Add native Windows binary for bison.

bison/src/bison/2.4.1/bison-2.4.1-src/src/scan-gram.c

+#line 2 "scan-gram.c"
+
+#line 4 "scan-gram.c"
+
+#define  YY_INT_ALIGNED short int
+
+/* A lexical scanner generated by flex */
+
+/* %not-for-header */
+
+/* %if-c-only */
+/* %if-not-reentrant */
+#define yy_create_buffer gram__create_buffer
+#define yy_delete_buffer gram__delete_buffer
+#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 yylineno gram_lineno
+#define yyout gram_out
+#define yyrestart gram_restart
+#define yytext gram_text
+#define yywrap gram_wrap
+#define yyalloc gram_alloc
+#define yyrealloc gram_realloc
+#define yyfree gram_free
+
+/* %endif */
+/* %endif */
+/* %ok-for-header */
+
+#define FLEX_SCANNER
+#define YY_FLEX_MAJOR_VERSION 2
+#define YY_FLEX_MINOR_VERSION 5
+#define YY_FLEX_SUBMINOR_VERSION 35
+#if YY_FLEX_SUBMINOR_VERSION > 0
+#define FLEX_BETA
+#endif
+
+/* %if-c++-only */
+/* %endif */
+
+/* %if-c-only */
+    
+/* %endif */
+
+/* %if-c-only */
+
+/* %endif */
+
+/* First, we deal with  platform-specific or compiler-specific issues. */
+
+/* begin standard C headers. */
+/* %if-c-only */
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <stdlib.h>
+/* %endif */
+
+/* %if-tables-serialization */
+/* %endif */
+/* end standard C headers. */
+
+/* %if-c-or-c++ */
+/* flex integer type definitions */
+
+#ifndef FLEXINT_H
+#define FLEXINT_H
+
+/* C99 systems have <inttypes.h>. Non-C99 systems may or may not. */
+
+#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
+
+/* C99 says to define __STDC_LIMIT_MACROS before including stdint.h,
+ * if you want the limit (max/min) macros for int types. 
+ */
+#ifndef __STDC_LIMIT_MACROS
+#define __STDC_LIMIT_MACROS 1
+#endif
+
+#include <inttypes.h>
+typedef int8_t flex_int8_t;
+typedef uint8_t flex_uint8_t;
+typedef int16_t flex_int16_t;
+typedef uint16_t flex_uint16_t;
+typedef int32_t flex_int32_t;
+typedef uint32_t flex_uint32_t;
+#else
+typedef signed char flex_int8_t;
+typedef short int flex_int16_t;
+typedef int flex_int32_t;
+typedef unsigned char flex_uint8_t; 
+typedef unsigned short int flex_uint16_t;
+typedef unsigned int flex_uint32_t;
+#endif /* ! C99 */
+
+/* Limits of integral types. */
+#ifndef INT8_MIN
+#define INT8_MIN               (-128)
+#endif
+#ifndef INT16_MIN
+#define INT16_MIN              (-32767-1)
+#endif
+#ifndef INT32_MIN
+#define INT32_MIN              (-2147483647-1)
+#endif
+#ifndef INT8_MAX
+#define INT8_MAX               (127)
+#endif
+#ifndef INT16_MAX
+#define INT16_MAX              (32767)
+#endif
+#ifndef INT32_MAX
+#define INT32_MAX              (2147483647)
+#endif
+#ifndef UINT8_MAX
+#define UINT8_MAX              (255U)
+#endif
+#ifndef UINT16_MAX
+#define UINT16_MAX             (65535U)
+#endif
+#ifndef UINT32_MAX
+#define UINT32_MAX             (4294967295U)
+#endif
+
+#endif /* ! FLEXINT_H */
+
+/* %endif */
+
+/* %if-c++-only */
+/* %endif */
+
+#ifdef __cplusplus
+
+/* The "const" storage-class-modifier is valid. */
+#define YY_USE_CONST
+
+#else   /* ! __cplusplus */
+
+/* C99 requires __STDC__ to be defined as 1. */
+#if defined (__STDC__)
+
+#define YY_USE_CONST
+
+#endif  /* defined (__STDC__) */
+#endif  /* ! __cplusplus */
+
+#ifdef YY_USE_CONST
+#define yyconst const
+#else
+#define yyconst
+#endif
+
+/* %not-for-header */
+
+/* Returned upon end-of-file. */
+#define YY_NULL 0
+/* %ok-for-header */
+
+/* %not-for-header */
+
+/* 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)
+/* %ok-for-header */
+
+/* %if-reentrant */
+/* %endif */
+
+/* %if-not-reentrant */
+
+/* %endif */
+
+/* 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 gram_restart(gram_in  )
+
+#define YY_END_OF_BUFFER_CHAR 0
+
+/* Size of default input buffer. */
+#ifndef YY_BUF_SIZE
+#define YY_BUF_SIZE 16384
+#endif
+
+/* The state buf must be large enough to hold one state per character in the main buffer.
+ */
+#define YY_STATE_BUF_SIZE   ((YY_BUF_SIZE + 2) * sizeof(yy_state_type))
+
+#ifndef YY_TYPEDEF_YY_BUFFER_STATE
+#define YY_TYPEDEF_YY_BUFFER_STATE
+typedef struct yy_buffer_state *YY_BUFFER_STATE;
+#endif
+
+/* %if-not-reentrant */
+extern int gram_leng;
+/* %endif */
+
+/* %if-c-only */
+/* %if-not-reentrant */
+extern FILE *gram_in, *gram_out;
+/* %endif */
+/* %endif */
+
+#define EOB_ACT_CONTINUE_SCAN 0
+#define EOB_ACT_END_OF_FILE 1
+#define EOB_ACT_LAST_MATCH 2
+
+    #define YY_LESS_LINENO(n)
+    
+/* Return all but the first "n" matched characters back to the input stream. */
+#define yyless(n) \
+        do \
+                { \
+                /* Undo effects of setting up gram_text. */ \
+        int yyless_macro_arg = (n); \
+        YY_LESS_LINENO(yyless_macro_arg);\
+                *yy_cp = (yy_hold_char); \
+                YY_RESTORE_YY_MORE_OFFSET \
+                (yy_c_buf_p) = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \
+                YY_DO_BEFORE_ACTION; /* set up gram_text again */ \
+                } \
+        while ( 0 )
+
+#define unput(c) yyunput( c, (yytext_ptr)  )
+
+#ifndef YY_TYPEDEF_YY_SIZE_T
+#define YY_TYPEDEF_YY_SIZE_T
+typedef size_t yy_size_t;
+#endif
+
+#ifndef YY_STRUCT_YY_BUFFER_STATE
+#define YY_STRUCT_YY_BUFFER_STATE
+struct yy_buffer_state
+        {
+/* %if-c-only */
+        FILE *yy_input_file;
+/* %endif */
+
+/* %if-c++-only */
+/* %endif */
+
+        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;
+
+    int yy_bs_lineno; /**< The line count. */
+    int yy_bs_column; /**< The column count. */
+    
+        /* Whether to try to fill the input buffer when we reach the
+         * end of it.
+         */
+        int yy_fill_buffer;
+
+        int yy_buffer_status;
+
+#define YY_BUFFER_NEW 0
+#define YY_BUFFER_NORMAL 1
+        /* When an EOF's been seen but there's still some text to process
+         * 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 gram_restart()), so that the user can continue scanning by
+         * just pointing gram_in at a new input file.
+         */
+#define YY_BUFFER_EOF_PENDING 2
+
+        };
+#endif /* !YY_STRUCT_YY_BUFFER_STATE */
+
+/* %if-c-only Standard (non-C++) definition */
+/* %not-for-header */
+
+/* %if-not-reentrant */
+
+/* Stack of input buffers. */
+static size_t yy_buffer_stack_top = 0; /**< index of top of stack. */
+static size_t yy_buffer_stack_max = 0; /**< capacity of stack. */
+static YY_BUFFER_STATE * yy_buffer_stack = 0; /**< Stack as an array. */
+/* %endif */
+/* %ok-for-header */
+
+/* %endif */
+
+/* We provide macros for accessing buffer states in case in the
+ * future we want to put the buffer states in a more general
+ * "scanner state".
+ *
+ * Returns the top of the stack, or NULL.
+ */
+#define YY_CURRENT_BUFFER ( (yy_buffer_stack) \
+                          ? (yy_buffer_stack)[(yy_buffer_stack_top)] \
+                          : NULL)
+
+/* Same as previous macro, but useful when we know that the buffer stack is not
+ * NULL or when we need an lvalue. For internal use only.
+ */
+#define YY_CURRENT_BUFFER_LVALUE (yy_buffer_stack)[(yy_buffer_stack_top)]
+
+/* %if-c-only Standard (non-C++) definition */
+
+/* %if-not-reentrant */
+/* %not-for-header */
+
+/* yy_hold_char holds the character lost when gram_text is formed. */
+static char yy_hold_char;
+static int yy_n_chars;          /* number of characters read into yy_ch_buf */
+int gram_leng;
+
+/* Points to current character in buffer. */
+static char *yy_c_buf_p = (char *) 0;
+static int yy_init = 0;         /* whether we need to initialize */
+static int yy_start = 0;        /* start state number */
+
+/* Flag which is used to allow gram_wrap()'s to do buffer switches
+ * instead of setting up a fresh gram_in.  A bit of a hack ...
+ */
+static int yy_did_buffer_switch_on_eof;
+/* %ok-for-header */
+
+/* %endif */
+
+void gram_restart (FILE *input_file  );
+void gram__switch_to_buffer (YY_BUFFER_STATE new_buffer  );
+YY_BUFFER_STATE gram__create_buffer (FILE *file,int size  );
+void gram__delete_buffer (YY_BUFFER_STATE b  );
+void gram__flush_buffer (YY_BUFFER_STATE b  );
+void gram_push_buffer_state (YY_BUFFER_STATE new_buffer  );
+void gram_pop_buffer_state (void );
+
+static void gram_ensure_buffer_stack (void );
+static void gram__load_buffer_state (void );
+static void gram__init_buffer (YY_BUFFER_STATE b,FILE *file  );
+
+#define YY_FLUSH_BUFFER gram__flush_buffer(YY_CURRENT_BUFFER )
+
+YY_BUFFER_STATE gram__scan_buffer (char *base,yy_size_t size  );
+YY_BUFFER_STATE gram__scan_string (yyconst char *yy_str  );
+YY_BUFFER_STATE gram__scan_bytes (yyconst char *bytes,int len  );
+
+/* %endif */
+
+void *gram_alloc (yy_size_t  );
+void *gram_realloc (void *,yy_size_t  );
+void gram_free (void *  );
+
+#define yy_new_buffer gram__create_buffer
+
+#define yy_set_interactive(is_interactive) \
+        { \
+        if ( ! YY_CURRENT_BUFFER ){ \
+        gram_ensure_buffer_stack (); \
+                YY_CURRENT_BUFFER_LVALUE =    \
+            gram__create_buffer(gram_in,YY_BUF_SIZE ); \
+        } \
+        YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \
+        }
+
+#define yy_set_bol(at_bol) \
+        { \
+        if ( ! YY_CURRENT_BUFFER ){\
+        gram_ensure_buffer_stack (); \
+                YY_CURRENT_BUFFER_LVALUE =    \
+            gram__create_buffer(gram_in,YY_BUF_SIZE ); \
+        } \
+        YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \
+        }
+
+#define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol)
+
+/* %% [1.0] gram_text/gram_in/gram_out/yy_state_type/gram_lineno etc. def's & init go here */
+/* Begin user sect3 */
+
+#define gram_wrap(n) 1
+#define YY_SKIP_YYWRAP
+
+#define FLEX_DEBUG
+
+typedef unsigned char YY_CHAR;
+
+FILE *gram_in = (FILE *) 0, *gram_out = (FILE *) 0;
+
+typedef int yy_state_type;
+
+extern int gram_lineno;
+
+int gram_lineno = 1;
+
+extern char *gram_text;
+#define yytext_ptr gram_text
+
+/* %if-c-only Standard (non-C++) definition */
+
+static yy_state_type yy_get_previous_state (void );
+static yy_state_type yy_try_NUL_trans (yy_state_type current_state  );
+static int yy_get_next_buffer (void );
+static void yy_fatal_error (yyconst char msg[]  );
+
+/* %endif */
+
+/* Done after the current pattern has been matched and before the
+ * corresponding action - sets up gram_text.
