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442fe3bf DF |
1 | /* |
2 | * Copyright (c) 1980 Regents of the University of California. | |
c9bf2796 KB |
3 | * All rights reserved. |
4 | * | |
6ecf3d85 | 5 | * %sccs.include.redist.c% |
442fe3bf DF |
6 | */ |
7 | ||
8 | #ifndef lint | |
d04ff68f | 9 | static char sccsid[] = "@(#)subr.c 5.5 (Berkeley) %G%"; |
c9bf2796 | 10 | #endif /* not lint */ |
442fe3bf | 11 | |
a88a9a03 BJ |
12 | #include <stdio.h> |
13 | #include <ctype.h> | |
d04ff68f KB |
14 | #include <stdlib.h> |
15 | #include <string.h> | |
a88a9a03 BJ |
16 | #include "error.h" |
17 | /* | |
58195f21 | 18 | * Arrayify a list of rules |
a88a9a03 BJ |
19 | */ |
20 | arrayify(e_length, e_array, header) | |
58195f21 RH |
21 | int *e_length; |
22 | Eptr **e_array; | |
23 | Eptr header; | |
a88a9a03 | 24 | { |
58195f21 RH |
25 | reg Eptr errorp; |
26 | reg Eptr *array; | |
27 | reg int listlength; | |
28 | reg int listindex; | |
a88a9a03 BJ |
29 | |
30 | for (errorp = header, listlength = 0; | |
31 | errorp; errorp = errorp->error_next, listlength++) | |
32 | continue; | |
58195f21 | 33 | array = (Eptr*)Calloc(listlength+1, sizeof (Eptr)); |
a88a9a03 BJ |
34 | for(listindex = 0, errorp = header; |
35 | listindex < listlength; | |
36 | listindex++, errorp = errorp->error_next){ | |
37 | array[listindex] = errorp; | |
38 | errorp->error_position = listindex; | |
39 | } | |
58195f21 | 40 | array[listindex] = (Eptr)0; |
a88a9a03 BJ |
41 | *e_length = listlength; |
42 | *e_array = array; | |
43 | } | |
44 | ||
45 | /*VARARGS1*/ | |
46 | error(msg, a1, a2, a3) | |
47 | char *msg; | |
48 | { | |
49 | fprintf(stderr, "Error: "); | |
50 | fprintf(stderr, msg, a1, a2, a3); | |
51 | fprintf(stderr, "\n"); | |
52 | fflush(stdout); | |
53 | fflush(stderr); | |
54 | exit(6); | |
55 | } | |
56 | /*ARGSUSED*/ | |
57 | char *Calloc(nelements, size) | |
58 | int nelements; | |
59 | int size; | |
60 | { | |
61 | char *back; | |
62 | if ( (back = (char *)calloc(nelements, size)) == (char *)NULL){ | |
63 | error("Ran out of memory.\n"); | |
64 | exit(1); | |
65 | } | |
66 | return(back); | |
67 | } | |
68 | ||
69 | char *strsave(instring) | |
70 | char *instring; | |
71 | { | |
72 | char *outstring; | |
58195f21 RH |
73 | (void)strcpy(outstring = (char *)Calloc(1, strlen(instring) + 1), |
74 | instring); | |
a88a9a03 BJ |
75 | return(outstring); |
76 | } | |
77 | /* | |
78 | * find the position of a given character in a string | |
79 | * (one based) | |
80 | */ | |
81 | int position(string, ch) | |
58195f21 RH |
82 | reg char *string; |
83 | reg char ch; | |
a88a9a03 | 84 | { |
58195f21 | 85 | reg int i; |
338c4a5d | 86 | if (string) |
a88a9a03 BJ |
87 | for (i=1; *string; string++, i++){ |
88 | if (*string == ch) | |
89 | return(i); | |
90 | } | |
91 | return(-1); | |
92 | } | |
93 | /* | |
94 | * clobber the first occurance of ch in string by the new character | |
95 | */ | |
96 | char *substitute(string, chold, chnew) | |
97 | char *string; | |
98 | char chold, chnew; | |
99 | { | |
58195f21 | 100 | reg char *cp = string; |
a88a9a03 | 101 | |
338c4a5d | 102 | if (cp) |
a88a9a03 BJ |
103 | while (*cp){ |
