diff --git a/contrib/MathEval/parser.tab.cpp b/contrib/MathEval/parser.tab.cpp
index 87a34199c06f63a91ae287b45dc68b799230da59..0c486588f702c26a6e82f048acd3b12faf1c5dab 100644
--- a/contrib/MathEval/parser.tab.cpp
+++ b/contrib/MathEval/parser.tab.cpp
@@ -1,21 +1,95 @@
+/* A Bison parser, made by GNU Bison 2.3.  */
 
-/*  A Bison parser, made from parser.y
-    by GNU Bison version 1.28  */
+/* Skeleton implementation for Bison's Yacc-like parsers in C
 
-#define YYBISON 1  /* Identify Bison output.  */
+   Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006
+   Free Software Foundation, Inc.
 
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2, or (at your option)
+   any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301, USA.  */
+
+/* As a special exception, you may create a larger work that contains
+   part or all of the Bison parser skeleton and distribute that work
+   under terms of your choice, so long as that work isn't itself a
+   parser generator using the skeleton or a modified version thereof
+   as a parser skeleton.  Alternatively, if you modify or redistribute
+   the parser skeleton itself, you may (at your option) remove this
+   special exception, which will cause the skeleton and the resulting
+   Bison output files to be licensed under the GNU General Public
+   License without this special exception.
+
+   This special exception was added by the Free Software Foundation in
+   version 2.2 of Bison.  */
+
+/* C LALR(1) parser skeleton written by Richard Stallman, by
+   simplifying the original so-called "semantic" parser.  */
+
+/* All symbols defined below should begin with yy or YY, to avoid
+   infringing on user name space.  This should be done even for local
+   variables, as they might otherwise be expanded by user macros.
+   There are some unavoidable exceptions within include files to
+   define necessary library symbols; they are noted "INFRINGES ON
+   USER NAME SPACE" below.  */
+
+/* Identify Bison output.  */
+#define YYBISON 1
+
+/* Bison version.  */
+#define YYBISON_VERSION "2.3"
+
+/* Skeleton name.  */
+#define YYSKELETON_NAME "yacc.c"
+
+/* Pure parsers.  */
+#define YYPURE 0
+
+/* Using locations.  */
+#define YYLSP_NEEDED 0
+
+/* Substitute the variable and function names.  */
 #define yyparse meparse
-#define yylex melex
+#define yylex   melex
 #define yyerror meerror
-#define yylval melval
-#define yychar mechar
+#define yylval  melval
+#define yychar  mechar
 #define yydebug medebug
 #define yynerrs menerrs
-#define	NUMBER	257
-#define	VARIABLE	258
-#define	FUNCTION	259
-#define	NEG	260
 
+
+/* Tokens.  */
+#ifndef YYTOKENTYPE
+# define YYTOKENTYPE
+   /* Put the tokens into the symbol table, so that GDB and other debuggers
+      know about them.  */
+   enum yytokentype {
+     NUMBER = 258,
+     VARIABLE = 259,
+     FUNCTION = 260,
+     NEG = 261
+   };
+#endif
+/* Tokens.  */
+#define NUMBER 258
+#define VARIABLE 259
+#define FUNCTION 260
+#define NEG 261
+
+
+
+
+/* Copy the first part of user declarations.  */
 #line 1 "parser.y"
 
 /*
@@ -62,430 +136,1053 @@ int yylex (void);
 void force_buffer_flush(void);
 
 
+
+/* Enabling traces.  */
+#ifndef YYDEBUG
+# define YYDEBUG 0
+#endif
+
+/* Enabling verbose error messages.  */
+#ifdef YYERROR_VERBOSE
+# undef YYERROR_VERBOSE
+# define YYERROR_VERBOSE 1
+#else
+# define YYERROR_VERBOSE 0
+#endif
+
+/* Enabling the token table.  */
+#ifndef YYTOKEN_TABLE
+# define YYTOKEN_TABLE 0
+#endif
+
+#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
+typedef union YYSTYPE
 #line 48 "parser.y"
-typedef union {
+{
   Node *node;
   Record *record;
-} YYSTYPE;
-#include <stdio.h>
-
-#ifndef __cplusplus
-#ifndef __STDC__
-#define const
+}
+/* Line 193 of yacc.c.  */
+#line 167 "parser.tab.cpp"
+	YYSTYPE;
+# define yystype YYSTYPE /* obsolescent; will be withdrawn */
+# define YYSTYPE_IS_DECLARED 1
+# define YYSTYPE_IS_TRIVIAL 1
 #endif
+
+
+
+/* Copy the second part of user declarations.  */
+
+
+/* Line 216 of yacc.c.  */
+#line 180 "parser.tab.cpp"
+
+#ifdef short
+# undef short
 #endif
 
+#ifdef YYTYPE_UINT8
+typedef YYTYPE_UINT8 yytype_uint8;
+#else
+typedef unsigned char yytype_uint8;
+#endif
 
+#ifdef YYTYPE_INT8
+typedef YYTYPE_INT8 yytype_int8;
+#elif (defined __STDC__ || defined __C99__FUNC__ \
+     || defined __cplusplus || defined _MSC_VER)
+typedef signed char yytype_int8;
+#else
+typedef short int yytype_int8;
+#endif
 
-#define	YYFINAL		26
-#define	YYFLAG		-32768
-#define	YYNTBASE	15
-
-#define YYTRANSLATE(x) ((unsigned)(x) <= 260 ? yytranslate[x] : 17)
-
-static const char yytranslate[] = {     0,
-     2,     2,     2,     2,     2,     2,     2,     2,     2,    12,
-     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
-     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
-     2,     2,     2,     2,     2,     2,     2,     2,     2,    13,
-    14,     8,     7,     2,     6,     2,     9,     2,     2,     2,
-     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
-     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
-     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
-     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
-     2,     2,     2,    11,     2,     2,     2,     2,     2,     2,
-     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
-     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
-     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
-     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
-     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
-     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
-     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
-     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
-     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
-     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
-     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
-     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
-     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
-     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
-     2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
-     2,     2,     2,     2,     2,     1,     3,     4,     5,    10
-};
+#ifdef YYTYPE_UINT16
+typedef YYTYPE_UINT16 yytype_uint16;
+#else
+typedef unsigned short int yytype_uint16;
+#endif
 
-#if YYDEBUG != 0
-static const short yyprhs[] = {     0,
-     0,     3,     5,     7,    11,    15,    19,    23,    26,    30,
-    35
-};
+#ifdef YYTYPE_INT16
+typedef YYTYPE_INT16 yytype_int16;
+#else
+typedef short int yytype_int16;
+#endif
 
-static const short yyrhs[] = {    16,
-    12,     0,     3,     0,     4,     0,    16,     7,    16,     0,
-    16,     6,    16,     0,    16,     8,    16,     0,    16,     9,
-    16,     0,     6,    16,     0,    16,    11,    16,     0,     5,
-    13,    16,    14,     0,    13,    16,    14,     0
-};
+#ifndef YYSIZE_T
+# ifdef __SIZE_TYPE__
+#  define YYSIZE_T __SIZE_TYPE__
+# elif defined size_t
+#  define YYSIZE_T size_t
+# elif ! defined YYSIZE_T && (defined __STDC__ || defined __C99__FUNC__ \
+     || defined __cplusplus || defined _MSC_VER)
+#  include <stddef.h> /* INFRINGES ON USER NAME SPACE */
+#  define YYSIZE_T size_t
+# else
+#  define YYSIZE_T unsigned int
+# endif
+#endif
 
+#define YYSIZE_MAXIMUM ((YYSIZE_T) -1)
+
+#ifndef YY_
+# if defined YYENABLE_NLS && YYENABLE_NLS
+#  if ENABLE_NLS
+#   include <libintl.h> /* INFRINGES ON USER NAME SPACE */
+#   define YY_(msgid) dgettext ("bison-runtime", msgid)
+#  endif
+# endif
+# ifndef YY_
+#  define YY_(msgid) msgid
+# endif
 #endif
 
-#if YYDEBUG != 0
-static const short yyrline[] = { 0,
-    71,    78,    81,    84,    88,    92,    96,   100,   104,   108,
-   112
-};
+/* Suppress unused-variable warnings by "using" E.  */
+#if ! defined lint || defined __GNUC__
+# define YYUSE(e) ((void) (e))
+#else
+# define YYUSE(e) /* empty */
 #endif
 
+/* Identity function, used to suppress warnings about constant conditions.  */
+#ifndef lint
+# define YYID(n) (n)
+#else
+#if (defined __STDC__ || defined __C99__FUNC__ \
+     || defined __cplusplus || defined _MSC_VER)
+static int
+YYID (int i)
+#else
+static int
+YYID (i)
+    int i;
+#endif
+{
+  return i;
+}
+#endif
 
-#if YYDEBUG != 0 || defined (YYERROR_VERBOSE)
+#if ! defined yyoverflow || YYERROR_VERBOSE
+
+/* The parser invokes alloca or malloc; define the necessary symbols.  */
+
+# ifdef YYSTACK_USE_ALLOCA
+#  if YYSTACK_USE_ALLOCA
+#   ifdef __GNUC__
+#    define YYSTACK_ALLOC __builtin_alloca
+#   elif defined __BUILTIN_VA_ARG_INCR
+#    include <alloca.h> /* INFRINGES ON USER NAME SPACE */
+#   elif defined _AIX
+#    define YYSTACK_ALLOC __alloca
+#   elif defined _MSC_VER
+#    include <malloc.h> /* INFRINGES ON USER NAME SPACE */
+#    define alloca _alloca
+#   else
+#    define YYSTACK_ALLOC alloca
+#    if ! defined _ALLOCA_H && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \
+     || defined __cplusplus || defined _MSC_VER)
+#     include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
+#     ifndef _STDLIB_H
+#      define _STDLIB_H 1
+#     endif
+#    endif
+#   endif
+#  endif
+# endif
+
+# ifdef YYSTACK_ALLOC
+   /* Pacify GCC's `empty if-body' warning.  */
+#  define YYSTACK_FREE(Ptr) do { /* empty */; } while (YYID (0))
+#  ifndef YYSTACK_ALLOC_MAXIMUM
+    /* The OS might guarantee only one guard page at the bottom of the stack,
+       and a page size can be as small as 4096 bytes.  So we cannot safely
+       invoke alloca (N) if N exceeds 4096.  Use a slightly smaller number
+       to allow for a few compiler-allocated temporary stack slots.  */
+#   define YYSTACK_ALLOC_MAXIMUM 4032 /* reasonable circa 2006 */
+#  endif
+# else
+#  define YYSTACK_ALLOC YYMALLOC
+#  define YYSTACK_FREE YYFREE
+#  ifndef YYSTACK_ALLOC_MAXIMUM
+#   define YYSTACK_ALLOC_MAXIMUM YYSIZE_MAXIMUM
+#  endif
+#  if (defined __cplusplus && ! defined _STDLIB_H \
+       && ! ((defined YYMALLOC || defined malloc) \
+	     && (defined YYFREE || defined free)))
+#   include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
+#   ifndef _STDLIB_H
+#    define _STDLIB_H 1
+#   endif
+#  endif
+#  ifndef YYMALLOC
+#   define YYMALLOC malloc
+#   if ! defined malloc && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \
+     || defined __cplusplus || defined _MSC_VER)
+void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */
+#   endif
+#  endif
+#  ifndef YYFREE
+#   define YYFREE free
+#   if ! defined free && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \
+     || defined __cplusplus || defined _MSC_VER)
+void free (void *); /* INFRINGES ON USER NAME SPACE */
+#   endif
+#  endif
+# endif
+#endif /* ! defined yyoverflow || YYERROR_VERBOSE */
+
+
+#if (! defined yyoverflow \
+     && (! defined __cplusplus \
+	 || (defined YYSTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL)))
+
+/* A type that is properly aligned for any stack member.  */
+union yyalloc
+{
+  yytype_int16 yyss;
+  YYSTYPE yyvs;
+  };
+
+/* The size of the maximum gap between one aligned stack and the next.  */
+# define YYSTACK_GAP_MAXIMUM (sizeof (union yyalloc) - 1)
+
+/* The size of an array large to enough to hold all stacks, each with
+   N elements.  */
+# define YYSTACK_BYTES(N) \
+     ((N) * (sizeof (yytype_int16) + sizeof (YYSTYPE)) \
+      + YYSTACK_GAP_MAXIMUM)
+
+/* Copy COUNT objects from FROM to TO.  The source and destination do
+   not overlap.  */
+# ifndef YYCOPY
+#  if defined __GNUC__ && 1 < __GNUC__
+#   define YYCOPY(To, From, Count) \
+      __builtin_memcpy (To, From, (Count) * sizeof (*(From)))
+#  else
+#   define YYCOPY(To, From, Count)		\
+      do					\
+	{					\
+	  YYSIZE_T yyi;				\
+	  for (yyi = 0; yyi < (Count); yyi++)	\
+	    (To)[yyi] = (From)[yyi];		\
+	}					\
+      while (YYID (0))
+#  endif
+# endif
+
+/* Relocate STACK from its old location to the new one.  The
+   local variables YYSIZE and YYSTACKSIZE give the old and new number of
+   elements in the stack, and YYPTR gives the new location of the
+   stack.  Advance YYPTR to a properly aligned location for the next
+   stack.  */
+# define YYSTACK_RELOCATE(Stack)					\
+    do									\
+      {									\
+	YYSIZE_T yynewbytes;						\
+	YYCOPY (&yyptr->Stack, Stack, yysize);				\
+	Stack = &yyptr->Stack;						\
+	yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \
+	yyptr += yynewbytes / sizeof (*yyptr);				\
+      }									\
+    while (YYID (0))
 
-static const char * const yytname[] = {   "$","error","$undefined.","NUMBER",
-"VARIABLE","FUNCTION","'-'","'+'","'*'","'/'","NEG","'^'","'\\n'","'('","')'",
-"input","expression", NULL
-};
 #endif
 
-static const short yyr1[] = {     0,
-    15,    16,    16,    16,    16,    16,    16,    16,    16,    16,
-    16
+/* YYFINAL -- State number of the termination state.  */
+#define YYFINAL  11
+/* YYLAST -- Last index in YYTABLE.  */
+#define YYLAST   41
+
+/* YYNTOKENS -- Number of terminals.  */
+#define YYNTOKENS  15
+/* YYNNTS -- Number of nonterminals.  */
+#define YYNNTS  3
+/* YYNRULES -- Number of rules.  */
+#define YYNRULES  12
+/* YYNRULES -- Number of states.  */
+#define YYNSTATES  26
+
+/* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX.  */
+#define YYUNDEFTOK  2
+#define YYMAXUTOK   261
+
+#define YYTRANSLATE(YYX)						\
+  ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK)
+
+/* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX.  */
+static const yytype_uint8 yytranslate[] =
+{
+       0,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+      12,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+      13,    14,     8,     7,     2,     6,     2,     9,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,    11,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
+       2,     2,     2,     2,     2,     2,     1,     2,     3,     4,
+       5,    10
 };
 
-static const short yyr2[] = {     0,
-     2,     1,     1,     3,     3,     3,     3,     2,     3,     4,
-     3
+#if YYDEBUG
+/* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in
+   YYRHS.  */
+static const yytype_uint8 yyprhs[] =
+{
+       0,     0,     3,     6,     8,    10,    14,    18,    22,    26,
+      29,    33,    38
 };
 
-static const short yydefact[] = {     0,
-     2,     3,     0,     0,     0,     0,     0,     8,     0,     0,
-     0,     0,     0,     0,     1,     0,    11,     5,     4,     6,
-     7,     9,    10,     0,     0,     0
+/* YYRHS -- A `-1'-separated list of the rules' RHS.  */
+static const yytype_int8 yyrhs[] =
+{
+      16,     0,    -1,    17,    12,    -1,     3,    -1,     4,    -1,
+      17,     7,    17,    -1,    17,     6,    17,    -1,    17,     8,
+      17,    -1,    17,     9,    17,    -1,     6,    17,    -1,    17,
+      11,    17,    -1,     5,    13,    17,    14,    -1,    13,    17,
+      14,    -1
 };
 
-static const short yydefgoto[] = {    24,
-     6
+/* YYRLINE[YYN] -- source line where rule number YYN was defined.  */
+static const yytype_uint8 yyrline[] =
+{
+       0,    71,    71,    78,    81,    84,    88,    92,    96,   100,
+     104,   108,   112
 };
+#endif
 
-static const short yypact[] = {     8,
--32768,-32768,   -11,     8,     8,    27,     8,    -7,     9,     8,
-     8,     8,     8,     8,-32768,    18,-32768,    32,    32,    -7,
-    -7,-32768,-32768,     5,    19,-32768
+#if YYDEBUG || YYERROR_VERBOSE || YYTOKEN_TABLE
+/* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM.
+   First, the terminals, then, starting at YYNTOKENS, nonterminals.  */
+static const char *const yytname[] =
+{
+  "$end", "error", "$undefined", "NUMBER", "VARIABLE", "FUNCTION", "'-'",
+  "'+'", "'*'", "'/'", "NEG", "'^'", "'\\n'", "'('", "')'", "$accept",
+  "input", "expression", 0
 };
+#endif
 
-static const short yypgoto[] = {-32768,
-    -4
+# ifdef YYPRINT
+/* YYTOKNUM[YYLEX-NUM] -- Internal token number corresponding to
+   token YYLEX-NUM.  */
+static const yytype_uint16 yytoknum[] =
+{
+       0,   256,   257,   258,   259,   260,    45,    43,    42,    47,
+     261,    94,    10,    40,    41
 };
+# endif
 
+/* YYR1[YYN] -- Symbol number of symbol that rule YYN derives.  */
+static const yytype_uint8 yyr1[] =
+{
+       0,    15,    16,    17,    17,    17,    17,    17,    17,    17,
+      17,    17,    17
+};
 
-#define	YYLAST		43
-
+/* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN.  */
+static const yytype_uint8 yyr2[] =
+{
+       0,     2,     2,     1,     1,     3,     3,     3,     3,     2,
+       3,     4,     3
+};
 
-static const short yytable[] = {     8,
-     9,     7,    16,    14,    25,    18,    19,    20,    21,    22,
-     1,     2,     3,     4,    10,    11,    12,    13,    26,    14,
-     5,     0,    17,    10,    11,    12,    13,     0,    14,     0,
-     0,    23,    10,    11,    12,    13,     0,    14,    15,    12,
-    13,     0,    14
+/* YYDEFACT[STATE-NAME] -- Default rule to reduce with in state
+   STATE-NUM when YYTABLE doesn't specify something else to do.  Zero
+   means the default is an error.  */
+static const yytype_uint8 yydefact[] =
+{
+       0,     3,     4,     0,     0,     0,     0,     0,     0,     9,
+       0,     1,     0,     0,     0,     0,     0,     2,     0,    12,
+       6,     5,     7,     8,    10,    11
 };
 
-static const short yycheck[] = {     4,
-     5,    13,     7,    11,     0,    10,    11,    12,    13,    14,
-     3,     4,     5,     6,     6,     7,     8,     9,     0,    11,
-    13,    -1,    14,     6,     7,     8,     9,    -1,    11,    -1,
-    -1,    14,     6,     7,     8,     9,    -1,    11,    12,     8,
-     9,    -1,    11
+/* YYDEFGOTO[NTERM-NUM].  */
+static const yytype_int8 yydefgoto[] =
+{
+      -1,     6,     7
 };
-/* -*-C-*-  Note some compilers choke on comments on `#line' lines.  */
-#line 3 "/usr/share/bison.simple"
-/* This file comes from bison-1.28.  */
 
-/* Skeleton output parser for bison,
-   Copyright (C) 1984, 1989, 1990 Free Software Foundation, Inc.
+/* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
+   STATE-NUM.  */
+#define YYPACT_NINF -8
+static const yytype_int8 yypact[] =
+{
+      10,    -8,    -8,    -7,    10,    10,     7,    29,    10,    13,
+      11,    -8,    10,    10,    10,    10,    10,    -8,    20,    -8,
+      -6,    -6,    13,    13,    -8,    -8
+};
 
-   This program is free software; you can redistribute it and/or modify
-   it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2, or (at your option)
-   any later version.
+/* YYPGOTO[NTERM-NUM].  */
+static const yytype_int8 yypgoto[] =
+{
+      -8,    -8,    -4
+};
 
-   This program is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   GNU General Public License for more details.
+/* YYTABLE[YYPACT[STATE-NUM]].  What to do in state STATE-NUM.  If
+   positive, shift that token.  If negative, reduce the rule which
+   number is the opposite.  If zero, do what YYDEFACT says.
+   If YYTABLE_NINF, syntax error.  */
+#define YYTABLE_NINF -1
+static const yytype_uint8 yytable[] =
+{
+       9,    10,    14,    15,    18,    16,     8,    11,    20,    21,
+      22,    23,    24,     1,     2,     3,     4,    12,    13,    14,
+      15,     0,    16,     5,    16,    19,    12,    13,    14,    15,
+       0,    16,     0,     0,    25,    12,    13,    14,    15,     0,
+      16,    17
+};
 
