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// Copyright 2014 The Chromium Authors
// 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:
std::unique_ptr<ASTConsumer> CreateASTConsumer(CompilerInstance& instance,
llvm::StringRef ref) override {
return std::make_unique<BlinkGCPluginConsumer>(instance, options_);
}
PluginASTAction::ActionType getActionType() override {
return CmdlineBeforeMainAction;
}
bool ParseArgs(const CompilerInstance&,
const std::vector<std::string>& args) override {
for (const auto& arg : args) {
if (arg == "dump-graph") {
options_.dump_graph = true;
} else if (arg == "enable-persistent-in-unique-ptr-check") {
options_.enable_persistent_in_unique_ptr_check = true;
} else if (arg == "enable-members-on-stack-check") {
options_.enable_members_on_stack_check = true;
} else if (arg == "enable-extra-padding-check") {
options_.enable_extra_padding_check = true;
} else if (arg == "disable-off-heap-collections-of-gced-check") {
options_.enable_off_heap_collections_of_gced_check = false;
} else {
llvm::errs() << "Unknown blink-gc-plugin argument: " << arg << "\n";
return false;
}
}
return true;
}
private:
BlinkGCPluginOptions options_;
};
static FrontendPluginRegistry::Add<BlinkGCPluginAction> X(
"blink-gc-plugin",
"Check Blink GC invariants");
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