104 | if (*cp == chold){ | |
105 | *cp = chnew; | |
106 | break; | |
107 | } | |
108 | cp++; | |
109 | } | |
110 | return(string); | |
111 | } | |
112 | ||
113 | char lastchar(string) | |
114 | char *string; | |
115 | { | |
116 | int length; | |
338c4a5d | 117 | if (string == 0) return('\0'); |
a88a9a03 BJ |
118 | length = strlen(string); |
119 | if (length >= 1) | |
120 | return(string[length-1]); | |
121 | else | |
122 | return('\0'); | |
123 | } | |
124 | ||
125 | char firstchar(string) | |
126 | char *string; | |
127 | { | |
338c4a5d SL |
128 | if (string) |
129 | return(string[0]); | |
130 | else | |
131 | return('\0'); | |
a88a9a03 BJ |
132 | } |
133 | ||
134 | char next_lastchar(string) | |
135 | char *string; | |
136 | { | |
137 | int length; | |
338c4a5d | 138 | if (string == 0) return('\0'); |
a88a9a03 BJ |
139 | length = strlen(string); |
140 | if (length >= 2) | |
141 | return(string[length - 2]); | |
142 | else | |
143 | return('\0'); | |
144 | } | |
145 | ||
146 | clob_last(string, newstuff) | |
147 | char *string, newstuff; | |
148 | { | |
338c4a5d SL |
149 | int length = 0; |
150 | if (string) | |
151 | length = strlen(string); | |
a88a9a03 BJ |
152 | if (length >= 1) |
153 | string[length - 1] = newstuff; | |
154 | } | |
155 | ||
156 | /* | |
157 | * parse a string that is the result of a format %s(%d) | |
158 | * return TRUE if this is of the proper format | |
159 | */ | |
160 | boolean persperdexplode(string, r_perd, r_pers) | |
161 | char *string; | |
162 | char **r_perd, **r_pers; | |
163 | { | |
58195f21 | 164 | reg char *cp; |
338c4a5d | 165 | int length = 0; |
a88a9a03 | 166 | |
338c4a5d SL |
167 | if (string) |
168 | length = strlen(string); | |
a88a9a03 BJ |
169 | if ( (length >= 4) |
170 | && (string[length - 1] == ')' ) ){ | |
171 | for (cp = &string[length - 2]; | |
172 | (isdigit(*cp)) && (*cp != '('); | |
173 | --cp) | |
174 | continue; | |
175 | if (*cp == '('){ | |
176 | string[length - 1] = '\0'; /* clobber the ) */ | |
177 | *r_perd = strsave(cp+1); | |
178 | string[length - 1] = ')'; | |
179 | *cp = '\0'; /* clobber the ( */ | |
180 | *r_pers = strsave(string); | |
181 | *cp = '('; | |
182 | return(TRUE); | |
183 | } | |
184 | } | |
185 | return(FALSE); | |
186 | } | |
187 | /* | |
188 | * parse a quoted string that is the result of a format \"%s\"(%d) | |
189 | * return TRUE if this is of the proper format | |
190 | */ | |
191 | boolean qpersperdexplode(string, r_perd, r_pers) | |
192 | char *string; | |
193 | char **r_perd, **r_pers; | |
194 | { | |
58195f21 | 195 | reg char *cp; |
338c4a5d | 196 | int length = 0; |
a88a9a03 | 197 | |
338c4a5d SL |
198 | if (string) |
199 | length = strlen(string); | |
a88a9a03 BJ |
200 | if ( (length >= 4) |
201 | && (string[length - 1] == ')' ) ){ | |
202 | for (cp = &string[length - 2]; | |
203 | (isdigit(*cp)) && (*cp != '('); | |
204 | --cp) | |
205 | continue; | |
206 | if (*cp == '(' && *(cp - 1) == '"'){ | |
207 | string[length - 1] = '\0'; | |
208 | *r_perd = strsave(cp+1); | |
209 | string[length - 1] = ')'; | |
210 | *(cp - 1) = '\0'; /* clobber the " */ | |
211 | *r_pers = strsave(string + 1); | |
212 | *(cp - 1) = '"'; | |
