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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef ScriptState_h | 5 #ifndef ScriptState_h |
6 #define ScriptState_h | 6 #define ScriptState_h |
7 | 7 |
8 #include <memory> | 8 #include <memory> |
9 | 9 |
10 #include "bindings/core/v8/ScopedPersistent.h" | 10 #include "bindings/core/v8/ScopedPersistent.h" |
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71 public: | 71 public: |
72 class Scope { | 72 class Scope { |
73 STACK_ALLOCATED(); | 73 STACK_ALLOCATED(); |
74 | 74 |
75 public: | 75 public: |
76 // You need to make sure that scriptState->context() is not empty before | 76 // You need to make sure that scriptState->context() is not empty before |
77 // creating a Scope. | 77 // creating a Scope. |
78 explicit Scope(ScriptState* script_state) | 78 explicit Scope(ScriptState* script_state) |
79 : handle_scope_(script_state->GetIsolate()), | 79 : handle_scope_(script_state->GetIsolate()), |
80 context_(script_state->GetContext()) { | 80 context_(script_state->GetContext()) { |
81 ASSERT(script_state->ContextIsValid()); | 81 DCHECK(script_state->ContextIsValid()); |
82 context_->Enter(); | 82 context_->Enter(); |
83 } | 83 } |
84 | 84 |
85 ~Scope() { context_->Exit(); } | 85 ~Scope() { context_->Exit(); } |
86 | 86 |
87 private: | 87 private: |
88 v8::HandleScope handle_scope_; | 88 v8::HandleScope handle_scope_; |
89 v8::Local<v8::Context> context_; | 89 v8::Local<v8::Context> context_; |
90 }; | 90 }; |
91 | 91 |
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116 const v8::PropertyCallbackInfo<v8::Value>& info) { | 116 const v8::PropertyCallbackInfo<v8::Value>& info) { |
117 return From(info.Holder()->CreationContext()); | 117 return From(info.Holder()->CreationContext()); |
118 } | 118 } |
119 | 119 |
120 static ScriptState* ForReceiverObject( | 120 static ScriptState* ForReceiverObject( |
121 const v8::PropertyCallbackInfo<void>& info) { | 121 const v8::PropertyCallbackInfo<void>& info) { |
122 return From(info.Holder()->CreationContext()); | 122 return From(info.Holder()->CreationContext()); |
123 } | 123 } |
124 | 124 |
125 static ScriptState* From(v8::Local<v8::Context> context) { | 125 static ScriptState* From(v8::Local<v8::Context> context) { |
126 ASSERT(!context.IsEmpty()); | 126 DCHECK(!context.IsEmpty()); |
127 ScriptState* script_state = | 127 ScriptState* script_state = |
128 static_cast<ScriptState*>(context->GetAlignedPointerFromEmbedderData( | 128 static_cast<ScriptState*>(context->GetAlignedPointerFromEmbedderData( |
129 kV8ContextPerContextDataIndex)); | 129 kV8ContextPerContextDataIndex)); |
130 // ScriptState::from() must not be called for a context that does not have | 130 // ScriptState::from() must not be called for a context that does not have |
131 // valid embedder data in the embedder field. | 131 // valid embedder data in the embedder field. |
132 SECURITY_CHECK(script_state); | 132 SECURITY_CHECK(script_state); |
133 SECURITY_CHECK(script_state->GetContext() == context); | 133 SECURITY_CHECK(script_state->GetContext() == context); |
134 return script_state; | 134 return script_state; |
135 } | 135 } |
136 | 136 |
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196 } | 196 } |
197 | 197 |
198 private: | 198 private: |
199 RefPtr<ScriptState> script_state_; | 199 RefPtr<ScriptState> script_state_; |
200 ScopedPersistent<v8::Context> context_; | 200 ScopedPersistent<v8::Context> context_; |
201 }; | 201 }; |
202 | 202 |
203 } // namespace blink | 203 } // namespace blink |
204 | 204 |
205 #endif // ScriptState_h | 205 #endif // ScriptState_h |
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