+ */
+#define YY_DO_BEFORE_ACTION \
+        (yytext_ptr) = yy_bp; \
+/* %% [2.0] code to fiddle gram_text and gram_leng for yymore() goes here \ */\
+        gram_leng = (size_t) (yy_cp - yy_bp); \
+        (yy_hold_char) = *yy_cp; \
+        *yy_cp = '\0'; \
+/* %% [3.0] code to copy yytext_ptr to gram_text[] goes here, if %array \ */\
+        (yy_c_buf_p) = yy_cp;
+
+/* %% [4.0] data tables for the DFA and the user's section 1 definitions go here */
+#define YY_NUM_RULES 102
+#define YY_END_OF_BUFFER 103
+/* This struct is not used in this scanner,
+   but its presence is necessary. */
+struct yy_trans_info
+        {
+        flex_int32_t yy_verify;
+        flex_int32_t yy_nxt;
+        };
+static yyconst flex_int16_t yy_accept[453] =
+    {   0,
+        0,    0,    0,    0,    0,    0,    0,    0,    0,    0,
+        0,    0,    0,    0,    0,    0,    0,    0,   70,   70,
+       86,   86,   86,   86,  103,   63,    2,    2,   58,   63,
+       57,    1,   54,   63,   55,   55,   51,   63,   49,   60,
+       50,   63,   67,   67,  100,   71,   71,  100,   73,   72,
+       72,   65,    2,    1,   65,   64,   65,  101,   92,  100,
+       91,  100,  100,  100,   95,   97,  100,   69,  100,   90,
+       89,  100,   88,   87,   62,   48,   48,   48,   48,   48,
+       48,   48,   48,   48,   48,   48,   48,   48,   48,   48,
+       48,   48,   48,   48,   59,   54,    4,    3,   55,    0,
+
+        0,    0,   53,    0,   66,   85,   83,   74,   85,   76,
+       77,   78,   79,   80,   81,   85,   82,   85,   99,   93,
+       94,    0,   96,    0,   95,   98,    0,   68,    0,    0,
+       70,   86,   86,   86,   86,   48,   48,   48,   48,   48,
+       48,   48,   48,   48,   48,   48,   48,   48,   48,   48,
+       48,   48,   48,   48,   48,   48,   48,   48,   48,   48,
+       48,   48,   48,   48,   48,   48,    3,   56,   61,   52,
+        0,   74,    0,    0,   75,    0,    0,    0,    0,    0,
+        0,    0,    0,    0,    0,    0,    0,    0,   48,   48,
+       48,   48,   48,   48,   48,   48,   48,   48,   48,   48,
+
+       48,   48,   48,   48,   48,   48,   48,   48,   48,   48,
+       48,   48,   48,   48,   48,   48,   48,   48,   48,   48,
+       48,   48,   48,   48,    0,   74,    0,    0,   48,    7,
+       48,   48,   48,   48,   48,   48,   48,   48,   48,   48,
+       48,   48,   22,   48,   48,   48,   48,   48,   48,   48,
+       48,   48,   48,   48,   34,   48,   48,   48,   48,   48,
+       48,   41,   48,   44,   48,   48,   47,    0,    0,    0,
+       48,    8,   48,   48,   48,   13,   48,   48,   48,   48,
+       48,   48,   48,   48,   48,   25,   48,   48,   48,   48,
+       48,   31,   48,   48,   48,   48,   48,   38,   48,   40,
+
+       42,   45,   48,    0,    0,   84,    6,   48,   10,   48,
+       48,   15,   48,   48,   48,   48,   48,   48,   48,   48,
+       48,   48,   48,   48,   32,   48,   48,   48,   48,   48,
+       48,   48,    0,   48,   11,   48,   48,   48,   48,   48,
+       48,   48,   48,   48,   48,   48,   48,   48,   48,   48,
+       48,   35,   48,   37,   48,   48,   46,    0,   48,   48,
+       48,   48,   48,   48,   48,   48,   21,   48,   48,   48,
+       48,   28,   29,   48,   48,   48,   39,   48,    0,   48,
+       48,   48,   16,   48,   48,   48,   48,   23,   24,   48,
+       48,   48,   48,   48,   48,    0,    0,   48,   12,   48,
+
+       48,   48,   20,   48,   48,   48,   48,   48,   48,   48,
+        5,   48,   48,   17,   48,   48,   26,   48,   48,   33,
+       36,   43,    9,   48,   48,   48,   48,   48,   14,   48,
+       48,   48,   48,   48,   19,   48,   48,   48,   27,   48,
+       48,   48,   48,   48,   18,   48,   48,   48,   48,   48,
+       30,    0
+    } ;
+
+static yyconst flex_int32_t 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,    4,    1,    5,    6,    1,    7,    1,    8,    1,
+        1,    9,    1,   10,   11,   12,   13,   14,   15,   15,
+       15,   15,   15,   15,   15,   16,   16,   17,   18,   19,
+       20,   21,   22,    1,   23,   23,   23,   23,   23,   23,
+       12,   12,   12,   12,   12,   12,   12,   12,   12,   12,
+       12,   12,   12,   12,   24,   12,   12,   25,   12,   12,
+       26,   27,   26,    1,   28,    1,   29,   30,   31,   32,
+
+       33,   34,   35,   36,   37,   12,   38,   39,   40,   41,
+       42,   43,   44,   45,   46,   47,   48,   49,   12,   50,
+       51,   12,   52,   53,   54,    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 flex_int32_t yy_meta[56] =
+    {   0,
+        1,    1,    2,    1,    1,    1,    1,    1,    1,    1,
+        3,    4,    1,    5,    5,    5,    1,    1,    1,    1,
+        1,    1,    5,    4,    4,    6,    1,    4,    5,    5,
+        5,    5,    5,    5,    4,    4,    4,    4,    4,    4,
+        4,    4,    4,    4,    4,    4,    4,    4,    4,    4,
+        4,    1,    1,    1,    7
+    } ;
+
+static yyconst flex_int16_t yy_base[473] =
+    {   0,
+        0,  654,  650,  649,   53,   54,   57,   58,   60,   65,
+       83,   90,   97,  112,  119,  125,   80,   98,   84,   91,
+      118,  131,  132,  134,  657,  661,  661,  661,  661,  160,
+      661,  661,    0,   63,  132,  138,  661,  105,  661,  661,
+      661,  617,  661,  642,  661,  661,  661,  208,  661,  661,
+      661,  661,  661,  661,  130,  661,  615,  661,  661,  599,
+      661,  147,  123,  207,  661,  661,   79,  661,  166,  661,
+      661,  216,  661,  661,  661,    0,  615,  609,  122,   29,
+      613,  610,  607,  144,  614,  133,  598,  188,  188,  140,
+      208,  604,  611,  614,  661,    0,  661,    0,  213,    0,
+
+      621,  620,  661,  603,  661,  661,  661,  225,    0,  661,
+      661,  661,  661,  661,  661,    0,  661,    0,  661,  661,
+      661,  242,  661,  258,  661,  661,  261,  661,  264,  267,
+      612,  661,  270,  611,  273,    0,  596,  604,  248,  590,
+      589,  590,  240,  587,  594,  589,  129,  598,  583,  587,
+      269,  593,  578,  579,  214,  578,  578,  586,  587,  590,
+      573,  579,  573,  578,  569,  582,    0,    0,  661,  661,
+      571,  269,    0,    0,    0,  283,  279,  296,  227,  299,
+      286,  305,  268,  312,  315,  318,  321,  301,  582,  577,
+      561,  297,  561,  574,  564,  572,  571,  570,  591,  554,
+
+      565,  552,  587,  568,  561,  562,  192,  298,  549,  550,
+      546,  560,  549,  556,  540,  551,  547,  540,  544,  550,
+      549,  539,  550,  548,  545,  661,    0,    0,  532,    0,
+      541,  527,  533,  528,  541,  526,  539,  558,  536,  524,
+      529,  517,    0,  521,  516,  529,  301,  528,  523,  513,
+      525,  517,  508,  522,    0,  507,  320,  516,  505,  518,
+      503,    0,  508,    0,  507,  505,    0,  542,    0,    0,
+      494,    0,  505,  510,  494,    0,  321,  494,  497,  322,
+      510,  509,  508,  507,  498,    0,  491,  499,  491,  485,
+      483,    0,  482,  517,  494,  483,  480,    0,  477,    0,
+
+      324,    0,  477,  322,    0,  661,    0,  475,  475,  489,
+      470,  328,  473,  475,  471,  476,  479,  468,  470,  466,
+      481,  476,  466,  474,    0,  463,  460,  475,  470,  460,
+      454,  467,  339,  329,    0,  452,  465,  452,  463,  447,
+      448,  482,  459,  462,  449,  456,  440,  441,  455,  440,
+      455,    0,  438,    0,  441,  452,    0,  475,  436,  436,
+      432,  431,  441,  427,  440,  443,    0,  431,  424,  435,
+      429,    0,    0,  427,  421,  419,    0,  434,  458,  417,
+      416,  430,    0,  422,  415,  412,  425,    0,    0,  418,
+      407,  416,  423,  418,  411,  444,  286,  415,    0,  405,
+
+      396,  397,    0,  397,  393,  330,  401,  401,  395,  406,
+      661,  407,  391,    0,  389,  398,    0,  391,  396,    0,
+        0,    0,    0,  399,  331,  389,  385,  383,    0,  394,
+      386,  393,  378,  387,    0,  392,  385,  382,    0,  389,
+      381,  396,  355,  341,    0,  322,  302,  300,  312,  299,
+        0,  661,  359,  366,  373,  377,  382,  388,  395,  400,
+      405,  306,  291,  247,  210,  176,  171,  166,  136,  124,
+       94,  412
+    } ;
+
+static yyconst flex_int16_t yy_def[473] =
+    {   0,
+      452,    1,  453,  453,  454,  454,  454,  454,  455,  455,
+      454,  454,  454,  454,  454,  454,  454,  454,  454,  454,
+      454,  454,  454,  454,  452,  452,  452,  452,  452,  452,
+      452,  452,  456,  452,  452,  452,  452,  457,  452,  452,
+      452,  452,  452,  452,  452,  452,  452,  458,  452,  452,
+      452,  452,  452,  452,  452,  452,  452,  452,  452,  452,
+      452,  452,  452,  452,  452,  452,  452,  452,  452,  452,
+      452,  459,  452,  452,  452,  460,  460,  460,  460,  460,
+      460,  460,  460,  460,  460,  460,  460,  460,  460,  460,
+      460,  460,  460,  460,  452,  456,  452,  461,  452,  462,
+
+      457,  457,  452,  452,  452,  452,  452,  452,  463,  452,
+      452,  452,  452,  452,  452,  464,  452,  465,  452,  452,
+      452,  452,  452,  452,  452,  452,  452,  452,  452,  452,
+      452,  452,  452,  452,  452,  460,  460,  460,  460,  460,
+      460,  460,  460,  460,  460,  460,  460,  460,  460,  460,
+      460,  460,  460,  460,  460,  460,  460,  460,  460,  460,
+      460,  460,  460,  460,  460,  460,  461,  462,  452,  452,
+      452,  452,  466,  467,  465,  452,  452,  452,  452,  452,
+      452,  452,  452,  452,  452,  452,  452,  459,  460,  460,
+      460,  460,  460,  460,  460,  460,  460,  460,  460,  460,
+
+      460,  460,  460,  460,  460,  460,  460,  460,  460,  460,
+      460,  460,  460,  460,  460,  460,  460,  460,  460,  460,
+      460,  460,  460,  460,  452,  452,  468,  469,  460,  460,
+      460,  460,  460,  460,  460,  460,  460,  460,  460,  460,
+      460,  460,  460,  460,  460,  460,  460,  460,  460,  460,
+      460,  460,  460,  460,  460,  460,  460,  460,  460,  460,
+      460,  460,  460,  460,  460,  460,  460,  452,  470,  471,
+      460,  460,  460,  460,  460,  460,  460,  460,  460,  460,
+      460,  460,  460,  460,  460,  460,  460,  460,  460,  460,
+      460,  460,  460,  460,  460,  460,  460,  460,  460,  460,
+
+      460,  460,  460,  452,  464,  452,  460,  460,  460,  460,
+      460,  460,  460,  460,  460,  460,  460,  460,  460,  460,
+      460,  460,  460,  460,  460,  460,  460,  460,  460,  460,
+      460,  460,  452,  460,  460,  460,  460,  460,  460,  460,
+      460,  460,  460,  460,  460,  460,  460,  460,  460,  460,
+      460,  460,  460,  460,  460,  460,  460,  452,  460,  460,
+      460,  460,  460,  460,  460,  460,  460,  460,  460,  460,
+      460,  460,  460,  460,  460,  460,  460,  460,  472,  460,
+      460,  460,  460,  460,  460,  460,  460,  460,  460,  460,
+      460,  460,  460,  460,  460,  472,  472,  460,  460,  460,
+
+      460,  460,  460,  460,  460,  460,  460,  460,  460,  460,
+      452,  460,  460,  460,  460,  460,  460,  460,  460,  460,
+      460,  460,  460,  460,  460,  460,  460,  460,  460,  460,
+      460,  460,  460,  460,  460,  460,  460,  460,  460,  460,
+      460,  460,  460,  460,  460,  460,  460,  460,  460,  460,
+      460,    0,  452,  452,  452,  452,  452,  452,  452,  452,
+      452,  452,  452,  452,  452,  452,  452,  452,  452,  452,
+      452,  452
+    } ;
+
+static yyconst flex_int16_t yy_nxt[717] =
+    {   0,
+       26,   27,   28,   27,   29,   26,   30,   31,   26,   32,
+       26,   33,   34,   35,   36,   36,   26,   37,   38,   39,
+       26,   26,   33,   33,   33,   26,   26,   33,   33,   33,
+       33,   33,   33,   33,   33,   33,   33,   33,   33,   33,
+       33,   33,   33,   33,   33,   33,   33,   33,   33,   33,
+       33,   40,   41,   26,   26,   46,   46,   47,   47,   50,
+       50,   53,   28,   53,   51,   51,   53,   28,   53,   54,
+       57,   97,   55,  141,   54,   98,   56,   55,  142,   48,
+       48,   56,   58,   48,   48,   58,   68,   59,   67,   60,
+       61,  128,   58,   68,   59,   62,   60,   61,  306,   58,
+
+       58,   59,   62,   63,   61,  129,   67,   49,   49,   62,
+       69,   49,   49,  102,   58,   64,   59,   69,   63,   61,
