffexpr
+                 ;
+
+@bin_arith_op_expr = @addexpr
+                   | @subexpr
+                   | @mulexpr
+                   | @divexpr
+                   | @remexpr
+                   | @jmulexpr
+                   | @jdivexpr
+                   | @fjaddexpr
+                   | @jfaddexpr
+                   | @fjsubexpr
+                   | @jfsubexpr
+                   | @minexpr
+                   | @maxexpr
+                   | @p_arith_op_expr
+                   ;
+
+@bin_op_expr = @bin_arith_op_expr
+             | @bin_bitwise_op_expr
+             | @cmp_op_expr
+             | @bin_log_op_expr
+             ;
+
+@op_expr = @un_op_expr
+         | @bin_op_expr
+         | @assign_expr
+         | @conditionalexpr
+         ;
+
+@assign_arith_expr = @assignaddexpr
+                   | @assignsubexpr
+                   | @assignmulexpr
+                   | @assigndivexpr
+                   | @assignremexpr
+                   ;
+
+@assign_bitwise_expr = @assignandexpr
+                     | @assignorexpr
+                     | @assignxorexpr
+                     | @assignlshiftexpr
+                     | @assignrshiftexpr
+                     ;
+
+@assign_pointer_expr = @assignpaddexpr
+                     | @assignpsubexpr
+                     ;
+
+@assign_op_expr = @assign_arith_expr
+                | @assign_bitwise_expr
+                | @assign_pointer_expr
+                ;
+
+@assign_expr = @assignexpr | @assign_op_expr | @blockassignexpr
+
+/*
+  Binary encoding of the allocator form.
+
+  case @allocator.form of
+    0 = plain
+  | 1 = alignment
+  ;
+*/
+
+/**
+ * The allocator function associated with a `new` or `new[]` expression.
+ * The `form` column specified whether the allocation call contains an alignment
+ * argument.
+ */
+expr_allocator(
+    unique int expr: @any_new_expr ref,
+    int func: @function ref,
+    int form: int ref
+);
+
+/*
+  Binary encoding of the deallocator form.
+
+  case @deallocator.form of
+    0 = plain
+  | 1 = size
+  | 2 = alignment
+  | 4 = destroying_delete
+  ;
+*/
+
+/**
+ * The deallocator function associated with a `delete`, `delete[]`, `new`, or
+ * `new[]` expression. For a `new` or `new[]` expression, the deallocator is the
+ * one used to free memory if the initialization throws an exception.
+ * The `form` column specifies whether the deallocation call contains a size
+ * argument, and alignment argument, or both.
+ */
+expr_deallocator(
+    unique int expr: @new_or_delete_expr ref,
+    int func: @function ref,
+    int form: int ref
+);
+
+/**
+ * Holds if the `@conditionalexpr` is of the two operand form
+ * `guard ? : false`.
+ */
+expr_cond_two_operand(
+    unique int cond: @conditionalexpr ref
+);
+
+/**
+ * The guard of `@conditionalexpr` `guard ? true : false`
+ */
+expr_cond_guard(
+    unique int cond: @conditionalexpr ref,
+    int guard: @expr ref
+);
+
+/**
+ * The expression used when the guard of `@conditionalexpr`
+ * `guard ? true : false` holds. For the two operand form
+ * `guard ?: false` consider using `expr_cond_guard` instead.
+ */
+expr_cond_true(
+    unique int cond: @conditionalexpr ref,
+    int true: @expr ref
+);
+
+/**
+ * The expression used when the guard of `@conditionalexpr`
+ * `guard ? true : false` does not hold.
+ */
+expr_cond_false(
+    unique int cond: @conditionalexpr ref,
+    int false: @expr ref
+);
+
+/** A string representation of the value. */
+values(
+    unique int id: @value,
+    string str: string ref
+);
+
+/** The actual text in the source code for the value, if any. */
+valuetext(
+    unique int id: @value ref,
+    string text: string ref
+);
+
+valuebind(
+    int val: @value ref,
+    unique int expr: @expr ref
+);
+
+fieldoffsets(
+    unique int id: @variable ref,
+    int byteoffset: int ref,
+    int bitoffset: int ref
+);
+
+bitfield(
+    unique int id: @variable ref,
+    int bits: int ref,
+    int declared_bits: int ref
+);
+
+/* TODO
+memberprefix(
+    int member: @expr ref,
+    int prefix: @expr ref
+);
+*/
+
+/*
+   kind(1) = mbrcallexpr
+   kind(2) = mbrptrcallexpr
+   kind(3) = mbrptrmbrcallexpr
+   kind(4) = ptrmbrptrmbrcallexpr
+   kind(5) = mbrreadexpr // x.y
+   kind(6) = mbrptrreadexpr // p->y
+   kind(7) = mbrptrmbrreadexpr // x.*pm
+   kind(8) = mbrptrmbrptrreadexpr // x->*pm
+   kind(9) = staticmbrreadexpr // static x.y
+   kind(10) = staticmbrptrreadexpr // static p->y
+*/
+/* TODO
+memberaccess(
+    int member: @expr ref,
+    int kind: int ref
+);
+*/
+
+initialisers(
+    unique int init: @initialiser,
+    int var: @accessible ref,
+    unique int expr: @expr ref,
+    int location: @location_expr ref
+);
+
+braced_initialisers(
+    int init: @initialiser ref
+);
+
+/**
+ * An ancestor for the expression, for cases in which we cannot
+ * otherwise find the expression's parent.
+ */
+expr_ancestor(
+    int exp: @expr ref,
+    int ancestor: @element ref
+);
+
+exprs(
+    unique int id: @expr,
+    int kind: int ref,
+    int location: @location_expr ref
+);
+
+expr_reuse(
+    int reuse: @expr ref,
+    int original: @expr ref,
+    int value_category: int ref
+)
+
+/*
+  case @value.category of
+    1 = prval
+  | 2 = xval
+  | 3 = lval
+  ;
+*/
+expr_types(
+    int id: @expr ref,
+    int typeid: @type ref,
+    int value_category: int ref
+);
+
+case @expr.kind of
+    1 = @errorexpr
+|   2 = @address_of // & AddressOfExpr
+|   3 = @reference_to // ReferenceToExpr (implicit?)
+|   4 = @indirect // * PointerDereferenceExpr
+|   5 = @ref_indirect // ReferenceDereferenceExpr (implicit?)
+// ...
+|   8 = @array_to_pointer // (???)
+|   9 = @vacuous_destructor_call // VacuousDestructorCall
+// ...
+|  11 = @assume // Microsoft
+|  12 = @parexpr
+|  13 = @arithnegexpr
+|  14 = @unaryplusexpr
+|  15 = @complementexpr
+|  16 = @notexpr
+|  17 = @conjugation // GNU ~ operator
+|  18 = @realpartexpr // GNU __real
+|  19 = @imagpartexpr // GNU __imag
+|  20 = @postincrexpr
+|  21 = @postdecrexpr
+|  22 = @preincrexpr
+|  23 = @predecrexpr
+|  24 = @conditionalexpr
+|  25 = @addexpr
+|  26 = @subexpr
+|  27 = @mulexpr
+|  28 = @divexpr
+|  29 = @remexpr
+|  30 = @jmulexpr // C99 mul imaginary
+|  31 = @jdivexpr // C99 div imaginary
+|  32 = @fjaddexpr // C99 add real + imaginary
+|  33 = @jfaddexpr // C99 add imaginary + real
+|  34 = @fjsubexpr // C99 sub real - imaginary
+|  35 = @jfsubexpr // C99 sub imaginary - real
+|  36 = @paddexpr // pointer add (pointer + int or int + pointer)
+|  37 = @psubexpr // pointer sub (pointer - integer)
+|  38 = @pdiffexpr // difference between two pointers
+|  39 = @lshiftexpr
+|  40 = @rshiftexpr
+|  41 = @andexpr
+|  42 = @orexpr
+|  43 = @xorexpr
+|  44 = @eqexpr
+|  45 = @neexpr
+|  46 = @gtexpr
+|  47 = @ltexpr
+|  48 = @geexpr
+|  49 = @leexpr
+|  50 = @minexpr // GNU minimum
+|  51 = @maxexpr // GNU maximum
+|  52 = @assignexpr
+|  53 = @assignaddexpr
+|  54 = @assignsubexpr
+|  55 = @assignmulexpr
+|  56 = @assigndivexpr
+|  57 = @assignremexpr
+|  58 = @assignlshiftexpr
+|  59 = @assignrshiftexpr
+|  60 = @assignandexpr
+|  61 = @assignorexpr
+|  62 = @assignxorexpr
+|  63 = @assignpaddexpr // assign pointer add
+|  64 = @assignpsubexpr // assign pointer sub
+|  65 = @andlogicalexpr
+|  66 = @orlogicalexpr
+|  67 = @commaexpr
+|  68 = @subscriptexpr // access to member of an array, e.g., a[5]
+// ...  69 @objc_subscriptexpr deprecated
+// ...  70 @cmdaccess deprecated
+// ...
+|  73 = @virtfunptrexpr
+|  74 = @callexpr
+// ...  75 @msgexpr_normal deprecated
+// ...  76 @msgexpr_super deprecated
+// ...  77 @atselectorexpr deprecated
+// ...  78 @atprotocolexpr deprecated
+|  79 = @vastartexpr
+|  80 = @vaargexpr
+|  81 = @vaendexpr
+|  82 = @vacopyexpr
+// ...  83 @atencodeexpr deprecated
+|  84 = @varaccess
+|  85 = @thisaccess
+// ...  86 @objc_box_expr deprecated
+|  87 = @new_expr
+|  88 = @delete_expr
+|  89 = @throw_expr
+|  90 = @condition_decl // a variable declared in a condition, e.g., if(int x = y > 2)
+|  91 = @braced_init_list
+|  92 = @type_id
+|  93 = @runtime_sizeof
+|  94 = @runtime_alignof
+|  95 = @sizeof_pack
+|  96 = @expr_stmt // GNU extension
+|  97 = @routineexpr
+|  98 = @type_operand // used to access a type in certain contexts (haven't found any examples yet....)
+|  99 = @offsetofexpr // offsetof ::= type and field
+| 100 = @hasassignexpr // __has_assign ::= type
+| 101 = @hascopyexpr // __has_copy ::= type
+| 102 = @hasnothrowassign // __has_nothrow_assign ::= type
+| 103 = @hasnothrowconstr // __has_nothrow_constructor ::= type
+| 104 = @hasnothrowcopy // __has_nothrow_copy ::= type
+| 105 = @hastrivialassign // __has_trivial_assign ::= type
+| 106 = @hastrivialconstr // __has_trivial_constructor ::= type
+| 107 = @hastrivialcopy // __has_trivial_copy ::= type
+| 108 = @hasuserdestr // __has_user_destructor ::= type
+| 109 = @hasvirtualdestr // __has_virtual_destructor ::= type
+| 110 = @isabstractexpr // __is_abstract ::= type
+| 111 = @isbaseofexpr // __is_base_of ::= type type
+| 112 = @isclassexpr // __is_class ::= type
+| 113 = @isconvtoexpr // __is_convertible_to ::= type type
+| 114 = @isemptyexpr // __is_empty ::= type
+| 115 = @isenumexpr // __is_enum ::= type
+| 116 = @ispodexpr // __is_pod ::= type
+| 117 = @ispolyexpr // __is_polymorphic ::= type
+| 118 = @isunionexpr // __is_union ::= type
+| 119 = @typescompexpr // GNU __builtin_types_compatible ::= type type
+| 120 = @intaddrexpr // frontend internal builtin, used to implement offsetof
+// ...
+| 122 = @hastrivialdestructor // __has_trivial_destructor ::= type
+| 123 = @literal
+| 124 = @uuidof
+| 127 = @aggregateliteral
+| 128 = @delete_array_expr
+| 129 = @new_array_expr
+// ... 130 @objc_array_literal deprecated
+// ... 131 @objc_dictionary_literal deprecated
+| 132 = @foldexpr
+// ...
+| 200 = @ctordirectinit
+| 201 = @ctorvirtualinit
+| 202 = @ctorfieldinit
+| 203 = @ctordelegatinginit
+| 204 = @dtordirectdestruct
+| 205 = @dtorvirtualdestruct
+| 206 = @dtorfielddestruct
+// ...
+| 210 = @static_cast
+| 211 = @reinterpret_cast
+| 212 = @const_cast
+| 213 = @dynamic_cast
+| 214 = @c_style_cast
+| 215 = @lambdaexpr
+| 216 = @param_ref
+| 217 = @noopexpr
+// ...
