Merged bleeding_edge -r 685:746 into regexp2000.

src/ast.h

 // Copyright 2006-2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 1198 matching lines @@
 #undef FORWARD_DECLARE
 
 
 class RegExpTree: public ZoneObject {
  public:
   virtual ~RegExpTree() { }
   virtual void* Accept(RegExpVisitor* visitor, void* data) = 0;
   virtual RegExpNode* ToNode(RegExpCompiler* compiler,
                              RegExpNode* on_success,
                              RegExpNode* on_failure) = 0;
-  SmartPointer<char> ToString();
+  SmartPointer<const char> ToString();
 #define MAKE_ASTYPE(Name)  virtual RegExp##Name* As##Name();
   FOR_EACH_REG_EXP_NODE_TYPE(MAKE_ASTYPE)
 #undef MAKE_ASTYPE
 };
 
 
 class RegExpDisjunction: public RegExpTree {
  public:
   explicit RegExpDisjunction(ZoneList<RegExpTree*>* nodes) : nodes_(nodes) { }
   virtual void* Accept(RegExpVisitor* visitor, void* data);
@@ skipping 211 matching lines @@
 #undef DEF_VISIT
 
  private:
   bool stack_overflow_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_AST_H_