Commit | Line | Data |
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76797561 DF |
1 | /* |
2 | * Copyright (c) 1980 Regents of the University of California. | |
3 | * All rights reserved. The Berkeley software License Agreement | |
4 | * specifies the terms and conditions for redistribution. | |
5 | */ | |
6 | ||
7 | #ifndef lint | |
8 | static char sccsid[] = "@(#)vfontedpr.c 5.1 (Berkeley) %G%"; | |
9 | #endif not lint | |
edd148a9 | 10 | |
0b79a041 BJ |
11 | #include <ctype.h> |
12 | #include <stdio.h> | |
13 | #include <sys/types.h> | |
14 | #include <sys/stat.h> | |
15 | ||
a388f2af BJ |
16 | #define boolean int |
17 | #define TRUE 1 | |
18 | #define FALSE 0 | |
19 | #define NIL 0 | |
d72dd43f DP |
20 | #define STANDARD 0 |
21 | #define ALTERNATE 1 | |
a388f2af | 22 | |
0b79a041 BJ |
23 | /* |
24 | * Vfontedpr. | |
25 | * | |
a388f2af | 26 | * Dave Presotto 1/12/81 (adapted from an earlier version by Bill Joy) |
f5fa559c BJ |
27 | * |
28 | */ | |
f5fa559c BJ |
29 | |
30 | #define STRLEN 10 /* length of strings introducing things */ | |
31 | #define PNAMELEN 40 /* length of a function/procedure name */ | |
a388f2af | 32 | #define PSMAX 20 /* size of procedure name stacking */ |
f5fa559c | 33 | |
a388f2af | 34 | /* regular expression routines */ |
b48967e6 | 35 | |
a388f2af BJ |
36 | char *expmatch(); /* match a string to an expression */ |
37 | char *STRNCMP(); /* a different kindof strncmp */ | |
38 | char *convexp(); /* convert expression to internal form */ | |
1a8c1b81 | 39 | char *tgetstr(); |
a388f2af BJ |
40 | |
41 | boolean isproc(); | |
f5fa559c | 42 | |
f5fa559c | 43 | |
0b79a041 | 44 | char *ctime(); |
a388f2af BJ |
45 | |
46 | /* | |
47 | * The state variables | |
48 | */ | |
49 | ||
50 | boolean incomm; /* in a comment of the primary type */ | |
51 | boolean instr; /* in a string constant */ | |
52 | boolean inchr; /* in a string constant */ | |
53 | boolean nokeyw = FALSE; /* no keywords being flagged */ | |
54 | boolean index = FALSE; /* form an index */ | |
55 | boolean filter = FALSE; /* act as a filter (like eqn) */ | |
56 | boolean pass = FALSE; /* when acting as a filter, pass indicates | |
57 | * whether we are currently processing | |
58 | * input. | |
59 | */ | |
60 | boolean prccont; /* continue last procedure */ | |
d72dd43f | 61 | int comtype; /* type of comment */ |
0b79a041 | 62 | int margin; |
a388f2af BJ |
63 | int psptr; /* the stack index of the current procedure */ |
64 | char pstack[PSMAX][PNAMELEN+1]; /* the procedure name stack */ | |
65 | int plstack[PSMAX]; /* the procedure nesting level stack */ | |
66 | int blklevel; /* current nesting level */ | |
67 | char *defsfile = "/usr/lib/vgrindefs"; /* name of language definitions file */ | |
68 | char pname[BUFSIZ+1]; | |
b48967e6 | 69 | |
a388f2af BJ |
70 | /* |
71 | * The language specific globals | |
72 | */ | |
73 | ||
74 | char *language = "c"; /* the language indicator */ | |
