binding: Makes ExceptionState STACK_ALLOCATED().

third_party/WebKit/Source/bindings/core/v8/Dictionary.cpp

 /*
  * 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  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.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS 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 APPLE OR ITS 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 "bindings/core/v8/Dictionary.h"
 
 #include "bindings/core/v8/ArrayValue.h"
 #include "bindings/core/v8/ExceptionMessages.h"
-#include "bindings/core/v8/ExceptionState.h"
 #include "bindings/core/v8/ScriptController.h"
 #include "bindings/core/v8/V8ArrayBufferView.h"
 #include "bindings/core/v8/V8Binding.h"
 #include "bindings/core/v8/V8DOMError.h"
 #include "bindings/core/v8/V8Element.h"
 #include "bindings/core/v8/V8EventTarget.h"
 #include "bindings/core/v8/V8MessagePort.h"
 #include "bindings/core/v8/V8TextTrack.h"
 #include "bindings/core/v8/V8VoidCallback.h"
 #include "bindings/core/v8/V8Window.h"
 #include "core/html/track/TrackBase.h"
 #include "wtf/MathExtras.h"
 
 namespace blink {
 
-static ExceptionState& emptyExceptionState()
-{
-    DEFINE_THREAD_SAFE_STATIC_LOCAL(WTF::ThreadSpecific<NonThrowableExceptionState>, exceptionState, new ThreadSpecific<NonThrowableExceptionState>);
-    return *exceptionState;
-}
-
-Dictionary::Dictionary()
-    : m_isolate(0)
-    , m_exceptionState(&emptyExceptionState())
-{
-}
-
-Dictionary::Dictionary(const v8::Local<v8::Value>& options, v8::Isolate* isolate, ExceptionState& exceptionState)
-    : m_options(options)
-    , m_isolate(isolate)
-    , m_exceptionState(&exceptionState)
-{
-    ASSERT(m_isolate);
-    ASSERT(m_exceptionState);
-#if ENABLE(ASSERT)
-    m_exceptionState->getOnStackObjectChecker().add(this);
-#endif
-}
-
-Dictionary::~Dictionary()
-{
-#if ENABLE(ASSERT)
-    if (m_exceptionState)
-        m_exceptionState->getOnStackObjectChecker().remove(this);
-#endif
-}
-
 Dictionary& Dictionary::operator=(const Dictionary& optionsObject)
 {
     m_options = optionsObject.m_options;
     m_isolate = optionsObject.m_isolate;
-#if ENABLE(ASSERT)
-    if (m_exceptionState)
-        m_exceptionState->getOnStackObjectChecker().remove(this);
-#endif
-    m_exceptionState = optionsObject.m_exceptionState;
-#if ENABLE(ASSERT)
-    if (m_exceptionState)
-        m_exceptionState->getOnStackObjectChecker().add(this);
-#endif
     return *this;
 }
 
 bool Dictionary::isObject() const
 {
     return !isUndefinedOrNull() && m_options->IsObject();
 }
 
 bool Dictionary::isUndefinedOrNull() const
 {
     if (m_options.IsEmpty())
         return true;
     return blink::isUndefinedOrNull(m_options);
 }
 
 bool Dictionary::hasProperty(const String& key) const
 {
     v8::Local<v8::Object> object;
     if (!toObject(object))
         return false;
 
-    ASSERT(m_isolate);
-    ASSERT(m_isolate == v8::Isolate::GetCurrent());
-    ASSERT(m_exceptionState);
+    DCHECK(m_isolate);
+    DCHECK_EQ(m_isolate, v8::Isolate::GetCurrent());
     v8::Local<v8::String> v8Key = v8String(m_isolate, key);
     return v8CallBoolean(object->Has(v8Context(), v8Key));
 }
 
 bool Dictionary::getKey(const String& key, v8::Local<v8::Value>& value) const
 {
     if (!m_isolate)
         return false;
 
     return getInternal(v8String(m_isolate, key), value);
@@ skipping 20 matching lines @@
 
 bool Dictionary::get(const String& key, Dictionary& value) const
 {
     v8::Local<v8::Value> v8Value;
     if (!getKey(key, v8Value))
         return false;
 
     if (v8Value->IsObject()) {
         ASSERT(m_isolate);
         ASSERT(m_isolate == v8::Isolate::GetCurrent());
-        value = Dictionary(v8Value, m_isolate, *m_exceptionState);
+        value = Dictionary(m_isolate, v8Value);
     }
 
     return true;
 }
 
 bool Dictionary::getInternal(const v8::Local<v8::Value>& key, v8::Local<v8::Value>& result) const
 {
     v8::Local<v8::Object> object;
     if (!toObject(object))
         return false;
 
-    ASSERT(m_isolate);
-    ASSERT(m_isolate == v8::Isolate::GetCurrent());
-    ASSERT(m_exceptionState);
+    DCHECK(m_isolate);
+    DCHECK_EQ(m_isolate, v8::Isolate::GetCurrent());
     if (!v8CallBoolean(object->Has(v8Context(), key)))
         return false;
     return object->Get(v8Context(), key).ToLocal(&result);
 }
 
 static inline bool propertyKey(v8::Local<v8::Context> v8Context, v8::Local<v8::Array> properties, uint32_t index, v8::Local<v8::String>& key)
 {
     v8::Local<v8::Value> property;
     if (!properties->Get(v8Context, index).ToLocal(&property))
         return false;
@@ skipping 49 matching lines @@
 
     return true;
 }
 
 bool Dictionary::toObject(v8::Local<v8::Object>& object) const
 {
     return !isUndefinedOrNull() && m_options->ToObject(v8Context()).ToLocal(&object);
 }
 
 } // namespace blink