Add spread rewriting

src/parsing/parser.h

 // Copyright 2012 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_PARSER_H_
 #define V8_PARSING_PARSER_H_
 
 #include "src/allocation.h"
 #include "src/ast/ast.h"
 #include "src/ast/scopes.h"
@@ skipping 1248 matching lines @@
   Expression* SpreadCall(Expression* function,
                          ZoneList<v8::internal::Expression*>* args, int pos);
   Expression* SpreadCallNew(Expression* function,
                             ZoneList<v8::internal::Expression*>* args, int pos);
 
   void SetLanguageMode(Scope* scope, LanguageMode mode);
   void RaiseLanguageMode(LanguageMode mode);
 
   V8_INLINE void RewriteDestructuringAssignments();
 
+  friend class SpreadRewriter;
+  V8_INLINE Expression* RewriteSpreads(ArrayLiteral* lit);
+
   V8_INLINE Expression* RewriteExpression(Expression* expr);
   V8_INLINE ObjectLiteralProperty* RewriteObjectLiteralProperty(
       ObjectLiteralProperty* property);
 
   friend class InitializerRewriter;
   void RewriteParameterInitializer(Expression* expr, Scope* scope);
 
   Scanner scanner_;
   PreParser* reusable_preparser_;
   Scope* original_scope_;  // for ES5 function declarations in sloppy eval
@@ skipping 180 matching lines @@
 
 DoExpression* ParserTraits::ParseDoExpression(bool* ok) {
   return parser_->ParseDoExpression(ok);
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_PARSING_PARSER_H_