1 /* A lexical scanner generated by flex */
3 /* scanner skeleton version:
5 Last change: JS 13 Jul 97 6:17 pm
13 /* cfront 1.2 defines "c_plusplus" instead of "__cplusplus" */
26 /* use prototypes in function declarations */
29 /* the "const" storage-class-modifier is valid */
32 #else /* ! __cplusplus */
46 #endif /* ! __cplusplus */
60 #define YY_PROTO(proto) proto
62 #define YY_PROTO(proto) ()
63 /* we can't get here if it's an ANSI C compiler, or a C++ compiler,
64 * so it's got to be a K&R compiler, and therefore there's no standard
65 * place from which to include these definitions
76 /* amount of stuff to slurp up with each read */
77 #ifndef YY_READ_BUF_SIZE
78 #define YY_READ_BUF_SIZE 8192
81 /* returned upon end-of-file */
84 /* copy whatever the last rule matched to the standard output */
86 /* cast to (char *) is because for 8-bit chars, yytext is (unsigned char *) */
87 /* this used to be an fputs(), but since the string might contain NUL's,
90 #define ECHO (void) fwrite( (char *) yytext, yyleng, 1, yyout )
92 /* gets input and stuffs it into "buf". number of characters read, or YY_NULL,
93 * is returned in "result".
95 #define YY_INPUT(buf,result,max_size) \
96 if ( (result = read( fileno(yyin), (char *) buf, max_size )) < 0 ) \
97 YY_FATAL_ERROR( "read() in flex scanner failed" );
100 /* no semi-colon after return; correct usage is to write "yyterminate();" -
101 * we don't want an extra ';' after the "return" because that will cause
102 * some compilers to complain about unreachable statements.
104 #define yyterminate() return ( YY_NULL )
106 /* report a fatal error */
108 /* The funky do-while is used to turn this macro definition into
109 * a single C statement (which needs a semi-colon terminator).
110 * This avoids problems with code like:
112 * if ( something_happens )
113 * YY_FATAL_ERROR( "oops, the something happened" );
117 * Prior to using the do-while the compiler would get upset at the
118 * "else" because it interpreted the "if" statement as being all
119 * done when it reached the ';' after the YY_FATAL_ERROR() call.
122 #define YY_FATAL_ERROR(msg) \
125 (void) fputs( msg, stderr ); \
126 (void) putc( '\n', stderr ); \
131 /* default yywrap function - always treat EOF as an EOF */
132 int yywrap(void) { return 1; }
135 /* enter a start condition. This macro really ought to take a parameter,
136 * but we do it the disgusting crufty way forced on us by the ()-less
137 * definition of BEGIN
139 #define BEGIN yy_start = 1 + 2 *
141 /* action number for EOF rule of a given start state */
142 #define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1)
144 /* special action meaning "start processing a new file" */
145 #define YY_NEW_FILE \
148 yy_init_buffer( yy_current_buffer, yyin ); \
149 yy_load_buffer_state(); \
153 /* default declaration of generated scanner - a define so the user can
154 * easily add parameters
156 #define YY_DECL int yylex YY_PROTO(( void ))
158 /* code executed at the end of each rule */
159 #define YY_BREAK break;
161 #define YY_END_OF_BUFFER_CHAR 0
164 #define YY_BUF_SIZE (YY_READ_BUF_SIZE * 2) /* size of default input buffer */
167 typedef struct yy_buffer_state
*YY_BUFFER_STATE
;
169 #define YY_CHAR unsigned char
175 * Description: Lexical analyser for PROLOGIO; can be used with
176 * either lex and flex.
180 /* +++steve162e: added, otherwise, PROIO_input will be undefined (at least under LINUX)
181 please check, if this is also TRUE under other UNIXes.
