| 1 | /* routines for printing error messages */ |
| 2 | |
| 3 | #include "defs.h" |
| 4 | |
| 5 | |
| 6 | fatal(msg) |
| 7 | char *msg; |
| 8 | { |
| 9 | fprintf(stderr, "%s: f - %s\n", myname, msg); |
| 10 | done(2); |
| 11 | } |
| 12 | |
| 13 | |
| 14 | no_space() |
| 15 | { |
| 16 | fprintf(stderr, "%s: f - out of space\n", myname); |
| 17 | done(2); |
| 18 | } |
| 19 | |
| 20 | |
| 21 | open_error(filename) |
| 22 | char *filename; |
| 23 | { |
| 24 | fprintf(stderr, "%s: f - cannot open \"%s\"\n", myname, filename); |
| 25 | done(2); |
| 26 | } |
| 27 | |
| 28 | |
| 29 | unexpected_EOF() |
| 30 | { |
| 31 | fprintf(stderr, "%s: e - line %d of \"%s\", unexpected end-of-file\n", |
| 32 | myname, lineno, input_file_name); |
| 33 | done(1); |
| 34 | } |
| 35 | |
| 36 | |
| 37 | print_pos(st_line, st_cptr) |
| 38 | char *st_line; |
| 39 | char *st_cptr; |
| 40 | { |
| 41 | register char *s; |
| 42 | |
| 43 | if (st_line == 0) return; |
| 44 | for (s = st_line; *s != '\n'; ++s) |
| 45 | { |
| 46 | if (isprint(*s) || *s == '\t') |
| 47 | putc(*s, stderr); |
| 48 | else |
| 49 | putc('?', stderr); |
| 50 | } |
| 51 | putc('\n', stderr); |
| 52 | for (s = st_line; s < st_cptr; ++s) |
| 53 | { |
| 54 | if (*s == '\t') |
| 55 | putc('\t', stderr); |
| 56 | else |
| 57 | putc(' ', stderr); |
| 58 | } |
| 59 | putc('^', stderr); |
| 60 | putc('\n', stderr); |
| 61 | } |
| 62 | |
| 63 | |
| 64 | syntax_error(st_lineno, st_line, st_cptr) |
| 65 | int st_lineno; |
| 66 | char *st_line; |
| 67 | char *st_cptr; |
| 68 | { |
| 69 | fprintf(stderr, "%s: e - line %d of \"%s\", syntax error\n", |
| 70 | myname, st_lineno, input_file_name); |
| 71 | print_pos(st_line, st_cptr); |
| 72 | done(1); |
| 73 | } |
| 74 | |
| 75 | |
| 76 | unterminated_comment(c_lineno, c_line, c_cptr) |
| 77 | int c_lineno; |
| 78 | char *c_line; |
| 79 | char *c_cptr; |
| 80 | { |
| 81 | fprintf(stderr, "%s: e - line %d of \"%s\", unmatched /*\n", |
| 82 | myname, c_lineno, input_file_name); |
| 83 | print_pos(c_line, c_cptr); |
| 84 | done(1); |
| 85 | } |
| 86 | |
| 87 | |
| 88 | unterminated_string(s_lineno, s_line, s_cptr) |
| 89 | int s_lineno; |
| 90 | char *s_line; |
| 91 | char *s_cptr; |
| 92 | { |
| 93 | fprintf(stderr, "%s: e - line %d of \"%s\", unterminated string\n", |
| 94 | myname, s_lineno, input_file_name); |
| 95 | print_pos(s_line, s_cptr); |
| 96 | done(1); |
| 97 | } |
| 98 | |
| 99 | |
| 100 | unterminated_text(t_lineno, t_line, t_cptr) |
| 101 | int t_lineno; |
| 102 | char *t_line; |
| 103 | char *t_cptr; |
| 104 | { |
| 105 | fprintf(stderr, "%s: e - line %d of \"%s\", unmatched %%{\n", |
| 106 | myname, t_lineno, input_file_name); |
| 107 | print_pos(t_line, t_cptr); |
| 108 | done(1); |
| 109 | } |
| 110 | |
| 111 | |
| 112 | unterminated_union(u_lineno, u_line, u_cptr) |
| 113 | int u_lineno; |
| 114 | char *u_line; |
| 115 | char *u_cptr; |