-   You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
-
-/* As a special exception, when this file is copied by Bison into a
-   Bison output file, you may use that output file without restriction.
-   This special exception was added by the Free Software Foundation
-   in version 1.24 of Bison.  */
-
-/* This is the parser code that is written into each bison parser
-  when the %semantic_parser declaration is not specified in the grammar.
-  It was written by Richard Stallman by simplifying the hairy parser
-  used when %semantic_parser is specified.  */
-
-#ifndef YYSTACK_USE_ALLOCA
-#ifdef alloca
-#define YYSTACK_USE_ALLOCA
-#else /* alloca not defined */
-#ifdef __GNUC__
-#define YYSTACK_USE_ALLOCA
-#define alloca __builtin_alloca
-#else /* not GNU C.  */
-#if (!defined (__STDC__) && defined (sparc)) || defined (__sparc__) || defined (__sparc) || defined (__sgi) || (defined (__sun) && defined (__i386))
-#define YYSTACK_USE_ALLOCA
-#include <alloca.h>
-#else /* not sparc */
-/* We think this test detects Watcom and Microsoft C.  */
-/* This used to test MSDOS, but that is a bad idea
-   since that symbol is in the user namespace.  */
-#if (defined (_MSDOS) || defined (_MSDOS_)) && !defined (__TURBOC__)
-#if 0 /* No need for malloc.h, which pollutes the namespace;
-	 instead, just don't use alloca.  */
-#include <malloc.h>
-#endif
-#else /* not MSDOS, or __TURBOC__ */
-#if defined(_AIX)
-/* I don't know what this was needed for, but it pollutes the namespace.
-   So I turned it off.   rms, 2 May 1997.  */
-/* #include <malloc.h>  */
- #pragma alloca
-#define YYSTACK_USE_ALLOCA
-#else /* not MSDOS, or __TURBOC__, or _AIX */
-#if 0
-#ifdef __hpux /* haible@ilog.fr says this works for HPUX 9.05 and up,
-		 and on HPUX 10.  Eventually we can turn this on.  */
-#define YYSTACK_USE_ALLOCA
-#define alloca __builtin_alloca
-#endif /* __hpux */
-#endif
-#endif /* not _AIX */
-#endif /* not MSDOS, or __TURBOC__ */
-#endif /* not sparc */
-#endif /* not GNU C */
-#endif /* alloca not defined */
-#endif /* YYSTACK_USE_ALLOCA not defined */
-
-#ifdef YYSTACK_USE_ALLOCA
-#define YYSTACK_ALLOC alloca
-#else
-#define YYSTACK_ALLOC malloc
-#endif
+static const yytype_int8 yycheck[] =
+{
+       4,     5,     8,     9,     8,    11,    13,     0,    12,    13,
+      14,    15,    16,     3,     4,     5,     6,     6,     7,     8,
+       9,    -1,    11,    13,    11,    14,     6,     7,     8,     9,
+      -1,    11,    -1,    -1,    14,     6,     7,     8,     9,    -1,
+      11,    12
+};
 
-/* Note: there must be only one dollar sign in this file.
-   It is replaced by the list of actions, each action
-   as one case of the switch.  */
+/* YYSTOS[STATE-NUM] -- The (internal number of the) accessing
+   symbol of state STATE-NUM.  */
+static const yytype_uint8 yystos[] =
+{
+       0,     3,     4,     5,     6,    13,    16,    17,    13,    17,
+      17,     0,     6,     7,     8,     9,    11,    12,    17,    14,
+      17,    17,    17,    17,    17,    14
+};
 
 #define yyerrok		(yyerrstatus = 0)
 #define yyclearin	(yychar = YYEMPTY)
-#define YYEMPTY		-2
+#define YYEMPTY		(-2)
 #define YYEOF		0
+
 #define YYACCEPT	goto yyacceptlab
-#define YYABORT 	goto yyabortlab
-#define YYERROR		goto yyerrlab1
-/* Like YYERROR except do call yyerror.
-   This remains here temporarily to ease the
-   transition to the new meaning of YYERROR, for GCC.
+#define YYABORT		goto yyabortlab
+#define YYERROR		goto yyerrorlab
+
+
+/* Like YYERROR except do call yyerror.  This remains here temporarily
+   to ease the transition to the new meaning of YYERROR, for GCC.
    Once GCC version 2 has supplanted version 1, this can go.  */
+
 #define YYFAIL		goto yyerrlab
+
 #define YYRECOVERING()  (!!yyerrstatus)
-#define YYBACKUP(token, value) \
+
+#define YYBACKUP(Token, Value)					\
 do								\
   if (yychar == YYEMPTY && yylen == 1)				\
-    { yychar = (token), yylval = (value);			\
-      yychar1 = YYTRANSLATE (yychar);				\
-      YYPOPSTACK;						\
+    {								\
+      yychar = (Token);						\
+      yylval = (Value);						\
+      yytoken = YYTRANSLATE (yychar);				\
+      YYPOPSTACK (1);						\
       goto yybackup;						\
     }								\
   else								\
-    { yyerror ("syntax error: cannot back up"); YYERROR; }	\
-while (0)
+    {								\
+      yyerror (YY_("syntax error: cannot back up")); \
+      YYERROR;							\
+    }								\
+while (YYID (0))
+
 
 #define YYTERROR	1
 #define YYERRCODE	256
 
-#ifndef YYPURE
-#define YYLEX		yylex()
+
+/* YYLLOC_DEFAULT -- Set CURRENT to span from RHS[1] to RHS[N].
+   If N is 0, then set CURRENT to the empty location which ends
+   the previous symbol: RHS[0] (always defined).  */
+
+#define YYRHSLOC(Rhs, K) ((Rhs)[K])
+#ifndef YYLLOC_DEFAULT
+# define YYLLOC_DEFAULT(Current, Rhs, N)				\
+    do									\
+      if (YYID (N))                                                    \
+	{								\
+	  (Current).first_line   = YYRHSLOC (Rhs, 1).first_line;	\
+	  (Current).first_column = YYRHSLOC (Rhs, 1).first_column;	\
+	  (Current).last_line    = YYRHSLOC (Rhs, N).last_line;		\
+	  (Current).last_column  = YYRHSLOC (Rhs, N).last_column;	\
+	}								\
+      else								\
+	{								\
+	  (Current).first_line   = (Current).last_line   =		\
+	    YYRHSLOC (Rhs, 0).last_line;				\
+	  (Current).first_column = (Current).last_column =		\
+	    YYRHSLOC (Rhs, 0).last_column;				\
+	}								\
+    while (YYID (0))
 #endif
 
-#ifdef YYPURE
-#ifdef YYLSP_NEEDED
-#ifdef YYLEX_PARAM
-#define YYLEX		yylex(&yylval, &yylloc, YYLEX_PARAM)
-#else
-#define YYLEX		yylex(&yylval, &yylloc)
+
+/* YY_LOCATION_PRINT -- Print the location on the stream.
+   This macro was not mandated originally: define only if we know
+   we won't break user code: when these are the locations we know.  */
+
+#ifndef YY_LOCATION_PRINT
+# if defined YYLTYPE_IS_TRIVIAL && YYLTYPE_IS_TRIVIAL
+#  define YY_LOCATION_PRINT(File, Loc)			\
+     fprintf (File, "%d.%d-%d.%d",			\
+	      (Loc).first_line, (Loc).first_column,	\
+	      (Loc).last_line,  (Loc).last_column)
+# else
+#  define YY_LOCATION_PRINT(File, Loc) ((void) 0)
+# endif
 #endif
-#else /* not YYLSP_NEEDED */
+
+
+/* YYLEX -- calling `yylex' with the right arguments.  */
+
 #ifdef YYLEX_PARAM
-#define YYLEX		yylex(&yylval, YYLEX_PARAM)
+# define YYLEX yylex (YYLEX_PARAM)
 #else
-#define YYLEX		yylex(&yylval)
+# define YYLEX yylex ()
 #endif
-#endif /* not YYLSP_NEEDED */
+
+/* Enable debugging if requested.  */
+#if YYDEBUG
+
+# ifndef YYFPRINTF
+#  include <stdio.h> /* INFRINGES ON USER NAME SPACE */
+#  define YYFPRINTF fprintf
+# endif
+
+# define YYDPRINTF(Args)			\
+do {						\
+  if (yydebug)					\
+    YYFPRINTF Args;				\
+} while (YYID (0))
+
+# define YY_SYMBOL_PRINT(Title, Type, Value, Location)			  \
+do {									  \
+  if (yydebug)								  \
+    {									  \
+      YYFPRINTF (stderr, "%s ", Title);					  \
+      yy_symbol_print (stderr,						  \
+		  Type, Value); \
+      YYFPRINTF (stderr, "\n");						  \
+    }									  \
+} while (YYID (0))
+
+
+/*--------------------------------.
+| Print this symbol on YYOUTPUT.  |
+`--------------------------------*/
+
+/*ARGSUSED*/
+#if (defined __STDC__ || defined __C99__FUNC__ \
+     || defined __cplusplus || defined _MSC_VER)
+static void
+yy_symbol_value_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep)
+#else
+static void
+yy_symbol_value_print (yyoutput, yytype, yyvaluep)
+    FILE *yyoutput;
+    int yytype;
+    YYSTYPE const * const yyvaluep;
 #endif
+{
+  if (!yyvaluep)
+    return;
+# ifdef YYPRINT
+  if (yytype < YYNTOKENS)
+    YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep);
+# else
+  YYUSE (yyoutput);
+# endif
+  switch (yytype)
+    {
+      default:
+	break;
+    }
+}
+
 
-/* If nonreentrant, generate the variables here */
+/*--------------------------------.
+| Print this symbol on YYOUTPUT.  |
+`--------------------------------*/
 
-#ifndef YYPURE
+#if (defined __STDC__ || defined __C99__FUNC__ \
+     || defined __cplusplus || defined _MSC_VER)
+static void
+yy_symbol_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep)
+#else
+static void
+yy_symbol_print (yyoutput, yytype, yyvaluep)
+    FILE *yyoutput;
+    int yytype;
+    YYSTYPE const * const yyvaluep;
+#endif
+{
+  if (yytype < YYNTOKENS)
+    YYFPRINTF (yyoutput, "token %s (", yytname[yytype]);
+  else
+    YYFPRINTF (yyoutput, "nterm %s (", yytname[yytype]);
 
-int	yychar;			/*  the lookahead symbol		*/
-YYSTYPE	yylval;			/*  the semantic value of the		*/
-				/*  lookahead symbol			*/
+  yy_symbol_value_print (yyoutput, yytype, yyvaluep);
+  YYFPRINTF (yyoutput, ")");
+}
+
+/*------------------------------------------------------------------.
+| yy_stack_print -- Print the state stack from its BOTTOM up to its |
+| TOP (included).                                                   |
+`------------------------------------------------------------------*/
 
-#ifdef YYLSP_NEEDED
-YYLTYPE yylloc;			/*  location data for the lookahead	*/
-				/*  symbol				*/
+#if (defined __STDC__ || defined __C99__FUNC__ \
+     || defined __cplusplus || defined _MSC_VER)
+static void
+yy_stack_print (yytype_int16 *bottom, yytype_int16 *top)
+#else
+static void
+yy_stack_print (bottom, top)
+    yytype_int16 *bottom;
+    yytype_int16 *top;
 #endif
+{
+  YYFPRINTF (stderr, "Stack now");
+  for (; bottom <= top; ++bottom)
+    YYFPRINTF (stderr, " %d", *bottom);
+  YYFPRINTF (stderr, "\n");
+}
+
+# define YY_STACK_PRINT(Bottom, Top)				\
+do {								\
+  if (yydebug)							\
+    yy_stack_print ((Bottom), (Top));				\
+} while (YYID (0))
+
 
-int yynerrs;			/*  number of parse errors so far       */
-#endif  /* not YYPURE */
+/*------------------------------------------------.
+| Report that the YYRULE is going to be reduced.  |
+`------------------------------------------------*/
 
-#if YYDEBUG != 0
-int yydebug;			/*  nonzero means print parse trace	*/
-/* Since this is uninitialized, it does not stop multiple parsers
-   from coexisting.  */
+#if (defined __STDC__ || defined __C99__FUNC__ \
+     || defined __cplusplus || defined _MSC_VER)
+static void
+yy_reduce_print (YYSTYPE *yyvsp, int yyrule)
+#else
+static void
+yy_reduce_print (yyvsp, yyrule)
+    YYSTYPE *yyvsp;
+    int yyrule;
 #endif
+{
+  int yynrhs = yyr2[yyrule];
+  int yyi;
+  unsigned long int yylno = yyrline[yyrule];
+  YYFPRINTF (stderr, "Reducing stack by rule %d (line %lu):\n",
+	     yyrule - 1, yylno);
+  /* The symbols being reduced.  */
+  for (yyi = 0; yyi < yynrhs; yyi++)
+    {
+      fprintf (stderr, "   $%d = ", yyi + 1);
+      yy_symbol_print (stderr, yyrhs[yyprhs[yyrule] + yyi],
+		       &(yyvsp[(yyi + 1) - (yynrhs)])
+		       		       );
+      fprintf (stderr, "\n");
+    }
+}
+
+# define YY_REDUCE_PRINT(Rule)		\
+do {					\
+  if (yydebug)				\
+    yy_reduce_print (yyvsp, Rule); \
+} while (YYID (0))
 
-/*  YYINITDEPTH indicates the initial size of the parser's stacks	*/
+/* Nonzero means print parse trace.  It is left uninitialized so that
+   multiple parsers can coexist.  */
+int yydebug;
+#else /* !YYDEBUG */
+# define YYDPRINTF(Args)
+# define YY_SYMBOL_PRINT(Title, Type, Value, Location)
+# define YY_STACK_PRINT(Bottom, Top)
+# define YY_REDUCE_PRINT(Rule)
+#endif /* !YYDEBUG */
 
+
+/* YYINITDEPTH -- initial size of the parser's stacks.  */
 #ifndef	YYINITDEPTH
-#define YYINITDEPTH 200
+# define YYINITDEPTH 200
 #endif
 
-/*  YYMAXDEPTH is the maximum size the stacks can grow to
-    (effective only if the built-in stack extension method is used).  */
+/* YYMAXDEPTH -- maximum size the stacks can grow to (effective only
+   if the built-in stack extension method is used).
 
-#if YYMAXDEPTH == 0
-#undef YYMAXDEPTH
-#endif
+   Do not make this value too large; the results are undefined if
+   YYSTACK_ALLOC_MAXIMUM < YYSTACK_BYTES (YYMAXDEPTH)
+   evaluated with infinite-precision integer arithmetic.  */
 
 #ifndef YYMAXDEPTH
-#define YYMAXDEPTH 10000
+# define YYMAXDEPTH 10000
 #endif
+
 
-/* Define __yy_memcpy.  Note that the size argument
-   should be passed with type unsigned int, because that is what the non-GCC
-   definitions require.  With GCC, __builtin_memcpy takes an arg
-   of type size_t, but it can handle unsigned int.  */
-
-#if __GNUC__ > 1		/* GNU C and GNU C++ define this.  */
-#define __yy_memcpy(TO,FROM,COUNT)	__builtin_memcpy(TO,FROM,COUNT)
-#else				/* not GNU C or C++ */
-#ifndef __cplusplus
-
-/* This is the most reliable way to avoid incompatibilities
-   in available built-in functions on various systems.  */
-static void
-__yy_memcpy (to, from, count)
-     char *to;
-     char *from;
-     unsigned int count;
+
+#if YYERROR_VERBOSE
+
+# ifndef yystrlen
+#  if defined __GLIBC__ && defined _STRING_H
+#   define yystrlen strlen
+#  else
+/* Return the length of YYSTR.  */
+#if (defined __STDC__ || defined __C99__FUNC__ \
+     || defined __cplusplus || defined _MSC_VER)
+static YYSIZE_T
+yystrlen (const char *yystr)
+#else
+static YYSIZE_T
+yystrlen (yystr)
+    const char *yystr;
+#endif
+{
+  YYSIZE_T yylen;
+  for (yylen = 0; yystr[yylen]; yylen++)
+    continue;
+  return yylen;
+}
+#  endif
+# endif
+
+# ifndef yystpcpy
+#  if defined __GLIBC__ && defined _STRING_H && defined _GNU_SOURCE
+#   define yystpcpy stpcpy
+#  else
+/* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in
+   YYDEST.  */
+#if (defined __STDC__ || defined __C99__FUNC__ \
+     || defined __cplusplus || defined _MSC_VER)
+static char *
+yystpcpy (char *yydest, const char *yysrc)
+#else
+static char *
+yystpcpy (yydest, yysrc)
+    char *yydest;
+    const char *yysrc;
+#endif
 {
-  register char *f = from;
-  register char *t = to;
-  register int i = count;
+  char *yyd = yydest;
+  const char *yys = yysrc;
+
+  while ((*yyd++ = *yys++) != '\0')
+    continue;
 
-  while (i-- > 0)
-    *t++ = *f++;
+  return yyd - 1;
 }
+#  endif
+# endif
+
+# ifndef yytnamerr
+/* Copy to YYRES the contents of YYSTR after stripping away unnecessary
+   quotes and backslashes, so that it's suitable for yyerror.  The
+   heuristic is that double-quoting is unnecessary unless the string
+   contains an apostrophe, a comma, or backslash (other than
+   backslash-backslash).  YYSTR is taken from yytname.  If YYRES is
+   null, do not copy; instead, return the length of what the result
+   would have been.  */
+static YYSIZE_T
+yytnamerr (char *yyres, const char *yystr)
+{
+  if (*yystr == '"')
+    {
+      YYSIZE_T yyn = 0;
+      char const *yyp = yystr;
+
+      for (;;)
+	switch (*++yyp)
+	  {
+	  case '\'':
+	  case ',':
+	    goto do_not_strip_quotes;
+
+	  case '\\':
+	    if (*++yyp != '\\')
+	      goto do_not_strip_quotes;
+	    /* Fall through.  */
+	  default:
+	    if (yyres)
+	      yyres[yyn] = *yyp;
+	    yyn++;
+	    break;
+
+	  case '"':
+	    if (yyres)
+	      yyres[yyn] = '\0';
+	    return yyn;
+	  }
+    do_not_strip_quotes: ;
+    }
 
-#else /* __cplusplus */
+  if (! yyres)
+    return yystrlen (yystr);
 
-/* This is the most reliable way to avoid incompatibilities
-   in available built-in functions on various systems.  */
-static void
-__yy_memcpy (char *to, char *from, unsigned int count)
+  return yystpcpy (yyres, yystr) - yyres;
+}
+# endif
+
+/* Copy into YYRESULT an error message about the unexpected token
+   YYCHAR while in state YYSTATE.  Return the number of bytes copied,
+   including the terminating null byte.  If YYRESULT is null, do not
+   copy anything; just return the number of bytes that would be
+   copied.  As a special case, return 0 if an ordinary "syntax error"
+   message will do.  Return YYSIZE_MAXIMUM if overflow occurs during
+   size calculation.  */
+static YYSIZE_T
+yysyntax_error (char *yyresult, int yystate, int yychar)
 {
-  register char *t = to;
-  register char *f = from;
-  register int i = count;
+  int yyn = yypact[yystate];
 
