Merge pull request #10091 from tamasvajk/kotlin-data-class

Kotlin: Identify data classes during extraction

Author: tamasvajk

java/downgrades/ecb42310286011ada450ff65b9b417509863549f/old.dbscheme

@@ -0,0 +1,3 @@
+description: Remove ktDataClasses relation
+compatibility: backwards
+ktDataClasses.rel: delete

java/downgrades/ecb42310286011ada450ff65b9b417509863549f/semmlecode.dbscheme

@@ -435,6 +435,10 @@ open class KotlinFileExtractor(
                     } else if (kind != ClassKind.CLASS && kind != ClassKind.OBJECT) {
                         logger.warnElement("Unrecognised class kind $kind", c)
                     }
+
+                    if (c.isData) {
+                        tw.writeKtDataClasses(classId)
+                    }
                 }
 
                 val locId = tw.getLocation(c)

java/downgrades/ecb42310286011ada450ff65b9b417509863549f/upgrade.properties

@@ -1234,3 +1234,7 @@ ktFunctionOriginalNames(
   unique int id: @method ref,
   string name: string ref
 )
+
+ktDataClasses(
+  unique int id: @class ref
+)