75 | char *l_keywds[BUFSIZ/2]; /* keyword table address */ | |
76 | char *l_prcbeg; /* regular expr for procedure begin */ | |
77 | char *l_combeg; /* string introducing a comment */ | |
78 | char *l_comend; /* string ending a comment */ | |
d72dd43f DP |
79 | char *l_acmbeg; /* string introducing a comment */ |
80 | char *l_acmend; /* string ending a comment */ | |
a388f2af BJ |
81 | char *l_blkbeg; /* string begining of a block */ |
82 | char *l_blkend; /* string ending a block */ | |
83 | char *l_strbeg; /* delimiter for string constant */ | |
84 | char *l_strend; /* delimiter for string constant */ | |
85 | char *l_chrbeg; /* delimiter for character constant */ | |
86 | char *l_chrend; /* delimiter for character constant */ | |
87 | char l_escape; /* character used to escape characters */ | |
88 | boolean l_toplex; /* procedures only defined at top lex level */ | |
89 | ||
90 | /* | |
91 | * global variables also used by expmatch | |
92 | */ | |
93 | boolean _escaped; /* if last character was an escape */ | |
94 | char *_start; /* start of the current string */ | |
95 | boolean l_onecase; /* upper and lower case are equivalent */ | |
f5fa559c BJ |
96 | |
97 | #define ps(x) printf("%s", x) | |
0b79a041 BJ |
98 | |
99 | main(argc, argv) | |
a388f2af BJ |
100 | int argc; |
101 | char *argv[]; | |
0b79a041 | 102 | { |
a388f2af BJ |
103 | int lineno; |
104 | char *fname = ""; | |
105 | char *ptr; | |
106 | struct stat stbuf; | |
107 | char buf[BUFSIZ]; | |
108 | char strings[2 * BUFSIZ]; | |
109 | char defs[2 * BUFSIZ]; | |
110 | int needbp = 0; | |
111 | ||
112 | argc--, argv++; | |
113 | do { | |
114 | char *cp; | |
115 | int i; | |
116 | ||
117 | if (argc > 0) { | |
118 | if (!strcmp(argv[0], "-h")) { | |
119 | if (argc == 1) { | |
120 | printf("'ds =H\n"); | |
121 | argc = 0; | |
122 | goto rest; | |
0b79a041 | 123 | } |
a388f2af | 124 | printf("'ds =H %s\n", argv[1]); |
91146c92 DP |
125 | argc--, argv++; |
126 | argc--, argv++; | |
a388f2af BJ |
127 | if (argc > 0) |
128 | continue; | |
129 | goto rest; | |
130 | } | |
131 | ||
132 | /* act as a filter like eqn */ | |
133 | if (!strcmp(argv[0], "-f")) { | |
134 | filter++; | |
135 | argv[0] = argv[argc-1]; | |
136 | argv[argc-1] = "-"; | |
137 | continue; | |
138 | } | |
139 | ||
140 | /* take input from the standard place */ | |
141 | if (!strcmp(argv[0], "-")) { | |
142 | argc = 0; | |
143 | goto rest; | |
144 | } | |
145 | ||
146 | /* build an index */ | |
147 | if (!strcmp(argv[0], "-x")) { | |
148 | index++; | |
149 | argv[0] = "-n"; | |
150 | } | |
151 | ||
152 | /* indicate no keywords */ | |
153 | if (!strcmp(argv[0], "-n")) { | |
154 | nokeyw++; | |
155 | argc--, argv++; | |
156 | continue; | |
157 | } | |
158 | ||
159 | /* specify the font size */ | |
160 | if (!strncmp(argv[0], "-s", 2)) { | |
161 | i = 0; | |
162 | cp = argv[0] + 2; | |
163 | while (*cp) | |
