1994-05-27 12:33:43 +00:00
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/*
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* Copyright (c) 1987, 1993, 1994
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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2001-12-10 21:13:08 +00:00
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#if 0
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1994-05-27 12:33:43 +00:00
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#ifndef lint
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2001-12-10 21:13:08 +00:00
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static char sccsid[] = "@(#)fortran.c 8.3 (Berkeley) 4/2/94";
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2001-08-16 16:16:07 +00:00
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#endif
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2001-12-10 21:13:08 +00:00
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#endif
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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1994-05-27 12:33:43 +00:00
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#include <ctype.h>
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#include <limits.h>
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#include <stdio.h>
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2002-02-08 03:01:03 +00:00
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#include <string.h>
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1994-05-27 12:33:43 +00:00
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#include "ctags.h"
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2002-03-22 01:22:50 +00:00
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static void takeprec(void);
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1994-05-27 12:33:43 +00:00
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char *lbp; /* line buffer pointer */
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int
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PF_funcs()
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{
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bool pfcnt; /* pascal/fortran functions found */
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char *cp;
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char tok[MAXTOKEN];
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for (pfcnt = NO;;) {
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lineftell = ftell(inf);
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if (!fgets(lbuf, sizeof(lbuf), inf))
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return (pfcnt);
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++lineno;
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lbp = lbuf;
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if (*lbp == '%') /* Ratfor escape to fortran */
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++lbp;
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for (; isspace(*lbp); ++lbp)
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continue;
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if (!*lbp)
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continue;
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switch (*lbp | ' ') { /* convert to lower-case */
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case 'c':
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if (cicmp("complex") || cicmp("character"))
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takeprec();
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break;
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case 'd':
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if (cicmp("double")) {
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for (; isspace(*lbp); ++lbp)
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continue;
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if (!*lbp)
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continue;
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if (cicmp("precision"))
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break;
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continue;
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}
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break;
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case 'i':
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if (cicmp("integer"))
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takeprec();
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break;
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case 'l':
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if (cicmp("logical"))
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takeprec();
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break;
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case 'r':
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if (cicmp("real"))
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takeprec();
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break;
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}
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for (; isspace(*lbp); ++lbp)
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continue;
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if (!*lbp)
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continue;
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switch (*lbp | ' ') {
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case 'f':
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if (cicmp("function"))
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break;
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continue;
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case 'p':
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if (cicmp("program") || cicmp("procedure"))
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break;
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continue;
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case 's':
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if (cicmp("subroutine"))
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break;
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default:
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continue;
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}
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for (; isspace(*lbp); ++lbp)
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continue;
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if (!*lbp)
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continue;
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for (cp = lbp + 1; *cp && intoken(*cp); ++cp)
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continue;
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1997-12-29 00:09:06 +00:00
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if ((cp = lbp + 1))
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1994-05-27 12:33:43 +00:00
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continue;
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*cp = EOS;
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2002-05-30 10:54:53 +00:00
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(void)strlcpy(tok, lbp, sizeof(tok)); /* possible trunc */
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1994-05-27 12:33:43 +00:00
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getline(); /* process line for ex(1) */
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pfnote(tok, lineno);
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pfcnt = YES;
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}
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/*NOTREACHED*/
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}
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/*
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* cicmp --
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* do case-independent strcmp
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*/
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int
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2002-07-28 15:50:38 +00:00
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cicmp(const char *cp)
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1994-05-27 12:33:43 +00:00
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{
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int len;
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char *bp;
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for (len = 0, bp = lbp; *cp && (*cp &~ ' ') == (*bp++ &~ ' ');
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++cp, ++len)
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continue;
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if (!*cp) {
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lbp += len;
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return (YES);
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}
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return (NO);
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}
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static void
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2002-07-28 15:50:38 +00:00
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takeprec(void)
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1994-05-27 12:33:43 +00:00
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{
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for (; isspace(*lbp); ++lbp)
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continue;
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if (*lbp == '*') {
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for (++lbp; isspace(*lbp); ++lbp)
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continue;
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if (!isdigit(*lbp))
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--lbp; /* force failure */
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else
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while (isdigit(*++lbp))
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continue;
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}
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}
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