213 | return(TRUE); | |
214 | } | |
215 | } | |
216 | return(FALSE); | |
217 | } | |
218 | ||
219 | static char cincomment[] = CINCOMMENT; | |
220 | static char coutcomment[] = COUTCOMMENT; | |
221 | static char fincomment[] = FINCOMMENT; | |
222 | static char foutcomment[] = FOUTCOMMENT; | |
223 | static char newline[] = NEWLINE; | |
224 | static char piincomment[] = PIINCOMMENT; | |
225 | static char pioutcomment[] = PIOUTCOMMENT; | |
226 | static char lispincomment[] = LISPINCOMMENT; | |
227 | static char riincomment[] = RIINCOMMENT; | |
228 | static char rioutcomment[] = RIOUTCOMMENT; | |
243bdea5 RH |
229 | static char troffincomment[] = TROFFINCOMMENT; |
230 | static char troffoutcomment[] = TROFFOUTCOMMENT; | |
07e24738 RH |
231 | static char mod2incomment[] = MOD2INCOMMENT; |
232 | static char mod2outcomment[] = MOD2OUTCOMMENT; | |
a88a9a03 BJ |
233 | |
234 | struct lang_desc lang_table[] = { | |
235 | /*INUNKNOWN 0*/ "unknown", cincomment, coutcomment, | |
236 | /*INCPP 1*/ "cpp", cincomment, coutcomment, | |
237 | /*INCC 2*/ "cc", cincomment, coutcomment, | |
238 | /*INAS 3*/ "as", ASINCOMMENT, newline, | |
239 | /*INLD 4*/ "ld", cincomment, coutcomment, | |
240 | /*INLINT 5*/ "lint", cincomment, coutcomment, | |
241 | /*INF77 6*/ "f77", fincomment, foutcomment, | |
242 | /*INPI 7*/ "pi", piincomment, pioutcomment, | |
243 | /*INPC 8*/ "pc", piincomment, pioutcomment, | |
244 | /*INFRANZ 9*/ "franz",lispincomment, newline, | |
245 | /*INLISP 10*/ "lisp", lispincomment, newline, | |
246 | /*INVAXIMA 11*/ "vaxima",lispincomment,newline, | |
247 | /*INRATFOR 12*/ "ratfor",fincomment, foutcomment, | |
248 | /*INLEX 13*/ "lex", cincomment, coutcomment, | |
249 | /*INYACC 14*/ "yacc", cincomment, coutcomment, | |
250 | /*INAPL 15*/ "apl", ".lm", newline, | |
251 | /*INMAKE 16*/ "make", ASINCOMMENT, newline, | |
252 | /*INRI 17*/ "ri", riincomment, rioutcomment, | |
243bdea5 | 253 | /*INTROFF 18*/ "troff",troffincomment,troffoutcomment, |
07e24738 | 254 | /*INMOD2 19*/ "mod2", mod2incomment, mod2outcomment, |
a88a9a03 BJ |
255 | 0, 0, 0 |
256 | }; | |
257 | ||
258 | printerrors(look_at_subclass, errorc, errorv) | |
259 | boolean look_at_subclass; | |
260 | int errorc; | |
58195f21 | 261 | Eptr errorv[]; |
a88a9a03 | 262 | { |
58195f21 RH |
263 | reg int i; |
264 | reg Eptr errorp; | |
265 | ||
a88a9a03 BJ |
266 | for (errorp = errorv[i = 0]; i < errorc; errorp = errorv[++i]){ |
267 | if (errorp->error_e_class == C_IGNORE) | |
268 | continue; | |
269 | if (look_at_subclass && errorp->error_s_class == C_DUPL) | |
270 | continue; | |
271 | printf("Error %d, (%s error) [%s], text = \"", | |
272 | i, | |
273 | class_table[errorp->error_e_class], | |
274 | lang_table[errorp->error_language].lang_name); | |
275 | wordvprint(stdout,errorp->error_lgtext,errorp->error_text); | |
276 | printf("\"\n"); | |
277 | } | |
278 | } | |
279 | ||
280 | wordvprint(fyle, wordc, wordv) | |
281 | FILE *fyle; | |
282 | int wordc; | |
283 | char *wordv[]; | |
284 | { | |
285 | int i; | |
802448ad SL |
286 | char *sep = ""; |
287 | ||
288 | for(i = 0; i < wordc; i++) | |
289 | if (wordv[i]) { | |
290 | fprintf(fyle, "%s%s",sep,wordv[i]); | |