164 | i = i * 10 + (*cp++ - '0'); | |
165 | printf("'ps %d\n'vs %d\n", i, i+1); | |
166 | argc--, argv++; | |
167 | continue; | |
168 | } | |
169 | ||
170 | /* specify the language */ | |
171 | if (!strncmp(argv[0], "-l", 2)) { | |
172 | language = argv[0]+2; | |
173 | argc--, argv++; | |
174 | continue; | |
175 | } | |
176 | ||
177 | /* specify the language description file */ | |
178 | if (!strncmp(argv[0], "-d", 2)) { | |
179 | defsfile = argv[1]; | |
180 | argc--, argv++; | |
181 | argc--, argv++; | |
182 | continue; | |
183 | } | |
184 | ||
185 | /* open the file for input */ | |
186 | if (freopen(argv[0], "r", stdin) == NULL) { | |
187 | perror(argv[0]); | |
188 | exit(1); | |
189 | } | |
190 | if (index) | |
191 | printf("'ta 4i 4.25i 5.5iR\n'in .5i\n"); | |
192 | fname = argv[0]; | |
193 | argc--, argv++; | |
194 | } | |
195 | rest: | |
196 | ||
197 | /* | |
198 | * get the language definition from the defs file | |
199 | */ | |
200 | i = tgetent (defs, language, defsfile); | |
201 | if (i == 0) { | |
202 | fprintf (stderr, "no entry for language %s\n", language); | |
203 | exit (0); | |
204 | } else if (i < 0) { | |
205 | fprintf (stderr, "cannot find vgrindefs file %s\n", defsfile); | |
206 | exit (0); | |
207 | } | |
208 | cp = strings; | |
209 | if (tgetstr ("kw", &cp) == NIL) | |
210 | nokeyw = TRUE; | |
211 | else { | |
212 | char **cpp; | |
213 | ||
214 | cpp = l_keywds; | |
215 | cp = strings; | |
216 | while (*cp) { | |
217 | while (*cp == ' ' || *cp =='\t') | |
218 | *cp++ = NULL; | |
219 | if (*cp) | |
220 | *cpp++ = cp; | |
221 | while (*cp != ' ' && *cp != '\t' && *cp) | |
222 | cp++; | |
223 | } | |
224 | *cpp = NIL; | |
225 | } | |
226 | cp = buf; | |
227 | l_prcbeg = convexp (tgetstr ("pb", &cp)); | |
228 | cp = buf; | |
229 | l_combeg = convexp (tgetstr ("cb", &cp)); | |
230 | cp = buf; | |
231 | l_comend = convexp (tgetstr ("ce", &cp)); | |
232 | cp = buf; | |
d72dd43f DP |
233 | l_acmbeg = convexp (tgetstr ("ab", &cp)); |
234 | cp = buf; | |
235 | l_acmend = convexp (tgetstr ("ae", &cp)); | |
236 | cp = buf; | |
a388f2af BJ |
237 | l_strbeg = convexp (tgetstr ("sb", &cp)); |
238 | cp = buf; | |
239 | l_strend = convexp (tgetstr ("se", &cp)); | |
240 | cp = buf; | |
241 | l_blkbeg = convexp (tgetstr ("bb", &cp)); | |
242 | cp = buf; | |
243 | l_blkend = convexp (tgetstr ("be", &cp)); | |
244 | cp = buf; | |
245 | l_chrbeg = convexp (tgetstr ("lb", &cp)); | |
246 | cp = buf; | |
247 | l_chrend = convexp (tgetstr ("le", &cp)); | |
248 | l_escape = '\\'; | |
249 | l_onecase = tgetflag ("oc"); | |
250 | l_toplex = tgetflag ("tl"); | |
d72dd43f | 251 | |
a388f2af BJ |
252 | /* initialize the program */ |
253 | ||
254 | incomm = FALSE; | |
255 | instr = FALSE; | |
256 | inchr = FALSE; | |
257 | _escaped = FALSE; | |
258 | blklevel = 0; | |
259 | for (psptr=0; psptr<PSMAX; psptr++) { | |
260 | pstack[psptr][0] = NULL; | |