184 #if defined(FLEX_SCANNER) && defined(_LINUX)
185 #define PROIO_input my_input
191 extern char *malloc();
193 #define Return(x) return x;
195 #if defined(VMS) && ( __VMS_VER < 70000000 )
196 #define strdup(s) (strcpy((char *)malloc(strlen(s)+1), s));
199 static size_t lex_buffer_length
= 0;
200 static const char *lex_buffer
= NULL
;
201 static size_t lex_string_ptr
= 0;
202 static int lex_read_from_string
= 0;
204 static int my_input(void);
205 static int my_unput(char);
209 # define YY_INPUT(buf,result,max_size) \
210 if (lex_read_from_string) \
211 { int c = my_input(); result = (c == 0) ? YY_NULL : ((buf)[0]=(c), 1); } \
213 if ( (result = read( fileno(yyin), (char *) buf, max_size )) < 0 ) \
214 YY_FATAL_ERROR( "read() in flex scanner failed" );
217 # define unput(_c) my_unput(_c)
222 /* done after the current pattern has been matched and before the
223 * corresponding action - sets up yytext
225 #define YY_DO_BEFORE_ACTION \
227 yyleng = yy_cp - yy_bp; \
228 yy_hold_char = *yy_cp; \
232 #define EOB_ACT_CONTINUE_SCAN 0
233 #define EOB_ACT_END_OF_FILE 1
234 #define EOB_ACT_LAST_MATCH 2
236 /* return all but the first 'n' matched characters back to the input stream */
240 /* undo effects of setting up yytext */ \
241 *yy_cp = yy_hold_char; \
242 yy_c_buf_p = yy_cp = yy_bp + n; \
243 YY_DO_BEFORE_ACTION; /* set up yytext again */ \
248 #define unput(c) yyunput( c, yytext )
251 struct yy_buffer_state
255 YY_CHAR
*yy_ch_buf
; /* input buffer */
256 YY_CHAR
*yy_buf_pos
; /* current position in input buffer */
258 /* size of input buffer in bytes, not including room for EOB characters*/
261 /* number of characters read into yy_ch_buf, not including EOB characters */
264 int yy_eof_status
; /* whether we've seen an EOF on this buffer */
265 #define EOF_NOT_SEEN 0
266 /* "pending" happens when the EOF has been seen but there's still
269 #define EOF_PENDING 1
273 static YY_BUFFER_STATE yy_current_buffer
;
275 /* we provide macros for accessing buffer states in case in the
276 * future we want to put the buffer states in a more general
279 #define YY_CURRENT_BUFFER yy_current_buffer
282 /* yy_hold_char holds the character lost when yytext is formed */
283 static YY_CHAR yy_hold_char
;
285 static int yy_n_chars
; /* number of characters read into yy_ch_buf */
289 #ifndef YY_USER_ACTION
290 #define YY_USER_ACTION
297 extern YY_CHAR
*yytext
;
299 extern FILE *yyin
, *yyout
;
304 FILE *yyin
= (FILE *) 0, *yyout
= (FILE *) 0;
306 #define YY_END_OF_BUFFER 18
307 typedef int yy_state_type
;
308 static const short int yy_accept
[34] =
310 0, 0, 18, 16, 13, 14, 16, 16, 6, 7,
311 16, 8, 12, 16, 1, 11, 3, 9, 10, 2,
312 0, 5, 0, 0, 0, 4, 1, 15, 3, 5,
316 static const YY_CHAR yy_ec
[256] =
318 1, 1, 1, 1, 1, 1, 1, 1, 2, 3,
319 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
320 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
321 1, 2, 1, 4, 1, 1, 1, 1, 5, 6,
322 7, 8, 9, 10, 9, 11, 12, 13, 13, 13,
323 13, 13, 13, 13, 13, 13, 13, 1, 1, 1,
324 14, 1, 1, 1, 15, 15, 15, 15, 15, 15,
325 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
326 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
327 16, 17, 18, 1, 15, 1, 15, 15, 15, 15,
329 19, 15, 15, 15, 15, 15, 15, 15, 15, 15,
330 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
331 15, 15, 1, 20, 1, 1, 1, 1, 1, 1,
332 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
333 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
334 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
