11590Srgrimes/* 21590Srgrimes * Copyright (c) 1980, 1993 31590Srgrimes * The Regents of the University of California. All rights reserved. 41590Srgrimes * 51590Srgrimes * Redistribution and use in source and binary forms, with or without 61590Srgrimes * modification, are permitted provided that the following conditions 71590Srgrimes * are met: 81590Srgrimes * 1. Redistributions of source code must retain the above copyright 91590Srgrimes * notice, this list of conditions and the following disclaimer. 101590Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 111590Srgrimes * notice, this list of conditions and the following disclaimer in the 121590Srgrimes * documentation and/or other materials provided with the distribution. 131590Srgrimes * 4. Neither the name of the University nor the names of its contributors 141590Srgrimes * may be used to endorse or promote products derived from this software 151590Srgrimes * without specific prior written permission. 161590Srgrimes * 171590Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 181590Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 191590Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 201590Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 211590Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 221590Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 231590Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 241590Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 251590Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 261590Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 271590Srgrimes * SUCH DAMAGE. 281590Srgrimes */ 291590Srgrimes 3087693Smarkm#include <sys/cdefs.h> 3187693Smarkm 3287693Smarkm__FBSDID("$FreeBSD$"); 3387693Smarkm 341590Srgrimes#ifndef lint 3528691Scharnierstatic const char copyright[] = 361590Srgrimes"@(#) Copyright (c) 1980, 1993\n\ 371590Srgrimes The Regents of the University of California. All rights reserved.\n"; 3887693Smarkm#endif 391590Srgrimes 401590Srgrimes#ifndef lint 4187693Smarkmstatic const char sccsid[] = "@(#)vfontedpr.c 8.1 (Berkeley) 6/6/93"; 4228691Scharnier#endif 431590Srgrimes 441590Srgrimes#include <sys/types.h> 451590Srgrimes#include <sys/stat.h> 461590Srgrimes#include <ctype.h> 4728691Scharnier#include <err.h> 4828691Scharnier#include <stdio.h> 491590Srgrimes#include <stdlib.h> 501590Srgrimes#include <string.h> 5128691Scharnier#include <time.h> 521590Srgrimes#include "pathnames.h" 531590Srgrimes#include "extern.h" 541590Srgrimes 551590Srgrimes#define FALSE 0 561590Srgrimes#define TRUE !(FALSE) 571590Srgrimes#define NIL 0 581590Srgrimes#define STANDARD 0 591590Srgrimes#define ALTERNATE 1 601590Srgrimes 611590Srgrimes/* 621590Srgrimes * Vfontedpr. 