| // Copyright 2015 the V8 project authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef V8_AST_AST_EXPRESSION_REWRITER_H_ |
| #define V8_AST_AST_EXPRESSION_REWRITER_H_ |
| |
| #include "src/allocation.h" |
| #include "src/ast/ast.h" |
| #include "src/ast/scopes.h" |
| #include "src/type-info.h" |
| #include "src/zone.h" |
| |
| namespace v8 { |
| namespace internal { |
| |
| // A rewriting Visitor over a CompilationInfo's AST that invokes |
| // VisitExpression on each expression node. |
| |
| class AstExpressionRewriter : public AstVisitor { |
| public: |
| explicit AstExpressionRewriter(Isolate* isolate) : AstVisitor() { |
| InitializeAstRewriter(isolate); |
| } |
| explicit AstExpressionRewriter(uintptr_t stack_limit) : AstVisitor() { |
| InitializeAstRewriter(stack_limit); |
| } |
| ~AstExpressionRewriter() override {} |
| |
| void VisitDeclarations(ZoneList<Declaration*>* declarations) override; |
| void VisitStatements(ZoneList<Statement*>* statements) override; |
| void VisitExpressions(ZoneList<Expression*>* expressions) override; |
| |
| virtual void VisitObjectLiteralProperty(ObjectLiteralProperty* property); |
| |
| protected: |
| virtual bool RewriteExpression(Expression* expr) = 0; |
| |
| private: |
| DEFINE_AST_REWRITER_SUBCLASS_MEMBERS(); |
| |
| #define DECLARE_VISIT(type) void Visit##type(type* node) override; |
| AST_NODE_LIST(DECLARE_VISIT) |
| #undef DECLARE_VISIT |
| |
| DISALLOW_COPY_AND_ASSIGN(AstExpressionRewriter); |
| }; |
| |
| } // namespace internal |
| } // namespace v8 |
| |
| #endif // V8_AST_AST_EXPRESSION_REWRITER_H_ |