335 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
336 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
337 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
338 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
340 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
341 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
342 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
343 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
344 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
348 static const YY_CHAR yy_meta
[21] =
350 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
351 1, 1, 2, 1, 2, 1, 3, 1, 2, 1
354 static const short int yy_base
[37] =
356 0, 0, 48, 55, 55, 55, 17, 42, 55, 55,
357 19, 55, 55, 23, 17, 55, 0, 55, 55, 0,
358 18, 55, 19, 23, 21, 55, 12, 55, 0, 24,
359 25, 29, 55, 49, 52, 22
362 static const short int yy_def
[37] =
364 33, 1, 33, 33, 33, 33, 34, 35, 33, 33,
365 33, 33, 33, 33, 33, 33, 36, 33, 33, 36,
366 34, 33, 34, 34, 35, 33, 33, 33, 36, 34,
367 34, 34, 0, 33, 33, 33
370 static const short int yy_nxt
[76] =
372 4, 5, 6, 7, 8, 9, 10, 4, 11, 12,
373 13, 14, 15, 16, 17, 18, 4, 19, 20, 4,
374 22, 22, 30, 29, 27, 26, 22, 22, 30, 27,
375 28, 27, 30, 23, 23, 23, 24, 24, 24, 31,
376 23, 32, 24, 24, 24, 23, 26, 33, 24, 21,
377 21, 21, 25, 25, 3, 33, 33, 33, 33, 33,
378 33, 33, 33, 33, 33, 33, 33, 33, 33, 33,
382 static const short int yy_chk
[76] =
384 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
385 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
386 7, 21, 23, 36, 27, 25, 24, 30, 31, 15,
387 14, 11, 32, 7, 21, 23, 7, 21, 23, 24,
388 30, 31, 24, 30, 31, 32, 8, 3, 32, 34,
389 34, 34, 35, 35, 33, 33, 33, 33, 33, 33,
390 33, 33, 33, 33, 33, 33, 33, 33, 33, 33,
394 static yy_state_type yy_last_accepting_state
;
395 static YY_CHAR
*yy_last_accepting_cpos
;
397 /* the intent behind this definition is that it'll catch
398 * any uses of REJECT which flex missed
400 #define REJECT reject_used_but_not_detected
401 #define yymore() yymore_used_but_not_detected
402 #define YY_MORE_ADJ 0
404 /* these variables are all declared out here so that section 3 code can
407 /* points to current character in buffer */
408 static YY_CHAR
*yy_c_buf_p
= (YY_CHAR
*) 0;
409 static int yy_init
= 1; /* whether we need to initialize */
410 static int yy_start
= 0; /* start state number */
412 /* flag which is used to allow yywrap()'s to do buffer switches
413 * instead of setting up a fresh yyin. A bit of a hack ...
415 static int yy_did_buffer_switch_on_eof
;
417 static yy_state_type yy_get_previous_state
YY_PROTO(( void ));
418 static yy_state_type yy_try_NUL_trans
YY_PROTO(( yy_state_type current_state
));
419 static int yy_get_next_buffer
YY_PROTO(( void ));
420 static void yyunput
YY_PROTO(( YY_CHAR c
, YY_CHAR
*buf_ptr
));
421 void yyrestart
YY_PROTO(( FILE *input_file
));
422 void yy_switch_to_buffer
YY_PROTO(( YY_BUFFER_STATE new_buffer
));
423 void yy_load_buffer_state
YY_PROTO(( void ));
424 YY_BUFFER_STATE yy_create_buffer
YY_PROTO(( FILE *file
, int size
));
425 void yy_delete_buffer
YY_PROTO(( YY_BUFFER_STATE b
));
426 void yy_init_buffer
YY_PROTO(( YY_BUFFER_STATE b
, FILE *file
));
428 #define yy_new_buffer yy_create_buffer
431 static int yyinput
YY_PROTO(( void ));
433 static int input
YY_PROTO(( void ));
438 register yy_state_type yy_current_state
;
439 register YY_CHAR
*yy_cp
, *yy_bp
;
450 yy_start
= 1; /* first start state */
458 if ( yy_current_buffer
)
