diff options
Diffstat (limited to 'usr.bin/vgrind/vfontedpr.c')
-rw-r--r-- | usr.bin/vgrind/vfontedpr.c | 705 |
1 files changed, 0 insertions, 705 deletions
diff --git a/usr.bin/vgrind/vfontedpr.c b/usr.bin/vgrind/vfontedpr.c deleted file mode 100644 index 6e9d3fe..0000000 --- a/usr.bin/vgrind/vfontedpr.c +++ /dev/null @@ -1,705 +0,0 @@ -/* - * Copyright (c) 1980, 1993 - * The Regents of the University of California. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by the University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#ifndef lint -static char copyright[] = -"@(#) Copyright (c) 1980, 1993\n\ - The Regents of the University of California. All rights reserved.\n"; -#endif /* not lint */ - -#ifndef lint -static char sccsid[] = "@(#)vfontedpr.c 8.1 (Berkeley) 6/6/93"; -#endif /* not lint */ - -#include <sys/types.h> -#include <sys/stat.h> -#include <time.h> -#include <ctype.h> -#include <stdlib.h> -#include <string.h> -#include <stdio.h> -#include "pathnames.h" -#include "extern.h" - -#define FALSE 0 -#define TRUE !(FALSE) -#define NIL 0 -#define STANDARD 0 -#define ALTERNATE 1 - -/* - * Vfontedpr. - * - * Dave Presotto 1/12/81 (adapted from an earlier version by Bill Joy) - * - */ - -#define STRLEN 10 /* length of strings introducing things */ -#define PNAMELEN 40 /* length of a function/procedure name */ -#define PSMAX 20 /* size of procedure name stacking */ - -static int iskw __P((char *)); -static boolean isproc __P((char *)); -static void putKcp __P((char *, char *, boolean)); -static void putScp __P((char *)); -static void putcp __P((int)); -static int tabs __P((char *, char *)); -static int width __P((char *, char *)); - -/* - * The state variables - */ - -static boolean filter = FALSE; /* act as a filter (like eqn) */ -static boolean inchr; /* in a string constant */ -static boolean incomm; /* in a comment of the primary type */ -static boolean idx = FALSE; /* form an index */ -static boolean instr; /* in a string constant */ -static boolean nokeyw = FALSE; /* no keywords being flagged */ -static boolean pass = FALSE; /* - * when acting as a filter, pass indicates - * whether we are currently processing - * input. - */ - -static int blklevel; /* current nesting level */ -static int comtype; /* type of comment */ -static char *defsfile[2] = { _PATH_VGRINDEFS, 0 }; - /* name of language definitions file */ -static int margin; -static int plstack[PSMAX]; /* the procedure nesting level stack */ -static char pname[BUFSIZ+1]; -static boolean prccont; /* continue last procedure */ -static int psptr; /* the stack index of the current procedure */ -static char pstack[PSMAX][PNAMELEN+1]; /* the procedure name stack */ - -/* - * The language specific globals - */ - -char *l_acmbeg; /* string introducing a comment */ -char *l_acmend; /* string ending a comment */ -char *l_blkbeg; /* string begining of a block */ -char *l_blkend; /* string ending a block */ -char *l_chrbeg; /* delimiter for character constant */ -char *l_chrend; /* delimiter for character constant */ -char *l_combeg; /* string introducing a comment */ -char *l_comend; /* string ending a comment */ -char l_escape; /* character used to escape characters */ -char *l_keywds[BUFSIZ/2]; /* keyword table address */ -char *l_prcbeg; /* regular expr for procedure begin */ -char *l_strbeg; /* delimiter for string constant */ -char *l_strend; /* delimiter for string constant */ -boolean l_toplex; /* procedures only defined at top lex level */ -char *language = "c"; /* the language indicator */ - -#define ps(x) printf("%s", x) - -void -main(argc, argv) - int argc; - char *argv[]; -{ - char *fname = ""; - struct stat stbuf; - char buf[BUFSIZ]; - char *defs; - int needbp = 0; - - argc--, argv++; - do { - char *cp; - int i; - - if (argc > 0) { - if (!strcmp(argv[0], "-h")) { - if (argc == 1) { - printf("'ds =H\n"); - argc = 0; - goto rest; - } - printf("'ds =H %s\n", argv[1]); - argc--, argv++; - argc--, argv++; - if (argc > 0) - continue; - goto rest; - } - - /* act as a filter like eqn */ - if (!strcmp(argv[0], "-f")) { - filter++; - argv[0] = argv[argc-1]; - argv[argc-1] = "-"; - continue; - } - - /* take input from the standard place */ - if (!strcmp(argv[0], "-")) { - argc = 0; - goto rest; - } - - /* build an index */ - if (!strcmp(argv[0], "-x")) { - idx++; - argv[0] = "-n"; - } - - /* indicate no keywords */ - if (!strcmp(argv[0], "-n")) { - nokeyw++; - argc--, argv++; - continue; - } - - /* specify the font size */ - if (!strncmp(argv[0], "-s", 2)) { - i = 0; - cp = argv[0] + 2; - while (*cp) - i = i * 10 + (*cp++ - '0'); - printf("'ps %d\n'vs %d\n", i, i+1); - argc--, argv++; - continue; - } - - /* specify the language */ - if (!strncmp(argv[0], "-l", 2)) { - language = argv[0]+2; - argc--, argv++; - continue; - } - - /* specify the language description file */ - if (!strncmp(argv[0], "-d", 2)) { - defsfile[0] = argv[1]; - argc--, argv++; - argc--, argv++; - continue; - } - - /* open the file for input */ - if (freopen(argv[0], "r", stdin) == NULL) { - perror(argv[0]); - exit(1); - } - if (idx) - printf("'ta 4i 4.25i 5.5iR\n'in .5i\n"); - fname = argv[0]; - argc--, argv++; - } - rest: - - /* - * get the language definition from the defs file - */ - i = cgetent(&defs, defsfile, language); - if (i == -1) { - fprintf (stderr, "no entry for language %s\n", language); - exit (0); - } else if (i == -2) { fprintf(stderr, - "cannot find vgrindefs file %s\n", defsfile[0]); - exit (0); - } else if (i == -3) { fprintf(stderr, - "potential reference loop detected in vgrindefs file %s\n", - defsfile[0]); - exit(0); - } - if (cgetustr(defs, "kw", &cp) == -1) - nokeyw = TRUE; - else { - char **cpp; - - cpp = l_keywds; - while (*cp) { - while (*cp == ' ' || *cp =='\t') - *cp++ = NULL; - if (*cp) - *cpp++ = cp; - while (*cp != ' ' && *cp != '\t' && *cp) - cp++; - } - *cpp = NIL; - } - cgetustr(defs, "pb", &cp); - l_prcbeg = convexp(cp); - cgetustr(defs, "cb", &cp); - l_combeg = convexp(cp); - cgetustr(defs, "ce", &cp); - l_comend = convexp(cp); - cgetustr(defs, "ab", &cp); - l_acmbeg = convexp(cp); - cgetustr(defs, "ae", &cp); - l_acmend = convexp(cp); - cgetustr(defs, "sb", &cp); - l_strbeg = convexp(cp); - cgetustr(defs, "se", &cp); - l_strend = convexp(cp); - cgetustr(defs, "bb", &cp); - l_blkbeg = convexp(cp); - cgetustr(defs, "be", &cp); - l_blkend = convexp(cp); - cgetustr(defs, "lb", &cp); - l_chrbeg = convexp(cp); - cgetustr(defs, "le", &cp); - l_chrend = convexp(cp); - l_escape = '\\'; - l_onecase = (cgetcap(defs, "oc", ':') != NULL); - l_toplex = (cgetcap(defs, "tl", ':') != NULL); - - /* initialize the program */ - - incomm = FALSE; - instr = FALSE; - inchr = FALSE; - _escaped = FALSE; - blklevel = 0; - for (psptr=0; psptr<PSMAX; psptr++) { - pstack[psptr][0] = NULL; - plstack[psptr] = 0; - } - psptr = -1; - ps("'-F\n"); - if (!filter) { - printf(".ds =F %s\n", fname); - ps("'wh 0 vH\n"); - ps("'wh -1i vF\n"); - } - if (needbp) { - needbp = 0; - printf(".