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 "conditionalExpression.h"
17
18#include <compiler/base/condition.h>
19#include <compiler/core/pandagen.h>
20#include <typescript/checker.h>
21#include <ir/astDump.h>
22
23namespace panda::es2panda::ir {
24
25void ConditionalExpression::Iterate(const NodeTraverser &cb) const
26{
27    cb(test_);
28    cb(consequent_);
29    cb(alternate_);
30}
31
32void ConditionalExpression::Dump(ir::AstDumper *dumper) const
33{
34    dumper->Add(
35        {{"type", "ConditionalExpression"}, {"test", test_}, {"consequent", consequent_}, {"alternate", alternate_}});
36}
37
38void ConditionalExpression::Compile(compiler::PandaGen *pg) const
39{
40    auto *falseLabel = pg->AllocLabel();
41    auto *endLabel = pg->AllocLabel();
42
43    compiler::Condition::Compile(pg, test_, falseLabel);
44    consequent_->Compile(pg);
45    pg->Branch(this, endLabel);
46    pg->SetLabel(this, falseLabel);
47    alternate_->Compile(pg);
48    pg->SetLabel(this, endLabel);
49}
50
51checker::Type *ConditionalExpression::Check(checker::Checker *checker) const
52{
53    checker::Type *testType = test_->Check(checker);
54
55    checker->CheckTruthinessOfType(testType, test_->Start());
56    checker->CheckTestingKnownTruthyCallableOrAwaitableType(test_, testType, consequent_);
57
58    checker::Type *consequentType = consequent_->Check(checker);
59    checker::Type *alternateType = alternate_->Check(checker);
60
61    return checker->CreateUnionType({consequentType, alternateType});
62}
63
64void ConditionalExpression::UpdateSelf(const NodeUpdater &cb, [[maybe_unused]] binder::Binder *binder)
65{
66    test_ = std::get<ir::AstNode *>(cb(test_))->AsExpression();
67    consequent_ = std::get<ir::AstNode *>(cb(consequent_))->AsExpression();
68    alternate_ = std::get<ir::AstNode *>(cb(alternate_))->AsExpression();
69}
70
71}  // namespace panda::es2panda::ir
72