+| 294 = @istriviallyconstructibleexpr
+| 295 = @isdestructibleexpr
+| 296 = @isnothrowdestructibleexpr
+| 297 = @istriviallydestructibleexpr
+| 298 = @istriviallyassignableexpr
+| 299 = @isnothrowassignableexpr
+| 300 = @istrivialexpr
+| 301 = @isstandardlayoutexpr
+| 302 = @istriviallycopyableexpr
+| 303 = @isliteraltypeexpr
+| 304 = @hastrivialmoveconstructorexpr
+| 305 = @hastrivialmoveassignexpr
+| 306 = @hasnothrowmoveassignexpr
+| 307 = @isconstructibleexpr
+| 308 = @isnothrowconstructibleexpr
+| 309 = @hasfinalizerexpr
+| 310 = @isdelegateexpr
+| 311 = @isinterfaceclassexpr
+| 312 = @isrefarrayexpr
+| 313 = @isrefclassexpr
+| 314 = @issealedexpr
+| 315 = @issimplevalueclassexpr
+| 316 = @isvalueclassexpr
+| 317 = @isfinalexpr
+| 319 = @noexceptexpr
+| 320 = @builtinshufflevector
+| 321 = @builtinchooseexpr
+| 322 = @builtinaddressof
+| 323 = @vec_fill
+| 324 = @builtinconvertvector
+| 325 = @builtincomplex
+| 326 = @spaceshipexpr
+| 327 = @co_await
+| 328 = @co_yield
+| 329 = @temp_init
+| 330 = @isassignable
+| 331 = @isaggregate
+| 332 = @hasuniqueobjectrepresentations
+| 333 = @builtinbitcast
+| 334 = @builtinshuffle
+| 335 = @blockassignexpr
+| 336 = @issame
+| 337 = @isfunction
+| 338 = @islayoutcompatible
+| 339 = @ispointerinterconvertiblebaseof
+| 340 = @isarray
+| 341 = @arrayrank
+| 342 = @arrayextent
+| 343 = @isarithmetic
+| 344 = @iscompletetype
+| 345 = @iscompound
+| 346 = @isconst
+| 347 = @isfloatingpoint
+| 348 = @isfundamental
+| 349 = @isintegral
+| 350 = @islvaluereference
+| 351 = @ismemberfunctionpointer
+| 352 = @ismemberobjectpointer
+| 353 = @ismemberpointer
+| 354 = @isobject
+| 355 = @ispointer
+| 356 = @isreference
+| 357 = @isrvaluereference
+| 358 = @isscalar
+| 359 = @issigned
+| 360 = @isunsigned
+| 361 = @isvoid
+| 362 = @isvolatile
+| 363 = @reuseexpr
+| 364 = @istriviallycopyassignable
+| 365 = @isassignablenopreconditioncheck
+| 366 = @referencebindstotemporary
+| 367 = @issameas
+| 368 = @builtinhasattribute
+| 369 = @ispointerinterconvertiblewithclass
+| 370 = @builtinispointerinterconvertiblewithclass
+| 371 = @iscorrespondingmember
+| 372 = @builtiniscorrespondingmember
+| 373 = @isboundedarray
+| 374 = @isunboundedarray
+| 375 = @isreferenceable
+| 378 = @isnothrowconvertible
+| 379 = @referenceconstructsfromtemporary
+| 380 = @referenceconvertsfromtemporary
+| 381 = @isconvertible
+| 382 = @isvalidwinrttype
+| 383 = @iswinclass
+| 384 = @iswininterface
+| 385 = @istriviallyequalitycomparable
+| 386 = @isscopedenum
+| 387 = @istriviallyrelocatable
+| 388 = @datasizeof
+| 389 = @c11_generic
+| 390 = @requires_expr
+| 391 = @nested_requirement
+| 392 = @compound_requirement
+| 393 = @concept_id
+;
+
+@var_args_expr = @vastartexpr
+               | @vaendexpr
+               | @vaargexpr
+               | @vacopyexpr
+               ;
+
+@builtin_op = @var_args_expr
+            | @noopexpr
+            | @offsetofexpr
+            | @intaddrexpr
+            | @hasassignexpr
+            | @hascopyexpr
+            | @hasnothrowassign
+            | @hasnothrowconstr
+            | @hasnothrowcopy
+            | @hastrivialassign
+            | @hastrivialconstr
+            | @hastrivialcopy
+            | @hastrivialdestructor
+            | @hasuserdestr
+            | @hasvirtualdestr
+            | @isabstractexpr
+            | @isbaseofexpr
+            | @isclassexpr
+            | @isconvtoexpr
+            | @isemptyexpr
+            | @isenumexpr
+            | @ispodexpr
+            | @ispolyexpr
+            | @isunionexpr
+            | @typescompexpr
+            | @builtinshufflevector
+            | @builtinconvertvector
+            | @builtinaddressof
+            | @istriviallyconstructibleexpr
+            | @isdestructibleexpr
+            | @isnothrowdestructibleexpr
+            | @istriviallydestructibleexpr
+            | @istriviallyassignableexpr
+            | @isnothrowassignableexpr
+            | @istrivialexpr
+            | @isstandardlayoutexpr
+            | @istriviallycopyableexpr
+            | @isliteraltypeexpr
+            | @hastrivialmoveconstructorexpr
+            | @hastrivialmoveassignexpr
+            | @hasnothrowmoveassignexpr
+            | @isconstructibleexpr
+            | @isnothrowconstructibleexpr
+            | @hasfinalizerexpr
+            | @isdelegateexpr
+            | @isinterfaceclassexpr
+            | @isrefarrayexpr
+            | @isrefclassexpr
+            | @issealedexpr
+            | @issimplevalueclassexpr
+            | @isvalueclassexpr
+            | @isfinalexpr
+            | @builtinchooseexpr
+            | @builtincomplex
+            | @isassignable
+            | @isaggregate
+            | @hasuniqueobjectrepresentations
+            | @builtinbitcast
+            | @builtinshuffle
+            | @issame
+            | @isfunction
+            | @islayoutcompatible
+            | @ispointerinterconvertiblebaseof
+            | @isarray
+            | @arrayrank
+            | @arrayextent
+            | @isarithmetic
+            | @iscompletetype
+            | @iscompound
+            | @isconst
+            | @isfloatingpoint
+            | @isfundamental
+            | @isintegral
+            | @islvaluereference
+            | @ismemberfunctionpointer
+            | @ismemberobjectpointer
+            | @ismemberpointer
+            | @isobject
+            | @ispointer
+            | @isreference
+            | @isrvaluereference
+            | @isscalar
+            | @issigned
+            | @isunsigned
+            | @isvoid
+            | @isvolatile
+            | @istriviallycopyassignable
+            | @isassignablenopreconditioncheck
+            | @referencebindstotemporary
+            | @issameas
+            | @builtinhasattribute
+            | @ispointerinterconvertiblewithclass
+            | @builtinispointerinterconvertiblewithclass
+            | @iscorrespondingmember
+            | @builtiniscorrespondingmember
+            | @isboundedarray
+            | @isunboundedarray
+            | @isreferenceable
+            | @isnothrowconvertible
+            | @referenceconstructsfromtemporary
+            | @referenceconvertsfromtemporary
+            | @isconvertible
+            | @isvalidwinrttype
+            | @iswinclass
+            | @iswininterface
+            | @istriviallyequalitycomparable
+            | @isscopedenum
+            | @istriviallyrelocatable
+            ;
+
+compound_requirement_is_noexcept(
+    int expr: @compound_requirement ref
+);
+
+new_allocated_type(
+    unique int expr: @new_expr ref,
+    int type_id: @type ref
+);
+
+new_array_allocated_type(
+    unique int expr: @new_array_expr ref,
+    int type_id: @type ref
+);
+
+/**
+ * The field being initialized by an initializer expression within an aggregate
+ * initializer for a class/struct/union. Position is used to sort repeated initializers.
+ */
+#keyset[aggregate, position]
+aggregate_field_init(
+    int aggregate: @aggregateliteral ref,
+    int initializer: @expr ref,
+    int field: @membervariable ref,
+    int position: int ref,
+    boolean is_designated: boolean ref
+);
+
+/**
+ * The index of the element being initialized by an initializer expression
+ * within an aggregate initializer for an array. Position is used to sort repeated initializers.
+ */
+#keyset[aggregate, position]
+aggregate_array_init(
+    int aggregate: @aggregateliteral ref,
+    int initializer: @expr ref,
+    int element_index: int ref,
+    int position: int ref,
+    boolean is_designated: boolean ref
+);
+
+@ctorinit = @ctordirectinit
+          | @ctorvirtualinit
+          | @ctorfieldinit
+          | @ctordelegatinginit;
+@dtordestruct = @dtordirectdestruct
+              | @dtorvirtualdestruct
+              | @dtorfielddestruct;
+
+
+condition_decl_bind(
+    unique int expr: @condition_decl ref,
+    unique int decl: @declaration ref
+);
+
+typeid_bind(
+    unique int expr: @type_id ref,
+    int type_id: @type ref
+);
+
+uuidof_bind(
+    unique int expr: @uuidof ref,
+    int type_id: @type ref
+);
+
+@sizeof_or_alignof = @runtime_sizeof | @runtime_alignof | @datasizeof | @sizeof_pack;
+
+sizeof_bind(
+    unique int expr: @sizeof_or_alignof ref,
+    int type_id: @type ref
+);
+
+code_block(
+    unique int block: @literal ref,
+    unique int routine: @function ref
+);
+
+lambdas(
+    unique int expr: @lambdaexpr ref,
+    string default_capture: string ref,
+    boolean has_explicit_return_type: boolean ref
+);
+
+lambda_capture(
+    unique int id: @lambdacapture,
+    int lambda: @lambdaexpr ref,
+    int index: int ref,
+    int field: @membervariable ref,
+    boolean captured_by_reference: boolean ref,
+    boolean is_implicit: boolean ref,
+    int location: @location_default ref
+);
+
+@funbindexpr = @routineexpr
+             | @new_expr
+             | @delete_expr
+             | @delete_array_expr
+             | @ctordirectinit
+             | @ctorvirtualinit
+             | @ctordelegatinginit
+             | @dtordirectdestruct
+             | @dtorvirtualdestruct;
+
+@varbindexpr = @varaccess | @ctorfieldinit | @dtorfielddestruct;
+@addressable = @function | @variable ;
+@accessible = @addressable | @enumconstant ;
+
+@access = @varaccess | @routineexpr ;
+
+fold(
+    int expr: @foldexpr ref,
+    string operator: string ref,
+    boolean is_left_fold: boolean ref
+);
+
+stmts(
+    unique int id: @stmt,
+    int kind: int ref,
+    int location: @location_stmt ref
+);
+
+case @stmt.kind of
+    1 = @stmt_expr
+|   2 = @stmt_if
+|   3 = @stmt_while
+|   4 = @stmt_goto
+|   5 = @stmt_label
+|   6 = @stmt_return
+|   7 = @stmt_block
+|   8 = @stmt_end_test_while // do { ... } while ( ... )
+|   9 = @stmt_for
+|  10 = @stmt_switch_case
+|  11 = @stmt_switch
+|  13 = @stmt_asm // "asm" statement or the body of an asm function
+|  15 = @stmt_try_block
+|  16 = @stmt_microsoft_try // Microsoft
+|  17 = @stmt_decl
+|  18 = @stmt_set_vla_size // C99
+|  19 = @stmt_vla_decl // C99
+|  25 = @stmt_assigned_goto // GNU
+|  26 = @stmt_empty
+|  27 = @stmt_continue
+|  28 = @stmt_break
+|  29 = @stmt_range_based_for // C++11
+// ...  30 @stmt_at_autoreleasepool_block deprecated
+// ...  31 @stmt_objc_for_in deprecated
+// ...  32 @stmt_at_synchronized deprecated
+|  33 = @stmt_handler
+// ...  34 @stmt_finally_end deprecated
+|  35 = @stmt_constexpr_if
+|  37 = @stmt_co_return
+|  38 = @stmt_consteval_if
+|  39 = @stmt_not_consteval_if
+;
+
+type_vla(
+    int type_id: @type ref,
+    int decl: @stmt_vla_decl ref
+);
+
+variable_vla(
+    int var: @variable ref,
+    int decl: @stmt_vla_decl ref
+);
+
+type_is_vla(unique int type_id: @derivedtype ref)
+
+if_initialization(
+    unique int if_stmt: @stmt_if ref,
+    int init_id: @stmt ref
+);
+
+if_then(
+    unique int if_stmt: @stmt_if ref,
+    int then_id: @stmt ref
+);
+
+if_else(
+    unique int if_stmt: @stmt_if ref,
+    int else_id: @stmt ref
+);
+
+constexpr_if_initialization(
+    unique int constexpr_if_stmt: @stmt_constexpr_if ref,
+    int init_id: @stmt ref
+);
+
+constexpr_if_then(
+    unique int constexpr_if_stmt: @stmt_constexpr_if ref,
+    int then_id: @stmt ref
+);
+
+constexpr_if_else(
+    unique int constexpr_if_stmt: @stmt_constexpr_if ref,
+    int else_id: @stmt ref
+);
+
+@stmt_consteval_or_not_consteval_if = @stmt_consteval_if | @stmt_not_consteval_if;
+
+consteval_if_then(
+    unique int constexpr_if_stmt: @stmt_consteval_or_not_consteval_if ref,
+    int then_id: @stmt ref
+);
+
+consteval_if_else(
+    unique int constexpr_if_stmt: @stmt_consteval_or_not_consteval_if ref,
+    int else_id: @stmt ref
+);
+
+while_body(
+    unique int while_stmt: @stmt_while ref,
+    int body_id: @stmt ref
+);
+
+do_body(
+    unique int do_stmt: @stmt_end_test_while ref,
+    int body_id: @stmt ref
+);
+
+switch_initialization(
+    unique int switch_stmt: @stmt_switch ref,
+    int init_id: @stmt ref
+);
+
+#keyset[switch_stmt, index]
+switch_case(
+    int switch_stmt: @stmt_switch ref,
+    int index: int ref,
+    int case_id: @stmt_switch_case ref
+);
+
+switch_body(
+    unique int switch_stmt: @stmt_switch ref,
+    int body_id: @stmt ref
+);
+
+@stmt_for_or_range_based_for = @stmt_for
+                             | @stmt_range_based_for;
+
+for_initialization(
+    unique int for_stmt: @stmt_for_or_range_based_for ref,
+    int init_id: @stmt ref
+);
+
+for_condition(
+    unique int for_stmt: @stmt_for ref,
+    int condition_id: @expr ref
+);
+
+for_update(
+    unique int for_stmt: @stmt_for ref,
+    int update_id: @expr ref
+);
+
+for_body(
+    unique int for_stmt: @stmt_for ref,
+    int body_id: @stmt ref
+);
+
+@stmtparent = @stmt | @expr_stmt ;
+stmtparents(
+    unique int id: @stmt ref,
+    int index: int ref,
+    int parent: @stmtparent ref
+);
+
+ishandler(unique int block: @stmt_block ref);
+
+@cfgnode = @stmt | @expr | @function | @initialiser ;
+
+stmt_decl_bind(
+    int stmt: @stmt_decl ref,
+    int num: int ref,
+    int decl: @declaration ref
+);
+
+stmt_decl_entry_bind(
+    int stmt: @stmt_decl ref,
+    int num: int ref,
+    int decl_entry: @element ref
+);
+
+@parameterized_element = @function | @stmt_block | @requires_expr;
+
+blockscope(
+    unique int block: @stmt_block ref,
+    int enclosing: @parameterized_element ref
+);
+
+@jump = @stmt_goto | @stmt_break | @stmt_continue;
+
+@jumporlabel = @jump | @stmt_label | @literal;
+
+jumpinfo(
+    unique int id: @jumporlabel ref,
+    string str: string ref,
+    int target: @stmt ref
+);
+
+preprocdirects(
+    unique int id: @preprocdirect,
+    int kind: int ref,
+    int location: @location_default ref
+);
+case @preprocdirect.kind of
+   0 = @ppd_if
+|  1 = @ppd_ifdef
+|  2 = @ppd_ifndef
+|  3 = @ppd_elif
+|  4 = @ppd_else
+|  5 = @ppd_endif
+|  6 = @ppd_plain_include
+|  7 = @ppd_define
+|  8 = @ppd_undef
+|  9 = @ppd_line
+| 10 = @ppd_error
+| 11 = @ppd_pragma
+| 12 = @ppd_objc_import
+| 13 = @ppd_include_next
+| 14 = @ppd_ms_import
+| 15 = @ppd_elifdef
+| 16 = @ppd_elifndef
+| 18 = @ppd_warning
+;
+
+@ppd_include = @ppd_plain_include | @ppd_objc_import | @ppd_include_next | @ppd_ms_import;
+
+@ppd_branch = @ppd_if | @ppd_ifdef | @ppd_ifndef | @ppd_elif | @ppd_elifdef | @ppd_elifndef;
+
+preprocpair(
+    int begin : @ppd_branch ref,
+    int elseelifend : @preprocdirect ref
+);
+
+preproctrue(int branch : @ppd_branch ref);
+preprocfalse(int branch : @ppd_branch ref);
+
+preproctext(
+    unique int id: @preprocdirect ref,
+    string head: string ref,
+    string body: string ref
+);
+
+includes(
+    unique int id: @ppd_include ref,
+    int included: @file ref
+);
+
+link_targets(
+    int id: @link_target,
+    int binary: @file ref
+);
+
+link_parent(
+    int element : @element ref,
+    int link_target : @link_target ref
+);
+
+/* XML Files */
+
+xmlEncoding(unique int id: @file ref, string encoding: string ref);
+
+xmlDTDs(
+    unique int id: @xmldtd,
+    string root: string ref,
+    string publicId: string ref,
+    string systemId: string ref,
+    int fileid: @file ref
+);
+
+xmlElements(
+    unique int id: @xmlelement,
+    string name: string ref,
+    int parentid: @xmlparent ref,
+    int idx: int ref,
+    int fileid: @file ref
+);
+
+xmlAttrs(
+    unique int id: @xmlattribute,
+    int elementid: @xmlelement ref,
+    string name: string ref,
+    string value: string ref,
+    int idx: int ref,
+    int fileid: @file ref
+);
+
+xmlNs(
+    int id: @xmlnamespace,
+    string prefixName: string ref,
+    string URI: string ref,
+    int fileid: @file ref
+);
+
+xmlHasNs(
+    int elementId: @xmlnamespaceable ref,
+    int nsId: @xmlnamespace ref,
+    int fileid: @file ref
+);
+
+xmlComments(
+    unique int id: @xmlcomment,
+    string text: string ref,
+    int parentid: @xmlparent ref,
+    int fileid: @file ref
+);
+
+xmlChars(
+    unique int id: @xmlcharacters,
+    string text: string ref,
+    int parentid: @xmlparent ref,
+    int idx: int ref,
+    int isCDATA: int ref,
+    int fileid: @file ref
+);
+
+@xmlparent = @file | @xmlelement;
+@xmlnamespaceable = @xmlelement | @xmlattribute;
+
+xmllocations(
+    int xmlElement: @xmllocatable ref,
+    int location: @location_default ref
+);
+
+@xmllocatable = @xmlcharacters
+              | @xmlelement
+              | @xmlcomment
+              | @xmlattribute
+              | @xmldtd
+              | @file
+              | @xmlnamespace;
diff --git a/cpp/ql/lib/upgrades/0f0a390468a5eb43d1dc72937c028070b106bf53/upgrade.properties b/cpp/ql/lib/upgrades/0f0a390468a5eb43d1dc72937c028070b106bf53/upgrade.properties
new file mode 100644
index 000000000000..b7e78b39ee7a
--- /dev/null
+++ b/cpp/ql/lib/upgrades/0f0a390468a5eb43d1dc72937c028070b106bf53/upgrade.properties
@@ -0,0 +1,4 @@
+description: add `isDesignatorInit`predicate to `ArrayOrVectorAggregateLiteral` and `ClassAggregateLiteral`
+compatibility: backwards
+aggregate_array_init.rel: run aggregate_array_init.qlo
+aggregate_field_init.rel: run aggregate_field_init.qlo
\ No newline at end of file

From 15fe2fbba6a0466e8cc5a112c1c0539ab4fb0acc Mon Sep 17 00:00:00 2001
From: idrissrio <idrissrio@github.com>
Date: Wed, 16 Apr 2025 16:25:24 +0200
Subject: [PATCH 4/5] C++: update stats file

---
 cpp/ql/lib/semmlecode.cpp.dbscheme.stats | 1259 ++++++++++++++--------
 1 file changed, 809 insertions(+), 450 deletions(-)

diff --git a/cpp/ql/lib/semmlecode.cpp.dbscheme.stats b/cpp/ql/lib/semmlecode.cpp.dbscheme.stats
index 585e8f31e0a1..1a4c6b8c5c97 100644
--- a/cpp/ql/lib/semmlecode.cpp.dbscheme.stats
+++ b/cpp/ql/lib/semmlecode.cpp.dbscheme.stats
@@ -2,7 +2,7 @@
     <typesizes>
         <e>
             <k>@compilation</k>
-            <v>16215</v>
+            <v>16216</v>
         </e>
         <e>
             <k>@externalDataElement</k>
@@ -34,7 +34,7 @@
         </e>
         <e>
             <k>@file</k>
-            <v>83639</v>
+            <v>83640</v>
         </e>
         <e>
             <k>@folder</k>
@@ -42,7 +42,7 @@
         </e>
         <e>
             <k>@macro_expansion</k>
-            <v>40299208</v>
+            <v>40299816</v>
         </e>
         <e>
             <k>@other_macro_reference</k>
@@ -58,11 +58,11 @@
         </e>
         <e>
             <k>@var_decl</k>
-            <v>6734225</v>
+            <v>6733822</v>
         </e>
         <e>
             <k>@type_decl</k>
-            <v>1890777</v>
+            <v>1890806</v>
         </e>
         <e>
             <k>@namespace_decl</k>
@@ -70,7 +70,7 @@
         </e>
         <e>
             <k>@using_declaration</k>
-            <v>333244</v>
+            <v>333262</v>
         </e>
         <e>
             <k>@using_directive</k>
@@ -90,7 +90,7 @@
         </e>
         <e>
             <k>@membervariable</k>
-            <v>1441778</v>
+            <v>1441833</v>
         </e>
         <e>
             <k>@globalvariable</k>
@@ -98,7 +98,7 @@
         </e>
         <e>
             <k>@localvariable</k>
-            <v>735324</v>
+            <v>735322</v>
         </e>
         <e>
             <k>@enumconstant</k>
@@ -370,7 +370,7 @@
         </e>
         <e>
             <k>@usertype</k>
-            <v>4987434</v>
+            <v>4987509</v>
         </e>
         <e>
             <k>@mangledname</k>
@@ -390,7 +390,7 @@
         </e>
         <e>
             <k>@ptrtomember</k>
-            <v>12083</v>
+            <v>12084</v>
         </e>
         <e>
             <k>@specifier</k>
@@ -422,7 +422,7 @@
         </e>
         <e>
             <k>@attribute_arg_constant_expr</k>
-            <v>89600</v>
+            <v>89384</v>
         </e>
         <e>
             <k>@attribute_arg_expr</k>
@@ -538,7 +538,7 @@
         </e>
         <e>
             <k>@divexpr</k>
-            <v>60352</v>
+            <v>60353</v>
         </e>
         <e>
             <k>@remexpr</k>
@@ -734,7 +734,7 @@
         </e>
         <e>
             <k>@temp_init</k>
-            <v>1076139</v>
+            <v>1076142</v>
         </e>
         <e>
             <k>@errorexpr</k>
@@ -818,7 +818,7 @@
         </e>
         <e>
             <k>@throw_expr</k>
-            <v>26159</v>
+            <v>26260</v>
         </e>
         <e>
             <k>@condition_decl</k>
@@ -966,7 +966,7 @@
         </e>
         <e>
             <k>@static_cast</k>
-            <v>335479</v>
+            <v>335484</v>
         </e>
         <e>
             <k>@reinterpret_cast</k>
@@ -986,7 +986,7 @@
         </e>
         <e>
             <k>@param_ref</k>
-            <v>177993</v>
+            <v>177994</v>
         </e>
         <e>
             <k>@noopexpr</k>
