1/*
2 * Copyright (c) 1980, 1993
3 * The Regents of the University of California. 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
35static char copyright[] =
36"@(#) Copyright (c) 1980, 1993\n\
37 The Regents of the University of California. All rights reserved.\n";
38#endif /* not lint */
39
40#ifndef lint
41static char sccsid[] = "@(#)vfontedpr.c 8.1 (Berkeley) 6/6/93";
42#endif /* not lint */
43
44#include <sys/types.h>
45#include <sys/stat.h>
46#include <time.h>
47#include <ctype.h>
48#include <stdlib.h>
49#include <string.h>
50#include <stdio.h>
51#include "pathnames.h"
52#include "extern.h"
53
54#define FALSE 0
55#define TRUE !(FALSE)
56#define NIL 0
57#define STANDARD 0
58#define ALTERNATE 1
59
60/*
61 * Vfontedpr.
62 *
63 * Dave Presotto 1/12/81 (adapted from an earlier version by Bill Joy)
64 *
65 */
66
67#define STRLEN 10 /* length of strings introducing things */
68#define PNAMELEN 40 /* length of a function/procedure name */
69#define PSMAX 20 /* size of procedure name stacking */
70
71static int iskw __P((char *));
72static boolean isproc __P((char *));
73static void putKcp __P((char *, char *, boolean));
74static void putScp __P((char *));
75static void putcp __P((int));
76static int tabs __P((char *, char *));
77static int width __P((char *, char *));
78
79/*
80 * The state variables
81 */
82
83static boolean filter = FALSE; /* act as a filter (like eqn) */
84static boolean inchr; /* in a string constant */
85static boolean incomm; /* in a comment of the primary type */
86static boolean idx = FALSE; /* form an index */
87static boolean instr; /* in a string constant */
88static boolean nokeyw = FALSE; /* no keywords being flagged */
89static boolean pass = FALSE; /*
90 * when acting as a filter, pass indicates
91 * whether we are currently processing
92 * input.
93 */
94
95static int blklevel; /* current nesting level */
96static int comtype; /* type of comment */
97static char *defsfile[2] = { _PATH_VGRINDEFS, 0 };
98 /* name of language definitions file */
99static int margin;
100static int plstack[PSMAX]; /* the procedure nesting level stack */
101static char pname[BUFSIZ+1];
102static boolean prccont; /* continue last procedure */
103static int psptr; /* the stack index of the current procedure */
104static char pstack[PSMAX][PNAMELEN+1]; /* the procedure name stack */
105
106/*
107 * The language specific globals
108 */
109
110char *l_acmbeg; /* string introducing a comment */
111char *l_acmend; /* string ending a comment */
112char *l_blkbeg; /* string begining of a block */
113char *l_blkend; /* string ending a block */
114char *l_chrbeg; /* delimiter for character constant */
115char *l_chrend; /* delimiter for character constant */
116char *l_combeg; /* string introducing a comment */
117char *l_comend; /* string ending a comment */
118char l_escape; /* character used to escape characters */
119char *l_keywds[BUFSIZ/2]; /* keyword table address */
120char *l_nocom; /* regexp for non-comments */
121char *l_prcbeg; /* regular expr for procedure begin */
122char *l_strbeg; /* delimiter for string constant */
123char *l_strend; /* delimiter for string constant */
124boolean l_toplex; /* procedures only defined at top lex level */
125char *language = "c"; /* the language indicator */
126
127#define ps(x) printf("%s", x)
128
129void
130main(argc, argv)
131 int argc;
132 char *argv[];
133{
134 char *fname = "";
135 struct stat stbuf;
136 char buf[BUFSIZ];
137 char *defs;
138 int needbp = 0;
139
140 argc--, argv++;
141 do {
142 char *cp;
143 int i;
144
145 if (argc > 0) {
146 if (!strcmp(argv[0], "-h")) {
147 if (argc == 1) {
148 printf("'ds =H\n");
149 argc = 0;
150 goto rest;
151 }
