* src/scan-gram.l: Use more accurate diagnostics, e.g.

[bison.git] / src / scan-gram.c

#define yy_create_buffer gram__create_buffer
#define yy_delete_buffer gram__delete_buffer
#define yy_scan_buffer gram__scan_buffer
#define yy_scan_string gram__scan_string
#define yy_scan_bytes gram__scan_bytes
#define yy_flex_debug gram__flex_debug
#define yy_init_buffer gram__init_buffer
#define yy_flush_buffer gram__flush_buffer
#define yy_load_buffer_state gram__load_buffer_state
#define yy_switch_to_buffer gram__switch_to_buffer
#define yyin gram_in
#define yyleng gram_leng
#define yylex gram_lex
#define yyout gram_out
#define yyrestart gram_restart
#define yytext gram_text

#line 19 "scan-gram.c"
/* A lexical scanner generated by flex */

/* Scanner skeleton version:
 * $Header$
 */

#define FLEX_SCANNER
#define YY_FLEX_MAJOR_VERSION 2
#define YY_FLEX_MINOR_VERSION 5

#include <stdio.h>


/* cfront 1.2 defines "c_plusplus" instead of "__cplusplus" */
#ifdef c_plusplus
#ifndef __cplusplus
#define __cplusplus
#endif
#endif


#ifdef __cplusplus

#include <stdlib.h>
#include <unistd.h>

/* Use prototypes in function declarations. */
#define YY_USE_PROTOS

/* The "const" storage-class-modifier is valid. */
#define YY_USE_CONST

#else	/* ! __cplusplus */

#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

/* Promotes a possibly negative, possibly signed char to an unsigned
 * integer for use as an array index.  If the signed char is negative,
 * we want to instead treat it as an 8-bit unsigned char, hence the
 * double cast.
 */
#define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c)

/* Enter a start condition.  This macro really ought to take a parameter,
 * but we do it the disgusting crufty way forced on us by the ()-less
 * definition of BEGIN.
 */
#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 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_END_OF_BUFFER_CHAR 0

/* Size of default input buffer. */
#define YY_BUF_SIZE 16384

typedef struct yy_buffer_state *YY_BUFFER_STATE;

extern int yyleng;
extern FILE *yyin, *yyout;

#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 yyless(n) \
	do \
		{ \
		/* Undo effects of setting up yytext. */ \
		*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 */ \
		} \
	while ( 0 )

#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;


struct yy_buffer_state
	{
	FILE *yy_input_file;

	char *yy_ch_buf;		/* input buffer */
	char *yy_buf_pos;		/* current position in input buffer */

	/* Size of input buffer in bytes, not including room for EOB
	 * characters.
	 */
	yy_size_t yy_buf_size;

	/* Number of characters read into yy_ch_buf, not including EOB
	 * characters.
	 */
	int yy_n_chars;

	/* Whether we "own" the buffer - i.e., we know we created it,
	 * and can realloc() it to grow it, and should free() it to
	 * delete it.
	 */
	int yy_is_our_buffer;

	/* Whether this is an "interactive" input source; if so, and
	 * if we're using stdio for input, then we want to use getc()
	 * instead of fread(), to make sure we stop fetching input after
	 * each newline.
	 */
	int yy_is_interactive;

	/* Whether we're considered to be at the beginning of a line.
	 * If so, '^' rules will be active on the next match, otherwise
	 * not.
	 */
	int yy_at_bol;

	/* 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
	 * then we mark the buffer as YY_EOF_PENDING, to indicate that we
	 * shouldn't try reading from the input source any more.  We might
	 * still have a bunch of tokens to match, though, because of
	 * 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.
	 */
#define YY_BUFFER_EOF_PENDING 2
	};

static YY_BUFFER_STATE yy_current_buffer = 0;

/* 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".
 */
#define YY_CURRENT_BUFFER yy_current_buffer


/* yy_hold_char holds the character lost when yytext is formed. */
static char yy_hold_char;

static int yy_n_chars;		/* number of characters read into yy_ch_buf */


int yyleng;

/* 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_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 ...
 */
static int yy_did_buffer_switch_on_eof;

void yyrestart YY_PROTO(( FILE *input_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 )

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 ));

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 * ));

#define yy_new_buffer yy_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; \
	}

#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; \
	}

#define YY_AT_BOL() (yy_current_buffer->yy_at_bol)


#define yywrap() 1
#define YY_SKIP_YYWRAP

#define FLEX_DEBUG
typedef unsigned char YY_CHAR;
FILE *yyin = (FILE *) 0, *yyout = (FILE *) 0;
typedef int yy_state_type;

#define FLEX_DEBUG
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[] ));

/* Done after the current pattern has been matched and before the
 * corresponding action - sets up yytext.
 */
#define YY_DO_BEFORE_ACTION \
	yytext_ptr = yy_bp; \
	yyleng = (int) (yy_cp - yy_bp); \
	yy_hold_char = *yy_cp; \
	*yy_cp = '\0'; \
	yy_c_buf_p = yy_cp;

#define YY_NUM_RULES 103
#define YY_END_OF_BUFFER 104
static yyconst short int yy_accept[399] =
    {   0,
        0,    0,    0,    0,   60,   60,    0,    0,   86,   86,
       81,   81,    0,    0,    0,    0,    0,    0,    0,    0,
        0,    0,  104,   52,   41,   41,   45,   52,   44,   39,
       42,   52,   43,   37,   40,   52,   36,   49,   38,   58,
       58,   53,   54,   60,   59,   60,   56,   56,   84,   83,
       87,   79,   78,   82,   62,   61,   77,   64,   63,   98,
       89,   98,   98,   88,   92,   98,   98,   93,   95,  100,
      101,   92,  102,   89,   88,   92,   41,   51,   35,   35,
       35,   35,   35,   35,   35,   35,   35,   35,   35,   35,
       35,   35,   35,   35,   35,   48,   42,   46,   47,   43,

        0,   58,   57,    0,   60,   60,   60,   60,   56,   55,
       84,   85,   85,   85,   85,   79,   80,   80,   80,   80,
       62,   76,   74,   65,   76,   67,   68,   69,   70,   71,
       72,   76,   73,   76,   64,   98,   96,    0,   96,    0,
       94,    0,   90,   91,    0,   93,   98,    0,   97,    0,
       97,  100,   99,  102,   90,   91,  102,   35,   35,   35,
       35,   35,   35,   35,   35,   35,   35,   35,   35,   35,
       35,   35,   35,   35,   35,   35,   35,   35,   35,   35,
       35,   35,   35,   35,   47,   50,    0,    0,    0,   86,
        0,    0,    0,    0,   81,    0,    0,    0,   65,    0,

        0,   66,    0,    0,    0,    0,    0,    0,    0,  102,
      102,   35,   35,   35,   35,   35,   35,   35,   35,   35,
       35,   35,   35,   35,   35,   35,   35,   35,   35,   35,
       35,   35,   35,   35,   35,   35,   35,   35,   35,   35,
       35,   35,   35,   65,    0,    0,    0,   35,   35,   35,
       35,   35,   35,   35,   35,   35,   35,   12,   35,   35,
       35,   35,   35,   35,   35,   35,   35,   21,   35,   35,
       35,   35,   35,   28,   35,   31,   35,   35,   34,    0,
        0,   35,    2,   35,   35,    6,   35,   35,   35,   35,
       35,   35,   35,   14,   35,   35,   35,   18,   35,   35,

       35,   35,   24,   35,   27,   29,   32,   35,    0,   75,
        1,    3,   35,   35,    8,   35,   35,   35,   35,   35,
       35,   35,   35,   19,   35,   35,   35,   35,   35,   35,
        4,   35,   35,   35,   35,   35,   35,   35,   35,   35,
       35,   35,   22,   35,   35,   35,   33,   35,   35,   35,
       35,   35,   35,   35,   35,   16,   17,   35,   35,   26,
       35,   35,   35,   35,   35,   35,   25,   13,   35,   35,
       35,   35,    5,   35,   35,   35,   11,   35,   35,   35,
       35,   35,    9,   35,   15,   20,   23,   30,   35,   35,
        7,   35,   35,   35,   35,   35,   10,    0

    } ;

static yyconst int yy_ec[256] =
    {   0,
        1,    1,    1,    1,    1,    1,    1,    1,    2,    3,
        2,    2,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    2,    1,    4,    1,    5,    6,    1,    7,    1,
        1,    8,    1,    9,   10,   11,   12,   13,   13,   13,
       13,   13,   13,   13,   13,   14,   14,   15,   16,   17,
       18,   19,   20,   21,   22,   22,   22,   22,   22,   22,
       11,   11,   11,   11,   11,   11,   11,   11,   11,   11,
       11,   11,   11,   11,   23,   11,   11,   11,   11,   11,
       24,   25,   26,    1,   27,    1,   28,   29,   30,   31,

       32,   33,   34,   35,   36,   11,   37,   38,   39,   40,
       41,   42,   11,   43,   44,   45,   46,   47,   11,   48,
       49,   11,   50,   51,   52,    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,    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,    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,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    1,    1
    } ;

static yyconst int yy_meta[54] =
    {   0,
        1,    1,    2,    3,    4,    5,    6,    7,    1,    8,
        9,    5,   10,   10,    1,    1,    4,    1,   11,    1,
        4,   10,    9,   12,   13,   12,    9,   10,   10,   10,
       10,   10,   10,    9,    9,    9,    9,    9,    9,    9,
        9,    9,    9,    9,    9,    9,    9,    9,    9,    4,
        1,    4,   11
    } ;

static yyconst short int yy_base[436] =
    {   0,
        0,    0,   46,   47,   53,   56,  836,  835,   59,   62,
       50,   82,   65,   87,   85,   86,  109,  158,   93,  116,
      120,  127,  842,  845,   58,   62,  845,  205,  845,  845,
        0,   50,   54,  845,  845,    0,  845,  845,  845,    0,
       84,  845,  845,  816,  845,  100,    0,  828,    0,  845,
      135,    0,  845,  146,    0,  845,  252,    0,  845,    0,
      845,  163,   76,  845,  133,  130,  173,  845,  845,    0,
      787,  142,    0,    0,    0,  144,  186,  845,    0,  802,
       62,  142,  801,  798,  125,  803,  153,  788,  163,  797,
      155,  163,  792,  799,  802,  845,    0,  845,    0,  183,

