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1 // Copyright 2015 the V8 project authors. All rights reserved. | 1 // Copyright 2015 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef V8_AST_AST_LITERAL_REINDEXER | 5 #ifndef V8_AST_AST_LITERAL_REINDEXER |
6 #define V8_AST_AST_LITERAL_REINDEXER | 6 #define V8_AST_AST_LITERAL_REINDEXER |
7 | 7 |
8 #include "src/ast/ast.h" | 8 #include "src/ast/ast.h" |
9 #include "src/ast/scopes.h" | 9 #include "src/ast/scopes.h" |
10 | 10 |
11 namespace v8 { | 11 namespace v8 { |
12 namespace internal { | 12 namespace internal { |
13 | 13 |
14 class AstLiteralReindexer final : public AstVisitor { | 14 class AstLiteralReindexer final : public AstVisitor { |
15 public: | 15 public: |
16 AstLiteralReindexer() : AstVisitor(), next_index_(0) {} | 16 AstLiteralReindexer() : AstVisitor(), next_index_(0) {} |
17 | 17 |
18 int count() const { return next_index_; } | 18 int count() const { return next_index_; } |
19 void Reindex(Expression* pattern); | 19 void Reindex(Expression* pattern); |
20 int NextIndex() { return next_index_++; } | |
21 | 20 |
22 private: | 21 private: |
23 #define DEFINE_VISIT(type) void Visit##type(type* node) override; | 22 #define DEFINE_VISIT(type) void Visit##type(type* node) override; |
24 AST_NODE_LIST(DEFINE_VISIT) | 23 AST_NODE_LIST(DEFINE_VISIT) |
25 #undef DEFINE_VISIT | 24 #undef DEFINE_VISIT |
26 | 25 |
27 void VisitStatements(ZoneList<Statement*>* statements) override; | 26 void VisitStatements(ZoneList<Statement*>* statements) override; |
28 void VisitDeclarations(ZoneList<Declaration*>* declarations) override; | 27 void VisitDeclarations(ZoneList<Declaration*>* declarations) override; |
29 void VisitArguments(ZoneList<Expression*>* arguments); | 28 void VisitArguments(ZoneList<Expression*>* arguments); |
30 void VisitObjectLiteralProperty(ObjectLiteralProperty* property); | 29 void VisitObjectLiteralProperty(ObjectLiteralProperty* property); |
31 | 30 |
32 void UpdateIndex(MaterializedLiteral* literal) { | 31 void UpdateIndex(MaterializedLiteral* literal) { |
33 literal->literal_index_ = next_index_++; | 32 literal->literal_index_ = next_index_++; |
34 } | 33 } |
35 | 34 |
36 void Visit(AstNode* node) override { node->Accept(this); } | 35 void Visit(AstNode* node) override { node->Accept(this); } |
37 | 36 |
38 int next_index_; | 37 int next_index_; |
39 | 38 |
40 DISALLOW_COPY_AND_ASSIGN(AstLiteralReindexer); | 39 DISALLOW_COPY_AND_ASSIGN(AstLiteralReindexer); |
41 }; | 40 }; |
42 } // namespace internal | 41 } // namespace internal |
43 } // namespace v8 | 42 } // namespace v8 |
44 | 43 |
45 #endif // V8_AST_AST_LITERAL_REINDEXER | 44 #endif // V8_AST_AST_LITERAL_REINDEXER |
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