1 /* 2 * Copyright (c) 2022 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef ECMASCRIPT_COMPILER_NEW_OBJECT_STUB_BUILDER_H 17 #define ECMASCRIPT_COMPILER_NEW_OBJECT_STUB_BUILDER_H 18 19 #include "ecmascript/compiler/profiler_operation.h" 20 #include "ecmascript/compiler/stub_builder.h" 21 22 namespace panda::ecmascript::kungfu { 23 class NewObjectStubBuilder : public StubBuilder { 24 public: NewObjectStubBuilder(StubBuilder * parent)25 explicit NewObjectStubBuilder(StubBuilder *parent) 26 : StubBuilder(parent) {} NewObjectStubBuilder(Environment * env)27 explicit NewObjectStubBuilder(Environment *env) 28 : StubBuilder(env) {} 29 ~NewObjectStubBuilder() override = default; 30 NO_MOVE_SEMANTIC(NewObjectStubBuilder); 31 NO_COPY_SEMANTIC(NewObjectStubBuilder); GenerateCircuit()32 void GenerateCircuit() override {} 33 SetParameters(GateRef glue,GateRef size)34 void SetParameters(GateRef glue, GateRef size) 35 { 36 glue_ = glue; 37 size_ = size; 38 } 39 SetGlue(GateRef glue)40 void SetGlue(GateRef glue) 41 { 42 glue_ = glue; 43 } 44 45 void NewLexicalEnv(Variable *result, Label *exit, GateRef numSlots, GateRef parent); 46 void NewJSObject(Variable *result, Label *exit, GateRef hclass); 47 GateRef NewJSObject(GateRef glue, GateRef hclass); 48 GateRef NewJSArray(GateRef glue, GateRef hclass); 49 GateRef NewTaggedArray(GateRef glue, GateRef len); 50 GateRef NewJSArrayWithSize(GateRef hclass, GateRef size); 51 void NewArgumentsList(Variable *result, Label *exit, GateRef sp, GateRef startIdx, GateRef numArgs); 52 void NewArgumentsObj(Variable *result, Label *exit, GateRef argumentsList, GateRef numArgs); 53 void AllocLineStringObject(Variable *result, Label *exit, GateRef length, bool compressed); 54 void HeapAlloc(Variable *result, Label *exit, RegionSpaceFlag spaceType); 55 void NewJSArrayLiteral(Variable *result, Label *exit, RegionSpaceFlag spaceType, GateRef obj, GateRef hclass, 56 bool isEmptyArray); 57 void InitializeWithSpeicalValue(Label *exit, GateRef object, GateRef value, GateRef start, GateRef end); 58 GateRef FastNewThisObject(GateRef glue, GateRef ctor); 59 GateRef NewThisObjectChecked(GateRef glue, GateRef ctor); 60 GateRef CreateEmptyArray(GateRef glue, ProfileOperation callback); 61 GateRef CreateArrayWithBuffer(GateRef glue, GateRef index, GateRef jsFunc, ProfileOperation callback); 62 void NewTaggedArrayChecked(Variable *result, GateRef len, Label *exit); 63 64 private: 65 static constexpr int MAX_TAGGED_ARRAY_LENGTH = 50; 66 void AllocateInYoung(Variable *result, Label *exit); 67 void InitializeTaggedArrayWithSpeicalValue(Label *exit, 68 GateRef array, GateRef value, GateRef start, GateRef length); 69 GateRef glue_ {Circuit::NullGate()}; 70 GateRef size_ {0}; 71 }; 72 } // namespace panda::ecmascript::kungfu 73 #endif // ECMASCRIPT_COMPILER_NEW_OBJECT_STUB_BUILDER_H 74