| // Copyright 2011 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_PARSING_REWRITER_H_ |
| #define V8_PARSING_REWRITER_H_ |
| |
| namespace v8 { |
| namespace internal { |
| |
| class AstValueFactory; |
| class DoExpression; |
| class ParseInfo; |
| class Parser; |
| |
| class Rewriter { |
| public: |
| // Rewrite top-level code (ECMA 262 "programs") so as to conservatively |
| // include an assignment of the value of the last statement in the code to |
| // a compiler-generated temporary variable wherever needed. |
| // |
| // Assumes code has been parsed and scopes have been analyzed. Mutates the |
| // AST, so the AST should not continue to be used in the case of failure. |
| static bool Rewrite(ParseInfo* info); |
| |
| // Rewrite a list of statements, using the same rules as a top-level program, |
| // to ensure identical behaviour of completion result. |
| static bool Rewrite(Parser* parser, DoExpression* expr, |
| AstValueFactory* factory); |
| }; |
| |
| |
| } // namespace internal |
| } // namespace v8 |
| |
| #endif // V8_PARSING_REWRITER_H_ |