      810,    0,  845,  199,  803,  258,  261,  802,    0,  845,
        0,  845,  211,  801,  215,    0,  845,  217,  800,  219,
        0,  845,  845,  811,    0,  845,  845,  845,  845,  845,
      845,    0,  845,    0,    0,    0,  845,  210,  212,    0,
      845,  227,  845,  845,  255,  845,  845,  264,  845,  255,
      257,    0,  845,    0,    0,    0,  271,    0,  783,  249,
      779,  778,  778,  155,  776,  243,  788,  774,  777,  269,
      783,  769,  770,  252,  769,  777,  778,  781,  765,  770,
      764,  769,  761,  773,    0,  845,  287,  282,  299,  777,
      301,  303,  776,  308,  775,  310,  312,  774,  785,    0,

        0,    0,  778,  314,  180,  316,  312,  319,  317,  323,
      319,  768,  749,  758,  748,  760,  750,  758,  757,  756,
      777,  741,  775,  756,  749,  750,  743,  752,  736,  736,
      733,  746,  735,  742,  738,  734,  728,  731,  737,  736,
      726,  737,  735,  845,    0,    0,  325,  721,  729,  722,
      718,  730,  716,  728,  747,  725,  713,    0,  712,  708,
      720,  318,  715,  706,  710,  702,  715,    0,  701,  319,
      700,  712,  698,    0,  702,    0,  701,  699,    0,    0,
        0,  690,    0,  706,  691,    0,  322,  691,  693,  323,
      706,  705,  696,    0,  689,  690,  685,    0,  683,  717,

      694,  683,    0,  679,    0,  326,    0,  679,    0,  845,
        0,  678,  691,  673,    0,  676,  677,  674,  673,  674,
      671,  681,  671,    0,  669,  667,  681,  667,  662,  674,
        0,  660,  672,  671,  656,  657,  672,  659,  666,  653,
      666,  667,    0,  649,  643,  642,    0,  623,  608,  612,
      599,  610,  599,  588,  598,    0,    0,  587,  585,    0,
      591,  549,  559,  535,  522,  501,    0,    0,  499,  499,
      485,  476,    0,  468,  452,  445,    0,  308,  316,  311,
      320,  307,    0,  303,    0,    0,    0,    0,  315,  330,
        0,  310,  305,  270,  255,  218,    0,  845,  357,  370,

      383,  396,  409,  422,  435,  448,  461,  474,  479,  489,
      502,  515,  528,  541,  552,  565,  576,  589,  601,  614,
      626,  639,  652,  658,  668,  221,  205,  197,  681,  164,
      162,  133,  119,  108,   88
    } ;

static yyconst short int yy_def[436] =
    {   0,
      398,    1,  399,  399,  400,  400,  401,  401,  402,  402,
      403,  403,  404,  404,  405,  405,  406,  406,  407,  407,
      408,  408,  398,  398,  398,  398,  398,  398,  398,  398,
      409,  398,  398,  398,  398,  410,  398,  398,  398,  411,
      398,  398,  398,  412,  398,  412,  413,  398,  414,  398,
      415,  416,  398,  417,  418,  398,  419,  420,  398,  421,
      398,  398,  398,  398,  398,  398,  398,  398,  398,  422,
      398,  398,  423,  423,  423,  423,  398,  398,  424,  424,
      424,  424,  424,  424,  424,  424,  424,  424,  424,  424,
      424,  424,  424,  424,  424,  398,  409,  398,  425,  398,

      410,  411,  398,  398,  412,  412,  412,  412,  413,  398,
      414,  398,  398,  398,  398,  416,  398,  398,  398,  398,
      418,  398,  398,  398,  426,  398,  398,  398,  398,  398,
      398,  427,  398,  428,  420,  421,  398,  398,  398,  429,
      398,  398,  398,  398,  398,  398,  398,  398,  398,  398,
      398,  422,  398,  423,  423,  423,  423,  424,  424,  424,
      424,  424,  424,  424,  424,  424,  424,  424,  424,  424,
      424,  424,  424,  424,  424,  424,  424,  424,  424,  424,
      424,  424,  424,  424,  425,  398,  398,  398,  398,  398,
      398,  398,  415,  398,  398,  398,  398,  417,  398,  430,

      431,  428,  429,  398,  398,  398,  398,  398,  398,  423,
      423,  424,  424,  424,  424,  424,  424,  424,  424,  424,
      424,  424,  424,  424,  424,  424,  424,  424,  424,  424,
      424,  424,  424,  424,  424,  424,  424,  424,  424,  424,
      424,  424,  424,  398,  432,  433,  398,  424,  424,  424,
      424,  424,  424,  424,  424,  424,  424,  424,  424,  424,
      424,  424,  424,  424,  424,  424,  424,  424,  424,  424,
      424,  424,  424,  424,  424,  424,  424,  424,  424,  434,
      435,  424,  424,  424,  424,  424,  424,  424,  424,  424,
      424,  424,  424,  424,  424,  424,  424,  424,  424,  424,

      424,  424,  424,  424,  424,  424,  424,  424,  427,  398,
      424,  424,  424,  424,  424,  424,  424,  424,  424,  424,
      424,  424,  424,  424,  424,  424,  424,  424,  424,  424,
      424,  424,  424,  424,  424,  424,  424,  424,  424,  424,
      424,  424,  424,  424,  424,  424,  424,  424,  424,  424,
      424,  424,  424,  424,  424,  424,  424,  424,  424,  424,
      424,  424,  424,  424,  424,  424,  424,  424,  424,  424,
      424,  424,  424,  424,  424,  424,  424,  424,  424,  424,
      424,  424,  424,  424,  424,  424,  424,  424,  424,  424,
      424,  424,  424,  424,  424,  424,  424,    0,  398,  398,

      398,  398,  398,  398,  398,  398,  398,  398,  398,  398,
      398,  398,  398,  398,  398,  398,  398,  398,  398,  398,
      398,  398,  398,  398,  398,  398,  398,  398,  398,  398,
      398,  398,  398,  398,  398
    } ;

static yyconst short int yy_nxt[899] =
    {   0,
       24,   25,   26,   27,   24,   28,   29,   24,   30,   24,
       31,   32,   33,   33,   34,   35,   36,   37,   24,   24,
       24,   31,   31,   24,   24,   24,   31,   31,   31,   31,
       31,   31,   31,   31,   31,   31,   31,   31,   31,   31,
       31,   31,   31,   31,   31,   31,   31,   31,   31,   38,
       39,   24,   24,   41,   41,   45,   53,   98,   45,   77,
       77,   99,   50,   77,   77,   50,  100,  100,   56,   42,
       42,   43,   43,   42,   54,   43,   42,   46,   43,   42,
       46,   43,   42,   51,   43,   42,   51,   43,   53,   57,
       56,   59,   59,  160,  141,  103,   61,  310,   71,   64,

      142,  107,  108,  161,   72,   42,   54,   43,  104,   57,
       57,   57,   61,   62,   63,   64,   42,  309,   43,   61,
       65,   71,   64,   74,  106,   66,   75,   72,  281,   67,
       74,   76,   42,   75,   43,  146,  113,  114,   76,   42,
      143,   43,  280,   42,  144,   43,  147,  118,  119,  143,
       42,  155,   43,  144,  148,  156,  166,  145,   68,  115,
       69,   61,   62,   63,   64,  167,  145,  137,  157,   65,
      120,  246,  138,  245,   66,  139,  139,  149,   67,  140,
      169,   42,  150,   43,  162,  151,  151,   77,   77,  163,
      173,  177,  219,  170,  179,  100,  100,  171,  141,  178,

      187,  188,  220,  180,  142,  174,  202,   68,  175,   69,
       78,  181,  189,  190,  201,   79,  192,  193,  194,  195,
      197,  198,  139,  139,  139,  139,   79,   79,  204,  205,
      200,   79,   79,   80,   79,   81,   82,   83,   84,   79,
       79,   79,   85,   86,   87,   88,   89,   90,   91,   92,
       93,   94,   79,   95,   96,  123,  206,  207,  123,  107,
      108,  397,  107,  108,  124,  208,  209,  151,  151,  151,
      151,  123,  210,  211,  125,  222,  123,  213,  227,  126,
      127,  214,  106,  232,  128,  106,  396,  233,  187,  188,
      223,  129,  215,  103,  130,  227,  131,  132,  133,  134,

      189,  190,  189,  190,  192,  193,  104,  395,  228,  194,
      195,  194,  195,  197,  198,  204,  205,  206,  207,  143,
      208,  209,  146,  144,  210,  211,  155,  295,  302,  137,
      156,  314,  317,  147,  138,  329,  145,  139,  139,  392,
      394,  148,  393,  157,  295,  302,  391,  390,  314,  317,
      389,  388,  329,  387,  386,  385,  392,   40,   40,   40,
       40,   40,   40,   40,   40,   40,   40,   40,   40,   40,
       44,   44,   44,   44,   44,   44,   44,   44,   44,   44,
       44,   44,   44,   47,   47,   47,   47,   47,   47,   47,
       47,   47,   47,   47,   47,   47,   49,   49,   49,   49,

       49,   49,   49,   49,   49,   49,   49,   49,   49,   52,
       52,   52,   52,   52,   52,   52,   52,   52,   52,   52,
       52,   52,   55,   55,   55,   55,   55,   55,   55,   55,
       55,   55,   55,   55,   55,   58,   58,   58,   58,   58,
       58,   58,   58,   58,   58,   58,   58,   58,   60,   60,
       60,   60,   60,   60,   60,   60,   60,   60,   60,   60,
       60,   70,   70,   70,   70,   70,   70,   70,   70,   70,
       70,   70,   70,   70,   73,   73,   73,   73,   73,   73,
       73,   73,   73,   73,   73,   73,   73,   97,   97,  101,
      384,  101,  101,  101,  101,  101,  101,  101,  101,  383,

