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15637ed4 RG |
1 | /* |
2 | * Copyright (c) 1980 The Regents of the University of California. | |
3 | * All rights reserved. | |
4 | * | |
5 | * Redistribution and use in source and binary forms, with or without | |
6 | * modification, are permitted provided that the following conditions | |
7 | * are met: | |
8 | * 1. Redistributions of source code must retain the above copyright | |
9 | * notice, this list of conditions and the following disclaimer. | |
10 | * 2. Redistributions in binary form must reproduce the above copyright | |
11 | * notice, this list of conditions and the following disclaimer in the | |
12 | * documentation and/or other materials provided with the distribution. | |
13 | * 3. All advertising materials mentioning features or use of this software | |
14 | * must display the following acknowledgement: | |
15 | * This product includes software developed by the University of | |
16 | * California, Berkeley and its contributors. | |
17 | * 4. Neither the name of the University nor the names of its contributors | |
18 | * may be used to endorse or promote products derived from this software | |
19 | * without specific prior written permission. | |
20 | * | |
21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
31 | * SUCH DAMAGE. | |
32 | */ | |
33 | ||
34 | #ifndef lint | |
35 | char copyright[] = | |
36 | "@(#) Copyright (c) 1980 The Regents of the University of California.\n\ | |
37 | All rights reserved.\n"; | |
38 | #endif /* not lint */ | |
39 | ||
40 | #ifndef lint | |
41 | static char sccsid[] = "@(#)vfontedpr.c 5.5 (Berkeley) 6/1/90"; | |
42 | #endif /* not lint */ | |
43 | ||
44 | #include <sys/types.h> | |
45 | #include <sys/stat.h> | |
46 | #include <ctype.h> | |
47 | #include <stdio.h> | |
48 | #include "pathnames.h" | |
49 | ||
50 | #define boolean int | |
51 | #define TRUE 1 | |
52 | #define FALSE 0 | |
53 | #define NIL 0 | |
54 | #define STANDARD 0 | |
55 | #define ALTERNATE 1 | |
56 | ||
57 | /* | |
58 | * Vfontedpr. | |
59 | * | |
60 | * Dave Presotto 1/12/81 (adapted from an earlier version by Bill Joy) | |
61 | * | |
62 | */ | |
63 | ||
64 | #define STRLEN 10 /* length of strings introducing things */ | |
65 | #define PNAMELEN 40 /* length of a function/procedure name */ | |
66 | #define PSMAX 20 /* size of procedure name stacking */ | |
67 | ||
68 | /* regular expression routines */ | |
69 | ||
70 | char *expmatch(); /* match a string to an expression */ | |
71 | char *STRNCMP(); /* a different kindof strncmp */ | |
72 | char *convexp(); /* convert expression to internal form */ | |
73 | char *tgetstr(); | |
74 | ||
75 | boolean isproc(); | |
76 | ||
77 | ||
78 | char *ctime(); | |
79 | ||
80 | /* | |
81 | * The state variables | |
82 | */ | |
83 | ||
84 | boolean incomm; /* in a comment of the primary type */ | |
85 | boolean instr; /* in a string constant */ | |
86 | boolean inchr; /* in a string constant */ | |
87 | boolean nokeyw = FALSE; /* no keywords being flagged */ | |
88 | boolean index = FALSE; /* form an index */ | |
89 | boolean filter = FALSE; /* act as a filter (like eqn) */ | |
90 | boolean pass = FALSE; /* when acting as a filter, pass indicates | |
91 | * whether we are currently processing | |
92 | * input. | |
93 | */ | |
94 | boolean prccont; /* continue last procedure */ | |
95 | int comtype; /* type of comment */ | |