| 116 | { |
| 117 | fprintf(stderr, "%s: e - line %d of \"%s\", unterminated %%union \ |
| 118 | declaration\n", myname, u_lineno, input_file_name); |
| 119 | print_pos(u_line, u_cptr); |
| 120 | done(1); |
| 121 | } |
| 122 | |
| 123 | |
| 124 | over_unionized(u_cptr) |
| 125 | char *u_cptr; |
| 126 | { |
| 127 | fprintf(stderr, "%s: e - line %d of \"%s\", too many %%union \ |
| 128 | declarations\n", myname, lineno, input_file_name); |
| 129 | print_pos(line, u_cptr); |
| 130 | done(1); |
| 131 | } |
| 132 | |
| 133 | |
| 134 | illegal_tag(t_lineno, t_line, t_cptr) |
| 135 | int t_lineno; |
| 136 | char *t_line; |
| 137 | char *t_cptr; |
| 138 | { |
| 139 | fprintf(stderr, "%s: e - line %d of \"%s\", illegal tag\n", |
| 140 | myname, t_lineno, input_file_name); |
| 141 | print_pos(t_line, t_cptr); |
| 142 | done(1); |
| 143 | } |
| 144 | |
| 145 | |
| 146 | illegal_character(c_cptr) |
| 147 | char *c_cptr; |
| 148 | { |
| 149 | fprintf(stderr, "%s: e - line %d of \"%s\", illegal character\n", |
| 150 | myname, lineno, input_file_name); |
| 151 | print_pos(line, c_cptr); |
| 152 | done(1); |
| 153 | } |
| 154 | |
| 155 | |
| 156 | used_reserved(s) |
| 157 | char *s; |
| 158 | { |
| 159 | fprintf(stderr, "%s: e - line %d of \"%s\", illegal use of reserved symbol \ |
| 160 | %s\n", myname, lineno, input_file_name, s); |
| 161 | done(1); |
| 162 | } |
| 163 | |
| 164 | |
| 165 | tokenized_start(s) |
| 166 | char *s; |
| 167 | { |
| 168 | fprintf(stderr, "%s: e - line %d of \"%s\", the start symbol %s cannot be \ |
| 169 | declared to be a token\n", myname, lineno, input_file_name, s); |
| 170 | done(1); |
| 171 | } |
| 172 | |
| 173 | |
| 174 | retyped_warning(s) |
| 175 | char *s; |
| 176 | { |
| 177 | fprintf(stderr, "%s: w - line %d of \"%s\", the type of %s has been \ |
| 178 | redeclared\n", myname, lineno, input_file_name, s); |
| 179 | } |
| 180 | |
| 181 | |
| 182 | reprec_warning(s) |
| 183 | char *s; |
| 184 | { |
| 185 | fprintf(stderr, "%s: w - line %d of \"%s\", the precedence of %s has been \ |
| 186 | redeclared\n", myname, lineno, input_file_name, s); |
| 187 | } |
| 188 | |
| 189 | |
| 190 | revalued_warning(s) |
| 191 | char *s; |
| 192 | { |
| 193 | fprintf(stderr, "%s: w - line %d of \"%s\", the value of %s has been \ |
| 194 | redeclared\n", myname, lineno, input_file_name, s); |
| 195 | } |
| 196 | |
| 197 | |
| 198 | terminal_start(s) |
| 199 | char *s; |
| 200 | { |
| 201 | fprintf(stderr, "%s: e - line %d of \"%s\", the start symbol %s is a \ |
| 202 | token\n", myname, lineno, input_file_name, s); |
| 203 | done(1); |
| 204 | } |
| 205 | |
| 206 | |
| 207 | restarted_warning() |
| 208 | { |
| 209 | fprintf(stderr, "%s: w - line %d of \"%s\", the start symbol has been \ |
| 210 | redeclared\n", myname, lineno, input_file_name); |
| 211 | } |
| 212 | |
| 213 | |
| 214 | no_grammar() |
| 215 | { |
