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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 {
// 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_DEFAULT(type, var, value, retVal) \
type var(value); \
if (UNLIKELY(!var.prepare())) \
return retVal;
// Checks for a given v8::Value (value) whether it is an ArrayBufferView and
// below a certain size limit. If below the limit, memory is allocated on the
// stack to hold the actual payload. Keep the limit in sync with V8's
// typed_array_max_size.
#define allocateFlexibleArrayBufferViewStorage(value) \
(value->IsArrayBufferView() && \
(value.As<v8::ArrayBufferView>()->ByteLength() <= 64) \
? alloca(value.As<v8::ArrayBufferView>()->ByteLength()) \
: nullptr)
// DEPRECATED: These v8Call macros are deprecated.
// Use To/ToLocal/ToChecked/ToLocalChecked instead.
// TODO(haraken): Remove these macros.
template <typename T>
inline bool v8Call(v8::Maybe<T> maybe, T& outVariable) {
if (maybe.IsNothing())
return false;
outVariable = maybe.FromJust();
return true;
}
// DEPRECATED
inline bool v8CallBoolean(v8::Maybe<bool> maybe) {
bool result;
return v8Call(maybe, result) && result;
}
// DEPRECATED
template <typename T>
inline bool v8Call(v8::Maybe<T> maybe, T& outVariable, v8::TryCatch& tryCatch) {
bool success = v8Call(maybe, outVariable);
ASSERT(success || tryCatch.HasCaught());
return success;
}
// DEPRECATED
template <typename T>
inline bool v8Call(v8::MaybeLocal<T> maybeLocal, v8::Local<T>& outVariable) {
return maybeLocal.ToLocal(&outVariable);
}
// DEPRECATED
template <typename T>
inline bool v8Call(v8::MaybeLocal<T> maybeLocal,
v8::Local<T>& outVariable,
v8::TryCatch& tryCatch) {
bool success = maybeLocal.ToLocal(&outVariable);
ASSERT(success || tryCatch.HasCaught());
return success;
}
} // namespace blink
#endif // V8BindingMacros_h