96 | int margin; | |
97 | int psptr; /* the stack index of the current procedure */ | |
98 | char pstack[PSMAX][PNAMELEN+1]; /* the procedure name stack */ | |
99 | int plstack[PSMAX]; /* the procedure nesting level stack */ | |
100 | int blklevel; /* current nesting level */ | |
101 | char *defsfile = _PATH_VGRINDEFS; /* name of language definitions file */ | |
102 | char pname[BUFSIZ+1]; | |
103 | ||
104 | /* | |
105 | * The language specific globals | |
106 | */ | |
107 | ||
108 | char *language = "c"; /* the language indicator */ | |
109 | char *l_keywds[BUFSIZ/2]; /* keyword table address */ | |
110 | char *l_prcbeg; /* regular expr for procedure begin */ | |
111 | char *l_combeg; /* string introducing a comment */ | |
112 | char *l_comend; /* string ending a comment */ | |
113 | char *l_acmbeg; /* string introducing a comment */ | |
114 | char *l_acmend; /* string ending a comment */ | |
115 | char *l_blkbeg; /* string begining of a block */ | |
116 | char *l_blkend; /* string ending a block */ | |
117 | char *l_strbeg; /* delimiter for string constant */ | |
118 | char *l_strend; /* delimiter for string constant */ | |
119 | char *l_chrbeg; /* delimiter for character constant */ | |
120 | char *l_chrend; /* delimiter for character constant */ | |
121 | char l_escape; /* character used to escape characters */ | |
122 | boolean l_toplex; /* procedures only defined at top lex level */ | |
123 | ||
124 | /* | |
125 | * global variables also used by expmatch | |
126 | */ | |
127 | boolean _escaped; /* if last character was an escape */ | |
128 | char *_start; /* start of the current string */ | |
129 | boolean l_onecase; /* upper and lower case are equivalent */ | |
130 | ||
131 | #define ps(x) printf("%s", x) | |
132 | ||
133 | main(argc, argv) | |
134 | int argc; | |
135 | char *argv[]; | |
136 | { | |
137 | int lineno; | |
138 | char *fname = ""; | |
139 | char *ptr; | |
140 | struct stat stbuf; | |
141 | char buf[BUFSIZ]; | |
142 | char strings[2 * BUFSIZ]; | |
143 | char defs[2 * BUFSIZ]; | |
144 | int needbp = 0; | |
145 | ||
146 | argc--, argv++; | |
147 | do { | |
148 | char *cp; | |
149 | int i; | |
150 | ||
151 | if (argc > 0) { | |
152 | if (!strcmp(argv[0], "-h")) { | |
153 | if (argc == 1) { | |
154 | printf("'ds =H\n"); | |
155 | argc = 0; | |
156 | goto rest; | |
157 | } | |
158 | printf("'ds =H %s\n", argv[1]); | |
159 | argc--, argv++; | |
160 | argc--, argv++; | |
161 | if (argc > 0) | |
162 | continue; | |
163 | goto rest; | |
164 | } | |
165 | ||
166 | /* act as a filter like eqn */ | |
167 | if (!strcmp(argv[0], "-f")) { | |
168 | filter++; | |
169 | argv[0] = argv[argc-1]; | |
170 | argv[argc-1] = "-"; | |
171 | continue; | |
172 | } | |
173 | ||
174 | /* take input from the standard place */ | |
175 | if (!strcmp(argv[0], "-")) { | |
176 | argc = 0; | |
177 | goto rest; | |
178 | } | |
179 | ||
180 | /* build an index */ | |
181 | if (!strcmp(argv[0], "-x")) { | |
182 | index++; | |
183 | argv[0] = "-n"; | |
184 | } | |
185 | ||
186 | /* indicate no keywords */ | |
187 | if (!strcmp(argv[0], "-n")) { | |
188 | nokeyw++; | |
189 | argc--, argv++; | |
190 | continue; | |
191 | } | |
192 | ||
193 | /* specify the font size */ | |
194 | if (!strncmp(argv[0], "-s", 2)) { | |
195 | i = 0; | |
196 | cp = argv[0] + 2; | |
197 | while (*cp) | |
198 | i = i * 10 + (*cp++ - '0'); | |
199 | printf("'ps %d\n'vs %d\n", i, i+1); | |
