Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 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 |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #ifndef V8_AST_AST_LITERAL_REINDEXER |
| 6 | #define V8_AST_AST_LITERAL_REINDEXER |
| 7 | |
| 8 | #include "src/ast/ast.h" |
| 9 | #include "src/ast/scopes.h" |
| 10 | |
| 11 | namespace v8 { |
| 12 | namespace internal { |
| 13 | |
| 14 | class AstLiteralReindexer final : public AstVisitor { |
| 15 | public: |
| 16 | AstLiteralReindexer() : AstVisitor(), next_index_(0) {} |
| 17 | |
| 18 | int count() const { return next_index_; } |
| 19 | void Reindex(Expression* pattern); |
| 20 | |
| 21 | private: |
| 22 | #define DEFINE_VISIT(type) void Visit##type(type* node) override; |
| 23 | AST_NODE_LIST(DEFINE_VISIT) |
| 24 | #undef DEFINE_VISIT |
| 25 | |
| 26 | void VisitStatements(ZoneList<Statement*>* statements) override; |
| 27 | void VisitDeclarations(ZoneList<Declaration*>* declarations) override; |
| 28 | void VisitArguments(ZoneList<Expression*>* arguments); |
| 29 | void VisitObjectLiteralProperty(ObjectLiteralProperty* property); |
| 30 | |
| 31 | void UpdateIndex(MaterializedLiteral* literal) { |
| 32 | literal->literal_index_ = next_index_++; |
| 33 | } |
| 34 | |
| 35 | void Visit(AstNode* node) override { node->Accept(this); } |
| 36 | |
| 37 | int next_index_; |
| 38 | |
| 39 | DISALLOW_COPY_AND_ASSIGN(AstLiteralReindexer); |
| 40 | }; |
| 41 | } // namespace internal |
| 42 | } // namespace v8 |
| 43 | |
| 44 | #endif // V8_AST_AST_LITERAL_REINDEXER |