@@ -1430,7 +1430,7 @@
         </e>
         <e>
             <k>@stmt_decl</k>
-            <v>770895</v>
+            <v>770907</v>
         </e>
         <e>
             <k>@stmt_empty</k>
@@ -1446,7 +1446,7 @@
         </e>
         <e>
             <k>@stmt_try_block</k>
-            <v>28973</v>
+            <v>29068</v>
         </e>
         <e>
             <k>@stmt_microsoft_try</k>
@@ -1470,7 +1470,7 @@
         </e>
         <e>
             <k>@stmt_handler</k>
-            <v>47475</v>
+            <v>47531</v>
         </e>
         <e>
             <k>@stmt_constexpr_if</k>
@@ -1514,7 +1514,7 @@
         </e>
         <e>
             <k>@ppd_plain_include</k>
-            <v>408579</v>
+            <v>408585</v>
         </e>
         <e>
             <k>@ppd_define</k>
@@ -1592,11 +1592,11 @@
     <stats>
         <relation>
             <name>compilations</name>
-            <cardinality>16215</cardinality>
+            <cardinality>16216</cardinality>
             <columnsizes>
                 <e>
                     <k>id</k>
-                    <v>16215</v>
+                    <v>16216</v>
                 </e>
                 <e>
                     <k>cwd</k>
@@ -1614,7 +1614,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>16215</v>
+                                    <v>16216</v>
                                 </b>
                             </bs>
                         </hist>
@@ -1640,11 +1640,11 @@
         </relation>
         <relation>
             <name>compilation_args</name>
-            <cardinality>1298229</cardinality>
+            <cardinality>1298248</cardinality>
             <columnsizes>
                 <e>
                     <k>id</k>
-                    <v>16215</v>
+                    <v>16216</v>
                 </e>
                 <e>
                     <k>num</k>
@@ -1652,7 +1652,7 @@
                 </e>
                 <e>
                     <k>arg</k>
-                    <v>37538</v>
+                    <v>37539</v>
                 </e>
             </columnsizes>
             <dependencies>
@@ -2011,12 +2011,12 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>24858</v>
+                                    <v>24859</v>
                                 </b>
                                 <b>
                                     <a>2</a>
                                     <b>3</b>
-                                    <v>11189</v>
+                                    <v>11190</v>
                                 </b>
                                 <b>
                                     <a>3</a>
@@ -2031,11 +2031,11 @@
         </relation>
         <relation>
             <name>compilation_build_mode</name>
-            <cardinality>16215</cardinality>
+            <cardinality>16216</cardinality>
             <columnsizes>
                 <e>
                     <k>id</k>
-                    <v>16215</v>
+                    <v>16216</v>
                 </e>
                 <e>
                     <k>mode</k>
@@ -2053,7 +2053,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>16215</v>
+                                    <v>16216</v>
                                 </b>
                             </bs>
                         </hist>
@@ -2079,11 +2079,11 @@
         </relation>
         <relation>
             <name>compilation_compiling_files</name>
-            <cardinality>16215</cardinality>
+            <cardinality>16216</cardinality>
             <columnsizes>
                 <e>
                     <k>id</k>
-                    <v>16215</v>
+                    <v>16216</v>
                 </e>
                 <e>
                     <k>num</k>
@@ -2105,7 +2105,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>16215</v>
+                                    <v>16216</v>
                                 </b>
                             </bs>
                         </hist>
@@ -2121,7 +2121,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>16215</v>
+                                    <v>16216</v>
                                 </b>
                             </bs>
                         </hist>
@@ -2205,7 +2205,7 @@
         </relation>
         <relation>
             <name>compilation_time</name>
-            <cardinality>64592</cardinality>
+            <cardinality>64593</cardinality>
             <columnsizes>
                 <e>
                     <k>id</k>
@@ -2221,7 +2221,7 @@
                 </e>
                 <e>
                     <k>seconds</k>
-                    <v>17407</v>
+                    <v>17652</v>
                 </e>
             </columnsizes>
             <dependencies>
@@ -2267,17 +2267,17 @@
                                 <b>
                                     <a>2</a>
                                     <b>3</b>
-                                    <v>149</v>
+                                    <v>203</v>
                                 </b>
                                 <b>
                                     <a>3</a>
                                     <b>4</b>
-                                    <v>8277</v>
+                                    <v>8250</v>
                                 </b>
                                 <b>
                                     <a>4</a>
                                     <b>5</b>
-                                    <v>7721</v>
+                                    <v>7694</v>
                                 </b>
                             </bs>
                         </hist>
@@ -2323,8 +2323,8 @@
                             <budget>12</budget>
                             <bs>
                                 <b>
-                                    <a>1285</a>
-                                    <b>1286</b>
+                                    <a>1303</a>
+                                    <b>1304</b>
                                     <v>13</v>
                                 </b>
                             </bs>
@@ -2371,18 +2371,18 @@
                             <budget>12</budget>
                             <bs>
                                 <b>
-                                    <a>9</a>
-                                    <b>10</b>
+                                    <a>8</a>
+                                    <b>9</b>
                                     <v>13</v>
                                 </b>
                                 <b>
-                                    <a>11</a>
-                                    <b>12</b>
+                                    <a>10</a>
+                                    <b>11</b>
                                     <v>13</v>
                                 </b>
                                 <b>
-                                    <a>718</a>
-                                    <b>719</b>
+                                    <a>710</a>
+                                    <b>711</b>
                                     <v>13</v>
                                 </b>
                                 <b>
@@ -2404,27 +2404,27 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>10837</v>
+                                    <v>11162</v>
                                 </b>
                                 <b>
                                     <a>2</a>
                                     <b>3</b>
-                                    <v>3617</v>
+                                    <v>3508</v>
                                 </b>
                                 <b>
                                     <a>3</a>
                                     <b>4</b>
-                                    <v>1368</v>
+                                    <v>1598</v>
                                 </b>
                                 <b>
                                     <a>4</a>
-                                    <b>10</b>
+                                    <b>55</b>
                                     <v>1327</v>
                                 </b>
                                 <b>
-                                    <a>10</a>
-                                    <b>694</b>
-                                    <v>257</v>
+                                    <a>77</a>
+                                    <b>700</b>
+                                    <v>54</v>
                                 </b>
                             </bs>
                         </hist>
@@ -2440,7 +2440,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>17407</v>
+                                    <v>17652</v>
                                 </b>
                             </bs>
                         </hist>
@@ -2456,16 +2456,16 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>14414</v>
+                                    <v>15051</v>
                                 </b>
                                 <b>
                                     <a>2</a>
                                     <b>3</b>
-                                    <v>2980</v>
+                                    <v>2587</v>
                                 </b>
                                 <b>
-                                    <a>3</a>
-                                    <b>4</b>
+                                    <a>4</a>
+                                    <b>5</b>
                                     <v>13</v>
                                 </b>
                             </bs>
@@ -2722,19 +2722,19 @@
         </relation>
         <relation>
             <name>compilation_finished</name>
-            <cardinality>16215</cardinality>
+            <cardinality>16216</cardinality>
             <columnsizes>
                 <e>
                     <k>id</k>
-                    <v>16215</v>
+                    <v>16216</v>
                 </e>
                 <e>
                     <k>cpu_seconds</k>
-                    <v>12083</v>
+                    <v>12165</v>
                 </e>
                 <e>
                     <k>elapsed_seconds</k>
-                    <v>257</v>
+                    <v>243</v>
                 </e>
             </columnsizes>
             <dependencies>
@@ -2748,7 +2748,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>16215</v>
+                                    <v>16216</v>
                                 </b>
                             </bs>
                         </hist>
@@ -2764,7 +2764,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>16215</v>
+                                    <v>16216</v>
                                 </b>
                             </bs>
                         </hist>
@@ -2785,12 +2785,12 @@
                                 <b>
                                     <a>2</a>
                                     <b>3</b>
-                                    <v>1246</v>
+                                    <v>1408</v>
                                 </b>
                                 <b>
                                     <a>3</a>
-                                    <b>35</b>
-                                    <v>596</v>
+                                    <b>38</b>
+                                    <v>514</v>
                                 </b>
                             </bs>
                         </hist>
@@ -2806,12 +2806,12 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>11365</v>
+                                    <v>11311</v>
                                 </b>
                                 <b>
                                     <a>2</a>
                                     <b>3</b>
-                                    <v>717</v>
+                                    <v>853</v>
                                 </b>
                             </bs>
                         </hist>
@@ -2827,7 +2827,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>67</v>
+                                    <v>40</v>
                                 </b>
                                 <b>
                                     <a>2</a>
@@ -2840,48 +2840,63 @@
                                     <v>13</v>
                                 </b>
                                 <b>
-                                    <a>6</a>
-                                    <b>7</b>
+                                    <a>4</a>
+                                    <b>5</b>
                                     <v>13</v>
                                 </b>
                                 <b>
-                                    <a>11</a>
-                                    <b>12</b>
-                                    <v>54</v>
+                                    <a>8</a>
+                                    <b>9</b>
+                                    <v>13</v>
                                 </b>
                                 <b>
-                                    <a>20</a>
-                                    <b>21</b>
+                                    <a>9</a>
+                                    <b>10</b>
                                     <v>13</v>
                                 </b>
                                 <b>
-                                    <a>31</a>
-                                    <b>32</b>
+                                    <a>10</a>
+                                    <b>11</b>
+                                    <v>27</v>
+                                </b>
+                                <b>
+                                    <a>13</a>
+                                    <b>14</b>
                                     <v>13</v>
                                 </b>
                                 <b>
-                                    <a>43</a>
-                                    <b>44</b>
+                                    <a>19</a>
+                                    <b>20</b>
                                     <v>13</v>
                                 </b>
                                 <b>
-                                    <a>127</a>
-                                    <b>128</b>
+                                    <a>28</a>
+                                    <b>29</b>
                                     <v>13</v>
                                 </b>
                                 <b>
-                                    <a>265</a>
-                                    <b>266</b>
+                                    <a>42</a>
+                                    <b>43</b>
                                     <v>13</v>
                                 </b>
                                 <b>
-                                    <a>321</a>
-                                    <b>322</b>
+                                    <a>142</a>
+                                    <b>143</b>
                                     <v>13</v>
                                 </b>
                                 <b>
-                                    <a>330</a>
-                                    <b>331</b>
+                                    <a>272</a>
+                                    <b>273</b>
+                                    <v>13</v>
+                                </b>
+                                <b>
+                                    <a>296</a>
+                                    <b>297</b>
+                                    <v>13</v>
+                                </b>
+                                <b>
+                                    <a>336</a>
+                                    <b>337</b>
                                     <v>13</v>
                                 </b>
                             </bs>
@@ -2898,7 +2913,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>67</v>
+                                    <v>40</v>
                                 </b>
                                 <b>
                                     <a>2</a>
@@ -2911,48 +2926,63 @@
                                     <v>13</v>
                                 </b>
                                 <b>
-                                    <a>6</a>
-                                    <b>7</b>
+                                    <a>4</a>
+                                    <b>5</b>
                                     <v>13</v>
                                 </b>
                                 <b>
-                                    <a>11</a>
-                                    <b>12</b>
-                                    <v>54</v>
+                                    <a>8</a>
+                                    <b>9</b>
+                                    <v>13</v>
                                 </b>
                                 <b>
-                                    <a>20</a>
-                                    <b>21</b>
+                                    <a>9</a>
+                                    <b>10</b>
                                     <v>13</v>
                                 </b>
                                 <b>
-                                    <a>31</a>
-                                    <b>32</b>
+                                    <a>10</a>
+                                    <b>11</b>
+                                    <v>27</v>
+                                </b>
+                                <b>
+                                    <a>13</a>
+                                    <b>14</b>
                                     <v>13</v>
                                 </b>
                                 <b>
-                                    <a>43</a>
-                                    <b>44</b>
+                                    <a>19</a>
+                                    <b>20</b>
                                     <v>13</v>
                                 </b>
                                 <b>
-                                    <a>120</a>
-                                    <b>121</b>
+                                    <a>28</a>
+                                    <b>29</b>
                                     <v>13</v>
                                 </b>
                                 <b>
-                                    <a>171</a>
-                                    <b>172</b>
+                                    <a>42</a>
+                                    <b>43</b>
                                     <v>13</v>
                                 </b>
                                 <b>
-                                    <a>233</a>
-                                    <b>234</b>
+                                    <a>136</a>
+                                    <b>137</b>
                                     <v>13</v>
                                 </b>
                                 <b>
-                                    <a>267</a>
-                                    <b>268</b>
+                                    <a>183</a>
+                                    <b>184</b>
+                                    <v>13</v>
+                                </b>
+                                <b>
+                                    <a>245</a>
+                                    <b>246</b>
+                                    <v>13</v>
+                                </b>
+                                <b>
+                                    <a>246</a>
+                                    <b>247</b>
                                     <v>13</v>
                                 </b>
                             </bs>
@@ -11159,15 +11189,15 @@
         </relation>
         <relation>
             <name>files</name>
-            <cardinality>83639</cardinality>
+            <cardinality>83640</cardinality>
             <columnsizes>
                 <e>
                     <k>id</k>
-                    <v>83639</v>
+                    <v>83640</v>
                 </e>
                 <e>
                     <k>name</k>
-                    <v>83639</v>
+                    <v>83640</v>
                 </e>
             </columnsizes>
             <dependencies>
@@ -11181,7 +11211,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>83639</v>
+                                    <v>83640</v>
                                 </b>
                             </bs>
                         </hist>
@@ -11197,7 +11227,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>83639</v>
+                                    <v>83640</v>
                                 </b>
