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a88a9a03 BJ |
1 | static char *sccsid = "@(#)subr.c 1.1 (Berkeley) %G%"; |
2 | #include <stdio.h> | |
3 | #include <ctype.h> | |
4 | #include "error.h" | |
5 | /* | |
6 | * go through and arrayify a list of rules | |
7 | */ | |
8 | arrayify(e_length, e_array, header) | |
9 | int *e_length; | |
10 | struct error_desc ***e_array; | |
11 | struct error_desc *header; | |
12 | { | |
13 | register struct error_desc *errorp; | |
14 | register struct error_desc **array; | |
15 | register int listlength; | |
16 | register int listindex; | |
17 | ||
18 | for (errorp = header, listlength = 0; | |
19 | errorp; errorp = errorp->error_next, listlength++) | |
20 | continue; | |
21 | array = (struct error_desc **)Calloc(listlength+1,sizeof (struct error_desc*)); | |
22 | for(listindex = 0, errorp = header; | |
23 | listindex < listlength; | |
24 | listindex++, errorp = errorp->error_next){ | |
25 | array[listindex] = errorp; | |
26 | errorp->error_position = listindex; | |
27 | } | |
28 | array[listindex] = (struct error_desc *)0; | |
29 | *e_length = listlength; | |
30 | *e_array = array; | |
31 | } | |
32 | ||
33 | /*VARARGS1*/ | |
34 | error(msg, a1, a2, a3) | |
35 | char *msg; | |
36 | { | |
37 | fprintf(stderr, "Error: "); | |
38 | fprintf(stderr, msg, a1, a2, a3); | |
39 | fprintf(stderr, "\n"); | |
40 | fflush(stdout); | |
41 | fflush(stderr); | |
42 | exit(6); | |
43 | } | |
44 | /*ARGSUSED*/ | |
45 | char *Calloc(nelements, size) | |
46 | int nelements; | |
47 | int size; | |
48 | { | |
49 | char *back; | |
50 | if ( (back = (char *)calloc(nelements, size)) == (char *)NULL){ | |
51 | error("Ran out of memory.\n"); | |
52 | exit(1); | |
53 | } | |
54 | return(back); | |
55 | } | |
56 | ||
57 | char *strsave(instring) | |
58 | char *instring; | |
59 | { | |
60 | char *outstring; | |
61 | strcpy(outstring = (char *)Calloc(1, strlen(instring) + 1), instring); | |
62 | return(outstring); | |
63 | } | |
64 | /* | |
65 | * find the position of a given character in a string | |
66 | * (one based) | |
67 | */ | |
68 | int position(string, ch) | |
69 | register char *string; | |
70 | register char ch; | |
71 | { | |
72 | register int i; | |
73 | for (i=1; *string; string++, i++){ | |
74 | if (*string == ch) | |
75 | return(i); | |
76 | } | |
77 | return(-1); | |
78 | } | |
79 | /* | |
80 | * clobber the first occurance of ch in string by the new character | |
81 | */ | |
82 | char *substitute(string, chold, chnew) | |
83 | char *string; | |
84 | char chold, chnew; | |
85 | { | |
86 | register char *cp = string; | |
87 | ||
88 | while (*cp){ | |
89 | if (*cp == chold){ | |
90 | *cp = chnew; | |
91 | break; | |
92 | } | |
93 | cp++; | |
94 | } | |
95 | return(string); | |
96 | } | |
97 | ||
98 | char lastchar(string) | |
99 | char *string; | |
100 | { | |
101 | int length; | |
102 | length = strlen(string); | |
103 | if (length >= 1) | |
104 | return(string[length-1]); | |
105 | else | |
106 | return('\0'); | |
107 | } | |
108 | ||
109 | char firstchar(string) | |
110 | char *string; | |
111 | { | |
112 | return(string[0]); | |
113 | } | |
114 | ||
115 | char next_lastchar(string) | |
116 | char *string; | |
117 | { | |
118 | int length; | |
119 | length = strlen(string); | |
120 | if (length >= 2) | |
121 | return(string[length - 2]); | |
122 | else | |
123 | return('\0'); | |
124 | } | |
125 | ||
126 | clob_last(string, newstuff) | |
127 | char *string, newstuff; | |
128 | { | |
129 | int length; | |
130 | length = strlen(string); | |
131 | if (length >= 1) | |
