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1 // Copyright 2016 The Chromium Authors. All rights reserved. | 1 // Copyright 2016 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 // This file is for functions that are used only by generated code. | 5 // This file is for functions that are used only by generated code. |
6 // CAUTION: | 6 // CAUTION: |
7 // All functions defined in this file should be used by generated code only. | 7 // All functions defined in this file should be used by generated code only. |
8 // If you want to use them from hand-written code, please find appropriate | 8 // If you want to use them from hand-written code, please find appropriate |
9 // location and move them to that location. | 9 // location and move them to that location. |
10 | 10 |
11 #ifndef GeneratedCodeHelper_h | 11 #ifndef GeneratedCodeHelper_h |
12 #define GeneratedCodeHelper_h | 12 #define GeneratedCodeHelper_h |
13 | 13 |
| 14 #include "bindings/core/v8/ExceptionState.h" |
| 15 #include "bindings/core/v8/V8Binding.h" |
14 #include "core/CoreExport.h" | 16 #include "core/CoreExport.h" |
15 #include "wtf/PassRefPtr.h" | 17 #include "wtf/PassRefPtr.h" |
16 #include <v8.h> | 18 #include <v8.h> |
17 | 19 |
18 namespace blink { | 20 namespace blink { |
19 | 21 |
| 22 class ScriptState; |
20 class SerializedScriptValue; | 23 class SerializedScriptValue; |
21 | 24 |
22 CORE_EXPORT void v8ConstructorAttributeGetter(v8::Local<v8::Name> propertyName,
const v8::PropertyCallbackInfo<v8::Value>&); | 25 CORE_EXPORT void v8ConstructorAttributeGetter(v8::Local<v8::Name> propertyName,
const v8::PropertyCallbackInfo<v8::Value>&); |
23 | 26 |
24 CORE_EXPORT v8::Local<v8::Value> v8Deserialize(v8::Isolate*, PassRefPtr<Serializ
edScriptValue>); | 27 CORE_EXPORT v8::Local<v8::Value> v8Deserialize(v8::Isolate*, PassRefPtr<Serializ
edScriptValue>); |
25 | 28 |
| 29 // ExceptionToRejectPromiseScope converts a possible exception to a reject |
| 30 // promise and returns the promise instead of throwing the exception. |
| 31 // |
| 32 // Promise-returning DOM operations are required to always return a promise |
| 33 // and to never throw an exception. |
| 34 // See also http://heycam.github.io/webidl/#es-operations |
| 35 class CORE_EXPORT ExceptionToRejectPromiseScope { |
| 36 STACK_ALLOCATED(); |
| 37 public: |
| 38 ExceptionToRejectPromiseScope(const v8::FunctionCallbackInfo<v8::Value>& inf
o, ScriptState* scriptState, ExceptionState& exceptionState) |
| 39 : m_info(info) |
| 40 , m_scriptState(scriptState) |
| 41 , m_exceptionState(exceptionState) { } |
| 42 ~ExceptionToRejectPromiseScope() |
| 43 { |
| 44 if (!m_exceptionState.hadException()) |
| 45 return; |
| 46 |
| 47 v8SetReturnValue(m_info, m_exceptionState.reject(m_scriptState).v8Value(
)); |
| 48 } |
| 49 |
| 50 private: |
| 51 const v8::FunctionCallbackInfo<v8::Value>& m_info; |
| 52 ScriptState* m_scriptState; |
| 53 ExceptionState& m_exceptionState; |
| 54 }; |
| 55 |
26 } // namespace blink | 56 } // namespace blink |
27 | 57 |
28 #endif // GeneratedCodeHelper_h | 58 #endif // GeneratedCodeHelper_h |
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