631590Srgrimes * 641590Srgrimes * Dave Presotto 1/12/81 (adapted from an earlier version by Bill Joy) 651590Srgrimes * 661590Srgrimes */ 671590Srgrimes 681590Srgrimes#define STRLEN 10 /* length of strings introducing things */ 691590Srgrimes#define PNAMELEN 40 /* length of a function/procedure name */ 701590Srgrimes#define PSMAX 20 /* size of procedure name stacking */ 711590Srgrimes 7292922Simpstatic int iskw(char *); 7392922Simpstatic boolean isproc(char *); 7492922Simpstatic void putKcp(char *, char *, boolean); 7592922Simpstatic void putScp(char *); 7692922Simpstatic void putcp(int); 7792922Simpstatic int tabs(char *, char *); 7892922Simpstatic int width(char *, char *); 791590Srgrimes 801590Srgrimes/* 811590Srgrimes * The state variables 821590Srgrimes */ 831590Srgrimes 841590Srgrimesstatic boolean filter = FALSE; /* act as a filter (like eqn) */ 851590Srgrimesstatic boolean inchr; /* in a string constant */ 861590Srgrimesstatic boolean incomm; /* in a comment of the primary type */ 871590Srgrimesstatic boolean idx = FALSE; /* form an index */ 881590Srgrimesstatic boolean instr; /* in a string constant */ 891590Srgrimesstatic boolean nokeyw = FALSE; /* no keywords being flagged */ 901590Srgrimesstatic boolean pass = FALSE; /* 911590Srgrimes * when acting as a filter, pass indicates 921590Srgrimes * whether we are currently processing 931590Srgrimes * input. 941590Srgrimes */ 951590Srgrimes 961590Srgrimesstatic int blklevel; /* current nesting level */ 971590Srgrimesstatic int comtype; /* type of comment */ 98121547Speterstatic char * defsfile[2] = { _PATH_VGRINDEFS, 0 }; 991590Srgrimes /* name of language definitions file */ 1001590Srgrimesstatic int margin; 1011590Srgrimesstatic int plstack[PSMAX]; /* the procedure nesting level stack */ 1028874Srgrimesstatic char pname[BUFSIZ+1]; 1031590Srgrimesstatic boolean prccont; /* continue last procedure */ 1041590Srgrimesstatic int psptr; /* the stack index of the current procedure */ 1051590Srgrimesstatic char pstack[PSMAX][PNAMELEN+1]; /* the procedure name stack */ 1061590Srgrimes 1071590Srgrimes/* 1081590Srgrimes * The language specific globals 1091590Srgrimes */ 1101590Srgrimes 1111590Srgrimeschar *l_acmbeg; /* string introducing a comment */ 1121590Srgrimeschar *l_acmend; /* string ending a comment */ 113228992Suqschar *l_blkbeg; /* string beginning of a block */ 1141590Srgrimeschar *l_blkend; /* string ending a block */ 1151590Srgrimeschar *l_chrbeg; /* delimiter for character constant */ 1161590Srgrimeschar *l_chrend; /* delimiter for character constant */ 1171590Srgrimeschar *l_combeg; /* string introducing a comment */ 1181590Srgrimeschar *l_comend; /* string ending a comment */ 1191590Srgrimeschar l_escape; /* character used to escape characters */ 1201590Srgrimeschar *l_keywds[BUFSIZ/2]; /* keyword table address */ 12119012Sjoergchar *l_nocom; /* regexp for non-comments */ 1221590Srgrimeschar *l_prcbeg; /* regular expr for procedure begin */ 1231590Srgrimeschar *l_strbeg; /* delimiter for string constant */ 1241590Srgrimeschar *l_strend; /* delimiter for string constant */ 1251590Srgrimesboolean l_toplex; /* procedures only defined at top lex level */ 12687693Smarkmconst char *language = "c"; /* the language indicator */ 1271590Srgrimes 1281590Srgrimes#define ps(x) printf("%s", x) 1291590Srgrimes 13028789Scharnierint 1311590Srgrimesmain(argc, argv) 1321590Srgrimes int argc; 1331590Srgrimes char *argv[]; 1341590Srgrimes{ 13587693Smarkm const char *fname = ""; 1361590Srgrimes struct stat stbuf; 1371590Srgrimes char buf[BUFSIZ]; 1381590Srgrimes char *defs; 1391590Srgrimes int needbp = 0; 1401590Srgrimes 1411590Srgrimes argc--, argv++; 1421590Srgrimes do { 