Annotation of src/usr.bin/yacc/error.c, Revision 1.12
1.12 ! nicm 1: /* $OpenBSD: error.c,v 1.11 2009/10/27 23:59:50 deraadt Exp $ */
1.2 deraadt 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.
1.8 millert 19: * 3. Neither the name of the University nor the names of its contributors
1.2 deraadt 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: /* routines for printing error messages */
1.1 deraadt 37:
38: #include "defs.h"
39:
40:
1.5 pvalchev 41: void
1.9 pvalchev 42: fatal(char *msg)
1.1 deraadt 43: {
1.7 deraadt 44: fprintf(stderr, "%s: %s\n", input_file_name, msg);
1.1 deraadt 45: done(2);
46: }
47:
48:
1.5 pvalchev 49: void
1.9 pvalchev 50: no_space(void)
1.1 deraadt 51: {
1.7 deraadt 52: fprintf(stderr, "%s: yacc is out of space\n", input_file_name);
1.1 deraadt 53: done(2);
54: }
55:
56:
1.5 pvalchev 57: void
1.9 pvalchev 58: open_error(char *filename)
1.1 deraadt 59: {
1.12 ! nicm 60: fprintf(stderr, "%s: cannot open source file %s\n",
! 61: input_file_name, filename);
1.1 deraadt 62: done(2);
63: }
64:
1.10 pvalchev 65: void
66: open_write_error(char *filename)
67: {
68: fprintf(stderr, "%s: cannot open target file %s for writing\n",
69: input_file_name, filename);
70: done(2);
71: }
1.1 deraadt 72:
1.5 pvalchev 73: void
1.9 pvalchev 74: unexpected_EOF(void)
1.1 deraadt 75: {
1.7 deraadt 76: fprintf(stderr, "%s:%d: unexpected end-of-file\n",
77: input_file_name, lineno);
1.1 deraadt 78: done(1);
79: }
80:
81:
1.5 pvalchev 82: void
1.9 pvalchev 83: print_pos(char *st_line, char *st_cptr)
1.1 deraadt 84: {
1.6 mpech 85: char *s;
1.1 deraadt 86:
87: if (st_line == 0) return;
88: for (s = st_line; *s != '\n'; ++s)
89: {
90: if (isprint(*s) || *s == '\t')
91: putc(*s, stderr);
92: else
93: putc('?', stderr);
94: }
95: putc('\n', stderr);
96: for (s = st_line; s < st_cptr; ++s)
97: {
98: if (*s == '\t')
99: putc('\t', stderr);
100: else
101: putc(' ', stderr);
102: }
103: putc('^', stderr);
104: putc('\n', stderr);
105: }
106:
1.5 pvalchev 107: void
1.9 pvalchev 108: syntax_error(int st_lineno, char *st_line, char *st_cptr)
1.1 deraadt 109: {
1.7 deraadt 110: fprintf(stderr, "%s:%d: syntax error\n",
111: input_file_name, st_lineno);
1.1 deraadt 112: print_pos(st_line, st_cptr);
113: done(1);
114: }
115:
1.5 pvalchev 116: void
1.9 pvalchev 117: unterminated_comment(int c_lineno, char *c_line, char *c_cptr)
1.1 deraadt 118: {
1.7 deraadt 119: fprintf(stderr, "%s:%d: unmatched /*\n",
120: input_file_name, c_lineno);
1.1 deraadt 121: print_pos(c_line, c_cptr);
122: done(1);
123: }
124:
1.5 pvalchev 125: void
1.9 pvalchev 126: unterminated_string(int s_lineno, char *s_line, char *s_cptr)
1.1 deraadt 127: {
1.7 deraadt 128: fprintf(stderr, "%s:%d:, unterminated string\n",
129: input_file_name, s_lineno);
1.1 deraadt 130: print_pos(s_line, s_cptr);
131: done(1);
132: }
133:
1.5 pvalchev 134: void
1.9 pvalchev 135: unterminated_text(int t_lineno, char *t_line, char *t_cptr)
