Support attributes on namespaces

Author: virtuald

cxxheaderparser/parser.py

@@ -446,6 +446,11 @@ def _parse_namespace(
 
             while True:
                 names.append(tok.value)
+
+                atok = self.lex.token_if_in_set(self._attribute_start_tokens)
+                if atok:
+                    self._consume_attribute(atok)
+
                 tok = self._next_token_must_be("DBL_COLON", endtok)
                 if tok.type == endtok:
                     break

tests/test_namespaces.py

@@ -195,3 +195,14 @@ def test_ns_alias_global() -> None:
             ns_alias=[NamespaceAlias(alias="ANS", names=["::", "my", "ns"])]
         )
     )
+
+
+def test_ns_attr() -> None:
+    content = """
+      namespace n __attribute__((visibility("hidden"))) {}
+    """
+    data = parse_string(content, cleandoc=True)
+
+    assert data == ParsedData(
+        namespace=NamespaceScope(namespaces={"n": NamespaceScope(name="n")})
+    )