| 1 | /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\ |
| 2 | * This is GNU Go, a Go program. Contact gnugo@gnu.org, or see * |
| 3 | * http://www.gnu.org/software/gnugo/ for more information. * |
| 4 | * * |
| 5 | * Copyright 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, * |
| 6 | * 2008 and 2009 by the Free Software Foundation. * |
| 7 | * * |
| 8 | * This program is free software; you can redistribute it and/or * |
| 9 | * modify it under the terms of the GNU General Public License as * |
| 10 | * published by the Free Software Foundation - version 3 or * |
| 11 | * (at your option) any later version. * |
| 12 | * * |
| 13 | * This program is distributed in the hope that it will be useful, * |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of * |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
| 16 | * GNU General Public License in file COPYING for more details. * |
| 17 | * * |
| 18 | * You should have received a copy of the GNU General Public * |
| 19 | * License along with this program; if not, write to the Free * |
| 20 | * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, * |
| 21 | * Boston, MA 02111, USA. * |
| 22 | \* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ |
| 23 | |
| 24 | #ifndef _DFA_H_ |
| 25 | #define _DFA_H_ |
| 26 | |
| 27 | #if MAX_BOARD > 11 |
| 28 | #define DFA_MAX_BOARD MAX_BOARD |
| 29 | #else |
| 30 | #define DFA_MAX_BOARD 11 |
| 31 | #endif |
| 32 | #define DFA_MAX_ORDER ((2 * DFA_MAX_BOARD - 1) \ |
| 33 | * (2 * DFA_MAX_BOARD - 1)) |
| 34 | #define DFA_BASE (3 * DFA_MAX_BOARD) |
| 35 | #define DFA_POS(i, j) (((i) + DFA_MAX_BOARD) * DFA_BASE \ |
| 36 | + ((j) + DFA_MAX_BOARD)) |
| 37 | |
| 38 | #ifndef EMPTY |
| 39 | #define EMPTY 0 /* . */ |
| 40 | #define WHITE 1 /* O */ |
| 41 | #define BLACK 2 /* X */ |
| 42 | #endif |
| 43 | #define OUT_BOARD 3 /* # */ |
| 44 | |
| 45 | |
| 46 | /* Maximum pattern matched at one positions. */ |
| 47 | #define DFA_MAX_MATCHED (8 * 24) |
| 48 | |
| 49 | |
| 50 | /* DFA spiral order. */ |
| 51 | extern int spiral[DFA_MAX_ORDER][8]; |
| 52 | |
| 53 | void build_spiral_order(void); |
| 54 | |
| 55 | |
| 56 | /* The run-time data structures declared here are different from those |
| 57 | * used internally to build the DFA. */ |
| 58 | |
| 59 | /* Attribute list. */ |
| 60 | typedef struct attrib_rt |
| 61 | { |
| 62 | short val; |
| 63 | short next; |
| 64 | } attrib_rt_t; |
| 65 | |
| 66 | /* DFA state. */ |
| 67 | typedef struct state_rt |
| 68 | { |
| 69 | short next[4]; |
| 70 | short att; |
| 71 | } state_rt_t; |
| 72 | |
| 73 | typedef struct dfa_rt |
| 74 | { |
| 75 | /* File header. */ |
| 76 | const char name[80]; |
| 77 | |
| 78 | /* Transition graph. */ |
| 79 | const state_rt_t *states; |
| 80 | |
| 81 | /* Attributes sets. */ |
| 82 | const attrib_rt_t *indexes; |
| 83 | } dfa_rt_t; |
| 84 | |
| 85 | |
| 86 | |
| 87 | #endif /* _DFA_H_ */ |
| 88 | |
| 89 | |
| 90 | /* |
| 91 | * Local Variables: |
| 92 | * tab-width: 8 |
| 93 | * c-basic-offset: 2 |
| 94 | * End: |
| 95 | */ |