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.
4
5 #include "gin/shell_runner.h"
6
7 #include "gin/converter.h"
8 #include "gin/modules/module_registry.h"
9 #include "gin/per_context_data.h"
10 #include "gin/public/context_holder.h"
11 #include "gin/try_catch.h"
12
13 using v8::Context;
14 using v8::HandleScope;
15 using v8::Isolate;
16 using v8::Object;
17 using v8::ObjectTemplate;
18 using v8::Script;
19
20 namespace gin {
21
ShellRunnerDelegate()22 ShellRunnerDelegate::ShellRunnerDelegate() {
23 }
24
~ShellRunnerDelegate()25 ShellRunnerDelegate::~ShellRunnerDelegate() {
26 }
27
GetGlobalTemplate(ShellRunner * runner,v8::Isolate * isolate)28 v8::Handle<ObjectTemplate> ShellRunnerDelegate::GetGlobalTemplate(
29 ShellRunner* runner,
30 v8::Isolate* isolate) {
31 return v8::Handle<ObjectTemplate>();
32 }
33
DidCreateContext(ShellRunner * runner)34 void ShellRunnerDelegate::DidCreateContext(ShellRunner* runner) {
35 }
36
WillRunScript(ShellRunner * runner)37 void ShellRunnerDelegate::WillRunScript(ShellRunner* runner) {
38 }
39
DidRunScript(ShellRunner * runner)40 void ShellRunnerDelegate::DidRunScript(ShellRunner* runner) {
41 }
42
UnhandledException(ShellRunner * runner,TryCatch & try_catch)43 void ShellRunnerDelegate::UnhandledException(ShellRunner* runner,
44 TryCatch& try_catch) {
45 CHECK(false) << try_catch.GetStackTrace();
46 }
47
ShellRunner(ShellRunnerDelegate * delegate,Isolate * isolate)48 ShellRunner::ShellRunner(ShellRunnerDelegate* delegate, Isolate* isolate)
49 : delegate_(delegate) {
50 v8::Isolate::Scope isolate_scope(isolate);
51 HandleScope handle_scope(isolate);
52 v8::Handle<v8::Context> context =
53 Context::New(isolate, NULL, delegate_->GetGlobalTemplate(this, isolate));
54
55 context_holder_.reset(new ContextHolder(isolate));
56 context_holder_->SetContext(context);
57 PerContextData::From(context)->set_runner(this);
58
59 v8::Context::Scope scope(context);
60 delegate_->DidCreateContext(this);
61 }
62
~ShellRunner()63 ShellRunner::~ShellRunner() {
64 }
65
Run(const std::string & source,const std::string & resource_name)66 void ShellRunner::Run(const std::string& source,
67 const std::string& resource_name) {
68 TryCatch try_catch;
69 v8::Isolate* isolate = GetContextHolder()->isolate();
70 v8::Handle<Script> script = Script::Compile(
71 StringToV8(isolate, source), StringToV8(isolate, resource_name));
72 if (try_catch.HasCaught()) {
73 delegate_->UnhandledException(this, try_catch);
74 return;
75 }
76
77 Run(script);
78 }
79
Call(v8::Handle<v8::Function> function,v8::Handle<v8::Value> receiver,int argc,v8::Handle<v8::Value> argv[])80 v8::Handle<v8::Value> ShellRunner::Call(v8::Handle<v8::Function> function,
81 v8::Handle<v8::Value> receiver,
82 int argc,
83 v8::Handle<v8::Value> argv[]) {
84 TryCatch try_catch;
85 delegate_->WillRunScript(this);
86
87 v8::Handle<v8::Value> result = function->Call(receiver, argc, argv);
88
89 delegate_->DidRunScript(this);
90 if (try_catch.HasCaught())
91 delegate_->UnhandledException(this, try_catch);
92
93 return result;
94 }
95
GetContextHolder()96 ContextHolder* ShellRunner::GetContextHolder() {
97 return context_holder_.get();
98 }
99
Run(v8::Handle<Script> script)100 void ShellRunner::Run(v8::Handle<Script> script) {
101 TryCatch try_catch;
102 delegate_->WillRunScript(this);
103
104 script->Run();
105
106 delegate_->DidRunScript(this);
107 if (try_catch.HasCaught()) {
108 delegate_->UnhandledException(this, try_catch);
109 }
110 }
111
112 } // namespace gin
113