261 | plstack[psptr] = 0; | |
262 | } | |
263 | psptr = -1; | |
264 | ps("'-F\n"); | |
265 | if (!filter) { | |
266 | printf(".ds =F %s\n", fname); | |
267 | fstat(fileno(stdin), &stbuf); | |
268 | cp = ctime(&stbuf.st_mtime); | |
269 | cp[16] = '\0'; | |
270 | cp[24] = '\0'; | |
271 | printf(".ds =M %s %s\n", cp+4, cp+20); | |
91146c92 DP |
272 | ps("'wh 0 vH\n"); |
273 | ps("'wh -1i vF\n"); | |
a388f2af BJ |
274 | } |
275 | if (needbp) { | |
276 | needbp = 0; | |
277 | printf(".()\n"); | |
278 | printf(".bp\n"); | |
279 | } | |
280 | ||
281 | /* | |
282 | * MAIN LOOP!!! | |
283 | */ | |
284 | while (fgets(buf, sizeof buf, stdin) != NULL) { | |
285 | if (buf[0] == '\f') { | |
286 | printf(".bp\n"); | |
287 | } | |
288 | if (buf[0] == '.') { | |
289 | printf("%s", buf); | |
290 | if (!strncmp (buf+1, "vS", 2)) | |
291 | pass = TRUE; | |
292 | if (!strncmp (buf+1, "vE", 2)) | |
293 | pass = FALSE; | |
294 | continue; | |
295 | } | |
296 | prccont = FALSE; | |
297 | if (!filter || pass) | |
298 | putScp(buf); | |
299 | else | |
300 | printf("%s", buf); | |
301 | if (prccont && (psptr >= 0)) { | |
302 | ps("'FC "); | |
303 | ps(pstack[psptr]); | |
304 | ps("\n"); | |
305 | } | |
306 | #ifdef DEBUG | |
307 | printf ("com %o str %o chr %o ptr %d\n", incomm, instr, inchr, psptr); | |
308 | #endif | |
309 | margin = 0; | |
310 | } | |
311 | needbp = 1; | |
312 | } while (argc > 0); | |
313 | exit(0); | |
0b79a041 BJ |
314 | } |
315 | ||
0b79a041 BJ |
316 | #define isidchr(c) (isalnum(c) || (c) == '_') |
317 | ||
318 | putScp(os) | |
a388f2af | 319 | char *os; |
0b79a041 | 320 | { |
a388f2af BJ |
321 | register char *s = os; /* pointer to unmatched string */ |
322 | char dummy[BUFSIZ]; /* dummy to be used by expmatch */ | |
a388f2af | 323 | char *comptr; /* end of a comment delimiter */ |
d72dd43f | 324 | char *acmptr; /* end of a comment delimiter */ |
a388f2af BJ |
325 | char *strptr; /* end of a string delimiter */ |
326 | char *chrptr; /* end of a character const delimiter */ | |
327 | char *blksptr; /* end of a lexical block start */ | |
328 | char *blkeptr; /* end of a lexical block end */ | |
329 | ||
330 | _start = os; /* remember the start for expmatch */ | |
331 | _escaped = FALSE; | |
332 | if (nokeyw || incomm || instr) | |
333 | goto skip; | |
334 | if (isproc(s)) { | |
335 | ps("'FN "); | |
336 | ps(pname); | |
09aabb70 | 337 | ps("\n"); |
a388f2af BJ |
338 | if (psptr < PSMAX) { |
339 | ++psptr; | |
340 | strncpy (pstack[psptr], pname, PNAMELEN); | |
341 | pstack[psptr][PNAMELEN] = NULL; | |
a388f2af BJ |
342 | plstack[psptr] = blklevel; |
343 | } | |
344 | } | |
0b79a041 | 345 | skip: |
a388f2af | 346 | do { |
a388f2af BJ |
347 | /* check for string, comment, blockstart, etc */ |
348 | if (!incomm && !instr && !inchr) { | |
349 | ||
350 | blkeptr = expmatch (s, l_blkend, dummy); | |
351 | blksptr = expmatch (s, l_blkbeg, dummy); | |