152 printf("'ds =H %s\n", argv[1]);
153 argc--, argv++;
154 argc--, argv++;
155 if (argc > 0)
156 continue;
157 goto rest;
158 }
159
160 /* act as a filter like eqn */
161 if (!strcmp(argv[0], "-f")) {
162 filter++;
163 argv[0] = argv[argc-1];
164 argv[argc-1] = "-";
165 continue;
166 }
167
168 /* take input from the standard place */
169 if (!strcmp(argv[0], "-")) {
170 argc = 0;
171 goto rest;
172 }
173
174 /* build an index */
175 if (!strcmp(argv[0], "-x")) {
176 idx++;
177 argv[0] = "-n";
178 }
179
180 /* indicate no keywords */
181 if (!strcmp(argv[0], "-n")) {
182 nokeyw++;
183 argc--, argv++;
184 continue;
185 }
186
187 /* specify the font size */
188 if (!strncmp(argv[0], "-s", 2)) {
189 i = 0;
190 cp = argv[0] + 2;
191 while (*cp)
192 i = i * 10 + (*cp++ - '0');
193 printf("'ps %d\n'vs %d\n", i, i+1);
194 argc--, argv++;
195 continue;
196 }
197
198 /* specify the language */
199 if (!strncmp(argv[0], "-l", 2)) {
200 language = argv[0]+2;
201 argc--, argv++;
202 continue;
203 }
204
205 /* specify the language description file */
206 if (!strncmp(argv[0], "-d", 2)) {
207 defsfile[0] = argv[1];
208 argc--, argv++;
209 argc--, argv++;
210 continue;
211 }
212
213 /* open the file for input */
214 if (freopen(argv[0], "r", stdin) == NULL) {
215 perror(argv[0]);
216 exit(1);
217 }
218 if (idx)
219 printf("'ta 4i 4.25i 5.5iR\n'in .5i\n");
220 fname = argv[0];
221 argc--, argv++;
222 }
223 rest:
224
225 /*
226 * get the language definition from the defs file
227 */
228 i = cgetent(&defs, defsfile, language);
229 if (i == -1) {
230 fprintf (stderr, "no entry for language %s\n", language);
231 exit (0);
232 } else if (i == -2) { fprintf(stderr,
233 "cannot find vgrindefs file %s\n", defsfile[0]);
234 exit (0);
235 } else if (i == -3) { fprintf(stderr,
236 "potential reference loop detected in vgrindefs file %s\n",
237 defsfile[0]);
238 exit(0);
239 }
240 if (cgetustr(defs, "kw", &cp) == -1)
241 nokeyw = TRUE;
242 else {
243 char **cpp;
244
245 cpp = l_keywds;
246 while (*cp) {
247 while (*cp == ' ' || *cp =='\t')
248 *cp++ = NULL;
249 if (*cp)
250 *cpp++ = cp;
251 while (*cp != ' ' && *cp != '\t' && *cp)
252 cp++;
253 }
254 *cpp = NIL;
255 }
256 cgetustr(defs, "pb", &cp);
257 l_prcbeg = convexp(cp);
258 cgetustr(defs, "cb", &cp);
259 l_combeg = convexp(cp);
260 cgetustr(defs, "ce", &cp);
261 l_comend = convexp(cp);
262 cgetustr(defs, "ab", &cp);
263 l_acmbeg = convexp(cp);
264 cgetustr(defs, "ae", &cp);
265 l_acmend = convexp(cp);
266 cgetustr(defs, "sb", &cp);
267 l_strbeg = convexp(cp);
268 cgetustr(defs, "se", &cp);
269 l_strend = convexp(cp);
270 cgetustr(defs, "bb", &cp);
271 l_blkbeg = convexp(cp);
272 cgetustr(defs, "be", &cp);
273 l_blkend = convexp(cp);
274 cgetustr(defs, "lb", &cp);
275 l_chrbeg = convexp(cp);
276 cgetustr(defs, "le", &cp);
277 l_chrend = convexp(cp);
278 if (cgetustr(defs, "nc", &cp) >= 0)
279 l_nocom = convexp(cp);
280 l_escape = '\\';
281 l_onecase = (cgetcap(defs, "oc", ':') != NULL);
282 l_toplex = (cgetcap(defs, "tl", ':') != NULL);
283
284 /* initialize the program */
285
286 incomm = FALSE;
287 instr = FALSE;
288 inchr = FALSE;
289 _escaped = FALSE;
290 blklevel = 0;
291 for (psptr=0; psptr<PSMAX; psptr++) {
292 pstack[psptr][0] = NULL;
293 plstack[psptr] = 0;
294 }
295 psptr = -1;
296 ps("'-F\n");
297 if (!filter) {
298 printf(".ds =F %s\n", fname);
299 ps("'wh 0 vH\n");
300 ps("'wh -1i vF\n");
301 }
302 if (needbp) {
303 needbp = 0;
304 printf(".()\n");
305 printf(".bp\n");
306 }
307 if (!filter) {
308 fstat(fileno(stdin), &stbuf);
309 cp = ctime(&stbuf.st_mtime);
310 cp[16] = '\0';
311 cp[24] = '\0';
312 printf(".ds =M %s %s\n", cp+4, cp+20);
313 }
314
315 /*
316 * MAIN LOOP!!!
