1 /**
2 * Copyright (c) 2021 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 "switchStatement.h"
17
18 #include "varbinder/scope.h"
19 #include "compiler/core/labelTarget.h"
20 #include "compiler/core/switchBuilder.h"
21 #include "compiler/core/pandagen.h"
22 #include "compiler/core/ETSGen.h"
23 #include "checker/TSchecker.h"
24 #include "ir/astDump.h"
25 #include "ir/srcDump.h"
26
27 namespace panda::es2panda::ir {
TransformChildren(const NodeTransformer & cb)28 void SwitchStatement::TransformChildren(const NodeTransformer &cb)
29 {
30 discriminant_ = cb(discriminant_)->AsExpression();
31
32 for (auto *&it : cases_) {
33 it = cb(it)->AsSwitchCaseStatement();
34 }
35 }
36
Iterate(const NodeTraverser & cb) const37 void SwitchStatement::Iterate(const NodeTraverser &cb) const
38 {
39 cb(discriminant_);
40
41 for (auto *it : cases_) {
42 cb(it);
43 }
44 }
45
Dump(ir::AstDumper * dumper) const46 void SwitchStatement::Dump(ir::AstDumper *dumper) const
47 {
48 dumper->Add({{"type", "SwitchStatement"}, {"discriminant", discriminant_}, {"cases", cases_}});
49 }
50
Dump(ir::SrcDumper * dumper) const51 void SwitchStatement::Dump(ir::SrcDumper *dumper) const
52 {
53 ASSERT(discriminant_);
54 dumper->Add("switch (");
55 discriminant_->Dump(dumper);
56 dumper->Add(") {");
57 if (!cases_.empty()) {
58 dumper->IncrIndent();
59 dumper->Endl();
60 for (auto cs : cases_) {
61 cs->Dump(dumper);
62 if (cs == cases_.back()) {
63 dumper->DecrIndent();
64 }
65 dumper->Endl();
66 }
67 }
68 dumper->Add("}");
69 }
70
Compile(compiler::PandaGen * pg) const71 void SwitchStatement::Compile(compiler::PandaGen *pg) const
72 {
73 pg->GetAstCompiler()->Compile(this);
74 }
75
Compile(compiler::ETSGen * etsg) const76 void SwitchStatement::Compile(compiler::ETSGen *etsg) const
77 {
78 etsg->GetAstCompiler()->Compile(this);
79 }
80
Check(checker::TSChecker * checker)81 checker::Type *SwitchStatement::Check(checker::TSChecker *checker)
82 {
83 return checker->GetAnalyzer()->Check(this);
84 }
85
Check(checker::ETSChecker * const checker)86 checker::Type *SwitchStatement::Check(checker::ETSChecker *const checker)
87 {
88 return checker->GetAnalyzer()->Check(this);
89 }
90
SetReturnType(checker::ETSChecker * checker,checker::Type * type)91 void SwitchStatement::SetReturnType(checker::ETSChecker *checker, checker::Type *type)
92 {
93 for (auto *cs : cases_) {
94 if (cs != nullptr) {
95 cs->SetReturnType(checker, type);
96 }
97 }
98 }
99 } // namespace panda::es2panda::ir
100