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/*
* 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
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