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 "variable.h"
17
18 #include "varbinder/scope.h"
19
20 #include <utility>
21
22 namespace panda::es2panda::varbinder {
LocalVariable(Decl * decl,VariableFlags flags)23 LocalVariable::LocalVariable(Decl *decl, VariableFlags flags) : Variable(decl, flags)
24 {
25 if (decl->IsConstDecl()) {
26 flags_ |= VariableFlags::READONLY;
27 }
28 }
29
LocalVariable(VariableFlags flags)30 LocalVariable::LocalVariable(VariableFlags flags) : Variable(flags) {}
31
Name() const32 const util::StringView &Variable::Name() const
33 {
34 return decl_->Name();
35 }
36
Copy(ArenaAllocator * allocator,Decl * decl) const37 LocalVariable *LocalVariable::Copy(ArenaAllocator *allocator, Decl *decl) const
38 {
39 auto *var = allocator->New<LocalVariable>(decl, flags_);
40 var->vreg_ = vreg_;
41 return var;
42 }
43
SetLexical(Scope * scope)44 void LocalVariable::SetLexical(Scope *scope)
45 {
46 if (LexicalBound()) {
47 return;
48 }
49
50 VariableScope *varScope = scope->EnclosingVariableScope();
51
52 BindLexEnvSlot(varScope->NextSlot());
53 }
54
SetLexical(Scope * scope)55 void GlobalVariable::SetLexical([[maybe_unused]] Scope *scope) {}
SetLexical(Scope * scope)56 void ModuleVariable::SetLexical([[maybe_unused]] Scope *scope) {}
SetLexical(Scope * scope)57 void EnumVariable::SetLexical([[maybe_unused]] Scope *scope) {}
58
ResetDecl(Decl * decl)59 void EnumVariable::ResetDecl(Decl *decl)
60 {
61 decl_ = decl;
62 }
63 } // namespace panda::es2panda::varbinder
64