      101,  101,  102,  102,  102,  102,  102,  102,  382,  102,
      102,  102,  102,  381,  102,  105,  380,  105,  105,  105,
      105,  105,  105,  105,  105,  105,  379,  105,  109,  109,
      109,  109,  109,  109,  378,  109,  109,  109,  109,  109,
      109,  111,  111,  377,  111,  111,  111,  111,  111,  111,
      111,  111,  112,  112,  112,  112,  112,  112,  112,  112,
      112,  112,  112,  376,  112,  116,  116,  116,  116,  116,
      375,  116,  116,  116,  116,  116,  117,  117,  117,  117,
      117,  117,  117,  117,  117,  117,  117,  374,  117,  121,
      121,  373,  121,  121,  121,  121,  121,  121,  121,  121,

      121,  122,  122,  122,  122,  122,  122,  122,  122,  122,
      122,  122,  122,  122,  135,  135,  135,  135,  135,  372,
      135,  135,  135,  135,  135,  135,  136,  136,  371,  370,
      369,  368,  136,  136,  136,  136,  136,  367,  136,  152,
      152,  366,  152,  365,  364,  152,  152,  152,  152,  152,
      363,  152,  154,  154,  154,  154,  154,  154,  154,  154,
      154,  154,  154,  362,  154,  158,  158,  158,  185,  361,
      185,  185,  185,  185,  185,  185,  185,  185,  185,  185,
      185,  203,  360,  203,  203,  203,  203,  203,  203,  203,
      203,  359,  203,  203,  358,  357,  356,  355,  354,  353,

      352,  351,  350,  349,  348,  347,  346,  345,  344,  343,
      342,  341,  340,  339,  338,  337,  336,  335,  334,  333,
      332,  331,  330,  328,  327,  326,  325,  324,  323,  322,
      321,  320,  319,  318,  316,  315,  313,  312,  311,  308,
      307,  306,  305,  304,  303,  301,  300,  299,  298,  297,
      296,  294,  293,  292,  291,  290,  289,  288,  287,  286,
      285,  284,  283,  282,  279,  278,  277,  276,  275,  274,
      273,  272,  271,  270,  269,  268,  267,  266,  265,  264,
      263,  262,  261,  260,  259,  258,  257,  256,  255,  254,
      253,  252,  251,  250,  249,  248,  247,  244,  120,  196,

      115,  191,  243,  242,  241,  240,  239,  238,  237,  236,
      235,  234,  231,  230,  229,  226,  225,  224,  221,  218,
      217,  216,  212,  199,  196,  191,  106,  106,  186,  184,
      183,  182,  176,  172,  168,  165,  164,  159,  153,  110,
      106,  398,   48,   48,   23,  398,  398,  398,  398,  398,
      398,  398,  398,  398,  398,  398,  398,  398,  398,  398,
      398,  398,  398,  398,  398,  398,  398,  398,  398,  398,
      398,  398,  398,  398,  398,  398,  398,  398,  398,  398,
      398,  398,  398,  398,  398,  398,  398,  398,  398,  398,
      398,  398,  398,  398,  398,  398,  398,  398

    } ;

static yyconst short int yy_chk[899] =
    {   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,    1,
        1,    1,    1,    1,    1,    1,    1,    1,    1,    1,
        1,    1,    1,    3,    4,    5,   11,   32,    6,   25,
       25,   32,    9,   26,   26,   10,   33,   33,   13,    3,
        4,    3,    4,   11,   11,   11,    5,    5,    5,    6,
        6,    6,    9,    9,    9,   10,   10,   10,   12,   13,
       14,   15,   16,   81,   63,   41,   19,  435,   19,   19,

       63,   46,   46,   81,   19,   12,   12,   12,   41,   15,
       16,   14,   17,   17,   17,   17,   19,  434,   19,   20,
       17,   20,   20,   21,   46,   17,   21,   20,  433,   17,
       22,   21,   17,   22,   17,   66,   51,   51,   22,   20,
       65,   20,  432,   21,   65,   21,   66,   54,   54,   72,
       22,   76,   22,   72,   66,   76,   85,   65,   17,   51,
       17,   18,   18,   18,   18,   85,   72,   62,   76,   18,
       54,  431,   62,  430,   18,   62,   62,   67,   18,   62,
       87,   18,   67,   18,   82,   67,   67,   77,   77,   82,
       89,   91,  164,   87,   92,  100,  100,   87,  205,   91,

      104,  104,  164,   92,  205,   89,  428,   18,   89,   18,
       28,   92,  113,  113,  427,   28,  115,  115,  118,  118,
      120,  120,  138,  138,  139,  139,   28,   28,  142,  142,
      426,   28,   28,   28,   28,   28,   28,   28,   28,   28,
       28,   28,   28,   28,   28,   28,   28,   28,   28,   28,
       28,   28,   28,   28,   28,   57,  145,  145,   57,  106,
      106,  396,  107,  107,   57,  148,  148,  150,  150,  151,
      151,   57,  157,  157,   57,  166,   57,  160,  170,   57,
       57,  160,  106,  174,   57,  107,  395,  174,  187,  187,
      166,   57,  160,  188,   57,  170,   57,   57,   57,   57,

      189,  189,  191,  191,  192,  192,  188,  394,  170,  194,
      194,  196,  196,  197,  197,  204,  204,  206,  206,  207,
      208,  208,  209,  207,  210,  210,  211,  262,  270,  247,
      211,  287,  290,  209,  247,  306,  207,  247,  247,  390,
      393,  209,  392,  211,  262,  270,  389,  384,  287,  290,
      382,  381,  306,  380,  379,  378,  390,  399,  399,  399,
      399,  399,  399,  399,  399,  399,  399,  399,  399,  399,
      400,  400,  400,  400,  400,  400,  400,  400,  400,  400,
      400,  400,  400,  401,  401,  401,  401,  401,  401,  401,
      401,  401,  401,  401,  401,  401,  402,  402,  402,  402,

      402,  402,  402,  402,  402,  402,  402,  402,  402,  403,
      403,  403,  403,  403,  403,  403,  403,  403,  403,  403,
      403,  403,  404,  404,  404,  404,  404,  404,  404,  404,
      404,  404,  404,  404,  404,  405,  405,  405,  405,  405,
      405,  405,  405,  405,  405,  405,  405,  405,  406,  406,
      406,  406,  406,  406,  406,  406,  406,  406,  406,  406,
      406,  407,  407,  407,  407,  407,  407,  407,  407,  407,
      407,  407,  407,  407,  408,  408,  408,  408,  408,  408,
      408,  408,  408,  408,  408,  408,  408,  409,  409,  410,
      376,  410,  410,  410,  410,  410,  410,  410,  410,  375,

      410,  410,  411,  411,  411,  411,  411,  411,  374,  411,
      411,  411,  411,  372,  411,  412,  371,  412,  412,  412,
      412,  412,  412,  412,  412,  412,  370,  412,  413,  413,
      413,  413,  413,  413,  369,  413,  413,  413,  413,  413,
      413,  414,  414,  366,  414,  414,  414,  414,  414,  414,
      414,  414,  415,  415,  415,  415,  415,  415,  415,  415,
      415,  415,  415,  365,  415,  416,  416,  416,  416,  416,
      364,  416,  416,  416,  416,  416,  417,  417,  417,  417,
      417,  417,  417,  417,  417,  417,  417,  363,  417,  418,
      418,  362,  418,  418,  418,  418,  418,  418,  418,  418,

      418,  419,  419,  419,  419,  419,  419,  419,  419,  419,
      419,  419,  419,  419,  420,  420,  420,  420,  420,  361,
      420,  420,  420,  420,  420,  420,  421,  421,  359,  358,
      355,  354,  421,  421,  421,  421,  421,  353,  421,  422,
      422,  352,  422,  351,  350,  422,  422,  422,  422,  422,
      349,  422,  423,  423,  423,  423,  423,  423,  423,  423,
      423,  423,  423,  348,  423,  424,  424,  424,  425,  346,
      425,  425,  425,  425,  425,  425,  425,  425,  425,  425,
      425,  429,  345,  429,  429,  429,  429,  429,  429,  429,
      429,  344,  429,  429,  342,  341,  340,  339,  338,  337,

      336,  335,  334,  333,  332,  330,  329,  328,  327,  326,
      325,  323,  322,  321,  320,  319,  318,  317,  316,  314,
      313,  312,  308,  304,  302,  301,  300,  299,  297,  296,
      295,  293,  292,  291,  289,  288,  285,  284,  282,  278,
      277,  275,  273,  272,  271,  269,  267,  266,  265,  264,
      263,  261,  260,  259,  257,  256,  255,  254,  253,  252,
      251,  250,  249,  248,  243,  242,  241,  240,  239,  238,
      237,  236,  235,  234,  233,  232,  231,  230,  229,  228,
      227,  226,  225,  224,  223,  222,  221,  220,  219,  218,
      217,  216,  215,  214,  213,  212,  203,  199,  198,  195,

      193,  190,  184,  183,  182,  181,  180,  179,  178,  177,
      176,  175,  173,  172,  171,  169,  168,  167,  165,  163,
      162,  161,  159,  124,  119,  114,  108,  105,  101,   95,
       94,   93,   90,   88,   86,   84,   83,   80,   71,   48,
       44,   23,    8,    7,  398,  398,  398,  398,  398,  398,
      398,  398,  398,  398,  398,  398,  398,  398,  398,  398,
      398,  398,  398,  398,  398,  398,  398,  398,  398,  398,
      398,  398,  398,  398,  398,  398,  398,  398,  398,  398,
      398,  398,  398,  398,  398,  398,  398,  398,  398,  398,
      398,  398,  398,  398,  398,  398,  398,  398

    } ;

static yy_state_type yy_last_accepting_state;
static char *yy_last_accepting_cpos;

extern int yy_flex_debug;
int yy_flex_debug = 1;

static yyconst short int yy_rule_linenum[103] =
    {   0,
      217,  218,  219,  220,  221,  222,  223,  224,  225,  226,
      227,  228,  229,  230,  231,  232,  233,  234,  235,  236,
      237,  238,  239,  240,  241,  242,  243,  244,  245,  246,
      247,  248,  249,  250,  252,  257,  258,  259,  260,  261,
      263,  265,  271,  285,  288,  291,  292,  295,  298,  301,
      309,  315,  330,  331,  341,  346,  361,  362,  377,  378,
      390,  400,  419,  435,  454,  465,  478,  479,  480,  481,
      482,  483,  484,  485,  486,  496,  501,  512,  518,  519,
      520,  522,  539,  545,  546,  547,  549,  566,  569,  572,
      573,  576,  587,  588,  589,  602,  604,  609,  628,  635,

      636,  655
    } ;

/* The intent behind this definition is that it'll catch
 * any uses of REJECT which flex missed.
 */
#define REJECT reject_used_but_not_detected
#define yymore() yymore_used_but_not_detected
#define YY_MORE_ADJ 0
#define YY_RESTORE_YY_MORE_OFFSET
char *yytext;
#line 1 "scan-gram.l"
#define INITIAL 0
/* Bison Grammar Scanner                             -*- C -*-
   Copyright (C) 2002 Free Software Foundation, Inc.