()\n"); - printf(".bp\n"); - } - if (!filter) { - fstat(fileno(stdin), &stbuf); - cp = ctime(&stbuf.st_mtime); - cp[16] = '\0'; - cp[24] = '\0'; - printf(".ds =M %s %s\n", cp+4, cp+20); - } - - /* - * MAIN LOOP!!! - */ - while (fgets(buf, sizeof buf, stdin) != NULL) { - if (buf[0] == '\f') { - printf(".bp\n"); - } - if (buf[0] == '.') { - printf("%s", buf); - if (!strncmp (buf+1, "vS", 2)) - pass = TRUE; - if (!strncmp (buf+1, "vE", 2)) - pass = FALSE; - continue; - } - prccont = FALSE; - if (!filter || pass) - putScp(buf); - else - printf("%s", buf); - if (prccont && (psptr >= 0)) { - ps("'FC "); - ps(pstack[psptr]); - ps("\n"); - } -#ifdef DEBUG - printf ("com %o str %o chr %o ptr %d\n", incomm, instr, inchr, psptr); -#endif - margin = 0; - } - needbp = 1; - } while (argc > 0); - exit(0); -} - -#define isidchr(c) (isalnum(c) || (c) == '_') - -static void -putScp(os) - char *os; -{ - register char *s = os; /* pointer to unmatched string */ - char dummy[BUFSIZ]; /* dummy to be used by expmatch */ - char *comptr; /* end of a comment delimiter */ - char *acmptr; /* end of a comment delimiter */ - char *strptr; /* end of a string delimiter */ - char *chrptr; /* end of a character const delimiter */ - char *blksptr; /* end of a lexical block start */ - char *blkeptr; /* end of a lexical block end */ - - _start = os; /* remember the start for expmatch */ - _escaped = FALSE; - if (nokeyw || incomm || instr) - goto skip; - if (isproc(s)) { - ps("'FN "); - ps(pname); - ps("\n"); - if (psptr < PSMAX) { - ++psptr; - strncpy (pstack[psptr], pname, PNAMELEN); - pstack[psptr][PNAMELEN] = NULL; - plstack[psptr] = blklevel; - } - } -skip: - do { - /* check for string, comment, blockstart, etc */ - if (!incomm && !instr && !inchr) { - - blkeptr = expmatch (s, l_blkend, dummy); - blksptr = expmatch (s, l_blkbeg, dummy); - comptr = expmatch (s, l_combeg, dummy); - acmptr = expmatch (s, l_acmbeg, dummy); - strptr = expmatch (s, l_strbeg, dummy); - chrptr = expmatch (s, l_chrbeg, dummy); - - /* start of a comment? */ - if (comptr != NIL) - if ((comptr < strptr || strptr == NIL) - && (comptr < acmptr || acmptr == NIL) - && (comptr < chrptr || chrptr == NIL) - && (comptr < blksptr || blksptr == NIL) - && (comptr < blkeptr || blkeptr == NIL)) { - putKcp (s, comptr-1, FALSE); - s = comptr; - incomm = TRUE; - comtype = STANDARD; - if (s != os) - ps ("\\c"); - ps ("\\c\n'+C\n"); - continue; - } - - /* start of a comment? */ - if (acmptr != NIL) - if ((acmptr < strptr || strptr == NIL) - && (acmptr < chrptr || chrptr == NIL) - && (acmptr < blksptr || blksptr == NIL) - && (acmptr < blkeptr || blkeptr == NIL)) { - putKcp (s, acmptr-1, FALSE); - s = acmptr; - incomm = TRUE; - comtype = ALTERNATE; - if (s != os) - ps ("\\c"); - ps ("\\c\n'+C\n"); - continue; - } - - /* start of a string? */ - if (strptr != NIL) - if ((strptr < chrptr || chrptr == NIL) - && (strptr < blksptr || blksptr == NIL) - && (strptr < blkeptr || blkeptr == NIL)) { - putKcp (s, strptr-1, FALSE); - s = strptr; - instr = TRUE; - continue; - } - - /* start of a character string? */ - if (chrptr != NIL) - if ((chrptr < blksptr || blksptr == NIL) - && (chrptr < blkeptr || blkeptr == NIL)) { - putKcp (s, chrptr-1, FALSE); - s = chrptr; - inchr = TRUE; - continue; - } - - /* end of a lexical block */ - if (blkeptr != NIL) { - if (blkeptr < blksptr || blksptr == NIL) { - putKcp (s, blkeptr - 1, FALSE); - s = blkeptr; - blklevel--; - if (psptr >= 0 && plstack[psptr] >= blklevel) { - - /* end of current procedure */ - if (s != os) - ps ("\\c"); - ps ("\\c\n'-F\n"); - blklevel = plstack[psptr]; - - /* see if we should print the last proc name */ - if (--psptr >= 0) - prccont = TRUE; - else - psptr = -1; - } - continue; - } - } - - /* start of a lexical block */ - if (blksptr != NIL) { - putKcp (s, blksptr - 1, FALSE); - s = blksptr; - blklevel++; - continue; - } - - /* check for end of comment */ - } else if (incomm) { - comptr = expmatch (s, l_comend, dummy); - acmptr = expmatch (s, l_acmend, dummy); - if (((comtype == STANDARD) && (comptr != NIL)) || - ((comtype == ALTERNATE) && (acmptr != NIL))) { - if (comtype == STANDARD) { - putKcp (s, comptr-1, TRUE); - s = comptr; - } else { - putKcp (s, acmptr-1, TRUE); - s = acmptr; - } - incomm = FALSE; - ps("\\c\n'-C\n"); - continue; - } else { - putKcp (s, s + strlen(s) -1, TRUE); - s = s + strlen(s); - continue; - } - - /* check for end of string */ - } else if (instr) { - if ((strptr = expmatch (s, l_strend, dummy)) != NIL) { - putKcp (s, strptr-1, TRUE); - s = strptr; - instr = FALSE; - continue; - } else { - putKcp (s, s+strlen(s)-1, TRUE); - s = s + strlen(s); - continue; - } - - /* check for end of character string */ - } else if (inchr) { - if ((chrptr = expmatch (s, l_chrend, dummy)) != NIL) { - putKcp (s, chrptr-1, TRUE); - s = chrptr; - inchr = FALSE; - continue; - } else { - putKcp (s, s+strlen(s)-1, TRUE); - s = s + strlen(s); - continue; - } - } - - /* print out the line */ - putKcp (s, s + strlen(s) -1, FALSE); - s = s + strlen(s); - } while (*s); -} - -static void -putKcp (start, end, force) - char *start; /* start of string to write */ - char *end; /* end of string to write */ - boolean force; /* true if we should force nokeyw */ -{ - int i; - int xfld = 0; - - while (start <= end) { - if (idx) { - if (*start == ' ' || *start == '\t') { - if (xfld == 0) - printf("\001"); - printf("\t"); - xfld = 1; - while (*start == ' ' || *start == '\t') - start++; - continue; - } - } - - /* take care of nice tab stops */ - if (*start == '\t') { - while (*start == '\t') - start++; - i = tabs(_start, start) - margin / 8; - printf("\\h'|%dn'", i * 10 + 1 - margin % 8); - continue; - } - - if (!nokeyw && !force) - if ((*start == '#' || isidchr(*start)) - && (start == _start || !isidchr(start[-1]))) { - i = iskw(start); - if (i > 0) { - ps("\\*(+K"); - do - putcp(*start++); - while (--i > 0); - ps("\\*(-K"); - continue; - } - } - - putcp (*start++); - } -} - - -static int -tabs(s, os) - char *s, *os; -{ - - return (width(s, os) / 8); -} - -static int -width(s, os) - register char *s, *os; -{ - register int i = 0; - - while (s < os) { - if (*s == '\t') { - i = (i + 8) &~ 7; - s++; - continue; - } - if (*s < ' ') - i += 2; - else - i++; - s++; - } - return (i); -} - -static void -putcp(c) - register int c; -{ - - switch(c) { - - case 0: - break; - - case '\f': - break; - - case '{': - ps("\\*(+K{\\*(-K"); - break; - - case '}': - ps("\\*(+K}\\*(-K"); - break; - - case '\\': - ps("\\e"); - break; - - case '_': - ps("\\*_"); - break; - - case '-': - ps("\\*-"); - break; - - case '`': - ps("\\`"); - break; - - case '\'': - ps("\\'"); - break; - - case '.': - ps("\\&."); - break; - - case '*': - ps("\\fI*\\fP"); - break; - - case '/': - ps("\\fI\\h'\\w' 'u-\\w'/'u'/\\fP"); - break; - - default: - if (c < 040) - putchar('^'), c |= '@'; - case '\t': - case '\n': - putchar(c); - } -} - -/* - * look for a process beginning on this line - */ -static boolean -isproc(s) - char *s; -{ - pname[0] = NULL; - if (!l_toplex || blklevel == 0) - if (expmatch (s, l_prcbeg, pname) != NIL) { - return (TRUE); - } - return (FALSE); -} - - -/* iskw - check to see if the next word is a keyword - */ - -static int -iskw(s) - register char *s; -{ - register char **ss = l_keywds; - register int i = 1; - register char *cp = s; - - while (++cp, isidchr(*cp)) - i++; - while (cp = *ss++) - if (!STRNCMP(s,cp,i) && !isidchr(cp[i])) - return (i); - return (0); -} - |