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/*
* Copyright (C) 2011 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 DFGOperations_h
#define DFGOperations_h
#if ENABLE(DFG_JIT)
#include <dfg/DFGJITCompiler.h>
namespace JSC { namespace DFG {
extern "C" {
// These typedefs provide typechecking when generating calls out to helper routines;
// this helps prevent calling a helper routine with the wrong arguments!
typedef EncodedJSValue (*J_DFGOperation_EJJ)(ExecState*, EncodedJSValue, EncodedJSValue);
typedef EncodedJSValue (*J_DFGOperation_EJ)(ExecState*, EncodedJSValue);
typedef EncodedJSValue (*J_DFGOperation_EJP)(ExecState*, EncodedJSValue, void*);
typedef EncodedJSValue (*J_DFGOperation_EJI)(ExecState*, EncodedJSValue, Identifier*);
typedef bool (*Z_DFGOperation_EJ)(ExecState*, EncodedJSValue);
typedef bool (*Z_DFGOperation_EJJ)(ExecState*, EncodedJSValue, EncodedJSValue);
typedef void (*V_DFGOperation_EJJJ)(ExecState*, EncodedJSValue, EncodedJSValue, EncodedJSValue);
typedef void (*V_DFGOperation_EJJP)(ExecState*, EncodedJSValue, EncodedJSValue, void*);
typedef void (*V_DFGOperation_EJJI)(ExecState*, EncodedJSValue, EncodedJSValue, Identifier*);
typedef double (*D_DFGOperation_DD)(double, double);
// These routines are provide callbacks out to C++ implementations of operations too complex to JIT.
EncodedJSValue operationConvertThis(ExecState*, EncodedJSValue encodedOp1);
EncodedJSValue operationValueAdd(ExecState*, EncodedJSValue encodedOp1, EncodedJSValue encodedOp2);
EncodedJSValue operationGetByVal(ExecState*, EncodedJSValue encodedBase, EncodedJSValue encodedProperty);
EncodedJSValue operationGetById(ExecState*, EncodedJSValue encodedBase, Identifier*);
EncodedJSValue operationGetByIdOptimize(ExecState*, EncodedJSValue encodedBase, Identifier*);
void operationPutByValStrict(ExecState*, EncodedJSValue encodedBase, EncodedJSValue encodedProperty, EncodedJSValue encodedValue);
void operationPutByValNonStrict(ExecState*, EncodedJSValue encodedBase, EncodedJSValue encodedProperty, EncodedJSValue encodedValue);
void operationPutByValBeyondArrayBounds(ExecState*, JSArray*, int32_t index, EncodedJSValue encodedValue);
void operationPutByIdStrict(ExecState*, EncodedJSValue encodedValue, EncodedJSValue encodedBase, Identifier*);
void operationPutByIdNonStrict(ExecState*, EncodedJSValue encodedValue, EncodedJSValue encodedBase, Identifier*);
void operationPutByIdDirectStrict(ExecState*, EncodedJSValue encodedValue, EncodedJSValue encodedBase, Identifier*);
void operationPutByIdDirectNonStrict(ExecState*, EncodedJSValue encodedValue, EncodedJSValue encodedBase, Identifier*);
bool operationCompareLess(ExecState*, EncodedJSValue encodedOp1, EncodedJSValue encodedOp2);
bool operationCompareLessEq(ExecState*, EncodedJSValue encodedOp1, EncodedJSValue encodedOp2);
bool operationCompareEq(ExecState*, EncodedJSValue encodedOp1, EncodedJSValue encodedOp2);
bool operationCompareStrictEq(ExecState*, EncodedJSValue encodedOp1, EncodedJSValue encodedOp2);
// This method is used to lookup an exception hander, keyed by faultLocation, which is
// the return location from one of the calls out to one of the helper operations above.
struct DFGHandler {
DFGHandler(ExecState* exec, void* handler)
: exec(exec)
, handler(handler)
{
}
ExecState* exec;
void* handler;
};
DFGHandler lookupExceptionHandler(ExecState*, ReturnAddressPtr faultLocation);
// These operations implement the implicitly called ToInt32, ToNumber, and ToBoolean conversions from ES5.
double dfgConvertJSValueToNumber(ExecState*, EncodedJSValue);
int32_t dfgConvertJSValueToInt32(ExecState*, EncodedJSValue);
bool dfgConvertJSValueToBoolean(ExecState*, EncodedJSValue);
} // extern "C"
} } // namespace JSC::DFG
#endif
#endif