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- /* A lexical scanner generated by flex */
-
- #ifdef MSDOS
- #include "\LIB\fskeldef.h"
- #else
- #include "\LIB\flexskeldef.h"
- #endif
-
- %% section 1 code and data tables for DFA go here
-
- /* these declarations have to come after the section 1 code or lint gets
- * confused about whether the variables are used
- */
- FILE *yyin = stdin, *yyout = stdout;
-
- /* these variables are all declared out here so that section 3 code can
- * manipulate them
- */
- static int yy_start, yy_b_buf_p, yy_c_buf_p, yy_e_buf_p;
- static int yy_saw_eof, yy_init = 1;
-
- /* yy_ch_buf has to be 1 character longer than YY_BUF_SIZE, since when
- * setting up yytext we can try to put a '\0' just past the end of the
- * matched text
- */
- static char yy_ch_buf[YY_BUF_SIZE + 1];
- static int yy_st_buf[YY_BUF_SIZE];
- static char yy_hold_char;
- char *yytext;
- static int yyleng;
-
- YY_DECL
- {
- int yy_n_chars, yy_lp, yy_iii, yy_buf_pos, yy_act;
-
- %% user's declarations go here
-
- if ( yy_init )
- {
- YY_INIT;
- yy_start = 1;
- yy_init = 0;
- }
-
- goto get_next_token;
-
- do_action:
- for ( ; ; )
- {
- YY_DO_BEFORE_ACTION
-
- #ifdef FLEX_DEBUG
- fprintf( stderr, "--accepting rule #%d\n", yy_act );
- #endif
- switch ( yy_act )
- {
- %% actions go here
-
- case YY_NEW_FILE:
- break; /* begin reading from new file */
-
- case YY_DO_DEFAULT:
- YY_DEFAULT_ACTION;
- break;
-
- case YY_END_TOK:
- return ( YY_END_TOK );
-
- default:
- YY_FATAL_ERROR( "fatal flex scanner internal error" );
- }
-
- get_next_token:
- {
- register int yy_curst;
- register char yy_sym;
-
- YY_DO_BEFORE_SCAN
-
- /* set up to begin running DFA */
-
- yy_curst = yy_start;
-
- if ( yy_ch_buf[yy_c_buf_p] == '\n' )
- ++yy_curst;
-
- /* yy_b_buf_p points to the position in yy_ch_buf
- * of the start of the current run.
- */
-
- yy_b_buf_p = yy_c_buf_p + 1;
-
- do /* until the machine jams */
- {
- if ( yy_c_buf_p == yy_e_buf_p )
- { /* need more input */
- if ( yy_e_buf_p >= YY_BUF_LIM )
- { /* not enough room to do another read */
- /* see if we can make some room for more chars */
-
- yy_n_chars = yy_e_buf_p - yy_b_buf_p;
-
- if ( yy_n_chars >= 0 )
- /* shift down buffer to make room */
- for ( yy_iii = 0; yy_iii <= yy_n_chars; ++yy_iii )
- {
- yy_buf_pos = yy_b_buf_p + yy_iii;
- yy_ch_buf[yy_iii] = yy_ch_buf[yy_buf_pos];
- yy_st_buf[yy_iii] = yy_st_buf[yy_buf_pos];
- }
-
- yy_b_buf_p = 0;
- yy_e_buf_p = yy_n_chars;
-
- if ( yy_e_buf_p >= YY_BUF_LIM )
- YY_FATAL_ERROR( "flex input buffer overflowed" );
-
- yy_c_buf_p = yy_e_buf_p;
- }
-
- else if ( yy_saw_eof )
- {
- saweof: if ( yy_b_buf_p > yy_e_buf_p )
- {
- if ( yywrap() )
- {
- yy_act = YY_END_TOK;
- goto do_action;
- }
-
- else
- {
- YY_INIT;
- yy_act = YY_NEW_FILE;
- goto do_action;
- }
- }
-
- else /* do a jam to eat up more input */
- {
- #ifndef FLEX_INTERACTIVE_SCANNER
- /* we're going to decrement yy_c_buf_p upon doing
- * the jam. In this case, that's wrong, since
- * it points to the last non-jam character. So
- * we increment it now to counter the decrement.