-  while (i-- > 0)
-    *t++ = *f++;
+  if (! (YYPACT_NINF < yyn && yyn <= YYLAST))
+    return 0;
+  else
+    {
+      int yytype = YYTRANSLATE (yychar);
+      YYSIZE_T yysize0 = yytnamerr (0, yytname[yytype]);
+      YYSIZE_T yysize = yysize0;
+      YYSIZE_T yysize1;
+      int yysize_overflow = 0;
+      enum { YYERROR_VERBOSE_ARGS_MAXIMUM = 5 };
+      char const *yyarg[YYERROR_VERBOSE_ARGS_MAXIMUM];
+      int yyx;
+
+# if 0
+      /* This is so xgettext sees the translatable formats that are
+	 constructed on the fly.  */
+      YY_("syntax error, unexpected %s");
+      YY_("syntax error, unexpected %s, expecting %s");
+      YY_("syntax error, unexpected %s, expecting %s or %s");
+      YY_("syntax error, unexpected %s, expecting %s or %s or %s");
+      YY_("syntax error, unexpected %s, expecting %s or %s or %s or %s");
+# endif
+      char *yyfmt;
+      char const *yyf;
+      static char const yyunexpected[] = "syntax error, unexpected %s";
+      static char const yyexpecting[] = ", expecting %s";
+      static char const yyor[] = " or %s";
+      char yyformat[sizeof yyunexpected
+		    + sizeof yyexpecting - 1
+		    + ((YYERROR_VERBOSE_ARGS_MAXIMUM - 2)
+		       * (sizeof yyor - 1))];
+      char const *yyprefix = yyexpecting;
+
+      /* Start YYX at -YYN if negative to avoid negative indexes in
+	 YYCHECK.  */
+      int yyxbegin = yyn < 0 ? -yyn : 0;
+
+      /* Stay within bounds of both yycheck and yytname.  */
+      int yychecklim = YYLAST - yyn + 1;
+      int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS;
+      int yycount = 1;
+
+      yyarg[0] = yytname[yytype];
+      yyfmt = yystpcpy (yyformat, yyunexpected);
+
+      for (yyx = yyxbegin; yyx < yyxend; ++yyx)
+	if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR)
+	  {
+	    if (yycount == YYERROR_VERBOSE_ARGS_MAXIMUM)
+	      {
+		yycount = 1;
+		yysize = yysize0;
+		yyformat[sizeof yyunexpected - 1] = '\0';
+		break;
+	      }
+	    yyarg[yycount++] = yytname[yyx];
+	    yysize1 = yysize + yytnamerr (0, yytname[yyx]);
+	    yysize_overflow |= (yysize1 < yysize);
+	    yysize = yysize1;
+	    yyfmt = yystpcpy (yyfmt, yyprefix);
+	    yyprefix = yyor;
+	  }
+
+      yyf = YY_(yyformat);
+      yysize1 = yysize + yystrlen (yyf);
+      yysize_overflow |= (yysize1 < yysize);
+      yysize = yysize1;
+
+      if (yysize_overflow)
+	return YYSIZE_MAXIMUM;
+
+      if (yyresult)
+	{
+	  /* Avoid sprintf, as that infringes on the user's name space.
+	     Don't have undefined behavior even if the translation
+	     produced a string with the wrong number of "%s"s.  */
+	  char *yyp = yyresult;
+	  int yyi = 0;
+	  while ((*yyp = *yyf) != '\0')
+	    {
+	      if (*yyp == '%' && yyf[1] == 's' && yyi < yycount)
+		{
+		  yyp += yytnamerr (yyp, yyarg[yyi++]);
+		  yyf += 2;
+		}
+	      else
+		{
+		  yyp++;
+		  yyf++;
+		}
+	    }
+	}
+      return yysize;
+    }
 }
+#endif /* YYERROR_VERBOSE */
+
 
+/*-----------------------------------------------.
+| Release the memory associated to this symbol.  |
+`-----------------------------------------------*/
+
+/*ARGSUSED*/
+#if (defined __STDC__ || defined __C99__FUNC__ \
+     || defined __cplusplus || defined _MSC_VER)
+static void
+yydestruct (const char *yymsg, int yytype, YYSTYPE *yyvaluep)
+#else
+static void
+yydestruct (yymsg, yytype, yyvaluep)
+    const char *yymsg;
+    int yytype;
+    YYSTYPE *yyvaluep;
 #endif
-#endif
+{
+  YYUSE (yyvaluep);
+
+  if (!yymsg)
+    yymsg = "Deleting";
+  YY_SYMBOL_PRINT (yymsg, yytype, yyvaluep, yylocationp);
+
+  switch (yytype)
+    {
+
+      default:
+	break;
+    }
+}
 
-#line 217 "/usr/share/bison.simple"
 
-/* The user can define YYPARSE_PARAM as the name of an argument to be passed
-   into yyparse.  The argument should have type void *.
-   It should actually point to an object.
-   Grammar actions can access the variable by casting it
-   to the proper pointer type.  */
+/* Prevent warnings from -Wmissing-prototypes.  */
 
 #ifdef YYPARSE_PARAM
-#ifdef __cplusplus
-#define YYPARSE_PARAM_ARG void *YYPARSE_PARAM
-#define YYPARSE_PARAM_DECL
-#else /* not __cplusplus */
-#define YYPARSE_PARAM_ARG YYPARSE_PARAM
-#define YYPARSE_PARAM_DECL void *YYPARSE_PARAM;
-#endif /* not __cplusplus */
-#else /* not YYPARSE_PARAM */
-#define YYPARSE_PARAM_ARG
-#define YYPARSE_PARAM_DECL
-#endif /* not YYPARSE_PARAM */
-
-/* Prevent warning if -Wstrict-prototypes.  */
-#ifdef __GNUC__
-#ifdef YYPARSE_PARAM
-int yyparse (void *);
+#if defined __STDC__ || defined __cplusplus
+int yyparse (void *YYPARSE_PARAM);
 #else
-int yyparse (void);
+int yyparse ();
 #endif
+#else /* ! YYPARSE_PARAM */
+#if defined __STDC__ || defined __cplusplus
+int yyparse (void);
+#else
+int yyparse ();
 #endif
+#endif /* ! YYPARSE_PARAM */
 
-int
-yyparse(YYPARSE_PARAM_ARG)
-     YYPARSE_PARAM_DECL
-{
-  register int yystate;
-  register int yyn;
-  register short *yyssp;
-  register YYSTYPE *yyvsp;
-  int yyerrstatus;	/*  number of tokens to shift before error messages enabled */
-  int yychar1 = 0;		/*  lookahead token as an internal (translated) token number */
 
-  short	yyssa[YYINITDEPTH];	/*  the state stack			*/
-  YYSTYPE yyvsa[YYINITDEPTH];	/*  the semantic value stack		*/
 
-  short *yyss = yyssa;		/*  refer to the stacks thru separate pointers */
-  YYSTYPE *yyvs = yyvsa;	/*  to allow yyoverflow to reallocate them elsewhere */
+/* The look-ahead symbol.  */
+int yychar;
+
+/* The semantic value of the look-ahead symbol.  */
+YYSTYPE yylval;
+
+/* Number of syntax errors so far.  */
+int yynerrs;
 
-#ifdef YYLSP_NEEDED
-  YYLTYPE yylsa[YYINITDEPTH];	/*  the location stack			*/
-  YYLTYPE *yyls = yylsa;
-  YYLTYPE *yylsp;
 
-#define YYPOPSTACK   (yyvsp--, yyssp--, yylsp--)
+
+/*----------.
+| yyparse.  |
+`----------*/
+
+#ifdef YYPARSE_PARAM
+#if (defined __STDC__ || defined __C99__FUNC__ \
+     || defined __cplusplus || defined _MSC_VER)
+int
+yyparse (void *YYPARSE_PARAM)
 #else
-#define YYPOPSTACK   (yyvsp--, yyssp--)
+int
+yyparse (YYPARSE_PARAM)
+    void *YYPARSE_PARAM;
 #endif
+#else /* ! YYPARSE_PARAM */
+#if (defined __STDC__ || defined __C99__FUNC__ \
+     || defined __cplusplus || defined _MSC_VER)
+int
+yyparse (void)
+#else
+int
+yyparse ()
 
-  int yystacksize = YYINITDEPTH;
-  int yyfree_stacks = 0;
-
-#ifdef YYPURE
-  int yychar;
-  YYSTYPE yylval;
-  int yynerrs;
-#ifdef YYLSP_NEEDED
-  YYLTYPE yylloc;
 #endif
+#endif
+{
+  
+  int yystate;
+  int yyn;
+  int yyresult;
+  /* Number of tokens to shift before error messages enabled.  */
+  int yyerrstatus;
+  /* Look-ahead token as an internal (translated) token number.  */
+  int yytoken = 0;
+#if YYERROR_VERBOSE
+  /* Buffer for error messages, and its allocated size.  */
+  char yymsgbuf[128];
+  char *yymsg = yymsgbuf;
+  YYSIZE_T yymsg_alloc = sizeof yymsgbuf;
 #endif
 
-  YYSTYPE yyval;		/*  the variable used to return		*/
-				/*  semantic values from the action	*/
-				/*  routines				*/
+  /* Three stacks and their tools:
+     `yyss': related to states,
+     `yyvs': related to semantic values,
+     `yyls': related to locations.
 
-  int yylen;
+     Refer to the stacks thru separate pointers, to allow yyoverflow
+     to reallocate them elsewhere.  */
 
-#if YYDEBUG != 0
-  if (yydebug)
-    fprintf(stderr, "Starting parse\n");
-#endif
+  /* The state stack.  */
+  yytype_int16 yyssa[YYINITDEPTH];
+  yytype_int16 *yyss = yyssa;
+  yytype_int16 *yyssp;
+
+  /* The semantic value stack.  */
+  YYSTYPE yyvsa[YYINITDEPTH];
+  YYSTYPE *yyvs = yyvsa;
+  YYSTYPE *yyvsp;
+
+
+
+#define YYPOPSTACK(N)   (yyvsp -= (N), yyssp -= (N))
+
+  YYSIZE_T yystacksize = YYINITDEPTH;
+
+  /* The variables used to return semantic value and location from the
+     action routines.  */
+  YYSTYPE yyval;
+
+
+  /* The number of symbols on the RHS of the reduced rule.
+     Keep to zero when no symbol should be popped.  */
+  int yylen = 0;
+
+  YYDPRINTF ((stderr, "Starting parse\n"));
 
   yystate = 0;
   yyerrstatus = 0;
@@ -497,540 +1194,491 @@ yyparse(YYPARSE_PARAM_ARG)
      so that they stay on the same level as the state stack.
      The wasted elements are never initialized.  */
 
-  yyssp = yyss - 1;
+  yyssp = yyss;
   yyvsp = yyvs;
-#ifdef YYLSP_NEEDED
-  yylsp = yyls;
-#endif
 
-/* Push a new state, which is found in  yystate  .  */
-/* In all cases, when you get here, the value and location stacks
-   have just been pushed. so pushing a state here evens the stacks.  */
-yynewstate:
+  goto yysetstate;
 
-  *++yyssp = yystate;
+/*------------------------------------------------------------.
+| yynewstate -- Push a new state, which is found in yystate.  |
+`------------------------------------------------------------*/
+ yynewstate:
+  /* In all cases, when you get here, the value and location stacks
+     have just been pushed.  So pushing a state here evens the stacks.  */
+  yyssp++;
 
-  if (yyssp >= yyss + yystacksize - 1)
-    {
-      /* Give user a chance to reallocate the stack */
-      /* Use copies of these so that the &'s don't force the real ones into memory. */
-      YYSTYPE *yyvs1 = yyvs;
-      short *yyss1 = yyss;
-#ifdef YYLSP_NEEDED
-      YYLTYPE *yyls1 = yyls;
-#endif
+ yysetstate:
+  *yyssp = yystate;
 
+  if (yyss + yystacksize - 1 <= yyssp)
+    {
       /* Get the current used size of the three stacks, in elements.  */
-      int size = yyssp - yyss + 1;
+      YYSIZE_T yysize = yyssp - yyss + 1;
 
 #ifdef yyoverflow
-      /* Each stack pointer address is followed by the size of
-	 the data in use in that stack, in bytes.  */
-#ifdef YYLSP_NEEDED
-      /* This used to be a conditional around just the two extra args,
-	 but that might be undefined if yyoverflow is a macro.  */
-      yyoverflow("parser stack overflow",
-		 &yyss1, size * sizeof (*yyssp),
-		 &yyvs1, size * sizeof (*yyvsp),
-		 &yyls1, size * sizeof (*yylsp),
-		 &yystacksize);
-#else
-      yyoverflow("parser stack overflow",
-		 &yyss1, size * sizeof (*yyssp),
-		 &yyvs1, size * sizeof (*yyvsp),
-		 &yystacksize);
-#endif
-
-      yyss = yyss1; yyvs = yyvs1;
-#ifdef YYLSP_NEEDED
-      yyls = yyls1;
-#endif
+      {
+	/* Give user a chance to reallocate the stack.  Use copies of
+	   these so that the &'s don't force the real ones into
+	   memory.  */
+	YYSTYPE *yyvs1 = yyvs;
+	yytype_int16 *yyss1 = yyss;
+
+
+	/* Each stack pointer address is followed by the size of the
+	   data in use in that stack, in bytes.  This used to be a
+	   conditional around just the two extra args, but that might
+	   be undefined if yyoverflow is a macro.  */
+	yyoverflow (YY_("memory exhausted"),
+		    &yyss1, yysize * sizeof (*yyssp),
+		    &yyvs1, yysize * sizeof (*yyvsp),
+
+		    &yystacksize);
+
+	yyss = yyss1;
+	yyvs = yyvs1;
+      }
 #else /* no yyoverflow */
+# ifndef YYSTACK_RELOCATE
+      goto yyexhaustedlab;
+# else
       /* Extend the stack our own way.  */
-      if (yystacksize >= YYMAXDEPTH)
-	{
-	  yyerror("parser stack overflow");
-	  if (yyfree_stacks)
-	    {
-	      free (yyss);
-	      free (yyvs);
-#ifdef YYLSP_NEEDED
-	      free (yyls);
-#endif
-	    }
-	  return 2;
-	}
+      if (YYMAXDEPTH <= yystacksize)
+	goto yyexhaustedlab;
       yystacksize *= 2;
-      if (yystacksize > YYMAXDEPTH)
+      if (YYMAXDEPTH < yystacksize)
 	yystacksize = YYMAXDEPTH;
-#ifndef YYSTACK_USE_ALLOCA
-      yyfree_stacks = 1;
-#endif
-      yyss = (short *) YYSTACK_ALLOC (yystacksize * sizeof (*yyssp));
-      __yy_memcpy ((char *)yyss, (char *)yyss1,
-		   size * (unsigned int) sizeof (*yyssp));
-      yyvs = (YYSTYPE *) YYSTACK_ALLOC (yystacksize * sizeof (*yyvsp));
-      __yy_memcpy ((char *)yyvs, (char *)yyvs1,
-		   size * (unsigned int) sizeof (*yyvsp));
-#ifdef YYLSP_NEEDED
-      yyls = (YYLTYPE *) YYSTACK_ALLOC (yystacksize * sizeof (*yylsp));
-      __yy_memcpy ((char *)yyls, (char *)yyls1,
-		   size * (unsigned int) sizeof (*yylsp));
-#endif
+
+      {
+	yytype_int16 *yyss1 = yyss;
+	union yyalloc *yyptr =
+	  (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize));
+	if (! yyptr)
+	  goto yyexhaustedlab;
+	YYSTACK_RELOCATE (yyss);
+	YYSTACK_RELOCATE (yyvs);
+
+#  undef YYSTACK_RELOCATE
+	if (yyss1 != yyssa)
+	  YYSTACK_FREE (yyss1);
+      }
+# endif
 #endif /* no yyoverflow */
 
-      yyssp = yyss + size - 1;
-      yyvsp = yyvs + size - 1;
-#ifdef YYLSP_NEEDED
-      yylsp = yyls + size - 1;
-#endif
+      yyssp = yyss + yysize - 1;
+      yyvsp = yyvs + yysize - 1;
 
-#if YYDEBUG != 0
-      if (yydebug)
-	fprintf(stderr, "Stack size increased to %d\n", yystacksize);
-#endif
 
-      if (yyssp >= yyss + yystacksize - 1)
+      YYDPRINTF ((stderr, "Stack size increased to %lu\n",
+		  (unsigned long int) yystacksize));
+
+      if (yyss + yystacksize - 1 <= yyssp)
 	YYABORT;
     }
 
-#if YYDEBUG != 0
-  if (yydebug)
-    fprintf(stderr, "Entering state %d\n", yystate);
-#endif
+  YYDPRINTF ((stderr, "Entering state %d\n", yystate));
 
   goto yybackup;
- yybackup:
 
-/* Do appropriate processing given the current state.  */
-/* Read a lookahead token if we need one and don't already have one.  */
-/* yyresume: */
+/*-----------.
+| yybackup.  |
+`-----------*/
+yybackup:
 
-  /* First try to decide what to do without reference to lookahead token.  */
+  /* Do appropriate processing given the current state.  Read a
+     look-ahead token if we need one and don't already have one.  */
 
+  /* First try to decide what to do without reference to look-ahead token.  */
   yyn = yypact[yystate];
-  if (yyn == YYFLAG)
+  if (yyn == YYPACT_NINF)
     goto yydefault;
 
-  /* Not known => get a lookahead token if don't already have one.  */
-
-  /* yychar is either YYEMPTY or YYEOF
-     or a valid token in external form.  */
+  /* Not known => get a look-ahead token if don't already have one.  */
 
+  /* YYCHAR is either YYEMPTY or YYEOF or a valid look-ahead symbol.  */
   if (yychar == YYEMPTY)
     {
-#if YYDEBUG != 0
-      if (yydebug)
-	fprintf(stderr, "Reading a token: ");
-#endif
+      YYDPRINTF ((stderr, "Reading a token: "));
       yychar = YYLEX;
     }
 
-  /* Convert token to internal form (in yychar1) for indexing tables with */
-
-  if (yychar <= 0)		/* This means end of input. */
+  if (yychar <= YYEOF)
     {
-      yychar1 = 0;
-      yychar = YYEOF;		/* Don't call YYLEX any more */
-
-#if YYDEBUG != 0
-      if (yydebug)
-	fprintf(stderr, "Now at end of input.\n");
-#endif
+      yychar = yytoken = YYEOF;
+      YYDPRINTF ((stderr, "Now at end of input.\n"));
     }
   else
     {
-      yychar1 = YYTRANSLATE(yychar);
-
-#if YYDEBUG != 0
-      if (yydebug)
-	{
-	  fprintf (stderr, "Next token is %d (%s", yychar, yytname[yychar1]);
-	  /* Give the individual parser a way to print the precise meaning
-	     of a token, for further debugging info.  */
-#ifdef YYPRINT
-	  YYPRINT (stderr, yychar, yylval);
-#endif
-	  fprintf (stderr, ")\n");
-	}
-#endif
+      yytoken = YYTRANSLATE (yychar);
+      YY_SYMBOL_PRINT ("Next token is", yytoken, &yylval, &yylloc);
     }
 
-  yyn += yychar1;
-  if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != yychar1)
+  /* If the proper action on seeing token YYTOKEN is to reduce or to
+     detect an error, take that action.  */
+  yyn += yytoken;
+  if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yytoken)
     goto yydefault;
-
   yyn = yytable[yyn];
-
-  /* yyn is what to do for this token type in this state.
-     Negative => reduce, -yyn is rule number.
-     Positive => shift, yyn is new state.
-       New state is final state => don't bother to shift,
-       just return success.
-     0, or most negative number => error.  */
-
-  if (yyn < 0)
+  if (yyn <= 0)
     {
-      if (yyn == YYFLAG)
+      if (yyn == 0 || yyn == YYTABLE_NINF)
 	goto yyerrlab;
       yyn = -yyn;
       goto yyreduce;
     }
-  else if (yyn == 0)
-    goto yyerrlab;
 
   if (yyn == YYFINAL)
     YYACCEPT;
 
-  /* Shift the lookahead token.  */
+  /* Count tokens shifted since error; after three, turn off error
+     status.  */
+  if (yyerrstatus)
+    yyerrstatus--;
 
-#if YYDEBUG != 0
-  if (yydebug)
-    fprintf(stderr, "Shifting token %d (%s), ", yychar, yytname[yychar1]);
-#endif
+  /* Shift the look-ahead token.  */
+  YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc);
 
-  /* Discard the token being shifted unless it is eof.  */
+  /* Discard the shifted token unless it is eof.  */
   if (yychar != YYEOF)
     yychar = YYEMPTY;
 
+  yystate = yyn;
   *++yyvsp = yylval;
-#ifdef YYLSP_NEEDED
-  *++yylsp = yylloc;
-#endif
-
-  /* count tokens shifted since error; after three, turn off error status.  */
-  if (yyerrstatus) yyerrstatus--;
 
-  yystate = yyn;
   goto yynewstate;
 
-/* Do the default action for the current state.  */
-yydefault:
 
+/*-----------------------------------------------------------.
+| yydefault -- do the default action for the current state.  |
+`-----------------------------------------------------------*/
+yydefault:
   yyn = yydefact[yystate];
   if (yyn == 0)
     goto yyerrlab;
+  goto yyreduce;
+
 
-/* Do a reduction.  yyn is the number of a rule to reduce with.  */
+/*-----------------------------.
+| yyreduce -- Do a reduction.  |
+`-----------------------------*/
 yyreduce:
+  /* yyn is the number of a rule to reduce with.  */
   yylen = yyr2[yyn];
-  if (yylen > 0)
-    yyval = yyvsp[1-yylen]; /* implement default value of the action */
 
-#if YYDEBUG != 0
-  if (yydebug)
-    {
-      int i;
-
-      fprintf (stderr, "Reducing via rule %d (line %d), ",
-	       yyn, yyrline[yyn]);
-
-      /* Print the symbols being reduced, and their result.  */
-      for (i = yyprhs[yyn]; yyrhs[i] > 0; i++)
-	fprintf (stderr, "%s ", yytname[yyrhs[i]]);
-      fprintf (stderr, " -> %s\n", yytname[yyr1[yyn]]);
-    }
-#endif
+  /* If YYLEN is nonzero, implement the default value of the action:
+     `$$ = $1'.
 
