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 "functionDeclaration.h"
17
18 #include <typescript/checker.h>
19 #include <ir/astDump.h>
20 #include <ir/base/scriptFunction.h>
21
22 namespace panda::es2panda::ir {
23
Iterate(const NodeTraverser & cb) const24 void FunctionDeclaration::Iterate(const NodeTraverser &cb) const
25 {
26 cb(func_);
27 }
28
Dump(ir::AstDumper * dumper) const29 void FunctionDeclaration::Dump(ir::AstDumper *dumper) const
30 {
31 dumper->Add({{"type", func_->IsOverload() ? "TSDeclareFunction" : "FunctionDeclaration"}, {"function", func_}});
32 }
33
Compile(compiler::PandaGen * pg) const34 void FunctionDeclaration::Compile([[maybe_unused]] compiler::PandaGen *pg) const {}
35
Check(checker::Checker * checker) const36 checker::Type *FunctionDeclaration::Check(checker::Checker *checker) const
37 {
38 if (func_->IsOverload()) {
39 return nullptr;
40 }
41
42 const util::StringView &funcName = func_->Id()->Name();
43 binder::ScopeFindResult result = checker->Scope()->Find(funcName);
44 ASSERT(result.variable);
45
46 checker::ScopeContext scopeCtx(checker, func_->Scope());
47
48 if (!result.variable->TsType()) {
49 checker->InferFunctionDeclarationType(result.variable->Declaration()->AsFunctionDecl(), result.variable);
50 }
51
52 func_->Body()->Check(checker);
53
54 return nullptr;
55 }
56
UpdateSelf(const NodeUpdater & cb,binder::Binder * binder)57 void FunctionDeclaration::UpdateSelf(const NodeUpdater &cb, [[maybe_unused]] binder::Binder *binder)
58 {
59 if (func_) {
60 func_ = std::get<ir::AstNode *>(cb(func_))->AsScriptFunction();
61 }
62 }
63
64 } // namespace panda::es2panda::ir
65