132 | string[length - 1] = newstuff; | |
133 | } | |
134 | ||
135 | /* | |
136 | * parse a string that is the result of a format %s(%d) | |
137 | * return TRUE if this is of the proper format | |
138 | */ | |
139 | boolean persperdexplode(string, r_perd, r_pers) | |
140 | char *string; | |
141 | char **r_perd, **r_pers; | |
142 | { | |
143 | register char *cp; | |
144 | int length; | |
145 | ||
146 | length = strlen(string); | |
147 | if ( (length >= 4) | |
148 | && (string[length - 1] == ')' ) ){ | |
149 | for (cp = &string[length - 2]; | |
150 | (isdigit(*cp)) && (*cp != '('); | |
151 | --cp) | |
152 | continue; | |
153 | if (*cp == '('){ | |
154 | string[length - 1] = '\0'; /* clobber the ) */ | |
155 | *r_perd = strsave(cp+1); | |
156 | string[length - 1] = ')'; | |
157 | *cp = '\0'; /* clobber the ( */ | |
158 | *r_pers = strsave(string); | |
159 | *cp = '('; | |
160 | return(TRUE); | |
161 | } | |
162 | } | |
163 | return(FALSE); | |
164 | } | |
165 | /* | |
166 | * parse a quoted string that is the result of a format \"%s\"(%d) | |
167 | * return TRUE if this is of the proper format | |
168 | */ | |
169 | boolean qpersperdexplode(string, r_perd, r_pers) | |
170 | char *string; | |
171 | char **r_perd, **r_pers; | |
172 | { | |
173 | register char *cp; | |
174 | int length; | |
175 | ||
176 | length = strlen(string); | |
177 | if ( (length >= 4) | |
178 | && (string[length - 1] == ')' ) ){ | |
179 | for (cp = &string[length - 2]; | |
180 | (isdigit(*cp)) && (*cp != '('); | |
181 | --cp) | |
182 | continue; | |
183 | if (*cp == '(' && *(cp - 1) == '"'){ | |
184 | string[length - 1] = '\0'; | |
185 | *r_perd = strsave(cp+1); | |
186 | string[length - 1] = ')'; | |
187 | *(cp - 1) = '\0'; /* clobber the " */ | |
188 | *r_pers = strsave(string + 1); | |
189 | *(cp - 1) = '"'; | |
190 | return(TRUE); | |
191 | } | |
192 | } | |
193 | return(FALSE); | |
194 | } | |
195 | ||
196 | static char cincomment[] = CINCOMMENT; | |
197 | static char coutcomment[] = COUTCOMMENT; | |
198 | static char fincomment[] = FINCOMMENT; | |
199 | static char foutcomment[] = FOUTCOMMENT; | |
200 | static char newline[] = NEWLINE; | |
201 | static char piincomment[] = PIINCOMMENT; | |
202 | static char pioutcomment[] = PIOUTCOMMENT; | |
203 | static char lispincomment[] = LISPINCOMMENT; | |
204 | static char riincomment[] = RIINCOMMENT; | |
205 | static char rioutcomment[] = RIOUTCOMMENT; | |
206 | ||
207 | struct lang_desc lang_table[] = { | |
208 | /*INUNKNOWN 0*/ "unknown", cincomment, coutcomment, | |
209 | /*INCPP 1*/ "cpp", cincomment, coutcomment, | |
210 | /*INCC 2*/ "cc", cincomment, coutcomment, | |
211 | /*INAS 3*/ "as", ASINCOMMENT, newline, | |
212 | /*INLD 4*/ "ld", cincomment, coutcomment, | |
213 | /*INLINT 5*/ "lint", cincomment, coutcomment, | |
214 | /*INF77 6*/ "f77", fincomment, foutcomment, | |
215 | /*INPI 7*/ "pi", piincomment, pioutcomment, | |
216 | /*INPC 8*/ "pc", piincomment, pioutcomment, | |
217 | /*INFRANZ 9*/ "franz",lispincomment, newline, | |
218 | /*INLISP 10*/ "lisp", lispincomment, newline, | |
219 | /*INVAXIMA 11*/ "vaxima",lispincomment,newline, | |
220 | /*INRATFOR 12*/ "ratfor",fincomment, foutcomment, | |
221 | /*INLEX 13*/ "lex", cincomment, coutcomment, | |
222 | /*INYACC 14*/ "yacc", cincomment, coutcomment, | |
223 | /*INAPL 15*/ "apl", ".lm", newline, | |
224 | /*INMAKE 16*/ "make", ASINCOMMENT, newline, | |
225 | /*INRI 17*/ "ri", riincomment, rioutcomment, | |
226 | 0, 0, 0 | |
227 | }; | |
228 | ||
229 | printerrors(look_at_subclass, errorc, errorv) | |
230 | boolean look_at_subclass; | |
