| 1 | /* classes: h_files */ |
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| 2 | |
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| 3 | #ifndef RXSPENCERH |
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| 4 | #define RXSPENCERH |
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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 "rxproto.h" |
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| 26 | #include "rxnode.h" |
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| 27 | #include "rxunfa.h" |
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| 28 | #include "rxanal.h" |
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| 29 | #include "inst-rxposix.h" |
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| 30 | |
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| 31 | |
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| 32 | |
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| 33 | #define RX_MANY_CASES 30 |
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| 34 | |
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| 35 | |
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| 36 | typedef enum rx_answers (*rx_vmfn) |
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| 37 | P((void * closure, |
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| 38 | unsigned const char ** burst, int * len, int * offset, |
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| 39 | int start, int end, int need)); |
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| 40 | |
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| 41 | typedef enum rx_answers (*rx_contextfn) |
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| 42 | P((void * closure, |
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| 43 | struct rexp_node * node, |
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| 44 | int start, int end, |
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| 45 | struct rx_registers * regs)); |
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| 46 | |
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| 47 | |
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| 48 | struct rx_solutions |
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| 49 | { |
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| 50 | int step; |
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| 51 | |
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| 52 | int cset_size; |
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| 53 | struct rexp_node * exp; |
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| 54 | struct rexp_node ** subexps; |
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| 55 | struct rx_registers * regs; |
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| 56 | |
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| 57 | int start; |
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| 58 | int end; |
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| 59 | |
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| 60 | rx_vmfn vmfn; |
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| 61 | rx_contextfn contextfn; |
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| 62 | void * closure; |
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| 63 | |
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| 64 | struct rx_unfaniverse * verse; |
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| 65 | struct rx_unfa * dfa; |
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| 66 | struct rx_classical_system match_engine; |
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| 67 | struct rx_unfa * left_dfa; |
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| 68 | struct rx_classical_system left_match_engine; |
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| 69 | |
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| 70 | int split_guess; |
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| 71 | struct rx_solutions * left; |
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| 72 | struct rx_solutions * right; |
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| 73 | |
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| 74 | int interval_x; |
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| 75 | |
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| 76 | int saved_rm_so; |
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| 77 | int saved_rm_eo; |
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| 78 | |
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| 79 | int final_tag; |
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| 80 | }; |
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| 81 | |
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| 82 | extern struct rx_solutions rx_no_solutions; |
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| 83 | |
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| 84 | |
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| 85 | #ifdef __STDC__ |
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| 86 | extern struct rx_solutions * rx_make_solutions (struct rx_registers * regs, struct rx_unfaniverse * verse, struct rexp_node * expression, struct rexp_node ** subexps, int cset_size, int start, int end, rx_vmfn vmfn, rx_contextfn contextfn, void * closure); |
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| 87 | extern void rx_free_solutions (struct rx_solutions * solns); |
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| 88 | extern int rx_best_end_guess (struct rx_solutions * solns, struct rexp_node * exp, int bound); |
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| 89 | extern enum rx_answers rx_next_solution (struct rx_solutions * solns); |
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| 90 | |
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| 91 | #else /* STDC */ |
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| 92 | extern struct rx_solutions * rx_make_solutions (); |
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| 93 | extern void rx_free_solutions (); |
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| 94 | extern int rx_best_end_guess (); |
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| 95 | extern enum rx_answers rx_next_solution (); |
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| 96 | |
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| 97 | #endif /* STDC */ |
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| 98 | |
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| 99 | #endif /* RXSPENCERH */ |
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