   This file is part of Bison, the GNU Compiler Compiler.

   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 of the License, 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., 59 Temple Place, Suite 330, Boston, MA
   02111-1307  USA
*/
#define YY_NO_UNPUT 1
#define YY_NEVER_INTERACTIVE 1
#define YY_STACK_USED 1
#line 26 "scan-gram.l"
#include "system.h"
#include "mbswidth.h"
#include "complain.h"
#include "quote.h"
#include "getargs.h"
#include "gram.h"
#include "reader.h"

/* Each time we match a string, move the end cursor to its end. */
#define YY_USER_INIT				\
do {						\
  LOCATION_RESET (*yylloc);			\
  yylloc->file = infile;			\
   /* This is only to avoid GCC warnings. */	\
  if (yycontrol) {;};				\
} while (0)

#define YY_USER_ACTION  extend_location (yylloc, yytext, yyleng);
#define YY_STEP         LOCATION_STEP (*yylloc)

#define YY_INPUT(buf, result, size) ((result) = no_cr_read (yyin, buf, size))


/* Read bytes from FP into buffer BUF of size SIZE.  Return the
   number of bytes read.  Remove '\r' from input, treating \r\n
   and isolated \r as \n.  */

static size_t
no_cr_read (FILE *fp, char *buf, size_t size)
{
  size_t s = fread (buf, 1, size, fp);
  if (s)
    {
      char *w = memchr (buf, '\r', s);
      if (w)
	{
	  char const *r = ++w;
	  char const *lim = buf + s;

	  for (;;)
	    {
	      /* Found an '\r'.  Treat it like '\n', but ignore any
		 '\n' that immediately follows.  */
	      w[-1] = '\n';
	      if (r == lim)
		{
		  int ch = getc (fp);
		  if (ch != '\n' && ungetc (ch, fp) != ch)
		    break;
		}
	      else if (*r == '\n')
		r++;

	      /* Copy until the next '\r'.  */
	      do
		{
		  if (r == lim)
		    return w - buf;
		}
	      while ((*w++ = *r++) != '\r');
	    }

	  return w - buf;
	}
    }

  return s;
}


/* Extend *LOC to account for token TOKEN of size SIZE.  */

static void
extend_location (location_t *loc, char const *token, int size)
{
  int line = loc->last_line;
  int column = loc->last_column;
  char const *p0 = token;
  char const *p = token;
  char const *lim = token + size;

  for (p = token; p < lim; p++)
    switch (*p)
      {
      case '\r':
	/* \r shouldn't survive no_cr_read.  */
	abort ();

      case '\n':
	line++;
	column = 1;
	p0 = p + 1;
	break;

      case '\t':
	column += mbsnwidth (p0, p - p0, 0);
	column += 8 - ((column - 1) & 7);
	p0 = p + 1;
	break;
      }

  loc->last_line = line;
  loc->last_column = column + mbsnwidth (p0, p - p0, 0);
}



/* STRING_OBSTACK -- Used to store all the characters that we need to
   keep (to construct ID, STRINGS etc.).  Use the following macros to
   use it.

   Use YY_OBS_GROW to append what has just been matched, and
   YY_OBS_FINISH to end the string (it puts the ending 0).
   YY_OBS_FINISH also stores this string in LAST_STRING, which can be
   used, and which is used by YY_OBS_FREE to free the last string.  */

static struct obstack string_obstack;
char *last_string;

#define YY_OBS_GROW   \
  obstack_grow (&string_obstack, yytext, yyleng)

#define YY_OBS_FINISH					\
  do {							\
    obstack_1grow (&string_obstack, '\0');		\
    last_string = obstack_finish (&string_obstack);	\
  } while (0)

#define YY_OBS_FREE						\
  do {								\
    obstack_free (&string_obstack, last_string);		\
  } while (0)

void
scanner_last_string_free (void)
{
  YY_OBS_FREE;
}


static int percent_percent_count = 0;

/* Within well-formed rules, RULE_LENGTH is the number of values in
   the current rule so far, which says where to find `$0' with respect
   to the top of the stack.  It is not the same as the rule->length in
   the case of mid rule actions.

   Outside of well-formed rules, RULE_LENGTH has an undefined value.  */
static int rule_length;

static void handle_dollar (braced_code_t code_kind,
			   char *cp, location_t location);
static void handle_at (braced_code_t code_kind,
		       char *cp, location_t location);
static int convert_ucn_to_byte (char const *hex_text);

#define SC_COMMENT 1
#define SC_LINE_COMMENT 2
#define SC_YACC_COMMENT 3

#define SC_STRING 4
#define SC_CHARACTER 5

#define SC_ESCAPED_STRING 6
#define SC_ESCAPED_CHARACTER 7

#define SC_BRACED_CODE 8
#define SC_PROLOGUE 9
#define SC_EPILOGUE 10

/* POSIX says that a tag must be both an id and a C union member, but
   historically almost any character is allowed in a tag.  We disallow
   NUL and newline, as this simplifies our implementation.  */
/* Zero or more instances of backslash-newline.  Following GCC, allow
   white space between the backslash and the newline.  */
#line 944 "scan-gram.c"

/* Macros after this point can all be overridden by user definitions in
 * section 1.
 */

#ifndef YY_SKIP_YYWRAP
#ifdef __cplusplus
extern "C" int yywrap YY_PROTO(( void ));
#else
extern int yywrap YY_PROTO(( void ));
#endif
#endif

#ifndef YY_NO_UNPUT
static void yyunput YY_PROTO(( int c, char *buf_ptr ));
#endif

#ifndef yytext_ptr
static void yy_flex_strncpy YY_PROTO(( char *, yyconst char *, int ));
#endif

#ifdef YY_NEED_STRLEN
static int yy_flex_strlen YY_PROTO(( 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

#else
#define YY_NO_PUSH_STATE 1
#define YY_NO_POP_STATE 1
#define YY_NO_TOP_STATE 1
#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. */
#ifndef YY_READ_BUF_SIZE
#define YY_READ_BUF_SIZE 8192
#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 )
#endif

/* Gets input and stuffs it into "buf".  number of characters read, or YY_NULL,
 * is returned in "result".
 */
#ifndef YY_INPUT
#define YY_INPUT(buf,result,max_size) \
	if ( yy_current_buffer->yy_is_interactive ) \
		{ \
		int c = '*', n; \
		for ( n = 0; n < max_size && \
			     (c = getc( yyin )) != EOF && c != '\n'; ++n ) \
			buf[n] = (char) c; \
		if ( c == '\n' ) \
			buf[n++] = (char) c; \
		if ( c == EOF && ferror( yyin ) ) \
			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" );
#endif

/* No semi-colon after return; correct usage is to write "yyterminate();" -
 * we don't want an extra ';' after the "return" because that will cause
 * some compilers to complain about unreachable statements.
 */
#ifndef yyterminate
#define yyterminate() return YY_NULL
#endif

/* Number of entries by which start-condition stack grows. */
#ifndef YY_START_STACK_INCR
#define YY_START_STACK_INCR 25
#endif

/* Report a fatal error. */
#ifndef YY_FATAL_ERROR
#define YY_FATAL_ERROR(msg) yy_fatal_error( msg )
#endif

/* 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

/* Code executed at the beginning of each rule, after yytext and yyleng
 * have been set up.
 */
#ifndef YY_USER_ACTION
#define YY_USER_ACTION
#endif

/* Code executed at the end of each rule. */
#ifndef YY_BREAK
#define YY_BREAK break;
#endif

#define YY_RULE_SETUP \
	YY_USER_ACTION

YY_DECL
	{
	register yy_state_type yy_current_state;
	register char *yy_cp, *yy_bp;
	register int yy_act;

#line 202 "scan-gram.l"


  int braces_level IF_LINT (= 0);

  /* At each yylex invocation, mark the current position as the
     start of the next token.  */
  YY_STEP;



  /*----------------------------.
  | Scanning Bison directives.  |
  `----------------------------*/
#line 1109 "scan-gram.c"

	if ( yy_init )
		{
		yy_init = 0;

#ifdef YY_USER_INIT
		YY_USER_INIT;
#endif

		if ( ! yy_start )
			yy_start = 1;	/* first start state */

		if ( ! yyin )
			yyin = stdin;

		if ( ! yyout )
			yyout = stdout;

		if ( ! yy_current_buffer )
			yy_current_buffer =
				yy_create_buffer( yyin, YY_BUF_SIZE );

		yy_load_buffer_state();
		}

	while ( 1 )		/* loops until end-of-file is reached */
		{
		yy_cp = yy_c_buf_p;

		/* Support of yytext. */
		*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_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;
				}
			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 >= 399 )
					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] != 845 );

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_act = yy_accept[yy_current_state];
			}

		YY_DO_BEFORE_ACTION;


do_action:	/* This label is used only to access EOF actions. */

		if ( yy_flex_debug )
			{
			if ( yy_act == 0 )
				fprintf( stderr, "--scanner backing up\n" );
			else if ( yy_act < 103 )
				fprintf( stderr, "--accepting rule at line %d (\"%s\")\n",
				         yy_rule_linenum[yy_act], yytext );
			else if ( yy_act == 103 )
				fprintf( stderr, "--accepting default rule (\"%s\")\n",
				         yytext );
			else if ( yy_act == 104 )
				fprintf( stderr, "--(end of buffer or a NUL)\n" );
			else
				fprintf( stderr, "--EOF (start condition %d)\n", YY_START );
			}