1431590Srgrimes char *cp; 1441590Srgrimes int i; 1451590Srgrimes 1461590Srgrimes if (argc > 0) { 1471590Srgrimes if (!strcmp(argv[0], "-h")) { 1481590Srgrimes if (argc == 1) { 1491590Srgrimes printf("'ds =H\n"); 1501590Srgrimes argc = 0; 1511590Srgrimes goto rest; 1521590Srgrimes } 1531590Srgrimes printf("'ds =H %s\n", argv[1]); 1541590Srgrimes argc--, argv++; 1551590Srgrimes argc--, argv++; 1561590Srgrimes if (argc > 0) 1571590Srgrimes continue; 1581590Srgrimes goto rest; 1591590Srgrimes } 1601590Srgrimes 1611590Srgrimes /* act as a filter like eqn */ 1621590Srgrimes if (!strcmp(argv[0], "-f")) { 1631590Srgrimes filter++; 1641590Srgrimes argv[0] = argv[argc-1]; 16587693Smarkm argv[argc-1] = strdup("-"); 1661590Srgrimes continue; 1671590Srgrimes } 1681590Srgrimes 1691590Srgrimes /* take input from the standard place */ 1701590Srgrimes if (!strcmp(argv[0], "-")) { 1711590Srgrimes argc = 0; 1721590Srgrimes goto rest; 1731590Srgrimes } 1741590Srgrimes 1751590Srgrimes /* build an index */ 1761590Srgrimes if (!strcmp(argv[0], "-x")) { 1771590Srgrimes idx++; 17887693Smarkm argv[0] = strdup("-n"); 1791590Srgrimes } 1801590Srgrimes 1811590Srgrimes /* indicate no keywords */ 1821590Srgrimes if (!strcmp(argv[0], "-n")) { 1831590Srgrimes nokeyw++; 1841590Srgrimes argc--, argv++; 1851590Srgrimes continue; 1861590Srgrimes } 1871590Srgrimes 1881590Srgrimes /* specify the font size */ 1891590Srgrimes if (!strncmp(argv[0], "-s", 2)) { 1901590Srgrimes i = 0; 1911590Srgrimes cp = argv[0] + 2; 1921590Srgrimes while (*cp) 1931590Srgrimes i = i * 10 + (*cp++ - '0'); 1941590Srgrimes printf("'ps %d\n'vs %d\n", i, i+1); 1951590Srgrimes argc--, argv++; 1961590Srgrimes continue; 1971590Srgrimes } 1981590Srgrimes 1991590Srgrimes /* specify the language */ 2001590Srgrimes if (!strncmp(argv[0], "-l", 2)) { 2011590Srgrimes language = argv[0]+2; 2021590Srgrimes argc--, argv++; 2031590Srgrimes continue; 2041590Srgrimes } 2051590Srgrimes 2061590Srgrimes /* specify the language description file */ 2071590Srgrimes if (!strncmp(argv[0], "-d", 2)) { 2081590Srgrimes defsfile[0] = argv[1]; 2091590Srgrimes argc--, argv++; 2101590Srgrimes argc--, argv++; 2111590Srgrimes continue; 2121590Srgrimes } 2131590Srgrimes 2141590Srgrimes /* open the file for input */ 21528691Scharnier if (freopen(argv[0], "r", stdin) == NULL) 21628691Scharnier err(1, "%s", argv[0]); 2171590Srgrimes if (idx) 2181590Srgrimes printf("'ta 4i 4.25i 5.5iR\n'in .5i\n"); 2191590Srgrimes fname = argv[0]; 2201590Srgrimes argc--, argv++; 2211590Srgrimes } 2221590Srgrimes rest: 2231590Srgrimes 2241590Srgrimes /* 2251590Srgrimes * get the language definition from the defs file 2261590Srgrimes */ 2271590Srgrimes i = cgetent(&defs, defsfile, language); 2281590Srgrimes if (i == -1) { 2291590Srgrimes fprintf (stderr, "no entry for language %s\n", language); 2301590Srgrimes exit (0); 2318874Srgrimes } else if (i == -2) { fprintf(stderr, 2321590Srgrimes "cannot find vgrindefs file %s\n", defsfile[0]); 2331590Srgrimes exit (0); 2348874Srgrimes } else if (i == -3) { fprintf(stderr, 2358874Srgrimes "potential reference loop detected in vgrindefs file %s\n", 2368874Srgrimes defsfile[0]); 2371590Srgrimes exit(0); 2381590Srgrimes } 2391590Srgrimes