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