200 | argc--, argv++; | |
201 | continue; | |
202 | } | |
203 | ||
204 | /* specify the language */ | |
205 | if (!strncmp(argv[0], "-l", 2)) { | |
206 | language = argv[0]+2; | |
207 | argc--, argv++; | |
208 | continue; | |
209 | } | |
210 | ||
211 | /* specify the language description file */ | |
212 | if (!strncmp(argv[0], "-d", 2)) { | |
213 | defsfile = argv[1]; | |
214 | argc--, argv++; | |
215 | argc--, argv++; | |
216 | continue; | |
217 | } | |
218 | ||
219 | /* open the file for input */ | |
220 | if (freopen(argv[0], "r", stdin) == NULL) { | |
221 | perror(argv[0]); | |
222 | exit(1); | |
223 | } | |
224 | if (index) | |
225 | printf("'ta 4i 4.25i 5.5iR\n'in .5i\n"); | |
226 | fname = argv[0]; | |
227 | argc--, argv++; | |
228 | } | |
229 | rest: | |
230 | ||
231 | /* | |
232 | * get the language definition from the defs file | |
233 | */ | |
234 | i = tgetent (defs, language, defsfile); | |
235 | if (i == 0) { | |
236 | fprintf (stderr, "no entry for language %s\n", language); | |
237 | exit (0); | |
238 | } else if (i < 0) { | |
239 | fprintf (stderr, "cannot find vgrindefs file %s\n", defsfile); | |
240 | exit (0); | |
241 | } | |
242 | cp = strings; | |
243 | if (tgetstr ("kw", &cp) == NIL) | |
244 | nokeyw = TRUE; | |
245 | else { | |
246 | char **cpp; | |
247 | ||
248 | cpp = l_keywds; | |
249 | cp = strings; | |
250 | while (*cp) { | |
251 | while (*cp == ' ' || *cp =='\t') | |
252 | *cp++ = NULL; | |
253 | if (*cp) | |
254 | *cpp++ = cp; | |
255 | while (*cp != ' ' && *cp != '\t' && *cp) | |
256 | cp++; | |
257 | } | |
258 | *cpp = NIL; | |
259 | } | |
260 | cp = buf; | |
261 | l_prcbeg = convexp (tgetstr ("pb", &cp)); | |
262 | cp = buf; | |
263 | l_combeg = convexp (tgetstr ("cb", &cp)); | |
264 | cp = buf; | |
265 | l_comend = convexp (tgetstr ("ce", &cp)); | |
266 | cp = buf; | |
267 | l_acmbeg = convexp (tgetstr ("ab", &cp)); | |
268 | cp = buf; | |
269 | l_acmend = convexp (tgetstr ("ae", &cp)); | |
270 | cp = buf; | |
271 | l_strbeg = convexp (tgetstr ("sb", &cp)); | |
272 | cp = buf; | |
273 | l_strend = convexp (tgetstr ("se", &cp)); | |
274 | cp = buf; | |
275 | l_blkbeg = convexp (tgetstr ("bb", &cp)); | |
276 | cp = buf; | |
277 | l_blkend = convexp (tgetstr ("be", &cp)); | |
278 | cp = buf; | |
279 | l_chrbeg = convexp (tgetstr ("lb", &cp)); | |
280 | cp = buf; | |
281 | l_chrend = convexp (tgetstr ("le", &cp)); | |
282 | l_escape = '\\'; | |
283 | l_onecase = tgetflag ("oc"); | |
284 | l_toplex = tgetflag ("tl"); | |
285 | ||
286 | /* initialize the program */ | |
287 | ||
288 | incomm = FALSE; | |
289 | instr = FALSE; | |
290 | inchr = FALSE; | |
291 | _escaped = FALSE; | |
292 | blklevel = 0; | |
293 | for (psptr=0; psptr<PSMAX; psptr++) { | |
294 | pstack[psptr][0] = NULL; | |
295 | plstack[psptr] = 0; | |
296 | } | |
297 | psptr = -1; | |
298 | ps("'-F\n"); | |
299 | if (!filter) { | |
300 | printf(".ds =F %s\n", fname); | |
301 | ps("'wh 0 vH\n"); | |
302 | ps("'wh -1i vF\n"); | |
303 | } | |
304 | if (needbp) { | |
305 | needbp = 0; | |
306 | printf(".()\n"); | |
307 | printf(".bp\n"); | |
308 | } | |
309 | if (!filter) { | |
310 | fstat(fileno(stdin), &stbuf); | |
311 | cp = ctime(&stbuf.st_mtime); | |
312 | cp[16] = '\0'; | |
313 | cp[24] = '\0'; | |
314 | printf(".ds =M %s %s\n", cp+4, cp+20); | |
315 | } | |
316 | ||
317 | /* | |
318 | * MAIN LOOP!!! | |
319 | */ | |