+       70,   58,   71,   59,   62,  103,   61,   58,  305,   59,
+       64,   62,   61,   70,   73,   71,   73,   62,   97,   74,
+      270,   74,   98,  123,   72,   99,   99,   99,   65,  124,
+       66,   99,   99,   99,  139,  120,  100,   72,   72,  121,
+       72,  150,  202,   65,  140,   66,   75,  130,  131,  130,
+      269,   76,  146,  122,  151,  228,  147,  159,  203,  152,
+      227,  100,   76,   76,   76,  148,  160,   76,   76,   77,
+       78,   79,   80,   81,   82,   76,   83,   76,   84,   85,
+
+       86,   87,   88,   76,   89,   90,   91,   92,   93,   76,
+       94,   95,  107,  125,  175,  107,  154,  133,  134,  133,
+      157,  108,  108,  248,  158,  126,   99,   99,   99,  107,
+      249,  109,  155,  127,  107,  156,  110,  111,  172,  172,
+      161,  112,  135,  176,  177,  176,  212,  123,  113,  162,
+      213,  174,  114,  124,  115,  116,  117,  118,  163,  178,
+      179,  178,  180,  181,  180,  182,  183,  182,  130,  131,
+      130,  185,  134,  185,  187,  188,  187,  191,  197,  207,
+      128,  192,  226,  226,  176,  177,  176,  120,  411,  198,
+      397,  121,  125,  193,  129,  173,  207,  178,  179,  178,
+
+      180,  181,  180,  452,  126,  122,  182,  183,  182,  208,
+      168,  287,  127,  130,  131,  130,  185,  134,  185,  185,
+      134,  185,  187,  188,  187,  232,  250,  135,  287,  251,
+      296,  311,  314,  233,  331,  333,  333,  333,  338,  359,
+      418,  430,  358,  451,  450,  449,  448,  296,  311,  314,
+      447,  331,  333,  333,  333,  338,  359,  418,  430,   43,
+       43,   43,   43,   43,   43,   43,   45,   45,   45,   45,
+       45,   45,   45,   52,   52,   52,   52,   52,   52,   52,
+       96,   96,  101,  446,  101,  101,  101,  101,  106,  106,
+      106,  106,  106,  106,  106,  132,  132,  132,  132,  132,
+
+      445,  132,  136,  136,  136,  167,  444,  167,  167,  167,
+      167,  167,  396,  443,  396,  396,  396,  396,  396,  442,
+      441,  440,  439,  438,  437,  436,  435,  434,  433,  432,
+      431,  429,  428,  427,  426,  425,  424,  423,  422,  421,
+      420,  419,  417,  416,  415,  414,  413,  412,  397,  410,
+      409,  408,  407,  406,  405,  404,  403,  402,  401,  400,
+      399,  398,  397,  395,  394,  393,  392,  391,  390,  389,
+      388,  387,  386,  385,  384,  383,  382,  381,  380,  379,
+      378,  377,  376,  375,  374,  373,  372,  371,  370,  369,
+      368,  367,  366,  365,  364,  363,  362,  361,  360,  357,
+
+      356,  355,  354,  353,  352,  351,  350,  349,  348,  347,
+      346,  345,  344,  343,  342,  341,  340,  339,  337,  336,
+      335,  334,  332,  330,  329,  328,  327,  326,  325,  324,
+      323,  322,  321,  320,  319,  318,  317,  316,  315,  313,
+      312,  310,  309,  308,  307,  304,  303,  302,  301,  300,
+      299,  298,  297,  295,  294,  293,  292,  291,  290,  289,
+      288,  286,  285,  284,  283,  282,  281,  280,  279,  278,
+      277,  276,  275,  274,  273,  272,  271,  268,  267,  266,
+      265,  264,  263,  262,  261,  260,  259,  258,  257,  256,
+      255,  254,  253,  252,  247,  246,  245,  244,  243,  242,
+
+      241,  240,  239,  238,  237,  236,  235,  234,  231,  230,
+      229,  225,  224,  223,  222,  221,  220,  219,  218,  217,
+      216,  215,  214,  211,  210,  209,  206,  205,  204,  201,
+      200,  199,  196,  195,  194,  190,  189,  186,  184,  171,
+      170,  169,  166,  165,  164,  153,  149,  145,  144,  143,
+      138,  137,  119,  104,  105,  104,  452,   44,   44,   42,
+       25,  452,  452,  452,  452,  452,  452,  452,  452,  452,
+      452,  452,  452,  452,  452,  452,  452,  452,  452,  452,
+      452,  452,  452,  452,  452,  452,  452,  452,  452,  452,
+      452,  452,  452,  452,  452,  452,  452,  452,  452,  452,
+
+      452,  452,  452,  452,  452,  452,  452,  452,  452,  452,
+      452,  452,  452,  452,  452,  452
+    } ;
+
+static yyconst flex_int16_t yy_chk[717] =
+    {   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,    1,    1,    5,    6,    5,    6,    7,
+        8,    9,    9,    9,    7,    8,   10,   10,   10,    9,
+       10,   34,    9,   80,   10,   34,    9,   10,   80,    5,
+        6,   10,   17,    7,    8,   11,   19,   11,   17,   11,
+       11,   67,   12,   20,   12,   11,   12,   12,  471,   13,
+
+       18,   13,   12,   13,   13,   67,   18,    5,    6,   13,
+       19,    7,    8,   38,   14,   13,   14,   20,   14,   14,
+       21,   15,   21,   15,   14,   38,   15,   16,  470,   16,
+       14,   15,   16,   22,   23,   22,   24,   16,   55,   23,
+      469,   24,   55,   63,   21,   35,   35,   35,   13,   63,
+       13,   36,   36,   36,   79,   62,   35,   22,   23,   62,
+       24,   86,  147,   14,   79,   14,   30,   69,   69,   69,
+      468,   30,   84,   62,   86,  467,   84,   90,  147,   86,
+      466,   35,   30,   30,   30,   84,   90,   30,   30,   30,
+       30,   30,   30,   30,   30,   30,   30,   30,   30,   30,
+
+       30,   30,   30,   30,   30,   30,   30,   30,   30,   30,
+       30,   30,   48,   64,  465,   48,   88,   72,   72,   72,
+       89,   48,   48,  207,   89,   64,   99,   99,   99,   48,
+      207,   48,   88,   64,   48,   88,   48,   48,  108,  108,
+       91,   48,   72,  122,  122,  122,  155,  179,   48,   91,
+      155,  464,   48,  179,   48,   48,   48,   48,   91,  124,
+      124,  124,  127,  127,  127,  129,  129,  129,  130,  130,
+      130,  133,  133,  133,  135,  135,  135,  139,  143,  151,
+      183,  139,  172,  172,  176,  176,  176,  177,  397,  143,
+      397,  177,  181,  139,  183,  463,  151,  178,  178,  178,
+
+      180,  180,  180,  188,  181,  177,  182,  182,  182,  151,
+      462,  247,  181,  184,  184,  184,  185,  185,  185,  186,
+      186,  186,  187,  187,  187,  192,  208,  188,  247,  208,
+      257,  277,  280,  192,  301,  304,  304,  304,  312,  334,
+      406,  425,  333,  450,  449,  448,  447,  257,  277,  280,
+      446,  301,  333,  333,  333,  312,  334,  406,  425,  453,
+      453,  453,  453,  453,  453,  453,  454,  454,  454,  454,
+      454,  454,  454,  455,  455,  455,  455,  455,  455,  455,
+      456,  456,  457,  444,  457,  457,  457,  457,  458,  458,
+      458,  458,  458,  458,  458,  459,  459,  459,  459,  459,
+
+      443,  459,  460,  460,  460,  461,  442,  461,  461,  461,
+      461,  461,  472,  441,  472,  472,  472,  472,  472,  440,
+      438,  437,  436,  434,  433,  432,  431,  430,  428,  427,
+      426,  424,  419,  418,  416,  415,  413,  412,  410,  409,
+      408,  407,  405,  404,  402,  401,  400,  398,  396,  395,
+      394,  393,  392,  391,  390,  387,  386,  385,  384,  382,
+      381,  380,  379,  378,  376,  375,  374,  371,  370,  369,
+      368,  366,  365,  364,  363,  362,  361,  360,  359,  358,
+      356,  355,  353,  351,  350,  349,  348,  347,  346,  345,
+      344,  343,  342,  341,  340,  339,  338,  337,  336,  332,
+
+      331,  330,  329,  328,  327,  326,  324,  323,  322,  321,
+      320,  319,  318,  317,  316,  315,  314,  313,  311,  310,
+      309,  308,  303,  299,  297,  296,  295,  294,  293,  291,
+      290,  289,  288,  287,  285,  284,  283,  282,  281,  279,
+      278,  275,  274,  273,  271,  268,  266,  265,  263,  261,
+      260,  259,  258,  256,  254,  253,  252,  251,  250,  249,
+      248,  246,  245,  244,  242,  241,  240,  239,  238,  237,
+      236,  235,  234,  233,  232,  231,  229,  225,  224,  223,
+      222,  221,  220,  219,  218,  217,  216,  215,  214,  213,
+      212,  211,  210,  209,  206,  205,  204,  203,  202,  201,
+
+      200,  199,  198,  197,  196,  195,  194,  193,  191,  190,
+      189,  171,  166,  165,  164,  163,  162,  161,  160,  159,
+      158,  157,  156,  154,  153,  152,  150,  149,  148,  146,
+      145,  144,  142,  141,  140,  138,  137,  134,  131,  104,
+      102,  101,   94,   93,   92,   87,   85,   83,   82,   81,
+       78,   77,   60,   57,   44,   42,   25,    4,    3,    2,
+      452,  452,  452,  452,  452,  452,  452,  452,  452,  452,
+      452,  452,  452,  452,  452,  452,  452,  452,  452,  452,
+      452,  452,  452,  452,  452,  452,  452,  452,  452,  452,
+      452,  452,  452,  452,  452,  452,  452,  452,  452,  452,
+
+      452,  452,  452,  452,  452,  452,  452,  452,  452,  452,
+      452,  452,  452,  452,  452,  452
+    } ;
+
+static yy_state_type yy_last_accepting_state;
+static char *yy_last_accepting_cpos;
+
+extern int gram__flex_debug;
+int gram__flex_debug = 1;
+
+static yyconst flex_int16_t yy_rule_linenum[102] =
+    {   0,
+      135,  136,  137,  138,  146,  157,  158,  159,  160,  161,
+      162,  163,  164,  165,  166,  167,  168,  169,  170,  171,
+      172,  173,  174,  175,  176,  177,  178,  179,  180,  181,
+      182,  183,  184,  185,  186,  187,  188,  189,  190,  191,
+      192,  193,  194,  195,  196,  197,  198,  200,  204,  205,
+      206,  207,  208,  210,  216,  220,  226,  229,  232,  235,
+      243,  251,  258,  275,  280,  301,  302,  313,  324,  325,
+      337,  363,  390,  400,  410,  421,  422,  423,  424,  425,
+      426,  427,  430,  432,  441,  453,  458,  459,  465,  466,
+      477,  483,  489,  495,  511,  512,  513,  529,  548,  588,
+
+      589
+    } ;
+
+/* 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 *gram_text;
+#line 1 "scan-gram.l"
+/* Bison Grammar Scanner                             -*- C -*-
+
+   Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007 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 3 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, see <http://www.gnu.org/licenses/>.  */
+#line 25 "scan-gram.l"
+/* Work around a bug in flex 2.5.31.  See Debian bug 333231
+   <http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=333231>.  */
+#undef gram_wrap
+#define gram_wrap() 1
+
+#define FLEX_PREFIX(Id) gram_ ## Id
+#include "flex-scanner.h"
+
+#include "complain.h"
+#include "files.h"
+#include "gram.h"
+#include "quotearg.h"
+#include "reader.h"
+#include "uniqstr.h"
+
+#include <mbswidth.h>
+#include <quote.h>
+
+#include "scan-gram.h"
+
+#define YY_DECL GRAM_LEX_DECL
+
+#define YY_USER_INIT                                    \
+   code_start = scanner_cursor = loc->start;            \
+
+/* Location of scanner cursor.  */
+static boundary scanner_cursor;
+
+#define YY_USER_ACTION  location_compute (loc, &scanner_cursor, gram_text, gram_leng);
+
+static size_t no_cr_read (FILE *, char *, size_t);
+#define YY_INPUT(buf, result, size) ((result) = no_cr_read (gram_in, buf, size))
+
+/* A string representing the most recently saved token.  */
+static char *last_string;
+
+void
+gram_scanner_last_string_free (void)
+{
+  STRING_FREE;
+}
+
+static void handle_syncline (char *, location);
+static unsigned long int scan_integer (char const *p, int base, location loc);
+static int convert_ucn_to_byte (char const *hex_text);
+static void unexpected_eof (boundary, char const *);
+static void unexpected_newline (boundary, char const *);
+
+/* A C-like comment in directives/rules. */
+
+/* Strings and characters in directives/rules. */
+
+/* A identifier was just read in directives/rules.  Special state
+to capture the sequence `identifier :'. */
+
+/* Three types of user code:
+- prologue (code between `%{' `%}' in the first section, before %%);
+- actions, printers, union, etc, (between braced in the middle section);
+- epilogue (everything after the second %%). */
+
+/* C and C++ comments in code. */
+
+/* Strings and characters in code. */
+
+/* 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 971 "scan-gram.c"
+
+#define INITIAL 0
+#define SC_YACC_COMMENT 1
+#define SC_ESCAPED_STRING 2
+#define SC_ESCAPED_CHARACTER 3
+#define SC_AFTER_IDENTIFIER 4
+#define SC_PROLOGUE 5
+#define SC_BRACED_CODE 6
+#define SC_EPILOGUE 7
+#define SC_COMMENT 8
+#define SC_LINE_COMMENT 9
+#define SC_STRING 10
+#define SC_CHARACTER 11
+
+#ifndef YY_NO_UNISTD_H
+/* Special case for "unistd.h", since it is non-ANSI. We include it way
+ * down here because we want the user's section 1 to have been scanned first.