317 */
318 while (fgets(buf, sizeof buf, stdin) != NULL) {
319 if (buf[0] == '\f') {
320 printf(".bp\n");
321 }
322 if (buf[0] == '.') {
323 printf("%s", buf);
324 if (!strncmp (buf+1, "vS", 2))
325 pass = TRUE;
326 if (!strncmp (buf+1, "vE", 2))
327 pass = FALSE;
328 continue;
329 }
330 prccont = FALSE;
331 if (!filter || pass)
332 putScp(buf);
333 else
334 printf("%s", buf);
335 if (prccont && (psptr >= 0)) {
336 ps("'FC ");
337 ps(pstack[psptr]);
338 ps("\n");
339 }
340#ifdef DEBUG
341 printf ("com %o str %o chr %o ptr %d\n", incomm, instr, inchr, psptr);
342#endif
343 margin = 0;
344 }
345 needbp = 1;
346 } while (argc > 0);
347 exit(0);
348}
349
350#define isidchr(c) (isalnum(c) || (c) == '_')
351
352static void
353putScp(os)
354 char *os;
355{
356 register char *s = os; /* pointer to unmatched string */
357 char dummy[BUFSIZ]; /* dummy to be used by expmatch */
358 char *comptr; /* end of a comment delimiter */
359 char *acmptr; /* end of a comment delimiter */
360 char *strptr; /* end of a string delimiter */
361 char *chrptr; /* end of a character const delimiter */
362 char *blksptr; /* end of a lexical block start */
363 char *blkeptr; /* end of a lexical block end */
364 char *nocomptr; /* end of a non-comment delimiter */
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);
| 1/*
2 * Copyright (c) 1980, 1993
3 * The Regents of the University of California. 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
35static char copyright[] =
36"@(#) Copyright (c) 1980, 1993\n\
37 The Regents of the University of California. All rights reserved.\n";
38#endif /* not lint */
39
40#ifndef lint
41static char sccsid[] = "@(#)vfontedpr.c 8.1 (Berkeley) 6/6/93";
42#endif /* not lint */
43
44#include <sys/types.h>
45#include <sys/stat.h>
46#include <time.h>
47#include <ctype.h>
48#include <stdlib.h>
49#include <string.h>
50#include <stdio.h>
51#include "pathnames.h"
52#include "extern.h"
53
54#define FALSE 0
55#define TRUE !(FALSE)
56#define NIL 0
57#define STANDARD 0
58#define ALTERNATE 1
59
60/*
61 * Vfontedpr.
62 *
63 * Dave Presotto 1/12/81 (adapted from an earlier version by Bill Joy)
64 *
65 */
66
67#define STRLEN 10 /* length of strings introducing things */
68#define PNAMELEN 40 /* length of a function/procedure name */
69#define PSMAX 20 /* size of procedure name stacking */
70
71static int iskw __P((char *));
72static boolean isproc __P((char *));
73static void putKcp __P((char *, char *, boolean));
74static void putScp __P((char *));
75static void putcp __P((int));
76static int tabs __P((char *, char *));
77static int width __P((char *, char *));
78
79/*
80 * The state variables
81 */
82
83static boolean filter = FALSE; /* act as a filter (like eqn) */
84static boolean inchr; /* in a string constant */
85static boolean incomm; /* in a comment of the primary type */
86static boolean idx = FALSE; /* form an index */
87static boolean instr; /* in a string constant */
88static boolean nokeyw = FALSE; /* no keywords being flagged */
89static boolean pass = FALSE; /*
90 * when acting as a filter, pass indicates
91 * whether we are currently processing
92 * input.
93 */
94
95static int blklevel; /* current nesting level */
96static int comtype; /* type of comment */
97static char *defsfile[2] = { _PATH_VGRINDEFS, 0 };
98 /* name of language definitions file */
99static int margin;
100static int plstack[PSMAX]; /* the procedure nesting level stack */
101static char pname[BUFSIZ+1];
102static boolean prccont; /* continue last procedure */
103static int psptr; /* the stack index of the current procedure */
104static char pstack[PSMAX][PNAMELEN+1]; /* the procedure name stack */
105
106/*
107 * The language specific globals
108 */
109
110char *l_acmbeg; /* string introducing a comment */
111char *l_acmend; /* string ending a comment */
112char *l_blkbeg; /* string begining of a block */
113char *l_blkend; /* string ending a block */
114char *l_chrbeg; /* delimiter for character constant */
115char *l_chrend; /* delimiter for character constant */
116char *l_combeg; /* string introducing a comment */
117char *l_comend; /* string ending a comment */
118char l_escape; /* character used to escape characters */
119char *l_keywds[BUFSIZ/2]; /* keyword table address */
120char *l_nocom; /* regexp for non-comments */
121char *l_prcbeg; /* regular expr for procedure begin */
