Bisect clang

tools/clang/blink_gc_plugin/BlinkGCPlugin.cpp

Index: tools/clang/blink_gc_plugin/BlinkGCPlugin.cpp
diff --git a/tools/clang/blink_gc_plugin/BlinkGCPlugin.cpp b/tools/clang/blink_gc_plugin/BlinkGCPlugin.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..b8d0a44573f8204284f0be5518308dbb0bfd89b4
--- /dev/null
+++ b/tools/clang/blink_gc_plugin/BlinkGCPlugin.cpp
@@ -0,0 +1,60 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// This clang plugin checks various invariants of the Blink garbage
+// collection infrastructure.
+//
+// Errors are described at:
+// http://www.chromium.org/developers/blink-gc-plugin-errors
+
+#include "BlinkGCPluginConsumer.h"
+#include "BlinkGCPluginOptions.h"
+#include "Config.h"
+
+#include "clang/Frontend/CompilerInstance.h"
+#include "clang/Frontend/FrontendPluginRegistry.h"
+
+using namespace clang;
+
+class BlinkGCPluginAction : public PluginASTAction {
+ public:
+  BlinkGCPluginAction() {}
+
+ protected:
+  // Overridden from PluginASTAction:
+  virtual std::unique_ptr<ASTConsumer> CreateASTConsumer(
+      CompilerInstance& instance,
+      llvm::StringRef ref) {
+    return llvm::make_unique<BlinkGCPluginConsumer>(instance, options_);
+  }
+
+  virtual bool ParseArgs(const CompilerInstance& instance,
+                         const std::vector<std::string>& args) {
+    bool parsed = true;
+
+    for (size_t i = 0; i < args.size() && parsed; ++i) {
+      if (args[i] == "enable-oilpan") {
+        options_.enable_oilpan = true;
+      } else if (args[i] == "dump-graph") {
+        options_.dump_graph = true;
+      } else if (args[i] == "warn-raw-ptr") {
+        options_.warn_raw_ptr = true;
+      } else if (args[i] == "warn-unneeded-finalizer") {
+        options_.warn_unneeded_finalizer = true;
+      } else {
+        parsed = false;
+        llvm::errs() << "Unknown blink-gc-plugin argument: " << args[i] << "\n";
+      }
+    }
+
+    return parsed;
+  }
+
+ private:
+  BlinkGCPluginOptions options_;
+};
+
+static FrontendPluginRegistry::Add<BlinkGCPluginAction> X(
+    "blink-gc-plugin",
+    "Check Blink GC invariants");