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 "doWhileStatement.h"
17
18#include <binder/binder.h>
19#include <binder/scope.h>
20#include <compiler/base/condition.h>
21#include <compiler/core/labelTarget.h>
22#include <compiler/core/pandagen.h>
23#include <typescript/checker.h>
24#include <ir/astDump.h>
25#include <ir/expression.h>
26
27namespace panda::es2panda::ir {
28
29void DoWhileStatement::Iterate(const NodeTraverser &cb) const
30{
31    cb(body_);
32    cb(test_);
33}
34
35void DoWhileStatement::Dump(ir::AstDumper *dumper) const
36{
37    dumper->Add({{"type", "DoWhileStatement"}, {"body", body_}, {"test", test_}});
38}
39
40void DoWhileStatement::Compile(compiler::PandaGen *pg) const
41{
42    auto *startLabel = pg->AllocLabel();
43    compiler::LabelTarget labelTarget(pg);
44
45    pg->SetLabel(this, startLabel);
46
47    {
48        compiler::LoopEnvScope envScope(pg, labelTarget, scope_);
49        body_->Compile(pg);
50    }
51
52    pg->SetLabel(this, labelTarget.ContinueTarget());
53    compiler::Condition::Compile(pg, this->Test(), labelTarget.BreakTarget());
54
55    pg->Branch(this, startLabel);
56    pg->SetLabel(this, labelTarget.BreakTarget());
57}
58
59checker::Type *DoWhileStatement::Check(checker::Checker *checker) const
60{
61    checker::ScopeContext scopeCtx(checker, scope_);
62
63    checker::Type *testType = test_->Check(checker);
64    checker->CheckTruthinessOfType(testType, this->Start());
65    body_->Check(checker);
66
67    return nullptr;
68}
69
70void DoWhileStatement::UpdateSelf(const NodeUpdater &cb, binder::Binder *binder)
71{
72    {
73        auto loopScopeCtx = binder::LexicalScope<binder::LoopScope>::Enter(binder, scope_);
74        body_ = UpdateChildStatement(cb, binder, body_);
75    }
76    test_ = std::get<ir::AstNode *>(cb(test_))->AsExpression();
77}
78
79}  // namespace panda::es2panda::ir
80