1 /**
2  * Copyright (c) 2023-2024 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 ES2PANDA_COMPILER_LOWERING_DEFAULT_PARAM_LOWERING_H
17 #define ES2PANDA_COMPILER_LOWERING_DEFAULT_PARAM_LOWERING_H
18 
19 #include "compiler/lowering/phase.h"
20 
21 namespace ark::es2panda::compiler {
22 
23 class DefaultParameterLowering : public Phase {
24     std::pair<bool, std::size_t> HasDefaultParam(const ir::ScriptFunction *function, parser::Program *program);
ThrowSyntaxError(std::string_view errorMessage, const lexer::SourcePosition &pos, parser::Program *program) const25     void ThrowSyntaxError(std::string_view errorMessage, const lexer::SourcePosition &pos,
26                           parser::Program *program) const
27     {
28         lexer::LineIndex index(program->SourceCode());
29         lexer::SourceLocation loc = index.GetLocation(pos);
30 
31         throw Error {ErrorType::SYNTAX, program->SourceFilePath().Utf8(), errorMessage, loc.line, loc.col};
32     }
33     ir::TSTypeParameterDeclaration *CreateParameterDeclaraion(ir::MethodDefinition *method, public_lib::Context *ctx);
34     ir::FunctionSignature CreateFunctionSignature(ir::MethodDefinition *method, ArenaVector<ir::Expression *> funcParam,
35                                                   public_lib::Context *ctx);
36     ir::TSTypeParameterInstantiation *CreateTypeParameterInstantiation(ir::MethodDefinition *method,
37                                                                        public_lib::Context *ctx);
38     ir::BlockStatement *CreateFunctionBody(ir::MethodDefinition *method, public_lib::Context *ctx,
39                                            ArenaVector<ir::Expression *> funcCallArgs);
40     ir::FunctionExpression *CreateFunctionExpression(ir::MethodDefinition *method, public_lib::Context *ctx,
41                                                      ArenaVector<ir::Expression *> funcDefinitionArgs,
42                                                      ArenaVector<ir::Expression *> funcCallArgs);
43     void CreateOverloadFunction(ir::MethodDefinition *method, ArenaVector<ir::Expression *> funcCallArgs,
44                                 ArenaVector<ir::Expression *> funcDefinitionArgs, public_lib::Context *ctx);
45     void RemoveInitializers(ArenaVector<ir::Expression *> params);
46     void ProcessGlobalFunctionDefinition(ir::MethodDefinition *method, public_lib::Context *ctx);
47 
48 public:
49     std::string_view Name() const override
50     {
51         return "DefaultParameterLowering";
52     }
53     bool Perform(public_lib::Context *ctx, parser::Program *program) override;
54 };
55 
56 }  // namespace ark::es2panda::compiler
57 
58 #endif  // ES2PANDA_COMPILER_LOWERING_DEFAULT_PARAM_LOWERING_H
59