		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;
			goto yy_find_action;



case 1:
YY_RULE_SETUP
#line 217 "scan-gram.l"
return PERCENT_NONASSOC;
	YY_BREAK
case 2:
YY_RULE_SETUP
#line 218 "scan-gram.l"
return PERCENT_DEBUG;
	YY_BREAK
case 3:
YY_RULE_SETUP
#line 219 "scan-gram.l"
return PERCENT_DEFINE;
	YY_BREAK
case 4:
YY_RULE_SETUP
#line 220 "scan-gram.l"
return PERCENT_DEFINES;
	YY_BREAK
case 5:
YY_RULE_SETUP
#line 221 "scan-gram.l"
return PERCENT_DESTRUCTOR;
	YY_BREAK
case 6:
YY_RULE_SETUP
#line 222 "scan-gram.l"
return PERCENT_DPREC;
	YY_BREAK
case 7:
YY_RULE_SETUP
#line 223 "scan-gram.l"
return PERCENT_ERROR_VERBOSE;
	YY_BREAK
case 8:
YY_RULE_SETUP
#line 224 "scan-gram.l"
return PERCENT_EXPECT;
	YY_BREAK
case 9:
YY_RULE_SETUP
#line 225 "scan-gram.l"
return PERCENT_FILE_PREFIX;
	YY_BREAK
case 10:
YY_RULE_SETUP
#line 226 "scan-gram.l"
return PERCENT_YACC;
	YY_BREAK
case 11:
YY_RULE_SETUP
#line 227 "scan-gram.l"
return PERCENT_GLR_PARSER;
	YY_BREAK
case 12:
YY_RULE_SETUP
#line 228 "scan-gram.l"
return PERCENT_LEFT;
	YY_BREAK
case 13:
YY_RULE_SETUP
#line 229 "scan-gram.l"
return PERCENT_LOCATIONS;
	YY_BREAK
case 14:
YY_RULE_SETUP
#line 230 "scan-gram.l"
return PERCENT_MERGE;
	YY_BREAK
case 15:
YY_RULE_SETUP
#line 231 "scan-gram.l"
return PERCENT_NAME_PREFIX;
	YY_BREAK
case 16:
YY_RULE_SETUP
#line 232 "scan-gram.l"
return PERCENT_NO_LINES;
	YY_BREAK
case 17:
YY_RULE_SETUP
#line 233 "scan-gram.l"
return PERCENT_NONASSOC;
	YY_BREAK
case 18:
YY_RULE_SETUP
#line 234 "scan-gram.l"
return PERCENT_NTERM;
	YY_BREAK
case 19:
YY_RULE_SETUP
#line 235 "scan-gram.l"
return PERCENT_OUTPUT;
	YY_BREAK
case 20:
YY_RULE_SETUP
#line 236 "scan-gram.l"
return PERCENT_PARSE_PARAM;
	YY_BREAK
case 21:
YY_RULE_SETUP
#line 237 "scan-gram.l"
rule_length--; return PERCENT_PREC;
	YY_BREAK
case 22:
YY_RULE_SETUP
#line 238 "scan-gram.l"
return PERCENT_PRINTER;
	YY_BREAK
case 23:
YY_RULE_SETUP
#line 239 "scan-gram.l"
return PERCENT_PURE_PARSER;
	YY_BREAK
case 24:
YY_RULE_SETUP
#line 240 "scan-gram.l"
return PERCENT_RIGHT;
	YY_BREAK
case 25:
YY_RULE_SETUP
#line 241 "scan-gram.l"
return PERCENT_LEX_PARAM;
	YY_BREAK
case 26:
YY_RULE_SETUP
#line 242 "scan-gram.l"
return PERCENT_SKELETON;
	YY_BREAK
case 27:
YY_RULE_SETUP
#line 243 "scan-gram.l"
return PERCENT_START;
	YY_BREAK
case 28:
YY_RULE_SETUP
#line 244 "scan-gram.l"
return PERCENT_TOKEN;
	YY_BREAK
case 29:
YY_RULE_SETUP
#line 245 "scan-gram.l"
return PERCENT_TOKEN;
	YY_BREAK
case 30:
YY_RULE_SETUP
#line 246 "scan-gram.l"
return PERCENT_TOKEN_TABLE;
	YY_BREAK
case 31:
YY_RULE_SETUP
#line 247 "scan-gram.l"
return PERCENT_TYPE;
	YY_BREAK
case 32:
YY_RULE_SETUP
#line 248 "scan-gram.l"
return PERCENT_UNION;
	YY_BREAK
case 33:
YY_RULE_SETUP
#line 249 "scan-gram.l"
return PERCENT_VERBOSE;
	YY_BREAK
case 34:
YY_RULE_SETUP
#line 250 "scan-gram.l"
return PERCENT_YACC;
	YY_BREAK
case 35:
YY_RULE_SETUP
#line 252 "scan-gram.l"
{
    complain_at (*yylloc, _("invalid directive: %s"), quote (yytext));
    YY_STEP;
  }
	YY_BREAK
case 36:
YY_RULE_SETUP
#line 257 "scan-gram.l"
return EQUAL;
	YY_BREAK
case 37:
YY_RULE_SETUP
#line 258 "scan-gram.l"
rule_length = 0; return COLON;
	YY_BREAK
case 38:
YY_RULE_SETUP
#line 259 "scan-gram.l"
rule_length = 0; return PIPE;
	YY_BREAK
case 39:
YY_RULE_SETUP
#line 260 "scan-gram.l"
return COMMA;
	YY_BREAK
case 40:
YY_RULE_SETUP
#line 261 "scan-gram.l"
return SEMICOLON;
	YY_BREAK
case 41:
YY_RULE_SETUP
#line 263 "scan-gram.l"
YY_STEP;
	YY_BREAK
case 42:
YY_RULE_SETUP
#line 265 "scan-gram.l"
{
    yylval->symbol = symbol_get (yytext, *yylloc);
    rule_length++;
    return ID;
  }
	YY_BREAK
case 43:
YY_RULE_SETUP
#line 271 "scan-gram.l"
{
    unsigned long num;
    errno = 0;
    num = strtoul (yytext, 0, 10);
    if (INT_MAX < num || errno)
      {
	complain_at (*yylloc, _("invalid value: %s"), quote (yytext));
	num = INT_MAX;
      }
    yylval->integer = num;
    return INT;
  }
	YY_BREAK
/* Characters.  We don't check there is only one.  */
case 44:
YY_RULE_SETUP
#line 285 "scan-gram.l"
YY_OBS_GROW; yy_push_state (SC_ESCAPED_CHARACTER);
	YY_BREAK
/* Strings. */
case 45:
YY_RULE_SETUP
#line 288 "scan-gram.l"
YY_OBS_GROW; yy_push_state (SC_ESCAPED_STRING);
	YY_BREAK
/* Comments. */
case 46:
YY_RULE_SETUP
#line 291 "scan-gram.l"
BEGIN SC_YACC_COMMENT;
	YY_BREAK
case 47:
YY_RULE_SETUP
#line 292 "scan-gram.l"
YY_STEP;
	YY_BREAK
/* Prologue. */
case 48:
YY_RULE_SETUP
#line 295 "scan-gram.l"
yy_push_state (SC_PROLOGUE);
	YY_BREAK
/* Code in between braces.  */
case 49:
YY_RULE_SETUP
#line 298 "scan-gram.l"
YY_OBS_GROW; braces_level = 0; yy_push_state (SC_BRACED_CODE);
	YY_BREAK
/* A type. */
case 50:
YY_RULE_SETUP
#line 301 "scan-gram.l"
{
    obstack_grow (&string_obstack, yytext + 1, yyleng - 2);
    YY_OBS_FINISH;
    yylval->string = last_string;
    return TYPE;
  }
	YY_BREAK
case 51:
YY_RULE_SETUP
#line 309 "scan-gram.l"
{
    if (++percent_percent_count == 2)
      yy_push_state (SC_EPILOGUE);
    return PERCENT_PERCENT;
  }
	YY_BREAK
case 52:
YY_RULE_SETUP
#line 315 "scan-gram.l"
{
    complain_at (*yylloc, _("invalid character: %s"), quote (yytext));
    YY_STEP;
  }
	YY_BREAK

/*-------------------------------------------------------------------.
  | Whatever the start condition (but those which correspond to        |
  | entities `swallowed' by Bison: SC_YACC_COMMENT, SC_ESCAPED_STRING, |
  | and SC_ESCAPED_CHARACTER), no M4 character must escape as is.      |
  `-------------------------------------------------------------------*/


case 53:
YY_RULE_SETUP
#line 330 "scan-gram.l"
obstack_sgrow (&string_obstack, "@<:@");
	YY_BREAK
case 54:
YY_RULE_SETUP
#line 331 "scan-gram.l"
obstack_sgrow (&string_obstack, "@:>@");
	YY_BREAK

/*---------------------------------------------------------------.
  | Scanning a Yacc comment.  The initial `/ *' is already eaten.  |
  `---------------------------------------------------------------*/


case 55:
YY_RULE_SETUP
#line 341 "scan-gram.l"
{
    YY_STEP;
    BEGIN INITIAL;
  }
	YY_BREAK
case 56:
YY_RULE_SETUP
#line 346 "scan-gram.l"
;
	YY_BREAK
case YY_STATE_EOF(SC_YACC_COMMENT):
#line 348 "scan-gram.l"
{
    complain_at (*yylloc, _("unexpected end of file in a comment"));
    BEGIN INITIAL;
  }
	YY_BREAK

/*------------------------------------------------------------.
  | Scanning a C comment.  The initial `/ *' is already eaten.  |
  `------------------------------------------------------------*/


case 57:
YY_RULE_SETUP
#line 361 "scan-gram.l"
YY_OBS_GROW; yy_pop_state ();
	YY_BREAK
case 58:
YY_RULE_SETUP
#line 362 "scan-gram.l"
YY_OBS_GROW;
	YY_BREAK
case YY_STATE_EOF(SC_COMMENT):
#line 364 "scan-gram.l"
{
    complain_at (*yylloc, _("unexpected end of file in a comment"));
    yy_pop_state ();
  }
	YY_BREAK