if (cgetustr(defs, "kw", &cp) == -1) 2401590Srgrimes nokeyw = TRUE; 2411590Srgrimes else { 2421590Srgrimes char **cpp; 2431590Srgrimes 2441590Srgrimes cpp = l_keywds; 2451590Srgrimes while (*cp) { 2461590Srgrimes while (*cp == ' ' || *cp =='\t') 24729574Sphk *cp++ = '\0'; 2481590Srgrimes if (*cp) 2491590Srgrimes *cpp++ = cp; 2501590Srgrimes while (*cp != ' ' && *cp != '\t' && *cp) 2511590Srgrimes cp++; 2521590Srgrimes } 2531590Srgrimes *cpp = NIL; 2541590Srgrimes } 2551590Srgrimes cgetustr(defs, "pb", &cp); 2561590Srgrimes l_prcbeg = convexp(cp); 2571590Srgrimes cgetustr(defs, "cb", &cp); 2581590Srgrimes l_combeg = convexp(cp); 2591590Srgrimes cgetustr(defs, "ce", &cp); 2601590Srgrimes l_comend = convexp(cp); 2611590Srgrimes cgetustr(defs, "ab", &cp); 2621590Srgrimes l_acmbeg = convexp(cp); 2631590Srgrimes cgetustr(defs, "ae", &cp); 2641590Srgrimes l_acmend = convexp(cp); 2651590Srgrimes cgetustr(defs, "sb", &cp); 2661590Srgrimes l_strbeg = convexp(cp); 2671590Srgrimes cgetustr(defs, "se", &cp); 2681590Srgrimes l_strend = convexp(cp); 2691590Srgrimes cgetustr(defs, "bb", &cp); 2701590Srgrimes l_blkbeg = convexp(cp); 2711590Srgrimes cgetustr(defs, "be", &cp); 2721590Srgrimes l_blkend = convexp(cp); 2731590Srgrimes cgetustr(defs, "lb", &cp); 2741590Srgrimes l_chrbeg = convexp(cp); 2751590Srgrimes cgetustr(defs, "le", &cp); 2761590Srgrimes l_chrend = convexp(cp); 27719097Sjoerg if (cgetustr(defs, "nc", &cp) >= 0) 27819097Sjoerg l_nocom = convexp(cp); 2791590Srgrimes l_escape = '\\'; 2801590Srgrimes l_onecase = (cgetcap(defs, "oc", ':') != NULL); 2811590Srgrimes l_toplex = (cgetcap(defs, "tl", ':') != NULL); 2821590Srgrimes 2831590Srgrimes /* initialize the program */ 2841590Srgrimes 2851590Srgrimes incomm = FALSE; 2861590Srgrimes instr = FALSE; 2871590Srgrimes inchr = FALSE; 2881590Srgrimes _escaped = FALSE; 2891590Srgrimes blklevel = 0; 2901590Srgrimes for (psptr=0; psptr<PSMAX; psptr++) { 29129574Sphk pstack[psptr][0] = '\0'; 2921590Srgrimes plstack[psptr] = 0; 2931590Srgrimes } 2941590Srgrimes psptr = -1; 2951590Srgrimes ps("'-F\n"); 2961590Srgrimes if (!filter) { 2971590Srgrimes printf(".ds =F %s\n", fname); 2981590Srgrimes ps("'wh 0 vH\n"); 2991590Srgrimes ps("'wh -1i vF\n"); 3001590Srgrimes } 3011590Srgrimes if (needbp) { 3021590Srgrimes needbp = 0; 3031590Srgrimes printf(".()\n"); 3041590Srgrimes printf(".bp\n"); 3051590Srgrimes } 3061590Srgrimes if (!filter) { 3071590Srgrimes fstat(fileno(stdin), &stbuf); 3081590Srgrimes cp = ctime(&stbuf.st_mtime); 3091590Srgrimes cp[16] = '\0'; 3101590Srgrimes cp[24] = '\0'; 3111590Srgrimes printf(".ds =M %s %s\n", cp+4, cp+20); 3121590Srgrimes } 3131590Srgrimes 3141590Srgrimes /* 3151590Srgrimes * MAIN LOOP!!! 3161590Srgrimes */ 3171590Srgrimes while (fgets(buf, sizeof buf, stdin) != NULL) { 3181590Srgrimes if (buf[0] == '\f') { 3191590Srgrimes printf(".bp\n"); 3201590Srgrimes } 3211590Srgrimes if (buf[0] == '.') { 3221590Srgrimes printf("%s", buf); 3231590Srgrimes if (!strncmp (buf+1, "vS", 2)) 3241590Srgrimes pass = TRUE; 3251590Srgrimes if (!strncmp (buf+1, "vE", 2)) 3261590Srgrimes pass = FALSE; 3271590Srgrimes continue; 3281590Srgrimes } 3291590Srgrimes prccont = FALSE; 3301590Srgrimes if (!filter || pass) 3311590Srgrimes putScp(buf); 3321590Srgrimes else 3331590Srgrimes printf("%s", buf); 3341590Srgrimes if (prccont && (psptr >= 0)) { 3351590Srgrimes ps("'FC "); 3361590Srgrimes ps(pstack[psptr]); 3371590Srgrimes ps("\n"); 3381590Srgrimes } 3391590Srgrimes#ifdef DEBUG 3401590Srgrimes printf ("com %o str %o chr %o ptr %d\n", incomm, instr, inchr, psptr); 3411590Srgrimes#endif 3421590Srgrimes margin = 0; 3431590Srgrimes } 3441590Srgrimes needbp = 1; 3451590Srgrimes } while (argc > 0); 3461590Srgrimes exit(0); 3471590Srgrimes} 3481590Srgrimes 3491590Srgrimes#define isidchr(c) (isalnum(c) || (c) == '_') 3501590Srgrimes 3511590Srgrimesstatic void 3521590SrgrimesputScp(os) 3531590Srgrimes char *os; 3541590Srgrimes{ 3551590Srgrimes register char *s = os; /* pointer to unmatched string */ 3561590Srgrimes char dummy[BUFSIZ]; /* dummy to be used by expmatch */ 3571590Srgrimes char *comptr; /* end of a comment delimiter */ 3581590Srgrimes char *acmptr; /* end of a comment delimiter */ 3591590Srgrimes char *strptr; /* end of a string delimiter */ 3601590Srgrimes char *chrptr; /* end of a character const delimiter */ 3611590Srgrimes char *blksptr; /* end of a lexical block start */ 3621590Srgrimes char *blkeptr; /* end of a lexical block end */ 36319012Sjoerg char *nocomptr; /* end of a non-comment delimiter */ 3641590Srgrimes 36536053Sjb s_start = os; /* remember the start for expmatch */ 3661590Srgrimes _escaped = FALSE; 3671590Srgrimes if (nokeyw || incomm || instr) 3681590Srgrimes goto skip; 3691590Srgrimes if (isproc(s)) { 3701590Srgrimes ps("'FN "); 3711590Srgrimes ps(pname); 3721590Srgrimes ps("\n"); 3731590Srgrimes if (psptr < PSMAX) { 3741590Srgrimes ++psptr; 3751590Srgrimes strncpy (pstack[psptr], pname, PNAMELEN); 37624543Sjmg pstack[psptr][PNAMELEN] = '\0'; 3771590Srgrimes plstack[psptr] = blklevel; 3781590Srgrimes } 3798874Srgrimes } 3801590Srgrimesskip: 3811590Srgrimes do { 3821590Srgrimes /* check for string, comment, blockstart, etc */ 3831590Srgrimes if (!incomm && !instr && !inchr) { 3841590Srgrimes 3851590Srgrimes blkeptr = expmatch (s, l_blkend, dummy); 3861590Srgrimes blksptr = expmatch (s, l_blkbeg, dummy); 3871590Srgrimes comptr = expmatch (s, l_combeg, dummy); 3881590Srgrimes acmptr = expmatch (s, l_acmbeg, dummy); 3891590Srgrimes strptr = expmatch (s, l_strbeg, dummy); 3901590Srgrimes chrptr = expmatch (s, l_chrbeg, dummy); 39119012Sjoerg nocomptr = expmatch (s, l_nocom, dummy); 3921590Srgrimes 39319012Sjoerg /* start of non-comment? */ 39419012Sjoerg if (nocomptr != NIL) 39519012Sjoerg if ((nocomptr <= comptr || comptr == NIL) 39619012Sjoerg && (nocomptr <= acmptr || acmptr == NIL)) { 39719012Sjoerg /* continue after non-comment */ 39819012Sjoerg putKcp (s, nocomptr-1, FALSE); 39919012Sjoerg s = nocomptr; 40019012Sjoerg continue; 40119012Sjoerg } 40219012Sjoerg 4031590Srgrimes /* start of a comment? */ 4041590Srgrimes if (comptr != NIL) 4051590Srgrimes if ((comptr < strptr || strptr == NIL) 4061590Srgrimes && (comptr < acmptr || acmptr == NIL) 4071590Srgrimes && (comptr < chrptr || chrptr == NIL) 4081590Srgrimes && (comptr < blksptr || blksptr == NIL) 4091590Srgrimes && (comptr < blkeptr || blkeptr == NIL)) { 4101590Srgrimes putKcp (s, comptr-1, FALSE); 4111590Srgrimes s = comptr; 4121590Srgrimes incomm = TRUE; 4131590Srgrimes comtype = STANDARD; 4141590Srgrimes if (s != os) 4151590Srgrimes ps ("\\c"); 4161590Srgrimes ps ("\\c\n'+C\n"); 4171590Srgrimes continue; 4181590Srgrimes } 4191590Srgrimes 4201590Srgrimes /* start of a comment? */ 4211590Srgrimes if (acmptr != NIL) 4221590Srgrimes if ((acmptr < strptr || strptr == NIL) 4231590Srgrimes && (acmptr < chrptr || chrptr == NIL) 4241590Srgrimes && (acmptr < blksptr || blksptr == NIL) 4251590Srgrimes && (acmptr < blkeptr || blkeptr == NIL)) { 4261590Srgrimes putKcp (s, acmptr-1, FALSE); 4271590Srgrimes s = acmptr; 4281590Srgrimes incomm = TRUE; 4291590Srgrimes comtype = ALTERNATE; 4301590Srgrimes if (s != os) 4311590Srgrimes ps ("\\c"); 4321590Srgrimes ps ("\\c\n'+C\n"); 4331590Srgrimes continue; 4341590Srgrimes } 4351590Srgrimes 4361590Srgrimes /* start of a string? */ 4371590Srgrimes if (strptr != NIL) 4381590Srgrimes if ((strptr < chrptr || chrptr == NIL) 4391590Srgrimes && (strptr < blksptr || blksptr == NIL) 4401590Srgrimes && (strptr < blkeptr || blkeptr == NIL)) { 4411590Srgrimes putKcp (s, strptr-1, FALSE); 4421590Srgrimes s = strptr; 4431590Srgrimes instr = TRUE; 4441590Srgrimes continue; 4451590Srgrimes } 4461590Srgrimes 4471590Srgrimes /* start of a character string? */ 4481590Srgrimes if (chrptr != NIL) 4491590Srgrimes if ((chrptr < blksptr || blksptr == NIL) 4501590Srgrimes && (chrptr < blkeptr || blkeptr == NIL)) { 4511590Srgrimes putKcp (s, chrptr-1, FALSE); 4521590Srgrimes s = chrptr; 4531590Srgrimes inchr = TRUE; 4541590Srgrimes continue; 4551590Srgrimes } 4561590Srgrimes 4571590Srgrimes /* end of a lexical block */ 4581590Srgrimes if (blkeptr != NIL) { 4591590Srgrimes if (blkeptr < blksptr || blksptr == NIL) { 4601590Srgrimes putKcp (s, blkeptr - 1, FALSE); 4611590Srgrimes s = blkeptr; 46219012Sjoerg if (blklevel > 0 /* sanity */) 46319012Sjoerg blklevel--; 4641590Srgrimes if (psptr >= 0 && plstack[psptr] >= blklevel) { 4651590Srgrimes 4661590Srgrimes /* end of current procedure */ 4671590Srgrimes if (s != os) 4681590Srgrimes ps ("\\c"); 4691590Srgrimes ps ("\\c\n'-F\n"); 4701590Srgrimes blklevel = plstack[psptr]; 4711590Srgrimes 4721590Srgrimes /* see if we should print the last proc name */ 4731590Srgrimes if (--psptr >= 0) 4741590Srgrimes prccont = TRUE; 4751590Srgrimes else 4761590Srgrimes psptr = -1; 4771590Srgrimes } 4781590Srgrimes continue; 4791590Srgrimes } 4801590Srgrimes } 4811590Srgrimes 4821590Srgrimes /* start of a lexical block */ 4831590Srgrimes if (blksptr != NIL) { 4841590Srgrimes putKcp (s, blksptr - 1, FALSE); 4851590Srgrimes s = blksptr; 4861590Srgrimes blklevel++; 4871590Srgrimes continue; 4881590Srgrimes } 4891590Srgrimes 4901590Srgrimes /* check for end of comment */ 4911590Srgrimes } else if (incomm) { 4921590Srgrimes comptr = expmatch (s, l_comend, dummy); 4931590Srgrimes acmptr = expmatch (s, l_acmend, dummy); 4941590Srgrimes if (((comtype == STANDARD) && (comptr != NIL)) || 4951590Srgrimes ((comtype == ALTERNATE) && (acmptr != NIL))) { 4961590Srgrimes if (comtype == STANDARD) { 4971590Srgrimes putKcp (s, comptr-1, TRUE); 4981590Srgrimes s = comptr; 4991590Srgrimes } else { 5001590Srgrimes