                             </bs>
                         </hist>
@@ -11255,7 +11285,7 @@
         </relation>
         <relation>
             <name>containerparent</name>
-            <cardinality>99503</cardinality>
+            <cardinality>99504</cardinality>
             <columnsizes>
                 <e>
                     <k>parent</k>
@@ -11263,7 +11293,7 @@
                 </e>
                 <e>
                     <k>child</k>
-                    <v>99503</v>
+                    <v>99504</v>
                 </e>
             </columnsizes>
             <dependencies>
@@ -11328,7 +11358,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>99503</v>
+                                    <v>99504</v>
                                 </b>
                             </bs>
                         </hist>
@@ -11338,7 +11368,7 @@
         </relation>
         <relation>
             <name>fileannotations</name>
-            <cardinality>5387479</cardinality>
+            <cardinality>5387560</cardinality>
             <columnsizes>
                 <e>
                     <k>id</k>
@@ -11350,11 +11380,11 @@
                 </e>
                 <e>
                     <k>name</k>
-                    <v>75308</v>
+                    <v>75309</v>
                 </e>
                 <e>
                     <k>value</k>
-                    <v>50679</v>
+                    <v>50680</v>
                 </e>
             </columnsizes>
             <dependencies>
@@ -11604,7 +11634,7 @@
                                 <b>
                                     <a>2</a>
                                     <b>3</b>
-                                    <v>5594</v>
+                                    <v>5595</v>
                                 </b>
                                 <b>
                                     <a>3</a>
@@ -11619,7 +11649,7 @@
                                 <b>
                                     <a>7</a>
                                     <b>9</b>
-                                    <v>5892</v>
+                                    <v>5893</v>
                                 </b>
                                 <b>
                                     <a>9</a>
@@ -11644,7 +11674,7 @@
                                 <b>
                                     <a>47</a>
                                     <b>128</b>
-                                    <v>6312</v>
+                                    <v>6313</v>
                                 </b>
                                 <b>
                                     <a>128</a>
@@ -11670,7 +11700,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>75308</v>
+                                    <v>75309</v>
                                 </b>
                             </bs>
                         </hist>
@@ -11752,7 +11782,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>4307</v>
+                                    <v>4308</v>
                                 </b>
                                 <b>
                                     <a>2</a>
@@ -12195,19 +12225,19 @@
         </relation>
         <relation>
             <name>macroinvocations</name>
-            <cardinality>40601294</cardinality>
+            <cardinality>40601906</cardinality>
             <columnsizes>
                 <e>
                     <k>id</k>
-                    <v>40601294</v>
+                    <v>40601906</v>
                 </e>
                 <e>
                     <k>macro_id</k>
-                    <v>109907</v>
+                    <v>109909</v>
                 </e>
                 <e>
                     <k>location</k>
-                    <v>1070096</v>
+                    <v>1070112</v>
                 </e>
                 <e>
                     <k>kind</k>
@@ -12225,7 +12255,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>40601294</v>
+                                    <v>40601906</v>
                                 </b>
                             </bs>
                         </hist>
@@ -12241,7 +12271,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>40601294</v>
+                                    <v>40601906</v>
                                 </b>
                             </bs>
                         </hist>
@@ -12257,7 +12287,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>40601294</v>
+                                    <v>40601906</v>
                                 </b>
                             </bs>
                         </hist>
@@ -12273,12 +12303,12 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>23517</v>
+                                    <v>23518</v>
                                 </b>
                                 <b>
                                     <a>2</a>
                                     <b>3</b>
-                                    <v>20428</v>
+                                    <v>20429</v>
                                 </b>
                                 <b>
                                     <a>3</a>
@@ -12298,7 +12328,7 @@
                                 <b>
                                     <a>11</a>
                                     <b>21</b>
-                                    <v>9184</v>
+                                    <v>9185</v>
                                 </b>
                                 <b>
                                     <a>21</a>
@@ -12334,17 +12364,17 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>60257</v>
+                                    <v>60258</v>
                                 </b>
                                 <b>
                                     <a>2</a>
                                     <b>3</b>
-                                    <v>13641</v>
+                                    <v>13642</v>
                                 </b>
                                 <b>
                                     <a>3</a>
                                     <b>4</b>
-                                    <v>6881</v>
+                                    <v>6882</v>
                                 </b>
                                 <b>
                                     <a>4</a>
@@ -12380,7 +12410,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>101453</v>
+                                    <v>101455</v>
                                 </b>
                                 <b>
                                     <a>2</a>
@@ -12401,37 +12431,37 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>426610</v>
+                                    <v>426617</v>
                                 </b>
                                 <b>
                                     <a>2</a>
                                     <b>3</b>
-                                    <v>252707</v>
+                                    <v>252710</v>
                                 </b>
                                 <b>
                                     <a>3</a>
                                     <b>4</b>
-                                    <v>113199</v>
+                                    <v>113201</v>
                                 </b>
                                 <b>
                                     <a>4</a>
                                     <b>6</b>
-                                    <v>77502</v>
+                                    <v>77503</v>
                                 </b>
                                 <b>
                                     <a>6</a>
                                     <b>11</b>
-                                    <v>82759</v>
+                                    <v>82760</v>
                                 </b>
                                 <b>
                                     <a>11</a>
                                     <b>42</b>
-                                    <v>80456</v>
+                                    <v>80457</v>
                                 </b>
                                 <b>
                                     <a>42</a>
                                     <b>226288</b>
-                                    <v>36861</v>
+                                    <v>36862</v>
                                 </b>
                             </bs>
                         </hist>
@@ -12447,7 +12477,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>1009649</v>
+                                    <v>1009664</v>
                                 </b>
                                 <b>
                                     <a>2</a>
@@ -12468,7 +12498,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>1070096</v>
+                                    <v>1070112</v>
                                 </b>
                             </bs>
                         </hist>
@@ -12541,15 +12571,15 @@
         </relation>
         <relation>
             <name>macroparent</name>
-            <cardinality>35811023</cardinality>
+            <cardinality>35811564</cardinality>
             <columnsizes>
                 <e>
                     <k>id</k>
-                    <v>35811023</v>
+                    <v>35811564</v>
                 </e>
                 <e>
                     <k>parent_id</k>
-                    <v>28060082</v>
+                    <v>28060505</v>
                 </e>
             </columnsizes>
             <dependencies>
@@ -12563,7 +12593,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>35811023</v>
+                                    <v>35811564</v>
                                 </b>
                             </bs>
                         </hist>
@@ -12579,17 +12609,17 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>21858004</v>
+                                    <v>21858334</v>
                                 </b>
                                 <b>
                                     <a>2</a>
                                     <b>3</b>
-                                    <v>5174275</v>
+                                    <v>5174353</v>
                                 </b>
                                 <b>
                                     <a>3</a>
                                     <b>91</b>
-                                    <v>1027802</v>
+                                    <v>1027818</v>
                                 </b>
                             </bs>
                         </hist>
@@ -12677,11 +12707,11 @@
         </relation>
         <relation>
             <name>macro_argument_unexpanded</name>
-            <cardinality>103252337</cardinality>
+            <cardinality>103253896</cardinality>
             <columnsizes>
                 <e>
                     <k>invocation</k>
-                    <v>31226086</v>
+                    <v>31226557</v>
                 </e>
                 <e>
                     <k>argument_index</k>
@@ -12689,7 +12719,7 @@
                 </e>
                 <e>
                     <k>text</k>
-                    <v>440266</v>
+                    <v>440272</v>
                 </e>
             </columnsizes>
             <dependencies>
@@ -12703,22 +12733,22 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>9979461</v>
+                                    <v>9979611</v>
                                 </b>
                                 <b>
                                     <a>2</a>
                                     <b>3</b>
-                                    <v>12505068</v>
+                                    <v>12505256</v>
                                 </b>
                                 <b>
                                     <a>3</a>
                                     <b>4</b>
-                                    <v>6395516</v>
+                                    <v>6395613</v>
                                 </b>
                                 <b>
                                     <a>4</a>
                                     <b>67</b>
-                                    <v>2346040</v>
+                                    <v>2346075</v>
                                 </b>
                             </bs>
                         </hist>
@@ -12734,22 +12764,22 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>10213703</v>
+                                    <v>10213857</v>
                                 </b>
                                 <b>
                                     <a>2</a>
                                     <b>3</b>
-                                    <v>12526567</v>
+                                    <v>12526756</v>
                                 </b>
                                 <b>
                                     <a>3</a>
                                     <b>4</b>
-                                    <v>6195602</v>
+                                    <v>6195695</v>
                                 </b>
                                 <b>
                                     <a>4</a>
                                     <b>67</b>
-                                    <v>2290213</v>
+                                    <v>2290247</v>
                                 </b>
                             </bs>
                         </hist>
@@ -12817,32 +12847,32 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>52020</v>
+                                    <v>52021</v>
                                 </b>
                                 <b>
                                     <a>2</a>
                                     <b>3</b>
-                                    <v>79995</v>
+                                    <v>79996</v>
                                 </b>
                                 <b>
                                     <a>3</a>
                                     <b>4</b>
-                                    <v>29681</v>
+                                    <v>29682</v>
                                 </b>
                                 <b>
                                     <a>4</a>
                                     <b>5</b>
-                                    <v>44447</v>
+                                    <v>44448</v>
                                 </b>
                                 <b>
                                     <a>5</a>
                                     <b>6</b>
-                                    <v>50218</v>
+                                    <v>50219</v>
                                 </b>
                                 <b>
                                     <a>6</a>
                                     <b>9</b>
-                                    <v>36590</v>
+                                    <v>36591</v>
                                 </b>
                                 <b>
                                     <a>9</a>
@@ -12862,7 +12892,7 @@
                                 <b>
                                     <a>57</a>
                                     <b>517</b>
-                                    <v>33244</v>
+                                    <v>33245</v>
                                 </b>
                                 <b>
                                     <a>518</a>
@@ -12883,12 +12913,12 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>311894</v>
+                                    <v>311898</v>
                                 </b>
                                 <b>
                                     <a>2</a>
                                     <b>3</b>
-                                    <v>115272</v>
+                                    <v>115273</v>
                                 </b>
                                 <b>
                                     <a>3</a>
@@ -12903,11 +12933,11 @@
         </relation>
         <relation>
             <name>macro_argument_expanded</name>
-            <cardinality>103252337</cardinality>
+            <cardinality>103253896</cardinality>
             <columnsizes>
                 <e>
                     <k>invocation</k>
-                    <v>31226086</v>
+                    <v>31226557</v>
                 </e>
                 <e>
                     <k>argument_index</k>
@@ -12915,7 +12945,7 @@
                 </e>
                 <e>
                     <k>text</k>
-                    <v>266687</v>
+                    <v>266691</v>
                 </e>
             </columnsizes>
             <dependencies>
@@ -12929,22 +12959,22 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>9979461</v>
+                                    <v>9979611</v>
                                 </b>
                                 <b>
                                     <a>2</a>
                                     <b>3</b>
-                                    <v>12505068</v>
+                                    <v>12505256</v>
                                 </b>
                                 <b>
                                     <a>3</a>
                                     <b>4</b>
-                                    <v>6395516</v>
+                                    <v>6395613</v>
                                 </b>
                                 <b>
                                     <a>4</a>
                                     <b>67</b>
-                                    <v>2346040</v>
+                                    <v>2346075</v>
                                 </b>
                             </bs>
                         </hist>
@@ -12960,22 +12990,22 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>13763116</v>
+                                    <v>13763324</v>
                                 </b>
                                 <b>
                                     <a>2</a>
                                     <b>3</b>
-                                    <v>10789751</v>
+                                    <v>10789914</v>
                                 </b>
                                 <b>
                                     <a>3</a>
                                     <b>4</b>
-                                    <v>5403993</v>
+                                    <v>5404074</v>
                                 </b>
                                 <b>
                                     <a>4</a>
                                     <b>9</b>
-                                    <v>1269224</v>
+                                    <v>1269243</v>
                                 </b>
                             </bs>
                         </hist>
@@ -13043,17 +13073,17 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>28299</v>
+                                    <v>28300</v>
                                 </b>
                                 <b>
                                     <a>2</a>
                                     <b>3</b>
-                                    <v>35154</v>
+                                    <v>35155</v>
                                 </b>
                                 <b>
                                     <a>3</a>
                                     <b>4</b>
-                                    <v>58509</v>
+                                    <v>58510</v>
                                 </b>
                                 <b>
                                     <a>4</a>
@@ -13078,12 +13108,12 @@
                                 <b>
                                     <a>10</a>
                                     <b>19</b>
-                                    <v>22948</v>
+                                    <v>22949</v>
                                 </b>
                                 <b>
                                     <a>19</a>
                                     <b>51</b>
-                                    <v>20076</v>
+                                    <v>20077</v>
                                 </b>
                                 <b>
                                     <a>51</a>
@@ -13109,12 +13139,12 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>134779</v>
+                                    <v>134781</v>
                                 </b>
                                 <b>
                                     <a>2</a>
                                     <b>3</b>
-                                    <v>114039</v>
+                                    <v>114040</v>
                                 </b>
                                 <b>
                                     <a>3</a>
@@ -14871,7 +14901,7 @@