/*--------------------------------------------------------------.
  | Scanning a line comment.  The initial `//' is already eaten.  |
  `--------------------------------------------------------------*/


case 59:
YY_RULE_SETUP
#line 377 "scan-gram.l"
YY_OBS_GROW; yy_pop_state ();
	YY_BREAK
case 60:
YY_RULE_SETUP
#line 378 "scan-gram.l"
YY_OBS_GROW;
	YY_BREAK
case YY_STATE_EOF(SC_LINE_COMMENT):
#line 379 "scan-gram.l"
yy_pop_state ();
	YY_BREAK

/*----------------------------------------------------------------.
  | Scanning a C string, including its escapes.  The initial `"' is |
  | already eaten.                                                  |
  `----------------------------------------------------------------*/


case 61:
YY_RULE_SETUP
#line 390 "scan-gram.l"
{
    assert (yy_top_state () == INITIAL);
    YY_OBS_GROW;
    YY_OBS_FINISH;
    yylval->string = last_string;
    yy_pop_state ();
    rule_length++;
    return STRING;
  }
	YY_BREAK
case 62:
YY_RULE_SETUP
#line 400 "scan-gram.l"
YY_OBS_GROW;
	YY_BREAK
case YY_STATE_EOF(SC_ESCAPED_STRING):
#line 402 "scan-gram.l"
{
    complain_at (*yylloc, _("unexpected end of file in a string"));
    assert (yy_top_state () == INITIAL);
    YY_OBS_FINISH;
    yylval->string = last_string;
    yy_pop_state ();
    return STRING;
  }
	YY_BREAK

/*---------------------------------------------------------------.
  | Scanning a C character, decoding its escapes.  The initial "'" |
  | is already eaten.                                              |
  `---------------------------------------------------------------*/


case 63:
YY_RULE_SETUP
#line 419 "scan-gram.l"
{
    YY_OBS_GROW;
    assert (yy_top_state () == INITIAL);
    {
      YY_OBS_FINISH;
      yylval->symbol = symbol_get (last_string, *yylloc);
      symbol_class_set (yylval->symbol, token_sym, *yylloc);
      symbol_user_token_number_set (yylval->symbol,
				    (unsigned char) last_string[1], *yylloc);
      YY_OBS_FREE;
      yy_pop_state ();
      rule_length++;
      return ID;
    }
  }
	YY_BREAK
case 64:
YY_RULE_SETUP
#line 435 "scan-gram.l"
YY_OBS_GROW;
	YY_BREAK
case YY_STATE_EOF(SC_ESCAPED_CHARACTER):
#line 437 "scan-gram.l"
{
    complain_at (*yylloc, _("unexpected end of file in a character"));
    assert (yy_top_state () == INITIAL);
    YY_OBS_FINISH;
    yylval->string = last_string;
    yy_pop_state ();
    return CHARACTER;
  }
	YY_BREAK

/*----------------------------.
  | Decode escaped characters.  |
  `----------------------------*/


case 65:
YY_RULE_SETUP
#line 454 "scan-gram.l"
{
    unsigned long c = strtoul (yytext + 1, 0, 8);
    if (UCHAR_MAX < c)
      {
	complain_at (*yylloc, _("invalid escape: %s"), quote (yytext));
	YY_STEP;
      }
    else
      obstack_1grow (&string_obstack, c);
  }
	YY_BREAK
case 66:
YY_RULE_SETUP
#line 465 "scan-gram.l"
{
    unsigned long c;
    errno = 0;
    c = strtoul (yytext + 2, 0, 16);
    if (UCHAR_MAX < c || errno)
      {
	complain_at (*yylloc, _("invalid escape: %s"), quote (yytext));
	YY_STEP;
      }
    else
      obstack_1grow (&string_obstack, c);
  }
	YY_BREAK
case 67:
YY_RULE_SETUP
#line 478 "scan-gram.l"
obstack_1grow (&string_obstack, '\a');
	YY_BREAK
case 68:
YY_RULE_SETUP
#line 479 "scan-gram.l"
obstack_1grow (&string_obstack, '\b');
	YY_BREAK
case 69:
YY_RULE_SETUP
#line 480 "scan-gram.l"
obstack_1grow (&string_obstack, '\f');
	YY_BREAK
case 70:
YY_RULE_SETUP
#line 481 "scan-gram.l"
obstack_1grow (&string_obstack, '\n');
	YY_BREAK
case 71:
YY_RULE_SETUP
#line 482 "scan-gram.l"
obstack_1grow (&string_obstack, '\r');
	YY_BREAK
case 72:
YY_RULE_SETUP
#line 483 "scan-gram.l"
obstack_1grow (&string_obstack, '\t');
	YY_BREAK
case 73:
YY_RULE_SETUP
#line 484 "scan-gram.l"
obstack_1grow (&string_obstack, '\v');
	YY_BREAK
case 74:
YY_RULE_SETUP
#line 485 "scan-gram.l"
obstack_1grow (&string_obstack, yytext[1]);
	YY_BREAK
case 75:
YY_RULE_SETUP
#line 486 "scan-gram.l"
{
    int c = convert_ucn_to_byte (yytext);
    if (c < 0)
      {
	complain_at (*yylloc, _("invalid escape: %s"), quote (yytext));
	YY_STEP;
      }
    else
      obstack_1grow (&string_obstack, c);
  }
	YY_BREAK
case 76:
YY_RULE_SETUP
#line 496 "scan-gram.l"
{
    complain_at (*yylloc, _("unrecognized escape: %s"), quote (yytext));
    YY_OBS_GROW;
  }
	YY_BREAK
/* FLex wants this rule, in case of a `\<<EOF>>'. */
case 77:
YY_RULE_SETUP
#line 501 "scan-gram.l"
YY_OBS_GROW;
	YY_BREAK

/*----------------------------------------------------------.
  | Scanning a C character without decoding its escapes.  The |
  | initial "'" is already eaten.                             |
  `----------------------------------------------------------*/


case 78:
YY_RULE_SETUP
#line 512 "scan-gram.l"
{
    YY_OBS_GROW;
    assert (yy_top_state () != INITIAL);
    yy_pop_state ();
  }
	YY_BREAK
case 79:
YY_RULE_SETUP
#line 518 "scan-gram.l"
YY_OBS_GROW;
	YY_BREAK
case 80:
YY_RULE_SETUP
#line 519 "scan-gram.l"
YY_OBS_GROW;
	YY_BREAK
case 81:
YY_RULE_SETUP
#line 520 "scan-gram.l"
YY_OBS_GROW;
	YY_BREAK
/* Needed for `\<<EOF>>', `\\<<newline>>[', and `\\<<newline>>]'.  */
case 82:
YY_RULE_SETUP
#line 522 "scan-gram.l"
YY_OBS_GROW;
	YY_BREAK
case YY_STATE_EOF(SC_CHARACTER):
#line 524 "scan-gram.l"
{
    complain_at (*yylloc, _("unexpected end of file in a character"));
    assert (yy_top_state () != INITIAL);
    yy_pop_state ();
  }
	YY_BREAK

/*----------------------------------------------------------------.
  | Scanning a C string, without decoding its escapes.  The initial |
  | `"' is already eaten.                                           |
  `----------------------------------------------------------------*/


case 83:
YY_RULE_SETUP
#line 539 "scan-gram.l"
{
    assert (yy_top_state () != INITIAL);
    YY_OBS_GROW;
    yy_pop_state ();
  }
	YY_BREAK
case 84:
YY_RULE_SETUP
#line 545 "scan-gram.l"
YY_OBS_GROW;
	YY_BREAK
case 85:
YY_RULE_SETUP
#line 546 "scan-gram.l"
YY_OBS_GROW;
	YY_BREAK
case 86:
YY_RULE_SETUP
#line 547 "scan-gram.l"
YY_OBS_GROW;
	YY_BREAK
/* Needed for `\<<EOF>>', `\\<<newline>>[', and `\\<<newline>>]'.  */
case 87:
YY_RULE_SETUP
#line 549 "scan-gram.l"
YY_OBS_GROW;
	YY_BREAK
case YY_STATE_EOF(SC_STRING):
#line 551 "scan-gram.l"
{
    complain_at (*yylloc, _("unexpected end of file in a string"));
    assert (yy_top_state () != INITIAL);
    yy_pop_state ();
  }
	YY_BREAK

/*---------------------------------------------------.
  | Strings, comments etc. can be found in user code.  |
  `---------------------------------------------------*/


/* Characters.  We don't check there is only one.  */
case 88:
YY_RULE_SETUP
#line 566 "scan-gram.l"
YY_OBS_GROW; yy_push_state (SC_CHARACTER);
	YY_BREAK
/* Strings. */
case 89:
YY_RULE_SETUP
#line 569 "scan-gram.l"
YY_OBS_GROW; yy_push_state (SC_STRING);
	YY_BREAK
/* Comments. */
case 90:
YY_RULE_SETUP
#line 572 "scan-gram.l"
YY_OBS_GROW; yy_push_state (SC_COMMENT);
	YY_BREAK
case 91:
YY_RULE_SETUP
#line 573 "scan-gram.l"
YY_OBS_GROW; yy_push_state (SC_LINE_COMMENT);
	YY_BREAK
/* Not comments. */
case 92:
YY_RULE_SETUP
#line 576 "scan-gram.l"
YY_OBS_GROW;
	YY_BREAK

/*---------------------------------------------------------------.
  | Scanning some code in braces (%union and actions). The initial |
  | "{" is already eaten.                                          |
  `---------------------------------------------------------------*/


case 93:
YY_RULE_SETUP
#line 587 "scan-gram.l"
YY_OBS_GROW; braces_level++;
	YY_BREAK
case 94:
YY_RULE_SETUP
#line 588 "scan-gram.l"
YY_OBS_GROW; braces_level--;
	YY_BREAK
case 95:
YY_RULE_SETUP
#line 589 "scan-gram.l"
{
    YY_OBS_GROW;
    braces_level--;
    if (braces_level < 0)
      {
	yy_pop_state ();
	YY_OBS_FINISH;
	yylval->string = last_string;
	rule_length++;
	return BRACED_CODE;
      }
  }
	YY_BREAK
case 96:
YY_RULE_SETUP
#line 602 "scan-gram.l"
{ handle_dollar (current_braced_code,
						   yytext, *yylloc); }
	YY_BREAK
case 97:
YY_RULE_SETUP
#line 604 "scan-gram.l"
{ handle_at (current_braced_code,
					       yytext, *yylloc); }
	YY_BREAK
/* `"<"{splice}"<"' tokenizes `<<%' correctly (as `<<' `%') rather
     than incorrrectly (as `<' `<%').  */
case 98:
YY_RULE_SETUP
#line 609 "scan-gram.l"
YY_OBS_GROW;
	YY_BREAK
case YY_STATE_EOF(SC_BRACED_CODE):
#line 611 "scan-gram.l"
{
    complain_at (*yylloc, _("unexpected end of file in a braced code"));
    yy_pop_state ();
    YY_OBS_FINISH;
    yylval->string = last_string;
    return BRACED_CODE;
  }
	YY_BREAK

