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1 // Copyright 2013 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.
4 
5 #include "base/at_exit.h"
6 #include "base/bind.h"
7 #include "base/command_line.h"
8 #include "base/files/file_util.h"
9 #include "base/i18n/icu_util.h"
10 #include "base/message_loop/message_loop.h"
11 #include "gin/array_buffer.h"
12 #include "gin/modules/console.h"
13 #include "gin/modules/module_runner_delegate.h"
14 #include "gin/public/isolate_holder.h"
15 #include "gin/test/file_runner.h"
16 #include "gin/try_catch.h"
17 
18 namespace gin {
19 namespace {
20 
Load(const base::FilePath & path)21 std::string Load(const base::FilePath& path) {
22   std::string source;
23   if (!ReadFileToString(path, &source))
24     LOG(FATAL) << "Unable to read " << path.LossyDisplayName();
25   return source;
26 }
27 
Run(base::WeakPtr<Runner> runner,const base::FilePath & path)28 void Run(base::WeakPtr<Runner> runner, const base::FilePath& path) {
29   if (!runner)
30     return;
31   Runner::Scope scope(runner.get());
32   runner->Run(Load(path), path.AsUTF8Unsafe());
33 }
34 
GetModuleSearchPaths()35 std::vector<base::FilePath> GetModuleSearchPaths() {
36   std::vector<base::FilePath> module_base(1);
37   CHECK(base::GetCurrentDirectory(&module_base[0]));
38   return module_base;
39 }
40 
41 class GinShellRunnerDelegate : public ModuleRunnerDelegate {
42  public:
GinShellRunnerDelegate()43   GinShellRunnerDelegate() : ModuleRunnerDelegate(GetModuleSearchPaths()) {
44     AddBuiltinModule(Console::kModuleName, Console::GetModule);
45   }
46 
UnhandledException(ShellRunner * runner,TryCatch & try_catch)47   virtual void UnhandledException(ShellRunner* runner,
48                                   TryCatch& try_catch) OVERRIDE {
49     ModuleRunnerDelegate::UnhandledException(runner, try_catch);
50     LOG(ERROR) << try_catch.GetStackTrace();
51   }
52 
53  private:
54   DISALLOW_COPY_AND_ASSIGN(GinShellRunnerDelegate);
55 };
56 
57 }  // namespace
58 }  // namespace gin
59 
main(int argc,char ** argv)60 int main(int argc, char** argv) {
61   base::AtExitManager at_exit;
62   CommandLine::Init(argc, argv);
63   base::i18n::InitializeICU();
64 
65   gin::IsolateHolder::Initialize(gin::IsolateHolder::kStrictMode,
66                                  gin::ArrayBufferAllocator::SharedInstance());
67   gin::IsolateHolder instance;
68 
69   base::MessageLoop message_loop;
70 
71   gin::GinShellRunnerDelegate delegate;
72   gin::ShellRunner runner(&delegate, instance.isolate());
73 
74   {
75     gin::Runner::Scope scope(&runner);
76     v8::V8::SetCaptureStackTraceForUncaughtExceptions(true);
77   }
78 
79   CommandLine::StringVector args = CommandLine::ForCurrentProcess()->GetArgs();
80   for (CommandLine::StringVector::const_iterator it = args.begin();
81        it != args.end(); ++it) {
82     base::MessageLoop::current()->PostTask(FROM_HERE, base::Bind(
83         gin::Run, runner.GetWeakPtr(), base::FilePath(*it)));
84   }
85 
86   message_loop.RunUntilIdle();
87   return 0;
88 }
89