--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/anagram/agcore/symbol.h	Sat Dec 22 17:52:45 2007 -0500
@@ -0,0 +1,65 @@
+/*
+ * AnaGram, A System for Syntax Directed Programming
+ * Copyright 1993-2002 Parsifal Software. All Rights Reserved.
+ * See the file COPYING for license and usage terms.
+ *
+ * symbol.h
+ */
+
+#ifndef SYMBOL_H
+#define SYMBOL_H
+
+#include "register.h"
+
+
+class SymbolDescriptor; // below
+
+class Symbol : public KeyedObjectRegister<SymbolDescriptor> {
+public:
+  Symbol() {}
+  Symbol(const char *x);
+  Symbol(unsigned x);
+  Symbol(const Symbol &t);
+  static void reset();
+  static Symbol create();
+  static Symbol sorted(int x);
+
+  class Map;
+  friend class Map;
+
+  class Map {
+  public:
+    SymbolDescriptor &operator [] (unsigned x);
+  };
+
+  class Dict {
+  public:
+    Symbol add_string(const char *s);
+  };
+};
+
+#include "agstring.h"
+#include "token.h"
+#include "tree.h"
+
+class SymbolDescriptor {
+public:
+  AgString string;
+  Token token_number;
+  unsigned token_list_id;
+  ParseTree parse_tree;
+
+  SymbolDescriptor();
+  SymbolDescriptor(const char *s);
+  int operator < (const SymbolDescriptor &d) const;
+};
+
+extern Symbol::Map map_token_name;
+extern Symbol::Dict tkn_dict;
+
+typedef SymbolDescriptor token_name_map;
+
+Symbol add_string_dict(const char *s, Symbol::Dict &d);
+
+
+#endif /* SYMBOL_H */