231 | int errorc; | |
232 | struct error_desc *errorv[]; | |
233 | { | |
234 | register int i; | |
235 | register struct error_desc *errorp; | |
236 | for (errorp = errorv[i = 0]; i < errorc; errorp = errorv[++i]){ | |
237 | if (errorp->error_e_class == C_IGNORE) | |
238 | continue; | |
239 | if (look_at_subclass && errorp->error_s_class == C_DUPL) | |
240 | continue; | |
241 | printf("Error %d, (%s error) [%s], text = \"", | |
242 | i, | |
243 | class_table[errorp->error_e_class], | |
244 | lang_table[errorp->error_language].lang_name); | |
245 | wordvprint(stdout,errorp->error_lgtext,errorp->error_text); | |
246 | printf("\"\n"); | |
247 | } | |
248 | } | |
249 | ||
250 | wordvprint(fyle, wordc, wordv) | |
251 | FILE *fyle; | |
252 | int wordc; | |
253 | char *wordv[]; | |
254 | { | |
255 | int i; | |
256 | for(i = 0; i < wordc; i++){ | |
257 | fprintf(fyle, "%s",wordv[i]); | |
258 | if (i != wordc - 1) | |
259 | fprintf(fyle, " "); | |
260 | } | |
261 | } | |
262 | ||
263 | /* | |
264 | * Given a string, parse it into a number of words, and build | |
265 | * a wordc wordv combination pointing into it. | |
266 | */ | |
267 | wordvbuild(string, r_wordc, r_wordv) | |
268 | char *string; | |
269 | int *r_wordc; | |
270 | char ***r_wordv; | |
271 | { | |
272 | register char *cp; | |
273 | char *saltedbuffer; | |
274 | char **wordv; | |
275 | int wordcount; | |
276 | int wordindex; | |
277 | ||
278 | saltedbuffer = strsave(string); | |
279 | for (wordcount = 0, cp = saltedbuffer; *cp; wordcount++){ | |
280 | while (*cp && isspace(*cp)) | |
281 | cp++; | |
282 | if (*cp == 0) | |
283 | break; | |
284 | while (!isspace(*cp)) | |
285 | cp++; | |
286 | } | |
287 | wordv = (char **)Calloc(wordcount + 1, sizeof (char *)); | |
288 | for (cp=saltedbuffer,wordindex=0; wordcount; wordindex++,--wordcount){ | |
289 | while (*cp && isspace(*cp)) | |
290 | cp++; | |
291 | if (*cp == 0) | |
292 | break; | |
293 | wordv[wordindex] = cp; | |
294 | while(!isspace(*cp)) | |
295 | cp++; | |
296 | *cp++ = '\0'; | |
297 | } | |
298 | if (wordcount != 0) | |
299 | error("Initial miscount of the number of words in a line\n"); | |
300 | wordv[wordindex] = (char *)0; | |
301 | #ifdef FULLDEBUG | |
302 | for (wordcount = 0; wordcount < wordindex; wordcount++) | |
303 | printf("Word %d = \"%s\"\n", wordcount, wordv[wordcount]); | |
304 | printf("\n"); | |
305 | #endif | |
306 | *r_wordc = wordindex; | |
307 | *r_wordv = wordv; | |
308 | } | |
309 | /* | |
310 | * Compare two 0 based wordvectors | |
311 | */ | |
312 | int wordvcmp(wordv1, wordc, wordv2) | |
313 | char **wordv1; | |
314 | int wordc; | |
315 | char **wordv2; | |
316 | { | |
317 | register int i; | |
318 | int back; | |
319 | for (i = 0; i < wordc; i++){ | |
320 | if (back = strcmp(wordv1[i], wordv2[i])){ | |
321 | return(back); | |
322 | } | |
323 | } | |
324 | return(0); /* they are equal */ | |
325 | } | |
326 | ||
327 | /* | |
328 | * splice a 0 basedword vector onto the tail of a | |
329 | * new wordv, allowing the first emptyhead slots to be empty | |
330 | */ | |
331 | char **wordvsplice(emptyhead, wordc, wordv) | |
332 | int emptyhead; | |
333 | int wordc; | |
334 | char **wordv; | |
335 | { | |
336 | register char **nwordv; | |
337 | int nwordc = emptyhead + wordc; | |
338 | register int i; | |
339 | ||
340 | nwordv = (char **)Calloc(nwordc, sizeof (char *)); | |
341 | for (i = 0; i < emptyhead; i++) | |
342 | nwordv[i] = 0; | |
343 | for(i = emptyhead; i < nwordc; i++){ | |
344 | nwordv[i] = wordv[i-emptyhead]; | |
345 | } | |
346 | return(nwordv); | |
347 | } |