122char *l_strbeg; /* delimiter for string constant */
123char *l_strend; /* delimiter for string constant */
124boolean l_toplex; /* procedures only defined at top lex level */
125char *language = "c"; /* the language indicator */
126
127#define ps(x) printf("%s", x)
128
129void
130main(argc, argv)
131 int argc;
132 char *argv[];
133{
134 char *fname = "";
135 struct stat stbuf;
136 char buf[BUFSIZ];
137 char *defs;
138 int needbp = 0;
139
140 argc--, argv++;
141 do {
142 char *cp;
143 int i;
144
145 if (argc > 0) {
146 if (!strcmp(argv[0], "-h")) {
147 if (argc == 1) {
148 printf("'ds =H\n");
149 argc = 0;
150 goto rest;
151 }
152 printf("'ds =H %s\n", argv[1]);
153 argc--, argv++;
154 argc--, argv++;
155 if (argc > 0)
156 continue;
157 goto rest;
158 }
159
160 /* act as a filter like eqn */
161 if (!strcmp(argv[0], "-f")) {
162 filter++;
163 argv[0] = argv[argc-1];
164 argv[argc-1] = "-";
165 continue;
166 }
167
168 /* take input from the standard place */
169 if (!strcmp(argv[0], "-")) {
170 argc = 0;
171 goto rest;
172 }
173
174 /* build an index */
175 if (!strcmp(argv[0], "-x")) {
176 idx++;
177 argv[0] = "-n";
178 }
179
180 /* indicate no keywords */
181 if (!strcmp(argv[0], "-n")) {
182 nokeyw++;
183 argc--, argv++;
184 continue;
185 }
186
187 /* specify the font size */
188 if (!strncmp(argv[0], "-s", 2)) {
189 i = 0;
190 cp = argv[0] + 2;
191 while (*cp)
192 i = i * 10 + (*cp++ - '0');
193 printf("'ps %d\n'vs %d\n", i, i+1);
194 argc--, argv++;
195 continue;
196 }
197
198 /* specify the language */
199 if (!strncmp(argv[0], "-l", 2)) {
200 language = argv[0]+2;
201 argc--, argv++;
202 continue;
203 }
204
205 /* specify the language description file */
206 if (!strncmp(argv[0], "-d", 2)) {
207 defsfile[0] = argv[1];
208 argc--, argv++;
209 argc--, argv++;
210 continue;
211 }
212
213 /* open the file for input */
214 if (freopen(argv[0], "r", stdin) == NULL) {
215 perror(argv[0]);
216 exit(1);
217 }
218 if (idx)
219 printf("'ta 4i 4.25i 5.5iR\n'in .5i\n");
220 fname = argv[0];
221 argc--, argv++;
222 }
223 rest:
224
225 /*
226 * get the language definition from the defs file
227 */
228 i = cgetent(&defs, defsfile, language);
229 if (i == -1) {
230 fprintf (stderr, "no entry for language %s\n", language);
231 exit (0);
232 } else if (i == -2) { fprintf(stderr,
233 "cannot find vgrindefs file %s\n", defsfile[0]);
234 exit (0);
235 } else if (i == -3) { fprintf(stderr,
236 "potential reference loop detected in vgrindefs file %s\n",
237 defsfile[0]);
238 exit(0);
239 }
240 if (cgetustr(defs, "kw", &cp) == -1)
241 nokeyw = TRUE;
242 else {
243 char **cpp;
244
245 cpp = l_keywds;
246 while (*cp) {
247 while (*cp == ' ' || *cp =='\t')
248 *cp++ = NULL;
249 if (*cp)
250 *cpp++ = cp;
251 while (*cp != ' ' && *cp != '\t' && *cp)
252 cp++;
253 }
254 *cpp = NIL;
255 }
256 cgetustr(defs, "pb", &cp);
257 l_prcbeg = convexp(cp);
258 cgetustr(defs, "cb", &cp);
259 l_combeg = convexp(cp);
260 cgetustr(defs, "ce", &cp);
261 l_comend = convexp(cp);
262 cgetustr(defs, "ab", &cp);
263 l_acmbeg = convexp(cp);
264 cgetustr(defs, "ae", &cp);
265 l_acmend = convexp(cp);
266 cgetustr(defs, "sb", &cp);
267 l_strbeg = convexp(cp);
268 cgetustr(defs, "se", &cp);
269 l_strend = convexp(cp);
270 cgetustr(defs, "bb", &cp);
271 l_blkbeg = convexp(cp);
272 cgetustr(defs, "be", &cp);
273 l_blkend = convexp(cp);
274 cgetustr(defs, "lb", &cp);
275 l_chrbeg = convexp(cp);
276 cgetustr(defs, "le", &cp);
277 l_chrend = convexp(cp);
278 if (cgetustr(defs, "nc", &cp) >= 0)
279 l_nocom = convexp(cp);
280 l_escape = '\\';
281 l_onecase = (cgetcap(defs, "oc", ':') != NULL);
282 l_toplex = (cgetcap(defs, "tl", ':') != NULL);
283
284 /* initialize the program */
285
286 incomm = FALSE;
287 instr = FALSE;
288 inchr = FALSE;
289 _escaped = FALSE;
290 blklevel = 0;
291 for (psptr=0; psptr<PSMAX; psptr++) {
292 pstack[psptr][0] = NULL;
293 plstack[psptr] = 0;
294 }
295 psptr = -1;
296 ps("'-F\n");
297 if (!filter) {
298 printf(".ds =F %s\n", fname);
299 ps("'wh 0 vH\n");
300 ps("'wh -1i vF\n");
301 }
302 if (needbp) {
303 needbp = 0;
304 printf(".()\n");
305 printf(".bp\n");
306 }
307 if (!filter) {
308 fstat(fileno(stdin), &stbuf);
309 cp = ctime(&stbuf.st_mtime);
310 cp[16] = '\0';
311 cp[24] = '\0';
312 printf(".ds =M %s %s\n", cp+4, cp+20);
313 }
314
315 /*
316 * MAIN LOOP!!!
