+/* 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. */
+
+/* Identify Bison output. */
+#define YYBISON 1
+
+/* Pure parsers. */
+#define YYPURE %%pure
+
+/* Using locations. */
+#define YYLSP_NEEDED %%locations-flag
+
+/* Enabling traces. */
+#ifndef YYDEBUG
+# define YYDEBUG %%debug
+#endif
+
+/* Enabling verbose error messages. */
+#undef YYERROR_VERBOSE
+#define YYERROR_VERBOSE %%error-verbose
+
+/* If name_prefix is specify substitute the variables and functions
+ names. */
+#define yyparse %%prefix##parse
+#define yylex %%prefix##lex
+#define yyerror %%prefix##error
+#define yylval %%prefix##lval
+#define yychar %%prefix##char
+#define yydebug %%prefix##debug
+#define yynerrs %%prefix##nerrs
+
+#ifndef YYSTYPE
+typedef %%stype yystype;
+# define YYSTYPE yystype
+#endif
+
+#ifndef YYLTYPE
+typedef struct yyltype
+{
+ int first_line;
+ int first_column;
+ int last_line;
+ int last_column;
+} yyltype;
+# define YYLTYPE %%ltype
+#endif
+
+/* Copy the user declarations. */
+#line %%input-line "%%filename"
+%%prologue
+
+#line %%line "%%skeleton"
+
+#include <stdio.h>
+
+#ifndef __cplusplus
+# ifndef __STDC__
+# define const
+# endif
+#endif
+
+/* 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 C library symbols; they are noted "INFRINGES ON
+ USER NAME SPACE" below. */
+
+#if ! defined (yyoverflow) || YYERROR_VERBOSE
+
+/* The parser invokes alloca or malloc; define the necessary symbols. */
+
+# if YYSTACK_USE_ALLOCA
+# define YYSTACK_ALLOC alloca
+# define YYSIZE_T size_t
+# else
+# ifndef YYSTACK_USE_ALLOCA
+# if defined (alloca) || defined (_ALLOCA_H)
+# define YYSTACK_ALLOC alloca
+# define YYSIZE_T size_t
+# else
+# if defined (__GNUC__) || defined (_AIX) || defined (__hpux)
+# define YYSTACK_ALLOC __builtin_alloca
+# endif
+# ifndef __GNUC__
+# ifdef _AIX
+ # pragma alloca
+# endif
+# if defined (__sgi) || defined (__sparc__) || defined (__sparc) || defined (__sun)
+# include <alloca.h> /* INFRINGES ON USER NAME SPACE */
+# define YYSTACK_ALLOC alloca
+# define YYSIZE_T size_t
+# endif
+# endif
+# endif
+# endif
+# endif
+
+# ifdef YYSTACK_ALLOC
+ /* Pacify GCC's `empty if-body' warning. */
+# define YYSTACK_FREE(Ptr) do { /* empty */; } while (0)
+# else
+# define YYSTACK_ALLOC malloc
+# define YYSTACK_FREE(Ptr) free (Ptr)
+# if defined (__STDC__) || defined (__cplusplus)
+# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
+# define YYSIZE_T size_t
+# endif
+# endif
+
+/* A type that is properly aligned for any stack member. */
+union yyalloc
+{
+ short yyss;
+ YYSTYPE yyvs;
+# if YYLSP_NEEDED
+ YYLTYPE yyls;
+# endif
+};
+
+/* The size of the maximum gap between one aligned stack and the next. */
+# define YYSTACK_GAP_MAX (sizeof (union yyalloc) - 1)
+
+/* The size of an array large to enough to hold all stacks, each with
+ N elements. */
+# if YYLSP_NEEDED
+# define YYSTACK_BYTES(N) \
+ ((N) * (sizeof (short) + sizeof (YYSTYPE) + sizeof (YYLTYPE)) \
+ + 2 * YYSTACK_GAP_MAX)
+# else
+# define YYSTACK_BYTES(N) \
+ ((N) * (sizeof (short) + sizeof (YYSTYPE)) \
+ + YYSTACK_GAP_MAX)
+# endif
+
+/* Relocate the TYPE 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(Type, Stack) \
+ do \
+ { \
+ YYSIZE_T yynewbytes; \
+ yymemcpy ((char *) yyptr, (char *) (Stack), \
+ yysize * (YYSIZE_T) sizeof (Type)); \
+ Stack = &yyptr->Stack; \
+ yynewbytes = yystacksize * sizeof (Type) + YYSTACK_GAP_MAX; \
+ yyptr += yynewbytes / sizeof (*yyptr); \
+ } \
+ while (0)
+
+#endif /* ! defined (yyoverflow) || YYERROR_VERBOSE */
+
+/* Tokens. */
+%%tokendef
+
+#define YYFINAL %%final
+#define YYFLAG %%flag
+#define YYNTBASE %%ntbase
+#define YYLAST %%last
+
+#define YYNTOKENS %%ntokens
+#define YYNNTS %%nnts
+#define YYNRULES %%nrules
+#define YYNSTATES %%nstates
+#define YYMAXUTOK %%maxtok
+
+/* YYTRANSLATE(YYLEX) -- Bison token number corresponding to YYLEX. */
+#define YYTRANSLATE(x) ((unsigned)(x) <= %%maxtok ? yytranslate[x] : %%nsym)
+
+/* YYTRANSLATE[YYLEX] -- Bison token number corresponding to YYLEX. */
+static const char yytranslate[] =
+{
+ %%translate
+};
+
+#if YYDEBUG
+static const short yyprhs[] =
+{
+ %%prhs
+};
+
+static const short yyrhs[] =
+{
+ %%rhs
+};
+
+/* YYRLINE[YYN] -- source line where rule number YYN was defined. */
+static const short yyrline[] =
+{
+ %%rline
+};
+#endif
+
+#if YYDEBUG || YYERROR_VERBOSE
+/* YYTNME[TOKEN_NUM] -- String name of the token TOKEN_NUM. */
+static const char *const yytname[] =
+{
+ %%tname
+};
+#endif
+
+/* YYTOKNUM[YYN] -- Index in YYTNAME corresponding to YYLEX. */
+static const short yytoknum[] =
+{
+ %%toknum
+};
+
+/* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */
+static const short yyr1[] =
+{
+ %%r1
+};
+
+/* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */
+static const short yyr2[] =
+{
+ %%r2