291 | sep = " "; | |
292 | } | |
a88a9a03 BJ |
293 | } |
294 | ||
295 | /* | |
296 | * Given a string, parse it into a number of words, and build | |
297 | * a wordc wordv combination pointing into it. | |
298 | */ | |
299 | wordvbuild(string, r_wordc, r_wordv) | |
300 | char *string; | |
301 | int *r_wordc; | |
302 | char ***r_wordv; | |
303 | { | |
58195f21 RH |
304 | reg char *cp; |
305 | char *saltedbuffer; | |
306 | char **wordv; | |
307 | int wordcount; | |
308 | int wordindex; | |
a88a9a03 BJ |
309 | |
310 | saltedbuffer = strsave(string); | |
311 | for (wordcount = 0, cp = saltedbuffer; *cp; wordcount++){ | |
312 | while (*cp && isspace(*cp)) | |
313 | cp++; | |
314 | if (*cp == 0) | |
315 | break; | |
316 | while (!isspace(*cp)) | |
317 | cp++; | |
318 | } | |
319 | wordv = (char **)Calloc(wordcount + 1, sizeof (char *)); | |
320 | for (cp=saltedbuffer,wordindex=0; wordcount; wordindex++,--wordcount){ | |
321 | while (*cp && isspace(*cp)) | |
322 | cp++; | |
323 | if (*cp == 0) | |
324 | break; | |
325 | wordv[wordindex] = cp; | |
326 | while(!isspace(*cp)) | |
327 | cp++; | |
328 | *cp++ = '\0'; | |
329 | } | |
330 | if (wordcount != 0) | |
331 | error("Initial miscount of the number of words in a line\n"); | |
332 | wordv[wordindex] = (char *)0; | |
333 | #ifdef FULLDEBUG | |
334 | for (wordcount = 0; wordcount < wordindex; wordcount++) | |
335 | printf("Word %d = \"%s\"\n", wordcount, wordv[wordcount]); | |
336 | printf("\n"); | |
337 | #endif | |
338 | *r_wordc = wordindex; | |
339 | *r_wordv = wordv; | |
340 | } | |
341 | /* | |
342 | * Compare two 0 based wordvectors | |
343 | */ | |
344 | int wordvcmp(wordv1, wordc, wordv2) | |
345 | char **wordv1; | |
346 | int wordc; | |
347 | char **wordv2; | |
348 | { | |
58195f21 RH |
349 | reg int i; |
350 | int back; | |
a88a9a03 | 351 | for (i = 0; i < wordc; i++){ |
338c4a5d SL |
352 | if (wordv1[i] == 0 || wordv2[i] == 0) |
353 | return(-1); | |
a88a9a03 BJ |
354 | if (back = strcmp(wordv1[i], wordv2[i])){ |
355 | return(back); | |
356 | } | |
357 | } | |
358 | return(0); /* they are equal */ | |
359 | } | |
360 | ||
361 | /* | |
362 | * splice a 0 basedword vector onto the tail of a | |
363 | * new wordv, allowing the first emptyhead slots to be empty | |
364 | */ | |
365 | char **wordvsplice(emptyhead, wordc, wordv) | |
366 | int emptyhead; | |
367 | int wordc; | |
368 | char **wordv; | |
369 | { | |
58195f21 RH |
370 | reg char **nwordv; |
371 | int nwordc = emptyhead + wordc; | |
372 | reg int i; | |
a88a9a03 BJ |
373 | |
374 | nwordv = (char **)Calloc(nwordc, sizeof (char *)); | |
375 | for (i = 0; i < emptyhead; i++) | |
376 | nwordv[i] = 0; | |
377 | for(i = emptyhead; i < nwordc; i++){ | |
378 | nwordv[i] = wordv[i-emptyhead]; | |
379 | } | |
380 | return(nwordv); | |
381 | } | |
58195f21 RH |
382 | /* |
383 | * plural'ize and verb forms | |
384 | */ | |
385 | static char *S = "s"; | |
386 | static char *N = ""; | |
387 | char *plural(n) | |
388 | int n; | |
389 | { | |
390 | return( n > 1 ? S : N); | |
391 | } | |
392 | char *verbform(n) | |
393 | int n; | |
394 | { | |
395 | return( n > 1 ? N : S); | |
396 | } | |
397 |