1/**
2 * Copyright (c) 2021-2024 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#include "functionDeclaration.h"
17
18#include "varbinder/variable.h"
19#include "compiler/core/ETSGen.h"
20#include "checker/TSchecker.h"
21#include "ir/astDump.h"
22#include "ir/srcDump.h"
23#include "compiler/core/pandagen.h"
24
25namespace ark::es2panda::ir {
26void FunctionDeclaration::TransformChildren(const NodeTransformer &cb, std::string_view transformationName)
27{
28    for (auto *&it : decorators_) {
29        if (auto *transformedNode = cb(it); it != transformedNode) {
30            it->SetTransformedNode(transformationName, transformedNode);
31            it = transformedNode->AsDecorator();
32        }
33    }
34
35    if (auto *transformedNode = cb(func_); func_ != transformedNode) {
36        func_->SetTransformedNode(transformationName, transformedNode);
37        func_ = transformedNode->AsScriptFunction();
38    }
39}
40
41void FunctionDeclaration::Iterate(const NodeTraverser &cb) const
42{
43    for (auto *it : decorators_) {
44        cb(it);
45    }
46
47    cb(func_);
48}
49
50void FunctionDeclaration::Dump(ir::AstDumper *dumper) const
51{
52    dumper->Add({{"type", func_->IsOverload() ? "TSDeclareFunction" : "FunctionDeclaration"},
53                 {"decorators", AstDumper::Optional(decorators_)},
54                 {"function", func_}});
55}
56
57void FunctionDeclaration::Dump(ir::SrcDumper *dumper) const
58{
59    if (func_->IsNative()) {
60        dumper->Add("native ");
61    }
62    if (func_->Declare()) {
63        dumper->Add("declare ");
64    }
65    if (func_->IsAsyncFunc()) {
66        dumper->Add("async ");
67    }
68    dumper->Add("function ");
69
70    if (func_->IsExtensionMethod()) {
71        for (const auto *param : func_->Params()) {
72            if (param->IsETSParameterExpression() && param->AsETSParameterExpression()->Ident() != nullptr &&
73                param->AsETSParameterExpression()->Ident()->Name() == varbinder::VarBinder::MANDATORY_PARAM_THIS &&
74                param->AsETSParameterExpression()->Ident()->TypeAnnotation() != nullptr &&
75                param->AsETSParameterExpression()->Ident()->TypeAnnotation()->IsETSTypeReference() &&
76                param->AsETSParameterExpression()->Ident()->TypeAnnotation()->AsETSTypeReference()->Part() != nullptr &&
77                param->AsETSParameterExpression()->Ident()->TypeAnnotation()->AsETSTypeReference()->Part()->Name() !=
78                    nullptr &&
79                param->AsETSParameterExpression()
80                    ->Ident()
81                    ->TypeAnnotation()
82                    ->AsETSTypeReference()
83                    ->Part()
84                    ->Name()
85                    ->IsIdentifier()) {
86                dumper->Add(std::string(param->AsETSParameterExpression()
87                                            ->Ident()
88                                            ->TypeAnnotation()
89                                            ->AsETSTypeReference()
90                                            ->Part()
91                                            ->Name()
92                                            ->AsIdentifier()
93                                            ->Name()));
94                dumper->Add(".");
95            }
96        }
97    }
98    func_->Id()->Dump(dumper);
99    func_->Dump(dumper);
100}
101
102void FunctionDeclaration::Compile(compiler::PandaGen *pg) const
103{
104    pg->GetAstCompiler()->Compile(this);
105}
106
107void FunctionDeclaration::Compile(compiler::ETSGen *etsg) const
108{
109    etsg->GetAstCompiler()->Compile(this);
110}
111
112checker::Type *FunctionDeclaration::Check(checker::TSChecker *checker)
113{
114    return checker->GetAnalyzer()->Check(this);
115}
116
117checker::Type *FunctionDeclaration::Check(checker::ETSChecker *checker)
118{
119    return checker->GetAnalyzer()->Check(this);
120}
121}  // namespace ark::es2panda::ir
122