320 | while (fgets(buf, sizeof buf, stdin) != NULL) { | |
321 | if (buf[0] == '\f') { | |
322 | printf(".bp\n"); | |
323 | } | |
324 | if (buf[0] == '.') { | |
325 | printf("%s", buf); | |
326 | if (!strncmp (buf+1, "vS", 2)) | |
327 | pass = TRUE; | |
328 | if (!strncmp (buf+1, "vE", 2)) | |
329 | pass = FALSE; | |
330 | continue; | |
331 | } | |
332 | prccont = FALSE; | |
333 | if (!filter || pass) | |
334 | putScp(buf); | |
335 | else | |
336 | printf("%s", buf); | |
337 | if (prccont && (psptr >= 0)) { | |
338 | ps("'FC "); | |
339 | ps(pstack[psptr]); | |
340 | ps("\n"); | |
341 | } | |
342 | #ifdef DEBUG | |
343 | printf ("com %o str %o chr %o ptr %d\n", incomm, instr, inchr, psptr); | |
344 | #endif | |
345 | margin = 0; | |
346 | } | |
347 | needbp = 1; | |
348 | } while (argc > 0); | |
349 | exit(0); | |
350 | } | |
351 | ||
352 | #define isidchr(c) (isalnum(c) || (c) == '_') | |
353 | ||
354 | putScp(os) | |
355 | char *os; | |
356 | { | |
357 | register char *s = os; /* pointer to unmatched string */ | |
358 | char dummy[BUFSIZ]; /* dummy to be used by expmatch */ | |
359 | char *comptr; /* end of a comment delimiter */ | |
360 | char *acmptr; /* end of a comment delimiter */ | |
361 | char *strptr; /* end of a string delimiter */ | |
362 | char *chrptr; /* end of a character const delimiter */ | |
363 | char *blksptr; /* end of a lexical block start */ | |
364 | char *blkeptr; /* end of a lexical block end */ | |
365 | ||
366 | _start = os; /* remember the start for expmatch */ | |
367 | _escaped = FALSE; | |
368 | if (nokeyw || incomm || instr) | |
369 | goto skip; | |
370 | if (isproc(s)) { | |
371 | ps("'FN "); | |
372 | ps(pname); | |
373 | ps("\n"); | |
374 | if (psptr < PSMAX) { | |
375 | ++psptr; | |
376 | strncpy (pstack[psptr], pname, PNAMELEN); | |
377 | pstack[psptr][PNAMELEN] = NULL; | |
378 | plstack[psptr] = blklevel; | |
379 | } | |
380 | } | |
381 | skip: | |
382 | do { | |
383 | /* check for string, comment, blockstart, etc */ | |
384 | if (!incomm && !instr && !inchr) { | |
385 | ||
386 | blkeptr = expmatch (s, l_blkend, dummy); | |
387 | blksptr = expmatch (s, l_blkbeg, dummy); | |
388 | comptr = expmatch (s, l_combeg, dummy); | |
389 | acmptr = expmatch (s, l_acmbeg, dummy); | |
390 | strptr = expmatch (s, l_strbeg, dummy); | |
391 | chrptr = expmatch (s, l_chrbeg, dummy); | |
392 | ||
393 | /* start of a comment? */ | |
394 | if (comptr != NIL) | |
395 | if ((comptr < strptr || strptr == NIL) | |
396 | && (comptr < acmptr || acmptr == NIL) | |
397 | && (comptr < chrptr || chrptr == NIL) | |
398 | && (comptr < blksptr || blksptr == NIL) | |
399 | && (comptr < blkeptr || blkeptr == NIL)) { | |
400 | putKcp (s, comptr-1, FALSE); | |
401 | s = comptr; | |
402 | incomm = TRUE; | |
403 | comtype = STANDARD; | |
404 | if (s != os) | |
405 | ps ("\\c"); | |
406 | ps ("\\c\n'+C\n"); | |
407 | continue; | |
408 | } | |
409 | ||
410 | /* start of a comment? */ | |
411 | if (acmptr != NIL) | |
412 | if ((acmptr < strptr || strptr == NIL) | |
413 | && (acmptr < chrptr || chrptr == NIL) | |
414 | && (acmptr < blksptr || blksptr == NIL) | |
415 | && (acmptr < blkeptr || blkeptr == NIL)) { | |
416 | putKcp (s, acmptr-1, FALSE); | |
417 | s = acmptr; | |
418 | incomm = TRUE; | |
419 | comtype = ALTERNATE; | |
420 | if (s != os) | |
421 | ps ("\\c"); | |
422 | ps ("\\c\n'+C\n"); | |
423 | continue; | |
424 | } | |
425 | ||
