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 "yieldExpression.h"
17
18#include <compiler/core/pandagen.h>
19#include <compiler/function/generatorFunctionBuilder.h>
20#include <typescript/checker.h>
21#include <ir/astDump.h>
22
23namespace panda::es2panda::ir {
24
25void YieldExpression::Iterate(const NodeTraverser &cb) const
26{
27    if (argument_) {
28        cb(argument_);
29    }
30}
31
32void YieldExpression::Dump(ir::AstDumper *dumper) const
33{
34    dumper->Add({{"type", "YieldExpression"}, {"delegate", delegate_}, {"argument", AstDumper::Nullable(argument_)}});
35}
36
37void YieldExpression::Compile(compiler::PandaGen *pg) const
38{
39    compiler::RegScope rs(pg);
40
41    if (argument_) {
42        argument_->Compile(pg);
43    } else {
44        pg->LoadConst(this, compiler::Constant::JS_UNDEFINED);
45    }
46
47    if (delegate_) {
48        ASSERT(argument_);
49        pg->FuncBuilder()->YieldStar(this);
50    } else {
51        pg->FuncBuilder()->Yield(this);
52    }
53}
54
55checker::Type *YieldExpression::Check(checker::Checker *checker) const
56{
57    // TODO(aszilagyi)
58    return checker->GlobalAnyType();
59}
60
61void YieldExpression::UpdateSelf(const NodeUpdater &cb, [[maybe_unused]] binder::Binder *binder)
62{
63    if (argument_) {
64        argument_ = std::get<ir::AstNode *>(cb(argument_))->AsExpression();
65    }
66}
67
68}  // namespace panda::es2panda::ir
69