* We want to be able to find atoms and character classes without advancing th...

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 79 matching lines @@
   static Handle<Object> JsreExec(Handle<JSRegExp> regexp,
                                  Handle<String> subject,
                                  Handle<Object> index);
 
   static Handle<Object> JsreExecGlobal(Handle<JSRegExp> regexp,
                                        Handle<String> subject);
 
   static void NewSpaceCollectionPrologue();
   static void OldSpaceCollectionPrologue();
 
- private:
   // Converts a source string to a 16 bit flat string.  The string
   // will be either sequential or it will be a SlicedString backed
   // by a flat string.
   static Handle<String> StringToTwoByte(Handle<String> pattern);
   static Handle<String> CachedStringToTwoByte(Handle<String> pattern);
 
+ private:
   static String* last_ascii_string_;
   static String* two_byte_cached_string_;
 
   // Returns the caputure from the re.
   static int JsreCapture(Handle<JSRegExp> re);
   static ByteArray* JsreInternal(Handle<JSRegExp> re);
 
   // Call jsRegExpExecute once
   static Handle<Object> JsreExecOnce(Handle<JSRegExp> regexp,
                                      int num_captures,
@@ skipping 122 matching lines @@
     Key key_;
     Value value_;
     Node* left_;
     Node* right_;
   };
 
   // A locator provides access to a node in the tree without actually
   // exposing the node.
   class Locator {
    public:
-    Locator(Node* node) : node_(node) { }
+    explicit Locator(Node* node) : node_(node) { }
     Locator() : node_(NULL) { }
     const Key& key() { return node_->key_; }
     Value& value() { return node_->value_; }
     void set_value(const Value& value) { node_->value_ = value; }
     inline void bind(Node* node) { node_ = node; }
    private:
     Node* node_;
   };
 
   template <class Callback>
@@ skipping 95 matching lines @@
 };
 
 
 class RegExpEngine: public AllStatic {
  public:
   static RegExpNode* Compile(RegExpParseResult* input);
   static void DotPrint(const char* label, RegExpNode* node);
 };
 
 
+class RegExpCompiler;
+
+
+class RegExpNode: public ZoneObject {
+ public:
+  virtual ~RegExpNode() { }
+  virtual void Accept(NodeVisitor* visitor) = 0;
+  // Generates a goto to this node or actually generates the code at this point.
+  void GoTo(RegExpCompiler* compiler);
+  void EmitAddress(RegExpCompiler* compiler);
+  virtual void Emit(RegExpCompiler* compiler) = 0;
+ private:
+  Label label;
+};
+
+
 } }  // namespace v8::internal
 
 #endif  // V8_JSREGEXP_H_