| 216 | fprintf(stderr, "%s: e - line %d of \"%s\", no grammar has been \ |
| 217 | specified\n", myname, lineno, input_file_name); |
| 218 | done(1); |
| 219 | } |
| 220 | |
| 221 | |
| 222 | terminal_lhs(s_lineno) |
| 223 | int s_lineno; |
| 224 | { |
| 225 | fprintf(stderr, "%s: e - line %d of \"%s\", a token appears on the lhs \ |
| 226 | of a production\n", myname, s_lineno, input_file_name); |
| 227 | done(1); |
| 228 | } |
| 229 | |
| 230 | |
| 231 | prec_redeclared() |
| 232 | { |
| 233 | fprintf(stderr, "%s: w - line %d of \"%s\", conflicting %%prec \ |
| 234 | specifiers\n", myname, lineno, input_file_name); |
| 235 | } |
| 236 | |
| 237 | |
| 238 | unterminated_action(a_lineno, a_line, a_cptr) |
| 239 | int a_lineno; |
| 240 | char *a_line; |
| 241 | char *a_cptr; |
| 242 | { |
| 243 | fprintf(stderr, "%s: e - line %d of \"%s\", unterminated action\n", |
| 244 | myname, a_lineno, input_file_name); |
| 245 | print_pos(a_line, a_cptr); |
| 246 | done(1); |
| 247 | } |
| 248 | |
| 249 | |
| 250 | dollar_warning(a_lineno, i) |
| 251 | int a_lineno; |
| 252 | int i; |
| 253 | { |
| 254 | fprintf(stderr, "%s: w - line %d of \"%s\", $%d references beyond the \ |
| 255 | end of the current rule\n", myname, a_lineno, input_file_name, i); |
| 256 | } |
| 257 | |
| 258 | |
| 259 | dollar_error(a_lineno, a_line, a_cptr) |
| 260 | int a_lineno; |
| 261 | char *a_line; |
| 262 | char *a_cptr; |
| 263 | { |
| 264 | fprintf(stderr, "%s: e - line %d of \"%s\", illegal $-name\n", |
| 265 | myname, a_lineno, input_file_name); |
| 266 | print_pos(a_line, a_cptr); |
| 267 | done(1); |
| 268 | } |
| 269 | |
| 270 | |
| 271 | untyped_lhs() |
| 272 | { |
| 273 | fprintf(stderr, "%s: e - line %d of \"%s\", $$ is untyped\n", |
| 274 | myname, lineno, input_file_name); |
| 275 | done(1); |
| 276 | } |
| 277 | |
| 278 | |
| 279 | untyped_rhs(i, s) |
| 280 | int i; |
| 281 | char *s; |
| 282 | { |
| 283 | fprintf(stderr, "%s: e - line %d of \"%s\", $%d (%s) is untyped\n", |
| 284 | myname, lineno, input_file_name, i, s); |
| 285 | done(1); |
| 286 | } |
| 287 | |
| 288 | |
| 289 | unknown_rhs(i) |
| 290 | int i; |
| 291 | { |
| 292 | fprintf(stderr, "%s: e - line %d of \"%s\", $%d is untyped\n", |
| 293 | myname, lineno, input_file_name, i); |
| 294 | done(1); |
| 295 | } |
| 296 | |
| 297 | |
| 298 | default_action_warning() |
| 299 | { |
| 300 | fprintf(stderr, "%s: w - line %d of \"%s\", the default action assigns an \ |
| 301 | undefined value to $$\n", myname, lineno, input_file_name); |
| 302 | } |
| 303 | |
| 304 | |
| 305 | undefined_goal(s) |
| 306 | char *s; |
| 307 | { |
| 308 | fprintf(stderr, "%s: e - the start symbol %s is undefined\n", myname, s); |
| 309 | done(1); |
| 310 | } |
| 311 | |
| 312 | |
| 313 | undefined_symbol_warning(s) |
| 314 | char *s; |
| 315 | { |
| 316 | fprintf(stderr, "%s: w - the symbol %s is undefined\n", myname, s); |
| 317 | } |