426 | /* start of a string? */ | |
427 | if (strptr != NIL) | |
428 | if ((strptr < chrptr || chrptr == NIL) | |
429 | && (strptr < blksptr || blksptr == NIL) | |
430 | && (strptr < blkeptr || blkeptr == NIL)) { | |
431 | putKcp (s, strptr-1, FALSE); | |
432 | s = strptr; | |
433 | instr = TRUE; | |
434 | continue; | |
435 | } | |
436 | ||
437 | /* start of a character string? */ | |
438 | if (chrptr != NIL) | |
439 | if ((chrptr < blksptr || blksptr == NIL) | |
440 | && (chrptr < blkeptr || blkeptr == NIL)) { | |
441 | putKcp (s, chrptr-1, FALSE); | |
442 | s = chrptr; | |
443 | inchr = TRUE; | |
444 | continue; | |
445 | } | |
446 | ||
447 | /* end of a lexical block */ | |
448 | if (blkeptr != NIL) { | |
449 | if (blkeptr < blksptr || blksptr == NIL) { | |
450 | putKcp (s, blkeptr - 1, FALSE); | |
451 | s = blkeptr; | |
452 | blklevel--; | |
453 | if (psptr >= 0 && plstack[psptr] >= blklevel) { | |
454 | ||
455 | /* end of current procedure */ | |
456 | if (s != os) | |
457 | ps ("\\c"); | |
458 | ps ("\\c\n'-F\n"); | |
459 | blklevel = plstack[psptr]; | |
460 | ||
461 | /* see if we should print the last proc name */ | |
462 | if (--psptr >= 0) | |
463 | prccont = TRUE; | |
464 | else | |
465 | psptr = -1; | |
466 | } | |
467 | continue; | |
468 | } | |
469 | } | |
470 | ||
471 | /* start of a lexical block */ | |
472 | if (blksptr != NIL) { | |
473 | putKcp (s, blksptr - 1, FALSE); | |
474 | s = blksptr; | |
475 | blklevel++; | |
476 | continue; | |
477 | } | |
478 | ||
479 | /* check for end of comment */ | |
480 | } else if (incomm) { | |
481 | comptr = expmatch (s, l_comend, dummy); | |
482 | acmptr = expmatch (s, l_acmend, dummy); | |
483 | if (((comtype == STANDARD) && (comptr != NIL)) || | |
484 | ((comtype == ALTERNATE) && (acmptr != NIL))) { | |
485 | if (comtype == STANDARD) { | |
486 | putKcp (s, comptr-1, TRUE); | |
487 | s = comptr; | |
488 | } else { | |
489 | putKcp (s, acmptr-1, TRUE); | |
490 | s = acmptr; | |
491 | } | |
492 | incomm = FALSE; | |
493 | ps("\\c\n'-C\n"); | |
494 | continue; | |
495 | } else { | |
496 | putKcp (s, s + strlen(s) -1, TRUE); | |
497 | s = s + strlen(s); | |
498 | continue; | |
499 | } | |
500 | ||
501 | /* check for end of string */ | |
502 | } else if (instr) { | |
503 | if ((strptr = expmatch (s, l_strend, dummy)) != NIL) { | |
504 | putKcp (s, strptr-1, TRUE); | |
505 | s = strptr; | |
506 | instr = FALSE; | |
507 | continue; | |
508 | } else { | |
509 | putKcp (s, s+strlen(s)-1, TRUE); | |
510 | s = s + strlen(s); | |
511 | continue; | |
512 | } | |
513 | ||
514 | /* check for end of character string */ | |
515 | } else if (inchr) { | |
516 | if ((chrptr = expmatch (s, l_chrend, dummy)) != NIL) { | |
517 | putKcp (s, chrptr-1, TRUE); | |
518 | s = chrptr; | |
519 | inchr = FALSE; | |
520 | continue; | |
521 | } else { | |
522 | putKcp (s, s+strlen(s)-1, TRUE); | |
523 | s = s + strlen(s); | |
524 | continue; | |
525 | } | |
526 | } | |
527 | ||
528 | /* print out the line */ | |
529 | putKcp (s, s + strlen(s) -1, FALSE); | |
530 | s = s + strlen(s); | |
531 | } while (*s); | |
532 | } | |
533 | ||
534 | putKcp (start, end, force) | |
535 | char *start; /* start of string to write */ | |
536 | char *end; /* end of string to write */ | |
537 | boolean force; /* true if we should force nokeyw */ | |
538 | { | |
539 | int i; | |
540 | int xfld = 0; | |
541 | ||
542 | while (start <= end) { | |
