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ark_js_runtime/ecmascript/compiler/slowpath_lowering.h
T
xujie 6430e8f31e TSAOT Exception Handler 
1. Throw JS exception in tsaot
2. Print bcoffset when occur JS exception

issue: https://gitee.com/openharmony/ark_js_runtime/issues/I5AMHL

Signed-off-by: xujie <xujie101@huawei.com>
Change-Id: I046d76c092a399354ddcdedd859f0c1e622387c2
2022-06-11 16:36:16 +08:00

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17 KiB
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/*
* Copyright (c) 2021 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ECMASCRIPT_COMPILER_GENERIC_LOWERING_H
#define ECMASCRIPT_COMPILER_GENERIC_LOWERING_H
#include "circuit.h"
#include "bytecode_circuit_builder.h"
#include "circuit_builder.h"
#include "circuit_builder-inl.h"
#include "gate_accessor.h"
namespace panda::ecmascript::kungfu {
// slowPath Lowering Process
// SW: state wire, DW: depend wire, VW: value wire
// Before lowering:
// SW DW VW
// | | |
// | | |
// v v v
// +-----------------------------+
// | (HIR) |
// | JS_BYTECODE |DW--------------------------------------
// | | |
// +-----------------------------+ |
// SW SW |
// | | |
// | | |
// | | |
// v v |
// +--------------+ +--------------+ |
// | IF_SUCCESS | | IF_EXCEPTION |SW--------- |
// +--------------+ +--------------+ | |
// SW SW | |
// | | | |
// v v | |
// --------------------------------------------------------------|-----------------------|-------------------
// catch processing | |
// | |
// v V
// +--------------+ +-----------------+
// | MERGE |SW---->| DEPEND_SELECTOR |
// +--------------+ +-----------------+
// DW
// |
// v
// +-----------------+
// | GET_EXCEPTION |
// +-----------------+
// After lowering:
// SW DW VW
// | | |
// | | |
// | v v
// | +---------------------+ +------------------+
// | | CONSTANT(Exception) | | CALL |DW---------------
// | +---------------------+ +------------------+ |
// | VW VW |
// | | | |
// | | | |
// | v v |
// | +------------------+ |
// | | EQ | |
// | +------------------+ |
// | VW |
// | | |
// | | |
// | v |
// | +------------------+ |
// ------------------------>| IF_BRANCH | |
// +------------------+ |
// SW SW |
// | | |
// v v |
// +--------------+ +--------------+ |
// | IF_FALSE | | IF_TRUE | |
// | (success) | | (exception) | |
// +--------------+ +--------------+ |
// SW SW SW |
// | | | |
// v v | |
// ---------------------------------------------------|-----------------------------|----------------------
// catch processing | |
// | |
// v v
// +--------------+ +-----------------+
// | MERGE |SW---------->| DEPEND_SELECTOR |
// +--------------+ +-----------------+
// DW
// |
// v
// +-----------------+
// | GET_EXCEPTION |
// +-----------------+
class SlowPathLowering {
public:
SlowPathLowering(BytecodeCircuitBuilder *bcBuilder, Circuit *circuit, CompilationConfig *cmpCfg,
bool enableLog)
: bcBuilder_(bcBuilder), circuit_(circuit), acc_(circuit), builder_(circuit, cmpCfg),
dependEntry_(Circuit::GetCircuitRoot(OpCode(OpCode::DEPEND_ENTRY))), enableLog_(enableLog) {}
~SlowPathLowering() = default;
void CallRuntimeLowering();
bool IsLogEnabled() const
{
return enableLog_;
}
private:
void ReplaceHirControlGate(GateAccessor::UsesIterator &useIt, GateRef newGate, bool noThrow = false);
void ReplaceHirToSubCfg(GateRef hir, GateRef outir,
const std::vector<GateRef> &successControl,
const std::vector<GateRef> &exceptionControl,
bool noThrow = false);
void ReplaceHirToCall(GateRef hirGate, GateRef callGate, bool noThrow = false);
void ReplaceHirToThrowCall(GateRef hirGate, GateRef callGate);
void LowerExceptionHandler(GateRef hirGate);
// environment must be initialized
GateRef GetConstPool(GateRef jsFunc);
// environment must be initialized
GateRef GetCurrentEnv(GateRef jsFunc);
