1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 // This clang plugin checks various invariants of the Blink garbage
6 // collection infrastructure.
8 // Checks that are implemented:
13 #include "clang/AST/AST.h"
14 #include "clang/AST/ASTConsumer.h"
15 #include "clang/Frontend/CompilerInstance.h"
16 #include "clang/Frontend/FrontendPluginRegistry.h"
18 using namespace clang;
23 struct BlinkGCPluginOptions {
24 BlinkGCPluginOptions() {
28 // Main class containing checks for various invariants of the Blink
29 // garbage collection infrastructure.
30 class BlinkGCPluginConsumer : public ASTConsumer {
32 BlinkGCPluginConsumer(CompilerInstance& instance,
33 const BlinkGCPluginOptions& options) {
36 virtual void HandleTranslationUnit(ASTContext& context) {
37 // FIXME: implement consistency checks.
42 class BlinkGCPluginAction : public PluginASTAction {
44 BlinkGCPluginAction() {
48 // Overridden from PluginASTAction:
49 virtual ASTConsumer* CreateASTConsumer(CompilerInstance& instance,
50 llvm::StringRef ref) {
51 return new BlinkGCPluginConsumer(instance, options_);
54 virtual bool ParseArgs(const CompilerInstance& instance,
55 const std::vector<string>& args) {
58 for (size_t i = 0; i < args.size() && parsed; ++i) {
59 if (args[i] == "enable-oilpan") {
60 // TODO: Remove this once all transition types are eliminated.
61 Config::set_oilpan_enabled(true);
64 llvm::errs() << "Unknown blink-gc-plugin argument: " << args[i] << "\n";
72 BlinkGCPluginOptions options_;
77 bool Config::oilpan_enabled_ = false;
79 static FrontendPluginRegistry::Add<BlinkGCPluginAction>
80 X("blink-gc-plugin", "Check Blink GC invariants");