external/bsd/byacc/dist/error.c

   1 /*      $NetBSD: error.c,v 1.7 2011/09/10 21:29:04 christos Exp $       */
   2 /* Id: error.c,v 1.9 2011/09/05 23:27:43 tom Exp */
   3
   4 #include "defs.h"
   5
   6 #include <sys/cdefs.h>
   7 __RCSID("$NetBSD: error.c,v 1.7 2011/09/10 21:29:04 christos Exp $");
   8
   9 /* routines for printing error messages  */
  10
  11 __dead void
  12 fatal(const char *msg)
  13 {
  14     fprintf(stderr, "%s: f - %s\n", myname, msg);
  15     done(2);
  16 }
  17
  18 __dead void
  19 no_space(void)
  20 {
  21     fprintf(stderr, "%s: f - out of space\n", myname);
  22     done(2);
  23 }
  24
  25 __dead void
  26 open_error(const char *filename)
  27 {
  28     fprintf(stderr, "%s: f - cannot open \"%s\"\n", myname, filename);
  29     done(2);
  30 }
  31
  32 void
  33 missing_brace(void)
  34 {
  35     fprintf(stderr, "%s: e - line %d of \"%s\", missing '}'\n",
  36             myname, lineno, input_file_name);
  37     done(1);
  38 }
  39
  40 void
  41 unexpected_EOF(void)
  42 {
  43     fprintf(stderr, "%s: e - line %d of \"%s\", unexpected end-of-file\n",
  44             myname, lineno, input_file_name);
  45     done(1);
  46 }
  47
  48 static void
  49 print_pos(char *st_line, char *st_cptr)
  50 {
  51     char *s;
  52
  53     if (st_line == 0)
  54         return;
  55     for (s = st_line; *s != '\n'; ++s)
  56     {
  57         if (isprint(UCH(*s)) || *s == '\t')
  58             putc(*s, stderr);
  59         else
  60             putc('?', stderr);
  61     }
  62     putc('\n', stderr);
  63     for (s = st_line; s < st_cptr; ++s)
  64     {
  65         if (*s == '\t')
  66             putc('\t', stderr);
  67         else
  68             putc(' ', stderr);
  69     }
  70     putc('^', stderr);
  71     putc('\n', stderr);
  72 }
  73
  74 __dead void
  75 syntax_error(int st_lineno, char *st_line, char *st_cptr)
  76 {
  77     fprintf(stderr, "%s: e - line %d of \"%s\", syntax error\n",
  78             myname, st_lineno, input_file_name);
  79     print_pos(st_line, st_cptr);
  80     done(1);
  81 }
  82
  83 __dead void
  84 unterminated_comment(int c_lineno, char *c_line, char *c_cptr)
  85 {
  86     fprintf(stderr, "%s: e - line %d of \"%s\", unmatched /*\n",
  87             myname, c_lineno, input_file_name);
  88     print_pos(c_line, c_cptr);
  89     done(1);
  90 }
  91
  92 __dead void
  93 unterminated_string(int s_lineno, char *s_line, char *s_cptr)
  94 {
  95     fprintf(stderr, "%s: e - line %d of \"%s\", unterminated string\n",
  96             myname, s_lineno, input_file_name);
  97     print_pos(s_line, s_cptr);
  98     done(1);
  99 }
 100
 101 __dead void
 102 unterminated_text(int t_lineno, char *t_line, char *t_cptr)
 103 {
 104     fprintf(stderr, "%s: e - line %d of \"%s\", unmatched %%{\n",
 105             myname, t_lineno, input_file_name);
 106     print_pos(t_line, t_cptr);
 107     done(1);
 108 }
 109
 110 __dead void
 111 unterminated_union(int u_lineno, char *u_line, char *u_cptr)
 112 {
 113     fprintf(stderr, "%s: e - line %d of \"%s\", unterminated %%union \
 114 declaration\n", myname, u_lineno, input_file_name);
 115     print_pos(u_line, u_cptr);
 116     done(1);
 117 }
 118
 119 __dead void
 120 over_unionized(char *u_cptr)
 121 {
 122     fprintf(stderr, "%s: e - line %d of \"%s\", too many %%union \
 123 declarations\n", myname, lineno, input_file_name);
 124     print_pos(line, u_cptr);
 125     done(1);
 126 }
 127
 128 __dead void
 129 illegal_tag(int t_lineno, char *t_line, char *t_cptr)
 130 {
 131     fprintf(stderr, "%s: e - line %d of \"%s\", illegal tag\n",
 132             myname, t_lineno, input_file_name);
 133     print_pos(t_line, t_cptr);
 134     done(1);
 135 }
 136
 137 __dead void
 138 illegal_character(char *c_cptr)
 139 {
 140     fprintf(stderr, "%s: e - line %d of \"%s\", illegal character\n",
 141             myname, lineno, input_file_name);
 142     print_pos(line, c_cptr);
 143     done(1);
 144 }
 145
