| 1 | /* classes: h_files */ |
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| 2 | |
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| 3 | #ifndef RXANALH |
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| 4 | #define RXANALH |
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| 5 | /* Copyright (C) 1995, 1996 Tom Lord |
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| 6 | * |
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| 7 | * This program is free software; you can redistribute it and/or modify |
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| 8 | * it under the terms of the GNU Library General Public License as published by |
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| 9 | * the Free Software Foundation; either version 2, or (at your option) |
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| 10 | * any later version. |
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| 11 | * |
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| 12 | * This program is distributed in the hope that it will be useful, |
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 15 | * GNU Library General Public License for more details. |
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| 16 | * |
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| 17 | * You should have received a copy of the GNU Library General Public License |
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| 18 | * along with this software; see the file COPYING. If not, write to |
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| 19 | * the Free Software Foundation, 59 Temple Place - Suite 330, |
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| 20 | * Boston, MA 02111-1307, USA. |
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| 21 | */ |
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| 22 | |
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| 23 | |
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| 24 | |
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| 25 | #include "rxcset.h" |
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| 26 | #include "rxnode.h" |
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| 27 | #include "rxsuper.h" |
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| 28 | |
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| 29 | |
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| 30 | |
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| 31 | |
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| 32 | enum rx_answers |
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| 33 | { |
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| 34 | rx_yes = 0, |
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| 35 | rx_no = 1, |
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| 36 | rx_bogus = -1, |
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| 37 | rx_start_state_with_too_many_futures = rx_bogus - 1 |
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| 38 | /* n < 0 -- error */ |
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| 39 | }; |
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| 40 | |
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| 41 | struct rx_classical_system |
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| 42 | { |
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| 43 | struct rx * rx; |
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| 44 | struct rx_superstate * state; |
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| 45 | int final_tag; |
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| 46 | }; |
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| 47 | |
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| 48 | |
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| 49 | |
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| 50 | #ifdef __STDC__ |
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| 51 | extern int rx_posix_analyze_rexp (struct rexp_node *** subexps, |
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| 52 | size_t * re_nsub, |
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| 53 | struct rexp_node * node, |
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| 54 | int id); |
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| 55 | extern int rx_fill_in_fastmap (int cset_size, unsigned char * map, struct rexp_node * exp); |
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| 56 | extern int rx_is_anchored_p (struct rexp_node * exp); |
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| 57 | extern enum rx_answers rx_start_superstate (struct rx_classical_system * frame); |
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| 58 | extern enum rx_answers rx_fit_p (struct rx_classical_system * frame, unsigned const char * burst, int len); |
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| 59 | extern enum rx_answers rx_advance (struct rx_classical_system * frame, unsigned const char * burst, int len); |
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| 60 | extern int rx_advance_to_final (struct rx_classical_system * frame, unsigned const char * burst, int len); |
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| 61 | extern void rx_terminate_system (struct rx_classical_system * frame); |
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| 62 | extern void rx_init_system (struct rx_classical_system * frame, struct rx * rx); |
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| 63 | |
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| 64 | #else /* STDC */ |
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| 65 | extern int rx_posix_analyze_rexp (); |
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| 66 | extern int rx_fill_in_fastmap (); |
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| 67 | extern int rx_is_anchored_p (); |
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| 68 | extern enum rx_answers rx_start_superstate (); |
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| 69 | extern enum rx_answers rx_fit_p (); |
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| 70 | extern enum rx_answers rx_advance (); |
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| 71 | extern int rx_advance_to_final (); |
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| 72 | extern void rx_terminate_system (); |
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| 73 | extern void rx_init_system (); |
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| 74 | |
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| 75 | #endif /* STDC */ |
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| 76 | |
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| 77 | |
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| 78 | |
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| 79 | #endif /* RXANALH */ |
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