459 yy_init_buffer( yy_current_buffer
, yyin
);
461 yy_current_buffer
= yy_create_buffer( yyin
, YY_BUF_SIZE
);
463 yy_load_buffer_state();
468 while ( 1 ) /* loops until end-of-file is reached */
472 /* support of yytext */
473 *yy_cp
= yy_hold_char
;
475 /* yy_bp points to the position in yy_ch_buf of the start of the
480 yy_current_state
= yy_start
;
484 register YY_CHAR yy_c
= yy_ec
[*yy_cp
];
485 if ( yy_accept
[yy_current_state
] )
487 yy_last_accepting_state
= yy_current_state
;
488 yy_last_accepting_cpos
= yy_cp
;
490 while ( yy_chk
[yy_base
[yy_current_state
] + yy_c
] != yy_current_state
)
492 yy_current_state
= yy_def
[yy_current_state
];
493 if ( yy_current_state
>= 34 )
494 yy_c
= yy_meta
[yy_c
];
496 yy_current_state
= yy_nxt
[yy_base
[yy_current_state
] + yy_c
];
499 while ( yy_current_state
!= 33 );
500 yy_cp
= yy_last_accepting_cpos
;
501 yy_current_state
= yy_last_accepting_state
;
504 yy_act
= yy_accept
[yy_current_state
];
509 do_action
: /* this label is used only to access EOF actions */
514 case 0: /* must backtrack */
515 /* undo the effects of YY_DO_BEFORE_ACTION */
516 *yy_cp
= yy_hold_char
;
517 yy_cp
= yy_last_accepting_cpos
;
518 yy_current_state
= yy_last_accepting_state
;
523 {yylval
.s
= strdup(yytext
); Return(INTEGER
);}
531 {yylval
.s
= strdup(yytext
); Return(WORD
);}
535 {int len
= strlen(yytext
);
537 yylval
.s
= strdup(yytext
+1);
542 {yylval
.s
= strdup(yytext
); Return(STRING
);}
562 Return(CLOSE_SQUARE
);
584 while (yyinput() != '*');
587 while (input() != '*');
592 case '*': unput('*');
605 case YY_STATE_EOF(INITIAL
):
608 case YY_END_OF_BUFFER
:
610 /* amount of text matched not including the EOB char */
611 int yy_amount_of_matched_text
= yy_cp
- yytext
- 1;
613 /* undo the effects of YY_DO_BEFORE_ACTION */
614 *yy_cp
= yy_hold_char
;
616 /* note that here we test for yy_c_buf_p "<=" to the position
617 * of the first EOB in the buffer, since yy_c_buf_p will
618 * already have been incremented past the NUL character
619 * (since all states make transitions on EOB to the end-
620 * of-buffer state). Contrast this with the test in yyinput().
622 if ( yy_c_buf_p
<= &yy_current_buffer
->yy_ch_buf
[yy_n_chars
] )
623 /* this was really a NUL */
625 yy_state_type yy_next_state
;
627 yy_c_buf_p
= yytext
+ yy_amount_of_matched_text
;
629 yy_current_state
= yy_get_previous_state();
631 /* okay, we're now positioned to make the
632 * NUL transition. We couldn't have
633 * yy_get_previous_state() go ahead and do it
634 * for us because it doesn't know how to deal
635 * with the possibility of jamming (and we
636 * don't want to build jamming into it because
637 * then it will run more slowly)
640 yy_next_state
= yy_try_NUL_trans( yy_current_state
);
642 yy_bp
= yytext
+ YY_MORE_ADJ
;
646 /* consume the NUL */
647 yy_cp
= ++yy_c_buf_p
;
648 yy_current_state
= yy_next_state
;
654 yy_cp
= yy_last_accepting_cpos
;
655 yy_current_state
= yy_last_accepting_state
;
660 else switch ( yy_get_next_buffer() )
662 case EOB_ACT_END_OF_FILE
:
664 yy_did_buffer_switch_on_eof
= 0;
668 /* note: because we've taken care in
669 * yy_get_next_buffer() to have set up yytext,
670 * we can now set up yy_c_buf_p so that if some
671 * total hoser (like flex itself) wants
672 * to call the scanner after we return the
673 * YY_NULL, it'll still work - another YY_NULL
676 yy_c_buf_p
= yytext
+ YY_MORE_ADJ
;
678 yy_act
= YY_STATE_EOF((yy_start
- 1) / 2);
684 if ( ! yy_did_buffer_switch_on_eof
)
690 case EOB_ACT_CONTINUE_SCAN
:
691 yy_c_buf_p