352 | comptr = expmatch (s, l_combeg, dummy); | |
d72dd43f | 353 | acmptr = expmatch (s, l_acmbeg, dummy); |
a388f2af BJ |
354 | strptr = expmatch (s, l_strbeg, dummy); |
355 | chrptr = expmatch (s, l_chrbeg, dummy); | |
356 | ||
357 | /* start of a comment? */ | |
358 | if (comptr != NIL) | |
359 | if ((comptr < strptr || strptr == NIL) | |
d72dd43f | 360 | && (comptr < acmptr || acmptr == NIL) |
a388f2af BJ |
361 | && (comptr < chrptr || chrptr == NIL) |
362 | && (comptr < blksptr || blksptr == NIL) | |
363 | && (comptr < blkeptr || blkeptr == NIL)) { | |
364 | putKcp (s, comptr-1, FALSE); | |
365 | s = comptr; | |
366 | incomm = TRUE; | |
d72dd43f DP |
367 | comtype = STANDARD; |
368 | if (s != os) | |
369 | ps ("\\c"); | |
370 | ps ("\\c\n'+C\n"); | |
371 | continue; | |
372 | } | |
373 | ||
374 | /* start of a comment? */ | |
375 | if (acmptr != NIL) | |
376 | if ((acmptr < strptr || strptr == NIL) | |
377 | && (acmptr < chrptr || chrptr == NIL) | |
378 | && (acmptr < blksptr || blksptr == NIL) | |
379 | && (acmptr < blkeptr || blkeptr == NIL)) { | |
380 | putKcp (s, acmptr-1, FALSE); | |
381 | s = acmptr; | |
382 | incomm = TRUE; | |
383 | comtype = ALTERNATE; | |
a388f2af BJ |
384 | if (s != os) |
385 | ps ("\\c"); | |
386 | ps ("\\c\n'+C\n"); | |
387 | continue; | |
cca8d17e | 388 | } |
a388f2af BJ |
389 | |
390 | /* start of a string? */ | |
391 | if (strptr != NIL) | |
392 | if ((strptr < chrptr || chrptr == NIL) | |
d81ba424 BJ |
393 | && (strptr < blksptr || blksptr == NIL) |
394 | && (strptr < blkeptr || blkeptr == NIL)) { | |
a388f2af BJ |
395 | putKcp (s, strptr-1, FALSE); |
396 | s = strptr; | |
397 | instr = TRUE; | |
398 | continue; | |
0b79a041 | 399 | } |
b48967e6 | 400 | |
a388f2af BJ |
401 | /* start of a character string? */ |
402 | if (chrptr != NIL) | |
d81ba424 BJ |
403 | if ((chrptr < blksptr || blksptr == NIL) |
404 | && (chrptr < blkeptr || blkeptr == NIL)) { | |
a388f2af BJ |
405 | putKcp (s, chrptr-1, FALSE); |
406 | s = chrptr; | |
407 | inchr = TRUE; | |
408 | continue; | |
0b79a041 | 409 | } |
b48967e6 | 410 | |
a388f2af BJ |
411 | /* end of a lexical block */ |
412 | if (blkeptr != NIL) { | |
413 | if (blkeptr < blksptr || blksptr == NIL) { | |
414 | putKcp (s, blkeptr - 1, FALSE); | |
415 | s = blkeptr; | |
416 | blklevel--; | |
417 | if (psptr >= 0 && plstack[psptr] >= blklevel) { | |
b48967e6 | 418 | |
a388f2af | 419 | /* end of current procedure */ |
b48967e6 | 420 | if (s != os) |
a388f2af BJ |
421 | ps ("\\c"); |
422 | ps ("\\c\n'-F\n"); | |
423 | blklevel = plstack[psptr]; | |
424 | ||
425 | /* see if we should print the last proc name */ | |
426 | if (--psptr >= 0) | |
427 | prccont = TRUE; | |
428 | else | |
429 | psptr = -1; | |
430 | } | |
431 | continue; | |
0b79a041 | 432 | } |
a388f2af | 433 | } |
b48967e6 | 434 | |
a388f2af BJ |
435 | /* start of a lexical block */ |
436 | if (blksptr != NIL) { | |
437 | putKcp (s, blksptr - 1, FALSE); | |
