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/*
* Copyright (C) 2006 Apple Computer, 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 COMPUTER, INC. ``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 COMPUTER, INC. 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.
*/
#ifndef APICast_h
#define APICast_h
#include "JSAPIValueWrapper.h"
#include "JSGlobalObject.h"
#include "JSValue.h"
#include <wtf/Platform.h>
#include <wtf/UnusedParam.h>
namespace JSC {
class ExecState;
class PropertyNameArray;
class JSGlobalData;
class JSObject;
class JSValue;
}
typedef const struct OpaqueJSContextGroup* JSContextGroupRef;
typedef const struct OpaqueJSContext* JSContextRef;
typedef struct OpaqueJSContext* JSGlobalContextRef;
typedef struct OpaqueJSPropertyNameAccumulator* JSPropertyNameAccumulatorRef;
typedef const struct OpaqueJSValue* JSValueRef;
typedef struct OpaqueJSValue* JSObjectRef;
/* Opaque typing convenience methods */
inline JSC::ExecState* toJS(JSContextRef c)
{
ASSERT(c);
return reinterpret_cast<JSC::ExecState*>(const_cast<OpaqueJSContext*>(c));
}
inline JSC::ExecState* toJS(JSGlobalContextRef c)
{
ASSERT(c);
return reinterpret_cast<JSC::ExecState*>(c);
}
inline JSC::JSValue toJS(JSC::ExecState* exec, JSValueRef v)
{
ASSERT_UNUSED(exec, exec);
ASSERT(v);
#if USE(JSVALUE32_64)
JSC::JSCell* jsCell = reinterpret_cast<JSC::JSCell*>(const_cast<OpaqueJSValue*>(v));
if (!jsCell)
return JSC::JSValue();
if (jsCell->isAPIValueWrapper())
return static_cast<JSC::JSAPIValueWrapper*>(jsCell)->value();
return jsCell;
#else
return JSC::JSValue::decode(reinterpret_cast<JSC::EncodedJSValue>(const_cast<OpaqueJSValue*>(v)));
#endif
}
inline JSC::JSValue toJSForGC(JSC::ExecState* exec, JSValueRef v)
{
ASSERT_UNUSED(exec, exec);
ASSERT(v);
#if USE(JSVALUE32_64)
JSC::JSCell* jsCell = reinterpret_cast<JSC::JSCell*>(const_cast<OpaqueJSValue*>(v));
if (!jsCell)
return JSC::JSValue();
return jsCell;
#else
return JSC::JSValue::decode(reinterpret_cast<JSC::EncodedJSValue>(const_cast<OpaqueJSValue*>(v)));
#endif
}
inline JSC::JSObject* toJS(JSObjectRef o)
{
return reinterpret_cast<JSC::JSObject*>(o);
}
inline JSC::PropertyNameArray* toJS(JSPropertyNameAccumulatorRef a)
{
return reinterpret_cast<JSC::PropertyNameArray*>(a);
}
inline JSC::JSGlobalData* toJS(JSContextGroupRef g)
{
return reinterpret_cast<JSC::JSGlobalData*>(const_cast<OpaqueJSContextGroup*>(g));
}
inline JSValueRef toRef(JSC::ExecState* exec, JSC::JSValue v)
{
#if USE(JSVALUE32_64)
if (!v)
return 0;
if (!v.isCell())
return reinterpret_cast<JSValueRef>(asCell(JSC::jsAPIValueWrapper(exec, v)));
return reinterpret_cast<JSValueRef>(asCell(v));
#else
UNUSED_PARAM(exec);
return reinterpret_cast<JSValueRef>(JSC::JSValue::encode(v));
#endif
}
inline JSObjectRef toRef(JSC::JSObject* o)
{
return reinterpret_cast<JSObjectRef>(o);
}
inline JSObjectRef toRef(const JSC::JSObject* o)
{
return reinterpret_cast<JSObjectRef>(const_cast<JSC::JSObject*>(o));
}
inline JSContextRef toRef(JSC::ExecState* e)
{
return reinterpret_cast<JSContextRef>(e);
}
inline JSGlobalContextRef toGlobalRef(JSC::ExecState* e)
{
ASSERT(e == e->lexicalGlobalObject()->globalExec());
return reinterpret_cast<JSGlobalContextRef>(e);
}
inline JSPropertyNameAccumulatorRef toRef(JSC::PropertyNameArray* l)
{
return reinterpret_cast<JSPropertyNameAccumulatorRef>(l);
}
inline JSContextGroupRef toRef(JSC::JSGlobalData* g)
{
return reinterpret_cast<JSContextGroupRef>(g);
}
#endif // APICast_h
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