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/*
* Copyright (C) 2011, 2016 Apple 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 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 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.
*/
#pragma once
#include "JSFunction.h"
namespace JSC {
EncodedJSValue JSC_HOST_CALL boundThisNoArgsFunctionCall(ExecState*);
EncodedJSValue JSC_HOST_CALL boundFunctionCall(ExecState*);
EncodedJSValue JSC_HOST_CALL boundThisNoArgsFunctionConstruct(ExecState*);
EncodedJSValue JSC_HOST_CALL boundFunctionConstruct(ExecState*);
EncodedJSValue JSC_HOST_CALL isBoundFunction(ExecState*);
EncodedJSValue JSC_HOST_CALL hasInstanceBoundFunction(ExecState*);
class JSBoundFunction : public JSFunction {
public:
typedef JSFunction Base;
const static unsigned StructureFlags = ~ImplementsDefaultHasInstance & Base::StructureFlags;
static JSBoundFunction* create(VM&, ExecState*, JSGlobalObject*, JSObject* targetFunction, JSValue boundThis, JSArray* boundArgs, int, const String& name);
static bool customHasInstance(JSObject*, ExecState*, JSValue);
JSObject* targetFunction() { return m_targetFunction.get(); }
JSValue boundThis() { return m_boundThis.get(); }
JSArray* boundArgs() { return m_boundArgs.get(); }
static Structure* createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype)
{
ASSERT(globalObject);
return Structure::create(vm, globalObject, prototype, TypeInfo(JSFunctionType, StructureFlags), info());
}
static ptrdiff_t offsetOfTargetFunction() { return OBJECT_OFFSETOF(JSBoundFunction, m_targetFunction); }
static ptrdiff_t offsetOfBoundThis() { return OBJECT_OFFSETOF(JSBoundFunction, m_boundThis); }
DECLARE_INFO;
protected:
static void visitChildren(JSCell*, SlotVisitor&);
private:
JSBoundFunction(VM&, JSGlobalObject*, Structure*, JSObject* targetFunction, JSValue boundThis, JSArray* boundArgs);
void finishCreation(VM&, NativeExecutable*, int length);
WriteBarrier<JSObject> m_targetFunction;
WriteBarrier<Unknown> m_boundThis;
WriteBarrier<JSArray> m_boundArgs;
};
} // namespace JSC
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