Character range uncanonicalization.

src/jsregexp.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 162 matching lines @@
   // translation between position and utf8 position.
   static char* utf8_subject_cache_;
   static int utf8_length_cache_;
   static int utf8_position_;
   static int character_position_;
 };
 
 
 class CharacterRange {
  public:
+  CharacterRange() : from_(0), to_(0) { }
   // For compatibility with the CHECK_OK macro
   CharacterRange(void* null) { ASSERT_EQ(NULL, null); }  //NOLINT
   CharacterRange(uc16 from, uc16 to)
     : from_(from),
       to_(to) {
   }
   static void AddClassEscape(uc16 type, ZoneList<CharacterRange>* ranges);
   static inline CharacterRange Singleton(uc16 value) {
     return CharacterRange(value, value);
   }
   static inline CharacterRange Range(uc16 from, uc16 to) {
     ASSERT(from <= to);
     return CharacterRange(from, to);
   }
   static inline CharacterRange Everything() {
     return CharacterRange(0, 0xFFFF);
   }
   bool Contains(uc16 i) { return from_ <= i && i <= to_; }
   uc16 from() const { return from_; }
   void set_from(uc16 value) { from_ = value; }
   uc16 to() const { return to_; }
   void set_to(uc16 value) { to_ = value; }
   bool is_valid() { return from_ <= to_; }
   bool IsSingleton() { return (from_ == to_); }
+  void AddCaseEquivalents(ZoneList<CharacterRange>* ranges);
+  static const int kRangeCanonicalizeMax = 0x200;
+  static const int kStartMarker = (1 << 10);
+  static const int kPayloadMask = (1 << 10) - 1;
  private:
   uc16 from_;
   uc16 to_;
 };
 
 
 template <typename Node, class Callback>
 static void DoForEach(Node* node, Callback* callback);
 
 
@@ skipping 545 matching lines @@
   static Handle<FixedArray> Compile(RegExpParseResult* input,
                                     RegExpNode** node_return,
                                     bool ignore_case);
   static void DotPrint(const char* label, RegExpNode* node);
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_JSREGEXP_H_