711 lines
16 KiB
C
711 lines
16 KiB
C
/* $NetBSD: vfontedpr.c,v 1.4 1996/03/21 18:08:30 jtc Exp $ */
|
||
|
||
/*
|
||
* 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
|
||
#if 0
|
||
static char sccsid[] = "@(#)vfontedpr.c 8.1 (Berkeley) 6/6/93";
|
||
#endif
|
||
static char rcsid[] = "$NetBSD: vfontedpr.c,v 1.4 1996/03/21 18:08:30 jtc Exp $";
|
||
#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)
|
||
|
||
int
|
||
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("");
|
||
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);
|
||
}
|
||
|