 146 __dead void
 147 used_reserved(char *s)
 148 {
 149     fprintf(stderr,
 150             "%s: e - line %d of \"%s\", illegal use of reserved symbol \
 151 %s\n", myname, lineno, input_file_name, s);
 152     done(1);
 153 }
 154
 155 __dead void
 156 tokenized_start(char *s)
 157 {
 158     fprintf(stderr,
 159             "%s: e - line %d of \"%s\", the start symbol %s cannot be \
 160 declared to be a token\n", myname, lineno, input_file_name, s);
 161     done(1);
 162 }
 163
 164 void
 165 retyped_warning(char *s)
 166 {
 167     fprintf(stderr, "%s: w - line %d of \"%s\", the type of %s has been \
 168 redeclared\n", myname, lineno, input_file_name, s);
 169 }
 170
 171 void
 172 reprec_warning(char *s)
 173 {
 174     fprintf(stderr,
 175             "%s: w - line %d of \"%s\", the precedence of %s has been \
 176 redeclared\n", myname, lineno, input_file_name, s);
 177 }
 178
 179 void
 180 revalued_warning(char *s)
 181 {
 182     fprintf(stderr, "%s: w - line %d of \"%s\", the value of %s has been \
 183 redeclared\n", myname, lineno, input_file_name, s);
 184 }
 185
 186 void
 187 terminal_start(char *s)
 188 {
 189     fprintf(stderr, "%s: e - line %d of \"%s\", the start symbol %s is a \
 190 token\n", myname, lineno, input_file_name, s);
 191     done(1);
 192 }
 193
 194 void
 195 restarted_warning(void)
 196 {
 197     fprintf(stderr, "%s: w - line %d of \"%s\", the start symbol has been \
 198 redeclared\n", myname, lineno, input_file_name);
 199 }
 200
 201 void
 202 no_grammar(void)
 203 {
 204     fprintf(stderr, "%s: e - line %d of \"%s\", no grammar has been \
 205 specified\n", myname, lineno, input_file_name);
 206     done(1);
 207 }
 208
 209 void
 210 terminal_lhs(int s_lineno)
 211 {
 212     fprintf(stderr, "%s: e - line %d of \"%s\", a token appears on the lhs \
 213 of a production\n", myname, s_lineno, input_file_name);
 214     done(1);
 215 }
 216
 217 void
 218 prec_redeclared(void)
 219 {
 220     fprintf(stderr, "%s: w - line %d of  \"%s\", conflicting %%prec \
 221 specifiers\n", myname, lineno, input_file_name);
 222 }
 223
 224 void
 225 unterminated_action(int a_lineno, char *a_line, char *a_cptr)
 226 {
 227     fprintf(stderr, "%s: e - line %d of \"%s\", unterminated action\n",
 228             myname, a_lineno, input_file_name);
 229     print_pos(a_line, a_cptr);
 230     done(1);
 231 }
 232
 233 void
 234 dollar_warning(int a_lineno, int i)
 235 {
 236     fprintf(stderr, "%s: w - line %d of \"%s\", $%d references beyond the \
 237 end of the current rule\n", myname, a_lineno, input_file_name, i);
 238 }
 239
 240 __dead void
 241 dollar_error(int a_lineno, char *a_line, char *a_cptr)
 242 {
 243     fprintf(stderr, "%s: e - line %d of \"%s\", illegal $-name\n",
 244             myname, a_lineno, input_file_name);
 245     print_pos(a_line, a_cptr);
 246     done(1);
 247 }
 248
 249 __dead void
 250 untyped_lhs(void)
 251 {
 252     fprintf(stderr, "%s: e - line %d of \"%s\", $$ is untyped\n",
 253             myname, lineno, input_file_name);
 254     done(1);
 255 }
 256
 257 __dead void
 258 untyped_rhs(int i, char *s)
 259 {
 260     fprintf(stderr, "%s: e - line %d of \"%s\", $%d (%s) is untyped\n",
 261             myname, lineno, input_file_name, i, s);
 262     done(1);
 263 }
 264
 265 __dead void
 266 unknown_rhs(int i)
 267 {
 268     fprintf(stderr, "%s: e - line %d of \"%s\", $%d is untyped\n",
 269             myname, lineno, input_file_name, i);
 270     done(1);
 271 }
 272
 273 void
 274 default_action_warning(void)
 275 {
 276     fprintf(stderr,
 277             "%s: w - line %d of \"%s\", the default action assigns an \
 278 undefined value to $$\n", myname, lineno, input_file_name);
 279 }
 280
 281 void
 282 undefined_goal(char *s)
 283 {
 284     fprintf(stderr, "%s: e - the start symbol %s is undefined\n", myname, s);
 285     done(1);
 286 }
 287
 288 void
 289 undefined_symbol_warning(char *s)
 290 {
 291     fprintf(stderr, "%s: w - the symbol %s is undefined\n", myname, s);
 292 }