438 | s = blksptr; | |
439 | blklevel++; | |
440 | continue; | |
441 | } | |
442 | ||
443 | /* check for end of comment */ | |
444 | } else if (incomm) { | |
d72dd43f DP |
445 | comptr = expmatch (s, l_comend, dummy); |
446 | acmptr = expmatch (s, l_acmend, dummy); | |
447 | if (((comtype == STANDARD) && (comptr != NIL)) || | |
448 | ((comtype == ALTERNATE) && (acmptr != NIL))) { | |
449 | if (comtype == STANDARD) { | |
450 | putKcp (s, comptr-1, TRUE); | |
451 | s = comptr; | |
452 | } else { | |
453 | putKcp (s, acmptr-1, TRUE); | |
454 | s = acmptr; | |
455 | } | |
a388f2af BJ |
456 | incomm = FALSE; |
457 | ps("\\c\n'-C\n"); | |
458 | continue; | |
459 | } else { | |
1a8c1b81 | 460 | putKcp (s, s + strlen(s) -1, TRUE); |
a388f2af BJ |
461 | s = s + strlen(s); |
462 | continue; | |
463 | } | |
464 | ||
465 | /* check for end of string */ | |
466 | } else if (instr) { | |
467 | if ((strptr = expmatch (s, l_strend, dummy)) != NIL) { | |
468 | putKcp (s, strptr-1, TRUE); | |
469 | s = strptr; | |
470 | instr = FALSE; | |
471 | continue; | |
472 | } else { | |
473 | putKcp (s, s+strlen(s)-1, TRUE); | |
474 | s = s + strlen(s); | |
475 | continue; | |
476 | } | |
477 | ||
478 | /* check for end of character string */ | |
479 | } else if (inchr) { | |
480 | if ((chrptr = expmatch (s, l_chrend, dummy)) != NIL) { | |
481 | putKcp (s, chrptr-1, TRUE); | |
482 | s = chrptr; | |
483 | inchr = FALSE; | |
484 | continue; | |
485 | } else { | |
486 | putKcp (s, s+strlen(s)-1, TRUE); | |
487 | s = s + strlen(s); | |
488 | continue; | |
489 | } | |
0b79a041 | 490 | } |
a388f2af BJ |
491 | |
492 | /* print out the line */ | |
493 | putKcp (s, s + strlen(s) -1, FALSE); | |
494 | s = s + strlen(s); | |
495 | } while (*s); | |
0b79a041 BJ |
496 | } |
497 | ||
a388f2af BJ |
498 | putKcp (start, end, force) |
499 | char *start; /* start of string to write */ | |
500 | char *end; /* end of string to write */ | |
501 | boolean force; /* true if we should force nokeyw */ | |
502 | { | |
503 | int i; | |
d22f197f | 504 | int xfld = 0; |
a388f2af BJ |
505 | |
506 | while (start <= end) { | |
d22f197f BJ |
507 | if (index) { |
508 | if (*start == ' ' || *start == '\t') { | |
509 | if (xfld == 0) | |
510 | printf("\ 1"); | |
511 | printf("\t"); | |
512 | xfld = 1; | |
513 | while (*start == ' ' || *start == '\t') | |
514 | start++; | |
515 | continue; | |
516 | } | |
517 | } | |
a388f2af BJ |
518 | |
519 | /* take care of nice tab stops */ | |
520 | if (*start == '\t') { | |
521 | while (*start == '\t') | |
522 | start++; | |
523 | i = tabs(_start, start) - margin / 8; | |
524 | printf("\\h'|%dn'", i * 10 + 1 - margin % 8); | |
525 | continue; | |
526 | } | |
527 | ||
528 | if (!nokeyw && !force) | |
529 | if ((*start == '#' || isidchr(*start)) | |
530 | && (start == _start || !isidchr(start[-1]))) { | |
531 | i = iskw(start); | |
532 | if (i > 0) { | |