= yytext
+ yy_amount_of_matched_text
;
693 yy_current_state
= yy_get_previous_state();
696 yy_bp
= yytext
+ YY_MORE_ADJ
;
699 case EOB_ACT_LAST_MATCH
:
701 &yy_current_buffer
->yy_ch_buf
[yy_n_chars
];
703 yy_current_state
= yy_get_previous_state();
706 yy_bp
= yytext
+ YY_MORE_ADJ
;
714 printf( "action # %d\n", yy_act
);
717 "fatal flex scanner internal error--no action found" );
723 /* yy_get_next_buffer - try to read in a new buffer
726 * int yy_get_next_buffer();
728 * returns a code representing an action
729 * EOB_ACT_LAST_MATCH -
730 * EOB_ACT_CONTINUE_SCAN - continue scanning from current position
731 * EOB_ACT_END_OF_FILE - end of file
734 static int yy_get_next_buffer()
737 register YY_CHAR
*dest
= yy_current_buffer
->yy_ch_buf
;
738 register YY_CHAR
*source
= yytext
- 1; /* copy prev. char, too */
739 register int number_to_move
, i
;
742 if ( yy_c_buf_p
> &yy_current_buffer
->yy_ch_buf
[yy_n_chars
+ 1] )
744 "fatal flex scanner internal error--end of buffer missed" );
746 /* try to read more data */
748 /* first move last chars to start of buffer */
749 number_to_move
= yy_c_buf_p
- yytext
;
751 for ( i
= 0; i
< number_to_move
; ++i
)
752 *(dest
++) = *(source
++);
754 if ( yy_current_buffer
->yy_eof_status
!= EOF_NOT_SEEN
)
755 /* don't do the read, it's not guaranteed to return an EOF,
762 int num_to_read
= yy_current_buffer
->yy_buf_size
- number_to_move
- 1;
764 if ( num_to_read
> YY_READ_BUF_SIZE
)
765 num_to_read
= YY_READ_BUF_SIZE
;
767 else if ( num_to_read
<= 0 )
768 YY_FATAL_ERROR( "fatal error - scanner input buffer overflow" );
770 /* read in more data */
771 YY_INPUT( (&yy_current_buffer
->yy_ch_buf
[number_to_move
]),
772 yy_n_chars
, num_to_read
);
775 if ( yy_n_chars
== 0 )
777 if ( number_to_move
== 1 )
779 ret_val
= EOB_ACT_END_OF_FILE
;
780 yy_current_buffer
->yy_eof_status
= EOF_DONE
;
785 ret_val
= EOB_ACT_LAST_MATCH
;
786 yy_current_buffer
->yy_eof_status
= EOF_PENDING
;
791 ret_val
= EOB_ACT_CONTINUE_SCAN
;
793 yy_n_chars
+= number_to_move
;
794 yy_current_buffer
->yy_ch_buf
[yy_n_chars
] = YY_END_OF_BUFFER_CHAR
;
795 yy_current_buffer
->yy_ch_buf
[yy_n_chars
+ 1] = YY_END_OF_BUFFER_CHAR
;
797 /* yytext begins at the second character in yy_ch_buf; the first
798 * character is the one which preceded it before reading in the latest
799 * buffer; it needs to be kept around in case it's a newline, so
800 * yy_get_previous_state() will have with '^' rules active
803 yytext
= &yy_current_buffer
->yy_ch_buf
[1];
809 /* yy_get_previous_state - get the state just before the EOB char was reached
812 * yy_state_type yy_get_previous_state();
815 static yy_state_type
yy_get_previous_state()
818 register yy_state_type yy_current_state
;
819 register YY_CHAR
*yy_cp
;
821 yy_current_state
= yy_start
;
823 for ( yy_cp
= yytext
+ YY_MORE_ADJ
; yy_cp
< yy_c_buf_p
; ++yy_cp
)
825 register YY_CHAR yy_c
= (*yy_cp
? yy_ec
[*yy_cp
] : 1);
826 if ( yy_accept
[yy_current_state
] )
828 yy_last_accepting_state
= yy_current_state
;
829 yy_last_accepting_cpos
= yy_cp
;
831 while ( yy_chk
[yy_base
[yy_current_state
] + yy_c
] != yy_current_state
)
833 yy_current_state
= yy_def
[yy_current_state
];
834 if ( yy_current_state
>= 34 )
835 yy_c
= yy_meta
[yy_c
];
837 yy_current_state
= yy_nxt
[yy_base
[yy_current_state
] + yy_c
];
840 return ( yy_current_state
);
844 /* yy_try_NUL_trans - try to make a transition on the NUL character
847 * next_state = yy_try_NUL_trans( current_state );
851 static yy_state_type