1.1 deraadt 136: {
1.7 deraadt 137: fprintf(stderr, "%s:%d: unmatched %%{\n",
138: input_file_name, t_lineno);
1.1 deraadt 139: print_pos(t_line, t_cptr);
140: done(1);
141: }
142:
1.5 pvalchev 143: void
1.9 pvalchev 144: unterminated_union(int u_lineno, char *u_line, char *u_cptr)
1.1 deraadt 145: {
1.7 deraadt 146: fprintf(stderr, "%s:%d: unterminated %%union declaration\n",
147: input_file_name, u_lineno);
1.1 deraadt 148: print_pos(u_line, u_cptr);
149: done(1);
150: }
151:
1.5 pvalchev 152: void
1.9 pvalchev 153: over_unionized(char *u_cptr)
1.1 deraadt 154: {
1.7 deraadt 155: fprintf(stderr, "%s:%d: too many %%union declarations\n",
156: input_file_name, lineno);
1.1 deraadt 157: print_pos(line, u_cptr);
158: done(1);
159: }
160:
1.5 pvalchev 161: void
1.9 pvalchev 162: illegal_tag(int t_lineno, char *t_line, char *t_cptr)
1.1 deraadt 163: {
1.7 deraadt 164: fprintf(stderr, "%s:%d: illegal tag\n",
165: input_file_name, t_lineno);
1.1 deraadt 166: print_pos(t_line, t_cptr);
167: done(1);
168: }
169:
170:
1.5 pvalchev 171: void
1.9 pvalchev 172: illegal_character(char *c_cptr)
1.1 deraadt 173: {
1.7 deraadt 174: fprintf(stderr, "%s:%d: illegal character\n",
175: input_file_name, lineno);
1.1 deraadt 176: print_pos(line, c_cptr);
177: done(1);
178: }
179:
180:
1.5 pvalchev 181: void
1.9 pvalchev 182: used_reserved(char *s)
1.1 deraadt 183: {
1.7 deraadt 184: fprintf(stderr, "%s:%d: illegal use of reserved symbol %s\n",
185: input_file_name, lineno, s);
1.1 deraadt 186: done(1);
187: }
188:
1.5 pvalchev 189: void
1.9 pvalchev 190: tokenized_start(char *s)
1.1 deraadt 191: {
1.7 deraadt 192: fprintf(stderr, "%s:%d: the start symbol %s cannot be declared to be a token\n",
193: input_file_name, lineno, s);
1.1 deraadt 194: done(1);
195: }
196:
1.5 pvalchev 197: void
1.9 pvalchev 198: retyped_warning(char *s)
1.1 deraadt 199: {
1.7 deraadt 200: fprintf(stderr, "%s:%d: the type of %s has been redeclared\n",
201: input_file_name, lineno, s);
1.1 deraadt 202: }
203:
1.5 pvalchev 204: void
1.9 pvalchev 205: reprec_warning(char *s)
1.1 deraadt 206: {
1.7 deraadt 207: fprintf(stderr, "%s:%d: the precedence of %s has been redeclared\n",
208: input_file_name, lineno, s);
1.1 deraadt 209: }
210:
1.5 pvalchev 211: void
1.9 pvalchev 212: revalued_warning(char *s)
1.1 deraadt 213: {
1.7 deraadt 214: fprintf(stderr, "%s:%d: the value of %s has been redeclared\n",
215: input_file_name, lineno, s);
1.1 deraadt 216: }
217:
1.5 pvalchev 218: void
1.9 pvalchev 219: terminal_start(char *s)
1.1 deraadt 220: {
1.7 deraadt 221: fprintf(stderr, "%s:%d: the start symbol %s is a token\n",
222: input_file_name, lineno, s);
1.1 deraadt 223: done(1);
224: }
225:
1.5 pvalchev 226: void
1.9 pvalchev 227: restarted_warning(void)
1.1 deraadt 228: {
1.7 deraadt 229: fprintf(stderr, "%s:%d: the start symbol has been redeclared\n",
230: input_file_name, lineno);