317 */
318 while (fgets(buf, sizeof buf, stdin) != NULL) {
319 if (buf[0] == '\f') {
320 printf(".bp\n");
321 }
322 if (buf[0] == '.') {
323 printf("%s", buf);
324 if (!strncmp (buf+1, "vS", 2))
325 pass = TRUE;
326 if (!strncmp (buf+1, "vE", 2))
327 pass = FALSE;
328 continue;
329 }
330 prccont = FALSE;
331 if (!filter || pass)
332 putScp(buf);
333 else
334 printf("%s", buf);
335 if (prccont && (psptr >= 0)) {
336 ps("'FC ");
337 ps(pstack[psptr]);
338 ps("\n");
339 }
340#ifdef DEBUG
341 printf ("com %o str %o chr %o ptr %d\n", incomm, instr, inchr, psptr);
342#endif
343 margin = 0;
344 }
345 needbp = 1;
346 } while (argc > 0);
347 exit(0);
348}
349
350#define isidchr(c) (isalnum(c) || (c) == '_')
351
352static void
353putScp(os)
354 char *os;
355{
356 register char *s = os; /* pointer to unmatched string */
357 char dummy[BUFSIZ]; /* dummy to be used by expmatch */
358 char *comptr; /* end of a comment delimiter */
359 char *acmptr; /* end of a comment delimiter */
360 char *strptr; /* end of a string delimiter */
361 char *chrptr; /* end of a character const delimiter */
362 char *blksptr; /* end of a lexical block start */
363 char *blkeptr; /* end of a lexical block end */
364 char *nocomptr; /* end of a non-comment delimiter */
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);
|
378 plstack[psptr] = blklevel;
379 }
380 }
381skip:
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 nocomptr = expmatch (s, l_nocom, dummy);
393
394 /* start of non-comment? */
395 if (nocomptr != NIL)
396 if ((nocomptr <= comptr || comptr == NIL)
397 && (nocomptr <= acmptr || acmptr == NIL)) {
398 /* continue after non-comment */
399 putKcp (s, nocomptr-1, FALSE);
400 s = nocomptr;
401 continue;
402 }
403
404 /* start of a comment? */
405 if (comptr != NIL)
406 if ((comptr < strptr || strptr == NIL)
407 && (comptr < acmptr || acmptr == NIL)
408 && (comptr < chrptr || chrptr == NIL)
409 && (comptr < blksptr || blksptr == NIL)
410 && (comptr < blkeptr || blkeptr == NIL)) {
411 putKcp (s, comptr-1, FALSE);
412 s = comptr;
413 incomm = TRUE;
414 comtype = STANDARD;
415 if (s != os)
416 ps ("\\c");
417 ps ("\\c\n'+C\n");
418 continue;
419 }
420
421 /* start of a comment? */
422 if (acmptr != NIL)
423 if ((acmptr < strptr || strptr == NIL)
424 && (acmptr < chrptr || chrptr == NIL)
425 && (acmptr < blksptr || blksptr == NIL)
426 && (acmptr < blkeptr || blkeptr == NIL)) {
427 putKcp (s, acmptr-1, FALSE);
428 s = acmptr;
429 incomm = TRUE;
430 comtype = ALTERNATE;
431 if (s != os)
432 ps ("\\c");
433 ps ("\\c\n'+C\n");
434 continue;
435 }
436
437 /* start of a string? */
438 if (strptr != NIL)
439 if ((strptr < chrptr || chrptr == NIL)
440 && (strptr < blksptr || blksptr == NIL)
441 && (strptr < blkeptr || blkeptr == NIL)) {
442 putKcp (s, strptr-1, FALSE);
443 s = strptr;
444 instr = TRUE;
445 continue;
446 }
447
448 /* start of a character string? */
449 if (chrptr != NIL)
450 if ((chrptr < blksptr || blksptr == NIL)
451 && (chrptr < blkeptr || blkeptr == NIL)) {
452 putKcp (s, chrptr-1, FALSE);
453 s = chrptr;
454 inchr = TRUE;
455 continue;
456 }
457
458 /* end of a lexical block */
459 if (blkeptr != NIL) {
460 if (blkeptr < blksptr || blksptr == NIL) {
461 putKcp (s, blkeptr - 1, FALSE);
462 s = blkeptr;
463 if (blklevel > 0 /* sanity */)
464 blklevel--;
465 if (psptr >= 0 && plstack[psptr] >= blklevel) {
466
467 /* end of current procedure */
468 if (s != os)
469 ps ("\\c");
470 ps ("\\c\n'-F\n");
471 blklevel = plstack[psptr];
472
473 /* see if we should print the last proc name */
474 if (--psptr >= 0)
475 prccont = TRUE;
476 else
477 psptr = -1;
478 }
479 continue;