/*--------------------------------------------------------------.
  | Scanning some prologue: from "%{" (already scanned) to "%}".  |
  `--------------------------------------------------------------*/


case 99:
YY_RULE_SETUP
#line 628 "scan-gram.l"
{
    yy_pop_state ();
    YY_OBS_FINISH;
    yylval->string = last_string;
    return PROLOGUE;
  }
	YY_BREAK
case 100:
YY_RULE_SETUP
#line 635 "scan-gram.l"
YY_OBS_GROW;
	YY_BREAK
case 101:
YY_RULE_SETUP
#line 636 "scan-gram.l"
YY_OBS_GROW;
	YY_BREAK
case YY_STATE_EOF(SC_PROLOGUE):
#line 638 "scan-gram.l"
{
    complain_at (*yylloc, _("unexpected end of file in a prologue"));
    yy_pop_state ();
    YY_OBS_FINISH;
    yylval->string = last_string;
    return PROLOGUE;
  }
	YY_BREAK

/*---------------------------------------------------------------.
  | Scanning the epilogue (everything after the second "%%", which |
  | has already been eaten).                                       |
  `---------------------------------------------------------------*/


case 102:
YY_RULE_SETUP
#line 655 "scan-gram.l"
YY_OBS_GROW;
	YY_BREAK
case YY_STATE_EOF(SC_EPILOGUE):
#line 657 "scan-gram.l"
{
    yy_pop_state ();
    YY_OBS_FINISH;
    yylval->string = last_string;
    return EPILOGUE;
  }
	YY_BREAK

case 103:
YY_RULE_SETUP
#line 666 "scan-gram.l"
YY_FATAL_ERROR( "flex scanner jammed" );
	YY_BREAK
#line 2024 "scan-gram.c"
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;

		/* Undo the effects of YY_DO_BEFORE_ACTION. */
		*yy_cp = yy_hold_char;
		YY_RESTORE_YY_MORE_OFFSET

		if ( yy_current_buffer->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
			 * 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;
			}

		/* Note that here we test for yy_c_buf_p "<=" to the position
		 * of the first EOB in the buffer, since yy_c_buf_p will
		 * already have been incremented past the NUL character
		 * (since all states make transitions on EOB to the
		 * 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] )
			{ /* This was really a NUL. */
			yy_state_type yy_next_state;

			yy_c_buf_p = yytext_ptr + yy_amount_of_matched_text;

			yy_current_state = yy_get_previous_state();

			/* Okay, we're now positioned to make the NUL
			 * transition.  We couldn't have
			 * yy_get_previous_state() go ahead and do it
			 * for us because it doesn't know how to deal
			 * with the possibility of jamming (and we don't
			 * want to build jamming into it because then it
			 * will run more slowly).
			 */

			yy_next_state = yy_try_NUL_trans( yy_current_state );

			yy_bp = yytext_ptr + YY_MORE_ADJ;

			if ( yy_next_state )
				{
				/* Consume the NUL. */
				yy_cp = ++yy_c_buf_p;
				yy_current_state = yy_next_state;
				goto yy_match;
				}

			else
				{
				yy_cp = yy_c_buf_p;
				goto yy_find_action;
				}
			}

		else switch ( yy_get_next_buffer() )
			{
			case EOB_ACT_END_OF_FILE:
				{
				yy_did_buffer_switch_on_eof = 0;

				if ( yywrap() )
					{
					/* Note: because we've taken care in
					 * yy_get_next_buffer() to have set up
					 * yytext, 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_act = YY_STATE_EOF(YY_START);
					goto do_action;
					}

				else
					{
					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_current_state = yy_get_previous_state();

				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_current_state = yy_get_previous_state();

				yy_cp = yy_c_buf_p;
				yy_bp = yytext_ptr + YY_MORE_ADJ;
				goto yy_find_action;
			}
		break;
		}

	default:
		YY_FATAL_ERROR(
			"fatal flex scanner internal error--no action found" );
	} /* end of action switch */
		} /* end of scanning one token */
	} /* end of yylex */


/* yy_get_next_buffer - try to read in a new buffer
 *
 * Returns a code representing an action:
 *	EOB_ACT_LAST_MATCH -
 *	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;
	register int number_to_move, i;
	int ret_val;

	if ( yy_c_buf_p > &yy_current_buffer->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 )
		{ /* Don't try to fill the buffer, so this is an EOF. */
		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.
			 */
			return EOB_ACT_END_OF_FILE;
			}

		else
			{
			/* We matched some text prior to the EOB, first
			 * process it.
			 */
			return EOB_ACT_LAST_MATCH;
			}
		}

	/* Try to read more data. */

	/* First move last chars to start of buffer. */
	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 )
		/* 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;

	else
		{
		int num_to_read =
			yy_current_buffer->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;

			int yy_c_buf_p_offset =
				(int) (yy_c_buf_p - b->yy_ch_buf);

			if ( b->yy_is_our_buffer )
				{
				int new_size = b->yy_buf_size * 2;

				if ( new_size <= 0 )
					b->yy_buf_size += b->yy_buf_size / 8;
				else
					b->yy_buf_size *= 2;

				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 );
				}
			else
				/* Can't grow it, we don't own it. */
				b->yy_ch_buf = 0;

			if ( ! b->yy_ch_buf )
				YY_FATAL_ERROR(
				"fatal error - scanner input buffer overflow" );

			yy_c_buf_p = &b->yy_ch_buf[yy_c_buf_p_offset];

			num_to_read = yy_current_buffer->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_current_buffer->yy_n_chars = yy_n_chars;
		}

	if ( yy_n_chars == 0 )
		{
		if ( number_to_move == YY_MORE_ADJ )
			{
			ret_val = EOB_ACT_END_OF_FILE;
			yyrestart( yyin );
			}

		else
			{
			ret_val = EOB_ACT_LAST_MATCH;
			yy_current_buffer->yy_buffer_status =
				YY_BUFFER_EOF_PENDING;
			}
		}

	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;

	yytext_ptr = &yy_current_buffer->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()
	{
	register yy_state_type yy_current_state;
	register char *yy_cp;

	yy_current_state = yy_start;

	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)] : 53);
		if ( yy_accept[yy_current_state] )
			{
			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 >= 399 )
				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
	{
	register int yy_is_jam;
	register char *yy_cp = yy_c_buf_p;

	register YY_CHAR yy_c = 53;
	if ( yy_accept[yy_current_state] )
		{
		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 >= 399 )
			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 == 398);

	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;

	/* undo effects of setting up yytext */
	*yy_cp = yy_hold_char;

	if ( yy_cp < yy_current_buffer->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 char *source =
				&yy_current_buffer->yy_ch_buf[number_to_move];

		while ( source > yy_current_buffer->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;

		if ( yy_cp < yy_current_buffer->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;
	}
#endif	/* ifndef YY_NO_UNPUT */


#ifdef __cplusplus
static int yyinput()
#else
static int input()
#endif
	{
	int c;

	*yy_c_buf_p = yy_hold_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] )
			/* This was really a NUL. */
			*yy_c_buf_p = '\0';

		else
			{ /* need more input */
			int offset = yy_c_buf_p - yytext_ptr;
			++yy_c_buf_p;

			switch ( yy_get_next_buffer() )
				{
				case EOB_ACT_LAST_MATCH:
					/* This happens because yy_g_n_b()
					 * sees that we've accumulated a
					 * token and flags that we need to
					 * try matching the token before
					 * proceeding.  But for input(),
					 * there's no matching to consider.
					 * So convert the EOB_ACT_LAST_MATCH
					 * to EOB_ACT_END_OF_FILE.
					 */

					/* Reset buffer status. */
					yyrestart( yyin );

					/* fall through */

				case EOB_ACT_END_OF_FILE:
					{
					if ( yywrap() )
						return EOF;

					if ( ! yy_did_buffer_switch_on_eof )
						YY_NEW_FILE;
#ifdef __cplusplus
					return yyinput();
#else
					return input();
#endif
					}

				case EOB_ACT_CONTINUE_SCAN:
					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;


	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 );

	yy_init_buffer( yy_current_buffer, input_file );
	yy_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 )
		return;

	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_current_buffer = new_buffer;
	yy_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
	 * 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;
	}


#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
	{
	YY_BUFFER_STATE b;

	b = (YY_BUFFER_STATE) yy_flex_alloc( sizeof( struct yy_buffer_state ) );
	if ( ! b )
		YY_FATAL_ERROR( "out of dynamic memory in yy_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 );
	if ( ! b->yy_ch_buf )
		YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );

	b->yy_is_our_buffer = 1;

	yy_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
	{
	if ( ! b )
		return;

	if ( b == yy_current_buffer )
		yy_current_buffer = (YY_BUFFER_STATE) 0;

	if ( b->yy_is_our_buffer )
		yy_flex_free( (void *) b->yy_ch_buf );

	yy_flex_free( (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


	{
	yy_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 )
		return;

	b->yy_n_chars = 0;

	/* We always need two end-of-buffer characters.  The first causes
	 * a transition to the end-of-buffer state.  The second causes
	 * a jam in that state.
	 */
	b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR;
	b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR;

	b->yy_buf_pos = &b->yy_ch_buf[0];

	b->yy_at_bol = 1;
	b->yy_buffer_status = YY_BUFFER_NEW;

	if ( b == yy_current_buffer )
		yy_load_buffer_state();
	}


#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;

