e718576d4f
through the API. This allows us to verify state on entry through the API. In this change verification in the API entry is checking that the current thread holds the V8 lock when a HandleScope is instantiated if a v8::Locker has ever been used by the V8 instance. Review URL: http://codereview.chromium.org/18707 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@1140 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
76 lines
2.7 KiB
C++
76 lines
2.7 KiB
C++
// Copyright 2006-2008 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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//
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#ifndef V8_HANDLES_INL_H_
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#define V8_HANDLES_INL_H_
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#include "apiutils.h"
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#include "handles.h"
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#include "api.h"
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namespace v8 { namespace internal {
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template<class T>
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Handle<T>::Handle(T* obj) {
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ASSERT(!obj->IsFailure());
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location_ = reinterpret_cast<T**>(HandleScope::CreateHandle(obj));
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}
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template <class T>
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inline T* Handle<T>::operator*() const {
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ASSERT(location_ != NULL);
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ASSERT(reinterpret_cast<Address>(*location_) != kHandleZapValue);
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return *location_;
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}
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#ifdef DEBUG
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inline NoHandleAllocation::NoHandleAllocation() {
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v8::ImplementationUtilities::HandleScopeData* current =
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v8::ImplementationUtilities::CurrentHandleScope();
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extensions_ = current->extensions;
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// Shrink the current handle scope to make it impossible to do
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// handle allocations without an explicit handle scope.
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current->limit = current->next;
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current->extensions = -1;
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}
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inline NoHandleAllocation::~NoHandleAllocation() {
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// Restore state in current handle scope to re-enable handle
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// allocations.
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v8::ImplementationUtilities::CurrentHandleScope()->extensions = extensions_;
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}
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#endif
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} } // namespace v8::internal
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#endif // V8_HANDLES_INL_H_
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