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 45