533 | ps("\\*(+K"); | |
534 | do | |
535 | putcp(*start++); | |
536 | while (--i > 0); | |
537 | ps("\\*(-K"); | |
538 | continue; | |
539 | } | |
540 | } | |
541 | ||
542 | putcp (*start++); | |
543 | } | |
544 | } | |
545 | ||
546 | ||
0b79a041 | 547 | tabs(s, os) |
a388f2af | 548 | char *s, *os; |
0b79a041 BJ |
549 | { |
550 | ||
a388f2af | 551 | return (width(s, os) / 8); |
0b79a041 BJ |
552 | } |
553 | ||
554 | width(s, os) | |
555 | register char *s, *os; | |
556 | { | |
557 | register int i = 0; | |
558 | ||
559 | while (s < os) { | |
560 | if (*s == '\t') { | |
561 | i = (i + 8) &~ 7; | |
562 | s++; | |
563 | continue; | |
564 | } | |
565 | if (*s < ' ') | |
566 | i += 2; | |
567 | else | |
568 | i++; | |
569 | s++; | |
570 | } | |
571 | return (i); | |
572 | } | |
573 | ||
574 | putcp(c) | |
575 | register int c; | |
576 | { | |
577 | ||
578 | switch(c) { | |
579 | ||
a388f2af BJ |
580 | case 0: |
581 | break; | |
582 | ||
583 | case '\f': | |
584 | break; | |
585 | ||
0b79a041 BJ |
586 | case '{': |
587 | ps("\\*(+K{\\*(-K"); | |
588 | break; | |
589 | ||
590 | case '}': | |
591 | ps("\\*(+K}\\*(-K"); | |
592 | break; | |
593 | ||
594 | case '\\': | |
595 | ps("\\e"); | |
596 | break; | |
597 | ||
598 | case '_': | |
599 | ps("\\*_"); | |
600 | break; | |
601 | ||
602 | case '-': | |
603 | ps("\\*-"); | |
604 | break; | |
605 | ||
606 | case '`': | |
607 | ps("\\`"); | |
608 | break; | |
609 | ||
610 | case '\'': | |
611 | ps("\\'"); | |
612 | break; | |
613 | ||
614 | case '.': | |
615 | ps("\\&."); | |
616 | break; | |
617 | ||
341765b5 BJ |
618 | case '*': |
619 | ps("\\fI*\\fP"); | |
620 | break; | |
621 | ||
a388f2af | 622 | case '/': |
341765b5 | 623 | ps("\\fI\\h'\\w' 'u-\\w'/'u'/\\fP"); |
a388f2af BJ |
624 | break; |
625 | ||
0b79a041 BJ |
626 | default: |
627 | if (c < 040) | |
628 | putchar('^'), c |= '@'; | |
629 | case '\t': | |
630 | case '\n': | |
631 | putchar(c); | |
632 | } | |
633 | } | |
634 | ||
a388f2af BJ |
635 | /* |
636 | * look for a process beginning on this line | |
b48967e6 | 637 | */ |
a388f2af BJ |
638 | boolean |
639 | isproc(s) | |
640 | char *s; | |
b48967e6 | 641 | { |
a388f2af BJ |
642 | pname[0] = NULL; |
643 | if (!l_toplex || blklevel == 0) | |
644 | if (expmatch (s, l_prcbeg, pname) != NIL) { | |
645 | return (TRUE); | |
646 | } | |
647 | return (FALSE); | |
b48967e6 BJ |
648 | } |
649 | ||
a388f2af | 650 | |
b48967e6 BJ |
651 | /* iskw - check to see if the next word is a keyword |
652 | */ | |
653 | ||
0b79a041 BJ |
654 | iskw(s) |
655 | register char *s; | |
656 | { | |
a388f2af | 657 | register char **ss = l_keywds; |
0b79a041 BJ |
658 | register int i = 1; |
659 | register char *cp = s; | |
660 | ||
661 | while (++cp, isidchr(*cp)) | |
662 | i++; | |
663 | while (cp = *ss++) | |
a388f2af | 664 | if (!STRNCMP(s,cp,i) && !isidchr(cp[i])) |
0b79a041 BJ |
665 | return (i); |
666 | return (0); | |
667 | } |