1 /* $OpenBSD: error.c,v 1.10 2005/06/08 03:18:59 pvalchev Exp $ */ 2 /* $NetBSD: error.c,v 1.4 1996/03/19 03:21:32 jtc Exp $ */ 3 4 /* 5 * Copyright (c) 1989 The Regents of the University of California. 6 * All rights reserved. 7 * 8 * This code is derived from software contributed to Berkeley by 9 * Robert Paul Corbett. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #ifndef lint 37 #if 0 38 static char sccsid[] = "@(#)error.c 5.3 (Berkeley) 6/1/90"; 39 #else 40 static char rcsid[] = "$OpenBSD: error.c,v 1.10 2005/06/08 03:18:59 pvalchev Exp $"; 41 #endif 42 #endif /* not lint */ 43 44 /* routines for printing error messages */ 45 46 #include "defs.h" 47 48 49 void 50 fatal(char *msg) 51 { 52 fprintf(stderr, "%s: %s\n", input_file_name, msg); 53 done(2); 54 } 55 56 57 void 58 no_space(void) 59 { 60 fprintf(stderr, "%s: yacc is out of space\n", input_file_name); 61 done(2); 62 } 63 64 65 void 66 open_error(char *filename) 67 { 68 fprintf(stderr, "%s: cannot open source file\n", input_file_name); 69 done(2); 70 } 71 72 void 73 open_write_error(char *filename) 74 { 75 fprintf(stderr, "%s: cannot open target file %s for writing\n", 76 input_file_name, filename); 77 done(2); 78 } 79 80 void 81 unexpected_EOF(void) 82 { 83 fprintf(stderr, "%s:%d: unexpected end-of-file\n", 84 input_file_name, lineno); 85 done(1); 86 } 87 88 89 void 90 print_pos(char *st_line, char *st_cptr) 91 { 92 char *s; 93 94 if (st_line == 0) return; 95 for (s = st_line; *s != '\n'; ++s) 96 { 97 if (isprint(*s) || *s == '\t') 98 putc(*s, stderr); 99 else 100 putc('?', stderr); 101 } 102 putc('\n', stderr); 103 for (s = st_line; s < st_cptr; ++s) 104 { 105 if (*s == '\t') 106 putc('\t', stderr); 107 else 108 putc(' ', stderr); 109 } 110 putc('^', stderr); 111 putc('\n', stderr); 112 } 113 114 void 115 syntax_error(int st_lineno, char *st_line, char *st_cptr) 116 { 117 fprintf(stderr, "%s:%d: syntax error\n", 118 input_file_name, st_lineno); 119 print_pos(st_line, st_cptr); 120 done(1); 121 } 122 123 void 124 unterminated_comment(int c_lineno, char *c_line, char *c_cptr) 125 { 126 fprintf(stderr, "%s:%d: unmatched /*\n", 127 input_file_name, c_lineno); 128 print_pos(c_line, c_cptr); 129 done(1); 130 } 131 132 void 133 unterminated_string(int s_lineno, char *s_line, char *s_cptr) 134 { 135 fprintf(stderr, "%s:%d:, unterminated string\n", 136 input_file_name, s_lineno); 137 print_pos(s_line, s_cptr); 138 done(1); 139 } 140 141 void 142 unterminated_text(int t_lineno, char *t_line, char *t_cptr) 143 { 144 fprintf(stderr, "%s:%d: unmatched %%{\n", 145 input_file_name, t_lineno); 146 print_pos(t_line, t_cptr); 147 done(1); 148 } 149 150 void 151 unterminated_union(int u_lineno, char *u_line, char *u_cptr) 152 { 153 fprintf(stderr, "%s:%d: unterminated %%union declaration\n", 154 input_file_name, u_lineno); 155 print_pos(u_line, u_cptr); 156 done(1); 157 } 158 159 void 160 over_unionized(char *u_cptr) 161 { 162 fprintf(stderr, "%s:%d: too many %%union declarations\n", 163 input_file_name, lineno); 164 print_pos(line, u_cptr); 165 done(1); 166 } 167 168 void 169 illegal_tag(int t_lineno, char *t_line, char *t_cptr) 170 { 171 fprintf(stderr, "%s:%d: illegal tag\n", 172 input_file_name, t_lineno); 173 print_pos(t_line, t_cptr); 174 done(1); 175 } 176 177 178 void 