+     Otherwise, the following line sets YYVAL to garbage.
+     This behavior is undocumented and Bison
+     users should not rely upon it.  Assigning to YYVAL
+     unconditionally makes the parser a bit smaller, and it avoids a
+     GCC warning that YYVAL may be used uninitialized.  */
+  yyval = yyvsp[1-yylen];
 
-  switch (yyn) {
 
-case 1:
+  YY_REDUCE_PRINT (yyn);
+  switch (yyn)
+    {
+        case 2:
 #line 71 "parser.y"
-{
-  matheval_root = yyvsp[-1].node;
+    {
+  matheval_root = (yyvsp[(1) - (2)].node);
   return 1;
-;
-    break;}
-case 2:
+;}
+    break;
+
+  case 3:
 #line 78 "parser.y"
-{
-  yyval.node = yyvsp[0].node;
-;
-    break;}
-case 3:
+    {
+  (yyval.node) = (yyvsp[(1) - (1)].node);
+;}
+    break;
+
+  case 4:
 #line 81 "parser.y"
-{
-  yyval.node = yyvsp[0].node;
-;
-    break;}
-case 4:
+    {
+  (yyval.node) = (yyvsp[(1) - (1)].node);
+;}
+    break;
+
+  case 5:
 #line 84 "parser.y"
-{
+    {
   /* Create addition binary operator node.  */
-  yyval.node = node_create ('b', '+', yyvsp[-2].node, yyvsp[0].node);
-;
-    break;}
-case 5:
+  (yyval.node) = node_create ('b', '+', (yyvsp[(1) - (3)].node), (yyvsp[(3) - (3)].node));
+;}
+    break;
+
+  case 6:
 #line 88 "parser.y"
-{
+    {
   /* Create subtraction binary operator node.  */
-  yyval.node = node_create ('b', '-', yyvsp[-2].node, yyvsp[0].node);
-;
-    break;}
-case 6:
+  (yyval.node) = node_create ('b', '-', (yyvsp[(1) - (3)].node), (yyvsp[(3) - (3)].node));
+;}
+    break;
+
+  case 7:
 #line 92 "parser.y"
-{
+    {
   /* Create multiplication binary operator node.  */
-  yyval.node = node_create ('b', '*', yyvsp[-2].node, yyvsp[0].node);
-;
-    break;}
-case 7:
+  (yyval.node) = node_create ('b', '*', (yyvsp[(1) - (3)].node), (yyvsp[(3) - (3)].node));
+;}
+    break;
+
+  case 8:
 #line 96 "parser.y"
-{
+    {
   /* Create division binary operator node.  */
-  yyval.node = node_create ('b', '/', yyvsp[-2].node, yyvsp[0].node);
-;
-    break;}
-case 8:
+  (yyval.node) = node_create ('b', '/', (yyvsp[(1) - (3)].node), (yyvsp[(3) - (3)].node));
+;}
+    break;
+
+  case 9:
 #line 100 "parser.y"
-{
+    {
   /* Create minus unary operator node.  */
-  yyval.node = node_create ('u', '-', yyvsp[0].node);
-;
-    break;}
-case 9:
+  (yyval.node) = node_create ('u', '-', (yyvsp[(2) - (2)].node));
+;}
+    break;
+
+  case 10:
 #line 104 "parser.y"
-{
+    {
   /* Create exponentiation unary operator node.  */
-  yyval.node = node_create ('b', '^', yyvsp[-2].node, yyvsp[0].node);
-;
-    break;}
-case 10:
+  (yyval.node) = node_create ('b', '^', (yyvsp[(1) - (3)].node), (yyvsp[(3) - (3)].node));
+;}
+    break;
+
+  case 11:
 #line 108 "parser.y"
-{
+    {
   /* Create function node.  */
-  yyval.node = node_create ('f', yyvsp[-3].record, yyvsp[-1].node);
-;
-    break;}
-case 11:
-#line 112 "parser.y"
-{
-  yyval.node = yyvsp[-1].node;
-;
-    break;}
-}
-   /* the action file gets copied in in place of this dollarsign */
-#line 543 "/usr/share/bison.simple"
-
-  yyvsp -= yylen;
-  yyssp -= yylen;
-#ifdef YYLSP_NEEDED
-  yylsp -= yylen;
-#endif
+  (yyval.node) = node_create ('f', (yyvsp[(1) - (4)].record), (yyvsp[(3) - (4)].node));
+;}
+    break;
 
-#if YYDEBUG != 0
-  if (yydebug)
+  case 12:
+#line 112 "parser.y"
     {
-      short *ssp1 = yyss - 1;
-      fprintf (stderr, "state stack now");
-      while (ssp1 != yyssp)
-	fprintf (stderr, " %d", *++ssp1);
-      fprintf (stderr, "\n");
+  (yyval.node) = (yyvsp[(2) - (3)].node);
+;}
+    break;
+
+
+/* Line 1267 of yacc.c.  */
+#line 1469 "parser.tab.cpp"
+      default: break;
     }
-#endif
+  YY_SYMBOL_PRINT ("-> $$ =", yyr1[yyn], &yyval, &yyloc);
+
+  YYPOPSTACK (yylen);
+  yylen = 0;
+  YY_STACK_PRINT (yyss, yyssp);
 
   *++yyvsp = yyval;
 
-#ifdef YYLSP_NEEDED
-  yylsp++;
-  if (yylen == 0)
-    {
-      yylsp->first_line = yylloc.first_line;
-      yylsp->first_column = yylloc.first_column;
-      yylsp->last_line = (yylsp-1)->last_line;
-      yylsp->last_column = (yylsp-1)->last_column;
-      yylsp->text = 0;
-    }
-  else
-    {
-      yylsp->last_line = (yylsp+yylen-1)->last_line;
-      yylsp->last_column = (yylsp+yylen-1)->last_column;
-    }
-#endif
 
-  /* Now "shift" the result of the reduction.
-     Determine what state that goes to,
-     based on the state we popped back to
-     and the rule number reduced by.  */
+  /* Now `shift' the result of the reduction.  Determine what state
+     that goes to, based on the state we popped back to and the rule
+     number reduced by.  */
 
   yyn = yyr1[yyn];
 
-  yystate = yypgoto[yyn - YYNTBASE] + *yyssp;
-  if (yystate >= 0 && yystate <= YYLAST && yycheck[yystate] == *yyssp)
+  yystate = yypgoto[yyn - YYNTOKENS] + *yyssp;
+  if (0 <= yystate && yystate <= YYLAST && yycheck[yystate] == *yyssp)
     yystate = yytable[yystate];
   else
-    yystate = yydefgoto[yyn - YYNTBASE];
+    yystate = yydefgoto[yyn - YYNTOKENS];
 
   goto yynewstate;
 
-yyerrlab:   /* here on detecting error */
 
-  if (! yyerrstatus)
-    /* If not already recovering from an error, report this error.  */
+/*------------------------------------.
+| yyerrlab -- here on detecting error |
+`------------------------------------*/
+yyerrlab:
+  /* If not already recovering from an error, report this error.  */
+  if (!yyerrstatus)
     {
       ++yynerrs;
-
-#ifdef YYERROR_VERBOSE
-      yyn = yypact[yystate];
-
-      if (yyn > YYFLAG && yyn < YYLAST)
-	{
-	  int size = 0;
-	  char *msg;
-	  int x, count;
-
-	  count = 0;
-	  /* Start X at -yyn if nec to avoid negative indexes in yycheck.  */
-	  for (x = (yyn < 0 ? -yyn : 0);
-	       x < (sizeof(yytname) / sizeof(char *)); x++)
-	    if (yycheck[x + yyn] == x)
-	      size += strlen(yytname[x]) + 15, count++;
-	  msg = (char *) malloc(size + 15);
-	  if (msg != 0)
-	    {
-	      strcpy(msg, "parse error");
-
-	      if (count < 5)
-		{
-		  count = 0;
-		  for (x = (yyn < 0 ? -yyn : 0);
-		       x < (sizeof(yytname) / sizeof(char *)); x++)
-		    if (yycheck[x + yyn] == x)
-		      {
-			strcat(msg, count == 0 ? ", expecting `" : " or `");
-			strcat(msg, yytname[x]);
-			strcat(msg, "'");
-			count++;
-		      }
-		}
-	      yyerror(msg);
-	      free(msg);
-	    }
-	  else
-	    yyerror ("parse error; also virtual memory exceeded");
-	}
-      else
-#endif /* YYERROR_VERBOSE */
-	yyerror("parse error");
+#if ! YYERROR_VERBOSE
+      yyerror (YY_("syntax error"));
+#else
+      {
+	YYSIZE_T yysize = yysyntax_error (0, yystate, yychar);
+	if (yymsg_alloc < yysize && yymsg_alloc < YYSTACK_ALLOC_MAXIMUM)
+	  {
+	    YYSIZE_T yyalloc = 2 * yysize;
+	    if (! (yysize <= yyalloc && yyalloc <= YYSTACK_ALLOC_MAXIMUM))
+	      yyalloc = YYSTACK_ALLOC_MAXIMUM;
+	    if (yymsg != yymsgbuf)
+	      YYSTACK_FREE (yymsg);
+	    yymsg = (char *) YYSTACK_ALLOC (yyalloc);
+	    if (yymsg)
+	      yymsg_alloc = yyalloc;
+	    else
+	      {
+		yymsg = yymsgbuf;
+		yymsg_alloc = sizeof yymsgbuf;
+	      }
+	  }
+
+	if (0 < yysize && yysize <= yymsg_alloc)
+	  {
+	    (void) yysyntax_error (yymsg, yystate, yychar);
+	    yyerror (yymsg);
+	  }
+	else
+	  {
+	    yyerror (YY_("syntax error"));
+	    if (yysize != 0)
+	      goto yyexhaustedlab;
+	  }
+      }
+#endif
     }
 
-  goto yyerrlab1;
-yyerrlab1:   /* here on error raised explicitly by an action */
+
 
   if (yyerrstatus == 3)
     {
-      /* if just tried and failed to reuse lookahead token after an error, discard it.  */
-
-      /* return failure if at end of input */
-      if (yychar == YYEOF)
-	YYABORT;
-
-#if YYDEBUG != 0
-      if (yydebug)
-	fprintf(stderr, "Discarding token %d (%s).\n", yychar, yytname[yychar1]);
-#endif
+      /* If just tried and failed to reuse look-ahead token after an
+	 error, discard it.  */
 
-      yychar = YYEMPTY;
+      if (yychar <= YYEOF)
+	{
+	  /* Return failure if at end of input.  */
+	  if (yychar == YYEOF)
+	    YYABORT;
+	}
+      else
+	{
+	  yydestruct ("Error: discarding",
+		      yytoken, &yylval);
+	  yychar = YYEMPTY;
+	}
     }
 
-  /* Else will try to reuse lookahead token
-     after shifting the error token.  */
+  /* Else will try to reuse look-ahead token after shifting the error
+     token.  */
+  goto yyerrlab1;
 
-  yyerrstatus = 3;		/* Each real token shifted decrements this */
 
-  goto yyerrhandle;
+/*---------------------------------------------------.
+| yyerrorlab -- error raised explicitly by YYERROR.  |
+`---------------------------------------------------*/
+yyerrorlab:
 
-yyerrdefault:  /* current state does not do anything special for the error token. */
+  /* Pacify compilers like GCC when the user code never invokes
+     YYERROR and the label yyerrorlab therefore never appears in user
+     code.  */
+  if (/*CONSTCOND*/ 0)
+     goto yyerrorlab;
 
-#if 0
-  /* This is wrong; only states that explicitly want error tokens
-     should shift them.  */
-  yyn = yydefact[yystate];  /* If its default is to accept any token, ok.  Otherwise pop it.*/
-  if (yyn) goto yydefault;
-#endif
+  /* Do not reclaim the symbols of the rule which action triggered
+     this YYERROR.  */
+  YYPOPSTACK (yylen);
+  yylen = 0;
+  YY_STACK_PRINT (yyss, yyssp);
+  yystate = *yyssp;
+  goto yyerrlab1;
 
-yyerrpop:   /* pop the current state because it cannot handle the error token */
 
-  if (yyssp == yyss) YYABORT;
-  yyvsp--;
-  yystate = *--yyssp;
-#ifdef YYLSP_NEEDED
-  yylsp--;
-#endif
+/*-------------------------------------------------------------.
+| yyerrlab1 -- common code for both syntax error and YYERROR.  |
+`-------------------------------------------------------------*/
+yyerrlab1:
+  yyerrstatus = 3;	/* Each real token shifted decrements this.  */
 
-#if YYDEBUG != 0
-  if (yydebug)
+  for (;;)
     {
-      short *ssp1 = yyss - 1;
-      fprintf (stderr, "Error: state stack now");
-      while (ssp1 != yyssp)
-	fprintf (stderr, " %d", *++ssp1);
-      fprintf (stderr, "\n");
-    }
-#endif
-
-yyerrhandle:
+      yyn = yypact[yystate];
+      if (yyn != YYPACT_NINF)
+	{
+	  yyn += YYTERROR;
+	  if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR)
+	    {
+	      yyn = yytable[yyn];
+	      if (0 < yyn)
+		break;
+	    }
+	}
 
-  yyn = yypact[yystate];
-  if (yyn == YYFLAG)
-    goto yyerrdefault;
+      /* Pop the current state because it cannot handle the error token.  */
+      if (yyssp == yyss)
+	YYABORT;
 
-  yyn += YYTERROR;
-  if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != YYTERROR)
-    goto yyerrdefault;
 
-  yyn = yytable[yyn];
-  if (yyn < 0)
-    {
-      if (yyn == YYFLAG)
-	goto yyerrpop;
-      yyn = -yyn;
-      goto yyreduce;
+      yydestruct ("Error: popping",
+		  yystos[yystate], yyvsp);
+      YYPOPSTACK (1);
+      yystate = *yyssp;
+      YY_STACK_PRINT (yyss, yyssp);
     }
-  else if (yyn == 0)
-    goto yyerrpop;
 
   if (yyn == YYFINAL)
     YYACCEPT;
 
-#if YYDEBUG != 0
-  if (yydebug)
-    fprintf(stderr, "Shifting error token, ");
-#endif
-
   *++yyvsp = yylval;
-#ifdef YYLSP_NEEDED
-  *++yylsp = yylloc;
-#endif
+
+
+  /* Shift the error token.  */
+  YY_SYMBOL_PRINT ("Shifting", yystos[yyn], yyvsp, yylsp);
 
   yystate = yyn;
   goto yynewstate;
 
- yyacceptlab:
-  /* YYACCEPT comes here.  */
-  if (yyfree_stacks)
-    {
-      free (yyss);
-      free (yyvs);
-#ifdef YYLSP_NEEDED
-      free (yyls);
+
+/*-------------------------------------.
+| yyacceptlab -- YYACCEPT comes here.  |
+`-------------------------------------*/
+yyacceptlab:
+  yyresult = 0;
+  goto yyreturn;
+
+/*-----------------------------------.
+| yyabortlab -- YYABORT comes here.  |
+`-----------------------------------*/
+yyabortlab:
+  yyresult = 1;
+  goto yyreturn;
+
+#ifndef yyoverflow
+/*-------------------------------------------------.
+| yyexhaustedlab -- memory exhaustion comes here.  |
+`-------------------------------------------------*/
+yyexhaustedlab:
+  yyerror (YY_("memory exhausted"));
+  yyresult = 2;
+  /* Fall through.  */
 #endif
-    }
-  return 0;
 
- yyabortlab:
-  /* YYABORT comes here.  */
-  if (yyfree_stacks)
+yyreturn:
+  if (yychar != YYEOF && yychar != YYEMPTY)
+     yydestruct ("Cleanup: discarding lookahead",
+		 yytoken, &yylval);
+  /* Do not reclaim the symbols of the rule which action triggered
+     this YYABORT or YYACCEPT.  */
+  YYPOPSTACK (yylen);
+  YY_STACK_PRINT (yyss, yyssp);
+  while (yyssp != yyss)
     {
-      free (yyss);
-      free (yyvs);
-#ifdef YYLSP_NEEDED
-      free (yyls);
-#endif
+      yydestruct ("Cleanup: popping",
+		  yystos[*yyssp], yyvsp);
+      YYPOPSTACK (1);
     }
-  return 1;
+#ifndef yyoverflow
+  if (yyss != yyssa)
+    YYSTACK_FREE (yyss);
+#endif
+#if YYERROR_VERBOSE
+  if (yymsg != yymsgbuf)
+    YYSTACK_FREE (yymsg);
+#endif
+  /* Make sure YYID is used.  */
+  return YYID (yyresult);
 }
+
+
 #line 117 "parser.y"
 
 
@@ -1042,3 +1690,4 @@ int yyerror(char* s)
   force_buffer_flush();
   return 0;
 }
+
diff --git a/contrib/MathEval/parser.tab.hpp b/contrib/MathEval/parser.tab.hpp
index 561b245ad9315b05eb2b1c21bdfd3edfc23e23fb..6430ec6e8f36025349eb7017cc90f1114a273791 100644
--- a/contrib/MathEval/parser.tab.hpp
+++ b/contrib/MathEval/parser.tab.hpp
@@ -1,11 +1,73 @@
-typedef union {
+/* A Bison parser, made by GNU Bison 2.3.  */
+
+/* Skeleton interface for Bison's Yacc-like parsers in C
+
+   Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006
+   Free Software Foundation, Inc.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2, or (at your option)
+   any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin Street, Fifth Floor,
+   Boston, MA 02110-1301, USA.  */
+
+/* As a special exception, you may create a larger work that contains
+   part or all of the Bison parser skeleton and distribute that work
+   under terms of your choice, so long as that work isn't itself a
+   parser generator using the skeleton or a modified version thereof
+   as a parser skeleton.  Alternatively, if you modify or redistribute
+   the parser skeleton itself, you may (at your option) remove this
+   special exception, which will cause the skeleton and the resulting
+   Bison output files to be licensed under the GNU General Public
+   License without this special exception.
+
+   This special exception was added by the Free Software Foundation in
+   version 2.2 of Bison.  */
+
+/* Tokens.  */
+#ifndef YYTOKENTYPE
+# define YYTOKENTYPE
+   /* Put the tokens into the symbol table, so that GDB and other debuggers
+      know about them.  */
+   enum yytokentype {
+     NUMBER = 258,
+     VARIABLE = 259,
+     FUNCTION = 260,
+     NEG = 261
+   };
+#endif
+/* Tokens.  */
+#define NUMBER 258
+#define VARIABLE 259
+#define FUNCTION 260
+#define NEG 261
+
+
+
+
+#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
+typedef union YYSTYPE
+#line 48 "parser.y"
+{
   Node *node;
   Record *record;
-} YYSTYPE;
-#define	NUMBER	257
-#define	VARIABLE	258
-#define	FUNCTION	259
-#define	NEG	260
-
+}
+/* Line 1529 of yacc.c.  */
+#line 66 "parser.tab.hpp"
+	YYSTYPE;
+# define yystype YYSTYPE /* obsolescent; will be withdrawn */
+# define YYSTYPE_IS_DECLARED 1
+# define YYSTYPE_IS_TRIVIAL 1
+#endif
 
 extern YYSTYPE melval;
+
diff --git a/contrib/MathEval/scanner.yy.cpp b/contrib/MathEval/scanner.yy.cpp
index 232093cfe7e679c8eaadc5a04a09b76467ec8806..0caf53117381eb56d847d010c6c301f687d5144b 100644
--- a/contrib/MathEval/scanner.yy.cpp
+++ b/contrib/MathEval/scanner.yy.cpp
@@ -1,50 +1,93 @@
-#define yy_create_buffer me_create_buffer
-#define yy_delete_buffer me_delete_buffer
-#define yy_scan_buffer me_scan_buffer
-#define yy_scan_string me_scan_string
-#define yy_scan_bytes me_scan_bytes
-#define yy_flex_debug me_flex_debug
-#define yy_init_buffer me_init_buffer
-#define yy_flush_buffer me_flush_buffer
-#define yy_load_buffer_state me_load_buffer_state
-#define yy_switch_to_buffer me_switch_to_buffer
-#define yyin mein
-#define yyleng meleng
-#define yylex melex
-#define yyout meout
-#define yyrestart merestart
-#define yytext metext
-#define yywrap mewrap
-
-#line 20 "scanner.yy.cpp"
-/* A lexical scanner generated by flex */
+#line 2 "scanner.yy.cpp"
 
-/* Scanner skeleton version:
- * $Header: /cvsroot/gmsh/contrib/MathEval/scanner.yy.cpp,v 1.3 2008-01-19 00:12:38 geuzaine Exp $
- */
+#line 4 "scanner.yy.cpp"
+
+#define  YY_INT_ALIGNED short int
+
+/* A lexical scanner generated by flex */
 
 #define FLEX_SCANNER
 #define YY_FLEX_MAJOR_VERSION 2
 #define YY_FLEX_MINOR_VERSION 5
+#define YY_FLEX_SUBMINOR_VERSION 33
+#if YY_FLEX_SUBMINOR_VERSION > 0
+#define FLEX_BETA
+#endif
+
+/* First, we deal with  platform-specific or compiler-specific issues. */
 
+/* begin standard C headers. */
 #include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <stdlib.h>
 