putKcp (s, acmptr-1, TRUE); 5011590Srgrimes s = acmptr; 5021590Srgrimes } 5031590Srgrimes incomm = FALSE; 5041590Srgrimes ps("\\c\n'-C\n"); 5051590Srgrimes continue; 5061590Srgrimes } else { 5071590Srgrimes putKcp (s, s + strlen(s) -1, TRUE); 5081590Srgrimes s = s + strlen(s); 5091590Srgrimes continue; 5101590Srgrimes } 5111590Srgrimes 5121590Srgrimes /* check for end of string */ 5131590Srgrimes } else if (instr) { 5141590Srgrimes if ((strptr = expmatch (s, l_strend, dummy)) != NIL) { 5151590Srgrimes putKcp (s, strptr-1, TRUE); 5161590Srgrimes s = strptr; 5171590Srgrimes instr = FALSE; 5181590Srgrimes continue; 5191590Srgrimes } else { 5201590Srgrimes putKcp (s, s+strlen(s)-1, TRUE); 5211590Srgrimes s = s + strlen(s); 5221590Srgrimes continue; 5231590Srgrimes } 5241590Srgrimes 5251590Srgrimes /* check for end of character string */ 5261590Srgrimes } else if (inchr) { 5271590Srgrimes if ((chrptr = expmatch (s, l_chrend, dummy)) != NIL) { 5281590Srgrimes putKcp (s, chrptr-1, TRUE); 5291590Srgrimes s = chrptr; 5301590Srgrimes inchr = FALSE; 5311590Srgrimes continue; 5321590Srgrimes } else { 5331590Srgrimes putKcp (s, s+strlen(s)-1, TRUE); 5341590Srgrimes s = s + strlen(s); 5351590Srgrimes continue; 5361590Srgrimes } 5371590Srgrimes } 5381590Srgrimes 5391590Srgrimes /* print out the line */ 5401590Srgrimes putKcp (s, s + strlen(s) -1, FALSE); 5411590Srgrimes s = s + strlen(s); 5421590Srgrimes } while (*s); 5431590Srgrimes} 5441590Srgrimes 5451590Srgrimesstatic void 5461590SrgrimesputKcp (start, end, force) 5471590Srgrimes char *start; /* start of string to write */ 5481590Srgrimes char *end; /* end of string to write */ 5491590Srgrimes boolean force; /* true if we should force nokeyw */ 5501590Srgrimes{ 5511590Srgrimes int i; 5521590Srgrimes int xfld = 0; 5531590Srgrimes 5541590Srgrimes while (start <= end) { 5551590Srgrimes if (idx) { 5561590Srgrimes if (*start == ' ' || *start == '\t') { 5578874Srgrimes if (xfld == 0) 5581798Sphk printf("\001"); 5591590Srgrimes printf("\t"); 5601590Srgrimes xfld = 1; 5611590Srgrimes while (*start == ' ' || *start == '\t') 5621590Srgrimes start++; 5631590Srgrimes continue; 5641590Srgrimes } 5651590Srgrimes } 5661590Srgrimes 5671590Srgrimes /* take care of nice tab stops */ 5681590Srgrimes if (*start == '\t') { 5691590Srgrimes while (*start == '\t') 5701590Srgrimes start++; 57136053Sjb i = tabs(s_start, start) - margin / 8; 5721590Srgrimes printf("\\h'|%dn'", i * 10 + 1 - margin % 8); 5731590Srgrimes continue; 5741590Srgrimes } 5751590Srgrimes 5761590Srgrimes if (!nokeyw && !force) 5778874Srgrimes if ((*start == '#' || isidchr(*start)) 57836053Sjb && (start == s_start || !isidchr(start[-1]))) { 5791590Srgrimes i = iskw(start); 5801590Srgrimes if (i > 0) { 5811590Srgrimes ps("\\*(+K"); 5828874Srgrimes do 58318164Sjoerg putcp((unsigned char)*start++); 5841590Srgrimes while (--i > 0); 5851590Srgrimes ps("\\*(-K"); 5861590Srgrimes continue; 5871590Srgrimes } 5881590Srgrimes } 5891590Srgrimes 59018164Sjoerg putcp ((unsigned char)*start++); 5911590Srgrimes } 5921590Srgrimes} 5931590Srgrimes 5941590Srgrimes 5951590Srgrimesstatic int 5961590Srgrimestabs(s, os) 5971590Srgrimes char *s, *os; 5981590Srgrimes{ 5991590Srgrimes 