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_BUILTINS_STRING_STUB_BUILDER_H 17 #define ECMASCRIPT_COMPILER_BUILTINS_STRING_STUB_BUILDER_H 18 #include "ecmascript/compiler/stub_builder-inl.h" 19 20 namespace panda::ecmascript::kungfu { 21 class BuiltinsStringStubBuilder : public StubBuilder { 22 public: BuiltinsStringStubBuilder(StubBuilder * parent)23 explicit BuiltinsStringStubBuilder(StubBuilder *parent) 24 : StubBuilder(parent) {} 25 ~BuiltinsStringStubBuilder() override = default; 26 NO_MOVE_SEMANTIC(BuiltinsStringStubBuilder); 27 NO_COPY_SEMANTIC(BuiltinsStringStubBuilder); GenerateCircuit()28 void GenerateCircuit() override {} 29 30 GateRef StringAt(GateRef obj, GateRef index); 31 GateRef FastSubString(GateRef glue, GateRef thisValue, GateRef from, GateRef len); 32 GateRef FastSubUtf8String(GateRef glue, GateRef thisValue, GateRef from, GateRef len); 33 GateRef FastSubUtf16String(GateRef glue, GateRef thisValue, GateRef from, GateRef len); 34 void CopyChars(GateRef glue, GateRef dst, GateRef source, GateRef sourceLength, GateRef size, VariableType type); 35 void CopyUtf16AsUtf8(GateRef glue, GateRef src, GateRef dst, GateRef sourceLength); 36 GateRef StringIndexOf(GateRef lhsData, bool lhsIsUtf8, GateRef rhsData, bool rhsIsUtf8, 37 GateRef pos, GateRef max, GateRef rhsCount); 38 GateRef StringIndexOf(GateRef lhs, GateRef rhs, GateRef pos); 39 GateRef CreateFromEcmaString(GateRef glue, GateRef obj, GateRef index); 40 private: 41 GateRef CanBeCompressed(GateRef utf16Data, GateRef utf16Len, bool isUtf16); 42 GateRef GetUtf16Data(GateRef stringData, GateRef index); 43 GateRef IsASCIICharacter(GateRef data); 44 GateRef GetUtf8Data(GateRef stringData, GateRef index); 45 }; 46 } // namespace panda::ecmascript::kungfu 47 #endif // ECMASCRIPT_COMPILER_BUILTINS_STRING_STUB_BUILDER_H