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 "tsEnumDeclaration.h"
17 
18 #include "checker/TSchecker.h"
19 #include "compiler/core/ETSGen.h"
20 #include "compiler/core/pandagen.h"
21 #include "util/helpers.h"
22 #include "ir/astDump.h"
23 #include "ir/srcDump.h"
24 
25 namespace ark::es2panda::ir {
TransformChildren(const NodeTransformer &cb, std::string_view transformationName)26 void TSEnumDeclaration::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(key_); key_ != transformedNode) {
36         key_->SetTransformedNode(transformationName, transformedNode);
37         key_ = transformedNode->AsIdentifier();
38     }
39 
40     for (auto *&it : members_) {
41         if (auto *transformedNode = cb(it); it != transformedNode) {
42             it->SetTransformedNode(transformationName, transformedNode);
43             it = transformedNode;
44         }
45     }
46 }
47 
Iterate(const NodeTraverser &cb) const48 void TSEnumDeclaration::Iterate(const NodeTraverser &cb) const
49 {
50     for (auto *it : decorators_) {
51         cb(it);
52     }
53 
54     cb(key_);
55 
56     for (auto *it : members_) {
57         cb(it);
58     }
59 }
60 
Dump(ir::AstDumper *dumper) const61 void TSEnumDeclaration::Dump(ir::AstDumper *dumper) const
62 {
63     dumper->Add({{"type", "TSEnumDeclaration"},
64                  {"decorators", AstDumper::Optional(decorators_)},
65                  {"id", key_},
66                  {"members", members_},
67                  {"const", isConst_}});
68 }
69 
Dump(ir::SrcDumper *dumper) const70 void TSEnumDeclaration::Dump(ir::SrcDumper *dumper) const
71 {
72     ASSERT(isConst_ == false);
73     ASSERT(key_ != nullptr);
74     dumper->Add("enum ");
75     key_->Dump(dumper);
76     dumper->Add(" {");
77     if (!members_.empty()) {
78         dumper->IncrIndent();
79         dumper->Endl();
80         for (auto member : members_) {
81             member->Dump(dumper);
82             if (member != members_.back()) {
83                 dumper->Add(",");
84                 dumper->Endl();
85             }
86         }
87         dumper->DecrIndent();
88         dumper->Endl();
89     }
90     dumper->Add("}");
91     dumper->Endl();
92 }
93 
94 // NOTE (csabahurton): this method has not been moved to TSAnalyizer.cpp, because it is not used.
EvaluateMemberExpression(checker::TSChecker *checker, [[maybe_unused]] varbinder::EnumVariable *enumVar, ir::MemberExpression *expr)95 varbinder::EnumMemberResult EvaluateMemberExpression(checker::TSChecker *checker,
96                                                      [[maybe_unused]] varbinder::EnumVariable *enumVar,
97                                                      ir::MemberExpression *expr)
98 {
99     if (checker::TSChecker::IsConstantMemberAccess(expr->AsExpression())) {
100         if (expr->Check(checker)->TypeFlags() == checker::TypeFlag::ENUM) {
101             util::StringView name;
102             if (!expr->IsComputed()) {
103                 name = expr->Property()->AsIdentifier()->Name();
104             } else {
105                 ASSERT(checker::TSChecker::IsStringLike(expr->Property()));
106                 name = reinterpret_cast<const ir::StringLiteral *>(expr->Property())->Str();
107             }
108 
109             // NOTE: aszilagyi.
110         }
111     }
112 
113     return false;
114 }
115 
Compile(compiler::PandaGen *pg) const116 void TSEnumDeclaration::Compile(compiler::PandaGen *pg) const
117 {
118     pg->GetAstCompiler()->Compile(this);
119 }
120 
Compile(compiler::ETSGen *etsg) const121 void TSEnumDeclaration::Compile(compiler::ETSGen *etsg) const
122 {
123     etsg->GetAstCompiler()->Compile(this);
124 }
125 
Check(checker::TSChecker *checker)126 checker::Type *TSEnumDeclaration::Check(checker::TSChecker *checker)
127 {
128     return checker->GetAnalyzer()->Check(this);
129 }
130 
Check(checker::ETSChecker *const checker)131 checker::Type *TSEnumDeclaration::Check(checker::ETSChecker *const checker)
132 {
133     return checker->GetAnalyzer()->Check(this);
134 }
135 }  // namespace ark::es2panda::ir
136