+ * The user has a chance to override it with an option.
+ */
+/* %if-c-only */
+#include <unistd.h>
+/* %endif */
+/* %if-c++-only */
+/* %endif */
+#endif
+
+#ifndef YY_EXTRA_TYPE
+#define YY_EXTRA_TYPE void *
+#endif
+
+/* %if-c-only Reentrant structure and macros (non-C++). */
+/* %if-reentrant */
+/* %if-c-only */
+
+static int yy_init_globals (void );
+
+/* %endif */
+/* %if-reentrant */
+/* %endif */
+/* %endif End reentrant structures and macros. */
+
+/* Accessor methods to globals.
+   These are made visible to non-reentrant scanners for convenience. */
+
+int gram_lex_destroy (void );
+
+int gram_get_debug (void );
+
+void gram_set_debug (int debug_flag  );
+
+YY_EXTRA_TYPE gram_get_extra (void );
+
+void gram_set_extra (YY_EXTRA_TYPE user_defined  );
+
+FILE *gram_get_in (void );
+
+void gram_set_in  (FILE * in_str  );
+
+FILE *gram_get_out (void );
+
+void gram_set_out  (FILE * out_str  );
+
+int gram_get_leng (void );
+
+char *gram_get_text (void );
+
+int gram_get_lineno (void );
+
+void gram_set_lineno (int line_number  );
+
+/* %if-bison-bridge */
+/* %endif */
+
+/* Macros after this point can all be overridden by user definitions in
+ * section 1.
+ */
+
+#ifndef YY_SKIP_YYWRAP
+#ifdef __cplusplus
+extern "C" int gram_wrap (void );
+#else
+extern int gram_wrap (void );
+#endif
+#endif
+
+/* %not-for-header */
+
+/* %ok-for-header */
+
+/* %endif */
+
+#ifndef yytext_ptr
+static void yy_flex_strncpy (char *,yyconst char *,int );
+#endif
+
+#ifdef YY_NEED_STRLEN
+static int yy_flex_strlen (yyconst char * );
+#endif
+
+#ifndef YY_NO_INPUT
+/* %if-c-only Standard (non-C++) definition */
+/* %not-for-header */
+
+#ifdef __cplusplus
+static int yyinput (void );
+#else
+static int input (void );
+#endif
+/* %ok-for-header */
+
+/* %endif */
+#endif
+
+/* %if-c-only */
+
+/* %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
+/* %if-c-only Standard (non-C++) definition */
+/* This used to be an fputs(), but since the string might contain NUL's,
+ * we now use fwrite().
+ */
+#define ECHO fwrite( gram_text, gram_leng, 1, gram_out )
+/* %endif */
+/* %if-c++-only C++ definition */
+/* %endif */
+#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) \
+/* %% [5.0] fread()/read() definition of YY_INPUT goes here unless we're doing C++ \ */\
+        if ( YY_CURRENT_BUFFER_LVALUE->yy_is_interactive ) \
+                { \
+                int c = '*'; \
+                int n; \
+                for ( n = 0; n < max_size && \
+                             (c = getc( gram_in )) != EOF && c != '\n'; ++n ) \
+                        buf[n] = (char) c; \
+                if ( c == '\n' ) \
+                        buf[n++] = (char) c; \
+                if ( c == EOF && ferror( gram_in ) ) \
+                        YY_FATAL_ERROR( "input in flex scanner failed" ); \
+                result = n; \
+                } \
+        else \
+                { \
+                errno=0; \
+                while ( (result = fread(buf, 1, max_size, gram_in))==0 && ferror(gram_in)) \
+                        { \
+                        if( errno != EINTR) \
+                                { \
+                                YY_FATAL_ERROR( "input in flex scanner failed" ); \
+                                break; \
+                                } \
+                        errno=0; \
+                        clearerr(gram_in); \
+                        } \
+                }\
+\
+/* %if-c++-only C++ definition \ */\
+/* %endif */
+
+#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
+/* %if-c-only */
+#define YY_FATAL_ERROR(msg) yy_fatal_error( msg )
+/* %endif */
+/* %if-c++-only */
+/* %endif */
+#endif
+
+/* %if-tables-serialization structures and prototypes */
+/* %not-for-header */
+
+/* %ok-for-header */
+
+/* %not-for-header */
+
+/* %tables-yydmap generated elements */
+/* %endif */
+/* end tables serialization structures and prototypes */
+
+/* %ok-for-header */
+
+/* Default declaration of generated scanner - a define so the user can
+ * easily add parameters.
+ */
+#ifndef YY_DECL
+#define YY_DECL_IS_OURS 1
+/* %if-c-only Standard (non-C++) definition */
+
+extern int gram_lex (void);
+
+#define YY_DECL int gram_lex (void)
+/* %endif */
+/* %if-c++-only C++ definition */
+/* %endif */
+#endif /* !YY_DECL */
+
+/* Code executed at the beginning of each rule, after gram_text and gram_leng
+ * 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
+
+/* %% [6.0] YY_RULE_SETUP definition goes here */
+#define YY_RULE_SETUP \
+        if ( gram_leng > 0 ) \
+                YY_CURRENT_BUFFER_LVALUE->yy_at_bol = \
+                                (gram_text[gram_leng - 1] == '\n'); \
+        YY_USER_ACTION
+
+/* %not-for-header */
+
+/** The main scanner function which does all the work.
+ */
+YY_DECL
+{
+        register yy_state_type yy_current_state;
+        register char *yy_cp, *yy_bp;
+        register int yy_act;
+    
+/* %% [7.0] user's declarations go here */
+#line 106 "scan-gram.l"
+
+
+  /* Nesting level of the current code in braces.  */
+  int braces_level IF_LINT (= 0);
+
+  /* Parent context state, when applicable.  */
+  int context_state IF_LINT (= 0);
+
+  /* Location of most recent identifier, when applicable.  */
+  location id_loc IF_LINT (= empty_location);
+
+  /* Where containing code started, when applicable.  Its initial
+     value is relevant only when gram_lex is invoked in the SC_EPILOGUE
+     start condition.  */
+  boundary code_start = scanner_cursor;
+
+  /* Where containing comment or string or character literal started,
+     when applicable.  */
+  boundary token_start IF_LINT (= scanner_cursor);
+
+
+
+  /*-----------------------.
+  | Scanning white space.  |
+  `-----------------------*/
+
+#line 1252 "scan-gram.c"
+
+        if ( !(yy_init) )
+                {
+                (yy_init) = 1;
+
+#ifdef YY_USER_INIT
+                YY_USER_INIT;
+#endif
+
+                if ( ! (yy_start) )
+                        (yy_start) = 1; /* first start state */
+
+                if ( ! gram_in )
+/* %if-c-only */
+                        gram_in = stdin;
+/* %endif */
+/* %if-c++-only */
+/* %endif */
+
+                if ( ! gram_out )
+/* %if-c-only */
+                        gram_out = stdout;
+/* %endif */
+/* %if-c++-only */
+/* %endif */
+
+                if ( ! YY_CURRENT_BUFFER ) {
+                        gram_ensure_buffer_stack ();
+                        YY_CURRENT_BUFFER_LVALUE =
+                                gram__create_buffer(gram_in,YY_BUF_SIZE );
+                }
+
+                gram__load_buffer_state( );
+                }
+
+        while ( 1 )             /* loops until end-of-file is reached */
+                {
+/* %% [8.0] yymore()-related code goes here */
+                yy_cp = (yy_c_buf_p);
+
+                /* Support of gram_text. */
+                *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;
+
+/* %% [9.0] code to set up and find next match goes here */
+                yy_current_state = (yy_start);
+                yy_current_state += YY_AT_BOL();
+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 >= 453 )
+                                        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_current_state != 452 );
+                yy_cp = (yy_last_accepting_cpos);
+                yy_current_state = (yy_last_accepting_state);
+
+yy_find_action:
+/* %% [10.0] code to find the action number goes here */
+                yy_act = yy_accept[yy_current_state];
+
+                YY_DO_BEFORE_ACTION;
+
+/* %% [11.0] code for gram_lineno update goes here */
+
+do_action:      /* This label is used only to access EOF actions. */
+
+/* %% [12.0] debug code goes here */
+                if ( gram__flex_debug )
+                        {
+                        if ( yy_act == 0 )
+                                fprintf( stderr, "--scanner backing up\n" );
+                        else if ( yy_act < 102 )
+                                fprintf( stderr, "--accepting rule at line %ld (\"%s\")\n",
+                                         (long)yy_rule_linenum[yy_act], gram_text );
+                        else if ( yy_act == 102 )
+                                fprintf( stderr, "--accepting default rule (\"%s\")\n",
+                                         gram_text );
+                        else if ( yy_act == 103 )
+                                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 */
+/* %% [13.0] actions go here */
+                        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;
+
+/* Comments and white space.  */
+case 1:
+YY_RULE_SETUP
+#line 135 "scan-gram.l"
+warn_at (*loc, _("stray `,' treated as white space"));
+        YY_BREAK
+case 2:
+/* rule 2 can match eol */
+#line 137 "scan-gram.l"
+case 3:
+/* rule 3 can match eol */
+YY_RULE_SETUP
+#line 137 "scan-gram.l"
+;
+        YY_BREAK
+case 4:
+YY_RULE_SETUP
+#line 138 "scan-gram.l"
+{
+    token_start = loc->start;
+    context_state = YY_START;
+    BEGIN SC_YACC_COMMENT;
+  }
+        YY_BREAK
+/* #line directives are not documented, and may be withdrawn or
+     modified in future versions of Bison.  */
+case 5:
+/* rule 5 can match eol */
+YY_RULE_SETUP
+#line 146 "scan-gram.l"
+{
+    handle_syncline (gram_text + sizeof "#line " - 1, *loc);
+  }
+        YY_BREAK
+
+/*----------------------------.