+/* end standard C headers. */
 
-/* cfront 1.2 defines "c_plusplus" instead of "__cplusplus" */
-#ifdef c_plusplus
-#ifndef __cplusplus
-#define __cplusplus
-#endif
+/* flex integer type definitions */
+
+#ifndef FLEXINT_H
+#define FLEXINT_H
+
+/* C99 systems have <inttypes.h>. Non-C99 systems may or may not. */
+
+#if __STDC_VERSION__ >= 199901L
+
+/* C99 says to define __STDC_LIMIT_MACROS before including stdint.h,
+ * if you want the limit (max/min) macros for int types. 
+ */
+#ifndef __STDC_LIMIT_MACROS
+#define __STDC_LIMIT_MACROS 1
 #endif
 
+#include <inttypes.h>
+typedef int8_t flex_int8_t;
+typedef uint8_t flex_uint8_t;
+typedef int16_t flex_int16_t;
+typedef uint16_t flex_uint16_t;
+typedef int32_t flex_int32_t;
+typedef uint32_t flex_uint32_t;
+#else
+typedef signed char flex_int8_t;
+typedef short int flex_int16_t;
+typedef int flex_int32_t;
+typedef unsigned char flex_uint8_t; 
+typedef unsigned short int flex_uint16_t;
+typedef unsigned int flex_uint32_t;
+#endif /* ! C99 */
 
-#ifdef __cplusplus
+/* Limits of integral types. */
+#ifndef INT8_MIN
+#define INT8_MIN               (-128)
+#endif
+#ifndef INT16_MIN
+#define INT16_MIN              (-32767-1)
+#endif
+#ifndef INT32_MIN
+#define INT32_MIN              (-2147483647-1)
+#endif
+#ifndef INT8_MAX
+#define INT8_MAX               (127)
+#endif
+#ifndef INT16_MAX
+#define INT16_MAX              (32767)
+#endif
+#ifndef INT32_MAX
+#define INT32_MAX              (2147483647)
+#endif
+#ifndef UINT8_MAX
+#define UINT8_MAX              (255U)
+#endif
+#ifndef UINT16_MAX
+#define UINT16_MAX             (65535U)
+#endif
+#ifndef UINT32_MAX
+#define UINT32_MAX             (4294967295U)
+#endif
 
-#include <stdlib.h>
-//#include <unistd.h>
+#endif /* ! FLEXINT_H */
 
-/* Use prototypes in function declarations. */
-#define YY_USE_PROTOS
+#ifdef __cplusplus
 
 /* The "const" storage-class-modifier is valid. */
 #define YY_USE_CONST
@@ -53,34 +96,17 @@
 
 #if __STDC__
 
-#define YY_USE_PROTOS
 #define YY_USE_CONST
 
 #endif	/* __STDC__ */
 #endif	/* ! __cplusplus */
 
-#ifdef __TURBOC__
- #pragma warn -rch
- #pragma warn -use
-#include <io.h>
-#include <stdlib.h>
-#define YY_USE_CONST
-#define YY_USE_PROTOS
-#endif
-
 #ifdef YY_USE_CONST
 #define yyconst const
 #else
 #define yyconst
 #endif
 
-
-#ifdef YY_USE_PROTOS
-#define YY_PROTO(proto) proto
-#else
-#define YY_PROTO(proto) ()
-#endif
-
 /* Returned upon end-of-file. */
 #define YY_NULL 0
 
@@ -95,71 +121,75 @@
  * but we do it the disgusting crufty way forced on us by the ()-less
  * definition of BEGIN.
  */
-#define BEGIN yy_start = 1 + 2 *
+#define BEGIN (yy_start) = 1 + 2 *
 
 /* Translate the current start state into a value that can be later handed
  * to BEGIN to return to the state.  The YYSTATE alias is for lex
  * compatibility.
  */
-#define YY_START ((yy_start - 1) / 2)
+#define YY_START (((yy_start) - 1) / 2)
 #define YYSTATE YY_START
 
 /* Action number for EOF rule of a given start state. */
 #define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1)
 
 /* Special action meaning "start processing a new file". */
-#define YY_NEW_FILE yyrestart( yyin )
+#define YY_NEW_FILE merestart(mein  )
 
 #define YY_END_OF_BUFFER_CHAR 0
 
 /* Size of default input buffer. */
+#ifndef YY_BUF_SIZE
 #define YY_BUF_SIZE 16384
+#endif
+
+/* The state buf must be large enough to hold one state per character in the main buffer.
+ */
+#define YY_STATE_BUF_SIZE   ((YY_BUF_SIZE + 2) * sizeof(yy_state_type))
 
+#ifndef YY_TYPEDEF_YY_BUFFER_STATE
+#define YY_TYPEDEF_YY_BUFFER_STATE
 typedef struct yy_buffer_state *YY_BUFFER_STATE;
+#endif
+
+extern int meleng;
 
-extern int yyleng;
-extern FILE *yyin, *yyout;
+extern FILE *mein, *meout;
 
 #define EOB_ACT_CONTINUE_SCAN 0
 #define EOB_ACT_END_OF_FILE 1
 #define EOB_ACT_LAST_MATCH 2
 
-/* The funky do-while in the following #define is used to turn the definition
- * int a single C statement (which needs a semi-colon terminator).  This
- * avoids problems with code like:
- *
- * 	if ( condition_holds )
- *		yyless( 5 );
- *	else
- *		do_something_else();
- *
- * Prior to using the do-while the compiler would get upset at the
- * "else" because it interpreted the "if" statement as being all
- * done when it reached the ';' after the yyless() call.
- */
-
-/* Return all but the first 'n' matched characters back to the input stream. */
-
+    #define YY_LESS_LINENO(n)
+    
+/* Return all but the first "n" matched characters back to the input stream. */
 #define yyless(n) \
 	do \
 		{ \
-		/* Undo effects of setting up yytext. */ \
-		*yy_cp = yy_hold_char; \
+		/* Undo effects of setting up metext. */ \
+        int yyless_macro_arg = (n); \
+        YY_LESS_LINENO(yyless_macro_arg);\
+		*yy_cp = (yy_hold_char); \
 		YY_RESTORE_YY_MORE_OFFSET \
-		yy_c_buf_p = yy_cp = yy_bp + n - YY_MORE_ADJ; \
-		YY_DO_BEFORE_ACTION; /* set up yytext again */ \
+		(yy_c_buf_p) = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \
+		YY_DO_BEFORE_ACTION; /* set up metext again */ \
 		} \
 	while ( 0 )
 
-#define unput(c) yyunput( c, yytext_ptr )
+#define unput(c) yyunput( c, (yytext_ptr)  )
 
 /* The following is because we cannot portably get our hands on size_t
  * (without autoconf's help, which isn't available because we want
  * flex-generated scanners to compile on their own).
  */
-typedef unsigned int yy_size_t;
 
+#ifndef YY_TYPEDEF_YY_SIZE_T
+#define YY_TYPEDEF_YY_SIZE_T
+typedef unsigned int yy_size_t;
+#endif
 
+#ifndef YY_STRUCT_YY_BUFFER_STATE
+#define YY_STRUCT_YY_BUFFER_STATE
 struct yy_buffer_state
 	{
 	FILE *yy_input_file;
@@ -196,12 +226,16 @@ struct yy_buffer_state
 	 */
 	int yy_at_bol;
 
+    int yy_bs_lineno; /**< The line count. */
+    int yy_bs_column; /**< The column count. */
+    
 	/* Whether to try to fill the input buffer when we reach the
 	 * end of it.
 	 */
 	int yy_fill_buffer;
 
 	int yy_buffer_status;
+
 #define YY_BUFFER_NEW 0
 #define YY_BUFFER_NORMAL 1
 	/* When an EOF's been seen but there's still some text to process
@@ -211,110 +245,148 @@ struct yy_buffer_state
 	 * possible backing-up.
 	 *
 	 * When we actually see the EOF, we change the status to "new"
-	 * (via yyrestart()), so that the user can continue scanning by
-	 * just pointing yyin at a new input file.
+	 * (via merestart()), so that the user can continue scanning by
+	 * just pointing mein at a new input file.
 	 */
 #define YY_BUFFER_EOF_PENDING 2
+
 	};
+#endif /* !YY_STRUCT_YY_BUFFER_STATE */
 
-static YY_BUFFER_STATE yy_current_buffer = 0;
+/* Stack of input buffers. */
+static size_t yy_buffer_stack_top = 0; /**< index of top of stack. */
+static size_t yy_buffer_stack_max = 0; /**< capacity of stack. */
+static YY_BUFFER_STATE * yy_buffer_stack = 0; /**< Stack as an array. */
 
 /* We provide macros for accessing buffer states in case in the
  * future we want to put the buffer states in a more general
  * "scanner state".
+ *
+ * Returns the top of the stack, or NULL.
  */
-#define YY_CURRENT_BUFFER yy_current_buffer
+#define YY_CURRENT_BUFFER ( (yy_buffer_stack) \
+                          ? (yy_buffer_stack)[(yy_buffer_stack_top)] \
+                          : NULL)
 
+/* Same as previous macro, but useful when we know that the buffer stack is not
+ * NULL or when we need an lvalue. For internal use only.
+ */
+#define YY_CURRENT_BUFFER_LVALUE (yy_buffer_stack)[(yy_buffer_stack_top)]
 
-/* yy_hold_char holds the character lost when yytext is formed. */
+/* yy_hold_char holds the character lost when metext is formed. */
 static char yy_hold_char;
-
 static int yy_n_chars;		/* number of characters read into yy_ch_buf */
-
-
-int yyleng;
+int meleng;
 
 /* Points to current character in buffer. */
 static char *yy_c_buf_p = (char *) 0;
-static int yy_init = 1;		/* whether we need to initialize */
+static int yy_init = 0;		/* whether we need to initialize */
 static int yy_start = 0;	/* start state number */
 
-/* Flag which is used to allow yywrap()'s to do buffer switches
- * instead of setting up a fresh yyin.  A bit of a hack ...
+/* Flag which is used to allow mewrap()'s to do buffer switches
+ * instead of setting up a fresh mein.  A bit of a hack ...
  */
 static int yy_did_buffer_switch_on_eof;
 
-void yyrestart YY_PROTO(( FILE *input_file ));
+void merestart (FILE *input_file  );
+void me_switch_to_buffer (YY_BUFFER_STATE new_buffer  );
+YY_BUFFER_STATE me_create_buffer (FILE *file,int size  );
+void me_delete_buffer (YY_BUFFER_STATE b  );
+void me_flush_buffer (YY_BUFFER_STATE b  );
+void mepush_buffer_state (YY_BUFFER_STATE new_buffer  );
+void mepop_buffer_state (void );
+
+static void meensure_buffer_stack (void );
+static void me_load_buffer_state (void );
+static void me_init_buffer (YY_BUFFER_STATE b,FILE *file  );
 
-void yy_switch_to_buffer YY_PROTO(( YY_BUFFER_STATE new_buffer ));
-void yy_load_buffer_state YY_PROTO(( void ));
-YY_BUFFER_STATE yy_create_buffer YY_PROTO(( FILE *file, int size ));
-void yy_delete_buffer YY_PROTO(( YY_BUFFER_STATE b ));
-void yy_init_buffer YY_PROTO(( YY_BUFFER_STATE b, FILE *file ));
-void yy_flush_buffer YY_PROTO(( YY_BUFFER_STATE b ));
-#define YY_FLUSH_BUFFER yy_flush_buffer( yy_current_buffer )
+#define YY_FLUSH_BUFFER me_flush_buffer(YY_CURRENT_BUFFER )
 
-YY_BUFFER_STATE yy_scan_buffer YY_PROTO(( char *base, yy_size_t size ));
-YY_BUFFER_STATE yy_scan_string YY_PROTO(( yyconst char *yy_str ));
-YY_BUFFER_STATE yy_scan_bytes YY_PROTO(( yyconst char *bytes, int len ));
+YY_BUFFER_STATE me_scan_buffer (char *base,yy_size_t size  );
+YY_BUFFER_STATE me_scan_string (yyconst char *yy_str  );
+YY_BUFFER_STATE me_scan_bytes (yyconst char *bytes,int len  );
 
-static void *yy_flex_alloc YY_PROTO(( yy_size_t ));
-static void *yy_flex_realloc YY_PROTO(( void *, yy_size_t ));
-static void yy_flex_free YY_PROTO(( void * ));
+void *mealloc (yy_size_t  );
+void *merealloc (void *,yy_size_t  );
+void mefree (void *  );
 
-#define yy_new_buffer yy_create_buffer
+#define yy_new_buffer me_create_buffer
 
 #define yy_set_interactive(is_interactive) \
 	{ \
-	if ( ! yy_current_buffer ) \
-		yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE ); \
-	yy_current_buffer->yy_is_interactive = is_interactive; \
+	if ( ! YY_CURRENT_BUFFER ){ \
+        meensure_buffer_stack (); \
+		YY_CURRENT_BUFFER_LVALUE =    \
+            me_create_buffer(mein,YY_BUF_SIZE ); \
+	} \
+	YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \
 	}
 
 #define yy_set_bol(at_bol) \
 	{ \
-	if ( ! yy_current_buffer ) \
-		yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE ); \
-	yy_current_buffer->yy_at_bol = at_bol; \
+	if ( ! YY_CURRENT_BUFFER ){\
+        meensure_buffer_stack (); \
+		YY_CURRENT_BUFFER_LVALUE =    \
+            me_create_buffer(mein,YY_BUF_SIZE ); \
+	} \
+	YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \
 	}
 
-#define YY_AT_BOL() (yy_current_buffer->yy_at_bol)
+#define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol)
+
+/* Begin user sect3 */
 
 typedef unsigned char YY_CHAR;
-FILE *yyin = (FILE *) 0, *yyout = (FILE *) 0;
+
+FILE *mein = (FILE *) 0, *meout = (FILE *) 0;
+
 typedef int yy_state_type;
-extern char *yytext;
-#define yytext_ptr yytext
 
-static yy_state_type yy_get_previous_state YY_PROTO(( void ));
-static yy_state_type yy_try_NUL_trans YY_PROTO(( yy_state_type current_state ));
-static int yy_get_next_buffer YY_PROTO(( void ));
-static void yy_fatal_error YY_PROTO(( yyconst char msg[] ));
+extern int melineno;
+
+int melineno = 1;
+
+extern char *metext;
+#define yytext_ptr metext
+
+static yy_state_type yy_get_previous_state (void );
+static yy_state_type yy_try_NUL_trans (yy_state_type current_state  );
+static int yy_get_next_buffer (void );
+static void yy_fatal_error (yyconst char msg[]  );
 
 /* Done after the current pattern has been matched and before the
- * corresponding action - sets up yytext.
+ * corresponding action - sets up metext.
  */
 #define YY_DO_BEFORE_ACTION \
-	yytext_ptr = yy_bp; \
-	yyleng = (int) (yy_cp - yy_bp); \
-	yy_hold_char = *yy_cp; \
+	(yytext_ptr) = yy_bp; \
+	meleng = (size_t) (yy_cp - yy_bp); \
+	(yy_hold_char) = *yy_cp; \
 	*yy_cp = '\0'; \
-	yy_c_buf_p = yy_cp;
+	(yy_c_buf_p) = yy_cp;
 
 #define YY_NUM_RULES 13
 #define YY_END_OF_BUFFER 14
-static yyconst short int yy_accept[67] =
+/* This struct is not used in this scanner,
+   but its presence is necessary. */
+struct yy_trans_info
+	{
+	flex_int32_t yy_verify;
+	flex_int32_t yy_nxt;
+	};
+static yyconst flex_int16_t yy_accept[87] =
     {   0,
         0,    0,   14,   13,    1,   12,   10,   11,    7,    5,
         6,   13,    8,    2,    4,    4,    4,    4,    4,    4,
-        4,    4,    4,    9,    1,    2,    2,    2,    0,    4,
+        4,    4,    4,    4,    4,    4,    9,    1,    2,    2,
+        2,    0,    4,    4,    4,    4,    4,    4,    4,    4,
         4,    4,    4,    4,    4,    4,    4,    4,    4,    4,
-        4,    4,    2,    0,    2,    4,    4,    4,    4,    3,
-        4,    3,    4,    3,    4,    3,    4,    3,    3,    4,
-        3,    3,    3,    4,    3,    0
+        2,    0,    2,    4,    4,    4,    4,    3,    4,    4,
+        3,    4,    4,    4,    3,    4,    4,    3,    4,    4,
+        3,    3,    4,    3,    3,    3,    4,    4,    4,    4,
+        4,    3,    4,    4,    4,    0
     } ;
 
-static yyconst int yy_ec[256] =
+static yyconst flex_int32_t yy_ec[256] =
     {   0,
         1,    1,    1,    1,    1,    1,    1,    1,    2,    3,
         1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
@@ -322,13 +394,13 @@ static yyconst int yy_ec[256] =
         1,    2,    1,    1,    1,    1,    1,    1,    1,    4,
         5,    6,    7,    1,    8,    9,   10,   11,   12,   13,
        13,   13,   13,   13,   13,   13,   13,    1,    1,    1,
-        1,    1,    1,    1,   14,   15,   16,   15,   17,   18,
-       15,   15,   15,   15,   15,   19,   15,   15,   15,   15,
-       15,   20,   21,   22,   15,   15,   15,   15,   15,   15,
-        1,    1,    1,   23,   15,    1,   24,   25,   26,   27,
+        1,    1,    1,    1,   14,   15,   16,   17,   18,   19,
+       15,   20,   15,   15,   15,   21,   15,   22,   15,   15,
+       15,   23,   24,   25,   15,   15,   15,   15,   15,   15,
+        1,    1,    1,   26,   15,    1,   27,   28,   29,   30,
 
-       28,   15,   29,   30,   31,   15,   15,   15,   15,   32,
-       33,   34,   35,   36,   37,   38,   15,   15,   15,   39,
+       31,   15,   32,   33,   34,   15,   15,   35,   15,   36,
+       37,   38,   39,   40,   41,   42,   15,   43,   15,   44,
        15,   15,    1,    1,    1,    1,    1,    1,    1,    1,
         1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
         1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
@@ -346,83 +418,99 @@ static yyconst int yy_ec[256] =
         1,    1,    1,    1,    1
     } ;
 
-static yyconst int yy_meta[40] =
+static yyconst flex_int32_t yy_meta[45] =
     {   0,
         1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
         2,    2,    2,    2,    2,    2,    2,    2,    2,    2,
-        2,    2,    1,    2,    2,    2,    2,    2,    2,    2,
-        2,    2,    2,    2,    2,    2,    2,    2,    2
+        2,    2,    2,    2,    2,    1,    2,    2,    2,    2,
+        2,    2,    2,    2,    2,    2,    2,    2,    2,    2,
+        2,    2,    2,    2
     } ;
 
-static yyconst short int yy_base[68] =
+static yyconst flex_int16_t yy_base[88] =
     {   0,
-        0,    0,  122,  123,  119,  123,  123,  123,  123,  123,
-      123,   29,  123,   34,   18,    0,   15,   81,   95,   85,
-       93,   19,   92,  123,  113,   46,   53,    0,   60,    0,
-       42,   83,   89,   75,   87,   76,   84,   79,   75,   74,
-       69,   72,   65,   72,   75,   66,   78,   69,   68,   69,
-       66,    0,   60,   84,   68,   64,   54,   61,   60,   57,
-       49,   39,   31,   49,   22,  123,   47
+        0,    0,  155,  156,  152,  156,  156,  156,  156,  156,
+      156,   34,  156,   39,   20,    0,   16,  122,  108,   28,
+      120,  113,  122,  121,   25,  120,  156,  144,   60,   63,
+       71,   85,    0,   23,  111,  117,  102,  115,  106,  102,
+      111,  101,  110,  104,   99,   98,   97,   92,  100,   94,
+       88,   74,   92,   88,  101,   91,   90,   92,   88,   81,
+        0,   81,   84,   77,  106,  100,   86,   82,   72,   75,
+       79,   78,   74,   76,   75,   74,   68,   50,   64,   68,
+       46,   36,   33,   24,   29,  156,   52
     } ;
 
-static yyconst short int yy_def[68] =
+static yyconst flex_int16_t yy_def[88] =
     {   0,
-       66,    1,   66,   66,   66,   66,   66,   66,   66,   66,
-       66,   66,   66,   66,   67,   67,   67,   67,   67,   67,
-       67,   67,   67,   66,   66,   66,   66,   14,   66,   67,
-       67,   67,   67,   67,   67,   67,   67,   67,   67,   67,
-       67,   67,   66,   66,   66,   67,   67,   67,   67,   67,
-       67,   67,   67,   67,   67,   67,   67,   67,   67,   67,
-       67,   67,   67,   67,   67,    0,   66
+       86,    1,   86,   86,   86,   86,   86,   86,   86,   86,
+       86,   86,   86,   86,   87,   87,   87,   87,   87,   87,
+       87,   87,   87,   87,   87,   87,   86,   86,   86,   86,
+       86,   86,   87,   87,   87,   87,   87,   87,   87,   87,
+       87,   87,   87,   87,   87,   87,   87,   87,   87,   87,
+       86,   86,   86,   87,   87,   87,   87,   87,   87,   87,
+       87,   87,   87,   87,   87,   87,   87,   87,   87,   87,
+       87,   87,   87,   87,   87,   87,   87,   87,   87,   87,
+       87,   87,   87,   87,   87,    0,   86
     } ;
 
