| 1 | /* $NetBSD: makedefs.c,v 1.8 2003/04/02 18:36:42 jsm Exp $ */ |
| 2 | |
| 3 | /* |
| 4 | * Copyright (c) 1985, Stichting Centrum voor Wiskunde en Informatica, |
| 5 | * Amsterdam |
| 6 | * All rights reserved. |
| 7 | * |
| 8 | * Redistribution and use in source and binary forms, with or without |
| 9 | * modification, are permitted provided that the following conditions are |
| 10 | * met: |
| 11 | * |
| 12 | * - Redistributions of source code must retain the above copyright notice, |
| 13 | * this list of conditions and the following disclaimer. |
| 14 | * |
| 15 | * - Redistributions in binary form must reproduce the above copyright |
| 16 | * notice, this list of conditions and the following disclaimer in the |
| 17 | * documentation and/or other materials provided with the distribution. |
| 18 | * |
| 19 | * - Neither the name of the Stichting Centrum voor Wiskunde en |
| 20 | * Informatica, nor the names of its contributors may be used to endorse or |
| 21 | * promote products derived from this software without specific prior |
| 22 | * written permission. |
| 23 | * |
| 24 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS |
| 25 | * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
| 26 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A |
| 27 | * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER |
| 28 | * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| 29 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| 30 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| 31 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
| 32 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
| 33 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| 34 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 35 | */ |
| 36 | |
| 37 | /* |
| 38 | * Copyright (c) 1982 Jay Fenlason <hack@gnu.org> |
| 39 | * All rights reserved. |
| 40 | * |
| 41 | * Redistribution and use in source and binary forms, with or without |
| 42 | * modification, are permitted provided that the following conditions |
| 43 | * are met: |
| 44 | * 1. Redistributions of source code must retain the above copyright |
| 45 | * notice, this list of conditions and the following disclaimer. |
| 46 | * 2. Redistributions in binary form must reproduce the above copyright |
| 47 | * notice, this list of conditions and the following disclaimer in the |
| 48 | * documentation and/or other materials provided with the distribution. |
| 49 | * 3. The name of the author may not be used to endorse or promote products |
| 50 | * derived from this software without specific prior written permission. |
| 51 | * |
| 52 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, |
| 53 | * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY |
| 54 | * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL |
| 55 | * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| 56 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| 57 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
| 58 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| 59 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR |
| 60 | * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
| 61 | * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 62 | */ |
| 63 | |
| 64 | #include <stdio.h> |
| 65 | #include <stdlib.h> |
| 66 | #include <string.h> |
| 67 | #include <fcntl.h> |
| 68 | #include <unistd.h> |
| 69 | |