+  | Scanning Bison directives.  |
+  `----------------------------*/
+
+
+case 6:
+YY_RULE_SETUP
+#line 157 "scan-gram.l"
+return PERCENT_NONASSOC;
+        YY_BREAK
+case 7:
+YY_RULE_SETUP
+#line 158 "scan-gram.l"
+return PERCENT_CODE;
+        YY_BREAK
+case 8:
+YY_RULE_SETUP
+#line 159 "scan-gram.l"
+return PERCENT_DEBUG;
+        YY_BREAK
+case 9:
+YY_RULE_SETUP
+#line 160 "scan-gram.l"
+return PERCENT_DEFAULT_PREC;
+        YY_BREAK
+case 10:
+YY_RULE_SETUP
+#line 161 "scan-gram.l"
+return PERCENT_DEFINE;
+        YY_BREAK
+case 11:
+YY_RULE_SETUP
+#line 162 "scan-gram.l"
+return PERCENT_DEFINES;
+        YY_BREAK
+case 12:
+YY_RULE_SETUP
+#line 163 "scan-gram.l"
+return PERCENT_DESTRUCTOR;
+        YY_BREAK
+case 13:
+YY_RULE_SETUP
+#line 164 "scan-gram.l"
+return PERCENT_DPREC;
+        YY_BREAK
+case 14:
+YY_RULE_SETUP
+#line 165 "scan-gram.l"
+return PERCENT_ERROR_VERBOSE;
+        YY_BREAK
+case 15:
+YY_RULE_SETUP
+#line 166 "scan-gram.l"
+return PERCENT_EXPECT;
+        YY_BREAK
+case 16:
+YY_RULE_SETUP
+#line 167 "scan-gram.l"
+return PERCENT_EXPECT_RR;
+        YY_BREAK
+case 17:
+YY_RULE_SETUP
+#line 168 "scan-gram.l"
+return PERCENT_FILE_PREFIX;
+        YY_BREAK
+case 18:
+YY_RULE_SETUP
+#line 169 "scan-gram.l"
+return PERCENT_YACC;
+        YY_BREAK
+case 19:
+YY_RULE_SETUP
+#line 170 "scan-gram.l"
+return PERCENT_INITIAL_ACTION;
+        YY_BREAK
+case 20:
+YY_RULE_SETUP
+#line 171 "scan-gram.l"
+return PERCENT_GLR_PARSER;
+        YY_BREAK
+case 21:
+YY_RULE_SETUP
+#line 172 "scan-gram.l"
+return PERCENT_LANGUAGE;
+        YY_BREAK
+case 22:
+YY_RULE_SETUP
+#line 173 "scan-gram.l"
+return PERCENT_LEFT;
+        YY_BREAK
+case 23:
+YY_RULE_SETUP
+#line 174 "scan-gram.l"
+return PERCENT_LEX_PARAM;
+        YY_BREAK
+case 24:
+YY_RULE_SETUP
+#line 175 "scan-gram.l"
+return PERCENT_LOCATIONS;
+        YY_BREAK
+case 25:
+YY_RULE_SETUP
+#line 176 "scan-gram.l"
+return PERCENT_MERGE;
+        YY_BREAK
+case 26:
+YY_RULE_SETUP
+#line 177 "scan-gram.l"
+return PERCENT_NAME_PREFIX;
+        YY_BREAK
+case 27:
+YY_RULE_SETUP
+#line 178 "scan-gram.l"
+return PERCENT_NO_DEFAULT_PREC;
+        YY_BREAK
+case 28:
+YY_RULE_SETUP
+#line 179 "scan-gram.l"
+return PERCENT_NO_LINES;
+        YY_BREAK
+case 29:
+YY_RULE_SETUP
+#line 180 "scan-gram.l"
+return PERCENT_NONASSOC;
+        YY_BREAK
+case 30:
+YY_RULE_SETUP
+#line 181 "scan-gram.l"
+return PERCENT_NONDETERMINISTIC_PARSER;
+        YY_BREAK
+case 31:
+YY_RULE_SETUP
+#line 182 "scan-gram.l"
+return PERCENT_NTERM;
+        YY_BREAK
+case 32:
+YY_RULE_SETUP
+#line 183 "scan-gram.l"
+return PERCENT_OUTPUT;
+        YY_BREAK
+case 33:
+YY_RULE_SETUP
+#line 184 "scan-gram.l"
+return PERCENT_PARSE_PARAM;
+        YY_BREAK
+case 34:
+YY_RULE_SETUP
+#line 185 "scan-gram.l"
+return PERCENT_PREC;
+        YY_BREAK
+case 35:
+YY_RULE_SETUP
+#line 186 "scan-gram.l"
+return PERCENT_PRINTER;
+        YY_BREAK
+case 36:
+YY_RULE_SETUP
+#line 187 "scan-gram.l"
+return PERCENT_PURE_PARSER;
+        YY_BREAK
+case 37:
+YY_RULE_SETUP
+#line 188 "scan-gram.l"
+return PERCENT_REQUIRE;
+        YY_BREAK
+case 38:
+YY_RULE_SETUP
+#line 189 "scan-gram.l"
+return PERCENT_RIGHT;
+        YY_BREAK
+case 39:
+YY_RULE_SETUP
+#line 190 "scan-gram.l"
+return PERCENT_SKELETON;
+        YY_BREAK
+case 40:
+YY_RULE_SETUP
+#line 191 "scan-gram.l"
+return PERCENT_START;
+        YY_BREAK
+case 41:
+YY_RULE_SETUP
+#line 192 "scan-gram.l"
+return PERCENT_TOKEN;
+        YY_BREAK
+case 42:
+YY_RULE_SETUP
+#line 193 "scan-gram.l"
+return PERCENT_TOKEN;
+        YY_BREAK
+case 43:
+YY_RULE_SETUP
+#line 194 "scan-gram.l"
+return PERCENT_TOKEN_TABLE;
+        YY_BREAK
+case 44:
+YY_RULE_SETUP
+#line 195 "scan-gram.l"
+return PERCENT_TYPE;
+        YY_BREAK
+case 45:
+YY_RULE_SETUP
+#line 196 "scan-gram.l"
+return PERCENT_UNION;
+        YY_BREAK
+case 46:
+YY_RULE_SETUP
+#line 197 "scan-gram.l"
+return PERCENT_VERBOSE;
+        YY_BREAK
+case 47:
+YY_RULE_SETUP
+#line 198 "scan-gram.l"
+return PERCENT_YACC;
+        YY_BREAK
+case 48:
+YY_RULE_SETUP
+#line 200 "scan-gram.l"
+{
+    complain_at (*loc, _("invalid directive: %s"), quote (gram_text));
+  }
+        YY_BREAK
+case 49:
+YY_RULE_SETUP
+#line 204 "scan-gram.l"
+return EQUAL;
+        YY_BREAK
+case 50:
+YY_RULE_SETUP
+#line 205 "scan-gram.l"
+return PIPE;
+        YY_BREAK
+case 51:
+YY_RULE_SETUP
+#line 206 "scan-gram.l"
+return SEMICOLON;
+        YY_BREAK
+case 52:
+YY_RULE_SETUP
+#line 207 "scan-gram.l"
+return TYPE_TAG_ANY;
+        YY_BREAK
+case 53:
+YY_RULE_SETUP
+#line 208 "scan-gram.l"
+return TYPE_TAG_NONE;
+        YY_BREAK
+case 54:
+YY_RULE_SETUP
+#line 210 "scan-gram.l"
+{
+    val->uniqstr = uniqstr_new (gram_text);
+    id_loc = *loc;
+    BEGIN SC_AFTER_IDENTIFIER;
+  }
+        YY_BREAK
+case 55:
+YY_RULE_SETUP
+#line 216 "scan-gram.l"
+{
+    val->integer = scan_integer (gram_text, 10, *loc);
+    return INT;
+  }
+        YY_BREAK
+case 56:
+YY_RULE_SETUP
+#line 220 "scan-gram.l"
+{
+    val->integer = scan_integer (gram_text, 16, *loc);
+    return INT;
+  }
+        YY_BREAK
+/* Characters.  We don't check there is only one.  */
+case 57:
+YY_RULE_SETUP
+#line 226 "scan-gram.l"
+STRING_GROW; token_start = loc->start; BEGIN SC_ESCAPED_CHARACTER;
+        YY_BREAK
+/* Strings. */
+case 58:
+YY_RULE_SETUP
+#line 229 "scan-gram.l"
+token_start = loc->start; BEGIN SC_ESCAPED_STRING;
+        YY_BREAK
+/* Prologue. */
+case 59:
+YY_RULE_SETUP
+#line 232 "scan-gram.l"
+code_start = loc->start; BEGIN SC_PROLOGUE;
+        YY_BREAK
+/* Code in between braces.  */
+case 60:
+YY_RULE_SETUP
+#line 235 "scan-gram.l"
+{
+    STRING_GROW;
+    braces_level = 0;
+    code_start = loc->start;
+    BEGIN SC_BRACED_CODE;
+  }
+        YY_BREAK
+/* A type. */
+case 61:
+YY_RULE_SETUP
+#line 243 "scan-gram.l"
+{
+    obstack_grow (&obstack_for_string, gram_text + 1, gram_leng - 2);
+    STRING_FINISH;
+    val->uniqstr = uniqstr_new (last_string);
+    STRING_FREE;
+    return TYPE;
+  }
+        YY_BREAK
+case 62:
+YY_RULE_SETUP
+#line 251 "scan-gram.l"
+{
+    static int percent_percent_count;
+    if (++percent_percent_count == 2)
+      BEGIN SC_EPILOGUE;
+    return PERCENT_PERCENT;
+  }
+        YY_BREAK
+case 63:
+YY_RULE_SETUP
+#line 258 "scan-gram.l"
+{
+    complain_at (*loc, _("invalid character: %s"), quote (gram_text));
+  }
+        YY_BREAK
+case YY_STATE_EOF(INITIAL):
+#line 262 "scan-gram.l"
+{
+    loc->start = loc->end = scanner_cursor;
+    yyterminate ();
+  }
+        YY_BREAK
+
+/*-----------------------------------------------------------------.
+  | Scanning after an identifier, checking whether a colon is next.  |
+  `-----------------------------------------------------------------*/
+
+
+case 64:
+YY_RULE_SETUP
+#line 275 "scan-gram.l"
+{
+    *loc = id_loc;
+    BEGIN INITIAL;
+    return ID_COLON;
+  }
+        YY_BREAK
+case 65:
+YY_RULE_SETUP
+#line 280 "scan-gram.l"
+{
+    scanner_cursor.column -= mbsnwidth (gram_text, gram_leng, 0);
+    yyless (0);
+    *loc = id_loc;
+    BEGIN INITIAL;
+    return ID;
+  }
+        YY_BREAK
+case YY_STATE_EOF(SC_AFTER_IDENTIFIER):
+#line 287 "scan-gram.l"
+{
+    *loc = id_loc;
+    BEGIN INITIAL;
+    return ID;
+  }
+        YY_BREAK
+
+/*---------------------------------------------------------------.
+  | Scanning a Yacc comment.  The initial `/ *' is already eaten.  |
+  `---------------------------------------------------------------*/
+
+
+case 66:
+YY_RULE_SETUP
+#line 301 "scan-gram.l"
+BEGIN context_state;
+        YY_BREAK
+case 67:
+/* rule 67 can match eol */
+YY_RULE_SETUP
+#line 302 "scan-gram.l"
+;
+        YY_BREAK
+case YY_STATE_EOF(SC_YACC_COMMENT):
+#line 303 "scan-gram.l"
+unexpected_eof (token_start, "*/"); BEGIN context_state;
+        YY_BREAK
+
+/*------------------------------------------------------------.
+  | Scanning a C comment.  The initial `/ *' is already eaten.  |
+  `------------------------------------------------------------*/
+
+
+case 68:
+/* rule 68 can match eol */
+YY_RULE_SETUP
+#line 313 "scan-gram.l"
+STRING_GROW; BEGIN context_state;
+        YY_BREAK
+case YY_STATE_EOF(SC_COMMENT):
+#line 314 "scan-gram.l"
+unexpected_eof (token_start, "*/"); BEGIN context_state;
+        YY_BREAK
+
+/*--------------------------------------------------------------.
+  | Scanning a line comment.  The initial `//' is already eaten.  |
+  `--------------------------------------------------------------*/
+
+
+case 69:
+/* rule 69 can match eol */
+YY_RULE_SETUP
+#line 324 "scan-gram.l"
+STRING_GROW; BEGIN context_state;
+        YY_BREAK
+case 70:
+/* rule 70 can match eol */
+YY_RULE_SETUP
+#line 325 "scan-gram.l"
+STRING_GROW;
+        YY_BREAK
+case YY_STATE_EOF(SC_LINE_COMMENT):
+#line 326 "scan-gram.l"
+BEGIN context_state;
+        YY_BREAK
+
+/*------------------------------------------------.
+  | Scanning a Bison string, including its escapes. |
+  | The initial quote is already eaten.             |
+  `------------------------------------------------*/
+
+
+case 71:
+/* rule 71 can match eol */
+YY_RULE_SETUP
+#line 337 "scan-gram.l"
+{
+    if (gram_text[0] == '\n')
+      unexpected_newline (token_start, "\"");
+    STRING_FINISH;
+    loc->start = token_start;
+    val->chars = last_string;
+    BEGIN INITIAL;
+    return STRING;
+  }
+        YY_BREAK
+case YY_STATE_EOF(SC_ESCAPED_STRING):
+#line 346 "scan-gram.l"
+{
+    unexpected_eof (token_start, "\"");
+    STRING_FINISH;
+    loc->start = token_start;
+    val->chars = last_string;
+    BEGIN INITIAL;
+    return STRING;
+  }
+        YY_BREAK
+
+/*----------------------------------------------------------.