                 </e>
                 <e>
                     <k>constraint</k>
-                    <v>30948</v>
+                    <v>30949</v>
                 </e>
             </columnsizes>
             <dependencies>
@@ -15010,7 +15040,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>30948</v>
+                                    <v>30949</v>
                                 </b>
                             </bs>
                         </hist>
@@ -15296,11 +15326,11 @@
         </relation>
         <relation>
             <name>var_decls</name>
-            <cardinality>6739203</cardinality>
+            <cardinality>6738800</cardinality>
             <columnsizes>
                 <e>
                     <k>id</k>
-                    <v>6734225</v>
+                    <v>6733822</v>
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                 <e>
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@@ -15330,7 +15360,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>6734225</v>
+                                    <v>6733822</v>
                                 </b>
                             </bs>
                         </hist>
@@ -15346,7 +15376,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>6729247</v>
+                                    <v>6728843</v>
                                 </b>
                                 <b>
                                     <a>2</a>
@@ -15367,7 +15397,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>6734225</v>
+                                    <v>6733822</v>
                                 </b>
                             </bs>
                         </hist>
@@ -15383,7 +15413,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>6734225</v>
+                                    <v>6733822</v>
                                 </b>
                             </bs>
                         </hist>
@@ -15399,12 +15429,12 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>6408486</v>
+                                    <v>6408890</v>
                                 </b>
                                 <b>
                                     <a>2</a>
                                     <b>4</b>
-                                    <v>157285</v>
+                                    <v>156882</v>
                                 </b>
                             </bs>
                         </hist>
@@ -15488,12 +15518,12 @@
                                 <b>
                                     <a>2</a>
                                     <b>3</b>
-                                    <v>294120</v>
+                                    <v>294254</v>
                                 </b>
                                 <b>
                                     <a>3</a>
                                     <b>5</b>
-                                    <v>133201</v>
+                                    <v>133067</v>
                                 </b>
                                 <b>
                                     <a>5</a>
@@ -15646,7 +15676,7 @@
                                 </b>
                                 <b>
                                     <a>28</a>
-                                    <b>6411</b>
+                                    <b>6408</b>
                                     <v>27716</v>
                                 </b>
                             </bs>
@@ -15780,7 +15810,7 @@
                                 </b>
                                 <b>
                                     <a>4</a>
-                                    <b>2760</b>
+                                    <b>2757</b>
                                     <v>194017</v>
                                 </b>
                             </bs>
@@ -16018,19 +16048,19 @@
         </relation>
         <relation>
             <name>type_decls</name>
-            <cardinality>1890777</cardinality>
+            <cardinality>1890806</cardinality>
             <columnsizes>
                 <e>
                     <k>id</k>
-                    <v>1890777</v>
+                    <v>1890806</v>
                 </e>
                 <e>
                     <k>type_id</k>
-                    <v>1849364</v>
+                    <v>1849392</v>
                 </e>
                 <e>
                     <k>location</k>
-                    <v>1485517</v>
+                    <v>1485539</v>
                 </e>
             </columnsizes>
             <dependencies>
@@ -16044,7 +16074,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>1890777</v>
+                                    <v>1890806</v>
                                 </b>
                             </bs>
                         </hist>
@@ -16060,7 +16090,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>1890777</v>
+                                    <v>1890806</v>
                                 </b>
                             </bs>
                         </hist>
@@ -16076,7 +16106,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>1819574</v>
+                                    <v>1819601</v>
                                 </b>
                                 <b>
                                     <a>2</a>
@@ -16097,7 +16127,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>1820902</v>
+                                    <v>1820929</v>
                                 </b>
                                 <b>
                                     <a>2</a>
@@ -16118,12 +16148,12 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>1408989</v>
+                                    <v>1409011</v>
                                 </b>
                                 <b>
                                     <a>2</a>
                                     <b>651</b>
-                                    <v>76527</v>
+                                    <v>76528</v>
                                 </b>
                             </bs>
                         </hist>
@@ -16139,12 +16169,12 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>1410331</v>
+                                    <v>1410352</v>
                                 </b>
                                 <b>
                                     <a>2</a>
                                     <b>651</b>
-                                    <v>75186</v>
+                                    <v>75187</v>
                                 </b>
                             </bs>
                         </hist>
@@ -16154,11 +16184,11 @@
         </relation>
         <relation>
             <name>type_def</name>
-            <cardinality>1297362</cardinality>
+            <cardinality>1297381</cardinality>
             <columnsizes>
                 <e>
                     <k>id</k>
-                    <v>1297362</v>
+                    <v>1297381</v>
                 </e>
             </columnsizes>
             <dependencies/>
@@ -16234,7 +16264,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>8186</v>
+                                    <v>8187</v>
                                 </b>
                                 <b>
                                     <a>2</a>
@@ -16615,19 +16645,19 @@
         </relation>
         <relation>
             <name>usings</name>
-            <cardinality>338568</cardinality>
+            <cardinality>338586</cardinality>
             <columnsizes>
                 <e>
                     <k>id</k>
-                    <v>338568</v>
+                    <v>338586</v>
                 </e>
                 <e>
                     <k>element_id</k>
-                    <v>65337</v>
+                    <v>65352</v>
                 </e>
                 <e>
                     <k>location</k>
-                    <v>33921</v>
+                    <v>33922</v>
                 </e>
                 <e>
                     <k>kind</k>
@@ -16645,7 +16675,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>338568</v>
+                                    <v>338586</v>
                                 </b>
                             </bs>
                         </hist>
@@ -16661,7 +16691,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>338568</v>
+                                    <v>338586</v>
                                 </b>
                             </bs>
                         </hist>
@@ -16677,7 +16707,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>338568</v>
+                                    <v>338586</v>
                                 </b>
                             </bs>
                         </hist>
@@ -16693,7 +16723,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>55421</v>
+                                    <v>55435</v>
                                 </b>
                                 <b>
                                     <a>2</a>
@@ -16703,7 +16733,7 @@
                                 <b>
                                     <a>4</a>
                                     <b>134</b>
-                                    <v>4307</v>
+                                    <v>4308</v>
                                 </b>
                             </bs>
                         </hist>
@@ -16719,7 +16749,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>55421</v>
+                                    <v>55435</v>
                                 </b>
                                 <b>
                                     <a>2</a>
@@ -16729,7 +16759,7 @@
                                 <b>
                                     <a>4</a>
                                     <b>134</b>
-                                    <v>4307</v>
+                                    <v>4308</v>
                                 </b>
                             </bs>
                         </hist>
@@ -16745,7 +16775,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>65337</v>
+                                    <v>65352</v>
                                 </b>
                             </bs>
                         </hist>
@@ -16761,17 +16791,17 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>26809</v>
+                                    <v>26810</v>
                                 </b>
                                 <b>
                                     <a>2</a>
                                     <b>4</b>
-                                    <v>2858</v>
+                                    <v>2844</v>
                                 </b>
                                 <b>
                                     <a>4</a>
                                     <b>145</b>
-                                    <v>2465</v>
+                                    <v>2479</v>
                                 </b>
                                 <b>
                                     <a>145</a>
@@ -16792,17 +16822,17 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>26809</v>
+                                    <v>26810</v>
                                 </b>
                                 <b>
                                     <a>2</a>
                                     <b>4</b>
-                                    <v>2858</v>
+                                    <v>2844</v>
                                 </b>
                                 <b>
                                     <a>4</a>
                                     <b>145</b>
-                                    <v>2465</v>
+                                    <v>2479</v>
                                 </b>
                                 <b>
                                     <a>145</a>
@@ -16823,7 +16853,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>33921</v>
+                                    <v>33922</v>
                                 </b>
                             </bs>
                         </hist>
@@ -16842,8 +16872,8 @@
                                     <v>13</v>
                                 </b>
                                 <b>
-                                    <a>24599</a>
-                                    <b>24600</b>
+                                    <a>24600</a>
+                                    <b>24601</b>
                                     <v>13</v>
                                 </b>
                             </bs>
@@ -16863,8 +16893,8 @@
                                     <v>13</v>
                                 </b>
                                 <b>
-                                    <a>4609</a>
-                                    <b>4610</b>
+                                    <a>4610</a>
+                                    <b>4611</b>
                                     <v>13</v>
                                 </b>
                             </bs>
@@ -16896,7 +16926,7 @@
         </relation>
         <relation>
             <name>using_container</name>
-            <cardinality>732097</cardinality>
+            <cardinality>732121</cardinality>
             <columnsizes>
                 <e>
                     <k>parent</k>
@@ -16904,7 +16934,7 @@
                 </e>
                 <e>
                     <k>child</k>
-                    <v>338568</v>
+                    <v>338586</v>
                 </e>
             </columnsizes>
             <dependencies>
@@ -16918,17 +16948,17 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>12327</v>
+                                    <v>12328</v>
                                 </b>
                                 <b>
                                     <a>2</a>
                                     <b>4</b>
-                                    <v>2438</v>
+                                    <v>2424</v>
                                 </b>
                                 <b>
                                     <a>4</a>
                                     <b>6</b>
-                                    <v>1598</v>
+                                    <v>1612</v>
                                 </b>
                                 <b>
                                     <a>6</a>
@@ -16969,12 +16999,12 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>114174</v>
+                                    <v>114189</v>
                                 </b>
                                 <b>
                                     <a>2</a>
                                     <b>3</b>
-                                    <v>154260</v>
+                                    <v>154262</v>
                                 </b>
                                 <b>
                                     <a>3</a>
@@ -18206,15 +18236,15 @@
         </relation>
         <relation>
             <name>membervariables</name>
-            <cardinality>1444236</cardinality>
+            <cardinality>1444291</cardinality>
             <columnsizes>
                 <e>
                     <k>id</k>
-                    <v>1441778</v>
+                    <v>1441833</v>
                 </e>
                 <e>
                     <k>type_id</k>
-                    <v>448006</v>
+                    <v>448060</v>
                 </e>
                 <e>
                     <k>name</k>
@@ -18232,7 +18262,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>1439430</v>
+                                    <v>1439484</v>
                                 </b>
                                 <b>
                                     <a>2</a>
@@ -18253,7 +18283,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>1441778</v>
+                                    <v>1441833</v>
                                 </b>
                             </bs>
                         </hist>
@@ -18269,12 +18299,12 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>332222</v>
+                                    <v>332331</v>
                                 </b>
                                 <b>
                                     <a>2</a>
                                     <b>3</b>
-                                    <v>70944</v>
+                                    <v>70890</v>
                                 </b>
                                 <b>
                                     <a>3</a>
@@ -18283,7 +18313,7 @@
                                 </b>
                                 <b>
                                     <a>10</a>
-                                    <b>4152</b>
+                                    <b>4153</b>
                                     <v>9939</v>
                                 </b>
                             </bs>
@@ -18300,12 +18330,12 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>348934</v>
+                                    <v>349043</v>
                                 </b>
                                 <b>
                                     <a>2</a>
                                     <b>3</b>
-                                    <v>63517</v>
+                                    <v>63462</v>
                                 </b>
                                 <b>
                                     <a>3</a>
@@ -18553,11 +18583,11 @@
         </relation>
         <relation>
             <name>localvariables</name>
-            <cardinality>735324</cardinality>
+            <cardinality>735322</cardinality>
             <columnsizes>
                 <e>
                     <k>id</k>
-                    <v>735324</v>
+                    <v>735322</v>
                 </e>
                 <e>
                     <k>type_id</k>
@@ -18565,7 +18595,7 @@
                 </e>
                 <e>
                     <k>name</k>
-                    <v>102827</v>
+                    <v>102826</v>
                 </e>
             </columnsizes>
             <dependencies>
@@ -18579,7 +18609,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>735324</v>
+                                    <v>735322</v>
                                 </b>
                             </bs>
                         </hist>
@@ -18595,7 +18625,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>735324</v>
+                                    <v>735322</v>
                                 </b>
                             </bs>
                         </hist>
@@ -18616,7 +18646,7 @@
                                 <b>
                                     <a>2</a>
                                     <b>3</b>
-                                    <v>7926</v>
+                                    <v>7925</v>
                                 </b>
                                 <b>
                                     <a>3</a>
@@ -18657,7 +18687,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>38831</v>
+                                    <v>38830</v>
                                 </b>
                                 <b>
                                     <a>2</a>
@@ -18688,7 +18718,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>63262</v>
+                                    <v>63261</v>
                                 </b>
                                 <b>
                                     <a>2</a>
@@ -21390,7 +21420,7 @@
         </relation>
         <relation>
             <name>decltypes</name>
-            <cardinality>175649</cardinality>
+            <cardinality>175650</cardinality>
             <columnsizes>
                 <e>
                     <k>id</k>
@@ -21711,15 +21741,15 @@
         </relation>
         <relation>
             <name>usertypes</name>
-            <cardinality>4987434</cardinality>
+            <cardinality>4987509</cardinality>
             <columnsizes>
                 <e>
                     <k>id</k>
-                    <v>4987434</v>
+                    <v>4987509</v>
                 </e>
                 <e>
                     <k>name</k>
-                    <v>1074810</v>
+                    <v>1074799</v>
                 </e>
                 <e>
                     <k>kind</k>
@@ -21737,7 +21767,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>4987434</v>
+                                    <v>4987509</v>
                                 </b>
                             </bs>
                         </hist>
@@ -21753,7 +21783,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>4987434</v>
+                                    <v>4987509</v>
                                 </b>
                             </bs>
                         </hist>
