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_EXPRESSION_VISITOR_H_ 6 #define V8_AST_AST_EXPRESSION_VISITOR_H_ 7 8 #include "src/allocation.h" 9 #include "src/ast/ast.h" 10 #include "src/ast/scopes.h" 11 #include "src/type-info.h" 12 #include "src/zone.h" 13 14 namespace v8 { 15 namespace internal { 16 17 // A Visitor over a CompilationInfo's AST that invokes 18 // VisitExpression on each expression node. 19 20 class AstExpressionVisitor : public AstTraversalVisitor { 21 public: 22 AstExpressionVisitor(Isolate* isolate, Expression* root); 23 AstExpressionVisitor(uintptr_t stack_limit, Expression* root); 24 void Run(); 25 26 protected: 27 virtual void VisitExpression(Expression* expression) = 0; 28 29 private: 30 #define DECLARE_VISIT(type) void Visit##type(type* node) override; 31 EXPRESSION_NODE_LIST(DECLARE_VISIT) 32 #undef DECLARE_VISIT 33 34 Expression* root_; 35 36 DISALLOW_COPY_AND_ASSIGN(AstExpressionVisitor); 37 }; 38 } // namespace internal 39 } // namespace v8 40 41 #endif // V8_AST_AST_EXPRESSION_VISITOR_H_ 42
