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_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/effects.h" |
| 12 | #include "src/type-info.h" |
| 13 | #include "src/types.h" |
| 14 | #include "src/zone.h" |
| 15 | |
| 16 | namespace v8 { |
| 17 | namespace internal { |
| 18 | |
| 19 | // A Visitor over a CompilationInfo's AST that invokes |
| 20 | // VisitExpression on each expression node. |
| 21 | |
| 22 | class AstExpressionVisitor : public AstVisitor { |
| 23 | public: |
| 24 | AstExpressionVisitor(Isolate* isolate, Expression* root); |
| 25 | AstExpressionVisitor(uintptr_t stack_limit, Expression* root); |
| 26 | void Run(); |
| 27 | |
| 28 | protected: |
| 29 | virtual void VisitExpression(Expression* expression) = 0; |
| 30 | int depth() { return depth_; } |
| 31 | |
| 32 | private: |
| 33 | void VisitDeclarations(ZoneList<Declaration*>* d) override; |
| 34 | void VisitStatements(ZoneList<Statement*>* s) override; |
| 35 | |
| 36 | DEFINE_AST_VISITOR_SUBCLASS_MEMBERS(); |
| 37 | |
| 38 | #define DECLARE_VISIT(type) void Visit##type(type* node) override; |
| 39 | AST_NODE_LIST(DECLARE_VISIT) |
| 40 | #undef DECLARE_VISIT |
| 41 | |
| 42 | Expression* root_; |
| 43 | int depth_; |
| 44 | |
| 45 | DISALLOW_COPY_AND_ASSIGN(AstExpressionVisitor); |
| 46 | }; |
| 47 | } // namespace internal |
| 48 | } // namespace v8 |
| 49 | |
| 50 | #endif // V8_AST_AST_EXPRESSION_VISITOR_H_ |