// environment must be initialized
GateRef GetObjectFromConstPool(GateRef jsFunc, GateRef index);
// environment must be initialized
GateRef GetHomeObjectFromJSFunction(GateRef jsFunc);
GateRef GetValueFromConstStringTable(GateRef glue, GateRef gate, uint32_t inIndex);
void Lower(GateRef gate);
void LowerAdd2Dyn(GateRef gate, GateRef glue);
void LowerCreateIterResultObj(GateRef gate, GateRef glue);
void LowerSuspendGenerator(GateRef gate, GateRef glue);
void LowerAsyncFunctionAwaitUncaught(GateRef gate, GateRef glue);
void LowerAsyncFunctionResolve(GateRef gate, GateRef glue);
void LowerAsyncFunctionReject(GateRef gate, GateRef glue);
void LowerLoadStr(GateRef gate, GateRef glue);
void LowerLexicalEnv(GateRef gate, GateRef glue, GateRef jsFunc);
void LowerStGlobalVar(GateRef gate, GateRef glue);
void LowerTryLdGlobalByName(GateRef gate, GateRef glue);
void LowerGetIterator(GateRef gate, GateRef glue);
void LowerToJSCall(GateRef gate, GateRef glue, const std::vector<GateRef> &args);
void LowerCallArg0Dyn(GateRef gate, GateRef glue);
void LowerCallArg1Dyn(GateRef gate, GateRef glue);
void LowerCallArgs2Dyn(GateRef gate, GateRef glue);
void LowerCallArgs3Dyn(GateRef gate, GateRef glue);
void LowerCallIThisRangeDyn(GateRef gate, GateRef glue);
void LowerCallSpreadDyn(GateRef gate, GateRef glue);
void LowerCallIRangeDyn(GateRef gate, GateRef glue);
void LowerNewObjSpreadDyn(GateRef gate, GateRef glue);
void LowerThrowDyn(GateRef gate, GateRef glue);
void LowerThrowConstAssignment(GateRef gate, GateRef glue);
void LowerThrowThrowNotExists(GateRef gate, GateRef glue);
void LowerThrowPatternNonCoercible(GateRef gate, GateRef glue);
void LowerThrowIfNotObject(GateRef gate, GateRef glue);
void LowerThrowUndefinedIfHole(GateRef gate, GateRef glue);
void LowerThrowIfSuperNotCorrectCall(GateRef gate, GateRef glue);
void LowerThrowDeleteSuperProperty(GateRef gate, GateRef glue);
void LowerLdSymbol(GateRef gate, GateRef glue);
void LowerLdGlobal(GateRef gate, GateRef glue);
void LowerSub2Dyn(GateRef gate, GateRef glue);
void LowerMul2Dyn(GateRef gate, GateRef glue);
void LowerDiv2Dyn(GateRef gate, GateRef glue);
void LowerMod2Dyn(GateRef gate, GateRef glue);
void LowerEqDyn(GateRef gate, GateRef glue);
void LowerNotEqDyn(GateRef gate, GateRef glue);
void LowerLessDyn(GateRef gate, GateRef glue);
void LowerLessEqDyn(GateRef gate, GateRef glue);
void LowerGreaterDyn(GateRef gate, GateRef glue);
void LowerGreaterEqDyn(GateRef gate, GateRef glue);
void LowerGetPropIterator(GateRef gate, GateRef glue);
void LowerIterNext(GateRef gate, GateRef glue);
void LowerCloseIterator(GateRef gate, GateRef glue);
void LowerIncDyn(GateRef gate, GateRef glue);
void LowerDecDyn(GateRef gate, GateRef glue);
void LowerToNumber(GateRef gate, GateRef glue);
void LowerNegDyn(GateRef gate, GateRef glue);
void LowerNotDyn(GateRef gate, GateRef glue);
void LowerShl2Dyn(GateRef gate, GateRef glue);
void LowerShr2Dyn(GateRef gate, GateRef glue);
void LowerAshr2Dyn(GateRef gate, GateRef glue);
void LowerAnd2Dyn(GateRef gate, GateRef glue);
void LowerOr2Dyn(GateRef gate, GateRef glue);
void LowerXor2Dyn(GateRef gate, GateRef glue);
void LowerDelObjProp(GateRef gate, GateRef glue);
void LowerExpDyn(GateRef gate, GateRef glue);
void LowerIsInDyn(GateRef gate, GateRef glue);
void LowerInstanceofDyn(GateRef gate, GateRef glue);
void LowerFastStrictNotEqual(GateRef gate, GateRef glue);
void LowerFastStrictEqual(GateRef gate, GateRef glue);
void LowerCreateEmptyArray(GateRef gate, GateRef glue);
void LowerCreateEmptyObject(GateRef gate, GateRef glue);
void LowerCreateArrayWithBuffer(GateRef gate, GateRef glue, GateRef jsFunc);
void LowerCreateObjectWithBuffer(GateRef gate, GateRef glue, GateRef jsFunc);
void LowerStModuleVar(GateRef gate, GateRef glue);
void LowerGetTemplateObject(GateRef gate, GateRef glue);