-static yyconst short int yy_nxt[163] =
+static yyconst flex_int16_t yy_nxt[201] =
     {   0,
         4,    5,    6,    7,    8,    9,   10,   11,   12,   13,
        14,   14,   14,   15,   16,   17,   18,   19,   20,   21,
-       22,   23,   24,   16,   16,   16,   16,   16,   16,   16,
-       16,   16,   16,   16,   16,   16,   16,   16,   16,   26,
-       26,   26,   27,   31,   28,   28,   28,   34,   30,   40,
-       29,   52,   35,   41,   32,   33,   26,   26,   26,   52,
-       52,   29,   29,   43,   43,   43,   44,   44,   52,   29,
-       45,   45,   45,   29,   46,   43,   43,   43,   52,   47,
-       29,   29,   45,   45,   45,   45,   45,   45,   65,   52,
-       52,   52,   29,   52,   52,   64,   52,   63,   52,   62,
-
-       61,   60,   59,   58,   57,   56,   55,   54,   53,   52,
-       51,   50,   49,   48,   25,   42,   39,   38,   37,   36,
-       25,   66,    3,   66,   66,   66,   66,   66,   66,   66,
-       66,   66,   66,   66,   66,   66,   66,   66,   66,   66,
-       66,   66,   66,   66,   66,   66,   66,   66,   66,   66,
-       66,   66,   66,   66,   66,   66,   66,   66,   66,   66,
-       66,   66
+       22,   23,   24,   25,   26,   27,   16,   16,   16,   16,
+       16,   16,   16,   16,   16,   16,   16,   16,   16,   16,
+       16,   16,   16,   16,   29,   29,   29,   30,   34,   31,
+       31,   31,   37,   33,   41,   61,   32,   38,   47,   54,
+       35,   36,   42,   48,   55,   85,   49,   84,   61,   32,
+       29,   29,   29,   51,   51,   51,   83,   32,   61,   30,
+       32,   31,   31,   31,   53,   53,   53,   61,   32,   61,
+       32,   52,   52,   32,   61,   53,   53,   53,   51,   51,
+
+       51,   32,   53,   53,   53,   32,   61,   61,   61,   82,
+       61,   61,   61,   61,   61,   61,   81,   80,   32,   79,
+       78,   61,   77,   76,   61,   75,   74,   73,   72,   71,
+       70,   69,   68,   67,   66,   65,   64,   63,   62,   61,
+       60,   59,   58,   57,   56,   28,   50,   46,   45,   44,
+       43,   40,   39,   28,   86,    3,   86,   86,   86,   86,
+       86,   86,   86,   86,   86,   86,   86,   86,   86,   86,
+       86,   86,   86,   86,   86,   86,   86,   86,   86,   86,
+       86,   86,   86,   86,   86,   86,   86,   86,   86,   86,
+       86,   86,   86,   86,   86,   86,   86,   86,   86,   86
+
     } ;
 
-static yyconst short int yy_chk[163] =
+static yyconst flex_int16_t yy_chk[201] =
     {   0,
         1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
         1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
         1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
-        1,    1,    1,    1,    1,    1,    1,    1,    1,   12,
-       12,   12,   14,   15,   14,   14,   14,   17,   67,   22,
-       14,   65,   17,   22,   15,   15,   26,   26,   26,   64,
-       63,   14,   26,   27,   27,   27,   29,   29,   62,   27,
-       29,   29,   29,   26,   31,   43,   43,   43,   61,   31,
-       27,   43,   44,   44,   44,   45,   45,   45,   60,   59,
-       58,   57,   43,   56,   55,   54,   53,   51,   50,   49,
-
-       48,   47,   46,   42,   41,   40,   39,   38,   37,   36,
-       35,   34,   33,   32,   25,   23,   21,   20,   19,   18,
-        5,    3,   66,   66,   66,   66,   66,   66,   66,   66,
-       66,   66,   66,   66,   66,   66,   66,   66,   66,   66,
-       66,   66,   66,   66,   66,   66,   66,   66,   66,   66,
-       66,   66,   66,   66,   66,   66,   66,   66,   66,   66,
-       66,   66
+        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
+        1,    1,    1,    1,   12,   12,   12,   14,   15,   14,
+       14,   14,   17,   87,   20,   85,   14,   17,   25,   34,
+       15,   15,   20,   25,   34,   84,   25,   83,   82,   14,
+       29,   29,   29,   30,   30,   30,   81,   29,   80,   31,
+       30,   31,   31,   31,   52,   52,   52,   79,   31,   78,
+       29,   32,   32,   30,   77,   32,   32,   32,   51,   51,
+
+       51,   31,   53,   53,   53,   51,   76,   75,   74,   73,
+       72,   71,   70,   69,   68,   67,   66,   65,   51,   64,
+       63,   62,   60,   59,   58,   57,   56,   55,   54,   50,
+       49,   48,   47,   46,   45,   44,   43,   42,   41,   40,
+       39,   38,   37,   36,   35,   28,   26,   24,   23,   22,
+       21,   19,   18,    5,    3,   86,   86,   86,   86,   86,
+       86,   86,   86,   86,   86,   86,   86,   86,   86,   86,
+       86,   86,   86,   86,   86,   86,   86,   86,   86,   86,
+       86,   86,   86,   86,   86,   86,   86,   86,   86,   86,
+       86,   86,   86,   86,   86,   86,   86,   86,   86,   86
+
     } ;
 
 static yy_state_type yy_last_accepting_state;
 static char *yy_last_accepting_cpos;
 
+extern int me_flex_debug;
+int me_flex_debug = 0;
+
 /* The intent behind this definition is that it'll catch
  * any uses of REJECT which flex missed.
  */
@@ -430,9 +518,8 @@ static char *yy_last_accepting_cpos;
 #define yymore() yymore_used_but_not_detected
 #define YY_MORE_ADJ 0
 #define YY_RESTORE_YY_MORE_OFFSET
-char *yytext;
+char *metext;
 #line 1 "scanner.l"
-#define INITIAL 0
 #line 2 "scanner.l"
 /*
  * Copyright (C) 1999, 2002, 2003  Free Software Foundation, Inc.
@@ -476,7 +563,23 @@ extern char *matheval_input_string; /* String representing function.  */
 /* Read next max_size character from string into buffer.  */
 static int input_from_string (char *buffer, int max_size);
 /* Token definitions.  */
-#line 480 "scanner.yy.cpp"
+#line 567 "scanner.yy.cpp"
+
+#define INITIAL 0
+
+#ifndef YY_NO_UNISTD_H
+/* Special case for "unistd.h", since it is non-ANSI. We include it way
+ * down here because we want the user's section 1 to have been scanned first.
+ * The user has a chance to override it with an option.
+ */
+#include <unistd.h>
+#endif
+
+#ifndef YY_EXTRA_TYPE
+#define YY_EXTRA_TYPE void *
+#endif
+
+static int yy_init_globals (void );
 
 /* Macros after this point can all be overridden by user definitions in
  * section 1.
@@ -484,65 +587,30 @@ static int input_from_string (char *buffer, int max_size);
 
 #ifndef YY_SKIP_YYWRAP
 #ifdef __cplusplus
-extern "C" int yywrap YY_PROTO(( void ));
+extern "C" int mewrap (void );
 #else
-extern int yywrap YY_PROTO(( void ));
+extern int mewrap (void );
 #endif
 #endif
 
-#ifndef YY_NO_UNPUT
-static void yyunput YY_PROTO(( int c, char *buf_ptr ));
-#endif
-
+    static void yyunput (int c,char *buf_ptr  );
+    
 #ifndef yytext_ptr
-static void yy_flex_strncpy YY_PROTO(( char *, yyconst char *, int ));
+static void yy_flex_strncpy (char *,yyconst char *,int );
 #endif
 
 #ifdef YY_NEED_STRLEN
-static int yy_flex_strlen YY_PROTO(( yyconst char * ));
+static int yy_flex_strlen (yyconst char * );
 #endif
 
 #ifndef YY_NO_INPUT
-#ifdef __cplusplus
-static int yyinput YY_PROTO(( void ));
-#else
-static int input YY_PROTO(( void ));
-#endif
-#endif
-
-#if YY_STACK_USED
-static int yy_start_stack_ptr = 0;
-static int yy_start_stack_depth = 0;
-static int *yy_start_stack = 0;
-#ifndef YY_NO_PUSH_STATE
-static void yy_push_state YY_PROTO(( int new_state ));
-#endif
-#ifndef YY_NO_POP_STATE
-static void yy_pop_state YY_PROTO(( void ));
-#endif
-#ifndef YY_NO_TOP_STATE
-static int yy_top_state YY_PROTO(( void ));
-#endif
 
+#ifdef __cplusplus
+static int yyinput (void );
 #else
-#define YY_NO_PUSH_STATE 1
-#define YY_NO_POP_STATE 1
-#define YY_NO_TOP_STATE 1
+static int input (void );
 #endif
 
-#ifdef YY_MALLOC_DECL
-YY_MALLOC_DECL
-#else
-#if __STDC__
-#ifndef __cplusplus
-#include <stdlib.h>
-#endif
-#else
-/* Just try to get by without declaring the routines.  This will fail
- * miserably on non-ANSI systems for which sizeof(size_t) != sizeof(int)
- * or sizeof(void*) != sizeof(int).
- */
-#endif
 #endif
 
 /* Amount of stuff to slurp up with each read. */
@@ -551,12 +619,11 @@ YY_MALLOC_DECL
 #endif
 
 /* Copy whatever the last rule matched to the standard output. */
-
 #ifndef ECHO
 /* This used to be an fputs(), but since the string might contain NUL's,
  * we now use fwrite().
  */
-#define ECHO (void) fwrite( yytext, yyleng, 1, yyout )
+#define ECHO (void) fwrite( metext, meleng, 1, meout )
 #endif
 
 /* Gets input and stuffs it into "buf".  number of characters read, or YY_NULL,
@@ -564,21 +631,35 @@ YY_MALLOC_DECL
  */
 #ifndef YY_INPUT
 #define YY_INPUT(buf,result,max_size) \
-	if ( yy_current_buffer->yy_is_interactive ) \
+	if ( YY_CURRENT_BUFFER_LVALUE->yy_is_interactive ) \
 		{ \
-		int c = '*', n; \
+		int c = '*'; \
+		size_t n; \
 		for ( n = 0; n < max_size && \
-			     (c = getc( yyin )) != EOF && c != '\n'; ++n ) \
+			     (c = getc( mein )) != EOF && c != '\n'; ++n ) \
 			buf[n] = (char) c; \
 		if ( c == '\n' ) \
 			buf[n++] = (char) c; \
-		if ( c == EOF && ferror( yyin ) ) \
+		if ( c == EOF && ferror( mein ) ) \
 			YY_FATAL_ERROR( "input in flex scanner failed" ); \
 		result = n; \
 		} \
-	else if ( ((result = fread( buf, 1, max_size, yyin )) == 0) \
-		  && ferror( yyin ) ) \
-		YY_FATAL_ERROR( "input in flex scanner failed" );
+	else \
+		{ \
+		errno=0; \
+		while ( (result = fread(buf, 1, max_size, mein))==0 && ferror(mein)) \
+			{ \
+			if( errno != EINTR) \
+				{ \
+				YY_FATAL_ERROR( "input in flex scanner failed" ); \
+				break; \
+				} \
+			errno=0; \
+			clearerr(mein); \
+			} \
+		}\
+\
+
 #endif
 
 /* No semi-colon after return; correct usage is to write "yyterminate();" -
@@ -599,14 +680,20 @@ YY_MALLOC_DECL
 #define YY_FATAL_ERROR(msg) yy_fatal_error( msg )
 #endif
 
+/* end tables serialization structures and prototypes */
+
 /* Default declaration of generated scanner - a define so the user can
  * easily add parameters.
  */
 #ifndef YY_DECL
-#define YY_DECL int yylex YY_PROTO(( void ))
-#endif
+#define YY_DECL_IS_OURS 1
+
+extern int melex (void);
+
+#define YY_DECL int melex (void)
+#endif /* !YY_DECL */
 
-/* Code executed at the beginning of each rule, after yytext and yyleng
+/* Code executed at the beginning of each rule, after metext and meleng
  * have been set up.
  */
 #ifndef YY_USER_ACTION
@@ -621,96 +708,98 @@ YY_MALLOC_DECL
 #define YY_RULE_SETUP \
 	YY_USER_ACTION
 
+/** The main scanner function which does all the work.
+ */
 YY_DECL
-	{
+{
 	register yy_state_type yy_current_state;
 	register char *yy_cp, *yy_bp;
 	register int yy_act;
-
+    
 #line 52 "scanner.l"
 
 
-#line 634 "scanner.yy.cpp"
+#line 723 "scanner.yy.cpp"
 
-	if ( yy_init )
+	if ( !(yy_init) )
 		{
-		yy_init = 0;
+		(yy_init) = 1;
 
 #ifdef YY_USER_INIT
 		YY_USER_INIT;
 #endif
 
-		if ( ! yy_start )
-			yy_start = 1;	/* first start state */
+		if ( ! (yy_start) )
+			(yy_start) = 1;	/* first start state */
 
-		if ( ! yyin )
-			yyin = stdin;
+		if ( ! mein )
+			mein = stdin;
 
-		if ( ! yyout )
-			yyout = stdout;
+		if ( ! meout )
+			meout = stdout;
 
-		if ( ! yy_current_buffer )
-			yy_current_buffer =
-				yy_create_buffer( yyin, YY_BUF_SIZE );
+		if ( ! YY_CURRENT_BUFFER ) {
+			meensure_buffer_stack ();
+			YY_CURRENT_BUFFER_LVALUE =
+				me_create_buffer(mein,YY_BUF_SIZE );
+		}
 
-		yy_load_buffer_state();
+		me_load_buffer_state( );
 		}
 
 	while ( 1 )		/* loops until end-of-file is reached */
 		{
-		yy_cp = yy_c_buf_p;
+		yy_cp = (yy_c_buf_p);
 
-		/* Support of yytext. */
-		*yy_cp = yy_hold_char;
+		/* Support of metext. */
+		*yy_cp = (yy_hold_char);
 
 		/* yy_bp points to the position in yy_ch_buf of the start of
 		 * the current run.
 		 */
 		yy_bp = yy_cp;
 
-		yy_current_state = yy_start;
+		yy_current_state = (yy_start);
 yy_match:
 		do
 			{
 			register YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)];
 			if ( yy_accept[yy_current_state] )
 				{
-				yy_last_accepting_state = yy_current_state;
-				yy_last_accepting_cpos = yy_cp;
+				(yy_last_accepting_state) = yy_current_state;
+				(yy_last_accepting_cpos) = yy_cp;
 				}
 			while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
 				{
 				yy_current_state = (int) yy_def[yy_current_state];
-				if ( yy_current_state >= 67 )
+				if ( yy_current_state >= 87 )
 					yy_c = yy_meta[(unsigned int) yy_c];
 				}
 			yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
 			++yy_cp;
 			}
-		while ( yy_base[yy_current_state] != 123 );
+		while ( yy_base[yy_current_state] != 156 );
 
 yy_find_action:
 		yy_act = yy_accept[yy_current_state];
 		if ( yy_act == 0 )
 			{ /* have to back up */
-			yy_cp = yy_last_accepting_cpos;
-			yy_current_state = yy_last_accepting_state;
+			yy_cp = (yy_last_accepting_cpos);
+			yy_current_state = (yy_last_accepting_state);
 			yy_act = yy_accept[yy_current_state];
 			}
 
 		YY_DO_BEFORE_ACTION;
 
-
 do_action:	/* This label is used only to access EOF actions. */
 
-
 		switch ( yy_act )
 	{ /* beginning of action switch */
 			case 0: /* must back up */
 			/* undo the effects of YY_DO_BEFORE_ACTION */
-			*yy_cp = yy_hold_char;
-			yy_cp = yy_last_accepting_cpos;
-			yy_current_state = yy_last_accepting_state;
+			*yy_cp = (yy_hold_char);
+			yy_cp = (yy_last_accepting_cpos);
+			yy_current_state = (yy_last_accepting_state);
 			goto yy_find_action;
 
 case 1:
@@ -797,6 +886,7 @@ YY_RULE_SETUP
 }
 	YY_BREAK
 case 12:
+/* rule 12 can match eol */
 YY_RULE_SETUP
 #line 104 "scanner.l"
 {
@@ -808,33 +898,33 @@ YY_RULE_SETUP
 #line 108 "scanner.l"
 ECHO;
 	YY_BREAK
-#line 812 "scanner.yy.cpp"
+#line 902 "scanner.yy.cpp"
 case YY_STATE_EOF(INITIAL):
 	yyterminate();
 
 	case YY_END_OF_BUFFER:
 		{
 		/* Amount of text matched not including the EOB char. */
-		int yy_amount_of_matched_text = (int) (yy_cp - yytext_ptr) - 1;
+		int yy_amount_of_matched_text = (int) (yy_cp - (yytext_ptr)) - 1;
 
 		/* Undo the effects of YY_DO_BEFORE_ACTION. */
-		*yy_cp = yy_hold_char;
+		*yy_cp = (yy_hold_char);
 		YY_RESTORE_YY_MORE_OFFSET
 
-		if ( yy_current_buffer->yy_buffer_status == YY_BUFFER_NEW )
+		if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_NEW )
 			{
 			/* We're scanning a new file or input source.  It's
 			 * possible that this happened because the user
-			 * just pointed yyin at a new source and called
-			 * yylex().  If so, then we have to assure
-			 * consistency between yy_current_buffer and our
+			 * just pointed mein at a new source and called
+			 * melex().  If so, then we have to assure
+			 * consistency between YY_CURRENT_BUFFER and our
 			 * globals.  Here is the right place to do so, because
 			 * this is the first action (other than possibly a
 			 * back-up) that will match for the new input source.
 			 */
-			yy_n_chars = yy_current_buffer->yy_n_chars;
-			yy_current_buffer->yy_input_file = yyin;
-			yy_current_buffer->yy_buffer_status = YY_BUFFER_NORMAL;
+			(yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
+			YY_CURRENT_BUFFER_LVALUE->yy_input_file = mein;
+			YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_NORMAL;
 			}
 
 		/* Note that here we test for yy_c_buf_p "<=" to the position
@@ -844,13 +934,13 @@ case YY_STATE_EOF(INITIAL):
 		 * end-of-buffer state).  Contrast this with the test
 		 * in input().
 		 */
-		if ( yy_c_buf_p <= &yy_current_buffer->yy_ch_buf[yy_n_chars] )
+		if ( (yy_c_buf_p) <= &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] )
 			{ /* This was really a NUL. */
 			yy_state_type yy_next_state;
 
-			yy_c_buf_p = yytext_ptr + yy_amount_of_matched_text;
+			(yy_c_buf_p) = (yytext_ptr) + yy_amount_of_matched_text;
 
-			yy_current_state = yy_get_previous_state();
+			yy_current_state = yy_get_previous_state(  );
 
 			/* Okay, we're now positioned to make the NUL
 			 * transition.  We couldn't have
@@ -863,41 +953,41 @@ case YY_STATE_EOF(INITIAL):
 
 			yy_next_state = yy_try_NUL_trans( yy_current_state );
 
-			yy_bp = yytext_ptr + YY_MORE_ADJ;
+			yy_bp = (yytext_ptr) + YY_MORE_ADJ;
 
 			if ( yy_next_state )
 				{
 				/* Consume the NUL. */
-				yy_cp = ++yy_c_buf_p;
+				yy_cp = ++(yy_c_buf_p);
 				yy_current_state = yy_next_state;
 				goto yy_match;
 				}
 
 			else
 				{
-				yy_cp = yy_c_buf_p;
+				yy_cp = (yy_c_buf_p);
 				goto yy_find_action;
 				}
 			}
 
-		else switch ( yy_get_next_buffer() )
+		else switch ( yy_get_next_buffer(  ) )
 			{
 			case EOB_ACT_END_OF_FILE:
 				{
-				yy_did_buffer_switch_on_eof = 0;
+				(yy_did_buffer_switch_on_eof) = 0;
 
