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 "templateLiteral.h"
17
18 #include <compiler/core/pandagen.h>
19 #include <typescript/checker.h>
20 #include <ir/astDump.h>
21
22 namespace panda::es2panda::ir {
23
Iterate(const NodeTraverser & cb) const24 void TemplateLiteral::Iterate(const NodeTraverser &cb) const
25 {
26 for (auto *it : expressions_) {
27 cb(it);
28 }
29
30 for (auto *it : quasis_) {
31 cb(it);
32 }
33 }
34
Dump(ir::AstDumper * dumper) const35 void TemplateLiteral::Dump(ir::AstDumper *dumper) const
36 {
37 dumper->Add({{"type", "TemplateLiteral"}, {"expressions", expressions_}, {"quasis", quasis_}});
38 }
39
Compile(compiler::PandaGen * pg) const40 void TemplateLiteral::Compile(compiler::PandaGen *pg) const
41 {
42 auto quasisIt = quasis_.begin();
43 auto expressionIt = expressions_.begin();
44
45 pg->LoadAccumulatorString(this, (*quasisIt)->Cooked());
46
47 quasisIt++;
48
49 bool isQuais = false;
50 size_t total = quasis_.size() + expressions_.size();
51
52 compiler::RegScope rs(pg);
53 compiler::VReg lhs = pg->AllocReg();
54
55 while (total != 1) {
56 const ir::AstNode *node = nullptr;
57
58 if (isQuais) {
59 pg->StoreAccumulator(*quasisIt, lhs);
60 pg->LoadAccumulatorString(this, (*quasisIt)->Cooked());
61
62 node = *quasisIt;
63 quasisIt++;
64 } else {
65 const ir::Expression *element = *expressionIt;
66 pg->StoreAccumulator(element, lhs);
67
68 element->Compile(pg);
69
70 node = element;
71 expressionIt++;
72 }
73
74 pg->Binary(node, lexer::TokenType::PUNCTUATOR_PLUS, lhs);
75
76 isQuais = !isQuais;
77 total--;
78 }
79 }
80
Check(checker::Checker * checker) const81 checker::Type *TemplateLiteral::Check(checker::Checker *checker) const
82 {
83 // TODO(aszilagyi)
84 return checker->GlobalAnyType();
85 }
86
UpdateSelf(const NodeUpdater & cb,binder::Binder * binder)87 void TemplateLiteral::UpdateSelf(const NodeUpdater &cb, [[maybe_unused]] binder::Binder *binder)
88 {
89 for (auto iter = expressions_.begin(); iter != expressions_.end(); iter++) {
90 *iter = std::get<ir::AstNode *>(cb(*iter))->AsExpression();
91 }
92
93 for (auto iter = quasis_.begin(); iter != quasis_.end(); iter++) {
94 *iter = std::get<ir::AstNode *>(cb(*iter))->AsTemplateElement();
95 }
96 }
97
98 } // namespace panda::es2panda::ir
99