+  | Scanning a Bison character literal, decoding its escapes. |
+  | The initial quote is already eaten.                       |
+  `----------------------------------------------------------*/
+
+
+case 72:
+/* rule 72 can match eol */
+YY_RULE_SETUP
+#line 363 "scan-gram.l"
+{
+    if (gram_text[0] == '\n')
+      unexpected_newline (token_start, "'");
+    STRING_GROW;
+    STRING_FINISH;
+    loc->start = token_start;
+    val->character = last_string[1];
+    STRING_FREE;
+    BEGIN INITIAL;
+    return CHAR;
+  }
+        YY_BREAK
+case YY_STATE_EOF(SC_ESCAPED_CHARACTER):
+#line 374 "scan-gram.l"
+{
+    unexpected_eof (token_start, "'");
+    STRING_FINISH;
+    loc->start = token_start;
+    if (strlen(last_string) > 1)
+      val->character = last_string[1];
+    else
+      val->character = last_string[0];
+    STRING_FREE;
+    BEGIN INITIAL;
+    return CHAR;
+  }
+        YY_BREAK
+
+
+
+case 73:
+YY_RULE_SETUP
+#line 390 "scan-gram.l"
+complain_at (*loc, _("invalid null character"));
+        YY_BREAK
+
+/*----------------------------.
+  | Decode escaped characters.  |
+  `----------------------------*/
+
+
+case 74:
+YY_RULE_SETUP
+#line 400 "scan-gram.l"
+{
+    unsigned long int c = strtoul (gram_text + 1, NULL, 8);
+    if (UCHAR_MAX < c)
+      complain_at (*loc, _("invalid escape sequence: %s"), quote (gram_text));
+    else if (! c)
+      complain_at (*loc, _("invalid null character: %s"), quote (gram_text));
+    else
+      obstack_1grow (&obstack_for_string, c);
+  }
+        YY_BREAK
+case 75:
+YY_RULE_SETUP
+#line 410 "scan-gram.l"
+{
+    verify (UCHAR_MAX < ULONG_MAX);
+    unsigned long int c = strtoul (gram_text + 2, NULL, 16);
+    if (UCHAR_MAX < c)
+      complain_at (*loc, _("invalid escape sequence: %s"), quote (gram_text));
+    else if (! c)
+      complain_at (*loc, _("invalid null character: %s"), quote (gram_text));
+    else
+      obstack_1grow (&obstack_for_string, c);
+  }
+        YY_BREAK
+case 76:
+YY_RULE_SETUP
+#line 421 "scan-gram.l"
+obstack_1grow (&obstack_for_string, '\a');
+        YY_BREAK
+case 77:
+YY_RULE_SETUP
+#line 422 "scan-gram.l"
+obstack_1grow (&obstack_for_string, '\b');
+        YY_BREAK
+case 78:
+YY_RULE_SETUP
+#line 423 "scan-gram.l"
+obstack_1grow (&obstack_for_string, '\f');
+        YY_BREAK
+case 79:
+YY_RULE_SETUP
+#line 424 "scan-gram.l"
+obstack_1grow (&obstack_for_string, '\n');
+        YY_BREAK
+case 80:
+YY_RULE_SETUP
+#line 425 "scan-gram.l"
+obstack_1grow (&obstack_for_string, '\r');
+        YY_BREAK
+case 81:
+YY_RULE_SETUP
+#line 426 "scan-gram.l"
+obstack_1grow (&obstack_for_string, '\t');
+        YY_BREAK
+case 82:
+YY_RULE_SETUP
+#line 427 "scan-gram.l"
+obstack_1grow (&obstack_for_string, '\v');
+        YY_BREAK
+/* \\[\"\'?\\] would be shorter, but it confuses xgettext.  */
+case 83:
+YY_RULE_SETUP
+#line 430 "scan-gram.l"
+obstack_1grow (&obstack_for_string, gram_text[1]);
+        YY_BREAK
+case 84:
+YY_RULE_SETUP
+#line 432 "scan-gram.l"
+{
+    int c = convert_ucn_to_byte (gram_text);
+    if (c < 0)
+      complain_at (*loc, _("invalid escape sequence: %s"), quote (gram_text));
+    else if (! c)
+      complain_at (*loc, _("invalid null character: %s"), quote (gram_text));
+    else
+      obstack_1grow (&obstack_for_string, c);
+  }
+        YY_BREAK
+case 85:
+/* rule 85 can match eol */
+YY_RULE_SETUP
+#line 441 "scan-gram.l"
+{
+    complain_at (*loc, _("unrecognized escape sequence: %s"), quote (gram_text));
+    STRING_GROW;
+  }
+        YY_BREAK
+
+/*--------------------------------------------.
+  | Scanning user-code characters and strings.  |
+  `--------------------------------------------*/
+
+
+case 86:
+/* rule 86 can match eol */
+YY_RULE_SETUP
+#line 453 "scan-gram.l"
+STRING_GROW;
+        YY_BREAK
+
+
+
+case 87:
+YY_RULE_SETUP
+#line 458 "scan-gram.l"
+STRING_GROW; BEGIN context_state;
+        YY_BREAK
+case 88:
+/* rule 88 can match eol */
+YY_RULE_SETUP
+#line 459 "scan-gram.l"
+unexpected_newline (token_start, "'"); BEGIN context_state;
+        YY_BREAK
+case YY_STATE_EOF(SC_CHARACTER):
+#line 460 "scan-gram.l"
+unexpected_eof (token_start, "'"); BEGIN context_state;
+        YY_BREAK
+
+
+
+case 89:
+YY_RULE_SETUP
+#line 465 "scan-gram.l"
+STRING_GROW; BEGIN context_state;
+        YY_BREAK
+case 90:
+/* rule 90 can match eol */
+YY_RULE_SETUP
+#line 466 "scan-gram.l"
+unexpected_newline (token_start, "\""); BEGIN context_state;
+        YY_BREAK
+case YY_STATE_EOF(SC_STRING):
+#line 467 "scan-gram.l"
+unexpected_eof (token_start, "\""); BEGIN context_state;
+        YY_BREAK
+
+/*---------------------------------------------------.
+  | Strings, comments etc. can be found in user code.  |
+  `---------------------------------------------------*/
+
+
+case 91:
+YY_RULE_SETUP
+#line 477 "scan-gram.l"
+{
+    STRING_GROW;
+    context_state = YY_START;
+    token_start = loc->start;
+    BEGIN SC_CHARACTER;
+  }
+        YY_BREAK
+case 92:
+YY_RULE_SETUP
+#line 483 "scan-gram.l"
+{
+    STRING_GROW;
+    context_state = YY_START;
+    token_start = loc->start;
+    BEGIN SC_STRING;
+  }
+        YY_BREAK
+case 93:
+/* rule 93 can match eol */
+YY_RULE_SETUP
+#line 489 "scan-gram.l"
+{
+    STRING_GROW;
+    context_state = YY_START;
+    token_start = loc->start;
+    BEGIN SC_COMMENT;
+  }
+        YY_BREAK
+case 94:
+/* rule 94 can match eol */
+YY_RULE_SETUP
+#line 495 "scan-gram.l"
+{
+    STRING_GROW;
+    context_state = YY_START;
+    BEGIN SC_LINE_COMMENT;
+  }
+        YY_BREAK
+
+/*-----------------------------------------------------------.
+  | Scanning some code in braces (actions). The initial "{" is |
+  | already eaten.                                             |
+  `-----------------------------------------------------------*/
+
+
+case 95:
+/* rule 95 can match eol */
+YY_RULE_SETUP
+#line 511 "scan-gram.l"
+STRING_GROW; braces_level++;
+        YY_BREAK
+case 96:
+/* rule 96 can match eol */
+YY_RULE_SETUP
+#line 512 "scan-gram.l"
+STRING_GROW; braces_level--;
+        YY_BREAK
+case 97:
+YY_RULE_SETUP
+#line 513 "scan-gram.l"
+{
+    obstack_1grow (&obstack_for_string, '}');
+
+    --braces_level;
+    if (braces_level < 0)
+      {
+        STRING_FINISH;
+        loc->start = code_start;
+        val->code = last_string;
+        BEGIN INITIAL;
+        return BRACED_CODE;
+      }
+  }
+        YY_BREAK
+/* Tokenize `<<%' correctly (as `<<' `%') rather than incorrrectly
+     (as `<' `<%').  */
+case 98:
+/* rule 98 can match eol */
+YY_RULE_SETUP
+#line 529 "scan-gram.l"
+STRING_GROW;
+        YY_BREAK
+case YY_STATE_EOF(SC_BRACED_CODE):
+#line 531 "scan-gram.l"
+{
+    unexpected_eof (code_start, "}");
+    STRING_FINISH;
+    loc->start = code_start;
+    val->code = last_string;
+    BEGIN INITIAL;
+    return BRACED_CODE;
+  }
+        YY_BREAK
+
+/*--------------------------------------------------------------.
+  | Scanning some prologue: from "%{" (already scanned) to "%}".  |
+  `--------------------------------------------------------------*/
+
+
+case 99:
+YY_RULE_SETUP
+#line 548 "scan-gram.l"
+{
+    STRING_FINISH;
+    loc->start = code_start;
+    val->chars = last_string;
+    BEGIN INITIAL;
+    return PROLOGUE;
+  }
+        YY_BREAK
+case YY_STATE_EOF(SC_PROLOGUE):
+#line 556 "scan-gram.l"
+{
+    unexpected_eof (code_start, "%}");
+    STRING_FINISH;
+    loc->start = code_start;
+    val->chars = last_string;
+    BEGIN INITIAL;
+    return PROLOGUE;
+  }
+        YY_BREAK
+
+/*---------------------------------------------------------------.
+  | Scanning the epilogue (everything after the second "%%", which |
+  | has already been eaten).                                       |
+  `---------------------------------------------------------------*/
+
+
+case YY_STATE_EOF(SC_EPILOGUE):
+#line 574 "scan-gram.l"
+{
+    STRING_FINISH;
+    loc->start = code_start;
+    val->chars = last_string;
+    BEGIN INITIAL;
+    return EPILOGUE;
+  }
+        YY_BREAK
+
+/*-----------------------------------------------------.