-				if ( yywrap() )
+				if ( mewrap( ) )
 					{
 					/* Note: because we've taken care in
 					 * yy_get_next_buffer() to have set up
-					 * yytext, we can now set up
+					 * metext, we can now set up
 					 * yy_c_buf_p so that if some total
 					 * hoser (like flex itself) wants to
 					 * call the scanner after we return the
 					 * YY_NULL, it'll still work - another
 					 * YY_NULL will get returned.
 					 */
-					yy_c_buf_p = yytext_ptr + YY_MORE_ADJ;
+					(yy_c_buf_p) = (yytext_ptr) + YY_MORE_ADJ;
 
 					yy_act = YY_STATE_EOF(YY_START);
 					goto do_action;
@@ -905,30 +995,30 @@ case YY_STATE_EOF(INITIAL):
 
 				else
 					{
-					if ( ! yy_did_buffer_switch_on_eof )
+					if ( ! (yy_did_buffer_switch_on_eof) )
 						YY_NEW_FILE;
 					}
 				break;
 				}
 
 			case EOB_ACT_CONTINUE_SCAN:
-				yy_c_buf_p =
-					yytext_ptr + yy_amount_of_matched_text;
+				(yy_c_buf_p) =
+					(yytext_ptr) + yy_amount_of_matched_text;
 
-				yy_current_state = yy_get_previous_state();
+				yy_current_state = yy_get_previous_state(  );
 
-				yy_cp = yy_c_buf_p;
-				yy_bp = yytext_ptr + YY_MORE_ADJ;
+				yy_cp = (yy_c_buf_p);
+				yy_bp = (yytext_ptr) + YY_MORE_ADJ;
 				goto yy_match;
 
 			case EOB_ACT_LAST_MATCH:
-				yy_c_buf_p =
-				&yy_current_buffer->yy_ch_buf[yy_n_chars];
+				(yy_c_buf_p) =
+				&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)];
 
-				yy_current_state = yy_get_previous_state();
+				yy_current_state = yy_get_previous_state(  );
 
-				yy_cp = yy_c_buf_p;
-				yy_bp = yytext_ptr + YY_MORE_ADJ;
+				yy_cp = (yy_c_buf_p);
+				yy_bp = (yytext_ptr) + YY_MORE_ADJ;
 				goto yy_find_action;
 			}
 		break;
@@ -939,8 +1029,7 @@ case YY_STATE_EOF(INITIAL):
 			"fatal flex scanner internal error--no action found" );
 	} /* end of action switch */
 		} /* end of scanning one token */
-	} /* end of yylex */
-
+} /* end of melex */
 
 /* yy_get_next_buffer - try to read in a new buffer
  *
@@ -949,21 +1038,20 @@ case YY_STATE_EOF(INITIAL):
  *	EOB_ACT_CONTINUE_SCAN - continue scanning from current position
  *	EOB_ACT_END_OF_FILE - end of file
  */
-
-static int yy_get_next_buffer()
-	{
-	register char *dest = yy_current_buffer->yy_ch_buf;
-	register char *source = yytext_ptr;
+static int yy_get_next_buffer (void)
+{
+    	register char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf;
+	register char *source = (yytext_ptr);
 	register int number_to_move, i;
 	int ret_val;
 
-	if ( yy_c_buf_p > &yy_current_buffer->yy_ch_buf[yy_n_chars + 1] )
+	if ( (yy_c_buf_p) > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] )
 		YY_FATAL_ERROR(
 		"fatal flex scanner internal error--end of buffer missed" );
 
-	if ( yy_current_buffer->yy_fill_buffer == 0 )
+	if ( YY_CURRENT_BUFFER_LVALUE->yy_fill_buffer == 0 )
 		{ /* Don't try to fill the buffer, so this is an EOF. */
-		if ( yy_c_buf_p - yytext_ptr - YY_MORE_ADJ == 1 )
+		if ( (yy_c_buf_p) - (yytext_ptr) - YY_MORE_ADJ == 1 )
 			{
 			/* We matched a single character, the EOB, so
 			 * treat this as a final EOF.
@@ -983,34 +1071,30 @@ static int yy_get_next_buffer()
 	/* Try to read more data. */
 
 	/* First move last chars to start of buffer. */
-	number_to_move = (int) (yy_c_buf_p - yytext_ptr) - 1;
+	number_to_move = (int) ((yy_c_buf_p) - (yytext_ptr)) - 1;
 
 	for ( i = 0; i < number_to_move; ++i )
 		*(dest++) = *(source++);
 
-	if ( yy_current_buffer->yy_buffer_status == YY_BUFFER_EOF_PENDING )
+	if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_EOF_PENDING )
 		/* don't do the read, it's not guaranteed to return an EOF,
 		 * just force an EOF
 		 */
-		yy_current_buffer->yy_n_chars = yy_n_chars = 0;
+		YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars) = 0;
 
 	else
 		{
-		int num_to_read =
-			yy_current_buffer->yy_buf_size - number_to_move - 1;
+			int num_to_read =
+			YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1;
 
 		while ( num_to_read <= 0 )
 			{ /* Not enough room in the buffer - grow it. */
-#ifdef YY_USES_REJECT
-			YY_FATAL_ERROR(
-"input buffer overflow, can't enlarge buffer because scanner uses REJECT" );
-#else
 
 			/* just a shorter name for the current buffer */
-			YY_BUFFER_STATE b = yy_current_buffer;
+			YY_BUFFER_STATE b = YY_CURRENT_BUFFER;
 
 			int yy_c_buf_p_offset =
-				(int) (yy_c_buf_p - b->yy_ch_buf);
+				(int) ((yy_c_buf_p) - b->yy_ch_buf);
 
 			if ( b->yy_is_our_buffer )
 				{
@@ -1023,8 +1107,7 @@ static int yy_get_next_buffer()
 
 				b->yy_ch_buf = (char *)
 					/* Include room in for 2 EOB chars. */
-					yy_flex_realloc( (void *) b->yy_ch_buf,
-							 b->yy_buf_size + 2 );
+					merealloc((void *) b->yy_ch_buf,b->yy_buf_size + 2  );
 				}
 			else
 				/* Can't grow it, we don't own it. */
@@ -1034,35 +1117,35 @@ static int yy_get_next_buffer()
 				YY_FATAL_ERROR(
 				"fatal error - scanner input buffer overflow" );
 
-			yy_c_buf_p = &b->yy_ch_buf[yy_c_buf_p_offset];
+			(yy_c_buf_p) = &b->yy_ch_buf[yy_c_buf_p_offset];
 
-			num_to_read = yy_current_buffer->yy_buf_size -
+			num_to_read = YY_CURRENT_BUFFER_LVALUE->yy_buf_size -
 						number_to_move - 1;
-#endif
+
 			}
 
 		if ( num_to_read > YY_READ_BUF_SIZE )
 			num_to_read = YY_READ_BUF_SIZE;
 
 		/* Read in more data. */
-		YY_INPUT( (&yy_current_buffer->yy_ch_buf[number_to_move]),
-			yy_n_chars, num_to_read );
+		YY_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]),
+			(yy_n_chars), num_to_read );
 
-		yy_current_buffer->yy_n_chars = yy_n_chars;
+		YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
 		}
 
-	if ( yy_n_chars == 0 )
+	if ( (yy_n_chars) == 0 )
 		{
 		if ( number_to_move == YY_MORE_ADJ )
 			{
 			ret_val = EOB_ACT_END_OF_FILE;
-			yyrestart( yyin );
+			merestart(mein  );
 			}
 
 		else
 			{
 			ret_val = EOB_ACT_LAST_MATCH;
-			yy_current_buffer->yy_buffer_status =
+			YY_CURRENT_BUFFER_LVALUE->yy_buffer_status =
 				YY_BUFFER_EOF_PENDING;
 			}
 		}
@@ -1070,152 +1153,137 @@ static int yy_get_next_buffer()
 	else
 		ret_val = EOB_ACT_CONTINUE_SCAN;
 
-	yy_n_chars += number_to_move;
-	yy_current_buffer->yy_ch_buf[yy_n_chars] = YY_END_OF_BUFFER_CHAR;
-	yy_current_buffer->yy_ch_buf[yy_n_chars + 1] = YY_END_OF_BUFFER_CHAR;
+	(yy_n_chars) += number_to_move;
+	YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] = YY_END_OF_BUFFER_CHAR;
+	YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] = YY_END_OF_BUFFER_CHAR;
 
-	yytext_ptr = &yy_current_buffer->yy_ch_buf[0];
+	(yytext_ptr) = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[0];
 
 	return ret_val;
-	}
-
+}
 
 /* yy_get_previous_state - get the state just before the EOB char was reached */
 
-static yy_state_type yy_get_previous_state()
-	{
+    static yy_state_type yy_get_previous_state (void)
+{
 	register yy_state_type yy_current_state;
 	register char *yy_cp;
+    
+	yy_current_state = (yy_start);
 
-	yy_current_state = yy_start;
-
-	for ( yy_cp = yytext_ptr + YY_MORE_ADJ; yy_cp < yy_c_buf_p; ++yy_cp )
+	for ( yy_cp = (yytext_ptr) + YY_MORE_ADJ; yy_cp < (yy_c_buf_p); ++yy_cp )
 		{
 		register YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1);
 		if ( yy_accept[yy_current_state] )
 			{
-			yy_last_accepting_state = yy_current_state;
-			yy_last_accepting_cpos = yy_cp;
+			(yy_last_accepting_state) = yy_current_state;
+			(yy_last_accepting_cpos) = yy_cp;
 			}
 		while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
 			{
 			yy_current_state = (int) yy_def[yy_current_state];
-			if ( yy_current_state >= 67 )
+			if ( yy_current_state >= 87 )
 				yy_c = yy_meta[(unsigned int) yy_c];
 			}
 		yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
 		}
 
 	return yy_current_state;
-	}
-
+}
 
 /* yy_try_NUL_trans - try to make a transition on the NUL character
  *
  * synopsis
  *	next_state = yy_try_NUL_trans( current_state );
  */
-
-#ifdef YY_USE_PROTOS
-static yy_state_type yy_try_NUL_trans( yy_state_type yy_current_state )
-#else
-static yy_state_type yy_try_NUL_trans( yy_current_state )
-yy_state_type yy_current_state;
-#endif
-	{
+    static yy_state_type yy_try_NUL_trans  (yy_state_type yy_current_state )
+{
 	register int yy_is_jam;
-	register char *yy_cp = yy_c_buf_p;
+    	register char *yy_cp = (yy_c_buf_p);
 
 	register YY_CHAR yy_c = 1;
 	if ( yy_accept[yy_current_state] )
 		{
-		yy_last_accepting_state = yy_current_state;
-		yy_last_accepting_cpos = yy_cp;
+		(yy_last_accepting_state) = yy_current_state;
+		(yy_last_accepting_cpos) = yy_cp;
 		}
 	while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
 		{
 		yy_current_state = (int) yy_def[yy_current_state];
-		if ( yy_current_state >= 67 )
+		if ( yy_current_state >= 87 )
 			yy_c = yy_meta[(unsigned int) yy_c];
 		}
 	yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
-	yy_is_jam = (yy_current_state == 66);
+	yy_is_jam = (yy_current_state == 86);
 
 	return yy_is_jam ? 0 : yy_current_state;
-	}
-
+}
 
-#ifndef YY_NO_UNPUT
-#ifdef YY_USE_PROTOS
-static void yyunput( int c, register char *yy_bp )
-#else
-static void yyunput( c, yy_bp )
-int c;
-register char *yy_bp;
-#endif
-	{
-	register char *yy_cp = yy_c_buf_p;
+    static void yyunput (int c, register char * yy_bp )
+{
+	register char *yy_cp;
+    
+    yy_cp = (yy_c_buf_p);
 
-	/* undo effects of setting up yytext */
-	*yy_cp = yy_hold_char;
+	/* undo effects of setting up metext */
+	*yy_cp = (yy_hold_char);
 
-	if ( yy_cp < yy_current_buffer->yy_ch_buf + 2 )
+	if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2 )
 		{ /* need to shift things up to make room */
 		/* +2 for EOB chars. */
-		register int number_to_move = yy_n_chars + 2;
-		register char *dest = &yy_current_buffer->yy_ch_buf[
-					yy_current_buffer->yy_buf_size + 2];
+		register int number_to_move = (yy_n_chars) + 2;
+		register char *dest = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[
+					YY_CURRENT_BUFFER_LVALUE->yy_buf_size + 2];
 		register char *source =
-				&yy_current_buffer->yy_ch_buf[number_to_move];
+				&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move];
 
-		while ( source > yy_current_buffer->yy_ch_buf )
+		while ( source > YY_CURRENT_BUFFER_LVALUE->yy_ch_buf )
 			*--dest = *--source;
 
 		yy_cp += (int) (dest - source);
 		yy_bp += (int) (dest - source);
-		yy_current_buffer->yy_n_chars =
-			yy_n_chars = yy_current_buffer->yy_buf_size;
+		YY_CURRENT_BUFFER_LVALUE->yy_n_chars =
+			(yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_buf_size;
 
-		if ( yy_cp < yy_current_buffer->yy_ch_buf + 2 )
+		if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2 )
 			YY_FATAL_ERROR( "flex scanner push-back overflow" );
 		}
 
 	*--yy_cp = (char) c;
 
+	(yytext_ptr) = yy_bp;
+	(yy_hold_char) = *yy_cp;
+	(yy_c_buf_p) = yy_cp;
+}
 
-	yytext_ptr = yy_bp;
-	yy_hold_char = *yy_cp;
-	yy_c_buf_p = yy_cp;
-	}
-#endif	/* ifndef YY_NO_UNPUT */
-
-
+#ifndef YY_NO_INPUT
 #ifdef __cplusplus
-static int yyinput()
+    static int yyinput (void)
 #else
-static int input()
+    static int input  (void)
 #endif
-	{
-	int c;
 
-	*yy_c_buf_p = yy_hold_char;
+{
+	int c;
+    
+	*(yy_c_buf_p) = (yy_hold_char);
 
-	if ( *yy_c_buf_p == YY_END_OF_BUFFER_CHAR )
+	if ( *(yy_c_buf_p) == YY_END_OF_BUFFER_CHAR )
 		{
 		/* yy_c_buf_p now points to the character we want to return.
 		 * If this occurs *before* the EOB characters, then it's a
 		 * valid NUL; if not, then we've hit the end of the buffer.
 		 */
-		if ( yy_c_buf_p < &yy_current_buffer->yy_ch_buf[yy_n_chars] )
+		if ( (yy_c_buf_p) < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] )
 			/* This was really a NUL. */
-			*yy_c_buf_p = '\0';
+			*(yy_c_buf_p) = '\0';
 
 		else
 			{ /* need more input */
-			int offset = yy_c_buf_p - yytext_ptr;
-			++yy_c_buf_p;
+			int offset = (yy_c_buf_p) - (yytext_ptr);
+			++(yy_c_buf_p);
 
-			switch ( yy_get_next_buffer() )
+			switch ( yy_get_next_buffer(  ) )
 				{
 				case EOB_ACT_LAST_MATCH:
 					/* This happens because yy_g_n_b()
@@ -1229,16 +1297,16 @@ static int input()
 					 */
 
 					/* Reset buffer status. */
-					yyrestart( yyin );
+					merestart(mein );
 
-					/* fall through */
+					/*FALLTHROUGH*/
 
 				case EOB_ACT_END_OF_FILE:
 					{
-					if ( yywrap() )
-						return EOF;
+					if ( mewrap( ) )
+						return 0;
 
-					if ( ! yy_did_buffer_switch_on_eof )
+					if ( ! (yy_did_buffer_switch_on_eof) )
 						YY_NEW_FILE;
 #ifdef __cplusplus
 					return yyinput();
@@ -1248,172 +1316,169 @@ static int input()
 					}
 
 				case EOB_ACT_CONTINUE_SCAN:
-					yy_c_buf_p = yytext_ptr + offset;
+					(yy_c_buf_p) = (yytext_ptr) + offset;
 					break;
 				}
 			}
 		}
 
-	c = *(unsigned char *) yy_c_buf_p;	/* cast for 8-bit char's */
-	*yy_c_buf_p = '\0';	/* preserve yytext */
-	yy_hold_char = *++yy_c_buf_p;
-
+	c = *(unsigned char *) (yy_c_buf_p);	/* cast for 8-bit char's */
+	*(yy_c_buf_p) = '\0';	/* preserve metext */
+	(yy_hold_char) = *++(yy_c_buf_p);
 
 	return c;
-	}
-
-
-#ifdef YY_USE_PROTOS
-void yyrestart( FILE *input_file )
-#else
-void yyrestart( input_file )
-FILE *input_file;
-#endif
-	{
-	if ( ! yy_current_buffer )
-		yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE );
+}
+#endif	/* ifndef YY_NO_INPUT */
 
-	yy_init_buffer( yy_current_buffer, input_file );
-	yy_load_buffer_state();
+/** Immediately switch to a different input stream.
+ * @param input_file A readable stream.
+ * 
+ * @note This function does not reset the start condition to @c INITIAL .
+ */
+    void merestart  (FILE * input_file )
+{
+    
+	if ( ! YY_CURRENT_BUFFER ){
+        meensure_buffer_stack ();
+		YY_CURRENT_BUFFER_LVALUE =
+            me_create_buffer(mein,YY_BUF_SIZE );
 	}
 
+	me_init_buffer(YY_CURRENT_BUFFER,input_file );
+	me_load_buffer_state( );
+}
 
-#ifdef YY_USE_PROTOS
-void yy_switch_to_buffer( YY_BUFFER_STATE new_buffer )
-#else
-void yy_switch_to_buffer( new_buffer )
-YY_BUFFER_STATE new_buffer;
-#endif
-	{
-	if ( yy_current_buffer == new_buffer )
+/** Switch to a different input buffer.
+ * @param new_buffer The new input buffer.
+ * 
+ */
+    void me_switch_to_buffer  (YY_BUFFER_STATE  new_buffer )
+{
+    
+	/* TODO. We should be able to replace this entire function body
+	 * with
+	 *		mepop_buffer_state();
+	 *		mepush_buffer_state(new_buffer);
+     */
+	meensure_buffer_stack ();
+	if ( YY_CURRENT_BUFFER == new_buffer )
 		return;
 
-	if ( yy_current_buffer )
+	if ( YY_CURRENT_BUFFER )
 		{
 		/* Flush out information for old buffer. */
-		*yy_c_buf_p = yy_hold_char;
-		yy_current_buffer->yy_buf_pos = yy_c_buf_p;
-		yy_current_buffer->yy_n_chars = yy_n_chars;
+		*(yy_c_buf_p) = (yy_hold_char);
+		YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p);
+		YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
 		}
 
-	yy_current_buffer = new_buffer;
-	yy_load_buffer_state();
+	YY_CURRENT_BUFFER_LVALUE = new_buffer;
+	me_load_buffer_state( );
 
 	/* We don't actually know whether we did this switch during
-	 * EOF (yywrap()) processing, but the only time this flag
-	 * is looked at is after yywrap() is called, so it's safe
+	 * EOF (mewrap()) processing, but the only time this flag
+	 * is looked at is after mewrap() is called, so it's safe
 	 * to go ahead and always set it.
 	 */
-	yy_did_buffer_switch_on_eof = 1;
-	}
-
-
-#ifdef YY_USE_PROTOS
-void yy_load_buffer_state( void )
-#else
-void yy_load_buffer_state()
-#endif
-	{
-	yy_n_chars = yy_current_buffer->yy_n_chars;
-	yytext_ptr = yy_c_buf_p = yy_current_buffer->yy_buf_pos;
-	yyin = yy_current_buffer->yy_input_file;
-	yy_hold_char = *yy_c_buf_p;
-	}
+	(yy_did_buffer_switch_on_eof) = 1;
+}
 
+static void me_load_buffer_state  (void)
+{
+    	(yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
+	(yytext_ptr) = (yy_c_buf_p) = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos;
+	mein = YY_CURRENT_BUFFER_LVALUE->yy_input_file;
+	(yy_hold_char) = *(yy_c_buf_p);
+}
 
-#ifdef YY_USE_PROTOS
-YY_BUFFER_STATE yy_create_buffer( FILE *file, int size )
-#else
-YY_BUFFER_STATE yy_create_buffer( file, size )
-FILE *file;
-int size;
-#endif
-	{
+/** Allocate and initialize an input buffer state.
+ * @param file A readable stream.
+ * @param size The character buffer size in bytes. When in doubt, use @c YY_BUF_SIZE.
+ * 
+ * @return the allocated buffer state.
+ */
+    YY_BUFFER_STATE me_create_buffer  (FILE * file, int  size )
+{
 	YY_BUFFER_STATE b;
-
-	b = (YY_BUFFER_STATE) yy_flex_alloc( sizeof( struct yy_buffer_state ) );
+    
+	b = (YY_BUFFER_STATE) mealloc(sizeof( struct yy_buffer_state )  );
 	if ( ! b )
-		YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
+		YY_FATAL_ERROR( "out of dynamic memory in me_create_buffer()" );
 
 	b->yy_buf_size = size;
 
 	/* yy_ch_buf has to be 2 characters longer than the size given because
 	 * we need to put in 2 end-of-buffer characters.
 	 */
-	b->yy_ch_buf = (char *) yy_flex_alloc( b->yy_buf_size + 2 );
+	b->yy_ch_buf = (char *) mealloc(b->yy_buf_size + 2  );
 	if ( ! b->yy_ch_buf )
-		YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
+		YY_FATAL_ERROR( "out of dynamic memory in me_create_buffer()" );
 
 	b->yy_is_our_buffer = 1;
 
