mirror of
https://gitee.com/openharmony/arkcompiler_ets_runtime
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946c4b08f1
Issue:https://gitee.com/openharmony/arkcompiler_ets_runtime/issues/I6T82W Signed-off-by: dov1s <maojunwei1@huawei.com> Change-Id: I27db458545b09d50a71c92640f4e8e4c2dfd4277
151 lines
5.4 KiB
C++
151 lines
5.4 KiB
C++
/*
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* Copyright (c) 2022 Huawei Device Co., Ltd.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "ecmascript/compiler/argument_accessor.h"
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namespace panda::ecmascript::kungfu {
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void ArgumentAccessor::NewCommonArg(const CommonArgIdx argIndex, MachineType machineType, GateType gateType)
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{
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circuit_->NewArg(machineType, static_cast<size_t>(argIndex), gateType, argRoot_);
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}
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void ArgumentAccessor::NewArg(const size_t argIndex)
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{
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circuit_->NewArg(MachineType::I64, argIndex, GateType::TaggedValue(), argRoot_);
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}
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// method must be set
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size_t ArgumentAccessor::GetActualNumArgs() const
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{
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ASSERT(method_ != nullptr);
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auto numArgs = method_->GetNumArgsWithCallField();
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return static_cast<size_t>(CommonArgIdx::NUM_OF_ARGS) + numArgs;
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}
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// method must be set
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GateRef ArgumentAccessor::GetArgGate(const size_t currentVreg) const
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{
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ASSERT(method_ != nullptr);
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const size_t offsetArgs = method_->GetNumVregsWithCallField();
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ASSERT(currentVreg >= offsetArgs && currentVreg < offsetArgs + method_->GetNumArgs());
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auto reg = currentVreg - offsetArgs;
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auto haveFunc = method_->HaveFuncWithCallField();
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auto haveNewTarget = method_->HaveNewTargetWithCallField();
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auto haveThis = method_->HaveThisWithCallField();
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auto index = GetFunctionArgIndex(reg, haveFunc, haveNewTarget, haveThis);
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return args_.at(index);
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}
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bool ArgumentAccessor::ArgGateNotExisted(const size_t currentVreg)
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{
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const size_t offsetArgs = method_->GetNumVregsWithCallField();
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if (currentVreg < offsetArgs || currentVreg >= offsetArgs + method_->GetNumArgs()) {
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return true;
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}
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return false;
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}
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GateRef ArgumentAccessor::GetTypedArgGate(const size_t argIndex) const
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{
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if (argIndex == static_cast<size_t>(TypedArgIdx::FUNC)) {
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return GetCommonArgGate(CommonArgIdx::FUNC);
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}
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if (argIndex == static_cast<size_t>(TypedArgIdx::NEW_TARGET)) {
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return GetCommonArgGate(CommonArgIdx::NEW_TARGET);
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}
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if (argIndex == static_cast<size_t>(TypedArgIdx::THIS_OBJECT)) {
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return GetCommonArgGate(CommonArgIdx::THIS_OBJECT);
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}
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return args_.at(argIndex - static_cast<size_t>(TypedArgIdx::NUM_OF_TYPED_ARGS) +
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static_cast<size_t>(CommonArgIdx::NUM_OF_ARGS));
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}
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GateRef ArgumentAccessor::GetCommonArgGate(const CommonArgIdx arg) const
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{
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return args_.at(static_cast<size_t>(arg));
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}
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size_t ArgumentAccessor::GetFunctionArgIndex(const size_t currentVreg, const bool haveFunc,
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const bool haveNewTarget, const bool haveThis) const
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{
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size_t numCommonArgs = haveFunc + haveNewTarget + haveThis;
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// 2: number of common args
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if (numCommonArgs == 2) {
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if (!haveFunc && currentVreg == 0) {
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return static_cast<size_t>(CommonArgIdx::NEW_TARGET);
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}
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if (!haveFunc && currentVreg == 1) {
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return static_cast<size_t>(CommonArgIdx::THIS_OBJECT);
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}
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if (!haveNewTarget && currentVreg == 0) {
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return static_cast<size_t>(CommonArgIdx::FUNC);
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}
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if (!haveNewTarget && currentVreg == 1) {
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return static_cast<size_t>(CommonArgIdx::THIS_OBJECT);
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}
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if (!haveThis && currentVreg == 0) {
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return static_cast<size_t>(CommonArgIdx::FUNC);
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}
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if (!haveThis && currentVreg == 1) {
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return static_cast<size_t>(CommonArgIdx::NEW_TARGET);
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}
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}
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// 1: number of common args, 0: the index of currentVreg
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if (numCommonArgs == 1 && currentVreg == 0) {
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if (haveFunc) {
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return static_cast<size_t>(CommonArgIdx::FUNC);
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}
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if (haveNewTarget) {
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return static_cast<size_t>(CommonArgIdx::NEW_TARGET);
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}
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if (haveThis) {
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return static_cast<size_t>(CommonArgIdx::THIS_OBJECT);
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}
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}
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return currentVreg - numCommonArgs + static_cast<size_t>(CommonArgIdx::NUM_OF_ARGS);
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}
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void ArgumentAccessor::FillArgsGateType(const TypeRecorder *typeRecorder)
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{
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ASSERT(method_ != nullptr);
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GateAccessor gateAcc(circuit_);
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const size_t numOfTypedArgs = method_->GetNumArgsWithCallField() +
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static_cast<size_t>(TypedArgIdx::NUM_OF_TYPED_ARGS);
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for (uint32_t argIndex = 0; argIndex < numOfTypedArgs; argIndex++) {
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auto argType = typeRecorder->GetArgType(argIndex);
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if (!argType.IsAnyType()) {
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auto gate = GetTypedArgGate(argIndex);
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gateAcc.SetGateType(gate, argType);
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}
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}
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}
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void ArgumentAccessor::CollectArgs()
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{
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if (args_.size() == 0) {
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GateAccessor(circuit_).GetArgsOuts(args_);
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std::reverse(args_.begin(), args_.end());
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}
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}
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GateRef ArgumentAccessor::GetFrameArgsIn(GateRef gate, FrameArgIdx idx)
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{
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GateAccessor gateAcc(circuit_);
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ASSERT(gateAcc.GetOpCode(gate) == OpCode::JS_BYTECODE || gateAcc.GetOpCode(gate) == OpCode::FRAME_STATE);
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GateRef frameArgs = gateAcc.GetFrameState(gate);
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return gateAcc.GetValueIn(frameArgs, static_cast<size_t>(idx));
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}
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} // namespace panda::ecmascript::kungfu
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