6001590Srgrimes return (width(s, os) / 8); 6011590Srgrimes} 6021590Srgrimes 6031590Srgrimesstatic int 6041590Srgrimeswidth(s, os) 6051590Srgrimes register char *s, *os; 6061590Srgrimes{ 6071590Srgrimes register int i = 0; 6081590Srgrimes 6091590Srgrimes while (s < os) { 6101590Srgrimes if (*s == '\t') { 6111590Srgrimes i = (i + 8) &~ 7; 6121590Srgrimes s++; 6131590Srgrimes continue; 6141590Srgrimes } 6151590Srgrimes if (*s < ' ') 6161590Srgrimes i += 2; 6171590Srgrimes else 6181590Srgrimes i++; 6191590Srgrimes s++; 6201590Srgrimes } 6211590Srgrimes return (i); 6221590Srgrimes} 6231590Srgrimes 6241590Srgrimesstatic void 6251590Srgrimesputcp(c) 6261590Srgrimes register int c; 6271590Srgrimes{ 6281590Srgrimes 6291590Srgrimes switch(c) { 6301590Srgrimes 6311590Srgrimes case 0: 6321590Srgrimes break; 6331590Srgrimes 6341590Srgrimes case '\f': 6351590Srgrimes break; 6361590Srgrimes 63719012Sjoerg case '\r': 63819012Sjoerg break; 63919012Sjoerg 6401590Srgrimes case '{': 6411590Srgrimes ps("\\*(+K{\\*(-K"); 6421590Srgrimes break; 6431590Srgrimes 6441590Srgrimes case '}': 6451590Srgrimes ps("\\*(+K}\\*(-K"); 6461590Srgrimes break; 6471590Srgrimes 6481590Srgrimes case '\\': 6491590Srgrimes ps("\\e"); 6501590Srgrimes break; 6511590Srgrimes 6521590Srgrimes case '_': 6531590Srgrimes ps("\\*_"); 6541590Srgrimes break; 6551590Srgrimes 6561590Srgrimes case '-': 6571590Srgrimes ps("\\*-"); 6581590Srgrimes break; 6591590Srgrimes 6601590Srgrimes case '`': 6611590Srgrimes ps("\\`"); 6621590Srgrimes break; 6631590Srgrimes 6641590Srgrimes case '\'': 6651590Srgrimes ps("\\'"); 6661590Srgrimes break; 6671590Srgrimes 6681590Srgrimes case '.': 6691590Srgrimes ps("\\&."); 6701590Srgrimes break; 6711590Srgrimes 6721590Srgrimes case '*': 6731590Srgrimes ps("\\fI*\\fP"); 6741590Srgrimes break; 6751590Srgrimes 6761590Srgrimes case '/': 6771590Srgrimes ps("\\fI\\h'\\w' 'u-\\w'/'u'/\\fP"); 6781590Srgrimes break; 6791590Srgrimes 6801590Srgrimes default: 6811590Srgrimes if (c < 040) 6821590Srgrimes putchar('^'), c |= '@'; 6831590Srgrimes case '\t': 6841590Srgrimes case '\n': 6851590Srgrimes putchar(c); 6861590Srgrimes } 6871590Srgrimes} 6881590Srgrimes 6891590Srgrimes/* 6901590Srgrimes * look for a process beginning on this line 6911590Srgrimes */ 6921590Srgrimesstatic boolean 6931590Srgrimesisproc(s) 6941590Srgrimes char *s; 6951590Srgrimes{ 69629574Sphk pname[0] = '\0'; 6971590Srgrimes if (!l_toplex || blklevel == 0) 6981590Srgrimes if (expmatch (s, l_prcbeg, pname) != NIL) { 6991590Srgrimes return (TRUE); 7001590Srgrimes } 7011590Srgrimes return (FALSE); 7021590Srgrimes} 7031590Srgrimes 7041590Srgrimes 7051590Srgrimes/* iskw - check to see if the next word is a keyword 7061590Srgrimes */ 7071590Srgrimes 7081590Srgrimesstatic int 7091590Srgrimesiskw(s) 7101590Srgrimes register char *s; 7111590Srgrimes{ 7121590Srgrimes register char **ss = l_keywds; 7131590Srgrimes register int i = 1; 7141590Srgrimes register char *cp = s; 7151590Srgrimes 7161590Srgrimes while (++cp, isidchr(*cp)) 7171590Srgrimes i++; 71887693Smarkm while ((cp = *ss++)) 7191590Srgrimes if (!STRNCMP(s,cp,i) && !isidchr(cp[i])) 7201590Srgrimes return (i); 7211590Srgrimes return (0); 7221590Srgrimes} 7231590Srgrimes 724