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 "tryStatement.h"
17
18 #include "checker/TSchecker.h"
19 #include "compiler/core/pandagen.h"
20 #include "compiler/core/ETSGen.h"
21 #include "compiler/core/dynamicContext.h"
22 #include "compiler/base/catchTable.h"
23 #include "ir/astDump.h"
24 #include "ir/srcDump.h"
25 #include "ir/base/catchClause.h"
26 #include "ir/statements/blockStatement.h"
27
28 namespace panda::es2panda::ir {
TransformChildren(const NodeTransformer & cb)29 void TryStatement::TransformChildren(const NodeTransformer &cb)
30 {
31 block_ = cb(block_)->AsBlockStatement();
32
33 for (auto *&it : catchClauses_) {
34 it = cb(it)->AsCatchClause();
35 }
36
37 if (finalizer_ != nullptr) {
38 finalizer_ = cb(finalizer_)->AsBlockStatement();
39 }
40 }
41
Iterate(const NodeTraverser & cb) const42 void TryStatement::Iterate(const NodeTraverser &cb) const
43 {
44 cb(block_);
45
46 for (auto *it : catchClauses_) {
47 cb(it);
48 }
49
50 if (finalizer_ != nullptr) {
51 cb(finalizer_);
52 }
53 }
54
Dump(ir::AstDumper * dumper) const55 void TryStatement::Dump(ir::AstDumper *dumper) const
56 {
57 dumper->Add({{"type", "TryStatement"},
58 {"block", block_},
59 {"handler", catchClauses_},
60 {"finalizer", AstDumper::Nullish(finalizer_)}});
61 }
62
Dump(ir::SrcDumper * dumper) const63 void TryStatement::Dump(ir::SrcDumper *dumper) const
64 {
65 ASSERT(block_ != nullptr);
66 dumper->Add("try {");
67 dumper->IncrIndent();
68 dumper->Endl();
69 block_->Dump(dumper);
70 dumper->DecrIndent();
71 dumper->Endl();
72 dumper->Add("}");
73 for (auto clause : catchClauses_) {
74 dumper->Add(" catch ");
75 clause->Dump(dumper);
76 }
77 if (finalizer_ != nullptr) {
78 dumper->Add(" finally {");
79 dumper->IncrIndent();
80 dumper->Endl();
81 finalizer_->Dump(dumper);
82 dumper->DecrIndent();
83 dumper->Endl();
84 dumper->Add("}");
85 }
86 }
87
HasDefaultCatchClause() const88 bool TryStatement::HasDefaultCatchClause() const
89 {
90 return (!catchClauses_.empty() && catchClauses_.back()->IsDefaultCatchClause());
91 }
92
Compile(compiler::PandaGen * pg) const93 void TryStatement::Compile([[maybe_unused]] compiler::PandaGen *pg) const
94 {
95 pg->GetAstCompiler()->Compile(this);
96 }
97
Compile(compiler::ETSGen * etsg) const98 void TryStatement::Compile(compiler::ETSGen *etsg) const
99 {
100 etsg->GetAstCompiler()->Compile(this);
101 }
102
Check(checker::TSChecker * checker)103 checker::Type *TryStatement::Check([[maybe_unused]] checker::TSChecker *checker)
104 {
105 return checker->GetAnalyzer()->Check(this);
106 }
107
Check(checker::ETSChecker * checker)108 checker::Type *TryStatement::Check([[maybe_unused]] checker::ETSChecker *checker)
109 {
110 return checker->GetAnalyzer()->Check(this);
111 }
112
SetReturnType(checker::ETSChecker * checker,checker::Type * type)113 void TryStatement::SetReturnType(checker::ETSChecker *checker, checker::Type *type)
114 {
115 if (block_ != nullptr) {
116 block_->SetReturnType(checker, type);
117 }
118 if (finalizer_ != nullptr) {
119 finalizer_->SetReturnType(checker, type);
120 }
121 for (auto *catchClause : catchClauses_) {
122 if (catchClause != nullptr) {
123 catchClause->SetReturnType(checker, type);
124 }
125 }
126 }
127 } // namespace panda::es2panda::ir
128