- */
- ++yy_c_buf_p;
- #endif
- break;
- }
- }
-
- YY_INPUT( (yy_ch_buf + yy_c_buf_p + 1), yy_n_chars,
- YY_MAX_LINE );
-
- if ( yy_n_chars == YY_NULL )
- {
- if ( yy_saw_eof )
- YY_FATAL_ERROR( "flex scanner saw EOF twice - shouldn't happen" );
- yy_saw_eof = 1;
- goto saweof;
- }
-
- yy_e_buf_p += yy_n_chars;
- }
-
- ++yy_c_buf_p;
-
- #ifdef FLEX_USE_ECS
- yy_sym = e[yy_ch_buf[yy_c_buf_p]];
- #else
- yy_sym = yy_ch_buf[yy_c_buf_p];
- #endif
-
- #ifdef FLEX_FULL_TABLE
- yy_curst = n[yy_curst][yy_sym];
-
- #else /* get next state from compressed table */
-
- while ( c[b[yy_curst] + yy_sym] != yy_curst )
- {
- yy_curst = d[yy_curst];
-
- #ifdef FLEX_USE_MECS
- /* we've arrange it so that templates are never chained
- * to one another. This means we can afford make a
- * very simple test to see if we need to convert to
- * yy_sym's meta-equivalence class without worrying
- * about erroneously looking up the meta-equivalence
- * class twice
- */
-
- if ( yy_curst >= YY_TEMPLATE )
- yy_sym = m[yy_sym];
- #endif
- }
-
- yy_curst = n[b[yy_curst] + yy_sym];
-
- #endif
-
- yy_st_buf[yy_c_buf_p] = yy_curst;
-
- }
- #ifdef FLEX_INTERACTIVE_SCANNER
- while ( b[yy_curst] != YY_JAM_BASE );
- #else
- while ( yy_curst != YY_JAM );
- --yy_c_buf_p; /* put back character we jammed on */
-
- #endif
-
- if ( yy_c_buf_p >= yy_b_buf_p )
- { /* we matched some text */
- yy_curst = yy_st_buf[yy_c_buf_p];
- yy_lp = l[yy_curst];
-
- #ifdef FLEX_REJECT_ENABLED
- find_rule: /* we branch to this label when doing a REJECT */
- #endif
-
- for ( ; ; ) /* until we find what rule we matched */
- {
- #ifdef FLEX_REJECT_ENABLED
- if ( yy_lp && yy_lp < l[yy_curst + 1] )
- {
- yy_act = a[yy_lp];
- goto do_action; /* "continue 2" */
- }
- #else
- if ( yy_lp )
- {
- yy_act = yy_lp;
- goto do_action; /* "continue 2" */
- }
- #endif
-
- if ( --yy_c_buf_p < yy_b_buf_p )
- break;
-
- yy_curst = yy_st_buf[yy_c_buf_p];
- yy_lp = l[yy_curst];
- }
- }
-
- /* if we got this far, then we didn't find any accepting
- * states
- */
-
- /* so that the default applies to the first char read */
- ++yy_c_buf_p;
-
- yy_act = YY_DO_DEFAULT;
- }
- }
-
- /*NOTREACHED*/
- }
-
-
- /* static int unput( c ) */
- void unput( c ) /* This seems more correct - Tim Capps */
- char c;
-
- {
- YY_DO_BEFORE_SCAN; /* undo effects of setting up yytext */
-
- if ( yy_c_buf_p == 0 )
- {
- register int i;
- register int yy_buf_pos = YY_BUF_MAX;
-
- for ( i = yy_e_buf_p; i >= yy_c_buf_p; --i )
- {
- yy_ch_buf[yy_buf_pos] = yy_ch_buf[i];
- yy_st_buf[yy_buf_pos] = yy_st_buf[i];
- --yy_buf_pos;
- }
-
- yy_c_buf_p = YY_BUF_MAX - yy_e_buf_p;
- yy_e_buf_p = YY_BUF_MAX;
- }
-
- if ( yy_c_buf_p <= 0 )
- YY_FATAL_ERROR( "flex scanner push-back overflow" );
-
- if ( yy_c_buf_p >= yy_b_buf_p && yy_ch_buf[yy_c_buf_p] == '\n' )
- yy_ch_buf[yy_c_buf_p - 1] = '\n';
-
- yy_ch_buf[yy_c_buf_p--] = c;
-
- YY_DO_BEFORE_ACTION; /* set up yytext again */
- }
-
-
- static int input()
-
- {
- int c;
-
- YY_DO_BEFORE_SCAN
-
- if ( yy_c_buf_p == yy_e_buf_p )
- { /* need more input */
- int yy_n_chars;
-
- /* we can throw away the entire current buffer */
- if ( yy_saw_eof )
- {
- if ( yywrap() )
- return ( EOF );
-
- YY_INIT;
- }
-
- yy_b_buf_p = 0;
- YY_INPUT( yy_ch_buf, yy_n_chars, YY_MAX_LINE );
-
- if ( yy_n_chars == YY_NULL )
- {
- yy_saw_eof = 1;
-
- if ( yywrap() )
- return ( EOF );
-
- YY_INIT;
-
- return ( input() );
- }
-
- yy_c_buf_p = -1;
- yy_e_buf_p = yy_n_chars - 1;
- }
-
- c = yy_ch_buf[++yy_c_buf_p];
-
- YY_DO_BEFORE_ACTION;
-
- return ( c );
- }