1 files changed, 30 insertions, 0 deletions
diff --git a/JavaScriptCore/yarr/RegexPattern.h b/JavaScriptCore/yarr/RegexPattern.h
index eecbd43..be31fcd 100644
--- a/JavaScriptCore/yarr/RegexPattern.h
+++ b/JavaScriptCore/yarr/RegexPattern.h
@@ -1,5 +1,6 @@
 /*
  * Copyright (C) 2009 Apple Inc. All rights reserved.
+ * Copyright (C) 2010 Peter Varga (pvarga@inf.u-szeged.hu), University of Szeged
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -283,11 +284,36 @@ CharacterClass* nondigitsCreate();
 CharacterClass* nonspacesCreate();
 CharacterClass* nonwordcharCreate();
 
+struct TermChain {
+    TermChain(PatternTerm term)
+        : term(term)
+    {}
+
+    PatternTerm term;
+    Vector<TermChain> hotTerms;
+};
+
+struct BeginChar {
+    BeginChar()
+        : value(0)
+        , mask(0)
+    {}
+
+    BeginChar(unsigned value, unsigned mask)
+        : value(value)
+        , mask(mask)
+    {}
+
+    unsigned value;
+    unsigned mask;
+};
+
 struct RegexPattern {
     RegexPattern(bool ignoreCase, bool multiline)
         : m_ignoreCase(ignoreCase)
         , m_multiline(multiline)
         , m_containsBackreferences(false)
+        , m_containsBeginChars(false)
         , m_containsBOL(false)
         , m_numSubpatterns(0)
         , m_maxBackReference(0)
@@ -313,6 +339,7 @@ struct RegexPattern {
         m_maxBackReference = 0;
 
         m_containsBackreferences = false;
+        m_containsBeginChars = false;
         m_containsBOL = false;
 
         newlineCached = 0;
@@ -327,6 +354,7 @@ struct RegexPattern {
         m_disjunctions.clear();
         deleteAllValues(m_userCharacterClasses);
         m_userCharacterClasses.clear();
+        m_beginChars.clear();
     }
 
     bool containsIllegalBackReference()
@@ -380,12 +408,14 @@ struct RegexPattern {
     bool m_ignoreCase : 1;
     bool m_multiline : 1;
     bool m_containsBackreferences : 1;
+    bool m_containsBeginChars : 1;
     bool m_containsBOL : 1;
     unsigned m_numSubpatterns;
     unsigned m_maxBackReference;
     PatternDisjunction* m_body;
     Vector<PatternDisjunction*, 4> m_disjunctions;
     Vector<CharacterClass*> m_userCharacterClasses;
+    Vector<BeginChar> m_beginChars;
 
 private:
     CharacterClass* newlineCached;