179 illegal_character(char *c_cptr) 180 { 181 fprintf(stderr, "%s:%d: illegal character\n", 182 input_file_name, lineno); 183 print_pos(line, c_cptr); 184 done(1); 185 } 186 187 188 void 189 used_reserved(char *s) 190 { 191 fprintf(stderr, "%s:%d: illegal use of reserved symbol %s\n", 192 input_file_name, lineno, s); 193 done(1); 194 } 195 196 void 197 tokenized_start(char *s) 198 { 199 fprintf(stderr, "%s:%d: the start symbol %s cannot be declared to be a token\n", 200 input_file_name, lineno, s); 201 done(1); 202 } 203 204 void 205 retyped_warning(char *s) 206 { 207 fprintf(stderr, "%s:%d: the type of %s has been redeclared\n", 208 input_file_name, lineno, s); 209 } 210 211 void 212 reprec_warning(char *s) 213 { 214 fprintf(stderr, "%s:%d: the precedence of %s has been redeclared\n", 215 input_file_name, lineno, s); 216 } 217 218 void 219 revalued_warning(char *s) 220 { 221 fprintf(stderr, "%s:%d: the value of %s has been redeclared\n", 222 input_file_name, lineno, s); 223 } 224 225 void 226 terminal_start(char *s) 227 { 228 fprintf(stderr, "%s:%d: the start symbol %s is a token\n", 229 input_file_name, lineno, s); 230 done(1); 231 } 232 233 void 234 restarted_warning(void) 235 { 236 fprintf(stderr, "%s:%d: the start symbol has been redeclared\n", 237 input_file_name, lineno); 238 } 239 240 void 241 no_grammar(void) 242 { 243 fprintf(stderr, "%s:%d: no grammar has been specified\n", 244 input_file_name, lineno); 245 done(1); 246 } 247 248 void 249 terminal_lhs(int s_lineno) 250 { 251 fprintf(stderr, "%s:%d: a token appears on the lhs of a production\n", 252 input_file_name, s_lineno); 253 done(1); 254 } 255 256 void 257 prec_redeclared(void) 258 { 259 fprintf(stderr, "%s:%d: conflicting %%prec specifiers\n", 260 input_file_name, lineno); 261 } 262 263 void 264 unterminated_action(int a_lineno, char *a_line, char *a_cptr) 265 { 266 fprintf(stderr, "%s:%d: unterminated action\n", 267 input_file_name, a_lineno); 268 print_pos(a_line, a_cptr); 269 done(1); 270 } 271 272 void 273 dollar_warning(int a_lineno, int i) 274 { 275 fprintf(stderr, "%s:%d: $%d references beyond the end of the current rule\n", 276 input_file_name, a_lineno, i); 277 } 278 279 void 280 dollar_error(int a_lineno, char *a_line, char *a_cptr) 281 { 282 fprintf(stderr, "%s:%d: illegal $-name\n", 283 input_file_name, a_lineno); 284 print_pos(a_line, a_cptr); 285 done(1); 286 } 287 288 289 void 290 untyped_lhs(void) 291 { 292 fprintf(stderr, "%s:%d: $$ is untyped\n", 293 input_file_name, lineno); 294 done(1); 295 } 296 297 void 298 untyped_rhs(int i, char *s) 299 { 300 fprintf(stderr, "%s:%d: $%d (%s) is untyped\n", 301 input_file_name, lineno, i, s); 302 done(1); 303 } 304 305 void 306 unknown_rhs(int i) 307 { 308 fprintf(stderr, "%s:%d: $%d is untyped\n", 309 input_file_name, lineno, i); 310 done(1); 311 } 312 313 void 314 default_action_warning(void) 315 { 316 fprintf(stderr, "%s:%d: the default action assigns an undefined value to $$\n", 317 input_file_name, lineno); 318 } 319 320 void 321 undefined_goal(char *s) 322 { 323 fprintf(stderr, "%s: the start symbol %s is undefined\n", input_file_name, s); 324 done(1); 325 } 326 327 void 328 undefined_symbol_warning(char *s) 329 { 330 fprintf(stderr, "%s: the symbol %s is undefined\n", input_file_name, s); 331 } 332