169 lines
4.1 KiB
C
169 lines
4.1 KiB
C
|
/*
|
||
|
* Copyright (c) 1987, 1993, 1994
|
||
|
* 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.
|
||
|
*/
|
||
|
|
||
|
#if defined(LIBC_SCCS) && !defined(lint)
|
||
|
static char sccsid[] = "@(#)fortran.c 8.3 (Berkeley) 4/2/94";
|
||
|
#endif /* LIBC_SCCS and not lint */
|
||
|
|
||
|
#include <ctype.h>
|
||
|
#include <limits.h>
|
||
|
#include <stdio.h>
|
||
|
#include <string.h>
|
||
|
|
||
|
#include "ctags.h"
|
||
|
|
||
|
static void takeprec __P((void));
|
||
|
|
||
|
char *lbp; /* line buffer pointer */
|
||
|
|
||
|
int
|
||
|
PF_funcs()
|
||
|
{
|
||
|
bool pfcnt; /* pascal/fortran functions found */
|
||
|
char *cp;
|
||
|
char tok[MAXTOKEN];
|
||
|
|
||
|
for (pfcnt = NO;;) {
|
||
|
lineftell = ftell(inf);
|
||
|
if (!fgets(lbuf, sizeof(lbuf), inf))
|
||
|
return (pfcnt);
|
||
|
++lineno;
|
||
|
lbp = lbuf;
|
||
|
if (*lbp == '%') /* Ratfor escape to fortran */
|
||
|
++lbp;
|
||
|
for (; isspace(*lbp); ++lbp)
|
||
|
continue;
|
||
|
if (!*lbp)
|
||
|
continue;
|
||
|
switch (*lbp | ' ') { /* convert to lower-case */
|
||
|
case 'c':
|
||
|
if (cicmp("complex") || cicmp("character"))
|
||
|
takeprec();
|
||
|
break;
|
||
|
case 'd':
|
||
|
if (cicmp("double")) {
|
||
|
for (; isspace(*lbp); ++lbp)
|
||
|
continue;
|
||
|
if (!*lbp)
|
||
|
continue;
|
||
|
if (cicmp("precision"))
|
||
|
break;
|
||
|
continue;
|
||
|
}
|
||
|
break;
|
||
|
case 'i':
|
||
|
if (cicmp("integer"))
|
||
|
takeprec();
|
||
|
break;
|
||
|
case 'l':
|
||
|
if (cicmp("logical"))
|
||
|
takeprec();
|
||
|
break;
|
||
|
case 'r':
|
||
|
if (cicmp("real"))
|
||
|
takeprec();
|
||
|
break;
|
||
|
}
|
||
|
for (; isspace(*lbp); ++lbp)
|
||
|
continue;
|
||
|
if (!*lbp)
|
||
|
continue;
|
||
|
switch (*lbp | ' ') {
|
||
|
case 'f':
|
||
|
if (cicmp("function"))
|
||
|
break;
|
||
|
continue;
|
||
|
case 'p':
|
||
|
if (cicmp("program") || cicmp("procedure"))
|
||
|
break;
|
||
|
continue;
|
||
|
case 's':
|
||
|
if (cicmp("subroutine"))
|
||
|
break;
|
||
|
default:
|
||
|
continue;
|
||
|
}
|
||
|
for (; isspace(*lbp); ++lbp)
|
||
|
continue;
|
||
|
if (!*lbp)
|
||
|
continue;
|
||
|
for (cp = lbp + 1; *cp && intoken(*cp); ++cp)
|
||
|
continue;
|
||
|
if (cp == lbp + 1)
|
||
|
continue;
|
||
|
*cp = EOS;
|
||
|
(void)strcpy(tok, lbp);
|
||
|
getline(); /* process line for ex(1) */
|
||
|
pfnote(tok, lineno);
|
||
|
pfcnt = YES;
|
||
|
}
|
||
|
/*NOTREACHED*/
|
||
|
}
|
||
|
|
||
|
/*
|
||
|
* cicmp --
|
||
|
* do case-independent strcmp
|
||
|
*/
|
||
|
int
|
||
|
cicmp(cp)
|
||
|
char *cp;
|
||
|
{
|
||
|
int len;
|
||
|
char *bp;
|
||
|
|
||
|
for (len = 0, bp = lbp; *cp && (*cp &~ ' ') == (*bp++ &~ ' ');
|
||
|
++cp, ++len)
|
||
|
continue;
|
||
|
if (!*cp) {
|
||
|
lbp += len;
|
||
|
return (YES);
|
||
|
}
|
||
|
return (NO);
|
||
|
}
|
||
|
|
||
|
static void
|
||
|
takeprec()
|
||
|
{
|
||
|
for (; isspace(*lbp); ++lbp)
|
||
|
continue;
|
||
|
if (*lbp == '*') {
|
||
|
for (++lbp; isspace(*lbp); ++lbp)
|
||
|
continue;
|
||
|
if (!isdigit(*lbp))
|
||
|
--lbp; /* force failure */
|
||
|
else
|
||
|
while (isdigit(*++lbp))
|
||
|
continue;
|
||
|
}
|
||
|
}
|