| 70 | /* construct definitions of object constants */ |
| 71 | #define LINSZ 1000 |
| 72 | #define STRSZ 40 |
| 73 | |
| 74 | int fd; |
| 75 | char string[STRSZ]; |
| 76 | |
| 77 | static void readline(void); |
| 78 | static char nextchar(void); |
| 79 | static int skipuntil(const char *); |
| 80 | static int getentry(void); |
| 81 | static void capitalize(char *); |
| 82 | static int letter(char); |
| 83 | static int digit(char); |
| 84 | |
| 85 | int |
| 86 | main(int argc, char **argv) |
| 87 | { |
| 88 | int i = 0; |
| 89 | int propct = 0; |
| 90 | char *sp; |
| 91 | if (argc != 2) { |
| 92 | (void) fprintf(stderr, "usage: makedefs file\n"); |
| 93 | exit(1); |
| 94 | } |
| 95 | if ((fd = open(argv[1], O_RDONLY)) < 0) { |
| 96 | perror(argv[1]); |
| 97 | exit(1); |
| 98 | } |
| 99 | skipuntil("objects[] = {"); |
| 100 | while (getentry()) { |
| 101 | if (!*string) { |
| 102 | i++; |
| 103 | continue; |
| 104 | } |
| 105 | for (sp = string; *sp; sp++) |
| 106 | if (*sp == ' ' || *sp == '\t' || *sp == '-') |
| 107 | *sp = '_'; |
| 108 | if (!strncmp(string, "RIN_", 4)) { |
| 109 | capitalize(string + 4); |
| 110 | printf("#define %s u.uprops[%d].p_flgs\n", |
| 111 | string + 4, propct++); |
| 112 | } |
| 113 | for (sp = string; *sp; sp++) |
| 114 | capitalize(sp); |
| 115 | /* avoid trouble with stupid C preprocessors */ |
| 116 | if (!strncmp(string, "WORTHLESS_PIECE_OF_", 19)) |
| 117 | printf("/* #define %s %d */\n", string, i); |
| 118 | else |
| 119 | printf("#define %s %d\n", string, i); |
| 120 | i++; |
| 121 | } |
| 122 | printf("\n#define CORPSE DEAD_HUMAN\n"); |
| 123 | printf("#define LAST_GEM (JADE+1)\n"); |
| 124 | printf("#define LAST_RING %d\n", propct); |
| 125 | printf("#define NROFOBJECTS %d\n", i - 1); |
| 126 | fflush(stdout); |
| 127 | if (ferror(stdout)) { |
| 128 | perror("standard output"); |
| 129 | exit(1); |
| 130 | } |
| 131 | exit(0); |
| 132 | } |
| 133 | |
| 134 | char line[LINSZ], *lp = line, *lp0 = line, *lpe = line; |
| 135 | int eof; |
| 136 | |
| 137 | static void |
| 138 | readline(void) |
| 139 | { |
| 140 | int n = read(fd, lp0, (line + LINSZ) - lp0); |
| 141 | if (n < 0) { |
| 142 | printf("Input error.\n"); |
| 143 | exit(1); |
| 144 | } |
| 145 | if (n == 0) |
| 146 | eof++; |
| 147 | lpe = lp0 + n; |
| 148 | } |
| 149 | |
| 150 | static char |
| 151 | nextchar(void) |
| 152 | { |
| 153 | if (lp == lpe) { |
| 154 | readline(); |
| 155 | lp = lp0; |
| 156 | } |
| 157 | return ((lp == lpe) ? 0 : *lp++); |
| 158 | } |
| 159 | |
| 160 | static int |
| 161 | skipuntil(const char *s) |
| 162 | { |
| 163 | const char *sp0; |
| 164 | char *sp1; |
| 165 | loop: |
| 166 | while (*s != nextchar()) |
| 167 | if (eof) { |
| 168 | printf("Cannot skipuntil %s\n", s); |
| 169 | exit(1); |
| 170 | } |
| 171 | if (strlen(s) > (size_t)(lpe - lp + 1)) { |
| 172 | char *lp1, *lp2; |
| 173 | lp2 = lp; |
| 174 | lp1 = lp = lp0; |
| 175 | while (lp2 != lpe) |
| 176 | *lp1++ = *lp2++; |
| 177 | lp2 = lp0; /* save value */ |
| 178 | lp0 = lp1; |
| 179 | readline(); |
| 180 | lp0 = lp2; |
| 181 | if (strlen(s) > (size_t)(lpe - lp + 1)) { |
| 182 | printf("error in skipuntil"); |
| 183 | exit(1); |
| 184 | } |
| 185 | } |
| 186 | sp0 = s + 1; |
| 187 | sp1 = lp; |
| 188 | while (*sp0 && *sp0 == *sp1) |
| 189 | sp0++, sp1++; |
| 190 | if (!*sp0) { |
| 191 | lp = sp1; |
| 192 | return (1); |
| 193 | } |
| 194 | goto loop; |
| 195 | } |