543 | if (index) { | |
544 | if (*start == ' ' || *start == '\t') { | |
545 | if (xfld == 0) | |
546 | printf("\ 1"); | |
547 | printf("\t"); | |
548 | xfld = 1; | |
549 | while (*start == ' ' || *start == '\t') | |
550 | start++; | |
551 | continue; | |
552 | } | |
553 | } | |
554 | ||
555 | /* take care of nice tab stops */ | |
556 | if (*start == '\t') { | |
557 | while (*start == '\t') | |
558 | start++; | |
559 | i = tabs(_start, start) - margin / 8; | |
560 | printf("\\h'|%dn'", i * 10 + 1 - margin % 8); | |
561 | continue; | |
562 | } | |
563 | ||
564 | if (!nokeyw && !force) | |
565 | if ((*start == '#' || isidchr(*start)) | |
566 | && (start == _start || !isidchr(start[-1]))) { | |
567 | i = iskw(start); | |
568 | if (i > 0) { | |
569 | ps("\\*(+K"); | |
570 | do | |
571 | putcp(*start++); | |
572 | while (--i > 0); | |
573 | ps("\\*(-K"); | |
574 | continue; | |
575 | } | |
576 | } | |
577 | ||
578 | putcp (*start++); | |
579 | } | |
580 | } | |
581 | ||
582 | ||
583 | tabs(s, os) | |
584 | char *s, *os; | |
585 | { | |
586 | ||
587 | return (width(s, os) / 8); | |
588 | } | |
589 | ||
590 | width(s, os) | |
591 | register char *s, *os; | |
592 | { | |
593 | register int i = 0; | |
594 | ||
595 | while (s < os) { | |
596 | if (*s == '\t') { | |
597 | i = (i + 8) &~ 7; | |
598 | s++; | |
599 | continue; | |
600 | } | |
601 | if (*s < ' ') | |
602 | i += 2; | |
603 | else | |
604 | i++; | |
605 | s++; | |
606 | } | |
607 | return (i); | |
608 | } | |
609 | ||
610 | putcp(c) | |
611 | register int c; | |
612 | { | |
613 | ||
614 | switch(c) { | |
615 | ||
616 | case 0: | |
617 | break; | |
618 | ||
619 | case '\f': | |
620 | break; | |
621 | ||
622 | case '{': | |
623 | ps("\\*(+K{\\*(-K"); | |
624 | break; | |
625 | ||
626 | case '}': | |
627 | ps("\\*(+K}\\*(-K"); | |
628 | break; | |
629 | ||
630 | case '\\': | |
631 | ps("\\e"); | |
632 | break; | |
633 | ||
634 | case '_': | |
635 | ps("\\*_"); | |
636 | break; | |
637 | ||
638 | case '-': | |
639 | ps("\\*-"); | |
640 | break; | |
641 | ||
642 | case '`': | |
643 | ps("\\`"); | |
644 | break; | |
645 | ||
646 | case '\'': | |
647 | ps("\\'"); | |
648 | break; | |
649 | ||
650 | case '.': | |
651 | ps("\\&."); | |
652 | break; | |
653 | ||
654 | case '*': | |
655 | ps("\\fI*\\fP"); | |
656 | break; | |
657 | ||
658 | case '/': | |
659 | ps("\\fI\\h'\\w' 'u-\\w'/'u'/\\fP"); | |
660 | break; | |
661 | ||
662 | default: | |
663 | if (c < 040) | |
664 | putchar('^'), c |= '@'; | |
665 | case '\t': | |
666 | case '\n': | |
667 | putchar(c); | |
668 | } | |
669 | } | |
670 | ||
671 | /* | |
672 | * look for a process beginning on this line | |
673 | */ | |
674 | boolean | |
675 | isproc(s) | |
676 | char *s; | |
677 | { | |
678 | pname[0] = NULL; | |
679 | if (!l_toplex || blklevel == 0) | |
680 | if (expmatch (s, l_prcbeg, pname) != NIL) { | |
681 | return (TRUE); | |
682 | } | |
683 | return (FALSE); | |
684 | } | |
685 | ||
686 | ||
687 | /* iskw - check to see if the next word is a keyword | |
688 | */ | |
689 | ||
690 | iskw(s) | |
691 | register char *s; | |
692 | { | |
693 | register char **ss = l_keywds; | |
694 | register int i = 1; | |
695 | register char *cp = s; | |
696 | ||
697 | while (++cp, isidchr(*cp)) | |
698 | i++; | |
699 | while (cp = *ss++) | |
700 | if (!STRNCMP(s,cp,i) && !isidchr(cp[i])) | |
701 | return (i); | |
702 | return (0); | |
703 | } |