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/*
* Copyright (C) 2013-2022 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.
*/
#ifndef ObjCCallbackFunction_h
#define ObjCCallbackFunction_h
#include <JavaScriptCore/JSBase.h>
#if JSC_OBJC_API_ENABLED
#import <JavaScriptCore/JSCallbackFunction.h>
#if defined(__OBJC__)
@class JSContext;
JSObjectRef objCCallbackFunctionForMethod(JSContext *, Class, Protocol *, BOOL isInstanceMethod, SEL, const char* types);
JSObjectRef objCCallbackFunctionForBlock(JSContext *, id);
JSObjectRef objCCallbackFunctionForInit(JSContext *, Class, Protocol *, SEL, const char* types);
id tryUnwrapConstructor(JSObjectRef);
#endif
namespace JSC {
class ObjCCallbackFunctionImpl;
#define OBJC_CALLBACK_FUNCTION_METHOD(method) \
WTF_VTBL_FUNCPTR_PTRAUTH_STR("ObjCCallbackFunction." #method) method
class ObjCCallbackFunction : public InternalFunction {
friend struct APICallbackFunction;
public:
typedef InternalFunction Base;
template<typename CellType, SubspaceAccess mode>
static GCClient::IsoSubspace* subspaceFor(VM& vm)
{
return vm.objCCallbackFunctionSpace<mode>();
}
static ObjCCallbackFunction* create(VM&, JSGlobalObject*, const String& name, std::unique_ptr<ObjCCallbackFunctionImpl>);
static constexpr bool needsDestruction = true;
static void destroy(JSCell*);
static Structure* createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype)
{
ASSERT(globalObject);
return Structure::create(vm, globalObject, prototype, TypeInfo(InternalFunctionType, StructureFlags), info());
}
DECLARE_EXPORT_INFO;
ObjCCallbackFunctionImpl* impl() const { return m_impl.get(); }
protected:
ObjCCallbackFunction(VM&, Structure*, JSObjectCallAsFunctionCallback, JSObjectCallAsConstructorCallback, std::unique_ptr<ObjCCallbackFunctionImpl>);
private:
JSObjectCallAsFunctionCallback functionCallback() { return m_functionCallback; }
JSObjectCallAsConstructorCallback constructCallback() { return m_constructCallback; }
JSObjectCallAsFunctionCallback OBJC_CALLBACK_FUNCTION_METHOD(m_functionCallback);
JSObjectCallAsConstructorCallback OBJC_CALLBACK_FUNCTION_METHOD(m_constructCallback);
std::unique_ptr<ObjCCallbackFunctionImpl> m_impl;
};
#undef OBJC_CALLBACK_FUNCTION_METHOD
} // namespace JSC
#endif
#endif // ObjCCallbackFunction_h
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