| /* |
| * Copyright (C) 2010 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef V8BindingMacros_h |
| #define V8BindingMacros_h |
| |
| namespace blink { |
| |
| // Naming scheme: |
| // TO*_RETURNTYPE[_ARGTYPE]... |
| // ...using _DEFAULT instead of _ANY..._ANY when returing a default value. |
| |
| #define TONATIVE_EXCEPTION(type, var, value) \ |
| type var; \ |
| { \ |
| v8::TryCatch block; \ |
| var = (value); \ |
| if (UNLIKELY(block.HasCaught())) \ |
| return block.ReThrow(); \ |
| } |
| |
| #define TONATIVE_VOID_INTERNAL(var, value) \ |
| var = (value); \ |
| if (UNLIKELY(block.HasCaught())) \ |
| return; |
| |
| #define TONATIVE_VOID(type, var, value) \ |
| type var; \ |
| { \ |
| v8::TryCatch block; \ |
| V8RethrowTryCatchScope rethrow(block); \ |
| TONATIVE_VOID_INTERNAL(var, value); \ |
| } |
| |
| #define TONATIVE_DEFAULT(type, var, value, retVal) \ |
| type var; \ |
| { \ |
| v8::TryCatch block; \ |
| var = (value); \ |
| if (UNLIKELY(block.HasCaught())) { \ |
| block.ReThrow(); \ |
| return retVal; \ |
| } \ |
| } |
| |
| // We need to cancel the exception propergation when we return a rejected |
| // Promise. |
| #define TONATIVE_VOID_PROMISE_INTERNAL(var, value, info) \ |
| var = (value); \ |
| if (UNLIKELY(block.HasCaught())) { \ |
| v8SetReturnValue(info, ScriptPromise::rejectRaw(info.GetIsolate(), block.Exception())); \ |
| block.Reset(); \ |
| return; \ |
| } |
| |
| #define TONATIVE_VOID_PROMISE(type, var, value, info) \ |
| type var; \ |
| { \ |
| v8::TryCatch block; \ |
| TONATIVE_VOID_PROMISE_INTERNAL(var, value, info); \ |
| } |
| |
| |
| #define TONATIVE_VOID_EXCEPTIONSTATE_INTERNAL(var, value, exceptionState) \ |
| var = (value); \ |
| if (UNLIKELY(exceptionState.throwIfNeeded())) \ |
| return; \ |
| |
| #define TONATIVE_VOID_EXCEPTIONSTATE(type, var, value, exceptionState) \ |
| type var; \ |
| var = (value); \ |
| if (UNLIKELY(exceptionState.throwIfNeeded())) \ |
| return; |
| |
| #define TONATIVE_VOID_EXCEPTIONSTATE_ARGINTERNAL(value, exceptionState) \ |
| (value); \ |
| if (UNLIKELY(exceptionState.throwIfNeeded())) \ |
| return; |
| |
| #define TONATIVE_DEFAULT_EXCEPTIONSTATE(type, var, value, exceptionState, retVal) \ |
| type var = (value); \ |
| if (UNLIKELY(exceptionState.throwIfNeeded())) \ |
| return retVal; |
| |
| // We need to cancel the exception propergation when we return a rejected |
| // Promise. |
| #define TONATIVE_VOID_EXCEPTIONSTATE_PROMISE_INTERNAL(var, value, exceptionState, info, scriptState) \ |
| var = (value); \ |
| if (UNLIKELY(exceptionState.hadException())) { \ |
| v8SetReturnValue(info, exceptionState.reject(scriptState).v8Value()); \ |
| return; \ |
| } |
| |
| #define TONATIVE_VOID_EXCEPTIONSTATE_PROMISE(type, var, value, exceptionState, info, scriptState) \ |
| type var; \ |
| TONATIVE_VOID_EXCEPTIONSTATE_PROMISE_INTERNAL(var, value, exceptionState, info, scriptState); |
| |
| // type is an instance of class template V8StringResource<>, |
| // but Mode argument varies; using type (not Mode) for consistency |
| // with other macros and ease of code generation |
| #define TOSTRING_VOID(type, var, value) \ |
| type var(value); \ |
| if (UNLIKELY(!var.prepare())) \ |
| return; |
| |
| #define TOSTRING_VOID_INTERNAL(var, value) \ |
| var = (value); \ |
| if (UNLIKELY(!var.prepare())) \ |
| return; |
| |
| #define TOSTRING_VOID_EXCEPTIONSTATE(type, var, value, exceptionState) \ |
| type var(value); \ |
| if (UNLIKELY(!var.prepare(exceptionState))) \ |
| return; |
| |
| #define TOSTRING_DEFAULT(type, var, value, retVal) \ |
| type var(value); \ |
| if (UNLIKELY(!var.prepare())) \ |
| return retVal; |
| |
| // We need to cancel the exception propagation when we return a rejected |
| // Promise. |
| #define TOSTRING_VOID_EXCEPTIONSTATE_PROMISE_INTERNAL(var, value, exceptionState, info, scriptState) \ |
| var = (value); \ |
| if (UNLIKELY(!var.prepare(exceptionState))) { \ |
| v8SetReturnValue(info, exceptionState.reject(scriptState).v8Value()); \ |
| return; \ |
| } |
| |
| } // namespace blink |
| |
| #endif // V8BindingMacros_h |