| 196 | |
| 197 | static int |
| 198 | getentry(void) |
| 199 | { |
| 200 | int inbraces = 0, inparens = 0, stringseen = 0, commaseen = 0; |
| 201 | int prefix = 0; |
| 202 | char ch; |
| 203 | #define NSZ 10 |
| 204 | char identif[NSZ], *ip; |
| 205 | string[0] = string[4] = 0; |
| 206 | /* |
| 207 | * read until {...} or XXX(...) followed by , skip comment and |
| 208 | * #define lines deliver 0 on failure |
| 209 | */ |
| 210 | while (1) { |
| 211 | ch = nextchar(); |
| 212 | swi: |
| 213 | if (letter(ch)) { |
| 214 | ip = identif; |
| 215 | do { |
| 216 | if (ip < identif + NSZ - 1) |
| 217 | *ip++ = ch; |
| 218 | ch = nextchar(); |
| 219 | } while (letter(ch) || digit(ch)); |
| 220 | *ip = 0; |
| 221 | while (ch == ' ' || ch == '\t') |
| 222 | ch = nextchar(); |
| 223 | if (ch == '(' && !inparens && !stringseen) |
| 224 | if (!strcmp(identif, "WAND") || |
| 225 | !strcmp(identif, "RING") || |
| 226 | !strcmp(identif, "POTION") || |
| 227 | !strcmp(identif, "SCROLL")) |
| 228 | (void) strncpy(string, identif, 3), |
| 229 | string[3] = '_', |
| 230 | prefix = 4; |
| 231 | } |
| 232 | switch (ch) { |
| 233 | case '/': |
| 234 | /* watch for comment */ |
| 235 | if ((ch = nextchar()) == '*') |
| 236 | skipuntil("*/"); |
| 237 | goto swi; |
| 238 | case '{': |
| 239 | inbraces++; |
| 240 | continue; |
| 241 | case '(': |
| 242 | inparens++; |
| 243 | continue; |
| 244 | case '}': |
| 245 | inbraces--; |
| 246 | if (inbraces < 0) |
| 247 | return (0); |
| 248 | continue; |
| 249 | case ')': |
| 250 | inparens--; |
| 251 | if (inparens < 0) { |
| 252 | printf("too many ) ?"); |
| 253 | exit(1); |
| 254 | } |
| 255 | continue; |
| 256 | case '\n': |
| 257 | /* watch for #define at begin of line */ |
| 258 | if ((ch = nextchar()) == '#') { |
| 259 | char pch; |
| 260 | /* skip until '\n' not preceded by '\\' */ |
| 261 | do { |
| 262 | pch = ch; |
| 263 | ch = nextchar(); |
| 264 | } while (ch != '\n' || pch == '\\'); |
| 265 | continue; |
| 266 | } |
| 267 | goto swi; |
| 268 | case ',': |
| 269 | if (!inparens && !inbraces) { |
| 270 | if (prefix && !string[prefix]) |
| 271 | string[0] = 0; |
| 272 | if (stringseen) |
| 273 | return (1); |
| 274 | printf("unexpected ,\n"); |
| 275 | exit(1); |
| 276 | } |
| 277 | commaseen++; |
| 278 | continue; |
| 279 | case '\'': |
| 280 | if ((ch = nextchar()) == '\\') |
| 281 | ch = nextchar(); |
| 282 | if (nextchar() != '\'') { |
| 283 | printf("strange character denotation?\n"); |
| 284 | exit(1); |
| 285 | } |
| 286 | continue; |
| 287 | case '"': |
| 288 | { |
| 289 | char *sp = string + prefix; |
| 290 | char pch; |
| 291 | int store = (inbraces || inparens) |
| 292 | && !stringseen++ && !commaseen; |
| 293 | do { |
| 294 | pch = ch; |
| 295 | ch = nextchar(); |
| 296 | if (store && sp < string + STRSZ) |
| 297 | *sp++ = ch; |
| 298 | } while (ch != '"' || pch == '\\'); |
| 299 | if (store) |
| 300 | *--sp = 0; |
| 301 | continue; |
| 302 | } |
| 303 | } |
| 304 | } |
| 305 | } |
| 306 | |
| 307 | static void |
| 308 | capitalize(char *sp) |
| 309 | { |
| 310 | if ('a' <= *sp && *sp <= 'z') |
| 311 | *sp += 'A' - 'a'; |
| 312 | } |
| 313 | |
| 314 | static int |
| 315 | letter(char ch) |
| 316 | { |
| 317 | return (('a' <= ch && ch <= 'z') || |
| 318 | ('A' <= ch && ch <= 'Z')); |
| 319 | } |
| 320 | |
| 321 | static int |
| 322 | digit(char ch) |
| 323 | { |
| 324 | return ('0' <= ch && ch <= '9'); |
| 325 | } |