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// Copyright 2013 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.
#include "base/at_exit.h"
#include "base/bind.h"
#include "base/command_line.h"
#include "base/files/file_util.h"
#include "base/i18n/icu_util.h"
#include "base/message_loop/message_loop.h"
#include "gin/array_buffer.h"
#include "gin/modules/console.h"
#include "gin/modules/module_runner_delegate.h"
#include "gin/public/isolate_holder.h"
#include "gin/try_catch.h"
#include "gin/v8_initializer.h"
namespace gin {
namespace {
std::string Load(const base::FilePath& path) {
std::string source;
if (!ReadFileToString(path, &source))
LOG(FATAL) << "Unable to read " << path.LossyDisplayName();
return source;
}
void Run(base::WeakPtr<Runner> runner, const base::FilePath& path) {
if (!runner)
return;
Runner::Scope scope(runner.get());
runner->Run(Load(path), path.AsUTF8Unsafe());
}
std::vector<base::FilePath> GetModuleSearchPaths() {
std::vector<base::FilePath> module_base(1);
CHECK(base::GetCurrentDirectory(&module_base[0]));
return module_base;
}
class GinShellRunnerDelegate : public ModuleRunnerDelegate {
public:
GinShellRunnerDelegate() : ModuleRunnerDelegate(GetModuleSearchPaths()) {
AddBuiltinModule(Console::kModuleName, Console::GetModule);
}
void UnhandledException(ShellRunner* runner, TryCatch& try_catch) override {
ModuleRunnerDelegate::UnhandledException(runner, try_catch);
LOG(ERROR) << try_catch.GetStackTrace();
}
private:
DISALLOW_COPY_AND_ASSIGN(GinShellRunnerDelegate);
};
} // namespace
} // namespace gin
int main(int argc, char** argv) {
base::AtExitManager at_exit;
base::CommandLine::Init(argc, argv);
base::i18n::InitializeICU();
#ifdef V8_USE_EXTERNAL_STARTUP_DATA
gin::V8Initializer::LoadV8Snapshot();
#endif
base::MessageLoop message_loop;
gin::IsolateHolder::Initialize(gin::IsolateHolder::kStrictMode,
gin::ArrayBufferAllocator::SharedInstance());
gin::IsolateHolder instance;
gin::GinShellRunnerDelegate delegate;
gin::ShellRunner runner(&delegate, instance.isolate());
{
gin::Runner::Scope scope(&runner);
runner.GetContextHolder()
->isolate()
->SetCaptureStackTraceForUncaughtExceptions(true);
}
base::CommandLine::StringVector args =
base::CommandLine::ForCurrentProcess()->GetArgs();
for (base::CommandLine::StringVector::const_iterator it = args.begin();
it != args.end(); ++it) {
base::MessageLoop::current()->PostTask(FROM_HERE, base::Bind(
gin::Run, runner.GetWeakPtr(), base::FilePath(*it)));
}
message_loop.RunUntilIdle();
return 0;
}
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