/* * Copyright (C) 2009 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. */ #include "config.h" #include "V8HiddenPropertyName.h" #include "V8Binding.h" #include <string.h> #include <wtf/StdLibExtras.h> #include <wtf/Vector.h> namespace WebCore { #define V8_AS_STRING(x) V8_AS_STRING_IMPL(x) #define V8_AS_STRING_IMPL(x) #x #define V8_HIDDEN_PROPERTY_PREFIX "WebCore::HiddenProperty::" #define V8_DEFINE_HIDDEN_PROPERTY(name) \ v8::Handle<v8::String> V8HiddenPropertyName::name() \ { \ V8HiddenPropertyName* hiddenPropertyName = V8BindingPerIsolateData::current()->hiddenPropertyName(); \ if (hiddenPropertyName->m_##name.IsEmpty()) { \ hiddenPropertyName->m_##name = createString(V8_HIDDEN_PROPERTY_PREFIX V8_AS_STRING(name)); \ } \ return hiddenPropertyName->m_##name; \ } V8_HIDDEN_PROPERTIES(V8_DEFINE_HIDDEN_PROPERTY); v8::Handle<v8::String> V8HiddenPropertyName::hiddenReferenceName(const char* name) { Vector<char, 64> prefixedName; prefixedName.append(V8_HIDDEN_PROPERTY_PREFIX, sizeof(V8_HIDDEN_PROPERTY_PREFIX) - 1); ASSERT(name && strlen(name)); prefixedName.append(name, strlen(name)); return v8::String::NewSymbol(prefixedName.data(), static_cast<int>(prefixedName.size())); } v8::Persistent<v8::String> V8HiddenPropertyName::createString(const char* key) { v8::HandleScope scope; return v8::Persistent<v8::String>::New(v8::String::NewSymbol(key)); } } // namespace WebCore