1.1 deraadt 231: }
232:
1.5 pvalchev 233: void
1.9 pvalchev 234: no_grammar(void)
1.1 deraadt 235: {
1.7 deraadt 236: fprintf(stderr, "%s:%d: no grammar has been specified\n",
237: input_file_name, lineno);
1.1 deraadt 238: done(1);
239: }
240:
1.5 pvalchev 241: void
1.9 pvalchev 242: terminal_lhs(int s_lineno)
1.1 deraadt 243: {
1.7 deraadt 244: fprintf(stderr, "%s:%d: a token appears on the lhs of a production\n",
245: input_file_name, s_lineno);
1.1 deraadt 246: done(1);
247: }
248:
1.5 pvalchev 249: void
1.9 pvalchev 250: prec_redeclared(void)
1.1 deraadt 251: {
1.7 deraadt 252: fprintf(stderr, "%s:%d: conflicting %%prec specifiers\n",
253: input_file_name, lineno);
1.1 deraadt 254: }
255:
1.5 pvalchev 256: void
1.9 pvalchev 257: unterminated_action(int a_lineno, char *a_line, char *a_cptr)
1.1 deraadt 258: {
1.7 deraadt 259: fprintf(stderr, "%s:%d: unterminated action\n",
260: input_file_name, a_lineno);
1.1 deraadt 261: print_pos(a_line, a_cptr);
262: done(1);
263: }
264:
1.5 pvalchev 265: void
1.9 pvalchev 266: dollar_warning(int a_lineno, int i)
1.1 deraadt 267: {
1.7 deraadt 268: fprintf(stderr, "%s:%d: $%d references beyond the end of the current rule\n",
269: input_file_name, a_lineno, i);
1.1 deraadt 270: }
271:
1.5 pvalchev 272: void
1.9 pvalchev 273: dollar_error(int a_lineno, char *a_line, char *a_cptr)
1.1 deraadt 274: {
1.7 deraadt 275: fprintf(stderr, "%s:%d: illegal $-name\n",
276: input_file_name, a_lineno);
1.1 deraadt 277: print_pos(a_line, a_cptr);
278: done(1);
279: }
280:
281:
1.5 pvalchev 282: void
1.9 pvalchev 283: untyped_lhs(void)
1.1 deraadt 284: {
1.7 deraadt 285: fprintf(stderr, "%s:%d: $$ is untyped\n",
286: input_file_name, lineno);
1.1 deraadt 287: done(1);
288: }
289:
1.5 pvalchev 290: void
1.9 pvalchev 291: untyped_rhs(int i, char *s)
1.1 deraadt 292: {
1.7 deraadt 293: fprintf(stderr, "%s:%d: $%d (%s) is untyped\n",
294: input_file_name, lineno, i, s);
1.1 deraadt 295: done(1);
296: }
297:
1.5 pvalchev 298: void
1.9 pvalchev 299: unknown_rhs(int i)
1.1 deraadt 300: {
1.7 deraadt 301: fprintf(stderr, "%s:%d: $%d is untyped\n",
302: input_file_name, lineno, i);
1.1 deraadt 303: done(1);
304: }
305:
1.5 pvalchev 306: void
1.9 pvalchev 307: default_action_warning(void)
1.1 deraadt 308: {
1.7 deraadt 309: fprintf(stderr, "%s:%d: the default action assigns an undefined value to $$\n",
310: input_file_name, lineno);
1.1 deraadt 311: }
312:
1.5 pvalchev 313: void
1.9 pvalchev 314: undefined_goal(char *s)
1.1 deraadt 315: {
1.7 deraadt 316: fprintf(stderr, "%s: the start symbol %s is undefined\n", input_file_name, s);
1.1 deraadt 317: done(1);
318: }
319:
1.5 pvalchev 320: void
1.9 pvalchev 321: undefined_symbol_warning(char *s)
1.1 deraadt 322: {
1.7 deraadt 323: fprintf(stderr, "%s: the symbol %s is undefined\n", input_file_name, s);
1.1 deraadt 324: }
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