+  | By default, grow the string obstack with the input.  |
+  `-----------------------------------------------------*/
+case 100:
+#line 589 "scan-gram.l"
+case 101:
+/* rule 101 can match eol */
+YY_RULE_SETUP
+#line 589 "scan-gram.l"
+STRING_GROW;
+        YY_BREAK
+case 102:
+YY_RULE_SETUP
+#line 591 "scan-gram.l"
+YY_FATAL_ERROR( "flex scanner jammed" );
+        YY_BREAK
+#line 2214 "scan-gram.c"
+
+        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_LVALUE->yy_buffer_status == YY_BUFFER_NEW )
+                        {
+                        /* We're scanning a new file or input source.  It's
+                         * possible that this happened because the user
+                         * just pointed gram_in at a new source and called
+                         * gram_lex().  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_LVALUE->yy_n_chars;
+                        YY_CURRENT_BUFFER_LVALUE->yy_input_file = gram_in;
+                        YY_CURRENT_BUFFER_LVALUE->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_LVALUE->yy_ch_buf[(yy_n_chars)] )
+                        { /* This was really a NUL. */
+                        yy_state_type yy_next_state;
+
+                        (yy_c_buf_p) = (yytext_ptr) + yy_amount_of_matched_text;
+
+                        yy_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
+                                {
+/* %% [14.0] code to do back-up for compressed tables and set up yy_cp goes here */
+                                yy_cp = (yy_last_accepting_cpos);
+                                yy_current_state = (yy_last_accepting_state);
+                                goto yy_find_action;
+                                }
+                        }
+
+                else switch ( yy_get_next_buffer(  ) )
+                        {
+                        case EOB_ACT_END_OF_FILE:
+                                {
+                                (yy_did_buffer_switch_on_eof) = 0;
+
+                                if ( gram_wrap( ) )
+                                        {
+                                        /* Note: because we've taken care in
+                                         * yy_get_next_buffer() to have set up
+                                         * gram_text, 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_LVALUE->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 gram_lex */
+/* %ok-for-header */
+
+/* %if-c++-only */
+/* %not-for-header */
+
+/* %ok-for-header */
+
+/* %endif */
+
+/* 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
+ */
+/* %if-c-only */
+static int yy_get_next_buffer (void)
+/* %endif */
+/* %if-c++-only */
+/* %endif */
+{
+        register char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf;
+        register char *source = (yytext_ptr);
+        register int number_to_move, i;
+        int ret_val;
+
+        if ( (yy_c_buf_p) > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] )
+                YY_FATAL_ERROR(
+                "fatal flex scanner internal error--end of buffer missed" );
+
+        if ( YY_CURRENT_BUFFER_LVALUE->yy_fill_buffer == 0 )
+                { /* Don't try to fill the buffer, so this is an EOF. */
+                if ( (yy_c_buf_p) - (yytext_ptr) - YY_MORE_ADJ == 1 )
+                        {
+                        /* 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_LVALUE->yy_buffer_status == YY_BUFFER_EOF_PENDING )
+                /* don't do the read, it's not guaranteed to return an EOF,
+                 * just force an EOF
+                 */
+                YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars) = 0;
+
+        else
+                {
+                        int num_to_read =
+                        YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1;
+
+                while ( num_to_read <= 0 )
+                        { /* Not enough room in the buffer - grow it. */
+
+                        /* 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. */
+                                        gram_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_LVALUE->yy_buf_size -
+                                                number_to_move - 1;
+
+                        }
+
+                if ( num_to_read > YY_READ_BUF_SIZE )
+                        num_to_read = YY_READ_BUF_SIZE;
+
+                /* Read in more data. */
+                YY_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]),
+                        (yy_n_chars), (size_t) num_to_read );
+
+                YY_CURRENT_BUFFER_LVALUE->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;
+                        gram_restart(gram_in  );
+                        }
+
+                else
+                        {
+                        ret_val = EOB_ACT_LAST_MATCH;
+                        YY_CURRENT_BUFFER_LVALUE->yy_buffer_status =
+                                YY_BUFFER_EOF_PENDING;
+                        }
+                }
+
+        else
+                ret_val = EOB_ACT_CONTINUE_SCAN;
+
+        if ((yy_size_t) ((yy_n_chars) + number_to_move) > YY_CURRENT_BUFFER_LVALUE->yy_buf_size) {
+                /* Extend the array by 50%, plus the number we really need. */
+                yy_size_t new_size = (yy_n_chars) + number_to_move + ((yy_n_chars) >> 1);
+                YY_CURRENT_BUFFER_LVALUE->yy_ch_buf = (char *) gram_realloc((void *) YY_CURRENT_BUFFER_LVALUE->yy_ch_buf,new_size  );
+                if ( ! YY_CURRENT_BUFFER_LVALUE->yy_ch_buf )
+                        YY_FATAL_ERROR( "out of dynamic memory in yy_get_next_buffer()" );
+        }
+
+        (yy_n_chars) += number_to_move;
+        YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] = YY_END_OF_BUFFER_CHAR;
+        YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] = YY_END_OF_BUFFER_CHAR;
+
+        (yytext_ptr) = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[0];
+
+        return ret_val;
+}
+
+/* yy_get_previous_state - get the state just before the EOB char was reached */
+
+/* %if-c-only */
+/* %not-for-header */
+
+    static yy_state_type yy_get_previous_state (void)
+/* %endif */
+/* %if-c++-only */
+/* %endif */
+{
+        register yy_state_type yy_current_state;
+        register char *yy_cp;
+    
+/* %% [15.0] code to get the start state into yy_current_state goes here */
+        yy_current_state = (yy_start);
+        yy_current_state += YY_AT_BOL();
+
+        for ( yy_cp = (yytext_ptr) + YY_MORE_ADJ; yy_cp < (yy_c_buf_p); ++yy_cp )
+                {
+/* %% [16.0] code to find the next state goes here */
+                register YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 55);
+                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 >= 453 )
+                                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 );
+ */
+/* %if-c-only */
+    static yy_state_type yy_try_NUL_trans  (yy_state_type yy_current_state )
+/* %endif */
+/* %if-c++-only */
+/* %endif */
+{
+        register int yy_is_jam;
+    /* %% [17.0] code to find the next state, and perhaps do backing up, goes here */
+        register char *yy_cp = (yy_c_buf_p);
+
+        register YY_CHAR yy_c = 55;
+        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 >= 453 )
+                        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 == 452);
+
+        return yy_is_jam ? 0 : yy_current_state;
+}
+
+/* %if-c-only */
+
+/* %endif */
+
+/* %if-c-only */
+#ifndef YY_NO_INPUT
+#ifdef __cplusplus
+    static int yyinput (void)
+#else
+    static int input  (void)
+#endif
+
+/* %endif */
+/* %if-c++-only */
+/* %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_LVALUE->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. */
+                                        gram_restart(gram_in );
+
+                                        /*FALLTHROUGH*/
+
+                                case EOB_ACT_END_OF_FILE:
+                                        {
+                                        if ( gram_wrap( ) )
+                                                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 gram_text */
+        (yy_hold_char) = *++(yy_c_buf_p);
+
+/* %% [19.0] update BOL and gram_lineno */
+        YY_CURRENT_BUFFER_LVALUE->yy_at_bol = (c == '\n');
+
+        return c;
+}
+/* %if-c-only */
+#endif  /* ifndef YY_NO_INPUT */
+/* %endif */
+
+/** Immediately switch to a different input stream.
+ * @param input_file A readable stream.
+ * 
+ * @note This function does not reset the start condition to @c INITIAL .
+ */
+/* %if-c-only */
+    void gram_restart  (FILE * input_file )
+/* %endif */
+/* %if-c++-only */
+/* %endif */
+{
+    
+        if ( ! YY_CURRENT_BUFFER ){
+        gram_ensure_buffer_stack ();
+                YY_CURRENT_BUFFER_LVALUE =
+            gram__create_buffer(gram_in,YY_BUF_SIZE );
+        }
+
+        gram__init_buffer(YY_CURRENT_BUFFER,input_file );
+        gram__load_buffer_state( );
+}
+
+/** Switch to a different input buffer.
+ * @param new_buffer The new input buffer.
+ * 
+ */
+/* %if-c-only */
+    void gram__switch_to_buffer  (YY_BUFFER_STATE  new_buffer )
+/* %endif */
+/* %if-c++-only */
+/* %endif */
+{
+    
+        /* TODO. We should be able to replace this entire function body
+         * with
+         *              gram_pop_buffer_state();
+         *              gram_push_buffer_state(new_buffer);
+     */
+        gram_ensure_buffer_stack ();
+        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_LVALUE->yy_buf_pos = (yy_c_buf_p);
+                YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
+                }
+
+        YY_CURRENT_BUFFER_LVALUE = new_buffer;
+        gram__load_buffer_state( );
+
+        /* We don't actually know whether we did this switch during
+         * EOF (gram_wrap()) processing, but the only time this flag
+         * is looked at is after gram_wrap() is called, so it's safe
+         * to go ahead and always set it.
+         */
+        (yy_did_buffer_switch_on_eof) = 1;
+}
+
+/* %if-c-only */
+static void gram__load_buffer_state  (void)
+/* %endif */
+/* %if-c++-only */
+/* %endif */
+{
+        (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
+        (yytext_ptr) = (yy_c_buf_p) = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos;
+        gram_in = YY_CURRENT_BUFFER_LVALUE->yy_input_file;
+        (yy_hold_char) = *(yy_c_buf_p);
+}
+
+/** Allocate and initialize an input buffer state.
+ * @param file A readable stream.
+ * @param size The character buffer size in bytes. When in doubt, use @c YY_BUF_SIZE.
+ * 
+ * @return the allocated buffer state.
+ */
+/* %if-c-only */
+    YY_BUFFER_STATE gram__create_buffer  (FILE * file, int  size )
+/* %endif */
+/* %if-c++-only */
+/* %endif */
+{
+        YY_BUFFER_STATE b;
+    
+        b = (YY_BUFFER_STATE) gram_alloc(sizeof( struct yy_buffer_state )  );
+        if ( ! b )
+                YY_FATAL_ERROR( "out of dynamic memory in gram__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 *) gram_alloc(b->yy_buf_size + 2  );
+        if ( ! b->yy_ch_buf )
+                YY_FATAL_ERROR( "out of dynamic memory in gram__create_buffer()" );
+
+        b->yy_is_our_buffer = 1;
+
+        gram__init_buffer(b,file );
+
+        return b;
+}
+
+/** Destroy the buffer.
+ * @param b a buffer created with gram__create_buffer()
+ * 
+ */
+/* %if-c-only */
+    void gram__delete_buffer (YY_BUFFER_STATE  b )
+/* %endif */
+/* %if-c++-only */
+/* %endif */
+{
+    
+        if ( ! b )
+                return;
+
+        if ( b == YY_CURRENT_BUFFER ) /* Not sure if we should pop here. */
+                YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE) 0;
+
+        if ( b->yy_is_our_buffer )
+                gram_free((void *) b->yy_ch_buf  );
+
+        gram_free((void *) b  );
+}
+
+/* %if-c-only */
+
+/* %endif */
+
+/* %if-c++-only */
+/* %endif */
+
+/* Initializes or reinitializes a buffer.
+ * This function is sometimes called more than once on the same buffer,
+ * such as during a gram_restart() or at EOF.
+ */
+/* %if-c-only */
+    static void gram__init_buffer  (YY_BUFFER_STATE  b, FILE * file )
+/* %endif */
+/* %if-c++-only */
+/* %endif */
+
+{
+        int oerrno = errno;
+    
+        gram__flush_buffer(b );
+
+        b->yy_input_file = file;
+        b->yy_fill_buffer = 1;
+
+    /* If b is the current buffer, then gram__init_buffer was _probably_
+     * called from gram_restart() or through yy_get_next_buffer.
+     * In that case, we don't want to reset the lineno or column.
+     */
+    if (b != YY_CURRENT_BUFFER){
+        b->yy_bs_lineno = 1;
+        b->yy_bs_column = 0;
+    }
+
+/* %if-c-only */
+
+        b->yy_is_interactive = 0;
+    
+/* %endif */
+/* %if-c++-only */
+/* %endif */
+        errno = oerrno;
+}
+
+/** Discard all buffered characters. On the next scan, YY_INPUT will be called.
+ * @param b the buffer state to be flushed, usually @c YY_CURRENT_BUFFER.
+ * 
+ */
+/* %if-c-only */
+    void gram__flush_buffer (YY_BUFFER_STATE  b )
+/* %endif */
+/* %if-c++-only */
+/* %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 )
+                gram__load_buffer_state( );
+}
+
+/* %if-c-or-c++ */
+/** Pushes the new state onto the stack. The new state becomes
+ *  the current state. This function will allocate the stack
+ *  if necessary.
+ *  @param new_buffer The new state.
+ *  
+ */
+/* %if-c-only */
+void gram_push_buffer_state (YY_BUFFER_STATE new_buffer )
+/* %endif */
+/* %if-c++-only */
+/* %endif */
+{
+        if (new_buffer == NULL)
+                return;
+
+        gram_ensure_buffer_stack();
+
+        /* This block is copied from gram__switch_to_buffer. */
+        if ( YY_CURRENT_BUFFER )
+                {
+                /* Flush out information for old buffer. */
+                *(yy_c_buf_p) = (yy_hold_char);
+                YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p);
+                YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
+                }
+
+        /* Only push if top exists. Otherwise, replace top. */
+        if (YY_CURRENT_BUFFER)
+                (yy_buffer_stack_top)++;
+        YY_CURRENT_BUFFER_LVALUE = new_buffer;
+
+        /* copied from gram__switch_to_buffer. */
+        gram__load_buffer_state( );
+        (yy_did_buffer_switch_on_eof) = 1;
+}
+/* %endif */
+
+/* %if-c-or-c++ */
+/** Removes and deletes the top of the stack, if present.
+ *  The next element becomes the new top.
+ *  
+ */
+/* %if-c-only */
+void gram_pop_buffer_state (void)
+/* %endif */
+/* %if-c++-only */
+/* %endif */
+{
+        if (!YY_CURRENT_BUFFER)
+                return;
+
+        gram__delete_buffer(YY_CURRENT_BUFFER );
+        YY_CURRENT_BUFFER_LVALUE = NULL;
+        if ((yy_buffer_stack_top) > 0)
+                --(yy_buffer_stack_top);
+
+        if (YY_CURRENT_BUFFER) {
+                gram__load_buffer_state( );
+                (yy_did_buffer_switch_on_eof) = 1;
+        }
+}
+/* %endif */
+
+/* %if-c-or-c++ */
+/* Allocates the stack if it does not exist.
+ *  Guarantees space for at least one push.
+ */
+/* %if-c-only */
+static void gram_ensure_buffer_stack (void)
+/* %endif */
+/* %if-c++-only */
+/* %endif */
+{
+        int num_to_alloc;
+    
+        if (!(yy_buffer_stack)) {
+
+                /* First allocation is just for 2 elements, since we don't know if this
+                 * scanner will even need a stack. We use 2 instead of 1 to avoid an
+                 * immediate realloc on the next call.