@@ -21769,22 +21799,22 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>743259</v>
+                                    <v>743244</v>
                                 </b>
                                 <b>
                                     <a>2</a>
                                     <b>3</b>
-                                    <v>196974</v>
+                                    <v>196950</v>
                                 </b>
                                 <b>
                                     <a>3</a>
                                     <b>7</b>
-                                    <v>85996</v>
+                                    <v>86025</v>
                                 </b>
                                 <b>
                                     <a>7</a>
                                     <b>30181</b>
-                                    <v>48579</v>
+                                    <v>48580</v>
                                 </b>
                             </bs>
                         </hist>
@@ -21800,12 +21830,12 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>1008457</v>
+                                    <v>1008445</v>
                                 </b>
                                 <b>
                                     <a>2</a>
                                     <b>10</b>
-                                    <v>66353</v>
+                                    <v>66354</v>
                                 </b>
                             </bs>
                         </hist>
@@ -21935,8 +21965,8 @@
                                     <v>13</v>
                                 </b>
                                 <b>
-                                    <a>10829</a>
-                                    <b>10830</b>
+                                    <a>10827</a>
+                                    <b>10828</b>
                                     <v>13</v>
                                 </b>
                                 <b>
@@ -21957,11 +21987,11 @@
         </relation>
         <relation>
             <name>usertypesize</name>
-            <cardinality>1632137</cardinality>
+            <cardinality>1632161</cardinality>
             <columnsizes>
                 <e>
                     <k>id</k>
-                    <v>1632137</v>
+                    <v>1632161</v>
                 </e>
                 <e>
                     <k>size</k>
@@ -21983,7 +22013,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>1632137</v>
+                                    <v>1632161</v>
                                 </b>
                             </bs>
                         </hist>
@@ -21999,7 +22029,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>1632137</v>
+                                    <v>1632161</v>
                                 </b>
                             </bs>
                         </hist>
@@ -22334,7 +22364,7 @@
                 </e>
                 <e>
                     <k>constraint</k>
-                    <v>27881</v>
+                    <v>27882</v>
                 </e>
             </columnsizes>
             <dependencies>
@@ -22399,15 +22429,15 @@
         </relation>
         <relation>
             <name>mangled_name</name>
-            <cardinality>7776179</cardinality>
+            <cardinality>7776283</cardinality>
             <columnsizes>
                 <e>
                     <k>id</k>
-                    <v>7776179</v>
+                    <v>7776283</v>
                 </e>
                 <e>
                     <k>mangled_name</k>
-                    <v>5325040</v>
+                    <v>5327221</v>
                 </e>
                 <e>
                     <k>is_complete</k>
@@ -22425,7 +22455,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>7776179</v>
+                                    <v>7776283</v>
                                 </b>
                             </bs>
                         </hist>
@@ -22441,7 +22471,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>7776179</v>
+                                    <v>7776283</v>
                                 </b>
                             </bs>
                         </hist>
@@ -22457,17 +22487,17 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>4731503</v>
+                                    <v>4733728</v>
                                 </b>
                                 <b>
                                     <a>2</a>
                                     <b>3</b>
-                                    <v>459353</v>
+                                    <v>459564</v>
                                 </b>
                                 <b>
                                     <a>3</a>
                                     <b>9032</b>
-                                    <v>134183</v>
+                                    <v>133928</v>
                                 </b>
                             </bs>
                         </hist>
@@ -22483,7 +22513,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>5325040</v>
+                                    <v>5327221</v>
                                 </b>
                             </bs>
                         </hist>
@@ -22497,13 +22527,13 @@
                             <budget>12</budget>
                             <bs>
                                 <b>
-                                    <a>5005</a>
-                                    <b>5006</b>
+                                    <a>4842</a>
+                                    <b>4843</b>
                                     <v>13</v>
                                 </b>
                                 <b>
-                                    <a>570633</a>
-                                    <b>570634</b>
+                                    <a>570790</a>
+                                    <b>570791</b>
                                     <v>13</v>
                                 </b>
                             </bs>
@@ -22518,13 +22548,13 @@
                             <budget>12</budget>
                             <bs>
                                 <b>
-                                    <a>1518</a>
-                                    <b>1519</b>
+                                    <a>1515</a>
+                                    <b>1516</b>
                                     <v>13</v>
                                 </b>
                                 <b>
-                                    <a>391559</a>
-                                    <b>391560</b>
+                                    <a>391717</a>
+                                    <b>391718</b>
                                     <v>13</v>
                                 </b>
                             </bs>
@@ -22546,48 +22576,48 @@
         </relation>
         <relation>
             <name>is_standard_layout_class</name>
-            <cardinality>1344858</cardinality>
+            <cardinality>1344878</cardinality>
             <columnsizes>
                 <e>
                     <k>id</k>
-                    <v>1344858</v>
+                    <v>1344878</v>
                 </e>
             </columnsizes>
             <dependencies/>
         </relation>
         <relation>
             <name>is_complete</name>
-            <cardinality>1611274</cardinality>
+            <cardinality>1611299</cardinality>
             <columnsizes>
                 <e>
                     <k>id</k>
-                    <v>1611274</v>
+                    <v>1611299</v>
                 </e>
             </columnsizes>
             <dependencies/>
         </relation>
         <relation>
             <name>is_class_template</name>
-            <cardinality>292183</cardinality>
+            <cardinality>292187</cardinality>
             <columnsizes>
                 <e>
                     <k>id</k>
-                    <v>292183</v>
+                    <v>292187</v>
                 </e>
             </columnsizes>
             <dependencies/>
         </relation>
         <relation>
             <name>class_instantiation</name>
-            <cardinality>1327030</cardinality>
+            <cardinality>1327050</cardinality>
             <columnsizes>
                 <e>
                     <k>to</k>
-                    <v>1323128</v>
+                    <v>1323148</v>
                 </e>
                 <e>
                     <k>from</k>
-                    <v>91605</v>
+                    <v>91606</v>
                 </e>
             </columnsizes>
             <dependencies>
@@ -22601,7 +22631,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>1320392</v>
+                                    <v>1320411</v>
                                 </b>
                                 <b>
                                     <a>2</a>
@@ -22672,11 +22702,11 @@
         </relation>
         <relation>
             <name>class_template_argument</name>
-            <cardinality>3501700</cardinality>
+            <cardinality>3501753</cardinality>
             <columnsizes>
                 <e>
                     <k>type_id</k>
-                    <v>1631215</v>
+                    <v>1631240</v>
                 </e>
                 <e>
                     <k>index</k>
@@ -22684,7 +22714,7 @@
                 </e>
                 <e>
                     <k>arg_type</k>
-                    <v>1034467</v>
+                    <v>1034483</v>
                 </e>
             </columnsizes>
             <dependencies>
@@ -22698,22 +22728,22 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>678884</v>
+                                    <v>678894</v>
                                 </b>
                                 <b>
                                     <a>2</a>
                                     <b>3</b>
-                                    <v>490105</v>
+                                    <v>490113</v>
                                 </b>
                                 <b>
                                     <a>3</a>
                                     <b>4</b>
-                                    <v>308751</v>
+                                    <v>308755</v>
                                 </b>
                                 <b>
                                     <a>4</a>
                                     <b>7</b>
-                                    <v>124118</v>
+                                    <v>124120</v>
                                 </b>
                                 <b>
                                     <a>7</a>
@@ -22734,22 +22764,22 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>713442</v>
+                                    <v>713453</v>
                                 </b>
                                 <b>
                                     <a>2</a>
                                     <b>3</b>
-                                    <v>505454</v>
+                                    <v>505462</v>
                                 </b>
                                 <b>
                                     <a>3</a>
                                     <b>4</b>
-                                    <v>306813</v>
+                                    <v>306818</v>
                                 </b>
                                 <b>
                                     <a>4</a>
                                     <b>113</b>
-                                    <v>105504</v>
+                                    <v>105506</v>
                                 </b>
                             </bs>
                         </hist>
@@ -22857,22 +22887,22 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>649080</v>
+                                    <v>649090</v>
                                 </b>
                                 <b>
                                     <a>2</a>
                                     <b>3</b>
-                                    <v>212187</v>
+                                    <v>212190</v>
                                 </b>
                                 <b>
                                     <a>3</a>
                                     <b>4</b>
-                                    <v>62153</v>
+                                    <v>62154</v>
                                 </b>
                                 <b>
                                     <a>4</a>
                                     <b>11</b>
-                                    <v>78667</v>
+                                    <v>78669</v>
                                 </b>
                                 <b>
                                     <a>11</a>
@@ -22893,12 +22923,12 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>912381</v>
+                                    <v>912395</v>
                                 </b>
                                 <b>
                                     <a>2</a>
                                     <b>3</b>
-                                    <v>98852</v>
+                                    <v>98854</v>
                                 </b>
                                 <b>
                                     <a>3</a>
@@ -23139,15 +23169,15 @@
         </relation>
         <relation>
             <name>is_proxy_class_for</name>
-            <cardinality>62059</cardinality>
+            <cardinality>62060</cardinality>
             <columnsizes>
                 <e>
                     <k>id</k>
-                    <v>62059</v>
+                    <v>62060</v>
                 </e>
                 <e>
                     <k>templ_param_id</k>
-                    <v>58631</v>
+                    <v>58632</v>
                 </e>
             </columnsizes>
             <dependencies>
@@ -23161,7 +23191,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>62059</v>
+                                    <v>62060</v>
                                 </b>
                             </bs>
                         </hist>
@@ -23177,7 +23207,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>57710</v>
+                                    <v>57711</v>
                                 </b>
                                 <b>
                                     <a>2</a>
@@ -24710,12 +24740,12 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>6461</v>
+                                    <v>6462</v>
                                 </b>
                                 <b>
                                     <a>2</a>
                                     <b>4</b>
-                                    <v>717</v>
+                                    <v>718</v>
                                 </b>
                                 <b>
                                     <a>4</a>
@@ -24863,7 +24893,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>11609</v>
+                                    <v>11610</v>
                                 </b>
                                 <b>
                                     <a>3</a>
@@ -26066,11 +26096,11 @@
         </relation>
         <relation>
             <name>ptrtomembers</name>
-            <cardinality>12083</cardinality>
+            <cardinality>12084</cardinality>
             <columnsizes>
                 <e>
                     <k>id</k>
-                    <v>12083</v>
+                    <v>12084</v>
                 </e>
                 <e>
                     <k>type_id</k>
@@ -26092,7 +26122,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>12083</v>
+                                    <v>12084</v>
                                 </b>
                             </bs>
                         </hist>
@@ -26108,7 +26138,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>12083</v>
+                                    <v>12084</v>
                                 </b>
                             </bs>
                         </hist>
@@ -26166,7 +26196,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>4876</v>
+                                    <v>4877</v>
                                 </b>
                                 <b>
                                     <a>2</a>
@@ -26197,7 +26227,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>4876</v>
+                                    <v>4877</v>
                                 </b>
                                 <b>
                                     <a>2</a>
@@ -26270,11 +26300,11 @@
         </relation>
         <relation>
             <name>typespecifiers</name>
-            <cardinality>991496</cardinality>
+            <cardinality>991511</cardinality>
             <columnsizes>
                 <e>
                     <k>type_id</k>
-                    <v>984912</v>
+                    <v>984927</v>
                 </e>
                 <e>
                     <k>spec_id</k>
@@ -26292,7 +26322,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>978328</v>
+                                    <v>978343</v>
                                 </b>
                                 <b>
                                     <a>2</a>
@@ -26358,7 +26388,7 @@
         </relation>
         <relation>
             <name>funspecifiers</name>
-            <cardinality>9728427</cardinality>
+            <cardinality>9728384</cardinality>
             <columnsizes>
                 <e>
                     <k>func_id</k>
@@ -26385,12 +26415,12 @@
                                 <b>
                                     <a>2</a>
                                     <b>3</b>
-                                    <v>677260</v>
+                                    <v>677303</v>
                                 </b>
                                 <b>
                                     <a>3</a>
                                     <b>4</b>
-                                    <v>1424206</v>
+                                    <v>1424163</v>
                                 </b>
                                 <b>
                                     <a>4</a>
@@ -26494,8 +26524,8 @@
                                     <v>42</v>
                                 </b>
                                 <b>
-                                    <a>42407</a>
-                                    <b>42408</b>
+                                    <a>42406</a>
+                                    <b>42407</b>
                                     <v>42</v>
                                 </b>
                                 <b>
@@ -26516,11 +26546,11 @@
         </relation>
         <relation>
             <name>varspecifiers</name>
-            <cardinality>2898030</cardinality>
+            <cardinality>2898085</cardinality>
             <columnsizes>
                 <e>
                     <k>var_id</k>
-                    <v>2544999</v>
+                    <v>2545054</v>
                 </e>
                 <e>
                     <k>spec_id</k>
@@ -26538,7 +26568,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>2191969</v>
+                                    <v>2192023</v>
                                 </b>
                                 <b>
                                     <a>2</a>
@@ -26587,8 +26617,8 @@
                                     <v>54</v>
                                 </b>
                                 <b>
-                                    <a>32448</a>
-                                    <b>32449</b>
+                                    <a>32449</a>
+                                    <b>32450</b>
                                     <v>54</v>
                                 </b>
                             </bs>
@@ -27185,11 +27215,11 @@
         </relation>
         <relation>
             <name>attribute_args</name>
-            <cardinality>99123</cardinality>
+            <cardinality>98908</cardinality>
             <columnsizes>
                 <e>
                     <k>id</k>
-                    <v>99123</v>
+                    <v>98908</v>
                 </e>
                 <e>
                     <k>kind</k>
@@ -27197,7 +27227,7 @@
                 </e>
                 <e>
                     <k>attribute</k>
-                    <v>85332</v>
+                    <v>85334</v>
                 </e>
                 <e>
                     <k>index</k>
@@ -27205,7 +27235,7 @@
                 </e>
                 <e>
                     <k>location</k>
-                    <v>91943</v>