yy_try_NUL_trans( register yy_state_type yy_current_state
)
853 static yy_state_type
yy_try_NUL_trans( yy_current_state
)
854 register yy_state_type yy_current_state
;
858 register int yy_is_jam
;
859 register YY_CHAR
*yy_cp
= yy_c_buf_p
;
861 register YY_CHAR yy_c
= 1;
862 if ( yy_accept
[yy_current_state
] )
864 yy_last_accepting_state
= yy_current_state
;
865 yy_last_accepting_cpos
= yy_cp
;
867 while ( yy_chk
[yy_base
[yy_current_state
] + yy_c
] != yy_current_state
)
869 yy_current_state
= yy_def
[yy_current_state
];
870 if ( yy_current_state
>= 34 )
871 yy_c
= yy_meta
[yy_c
];
873 yy_current_state
= yy_nxt
[yy_base
[yy_current_state
] + yy_c
];
874 yy_is_jam
= (yy_current_state
== 33);
876 return ( yy_is_jam
? 0 : yy_current_state
);
881 static void yyunput( YY_CHAR c
, register YY_CHAR
*yy_bp
)
883 static void yyunput( c
, yy_bp
)
885 register YY_CHAR
*yy_bp
;
889 register YY_CHAR
*yy_cp
= yy_c_buf_p
;
891 /* undo effects of setting up yytext */
892 *yy_cp
= yy_hold_char
;
894 if ( yy_cp
< yy_current_buffer
->yy_ch_buf
+ 2 )
895 { /* need to shift things up to make room */
896 register int number_to_move
= yy_n_chars
+ 2; /* +2 for EOB chars */
897 register YY_CHAR
*dest
=
898 &yy_current_buffer
->yy_ch_buf
[yy_current_buffer
->yy_buf_size
+ 2];
899 register YY_CHAR
*source
=
900 &yy_current_buffer
->yy_ch_buf
[number_to_move
];
902 while ( source
> yy_current_buffer
->yy_ch_buf
)
905 yy_cp
+= dest
- source
;
906 yy_bp
+= dest
- source
;
907 yy_n_chars
= yy_current_buffer
->yy_buf_size
;
909 if ( yy_cp
< yy_current_buffer
->yy_ch_buf
+ 2 )
910 YY_FATAL_ERROR( "flex scanner push-back overflow" );
913 if ( yy_cp
> yy_bp
&& yy_cp
[-1] == '\n' )
918 /* note: the formal parameter *must* be called "yy_bp" for this
919 * macro to now work correctly
921 YY_DO_BEFORE_ACTION
; /* set up yytext again */
933 YY_CHAR
*yy_cp
= yy_c_buf_p
;
935 *yy_cp
= yy_hold_char
;
937 if ( *yy_c_buf_p
== YY_END_OF_BUFFER_CHAR
)
939 /* yy_c_buf_p now points to the character we want to return.
940 * If this occurs *before* the EOB characters, then it's a
941 * valid NUL; if not, then we've hit the end of the buffer.
943 if ( yy_c_buf_p
< &yy_current_buffer
->yy_ch_buf
[yy_n_chars
] )
944 /* this was really a NUL */
948 { /* need more input */
952 switch ( yy_get_next_buffer() )
954 case EOB_ACT_END_OF_FILE
:
958 yy_c_buf_p
= yytext
+ YY_MORE_ADJ
;
965 return ( yyinput() );
972 case EOB_ACT_CONTINUE_SCAN
:
973 yy_c_buf_p
= yytext
+ YY_MORE_ADJ
;
976 case EOB_ACT_LAST_MATCH
:
978 YY_FATAL_ERROR( "unexpected last match in yyinput()" );
980 YY_FATAL_ERROR( "unexpected last match in input()" );
987 yy_hold_char
= *++yy_c_buf_p
;
994 void yyrestart( FILE *input_file
)
996 void yyrestart( input_file
)
1001 yy_init_buffer( yy_current_buffer
, input_file
);
1002 yy_load_buffer_state();
1006 #ifdef YY_USE_PROTOS
1007 void yy_switch_to_buffer( YY_BUFFER_STATE new_buffer
)
1009 void yy_switch_to_buffer( new_buffer
)
1010 YY_BUFFER_STATE new_buffer
;
1014 if ( yy_current_buffer
== new_buffer
)
1017 if ( yy_current_buffer
)
1019 /* flush out information for old buffer */
1020 *yy_c_buf_p
= yy_hold_char
;
1021 yy_current_buffer
->yy_buf_pos
= yy_c_buf_p
;
1022 yy_current_buffer
->yy_n_chars
= yy_n_chars
;
1025 yy_current_buffer
= new_buffer
;
1026 yy_load_buffer_state();
1028 /* we don't actually know whether we did this switch during
1029 * EOF (yywrap()) processing, but the only time this flag
1030 * is looked at is after yywrap() is called, so it's safe
1031 * to go ahead and always set it.
