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// Copyright 2009 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#ifndef V8_APIUTILS_H_
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#define V8_APIUTILS_H_
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namespace v8 {
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class ImplementationUtilities {
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public:
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static int GetNameCount(ExtensionConfiguration* that) {
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return that->name_count_;
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}
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static const char** GetNames(ExtensionConfiguration* that) {
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return that->names_;
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}
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// Packs additional parameters for the NewArguments function. |implicit_args|
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// is a pointer to the last element of 3-elements array controlled by GC.
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static void PrepareArgumentsData(internal::Object** implicit_args,
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internal::Object* data,
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internal::JSFunction* callee,
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internal::Object* holder) {
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implicit_args[v8::Arguments::kDataIndex] = data;
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implicit_args[v8::Arguments::kCalleeIndex] = callee;
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implicit_args[v8::Arguments::kHolderIndex] = holder;
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}
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static v8::Arguments NewArguments(internal::Object** implicit_args,
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internal::Object** argv, int argc,
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bool is_construct_call) {
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ASSERT(implicit_args[v8::Arguments::kCalleeIndex]->IsJSFunction());
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ASSERT(implicit_args[v8::Arguments::kHolderIndex]->IsHeapObject());
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return v8::Arguments(implicit_args, argv, argc, is_construct_call);
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}
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// Introduce an alias for the handle scope data to allow non-friends
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// to access the HandleScope data.
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typedef v8::HandleScope::Data HandleScopeData;
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#ifdef DEBUG
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static void ZapHandleRange(internal::Object** begin, internal::Object** end);
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#endif
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};
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} // namespace v8
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#endif // V8_APIUTILS_H_
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