+                    <v>91945</v>
                 </e>
             </columnsizes>
             <dependencies>
@@ -27219,7 +27249,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>99123</v>
+                                    <v>98908</v>
                                 </b>
                             </bs>
                         </hist>
@@ -27235,7 +27265,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>99123</v>
+                                    <v>98908</v>
                                 </b>
                             </bs>
                         </hist>
@@ -27251,7 +27281,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>99123</v>
+                                    <v>98908</v>
                                 </b>
                             </bs>
                         </hist>
@@ -27267,7 +27297,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>99123</v>
+                                    <v>98908</v>
                                 </b>
                             </bs>
                         </hist>
@@ -27296,8 +27326,8 @@
                                     <v>13</v>
                                 </b>
                                 <b>
-                                    <a>6614</a>
-                                    <b>6615</b>
+                                    <a>6598</a>
+                                    <b>6599</b>
                                     <v>13</v>
                                 </b>
                             </bs>
@@ -27402,12 +27432,12 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>77177</v>
+                                    <v>77395</v>
                                 </b>
                                 <b>
                                     <a>2</a>
                                     <b>4</b>
-                                    <v>6800</v>
+                                    <v>6583</v>
                                 </b>
                                 <b>
                                     <a>4</a>
@@ -27428,7 +27458,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>83029</v>
+                                    <v>83031</v>
                                 </b>
                                 <b>
                                     <a>2</a>
@@ -27449,7 +27479,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>79047</v>
+                                    <v>79048</v>
                                 </b>
                                 <b>
                                     <a>2</a>
@@ -27470,7 +27500,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>80659</v>
+                                    <v>80660</v>
                                 </b>
                                 <b>
                                     <a>2</a>
@@ -27509,8 +27539,8 @@
                                     <v>13</v>
                                 </b>
                                 <b>
-                                    <a>6497</a>
-                                    <b>6498</b>
+                                    <a>6481</a>
+                                    <b>6482</b>
                                     <v>13</v>
                                 </b>
                             </bs>
@@ -27625,12 +27655,12 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>89329</v>
+                                    <v>89547</v>
                                 </b>
                                 <b>
                                     <a>2</a>
                                     <b>23</b>
-                                    <v>2614</v>
+                                    <v>2397</v>
                                 </b>
                             </bs>
                         </hist>
@@ -27646,7 +27676,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>91727</v>
+                                    <v>91728</v>
                                 </b>
                                 <b>
                                     <a>2</a>
@@ -27667,7 +27697,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>91537</v>
+                                    <v>91538</v>
                                 </b>
                                 <b>
                                     <a>2</a>
@@ -27688,7 +27718,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>91388</v>
+                                    <v>91389</v>
                                 </b>
                                 <b>
                                     <a>2</a>
@@ -27859,15 +27889,15 @@
         </relation>
         <relation>
             <name>attribute_arg_constant</name>
-            <cardinality>89600</cardinality>
+            <cardinality>89384</cardinality>
             <columnsizes>
                 <e>
                     <k>arg</k>
-                    <v>89600</v>
+                    <v>89384</v>
                 </e>
                 <e>
                     <k>constant</k>
-                    <v>89600</v>
+                    <v>89384</v>
                 </e>
             </columnsizes>
             <dependencies>
@@ -27881,7 +27911,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>89600</v>
+                                    <v>89384</v>
                                 </b>
                             </bs>
                         </hist>
@@ -27897,7 +27927,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>89600</v>
+                                    <v>89384</v>
                                 </b>
                             </bs>
                         </hist>
@@ -28265,15 +28295,15 @@
         </relation>
         <relation>
             <name>unspecifiedtype</name>
-            <cardinality>8345603</cardinality>
+            <cardinality>8345729</cardinality>
             <columnsizes>
                 <e>
                     <k>type_id</k>
-                    <v>8345603</v>
+                    <v>8345729</v>
                 </e>
                 <e>
                     <k>unspecified_type_id</k>
-                    <v>4799035</v>
+                    <v>4799107</v>
                 </e>
             </columnsizes>
             <dependencies>
@@ -28287,7 +28317,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>8345603</v>
+                                    <v>8345729</v>
                                 </b>
                             </bs>
                         </hist>
@@ -28303,17 +28333,17 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>3198462</v>
+                                    <v>3198511</v>
                                 </b>
                                 <b>
                                     <a>2</a>
                                     <b>3</b>
-                                    <v>1309012</v>
+                                    <v>1309032</v>
                                 </b>
                                 <b>
                                     <a>3</a>
                                     <b>6271</b>
-                                    <v>291559</v>
+                                    <v>291564</v>
                                 </b>
                             </bs>
                         </hist>
@@ -29519,7 +29549,7 @@
                 </e>
                 <e>
                     <k>decl_id</k>
-                    <v>98169</v>
+                    <v>98040</v>
                 </e>
                 <e>
                     <k>location</k>
@@ -29718,12 +29748,12 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>60620</v>
+                                    <v>60362</v>
                                 </b>
                                 <b>
                                     <a>2</a>
                                     <b>3</b>
-                                    <v>7518</v>
+                                    <v>7647</v>
                                 </b>
                                 <b>
                                     <a>3</a>
@@ -29759,12 +29789,12 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>60620</v>
+                                    <v>60362</v>
                                 </b>
                                 <b>
                                     <a>2</a>
                                     <b>3</b>
-                                    <v>7518</v>
+                                    <v>7647</v>
                                 </b>
                                 <b>
                                     <a>3</a>
@@ -29800,7 +29830,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>97310</v>
+                                    <v>97181</v>
                                 </b>
                                 <b>
                                     <a>2</a>
@@ -29867,7 +29897,7 @@
                                 </b>
                                 <b>
                                     <a>2</a>
-                                    <b>2132</b>
+                                    <b>2129</b>
                                     <v>429</v>
                                 </b>
                             </bs>
@@ -30125,11 +30155,11 @@
         </relation>
         <relation>
             <name>compgenerated</name>
-            <cardinality>10714334</cardinality>
+            <cardinality>10716063</cardinality>
             <columnsizes>
                 <e>
                     <k>id</k>
-                    <v>10714334</v>
+                    <v>10716063</v>
                 </e>
             </columnsizes>
             <dependencies/>
@@ -30441,7 +30471,7 @@
         </relation>
         <relation>
             <name>namespacembrs</name>
-            <cardinality>2025652</cardinality>
+            <cardinality>2025696</cardinality>
             <columnsizes>
                 <e>
                     <k>parentid</k>
@@ -30449,7 +30479,7 @@
                 </e>
                 <e>
                     <k>memberid</k>
-                    <v>2025652</v>
+                    <v>2025696</v>
                 </e>
             </columnsizes>
             <dependencies>
@@ -30539,7 +30569,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>2025652</v>
+                                    <v>2025696</v>
                                 </b>
                             </bs>
                         </hist>
@@ -32000,11 +32030,11 @@
         </relation>
         <relation>
             <name>valuetext</name>
-            <cardinality>6605626</cardinality>
+            <cardinality>6605580</cardinality>
             <columnsizes>
                 <e>
                     <k>id</k>
-                    <v>6605626</v>
+                    <v>6605580</v>
                 </e>
                 <e>
                     <k>text</k>
@@ -32022,7 +32052,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>6605626</v>
+                                    <v>6605580</v>
                                 </b>
                             </bs>
                         </hist>
@@ -32116,11 +32146,11 @@
         </relation>
         <relation>
             <name>fieldoffsets</name>
-            <cardinality>1441778</cardinality>
+            <cardinality>1441833</cardinality>
             <columnsizes>
                 <e>
                     <k>id</k>
-                    <v>1441778</v>
+                    <v>1441833</v>
                 </e>
                 <e>
                     <k>byteoffset</k>
@@ -32142,7 +32172,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>1441778</v>
+                                    <v>1441833</v>
                                 </b>
                             </bs>
                         </hist>
@@ -32158,7 +32188,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>1441778</v>
+                                    <v>1441833</v>
                                 </b>
                             </bs>
                         </hist>
@@ -32203,7 +32233,7 @@
                                 </b>
                                 <b>
                                     <a>244</a>
-                                    <b>5638</b>
+                                    <b>5639</b>
                                     <v>1092</v>
                                 </b>
                             </bs>
@@ -32274,8 +32304,8 @@
                                     <v>54</v>
                                 </b>
                                 <b>
-                                    <a>26131</a>
-                                    <b>26132</b>
+                                    <a>26132</a>
+                                    <b>26133</b>
                                     <v>54</v>
                                 </b>
                             </bs>
@@ -32317,11 +32347,11 @@
         </relation>
         <relation>
             <name>bitfield</name>
-            <cardinality>27375</cardinality>
+            <cardinality>27388</cardinality>
             <columnsizes>
                 <e>
                     <k>id</k>
-                    <v>27375</v>
+                    <v>27388</v>
                 </e>
                 <e>
                     <k>bits</k>
@@ -32343,7 +32373,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>27375</v>
+                                    <v>27388</v>
                                 </b>
                             </bs>
                         </hist>
@@ -32359,7 +32389,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>27375</v>
+                                    <v>27388</v>
                                 </b>
                             </bs>
                         </hist>
@@ -32408,7 +32438,7 @@
                                     <v>19</v>
                                 </b>
                                 <b>
-                                    <a>17</a>
+                                    <a>18</a>
                                     <b>21</b>
                                     <v>19</v>
                                 </b>
@@ -32419,7 +32449,7 @@
                                 </b>
                                 <b>
                                     <a>36</a>
-                                    <b>78</b>
+                                    <b>79</b>
                                     <v>19</v>
                                 </b>
                                 <b>
@@ -32495,7 +32525,7 @@
                                     <v>19</v>
                                 </b>
                                 <b>
-                                    <a>17</a>
+                                    <a>18</a>
                                     <b>21</b>
                                     <v>19</v>
                                 </b>
@@ -32506,7 +32536,7 @@
                                 </b>
                                 <b>
                                     <a>36</a>
-                                    <b>78</b>
+                                    <b>79</b>
                                     <v>19</v>
                                 </b>
                                 <b>
@@ -33616,6 +33646,10 @@
                     <k>position</k>
                     <v>32</v>
                 </e>
+                <e>
+                    <k>is_designated</k>
+                    <v>2</v>
+                </e>
             </columnsizes>
             <dependencies>
                 <dep>
@@ -33771,6 +33805,27 @@
                         </hist>
                     </val>
                 </dep>
+                <dep>
+                    <src>aggregate</src>
+                    <trg>is_designated</trg>
+                    <val>
+                        <hist>
+                            <budget>12</budget>
+                            <bs>
+                                <b>
+                                    <a>1</a>
+                                    <b>2</b>
+                                    <v>1242986</v>
+                                </b>
+                                <b>
+                                    <a>2</a>
+                                    <b>3</b>
+                                    <v>82</v>
+                                </b>
+                            </bs>
+                        </hist>
+                    </val>
+                </dep>
                 <dep>
                     <src>initializer</src>
                     <trg>aggregate</trg>
@@ -33824,6 +33879,22 @@
                         </hist>
                     </val>
                 </dep>
+                <dep>
+                    <src>initializer</src>
+                    <trg>is_designated</trg>
+                    <val>
+                        <hist>
+                            <budget>12</budget>
+                            <bs>
+                                <b>
+                                    <a>1</a>
+                                    <b>2</b>
+                                    <v>5717202</v>
+                                </b>
+                            </bs>
+                        </hist>
+                    </val>
+                </dep>
                 <dep>
                     <src>field</src>
                     <trg>aggregate</trg>
@@ -33957,6 +34028,27 @@
                         </hist>
                     </val>
                 </dep>
+                <dep>
+                    <src>field</src>
+                    <trg>is_designated</trg>
+                    <val>
+                        <hist>
+                            <budget>12</budget>
+                            <bs>
+                                <b>
+                                    <a>1</a>
+                                    <b>2</b>
+                                    <v>3201</v>
+                                </b>
+                                <b>
+                                    <a>2</a>
+                                    <b>3</b>
+                                    <v>26</v>
+                                </b>
+                            </bs>
+                        </hist>
+                    </val>
+                </dep>
                 <dep>
                     <src>position</src>
                     <trg>aggregate</trg>
@@ -34170,6 +34262,111 @@
                         </hist>
                     </val>
                 </dep>
+                <dep>
+                    <src>position</src>
+                    <trg>is_designated</trg>
+                    <val>
+                        <hist>
+                            <budget>12</budget>
+                            <bs>
+                                <b>
+                                    <a>1</a>
+                                    <b>2</b>
+                                    <v>24</v>
+                                </b>
+                                <b>
+                                    <a>2</a>
+                                    <b>3</b>
+                                    <v>8</v>
+                                </b>
+                            </bs>
+                        </hist>
+                    </val>
+                </dep>
+                <dep>
+                    <src>is_designated</src>
+                    <trg>aggregate</trg>
+                    <val>
+                        <hist>
+                            <budget>12</budget>
+                            <bs>
+                                <b>
+                                    <a>480</a>
+                                    <b>481</b>
+                                    <v>1</v>
+                                </b>
+                                <b>
+                                    <a>1242670</a>
+                                    <b>1242671</b>
+                                    <v>1</v>
+                                </b>
+                            </bs>
+                        </hist>
+                    </val>
+                </dep>
+                <dep>
+                    <src>is_designated</src>
+                    <trg>initializer</trg>
+                    <val>
+                        <hist>
+                            <budget>12</budget>
+                            <bs>
+                                <b>
+                                    <a>710</a>
+                                    <b>711</b>
+                                    <v>1</v>
+                                </b>
+                                <b>
+                                    <a>5716492</a>
+                                    <b>5716493</b>
+                                    <v>1</v>