480 }
481 }
482
483 /* start of a lexical block */
484 if (blksptr != NIL) {
485 putKcp (s, blksptr - 1, FALSE);
486 s = blksptr;
487 blklevel++;
488 continue;
489 }
490
491 /* check for end of comment */
492 } else if (incomm) {
493 comptr = expmatch (s, l_comend, dummy);
494 acmptr = expmatch (s, l_acmend, dummy);
495 if (((comtype == STANDARD) && (comptr != NIL)) ||
496 ((comtype == ALTERNATE) && (acmptr != NIL))) {
497 if (comtype == STANDARD) {
498 putKcp (s, comptr-1, TRUE);
499 s = comptr;
500 } else {
501 putKcp (s, acmptr-1, TRUE);
502 s = acmptr;
503 }
504 incomm = FALSE;
505 ps("\\c\n'-C\n");
506 continue;
507 } else {
508 putKcp (s, s + strlen(s) -1, TRUE);
509 s = s + strlen(s);
510 continue;
511 }
512
513 /* check for end of string */
514 } else if (instr) {
515 if ((strptr = expmatch (s, l_strend, dummy)) != NIL) {
516 putKcp (s, strptr-1, TRUE);
517 s = strptr;
518 instr = FALSE;
519 continue;
520 } else {
521 putKcp (s, s+strlen(s)-1, TRUE);
522 s = s + strlen(s);
523 continue;
524 }
525
526 /* check for end of character string */
527 } else if (inchr) {
528 if ((chrptr = expmatch (s, l_chrend, dummy)) != NIL) {
529 putKcp (s, chrptr-1, TRUE);
530 s = chrptr;
531 inchr = FALSE;
532 continue;
533 } else {
534 putKcp (s, s+strlen(s)-1, TRUE);
535 s = s + strlen(s);
536 continue;
537 }
538 }
539
540 /* print out the line */
541 putKcp (s, s + strlen(s) -1, FALSE);
542 s = s + strlen(s);
543 } while (*s);
544}
545
546static void
547putKcp (start, end, force)
548 char *start; /* start of string to write */
549 char *end; /* end of string to write */
550 boolean force; /* true if we should force nokeyw */
551{
552 int i;
553 int xfld = 0;
554
555 while (start <= end) {
556 if (idx) {
557 if (*start == ' ' || *start == '\t') {
558 if (xfld == 0)
559 printf("\001");
560 printf("\t");
561 xfld = 1;
562 while (*start == ' ' || *start == '\t')
563 start++;
564 continue;
565 }
566 }
567
568 /* take care of nice tab stops */
569 if (*start == '\t') {
570 while (*start == '\t')
571 start++;
572 i = tabs(_start, start) - margin / 8;
573 printf("\\h'|%dn'", i * 10 + 1 - margin % 8);
574 continue;
575 }
576
577 if (!nokeyw && !force)
578 if ((*start == '#' || isidchr(*start))
579 && (start == _start || !isidchr(start[-1]))) {
580 i = iskw(start);
581 if (i > 0) {
582 ps("\\*(+K");
583 do
584 putcp((unsigned char)*start++);
585 while (--i > 0);
586 ps("\\*(-K");
587 continue;
588 }
589 }
590
591 putcp ((unsigned char)*start++);
592 }
593}
594
595
596static int
597tabs(s, os)
598 char *s, *os;
599{
600
601 return (width(s, os) / 8);
602}
603
604static int
605width(s, os)
606 register char *s, *os;
607{
608 register int i = 0;
609
610 while (s < os) {
611 if (*s == '\t') {
612 i = (i + 8) &~ 7;
613 s++;
614 continue;
615 }
616 if (*s < ' ')
617 i += 2;
618 else
619 i++;
620 s++;
621 }
622 return (i);
623}
624
625static void
626putcp(c)
627 register int c;
628{
629
630 switch(c) {
631
632 case 0:
633 break;
634
635 case '\f':
636 break;
637
638 case '\r':
639 break;
640
641 case '{':
642 ps("\\*(+K{\\*(-K");
643 break;
644
645 case '}':
646 ps("\\*(+K}\\*(-K");
647 break;
648
649 case '\\':
650 ps("\\e");
651 break;
652
653 case '_':
654 ps("\\*_");
655 break;
656
657 case '-':
658 ps("\\*-");
659 break;
660
661 case '`':
662 ps("\\`");
663 break;
664
665 case '\'':
666 ps("\\'");
667 break;
668
669 case '.':
670 ps("\\&.");
671 break;
672
673 case '*':
674 ps("\\fI*\\fP");
675 break;
676
677 case '/':
678 ps("\\fI\\h'\\w' 'u-\\w'/'u'/\\fP");
679 break;
680
681 default:
682 if (c < 040)
683 putchar('^'), c |= '@';
684 case '\t':
685 case '\n':