	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 ) );
	if ( ! b )
		YY_FATAL_ERROR( "out of dynamic memory in yy_scan_buffer()" );

	b->yy_buf_size = size - 2;	/* "- 2" to take care of EOB's */
	b->yy_buf_pos = b->yy_ch_buf = base;
	b->yy_is_our_buffer = 0;
	b->yy_input_file = 0;
	b->yy_n_chars = b->yy_buf_size;
	b->yy_is_interactive = 0;
	b->yy_at_bol = 1;
	b->yy_fill_buffer = 0;
	b->yy_buffer_status = YY_BUFFER_NEW;

	yy_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


#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
	{
	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 );
	if ( ! buf )
		YY_FATAL_ERROR( "out of dynamic memory in yy_scan_bytes()" );

	for ( i = 0; i < len; ++i )
		buf[i] = bytes[i];

	buf[len] = buf[len+1] = YY_END_OF_BUFFER_CHAR;

	b = yy_scan_buffer( buf, n );
	if ( ! b )
		YY_FATAL_ERROR( "bad buffer in yy_scan_bytes()" );

	/* It's okay to grow etc. this buffer, and we should throw it
	 * away when we're done.
	 */
	b->yy_is_our_buffer = 1;

	return b;
	}
#endif


#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;

		yy_start_stack_depth += YY_START_STACK_INCR;
		new_size = yy_start_stack_depth * sizeof( int );

		if ( ! yy_start_stack )
			yy_start_stack = (int *) yy_flex_alloc( new_size );

		else
			yy_start_stack = (int *) yy_flex_realloc(
					(void *) yy_start_stack, new_size );

		if ( ! yy_start_stack )
			YY_FATAL_ERROR(
			"out of memory expanding start-condition stack" );
		}

	yy_start_stack[yy_start_stack_ptr++] = YY_START;

	BEGIN(new_state);
	}
#endif


#ifndef YY_NO_POP_STATE
static void yy_pop_state()
	{
	if ( --yy_start_stack_ptr < 0 )
		YY_FATAL_ERROR( "start-condition stack underflow" );

	BEGIN(yy_start_stack[yy_start_stack_ptr]);
	}
#endif


#ifndef YY_NO_TOP_STATE
static int yy_top_state()
	{
	return yy_start_stack[yy_start_stack_ptr - 1];
	}
#endif

#ifndef YY_EXIT_FAILURE
#define YY_EXIT_FAILURE 2
#endif

#ifdef YY_USE_PROTOS
static void yy_fatal_error( yyconst char msg[] )
#else
static void yy_fatal_error( msg )
char msg[];
#endif
	{
	(void) fprintf( stderr, "%s\n", msg );
	exit( YY_EXIT_FAILURE );
	}



/* Redefine yyless() so it works in section 3 code. */

#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 )


/* 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
	{
	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
	{
	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
	{
	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
	{
	/* 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
	 * because both ANSI C and C++ allow castless assignment from
	 * any pointer type to void*, and deal with argument conversions
	 * 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 );
	}

#if YY_MAIN
int main()
	{
	yylex();
	return 0;
	}
#endif
#line 666 "scan-gram.l"


/*------------------------------------------------------------------.
| TEXT is pointing to a wannabee semantic value (i.e., a `$').      |
|                                                                   |
| Possible inputs: $[<TYPENAME>]($|integer)                         |
|                                                                   |
| Output to the STRING_OBSTACK a reference to this semantic value.  |
`------------------------------------------------------------------*/

static inline void
handle_action_dollar (char *text, location_t location)
{
  const char *type_name = NULL;
  char *cp = text + 1;

  /* Get the type name if explicit. */
  if (*cp == '<')
    {
      type_name = ++cp;
      while (*cp != '>')
	++cp;
      *cp = '\0';
      ++cp;
    }

  if (*cp == '$')
    {
      if (!type_name)
	type_name = symbol_list_n_type_name_get (current_rule, location, 0);
      if (!type_name && typed)
	complain_at (location, _("$$ of `%s' has no declared type"),
		     current_rule->sym->tag);
      if (!type_name)
	type_name = "";
      obstack_fgrow1 (&string_obstack,
		      "]b4_lhs_value([%s])[", type_name);
    }
  else
    {
      long num;
      errno = 0;
      num = strtol (cp, 0, 10);

      if (INT_MIN <= num && num <= rule_length && ! errno)
	{
	  int n = num;
	  if (!type_name && n > 0)
	    type_name = symbol_list_n_type_name_get (current_rule, location,
						     n);
	  if (!type_name && typed)
	    complain_at (location, _("$%d of `%s' has no declared type"),
		      n, current_rule->sym->tag);
	  if (!type_name)
	    type_name = "";
	  obstack_fgrow3 (&string_obstack,
			  "]b4_rhs_value([%d], [%d], [%s])[",
			  rule_length, n, type_name);
	}
      else
	complain_at (location, _("invalid value: %s"), quote (text));
    }
}


/*---------------------------------------------------------------.
| TEXT is expected to be $$ in some code associated to a symbol: |
| destructor or printer.                                         |
`---------------------------------------------------------------*/

static inline void
handle_symbol_code_dollar (char *text, location_t location)
{
  char *cp = text + 1;
  if (*cp == '$')
    obstack_sgrow (&string_obstack, "]b4_dollar_dollar[");
  else
    complain_at (location, _("invalid value: %s"), quote (text));
}


/*-----------------------------------------------------------------.
| Dispatch onto handle_action_dollar, or handle_destructor_dollar, |
| depending upon CODE_KIND.                                        |
`-----------------------------------------------------------------*/

static void
handle_dollar (braced_code_t braced_code_kind,
	       char *text, location_t location)
{
  switch (braced_code_kind)
    {
    case action_braced_code:
      handle_action_dollar (text, location);
      break;

    case destructor_braced_code:
    case printer_braced_code:
      handle_symbol_code_dollar (text, location);
      break;
    }
}


/*------------------------------------------------------.
| TEXT is a location token (i.e., a `@...').  Output to |
| STRING_OBSTACK a reference to this location.          |
`------------------------------------------------------*/

static inline void
handle_action_at (char *text, location_t location)
{
  char *cp = text + 1;
  locations_flag = 1;

  if (*cp == '$')
    {
      obstack_sgrow (&string_obstack, "]b4_lhs_location[");
    }
  else
    {
      long num;
      errno = 0;
      num = strtol (cp, 0, 10);

      if (INT_MIN <= num && num <= rule_length && ! errno)
	{
	  int n = num;
	  obstack_fgrow2 (&string_obstack, "]b4_rhs_location([%d], [%d])[",
			  rule_length, n);
	}
      else
	complain_at (location, _("invalid value: %s"), quote (text));
    }
}


/*---------------------------------------------------------------.
| TEXT is expected to be @$ in some code associated to a symbol: |
| destructor or printer.                                         |
`---------------------------------------------------------------*/

static inline void
handle_symbol_code_at (char *text, location_t location)
{
  char *cp = text + 1;
  if (*cp == '$')
    obstack_sgrow (&string_obstack, "]b4_at_dollar[");
  else
    complain_at (location, _("invalid value: %s"), quote (text));
}


/*-------------------------------------------------------------------.
| Dispatch onto handle_action_at, or handle_destructor_at, depending |
| upon CODE_KIND.                                                    |
`-------------------------------------------------------------------*/

static void
handle_at (braced_code_t braced_code_kind,
	   char *text, location_t location)
{
  switch (braced_code_kind)
    {
    case action_braced_code:
      handle_action_at (text, location);
      break;

    case destructor_braced_code:
    case printer_braced_code:
      handle_symbol_code_at (text, location);
      break;
    }
}


/*------------------------------------------------------------------.
| Convert universal character name UCN to a single-byte character,  |
| and return that character.  Return -1 if UCN does not correspond  |
| to a single-byte character.					    |
`------------------------------------------------------------------*/

static int
convert_ucn_to_byte (char const *ucn)
{
  unsigned long code = strtoul (ucn + 2, 0, 16);

  /* FIXME: Currently we assume Unicode-compatible unibyte characters
     on ASCII hosts (i.e., Latin-1 on hosts with 8-bit bytes).  On
     non-ASCII hosts we support only the portable C character set.
     These limitations should be removed once we add support for
     multibyte characters.  */

  if (UCHAR_MAX < code)
    return -1;

#if ! ('$' == 0x24 && '@' == 0x40 && '`' == 0x60 && '~' == 0x7e)
  {
    /* A non-ASCII host.  Use CODE to index into a table of the C
       basic execution character set, which is guaranteed to exist on
       all Standard C platforms.  This table also includes '$', '@',
       and '`', which not in the basic execution character set but
       which are unibyte characters on all the platforms that we know
       about.  */
    static signed char const table[] =
      {
	'\0',   -1,   -1,   -1,   -1,   -1,   -1, '\a',
	'\b', '\t', '\n', '\v', '\f', '\r',   -1,   -1,
	  -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,
	  -1,   -1,   -1,   -1,   -1,   -1,   -1,   -1,
	 ' ',  '!',  '"',  '#',  '$',  '%',  '&', '\'',
	 '(',  ')',  '*',  '+',  ',',  '-',  '.',  '/',
	 '0',  '1',  '2',  '3',  '4',  '5',  '6',  '7',
	 '8',  '9',  ':',  ';',  '<',  '=',  '>',  '?',
	 '@',  'A',  'B',  'C',  'D',  'E',  'F',  'G',
	 'H',  'I',  'J',  'K',  'L',  'M',  'N',  'O',
	 'P',  'Q',  'R',  'S',  'T',  'U',  'V',  'W',
	 'X',  'Y',  'Z',  '[', '\\',  ']',  '^',  '_',
	 '`',  'a',  'b',  'c',  'd',  'e',  'f',  'g',
	 'h',  'i',  'j',  'k',  'l',  'm',  'n',  'o',
	 'p',  'q',  'r',  's',  't',  'u',  'v',  'w',
	 'x',  'y',  'z',  '{',  '|',  '}',  '~'
      };

    code = code < sizeof table ? table[code] : -1;
  }
#endif

  return code;
}


/*-------------------------.
| Initialize the scanner.  |
`-------------------------*/

void
scanner_initialize (void)
{
  obstack_init (&string_obstack);
}


/*-----------------------------------------------.
| Free all the memory allocated to the scanner.  |
`-----------------------------------------------*/

void
scanner_free (void)
{
  obstack_free (&string_obstack, 0);
  /* Reclaim Flex's buffers.  */
  yy_delete_buffer (YY_CURRENT_BUFFER);
}