Emily Bernier | d0a1eb7 | 2015-03-24 16:35:39 -0400 | [diff] [blame] | 1 | // Copyright 2014 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_THIS_ACCESS_VISITOR_H_ |
| 6 | #define V8_AST_THIS_ACCESS_VISITOR_H_ |
| 7 | #include "src/ast.h" |
| 8 | |
| 9 | namespace v8 { |
| 10 | namespace internal { |
| 11 | |
| 12 | class AstThisAccessVisitor : public AstVisitor { |
| 13 | public: |
| 14 | explicit AstThisAccessVisitor(Zone* zone); |
| 15 | |
| 16 | bool UsesThis() { return uses_this_; } |
| 17 | |
| 18 | #define DECLARE_VISIT(type) void Visit##type(type* node) OVERRIDE; |
| 19 | AST_NODE_LIST(DECLARE_VISIT) |
| 20 | #undef DECLARE_VISIT |
| 21 | |
| 22 | private: |
| 23 | bool uses_this_; |
| 24 | |
| 25 | void VisitIfNotNull(AstNode* node) { |
| 26 | if (node != NULL) Visit(node); |
| 27 | } |
| 28 | |
| 29 | DEFINE_AST_VISITOR_SUBCLASS_MEMBERS(); |
| 30 | DISALLOW_COPY_AND_ASSIGN(AstThisAccessVisitor); |
| 31 | }; |
| 32 | } |
| 33 | } // namespace v8::internal |
| 34 | #endif // V8_AST_THIS_ACCESS_VISITOR_H_ |