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https://gitee.com/openharmony/arkcompiler_ets_runtime
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2c9208ea02
Avoid repeated loading of unsharedConstPool Issue: https://gitee.com/openharmony/arkcompiler_ets_runtime/issues/I9T7JL Signed-off-by: ginxu <xujie101@huawei.com> Change-Id: Id62309fe96e131fd78663cf338041e6380197f7d
122 lines
3.3 KiB
C++
122 lines
3.3 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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#ifndef ECMASCRIPT_COMPILER_ARGUMENT_ACCESSOR_H
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#define ECMASCRIPT_COMPILER_ARGUMENT_ACCESSOR_H
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#include "ecmascript/compiler/circuit.h"
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#include "ecmascript/compiler/gate.h"
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#include "ecmascript/compiler/gate_accessor.h"
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#include "ecmascript/method.h"
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namespace panda::ecmascript::kungfu {
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enum class CommonArgIdx : uint8_t {
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GLUE = 0,
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ACTUAL_ARGC,
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ACTUAL_ARGV,
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FUNC,
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NEW_TARGET,
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THIS_OBJECT,
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NUM_OF_ARGS,
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};
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enum class FastCallArgIdx : uint8_t {
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GLUE = 0,
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FUNC,
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THIS_OBJECT,
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NUM_OF_ARGS,
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};
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enum class FrameArgIdx : uint8_t {
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FUNC = 0,
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NEW_TARGET,
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THIS_OBJECT,
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ACTUAL_ARGC,
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ACTUAL_ARGV,
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SHARED_CONST_POOL,
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UNSHARED_CONST_POOL,
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NUM_OF_ARGS,
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};
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class ArgumentAccessor {
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public:
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explicit ArgumentAccessor(
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Circuit *circuit, const MethodLiteral *methodLiteral = nullptr)
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: circuit_(circuit),
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method_(methodLiteral),
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argRoot_(circuit->GetArgRoot()),
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args_(0),
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frameArgs_{Circuit::NullGate()}
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{
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CollectArgs();
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}
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~ArgumentAccessor() = default;
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void NewCommonArg(const CommonArgIdx argIndex, MachineType machineType, GateType gateType);
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void NewArg(const size_t argIndex);
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// method must be set
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size_t GetActualNumArgs() const;
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// method must be set
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GateRef GetArgGate(const size_t currentVreg) const;
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bool ArgGateNotExisted(const size_t currentVreg);
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GateRef ArgsAt(const size_t index) const
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{
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return args_.at(index);
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}
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size_t ArgsCount() const
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{
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return args_.size();
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}
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void CollectArgs();
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static size_t GetFixArgsNum()
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{
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return static_cast<size_t>(CommonArgIdx::NUM_OF_ARGS) - static_cast<size_t>(CommonArgIdx::FUNC);
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}
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static size_t GetExtraArgsNum()
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{
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return static_cast<size_t>(CommonArgIdx::ACTUAL_ARGV) - static_cast<size_t>(CommonArgIdx::GLUE);
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}
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GateRef GetFrameArgs() const
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{
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return frameArgs_;
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}
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void SetFrameArgs(GateRef frameArgs)
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{
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frameArgs_ = frameArgs;
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}
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GateRef GetFrameArgsIn(GateRef gate, FrameArgIdx idx);
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private:
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// Disables using this interface during lowering, only allows it to be used during building graph.
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GateRef GetCommonArgGate(const CommonArgIdx arg) const;
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size_t GetFunctionArgIndex(const size_t currentVreg, const bool haveFunc,
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const bool haveNewTarget, const bool haveThis) const;
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Circuit *circuit_ {nullptr};
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const MethodLiteral *method_ {nullptr};
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GateRef argRoot_;
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std::vector<GateRef> args_;
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GateRef frameArgs_;
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friend class BytecodeCircuitBuilder;
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friend class AsyncFunctionLowering;
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friend class InitializationAnalysis;
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};
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}
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#endif // ECMASCRIPT_COMPILER_ARGUMENT_ACCESSOR_H
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