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 "tsFunctionType.h"
17
18 #include <binder/binder.h>
19 #include <binder/scope.h>
20 #include <typescript/checker.h>
21 #include <typescript/types/signature.h>
22 #include <ir/astDump.h>
23 #include <ir/ts/tsTypeParameter.h>
24 #include <ir/ts/tsTypeParameterDeclaration.h>
25
26 namespace panda::es2panda::ir {
27
Iterate(const NodeTraverser & cb) const28 void TSFunctionType::Iterate(const NodeTraverser &cb) const
29 {
30 if (typeParams_) {
31 cb(typeParams_);
32 }
33
34 for (auto *it : params_) {
35 cb(it);
36 }
37
38 cb(returnType_);
39 }
40
Dump(ir::AstDumper * dumper) const41 void TSFunctionType::Dump(ir::AstDumper *dumper) const
42 {
43 dumper->Add({{"type", "TSFunctionType"},
44 {"params", params_},
45 {"typeParameters", AstDumper::Optional(typeParams_)},
46 {"returnType", returnType_}});
47 }
48
Compile(compiler::PandaGen * pg) const49 void TSFunctionType::Compile([[maybe_unused]] compiler::PandaGen *pg) const {}
50
Check(checker::Checker * checker) const51 checker::Type *TSFunctionType::Check(checker::Checker *checker) const
52 {
53 checker::ScopeContext scopeCtx(checker, scope_);
54
55 auto *signatureInfo = checker->Allocator()->New<checker::SignatureInfo>(checker->Allocator());
56 checker->CheckFunctionParameterDeclarations(params_, signatureInfo);
57 returnType_->Check(checker);
58 auto *callSignature =
59 checker->Allocator()->New<checker::Signature>(signatureInfo, returnType_->AsTypeNode()->GetType(checker));
60
61 return checker->CreateFunctionTypeWithSignature(callSignature);
62 }
63
GetType(checker::Checker * checker) const64 checker::Type *TSFunctionType::GetType(checker::Checker *checker) const
65 {
66 return checker->CheckTypeCached(this);
67 }
68
UpdateSelf(const NodeUpdater & cb,binder::Binder * binder)69 void TSFunctionType::UpdateSelf(const NodeUpdater &cb, binder::Binder *binder)
70 {
71 auto scopeCtx = binder::LexicalScope<binder::Scope>::Enter(binder, scope_);
72
73 if (typeParams_) {
74 typeParams_ = std::get<ir::AstNode *>(cb(typeParams_))->AsTSTypeParameterDeclaration();
75 }
76
77 for (auto iter = params_.begin(); iter != params_.end(); iter++) {
78 *iter = std::get<ir::AstNode *>(cb(*iter))->AsExpression();
79 }
80
81 returnType_ = std::get<ir::AstNode *>(cb(returnType_))->AsExpression();
82 }
83
84 } // namespace panda::es2panda::ir
85