void LowerSetObjectWithProto(GateRef gate, GateRef glue);
void LowerLdBigInt(GateRef gate, GateRef glue, GateRef jsFunc);
void LowerLdModuleVar(GateRef gate, GateRef glue);
void LowerGetModuleNamespace(GateRef gate, GateRef glue);
void LowerGetIteratorNext(GateRef gate, GateRef glue);
void LowerSuperCall(GateRef gate, GateRef glue, GateRef newTarget);
void LowerSuperCallSpread(GateRef gate, GateRef glue, GateRef newTarget);
void LowerIsTrueOrFalse(GateRef gate, GateRef glue, bool flag);
void LowerNewObjDynRange(GateRef gate, GateRef glue);
void LowerConditionJump(GateRef gate, bool isEqualJump);
void LowerGetNextPropName(GateRef gate, GateRef glue);
void LowerCopyDataProperties(GateRef gate, GateRef glue);
void LowerCreateObjectWithExcludedKeys(GateRef gate, GateRef glue);
void LowerCreateRegExpWithLiteral(GateRef gate, GateRef glue);
void LowerStOwnByValue(GateRef gate, GateRef glue);
void LowerStOwnByIndex(GateRef gate, GateRef glue);
void LowerStOwnByName(GateRef gate, GateRef glue);
void LowerDefineFuncDyn(GateRef gate, GateRef glue, GateRef jsFunc);
void LowerDefineGeneratorFunc(GateRef gate, GateRef glue, GateRef jsFunc);
void LowerDefineAsyncFunc(GateRef gate, GateRef glue, GateRef jsFunc);
void LowerNewLexicalEnvDyn(GateRef gate, GateRef glue, GateRef jsFunc);
void LowerNewLexicalEnvWithNameDyn(GateRef gate, GateRef glue, GateRef jsFunc);
void LowerPopLexicalEnv(GateRef gate, GateRef glue, GateRef jsFunc);
void LowerLdSuperByValue(GateRef gate, GateRef glue, GateRef jsFunc);
void LowerStSuperByValue(GateRef gate, GateRef glue, GateRef jsFunc);
void LowerTryStGlobalByName(GateRef gate, GateRef glue);
void LowerStConstToGlobalRecord(GateRef gate, GateRef glue);
void LowerStLetToGlobalRecord(GateRef gate, GateRef glue);
void LowerStClassToGlobalRecord(GateRef gate, GateRef glue);
void LowerStOwnByValueWithNameSet(GateRef gate, GateRef glue);
void LowerStOwnByNameWithNameSet(GateRef gate, GateRef glue);
void LowerLdGlobalVar(GateRef gate, GateRef glue);
void LowerLdObjByName(GateRef gate, GateRef glue);
void LowerStObjByName(GateRef gate, GateRef glue);
void LowerLdSuperByName(GateRef gate, GateRef glue);
void LowerStSuperByName(GateRef gate, GateRef glue);
void LowerDefineGetterSetterByValue(GateRef gate, GateRef glue);
void LowerLdObjByIndex(GateRef gate, GateRef glue);
void LowerStObjByIndex(GateRef gate, GateRef glue);
void LowerLdObjByValue(GateRef gate, GateRef glue);
void LowerStObjByValue(GateRef gate, GateRef glue);
void LowerCreateGeneratorObj(GateRef gate, GateRef glue);
void LowerStArraySpread(GateRef gate, GateRef glue);
void LowerLdLexVarDyn(GateRef gate, GateRef jsFunc);
void LowerStLexVarDyn(GateRef gate, GateRef glue, GateRef jsFunc);
void LowerCreateObjectHavingMethod(GateRef gate, GateRef glue, GateRef jsFunc);
void LowerLdHomeObject(GateRef gate, GateRef jsFunc);
void LowerDefineClassWithBuffer(GateRef gate, GateRef glue, GateRef jsFunc);
void LowerAsyncFunctionEnter(GateRef gate, GateRef glue);
void LowerTypeOfDyn(GateRef gate, GateRef glue);
void LowerResumeGenerator(GateRef gate);
void LowerGetResumeMode(GateRef gate);
void LowerDefineNCFuncDyn(GateRef gate, GateRef glue, GateRef jsFunc);
void LowerDefineMethod(GateRef gate, GateRef glue, GateRef jsFunc);
void LowerGetUnmappedArgs(GateRef gate, GateRef glue);
void LowerCopyRestArgs(GateRef gate, GateRef glue);
GateRef LowerCallRuntime(GateRef glue, int index, const std::vector<GateRef> &args, bool useLabel = false);
int32_t ComputeCallArgc(GateRef gate, EcmaOpcode op);
BytecodeCircuitBuilder *bcBuilder_;
Circuit *circuit_;
GateAccessor acc_;
CircuitBuilder builder_;
GateRef dependEntry_;
bool enableLog_ {false};
};
} // panda::ecmascript::kungfu
#endif // ECMASCRIPT_COMPILER_GENERIC_LOWERING_H
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