+                                </b>
+                            </bs>
+                        </hist>
+                    </val>
+                </dep>
+                <dep>
+                    <src>is_designated</src>
+                    <trg>field</trg>
+                    <val>
+                        <hist>
+                            <budget>12</budget>
+                            <bs>
+                                <b>
+                                    <a>218</a>
+                                    <b>219</b>
+                                    <v>1</v>
+                                </b>
+                                <b>
+                                    <a>3035</a>
+                                    <b>3036</b>
+                                    <v>1</v>
+                                </b>
+                            </bs>
+                        </hist>
+                    </val>
+                </dep>
+                <dep>
+                    <src>is_designated</src>
+                    <trg>position</trg>
+                    <val>
+                        <hist>
+                            <budget>12</budget>
+                            <bs>
+                                <b>
+                                    <a>8</a>
+                                    <b>9</b>
+                                    <v>1</v>
+                                </b>
+                                <b>
+                                    <a>32</a>
+                                    <b>33</b>
+                                    <v>1</v>
+                                </b>
+                            </bs>
+                        </hist>
+                    </val>
+                </dep>
             </dependencies>
         </relation>
         <relation>
@@ -34192,6 +34389,10 @@
                     <k>position</k>
                     <v>62922</v>
                 </e>
+                <e>
+                    <k>is_designated</k>
+                    <v>2</v>
+                </e>
             </columnsizes>
             <dependencies>
                 <dep>
@@ -34347,6 +34548,22 @@
                         </hist>
                     </val>
                 </dep>
+                <dep>
+                    <src>aggregate</src>
+                    <trg>is_designated</trg>
+                    <val>
+                        <hist>
+                            <budget>12</budget>
+                            <bs>
+                                <b>
+                                    <a>1</a>
+                                    <b>2</b>
+                                    <v>152356</v>
+                                </b>
+                            </bs>
+                        </hist>
+                    </val>
+                </dep>
                 <dep>
                     <src>initializer</src>
                     <trg>aggregate</trg>
@@ -34395,6 +34612,22 @@
                         </hist>
                     </val>
                 </dep>
+                <dep>
+                    <src>initializer</src>
+                    <trg>is_designated</trg>
+                    <val>
+                        <hist>
+                            <budget>12</budget>
+                            <bs>
+                                <b>
+                                    <a>1</a>
+                                    <b>2</b>
+                                    <v>1349246</v>
+                                </b>
+                            </bs>
+                        </hist>
+                    </val>
+                </dep>
                 <dep>
                     <src>element_index</src>
                     <trg>aggregate</trg>
@@ -34498,6 +34731,27 @@
                         </hist>
                     </val>
                 </dep>
+                <dep>
+                    <src>element_index</src>
+                    <trg>is_designated</trg>
+                    <val>
+                        <hist>
+                            <budget>12</budget>
+                            <bs>
+                                <b>
+                                    <a>1</a>
+                                    <b>2</b>
+                                    <v>62914</v>
+                                </b>
+                                <b>
+                                    <a>2</a>
+                                    <b>3</b>
+                                    <v>8</v>
+                                </b>
+                            </bs>
+                        </hist>
+                    </val>
+                </dep>
                 <dep>
                     <src>position</src>
                     <trg>aggregate</trg>
@@ -34601,6 +34855,111 @@
                         </hist>
                     </val>
                 </dep>
+                <dep>
+                    <src>position</src>
+                    <trg>is_designated</trg>
+                    <val>
+                        <hist>
+                            <budget>12</budget>
+                            <bs>
+                                <b>
+                                    <a>1</a>
+                                    <b>2</b>
+                                    <v>62915</v>
+                                </b>
+                                <b>
+                                    <a>2</a>
+                                    <b>3</b>
+                                    <v>7</v>
+                                </b>
+                            </bs>
+                        </hist>
+                    </val>
+                </dep>
+                <dep>
+                    <src>is_designated</src>
+                    <trg>aggregate</trg>
+                    <val>
+                        <hist>
+                            <budget>12</budget>
+                            <bs>
+                                <b>
+                                    <a>3</a>
+                                    <b>4</b>
+                                    <v>1</v>
+                                </b>
+                                <b>
+                                    <a>152353</a>
+                                    <b>152354</b>
+                                    <v>1</v>
+                                </b>
+                            </bs>
+                        </hist>
+                    </val>
+                </dep>
+                <dep>
+                    <src>is_designated</src>
+                    <trg>initializer</trg>
+                    <val>
+                        <hist>
+                            <budget>12</budget>
+                            <bs>
+                                <b>
+                                    <a>16</a>
+                                    <b>17</b>
+                                    <v>1</v>
+                                </b>
+                                <b>
+                                    <a>1349230</a>
+                                    <b>1349231</b>
+                                    <v>1</v>
+                                </b>
+                            </bs>
+                        </hist>
+                    </val>
+                </dep>
+                <dep>
+                    <src>is_designated</src>
+                    <trg>element_index</trg>
+                    <val>
+                        <hist>
+                            <budget>12</budget>
+                            <bs>
+                                <b>
+                                    <a>8</a>
+                                    <b>9</b>
+                                    <v>1</v>
+                                </b>
+                                <b>
+                                    <a>62922</a>
+                                    <b>62923</b>
+                                    <v>1</v>
+                                </b>
+                            </bs>
+                        </hist>
+                    </val>
+                </dep>
+                <dep>
+                    <src>is_designated</src>
+                    <trg>position</trg>
+                    <val>
+                        <hist>
+                            <budget>12</budget>
+                            <bs>
+                                <b>
+                                    <a>7</a>
+                                    <b>8</b>
+                                    <v>1</v>
+                                </b>
+                                <b>
+                                    <a>62922</a>
+                                    <b>62923</b>
+                                    <v>1</v>
+                                </b>
+                            </bs>
+                        </hist>
+                    </val>
+                </dep>
             </dependencies>
         </relation>
         <relation>
@@ -38063,22 +38422,22 @@
         </relation>
         <relation>
             <name>ishandler</name>
-            <cardinality>47475</cardinality>
+            <cardinality>47531</cardinality>
             <columnsizes>
                 <e>
                     <k>block</k>
-                    <v>47475</v>
+                    <v>47531</v>
                 </e>
             </columnsizes>
             <dependencies/>
         </relation>
         <relation>
             <name>stmt_decl_bind</name>
-            <cardinality>730761</cardinality>
+            <cardinality>730759</cardinality>
             <columnsizes>
                 <e>
                     <k>stmt</k>
-                    <v>690291</v>
+                    <v>690289</v>
                 </e>
                 <e>
                     <k>num</k>
@@ -38086,7 +38445,7 @@
                 </e>
                 <e>
                     <k>decl</k>
-                    <v>730692</v>
+                    <v>730690</v>
                 </e>
             </columnsizes>
             <dependencies>
@@ -38100,7 +38459,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>668062</v>
+                                    <v>668061</v>
                                 </b>
                                 <b>
                                     <a>2</a>
@@ -38121,7 +38480,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>668062</v>
+                                    <v>668061</v>
                                 </b>
                                 <b>
                                     <a>2</a>
@@ -38186,7 +38545,7 @@
                                 </b>
                                 <b>
                                     <a>5480</a>
-                                    <b>170178</b>
+                                    <b>170179</b>
                                     <v>8</v>
                                 </b>
                             </bs>
@@ -38247,7 +38606,7 @@
                                 </b>
                                 <b>
                                     <a>5480</a>
-                                    <b>170161</b>
+                                    <b>170162</b>
                                     <v>8</v>
                                 </b>
                             </bs>
@@ -38264,7 +38623,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>730667</v>
+                                    <v>730666</v>
                                 </b>
                                 <b>
                                     <a>2</a>
@@ -38285,7 +38644,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>730692</v>
+                                    <v>730690</v>
                                 </b>
                             </bs>
                         </hist>
@@ -38295,11 +38654,11 @@
         </relation>
         <relation>
             <name>stmt_decl_entry_bind</name>
-            <cardinality>730761</cardinality>
+            <cardinality>730759</cardinality>
             <columnsizes>
                 <e>
                     <k>stmt</k>
-                    <v>690291</v>
+                    <v>690289</v>
                 </e>
                 <e>
                     <k>num</k>
@@ -38307,7 +38666,7 @@
                 </e>
                 <e>
                     <k>decl_entry</k>
-                    <v>730761</v>
+                    <v>730759</v>
                 </e>
             </columnsizes>
             <dependencies>
@@ -38321,7 +38680,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>668062</v>
+                                    <v>668061</v>
                                 </b>
                                 <b>
                                     <a>2</a>
@@ -38342,7 +38701,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>668062</v>
+                                    <v>668061</v>
                                 </b>
                                 <b>
                                     <a>2</a>
@@ -38407,7 +38766,7 @@
                                 </b>
                                 <b>
                                     <a>5480</a>
-                                    <b>170178</b>
+                                    <b>170179</b>
                                     <v>8</v>
                                 </b>
                             </bs>
@@ -38468,7 +38827,7 @@
                                 </b>
                                 <b>
                                     <a>5480</a>
-                                    <b>170178</b>
+                                    <b>170179</b>
                                     <v>8</v>
                                 </b>
                             </bs>
@@ -38485,7 +38844,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>730761</v>
+                                    <v>730759</v>
                                 </b>
                             </bs>
                         </hist>
@@ -38501,7 +38860,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>730761</v>
+                                    <v>730759</v>
                                 </b>
                             </bs>
                         </hist>
@@ -39197,15 +39556,15 @@
         </relation>
         <relation>
             <name>includes</name>
-            <cardinality>408674</cardinality>
+            <cardinality>408680</cardinality>
             <columnsizes>
                 <e>
                     <k>id</k>
-                    <v>408674</v>
+                    <v>408680</v>
                 </e>
                 <e>
                     <k>included</k>
-                    <v>75281</v>
+                    <v>75282</v>
                 </e>
             </columnsizes>
             <dependencies>
@@ -39219,7 +39578,7 @@
                                 <b>
                                     <a>1</a>
                                     <b>2</b>
-                                    <v>408674</v>
+                                    <v>408680</v>
                                 </b>
                             </bs>
                         </hist>

From 0bcee84117cbac52eb9dfbce063e4968a29a0191 Mon Sep 17 00:00:00 2001
From: Jeroen Ketema <jketema@github.com>
Date: Thu, 17 Apr 2025 12:33:27 +0200
Subject: [PATCH 5/5] C++: Minor textual fixes

---
 .../upgrade.properties                        |  4 ++--
 .../2025-04-15-field-array-designator.md      |  2 +-
 cpp/ql/lib/semmle/code/cpp/exprs/Literal.qll  | 23 ++++++++-----------
 .../upgrade.properties                        |  4 ++--
 4 files changed, 15 insertions(+), 18 deletions(-)

diff --git a/cpp/downgrades/2e2d805ef93d060b813403cb9b51dc72455a4c68/upgrade.properties b/cpp/downgrades/2e2d805ef93d060b813403cb9b51dc72455a4c68/upgrade.properties
index b7e78b39ee7a..42981491b823 100644
--- a/cpp/downgrades/2e2d805ef93d060b813403cb9b51dc72455a4c68/upgrade.properties
+++ b/cpp/downgrades/2e2d805ef93d060b813403cb9b51dc72455a4c68/upgrade.properties
@@ -1,4 +1,4 @@
-description: add `isDesignatorInit`predicate to `ArrayOrVectorAggregateLiteral` and `ClassAggregateLiteral`
+description: add `hasDesignator` predicate to `ArrayOrVectorAggregateLiteral` and `ClassAggregateLiteral`
 compatibility: backwards
 aggregate_array_init.rel: run aggregate_array_init.qlo
-aggregate_field_init.rel: run aggregate_field_init.qlo
\ No newline at end of file
+aggregate_field_init.rel: run aggregate_field_init.qlo
diff --git a/cpp/ql/lib/change-notes/2025-04-15-field-array-designator.md b/cpp/ql/lib/change-notes/2025-04-15-field-array-designator.md
index 8b4911abd44d..c621bb499e33 100644
--- a/cpp/ql/lib/change-notes/2025-04-15-field-array-designator.md
+++ b/cpp/ql/lib/change-notes/2025-04-15-field-array-designator.md
@@ -1,4 +1,4 @@
 ---
 category: feature
 ---
-* Introduced `isDesignatorInit()` predicates to distinguish between designator-based and positional initializations for both struct/union fields and array elements.
\ No newline at end of file
+* Introduced `hasDesignator()` predicates to distinguish between designated and positional initializations for both struct/union fields and array elements.
\ No newline at end of file
diff --git a/cpp/ql/lib/semmle/code/cpp/exprs/Literal.qll b/cpp/ql/lib/semmle/code/cpp/exprs/Literal.qll
index fb79988c10f1..31e2b5135b42 100644
--- a/cpp/ql/lib/semmle/code/cpp/exprs/Literal.qll
+++ b/cpp/ql/lib/semmle/code/cpp/exprs/Literal.qll
@@ -218,20 +218,17 @@ class ClassAggregateLiteral extends AggregateLiteral {
 
   /**
    * Holds if the `position`-th initialization of `field` in this aggregate initializer
-   * uses a designator (e.g., `.x =`, `[42] =`) rather than a positional initializer.
+   * uses a designated (e.g., `.x = ...`) rather than a positional initializer.
    *
-   * This can be used to distinguish explicitly designated initializations from
-   * implicit positional ones.
-   *
-   * For example, in the initializer:
+   * For example, in:
    * ```c
    * struct S { int x, y; };
    * struct S s = { .x = 1, 2 };
    * ```
-   * - `.x = 1` is a designator init, therefore `isDesignatorInit(x, 0)` holds.
-   * - `2` is a positional init for `.y`, therefore `isDesignatorInit(y, 1)` does **not** hold.
+   * - `.x = 1` is a designated initializer, therefore `hasDesignator(x, 0)` holds.
+   * - `2` is a positional initializer for `s.y`, therefore `hasDesignator(y, 1)` does not hold.
    */
-  predicate isDesignatorInit(Field field, int position) {
+  predicate hasDesignator(Field field, int position) {
     field = classType.getAField() and
     aggregate_field_init(underlyingElement(this), _, unresolveElement(field), position, true)
   }
@@ -330,17 +327,17 @@ class ArrayOrVectorAggregateLiteral extends AggregateLiteral {
 
   /**
    * Holds if the `position`-th initialization of the array element at `elementIndex`
-   * in this aggregate initializer uses a designator (e.g., `[0] = ...`) rather than
-   * an implicit positional initializer.
+   * in this aggregate initializer uses a designated (e.g., `[0] = ...`) rather than
+   * a positional initializer.
    *
    * For example, in:
    * ```c
    * int x[] = { [0] = 1, 2 };
    * ```
-   * - `[0] = 1` is a designator init, therefore `isDesignatorInit(0, 0)` holds.
-   * - `2` is a positional init for `x[1]`, therefore `isDesignatorInit(1, 1)` does **not** hold.
+   * - `[0] = 1` is a designated initializer, therefore `hasDesignator(0, 0)` holds.
+   * - `2` is a positional initializer for `x[1]`, therefore `hasDesignator(1, 1)` does not hold.
    */
-  predicate isDesignatorInit(int elementIndex, int position) {
+  predicate hasDesignator(int elementIndex, int position) {
     aggregate_array_init(underlyingElement(this), _, elementIndex, position, true)
   }
 
diff --git a/cpp/ql/lib/upgrades/0f0a390468a5eb43d1dc72937c028070b106bf53/upgrade.properties b/cpp/ql/lib/upgrades/0f0a390468a5eb43d1dc72937c028070b106bf53/upgrade.properties
index b7e78b39ee7a..42981491b823 100644
--- a/cpp/ql/lib/upgrades/0f0a390468a5eb43d1dc72937c028070b106bf53/upgrade.properties
+++ b/cpp/ql/lib/upgrades/0f0a390468a5eb43d1dc72937c028070b106bf53/upgrade.properties
@@ -1,4 +1,4 @@
-description: add `isDesignatorInit`predicate to `ArrayOrVectorAggregateLiteral` and `ClassAggregateLiteral`
+description: add `hasDesignator` predicate to `ArrayOrVectorAggregateLiteral` and `ClassAggregateLiteral`
 compatibility: backwards
 aggregate_array_init.rel: run aggregate_array_init.qlo
-aggregate_field_init.rel: run aggregate_field_init.qlo
\ No newline at end of file
+aggregate_field_init.rel: run aggregate_field_init.qlo