686 putchar(c);
687 }
688}
689
690/*
691 * look for a process beginning on this line
692 */
693static boolean
694isproc(s)
695 char *s;
696{
697 pname[0] = NULL;
698 if (!l_toplex || blklevel == 0)
699 if (expmatch (s, l_prcbeg, pname) != NIL) {
700 return (TRUE);
701 }
702 return (FALSE);
703}
704
705
706/* iskw - check to see if the next word is a keyword
707 */
708
709static int
710iskw(s)
711 register char *s;
712{
713 register char **ss = l_keywds;
714 register int i = 1;
715 register char *cp = s;
716
717 while (++cp, isidchr(*cp))
718 i++;
719 while (cp = *ss++)
720 if (!STRNCMP(s,cp,i) && !isidchr(cp[i]))
721 return (i);
722 return (0);
723}
724
| 378 plstack[psptr] = blklevel;
379 }
380 }
381skip:
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 nocomptr = expmatch (s, l_nocom, dummy);
393
394 /* start of non-comment? */
395 if (nocomptr != NIL)
396 if ((nocomptr <= comptr || comptr == NIL)
397 && (nocomptr <= acmptr || acmptr == NIL)) {
398 /* continue after non-comment */
399 putKcp (s, nocomptr-1, FALSE);
400 s = nocomptr;
401 continue;
402 }
403
404 /* start of a comment? */
405 if (comptr != NIL)
406 if ((comptr < strptr || strptr == NIL)
407 && (comptr < acmptr || acmptr == NIL)
408 && (comptr < chrptr || chrptr == NIL)
409 && (comptr < blksptr || blksptr == NIL)
410 && (comptr < blkeptr || blkeptr == NIL)) {
411 putKcp (s, comptr-1, FALSE);
412 s = comptr;
413 incomm = TRUE;
414 comtype = STANDARD;
415 if (s != os)
416 ps ("\\c");
417 ps ("\\c\n'+C\n");
418 continue;
419 }
420
421 /* start of a comment? */
422 if (acmptr != NIL)
423 if ((acmptr < strptr || strptr == NIL)
424 && (acmptr < chrptr || chrptr == NIL)
425 && (acmptr < blksptr || blksptr == NIL)
426 && (acmptr < blkeptr || blkeptr == NIL)) {
427 putKcp (s, acmptr-1, FALSE);
428 s = acmptr;
429 incomm = TRUE;
430 comtype = ALTERNATE;
431 if (s != os)
432 ps ("\\c");
433 ps ("\\c\n'+C\n");
434 continue;
435 }
436
437 /* start of a string? */
438 if (strptr != NIL)
439 if ((strptr < chrptr || chrptr == NIL)
440 && (strptr < blksptr || blksptr == NIL)
441 && (strptr < blkeptr || blkeptr == NIL)) {
442 putKcp (s, strptr-1, FALSE);
443 s = strptr;
444 instr = TRUE;
445 continue;
446 }
447
448 /* start of a character string? */
449 if (chrptr != NIL)
450 if ((chrptr < blksptr || blksptr == NIL)
451 && (chrptr < blkeptr || blkeptr == NIL)) {
452 putKcp (s, chrptr-1, FALSE);
453 s = chrptr;
454 inchr = TRUE;
455 continue;
456 }
457
458 /* end of a lexical block */
459 if (blkeptr != NIL) {
460 if (blkeptr < blksptr || blksptr == NIL) {
461 putKcp (s, blkeptr - 1, FALSE);
462 s = blkeptr;
463 if (blklevel > 0 /* sanity */)
464 blklevel--;
465 if (psptr >= 0 && plstack[psptr] >= blklevel) {
466
467 /* end of current procedure */
468 if (s != os)
469 ps ("\\c");
470 ps ("\\c\n'-F\n");
471 blklevel = plstack[psptr];
472
473 /* see if we should print the last proc name */
474 if (--psptr >= 0)
475 prccont = TRUE;
476 else
477 psptr = -1;
478 }
479 continue;
480 }
481 }
482
483 /* start of a lexical block */
484 if (blksptr != NIL) {
485 putKcp (s, blksptr - 1, FALSE);
486 s = blksptr;
487 blklevel++;
488 continue;
489 }
490
491 /* check for end of comment */
492 } else if (incomm) {
493 comptr = expmatch (s, l_comend, dummy);
494 acmptr = expmatch (s, l_acmend, dummy);
495 if (((comtype == STANDARD) && (comptr != NIL)) ||
496 ((comtype == ALTERNATE) && (acmptr != NIL))) {
497 if (comtype == STANDARD) {
498 putKcp (s, comptr-1, TRUE);
499 s = comptr;
500 } else {
501 putKcp (s, acmptr-1, TRUE);
502 s = acmptr;
503 }
504 incomm = FALSE;
505 ps("\\c\n'-C\n");
506 continue;
507 } else {
