Home | History | Annotate | Download | only in jsc 
      1 /*
      2  * Copyright (C) 2003, 2006, 2008 Apple Inc. All rights reserved.
      3  * Copyright 2010, The Android Open Source Project
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions
      7  * are met:
      8  * 1. Redistributions of source code must retain the above copyright
      9  *    notice, this list of conditions and the following disclaimer.
     10  * 2. Redistributions in binary form must reproduce the above copyright
     11  *    notice, this list of conditions and the following disclaimer in the
     12  *    documentation and/or other materials provided with the distribution.
     13  *
     14  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
     15  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     17  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
     18  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     19  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     20  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     21  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
     22  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     24  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     25  */
     26 
     27 #include "config.h"
     28 #include "BridgeJSC.h"
     29 
     30 #include "runtime_object.h"
     31 #include "runtime_root.h"
     32 #include <runtime/JSLock.h>
     33 
     34 #if PLATFORM(QT)
     35 #include "qt_instance.h"
     36 #endif
     37 
     38 namespace JSC {
     39 
     40 namespace Bindings {
     41 
     42 Array::Array(PassRefPtr<RootObject> rootObject)
     43     : m_rootObject(rootObject)
     44 {
     45     ASSERT(m_rootObject);
     46 }
     47 
     48 Array::~Array()
     49 {
     50 }
     51 
     52 Instance::Instance(PassRefPtr<RootObject> rootObject)
     53     : m_rootObject(rootObject)
     54     , m_runtimeObject(0)
     55 {
     56     ASSERT(m_rootObject);
     57 }
     58 
     59 Instance::~Instance()
     60 {
     61     ASSERT(!m_runtimeObject);
     62 }
     63 
     64 static KJSDidExecuteFunctionPtr s_didExecuteFunction;
     65 
     66 void Instance::setDidExecuteFunction(KJSDidExecuteFunctionPtr func)
     67 {
     68     s_didExecuteFunction = func;
     69 }
     70 
     71 KJSDidExecuteFunctionPtr Instance::didExecuteFunction()
     72 {
     73     return s_didExecuteFunction;
     74 }
     75 
     76 void Instance::begin()
     77 {
     78     virtualBegin();
     79 }
     80 
     81 void Instance::end()
     82 {
     83     virtualEnd();
     84 }
     85 
     86 RuntimeObjectImp* Instance::createRuntimeObject(ExecState* exec)
     87 {
     88     ASSERT(m_rootObject);
     89     ASSERT(m_rootObject->isValid());
     90     if (m_runtimeObject)
     91         return m_runtimeObject;
     92     JSLock lock(SilenceAssertionsOnly);
     93     m_runtimeObject = newRuntimeObject(exec);
     94     m_rootObject->addRuntimeObject(m_runtimeObject);
     95     return m_runtimeObject;
     96 }
     97 
     98 RuntimeObjectImp* Instance::newRuntimeObject(ExecState* exec)
     99 {
    100     JSLock lock(SilenceAssertionsOnly);
    101     return new (exec)RuntimeObjectImp(exec, this);
    102 }
    103 
    104 void Instance::willDestroyRuntimeObject()
    105 {
    106     ASSERT(m_rootObject);
    107     ASSERT(m_rootObject->isValid());
    108     ASSERT(m_runtimeObject);
    109     m_rootObject->removeRuntimeObject(m_runtimeObject);
    110     m_runtimeObject = 0;
    111 }
    112 
    113 void Instance::willInvalidateRuntimeObject()
    114 {
    115     ASSERT(m_runtimeObject);
    116     m_runtimeObject = 0;
    117 }
    118 
    119 RootObject* Instance::rootObject() const
    120 {
    121     return m_rootObject && m_rootObject->isValid() ? m_rootObject.get() : 0;
    122 }
    123 
    124 } // namespace Bindings
    125 
    126 } // namespace JSC
    127