-	yy_init_buffer( b, file );
+	me_init_buffer(b,file );
 
 	return b;
-	}
-
+}
 
-#ifdef YY_USE_PROTOS
-void yy_delete_buffer( YY_BUFFER_STATE b )
-#else
-void yy_delete_buffer( b )
-YY_BUFFER_STATE b;
-#endif
-	{
+/** Destroy the buffer.
+ * @param b a buffer created with me_create_buffer()
+ * 
+ */
+    void me_delete_buffer (YY_BUFFER_STATE  b )
+{
+    
 	if ( ! b )
 		return;
 
-	if ( b == yy_current_buffer )
-		yy_current_buffer = (YY_BUFFER_STATE) 0;
+	if ( b == YY_CURRENT_BUFFER ) /* Not sure if we should pop here. */
+		YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE) 0;
 
 	if ( b->yy_is_our_buffer )
-		yy_flex_free( (void *) b->yy_ch_buf );
-
-	yy_flex_free( (void *) b );
-	}
+		mefree((void *) b->yy_ch_buf  );
 
+	mefree((void *) b  );
+}
 
-#ifndef YY_ALWAYS_INTERACTIVE
-#ifndef YY_NEVER_INTERACTIVE
-extern int isatty YY_PROTO(( int ));
-#endif
-#endif
-
-#ifdef YY_USE_PROTOS
-void yy_init_buffer( YY_BUFFER_STATE b, FILE *file )
-#else
-void yy_init_buffer( b, file )
-YY_BUFFER_STATE b;
-FILE *file;
-#endif
-
+#ifndef __cplusplus
+extern int isatty (int );
+#endif /* __cplusplus */
+    
+/* Initializes or reinitializes a buffer.
+ * This function is sometimes called more than once on the same buffer,
+ * such as during a merestart() or at EOF.
+ */
+    static void me_init_buffer  (YY_BUFFER_STATE  b, FILE * file )
 
-	{
-	yy_flush_buffer( b );
+{
+	int oerrno = errno;
+    
+	me_flush_buffer(b );
 
 	b->yy_input_file = file;
 	b->yy_fill_buffer = 1;
 
-#if YY_ALWAYS_INTERACTIVE
-	b->yy_is_interactive = 1;
-#else
-#if YY_NEVER_INTERACTIVE
-	b->yy_is_interactive = 0;
-#else
-	b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0;
-#endif
-#endif
-	}
-
-
-#ifdef YY_USE_PROTOS
-void yy_flush_buffer( YY_BUFFER_STATE b )
-#else
-void yy_flush_buffer( b )
-YY_BUFFER_STATE b;
-#endif
+    /* If b is the current buffer, then me_init_buffer was _probably_
+     * called from merestart() or through yy_get_next_buffer.
+     * In that case, we don't want to reset the lineno or column.
+     */
+    if (b != YY_CURRENT_BUFFER){
+        b->yy_bs_lineno = 1;
+        b->yy_bs_column = 0;
+    }
+
+        b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0;
+    
+	errno = oerrno;
+}
 
-	{
-	if ( ! b )
+/** Discard all buffered characters. On the next scan, YY_INPUT will be called.
+ * @param b the buffer state to be flushed, usually @c YY_CURRENT_BUFFER.
+ * 
+ */
+    void me_flush_buffer (YY_BUFFER_STATE  b )
+{
+    	if ( ! b )
 		return;
 
 	b->yy_n_chars = 0;
@@ -1430,31 +1495,123 @@ YY_BUFFER_STATE b;
 	b->yy_at_bol = 1;
 	b->yy_buffer_status = YY_BUFFER_NEW;
 
-	if ( b == yy_current_buffer )
-		yy_load_buffer_state();
+	if ( b == YY_CURRENT_BUFFER )
+		me_load_buffer_state( );
+}
+
+/** Pushes the new state onto the stack. The new state becomes
+ *  the current state. This function will allocate the stack
+ *  if necessary.
+ *  @param new_buffer The new state.
+ *  
+ */
+void mepush_buffer_state (YY_BUFFER_STATE new_buffer )
+{
+    	if (new_buffer == NULL)
+		return;
+
+	meensure_buffer_stack();
+
+	/* This block is copied from me_switch_to_buffer. */
+	if ( YY_CURRENT_BUFFER )
+		{
+		/* Flush out information for old buffer. */
+		*(yy_c_buf_p) = (yy_hold_char);
+		YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p);
+		YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
+		}
+
+	/* Only push if top exists. Otherwise, replace top. */
+	if (YY_CURRENT_BUFFER)
+		(yy_buffer_stack_top)++;
+	YY_CURRENT_BUFFER_LVALUE = new_buffer;
+
+	/* copied from me_switch_to_buffer. */
+	me_load_buffer_state( );
+	(yy_did_buffer_switch_on_eof) = 1;
+}
+
+/** Removes and deletes the top of the stack, if present.
+ *  The next element becomes the new top.
+ *  
+ */
+void mepop_buffer_state (void)
+{
+    	if (!YY_CURRENT_BUFFER)
+		return;
+
+	me_delete_buffer(YY_CURRENT_BUFFER );
+	YY_CURRENT_BUFFER_LVALUE = NULL;
+	if ((yy_buffer_stack_top) > 0)
+		--(yy_buffer_stack_top);
+
+	if (YY_CURRENT_BUFFER) {
+		me_load_buffer_state( );
+		(yy_did_buffer_switch_on_eof) = 1;
+	}
+}
+
+/* Allocates the stack if it does not exist.
+ *  Guarantees space for at least one push.
+ */
+static void meensure_buffer_stack (void)
+{
+	int num_to_alloc;
+    
+	if (!(yy_buffer_stack)) {
+
+		/* First allocation is just for 2 elements, since we don't know if this
+		 * scanner will even need a stack. We use 2 instead of 1 to avoid an
+		 * immediate realloc on the next call.
+         */
+		num_to_alloc = 1;
+		(yy_buffer_stack) = (struct yy_buffer_state**)mealloc
+								(num_to_alloc * sizeof(struct yy_buffer_state*)
+								);
+		
+		memset((yy_buffer_stack), 0, num_to_alloc * sizeof(struct yy_buffer_state*));
+				
+		(yy_buffer_stack_max) = num_to_alloc;
+		(yy_buffer_stack_top) = 0;
+		return;
 	}
 
+	if ((yy_buffer_stack_top) >= ((yy_buffer_stack_max)) - 1){
 
-#ifndef YY_NO_SCAN_BUFFER
-#ifdef YY_USE_PROTOS
-YY_BUFFER_STATE yy_scan_buffer( char *base, yy_size_t size )
-#else
-YY_BUFFER_STATE yy_scan_buffer( base, size )
-char *base;
-yy_size_t size;
-#endif
-	{
-	YY_BUFFER_STATE b;
+		/* Increase the buffer to prepare for a possible push. */
+		int grow_size = 8 /* arbitrary grow size */;
+
+		num_to_alloc = (yy_buffer_stack_max) + grow_size;
+		(yy_buffer_stack) = (struct yy_buffer_state**)merealloc
+								((yy_buffer_stack),
+								num_to_alloc * sizeof(struct yy_buffer_state*)
+								);
 
+		/* zero only the new slots.*/
+		memset((yy_buffer_stack) + (yy_buffer_stack_max), 0, grow_size * sizeof(struct yy_buffer_state*));
+		(yy_buffer_stack_max) = num_to_alloc;
+	}
+}
+
+/** Setup the input buffer state to scan directly from a user-specified character buffer.
+ * @param base the character buffer
+ * @param size the size in bytes of the character buffer
+ * 
+ * @return the newly allocated buffer state object. 
+ */
+YY_BUFFER_STATE me_scan_buffer  (char * base, yy_size_t  size )
+{
+	YY_BUFFER_STATE b;
+    
 	if ( size < 2 ||
 	     base[size-2] != YY_END_OF_BUFFER_CHAR ||
 	     base[size-1] != YY_END_OF_BUFFER_CHAR )
 		/* They forgot to leave room for the EOB's. */
 		return 0;
 
-	b = (YY_BUFFER_STATE) yy_flex_alloc( sizeof( struct yy_buffer_state ) );
+	b = (YY_BUFFER_STATE) mealloc(sizeof( struct yy_buffer_state )  );
 	if ( ! b )
-		YY_FATAL_ERROR( "out of dynamic memory in yy_scan_buffer()" );
+		YY_FATAL_ERROR( "out of dynamic memory in me_scan_buffer()" );
 
 	b->yy_buf_size = size - 2;	/* "- 2" to take care of EOB's */
 	b->yy_buf_pos = b->yy_ch_buf = base;
@@ -1466,58 +1623,53 @@ yy_size_t size;
 	b->yy_fill_buffer = 0;
 	b->yy_buffer_status = YY_BUFFER_NEW;
 
-	yy_switch_to_buffer( b );
+	me_switch_to_buffer(b  );
 
 	return b;
-	}
-#endif
-
-
-#ifndef YY_NO_SCAN_STRING
-#ifdef YY_USE_PROTOS
-YY_BUFFER_STATE yy_scan_string( yyconst char *yy_str )
-#else
-YY_BUFFER_STATE yy_scan_string( yy_str )
-yyconst char *yy_str;
-#endif
-	{
-	int len;
-	for ( len = 0; yy_str[len]; ++len )
-		;
-
-	return yy_scan_bytes( yy_str, len );
-	}
-#endif
+}
 
+/** Setup the input buffer state to scan a string. The next call to melex() will
+ * scan from a @e copy of @a str.
+ * @param str a NUL-terminated string to scan
+ * 
+ * @return the newly allocated buffer state object.
+ * @note If you want to scan bytes that may contain NUL values, then use
+ *       me_scan_bytes() instead.
+ */
+YY_BUFFER_STATE me_scan_string (yyconst char * yystr )
+{
+    
+	return me_scan_bytes(yystr,strlen(yystr) );
+}
 
-#ifndef YY_NO_SCAN_BYTES
-#ifdef YY_USE_PROTOS
-YY_BUFFER_STATE yy_scan_bytes( yyconst char *bytes, int len )
-#else
-YY_BUFFER_STATE yy_scan_bytes( bytes, len )
-yyconst char *bytes;
-int len;
-#endif
-	{
+/** Setup the input buffer state to scan the given bytes. The next call to melex() will
+ * scan from a @e copy of @a bytes.
+ * @param bytes the byte buffer to scan
+ * @param len the number of bytes in the buffer pointed to by @a bytes.
+ * 
+ * @return the newly allocated buffer state object.
+ */
+YY_BUFFER_STATE me_scan_bytes  (yyconst char * yybytes, int  _yybytes_len )
+{
 	YY_BUFFER_STATE b;
 	char *buf;
 	yy_size_t n;
 	int i;
-
+    
 	/* Get memory for full buffer, including space for trailing EOB's. */
-	n = len + 2;
-	buf = (char *) yy_flex_alloc( n );
+	n = _yybytes_len + 2;
+	buf = (char *) mealloc(n  );
 	if ( ! buf )
-		YY_FATAL_ERROR( "out of dynamic memory in yy_scan_bytes()" );
+		YY_FATAL_ERROR( "out of dynamic memory in me_scan_bytes()" );
 
-	for ( i = 0; i < len; ++i )
-		buf[i] = bytes[i];
+	for ( i = 0; i < _yybytes_len; ++i )
+		buf[i] = yybytes[i];
 
-	buf[len] = buf[len+1] = YY_END_OF_BUFFER_CHAR;
+	buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR;
 
-	b = yy_scan_buffer( buf, n );
+	b = me_scan_buffer(buf,n );
 	if ( ! b )
-		YY_FATAL_ERROR( "bad buffer in yy_scan_bytes()" );
+		YY_FATAL_ERROR( "bad buffer in me_scan_bytes()" );
 
 	/* It's okay to grow etc. this buffer, and we should throw it
 	 * away when we're done.
@@ -1525,148 +1677,196 @@ int len;
 	b->yy_is_our_buffer = 1;
 
 	return b;
-	}
+}
+
+#ifndef YY_EXIT_FAILURE
+#define YY_EXIT_FAILURE 2
 #endif
 
+static void yy_fatal_error (yyconst char* msg )
+{
+    	(void) fprintf( stderr, "%s\n", msg );
+	exit( YY_EXIT_FAILURE );
+}
 
-#ifndef YY_NO_PUSH_STATE
-#ifdef YY_USE_PROTOS
-static void yy_push_state( int new_state )
-#else
-static void yy_push_state( new_state )
-int new_state;
-#endif
-	{
-	if ( yy_start_stack_ptr >= yy_start_stack_depth )
-		{
-		yy_size_t new_size;
+/* Redefine yyless() so it works in section 3 code. */
 
-		yy_start_stack_depth += YY_START_STACK_INCR;
-		new_size = yy_start_stack_depth * sizeof( int );
+#undef yyless
+#define yyless(n) \
+	do \
+		{ \
+		/* Undo effects of setting up metext. */ \
+        int yyless_macro_arg = (n); \
+        YY_LESS_LINENO(yyless_macro_arg);\
+		metext[meleng] = (yy_hold_char); \
+		(yy_c_buf_p) = metext + yyless_macro_arg; \
+		(yy_hold_char) = *(yy_c_buf_p); \
+		*(yy_c_buf_p) = '\0'; \
+		meleng = yyless_macro_arg; \
+		} \
+	while ( 0 )
 
-		if ( ! yy_start_stack )
-			yy_start_stack = (int *) yy_flex_alloc( new_size );
+/* Accessor  methods (get/set functions) to struct members. */
 
-		else
-			yy_start_stack = (int *) yy_flex_realloc(
-					(void *) yy_start_stack, new_size );
+/** Get the current line number.
+ * 
+ */
+int meget_lineno  (void)
+{
+        
+    return melineno;
+}
 
-		if ( ! yy_start_stack )
-			YY_FATAL_ERROR(
-			"out of memory expanding start-condition stack" );
-		}
+/** Get the input stream.
+ * 
+ */
+FILE *meget_in  (void)
+{
+        return mein;
+}
 
-	yy_start_stack[yy_start_stack_ptr++] = YY_START;
+/** Get the output stream.
+ * 
+ */
+FILE *meget_out  (void)
+{
+        return meout;
+}
 
-	BEGIN(new_state);
-	}
-#endif
+/** Get the length of the current token.
+ * 
+ */
+int meget_leng  (void)
+{
+        return meleng;
+}
 
+/** Get the current token.
+ * 
+ */
 
-#ifndef YY_NO_POP_STATE
-static void yy_pop_state()
-	{
-	if ( --yy_start_stack_ptr < 0 )
-		YY_FATAL_ERROR( "start-condition stack underflow" );
+char *meget_text  (void)
+{
+        return metext;
+}
 
-	BEGIN(yy_start_stack[yy_start_stack_ptr]);
-	}
-#endif
+/** Set the current line number.
+ * @param line_number
+ * 
+ */
+void meset_lineno (int  line_number )
+{
+    
+    melineno = line_number;
+}
 
+/** Set the input stream. This does not discard the current
+ * input buffer.
+ * @param in_str A readable stream.
+ * 
+ * @see me_switch_to_buffer
+ */
+void meset_in (FILE *  in_str )
+{
+        mein = in_str ;
+}
 
-#ifndef YY_NO_TOP_STATE
-static int yy_top_state()
-	{
-	return yy_start_stack[yy_start_stack_ptr - 1];
-	}
-#endif
+void meset_out (FILE *  out_str )
+{
+        meout = out_str ;
+}
 
-#ifndef YY_EXIT_FAILURE
-#define YY_EXIT_FAILURE 2
-#endif
+int meget_debug  (void)
+{
+        return me_flex_debug;
+}
+
+void meset_debug (int  bdebug )
+{
+        me_flex_debug = bdebug ;
+}
 
-#ifdef YY_USE_PROTOS
-static void yy_fatal_error( yyconst char msg[] )
+static int yy_init_globals (void)
+{
+        /* Initialization is the same as for the non-reentrant scanner.
+     * This function is called from melex_destroy(), so don't allocate here.
+     */
+
+    (yy_buffer_stack) = 0;
+    (yy_buffer_stack_top) = 0;
+    (yy_buffer_stack_max) = 0;
+    (yy_c_buf_p) = (char *) 0;
+    (yy_init) = 0;
+    (yy_start) = 0;
+
+/* Defined in main.c */
+#ifdef YY_STDINIT
+    mein = stdin;
+    meout = stdout;
 #else
-static void yy_fatal_error( msg )
-char msg[];
+    mein = (FILE *) 0;
+    meout = (FILE *) 0;
 #endif
-	{
-	(void) fprintf( stderr, "%s\n", msg );
-	exit( YY_EXIT_FAILURE );
-	}
 
+    /* For future reference: Set errno on error, since we are called by
+     * melex_init()
+     */
+    return 0;
+}
 
+/* melex_destroy is for both reentrant and non-reentrant scanners. */
+int melex_destroy  (void)
+{
+    
+    /* Pop the buffer stack, destroying each element. */
+	while(YY_CURRENT_BUFFER){
+		me_delete_buffer(YY_CURRENT_BUFFER  );
+		YY_CURRENT_BUFFER_LVALUE = NULL;
+		mepop_buffer_state();
+	}
 
-/* Redefine yyless() so it works in section 3 code. */
+	/* Destroy the stack itself. */
+	mefree((yy_buffer_stack) );
+	(yy_buffer_stack) = NULL;
 
-#undef yyless
-#define yyless(n) \
-	do \
-		{ \
-		/* Undo effects of setting up yytext. */ \
-		yytext[yyleng] = yy_hold_char; \
-		yy_c_buf_p = yytext + n; \
-		yy_hold_char = *yy_c_buf_p; \
-		*yy_c_buf_p = '\0'; \
-		yyleng = n; \
-		} \
-	while ( 0 )
+    /* Reset the globals. This is important in a non-reentrant scanner so the next time
+     * melex() is called, initialization will occur. */
+    yy_init_globals( );
 
+    return 0;
+}
 
-/* Internal utility routines. */
+/*
+ * Internal utility routines.
+ */
 
 #ifndef yytext_ptr
-#ifdef YY_USE_PROTOS
-static void yy_flex_strncpy( char *s1, yyconst char *s2, int n )
-#else
-static void yy_flex_strncpy( s1, s2, n )
-char *s1;
-yyconst char *s2;
-int n;
-#endif
-	{
+static void yy_flex_strncpy (char* s1, yyconst char * s2, int n )
+{
 	register int i;
 	for ( i = 0; i < n; ++i )
 		s1[i] = s2[i];
-	}
+}
 #endif
 
 #ifdef YY_NEED_STRLEN
-#ifdef YY_USE_PROTOS
-static int yy_flex_strlen( yyconst char *s )
-#else
-static int yy_flex_strlen( s )
-yyconst char *s;
-#endif
-	{
+static int yy_flex_strlen (yyconst char * s )
+{
 	register int n;
 	for ( n = 0; s[n]; ++n )
 		;
 
 	return n;
-	}
+}
 #endif
 
-
-#ifdef YY_USE_PROTOS
-static void *yy_flex_alloc( yy_size_t size )
-#else
-static void *yy_flex_alloc( size )
-yy_size_t size;
-#endif
-	{
+void *mealloc (yy_size_t  size )
+{
 	return (void *) malloc( size );
-	}
+}
 
-#ifdef YY_USE_PROTOS
-static void *yy_flex_realloc( void *ptr, yy_size_t size )
-#else
-static void *yy_flex_realloc( ptr, size )
-void *ptr;
-yy_size_t size;
-#endif
-	{
+void *merealloc  (void * ptr, yy_size_t  size )
+{
 	/* The cast to (char *) in the following accommodates both
 	 * implementations that use char* generic pointers, and those
 	 * that use void* generic pointers.  It works with the latter
@@ -1675,28 +1875,19 @@ yy_size_t size;
 	 * as though doing an assignment.
 	 */
 	return (void *) realloc( (char *) ptr, size );
-	}
+}
 
-#ifdef YY_USE_PROTOS
-static void yy_flex_free( void *ptr )
-#else
-static void yy_flex_free( ptr )
-void *ptr;
-#endif
-	{
-	free( ptr );
-	}
+void mefree (void * ptr )
+{
+	free( (char *) ptr );	/* see merealloc() for (char *) cast */
+}
+
+#define YYTABLES_NAME "yytables"
 
-#if YY_MAIN
-int main()
-	{
-	yylex();
-	return 0;
-	}
-#endif
 #line 108 "scanner.l"
 
 
+
 #undef mewrap
 
 int mewrap() { return 1; }
@@ -1718,3 +1909,4 @@ static int input_from_string (char *buffer, int max_size)
 }
 
 void force_buffer_flush() { YY_FLUSH_BUFFER; }
+