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author | Ben Murdoch <benm@google.com> | 2016-03-22 12:00:34 +0000 |
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committer | Ben Murdoch <benm@google.com> | 2016-04-05 15:27:36 +0100 |
commit | 014dc512cdd3e367bee49a713fdc5ed92584a3e5 (patch) | |
tree | 742b8bb81c9998b13f6a801f8e0bec6ae9a568c1 /src/parsing/rewriter.h | |
parent | 094c92c64194bd11593e915f372914dcfccf9dd2 (diff) | |
download | v8-014dc512cdd3e367bee49a713fdc5ed92584a3e5.tar.gz |
Upgrade V8 to version 4.9.385.28
https://chromium.googlesource.com/v8/v8/+/4.9.385.28
Change-Id: I4b2e74289d4bf3667f2f3dc8aa2e541f63e26eb4
Diffstat (limited to 'src/parsing/rewriter.h')
-rw-r--r-- | src/parsing/rewriter.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/src/parsing/rewriter.h b/src/parsing/rewriter.h new file mode 100644 index 00000000..477644a7 --- /dev/null +++ b/src/parsing/rewriter.h @@ -0,0 +1,36 @@ +// 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_ |