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Dart Sample project for proposal #15

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0d0fe43
ffigen: add basic C++ class method parser logging
Cairo09 Mar 25, 2026
4de2b27
Sample project
Cairo09 Mar 25, 2026
c95d4a4
Sample_project
Cairo09 Mar 25, 2026
7752df8
bettered format
Cairo09 Mar 29, 2026
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53 changes: 53 additions & 0 deletions pkgs/ffigen/lib/src/header_parser/sub_parsers/cxx_class_parser.dart
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Original file line number Diff line number Diff line change
@@ -0,0 +1,53 @@
// Copyright (c) 2020, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

import '../../context.dart';
import '../clang_bindings/clang_bindings.dart' as clang_types;
import '../utils.dart';

void parseClassDeclaration(
Context context,
clang_types.CXCursor classCursor,
) {
final logger = context.logger;
final className = classCursor.spelling();
if (className.isEmpty) {
return;
}

final methodDescriptions = <String>[];

classCursor.visitChildren((child) {
final kind = clang.clang_getCursorKind(child);
if (kind != clang_types.CXCursorKind.CXCursor_CXXMethod) {
return;
}

final methodName = child.spelling();
final returnType = clang.clang_getCursorResultType(child).spelling();
final argCount = clang.clang_Cursor_getNumArguments(child);
final args = <String>[];
for (var i = 0; i < argCount; i++) {
final arg = clang.clang_Cursor_getArgument(child, i);
final argType = arg.type().spelling();
final argName = arg.spelling();
args.add(argName.isEmpty ? argType : '$argType $argName');
}

final methodNumber = methodDescriptions.length + 1;
methodDescriptions.add(
'method $methodNumber: name=$methodName, return type=$returnType, '
'parameters=[${args.join(', ')}]',
);
});

if (methodDescriptions.isNotEmpty) {
logger.info(
'class name: $className has methods:\n'
' ${methodDescriptions.join('\n ')}',
);
} else {
logger.info('class name: $className has no CXX methods.');
}
}
4 changes: 4 additions & 0 deletions pkgs/ffigen/lib/src/header_parser/translation_unit_parser.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,7 @@
import '../code_generator.dart';
import '../context.dart';
import 'clang_bindings/clang_bindings.dart' as clang_types;
import 'sub_parsers/cxx_class_parser.dart';
import 'sub_parsers/functiondecl_parser.dart';
import 'sub_parsers/macro_parser.dart';
import 'sub_parsers/objccategorydecl_parser.dart';
Expand Down Expand Up @@ -32,6 +33,9 @@ Set<Binding> parseTranslationUnit(
case clang_types.CXCursorKind.CXCursor_FunctionDecl:
bindings.addAll(parseFunctionDeclaration(context, cursor));
break;
case clang_types.CXCursorKind.CXCursor_ClassDecl:
parseClassDeclaration(context, cursor);
break;
case clang_types.CXCursorKind.CXCursor_StructDecl:
case clang_types.CXCursorKind.CXCursor_UnionDecl:
case clang_types.CXCursorKind.CXCursor_EnumDecl:
Expand Down