508 putKcp (s, s + strlen(s) -1, TRUE);
509 s = s + strlen(s);
510 continue;
511 }
512
513 /* check for end of string */
514 } else if (instr) {
515 if ((strptr = expmatch (s, l_strend, dummy)) != NIL) {
516 putKcp (s, strptr-1, TRUE);
517 s = strptr;
518 instr = FALSE;
519 continue;
520 } else {
521 putKcp (s, s+strlen(s)-1, TRUE);
522 s = s + strlen(s);
523 continue;
524 }
525
526 /* check for end of character string */
527 } else if (inchr) {
528 if ((chrptr = expmatch (s, l_chrend, dummy)) != NIL) {
529 putKcp (s, chrptr-1, TRUE);
530 s = chrptr;
531 inchr = FALSE;
532 continue;
533 } else {
534 putKcp (s, s+strlen(s)-1, TRUE);
535 s = s + strlen(s);
536 continue;
537 }
538 }
539
540 /* print out the line */
541 putKcp (s, s + strlen(s) -1, FALSE);
542 s = s + strlen(s);
543 } while (*s);
544}
545
546static void
547putKcp (start, end, force)
548 char *start; /* start of string to write */
549 char *end; /* end of string to write */
550 boolean force; /* true if we should force nokeyw */
551{
552 int i;
553 int xfld = 0;
554
555 while (start <= end) {
556 if (idx) {
557 if (*start == ' ' || *start == '\t') {
558 if (xfld == 0)
559 printf("\001");
560 printf("\t");
561 xfld = 1;
562 while (*start == ' ' || *start == '\t')
563 start++;
564 continue;
565 }
566 }
567
568 /* take care of nice tab stops */
569 if (*start == '\t') {
570 while (*start == '\t')
571 start++;
572 i = tabs(_start, start) - margin / 8;
573 printf("\\h'|%dn'", i * 10 + 1 - margin % 8);
574 continue;
575 }
576
577 if (!nokeyw && !force)
578 if ((*start == '#' || isidchr(*start))
579 && (start == _start || !isidchr(start[-1]))) {
580 i = iskw(start);
581 if (i > 0) {
582 ps("\\*(+K");
583 do
584 putcp((unsigned char)*start++);
585 while (--i > 0);
586 ps("\\*(-K");
587 continue;
588 }
589 }
590
591 putcp ((unsigned char)*start++);
592 }
593}
594
595
596static int
597tabs(s, os)
598 char *s, *os;
599{
600
601 return (width(s, os) / 8);
602}
603
604static int
605width(s, os)
606 register char *s, *os;
607{
608 register int i = 0;
609
610 while (s < os) {
611 if (*s == '\t') {
612 i = (i + 8) &~ 7;
613 s++;
614 continue;
615 }
616 if (*s < ' ')
617 i += 2;
618 else
619 i++;
620 s++;
621 }
622 return (i);
623}
624
625static void
626putcp(c)
627 register int c;
628{
629
630 switch(c) {
631
632 case 0:
633 break;
634
635 case '\f':
636 break;
637
638 case '\r':
639 break;
640
641 case '{':
642 ps("\\*(+K{\\*(-K");
643 break;
644
645 case '}':
646 ps("\\*(+K}\\*(-K");
647 break;
648
649 case '\\':
650 ps("\\e");
651 break;
652
653 case '_':
654 ps("\\*_");
655 break;
656
657 case '-':
658 ps("\\*-");
659 break;
660
661 case '`':
662 ps("\\`");
663 break;
664
665 case '\'':
666 ps("\\'");
667 break;
668
669 case '.':
670 ps("\\&.");
671 break;
672
673 case '*':
674 ps("\\fI*\\fP");
675 break;
676
677 case '/':
678 ps("\\fI\\h'\\w' 'u-\\w'/'u'/\\fP");
679 break;
680
681 default:
682 if (c < 040)
683 putchar('^'), c |= '@';
684 case '\t':
685 case '\n':
686 putchar(c);
687 }
688}
689
690/*
691 * look for a process beginning on this line
692 */
693static boolean
694isproc(s)
695 char *s;
696{
697 pname[0] = NULL;
698 if (!l_toplex || blklevel == 0)
699 if (expmatch (s, l_prcbeg, pname) != NIL) {
700 return (TRUE);
701 }
702 return (FALSE);
703}
704
705
706/* iskw - check to see if the next word is a keyword
707 */
708
709static int
710iskw(s)
711 register char *s;
712{
713 register char **ss = l_keywds;
714 register int i = 1;
715 register char *cp = s;
716
717 while (++cp, isidchr(*cp))
718 i++;
719 while (cp = *ss++)
720 if (!STRNCMP(s,cp,i) && !isidchr(cp[i]))
721 return (i);
722 return (0);
723}
724
|