1033 yy_did_buffer_switch_on_eof
= 1;
1037 #ifdef YY_USE_PROTOS
1038 void yy_load_buffer_state( void )
1040 void yy_load_buffer_state()
1044 yy_n_chars
= yy_current_buffer
->yy_n_chars
;
1045 yytext
= yy_c_buf_p
= yy_current_buffer
->yy_buf_pos
;
1046 yyin
= yy_current_buffer
->yy_input_file
;
1047 yy_hold_char
= *yy_c_buf_p
;
1051 #ifdef YY_USE_PROTOS
1052 YY_BUFFER_STATE
yy_create_buffer( FILE *file
, int size
)
1054 YY_BUFFER_STATE
yy_create_buffer( file
, size
)
1062 b
= (YY_BUFFER_STATE
) malloc( sizeof( struct yy_buffer_state
) );
1065 YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
1067 b
->yy_buf_size
= size
;
1069 /* yy_ch_buf has to be 2 characters longer than the size given because
1070 * we need to put in 2 end-of-buffer characters.
1072 b
->yy_ch_buf
= (YY_CHAR
*) malloc( (unsigned) (b
->yy_buf_size
+ 2) );
1074 if ( ! b
->yy_ch_buf
)
1075 YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
1077 yy_init_buffer( b
, file
);
1083 #ifdef YY_USE_PROTOS
1084 void yy_delete_buffer( YY_BUFFER_STATE b
)
1086 void yy_delete_buffer( b
)
1091 if ( b
== yy_current_buffer
)
1092 yy_current_buffer
= (YY_BUFFER_STATE
) 0;
1094 free( (char *) b
->yy_ch_buf
);
1099 #ifdef YY_USE_PROTOS
1100 void yy_init_buffer( YY_BUFFER_STATE b
, FILE *file
)
1102 void yy_init_buffer( b
, file
)
1108 b
->yy_input_file
= file
;
1110 /* we put in the '\n' and start reading from [1] so that an
1111 * initial match-at-newline will be true.
1114 b
->yy_ch_buf
[0] = '\n';
1117 /* we always need two end-of-buffer characters. The first causes
1118 * a transition to the end-of-buffer state. The second causes
1119 * a jam in that state.
1121 b
->yy_ch_buf
[1] = YY_END_OF_BUFFER_CHAR
;
1122 b
->yy_ch_buf
[2] = YY_END_OF_BUFFER_CHAR
;
1124 b
->yy_buf_pos
= &b
->yy_ch_buf
[1];
1126 b
->yy_eof_status
= EOF_NOT_SEEN
;
1128 # line 108 "lexer.l"
1133 static int lex_input() {
1136 #else /* BSD/AT&T lex */
1138 # error "Sorry, but need either flex or AT&T lex"
1140 static int lex_input() {
1144 # define unput(_c) my_unput(_c)
1148 # define input() my_input()
1149 static int my_unput(char c
)
1151 if (lex_read_from_string
) {
1152 /* Make sure we have something */
1153 if (lex_string_ptr
) {
1154 if (c
== '\n') yylineno
--;
1158 yytchar
= (c
);if(yytchar
=='\n')yylineno
--;*yysptr
++=yytchar
;
1159 /* unput(c); Causes infinite recursion! */
1167 void LexFromFile(FILE *fd
)
1169 lex_read_from_string
= 0;
1171 /* Don't know why this is necessary, but otherwise
1172 * lex only works _once_!
1179 void LexFromString(char *buffer
)
1181 lex_read_from_string
= 1;
1182 lex_buffer
= buffer
;
1183 lex_buffer_length
= strlen(buffer
);
1185 /* Don't know why this is necessary, but otherwise
1186 * lex only works _once_!
1193 static int my_input( void )
1195 if (lex_read_from_string
) {
1196 if (lex_string_ptr
== lex_buffer_length
)
1199 char c
= lex_buffer
[lex_string_ptr
++];
1200 #ifndef FLEX_SCANNER
1201 if (c
== '\n') yylineno
++;
1210 void wxExprCleanUp()
1212 if (yy_current_buffer
)
1213 yy_delete_buffer(yy_current_buffer
);