+         */
+                num_to_alloc = 1;
+                (yy_buffer_stack) = (struct yy_buffer_state**)gram_alloc
+                                                                (num_to_alloc * sizeof(struct yy_buffer_state*)
+                                                                );
+                if ( ! (yy_buffer_stack) )
+                        YY_FATAL_ERROR( "out of dynamic memory in gram_ensure_buffer_stack()" );
+                                                                  
+                memset((yy_buffer_stack), 0, num_to_alloc * sizeof(struct yy_buffer_state*));
+                                
+                (yy_buffer_stack_max) = num_to_alloc;
+                (yy_buffer_stack_top) = 0;
+                return;
+        }
+
+        if ((yy_buffer_stack_top) >= ((yy_buffer_stack_max)) - 1){
+
+                /* Increase the buffer to prepare for a possible push. */
+                int grow_size = 8 /* arbitrary grow size */;
+
+                num_to_alloc = (yy_buffer_stack_max) + grow_size;
+                (yy_buffer_stack) = (struct yy_buffer_state**)gram_realloc
+                                                                ((yy_buffer_stack),
+                                                                num_to_alloc * sizeof(struct yy_buffer_state*)
+                                                                );
+                if ( ! (yy_buffer_stack) )
+                        YY_FATAL_ERROR( "out of dynamic memory in gram_ensure_buffer_stack()" );
+
+                /* zero only the new slots.*/
+                memset((yy_buffer_stack) + (yy_buffer_stack_max), 0, grow_size * sizeof(struct yy_buffer_state*));
+                (yy_buffer_stack_max) = num_to_alloc;
+        }
+}
+/* %endif */
+
+/* %if-c-only */
+/** Setup the input buffer state to scan directly from a user-specified character buffer.
+ * @param base the character buffer
+ * @param size the size in bytes of the character buffer
+ * 
+ * @return the newly allocated buffer state object. 
+ */
+YY_BUFFER_STATE gram__scan_buffer  (char * base, yy_size_t  size )
+{
+        YY_BUFFER_STATE b;
+    
+        if ( size < 2 ||
+             base[size-2] != YY_END_OF_BUFFER_CHAR ||
+             base[size-1] != YY_END_OF_BUFFER_CHAR )
+                /* They forgot to leave room for the EOB's. */
+                return 0;
+
+        b = (YY_BUFFER_STATE) gram_alloc(sizeof( struct yy_buffer_state )  );
+        if ( ! b )
+                YY_FATAL_ERROR( "out of dynamic memory in gram__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;
+
+        gram__switch_to_buffer(b  );
+
+        return b;
+}
+/* %endif */
+
+/* %if-c-only */
+/** Setup the input buffer state to scan a string. The next call to gram_lex() will
+ * scan from a @e copy of @a str.
+ * @param yystr a NUL-terminated string to scan
+ * 
+ * @return the newly allocated buffer state object.
+ * @note If you want to scan bytes that may contain NUL values, then use
+ *       gram__scan_bytes() instead.
+ */
+YY_BUFFER_STATE gram__scan_string (yyconst char * yystr )
+{
+    
+        return gram__scan_bytes(yystr,strlen(yystr) );
+}
+/* %endif */
+
+/* %if-c-only */
+/** Setup the input buffer state to scan the given bytes. The next call to gram_lex() will
+ * scan from a @e copy of @a bytes.
+ * @param bytes the byte buffer to scan
+ * @param len the number of bytes in the buffer pointed to by @a bytes.
+ * 
+ * @return the newly allocated buffer state object.
+ */
+YY_BUFFER_STATE gram__scan_bytes  (yyconst char * yybytes, int  _yybytes_len )
+{
+        YY_BUFFER_STATE b;
+        char *buf;
+        yy_size_t n;
+        int i;
+    
+        /* Get memory for full buffer, including space for trailing EOB's. */
+        n = _yybytes_len + 2;
+        buf = (char *) gram_alloc(n  );
+        if ( ! buf )
+                YY_FATAL_ERROR( "out of dynamic memory in gram__scan_bytes()" );
+
+        for ( i = 0; i < _yybytes_len; ++i )
+                buf[i] = yybytes[i];
+
+        buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR;
+
+        b = gram__scan_buffer(buf,n );
+        if ( ! b )
+                YY_FATAL_ERROR( "bad buffer in gram__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_EXIT_FAILURE
+#define YY_EXIT_FAILURE 2
+#endif
+
+/* %if-c-only */
+static void yy_fatal_error (yyconst char* msg )
+{
+        (void) fprintf( stderr, "%s\n", msg );
+        exit( YY_EXIT_FAILURE );
+}
+/* %endif */
+/* %if-c++-only */
+/* %endif */
+
+/* Redefine yyless() so it works in section 3 code. */
+
+#undef yyless
+#define yyless(n) \
+        do \
+                { \
+                /* Undo effects of setting up gram_text. */ \
+        int yyless_macro_arg = (n); \
+        YY_LESS_LINENO(yyless_macro_arg);\
+                gram_text[gram_leng] = (yy_hold_char); \
+                (yy_c_buf_p) = gram_text + yyless_macro_arg; \
+                (yy_hold_char) = *(yy_c_buf_p); \
+                *(yy_c_buf_p) = '\0'; \
+                gram_leng = yyless_macro_arg; \
+                } \
+        while ( 0 )
+
+/* Accessor  methods (get/set functions) to struct members. */
+
+/* %if-c-only */
+/* %if-reentrant */
+/* %endif */
+
+/** Get the current line number.
+ * 
+ */
+int gram_get_lineno  (void)
+{
+        
+    return gram_lineno;
+}
+
+/** Get the input stream.
+ * 
+ */
+FILE *gram_get_in  (void)
+{
+        return gram_in;
+}
+
+/** Get the output stream.
+ * 
+ */
+FILE *gram_get_out  (void)
+{
+        return gram_out;
+}
+
+/** Get the length of the current token.
+ * 
+ */
+int gram_get_leng  (void)
+{
+        return gram_leng;
+}
+
+/** Get the current token.
+ * 
+ */
+
+char *gram_get_text  (void)
+{
+        return gram_text;
+}
+
+/* %if-reentrant */
+/* %endif */
+
+/** Set the current line number.
+ * @param line_number
+ * 
+ */
+void gram_set_lineno (int  line_number )
+{
+    
+    gram_lineno = line_number;
+}
+
+/** Set the input stream. This does not discard the current
+ * input buffer.
+ * @param in_str A readable stream.
+ * 
+ * @see gram__switch_to_buffer
+ */
+void gram_set_in (FILE *  in_str )
+{
+        gram_in = in_str ;
+}
+
+void gram_set_out (FILE *  out_str )
+{
+        gram_out = out_str ;
+}
+
+int gram_get_debug  (void)
+{
+        return gram__flex_debug;
+}
+
+void gram_set_debug (int  bdebug )
+{
+        gram__flex_debug = bdebug ;
+}
+
+/* %endif */
+
+/* %if-reentrant */
+/* %if-bison-bridge */
+/* %endif */
+/* %endif if-c-only */
+
+/* %if-c-only */
+static int yy_init_globals (void)
+{
+        /* Initialization is the same as for the non-reentrant scanner.
+     * This function is called from gram_lex_destroy(), so don't allocate here.
+     */
+
+    (yy_buffer_stack) = 0;
+    (yy_buffer_stack_top) = 0;
+    (yy_buffer_stack_max) = 0;
+    (yy_c_buf_p) = (char *) 0;
+    (yy_init) = 0;
+    (yy_start) = 0;
+
+/* Defined in main.c */
+#ifdef YY_STDINIT
+    gram_in = stdin;
+    gram_out = stdout;
+#else
+    gram_in = (FILE *) 0;
+    gram_out = (FILE *) 0;
+#endif
+
+    /* For future reference: Set errno on error, since we are called by
+     * gram_lex_init()
+     */
+    return 0;
+}
+/* %endif */
+
+/* %if-c-only SNIP! this currently causes conflicts with the c++ scanner */
+/* gram_lex_destroy is for both reentrant and non-reentrant scanners. */
+int gram_lex_destroy  (void)
+{
+    
+    /* Pop the buffer stack, destroying each element. */
+        while(YY_CURRENT_BUFFER){
+                gram__delete_buffer(YY_CURRENT_BUFFER  );
+                YY_CURRENT_BUFFER_LVALUE = NULL;
+                gram_pop_buffer_state();
+        }
+
+        /* Destroy the stack itself. */
+        gram_free((yy_buffer_stack) );
+        (yy_buffer_stack) = NULL;
+
+    /* Reset the globals. This is important in a non-reentrant scanner so the next time
+     * gram_lex() is called, initialization will occur. */
+    yy_init_globals( );
+
+/* %if-reentrant */
+/* %endif */
+    return 0;
+}
+/* %endif */
+
+/*
+ * Internal utility routines.
+ */
+
+#ifndef yytext_ptr
+static void yy_flex_strncpy (char* s1, yyconst char * s2, int n )
+{
+        register int i;
+        for ( i = 0; i < n; ++i )
+                s1[i] = s2[i];
+}
+#endif
+
+#ifdef YY_NEED_STRLEN
+static int yy_flex_strlen (yyconst char * s )
+{
+        register int n;
+        for ( n = 0; s[n]; ++n )
+                ;
+
+        return n;
+}
+#endif
+
+void *gram_alloc (yy_size_t  size )
+{
+        return (void *) malloc( size );
+}
+
+void *gram_realloc  (void * ptr, yy_size_t  size )
+{
+        /* The cast to (char *) in the following accommodates both
+         * implementations that use char* generic pointers, and those
+         * that use void* generic pointers.  It works with the latter
+         * 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 );
+}
+
+void gram_free (void * ptr )
+{
+        free( (char *) ptr );   /* see gram_realloc() for (char *) cast */
+}
+
+/* %if-tables-serialization definitions */
+/* %define-yytables   The name for this specific scanner's tables. */
+#define YYTABLES_NAME "yytables"
+/* %endif */
+
+/* %ok-for-header */
+
+#line 591 "scan-gram.l"
+
+
+
+/* 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 bytes_read = fread (buf, 1, size, fp);
+  if (bytes_read)
+    {
+      char *w = memchr (buf, '\r', bytes_read);
+      if (w)
+        {
+          char const *r = ++w;
+          char const *lim = buf + bytes_read;
+
+          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 bytes_read;
+}
+
+
+
+/*------------------------------------------------------.
+| Scan NUMBER for a base-BASE integer at location LOC.  |
+`------------------------------------------------------*/
+
+static unsigned long int
+scan_integer (char const *number, int base, location loc)
+{
+  verify (INT_MAX < ULONG_MAX);
+  unsigned long int num = strtoul (number, NULL, base);
+
+  if (INT_MAX < num)
+    {
+      complain_at (loc, _("integer out of range: %s"), quote (number));
+      num = INT_MAX;
+    }
+
+  return num;
+}
+
+
+/*------------------------------------------------------------------.
+| 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)
+{
+  verify (UCHAR_MAX <= INT_MAX);
+  unsigned long int code = strtoul (ucn + 2, NULL, 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 are 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;
+}
+
+
+/*----------------------------------------------------------------.
+| Handle `#line INT "FILE"'.  ARGS has already skipped `#line '.  |
+`----------------------------------------------------------------*/
+
+static void
+handle_syncline (char *args, location loc)
+{
+  char *after_num;
+  unsigned long int lineno = strtoul (args, &after_num, 10);
+  char *file = strchr (after_num, '"') + 1;
+  *strchr (file, '"') = '\0';
+  if (INT_MAX <= lineno)
+    {
+      warn_at (loc, _("line number overflow"));
+      lineno = INT_MAX;
+    }
+  current_file = uniqstr_new (file);
+  boundary_set (&scanner_cursor, current_file, lineno, 1);
+}
+
+
+/*----------------------------------------------------------------.
+| For a token or comment starting at START, report message MSGID, |
+| which should say that an end marker was found before            |
+| the expected TOKEN_END.                                         |
+`----------------------------------------------------------------*/
+
+static void
+unexpected_end (boundary start, char const *msgid, char const *token_end)
+{
+  location loc;
+  loc.start = start;
+  loc.end = scanner_cursor;
+  complain_at (loc, _(msgid), token_end);
+}
+
+
+/*------------------------------------------------------------------------.
+| Report an unexpected EOF in a token or comment starting at START.       |
+| An end of file was encountered and the expected TOKEN_END was missing.  |
+`------------------------------------------------------------------------*/
+
+static void
+unexpected_eof (boundary start, char const *token_end)
+{
+  unexpected_end (start, N_("missing `%s' at end of file"), token_end);
+}
+
+
+/*----------------------------------------.
+| Likewise, but for unexpected newlines.  |
+`----------------------------------------*/
+
+static void
+unexpected_newline (boundary start, char const *token_end)
+{
+  unexpected_end (start, N_("missing `%s' at end of line"), token_end);
+}
+
+
+/*-------------------------.
+| Initialize the scanner.  |
+`-------------------------*/
+
+void
+gram_scanner_initialize (void)
+{
+  obstack_init (&obstack_for_string);
+}
+
+
+/*-----------------------------------------------.
+| Free all the memory allocated to the scanner.  |
+`-----------------------------------------------*/
+
+void
+gram_scanner_free (void)
+{
+  obstack_free (&obstack_for_string, 0);
+  /* Reclaim Flex's buffers.  */
+  gram_lex_destroy ();
+}
+