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1.1 ! deraadt 1: /* $NetBSD: fortran.c,v 1.3 1995/03/26 20:14:08 glass Exp $ */
! 2:
! 3: /*
! 4: * Copyright (c) 1987, 1993, 1994
! 5: * The Regents of the University of California. All rights reserved.
! 6: *
! 7: * Redistribution and use in source and binary forms, with or without
! 8: * modification, are permitted provided that the following conditions
! 9: * are met:
! 10: * 1. Redistributions of source code must retain the above copyright
! 11: * notice, this list of conditions and the following disclaimer.
! 12: * 2. Redistributions in binary form must reproduce the above copyright
! 13: * notice, this list of conditions and the following disclaimer in the
! 14: * documentation and/or other materials provided with the distribution.
! 15: * 3. All advertising materials mentioning features or use of this software
! 16: * must display the following acknowledgement:
! 17: * This product includes software developed by the University of
! 18: * California, Berkeley and its contributors.
! 19: * 4. Neither the name of the University nor the names of its contributors
! 20: * may be used to endorse or promote products derived from this software
! 21: * without specific prior written permission.
! 22: *
! 23: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
! 24: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 25: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 26: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
! 27: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 28: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 29: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 30: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 31: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 32: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 33: * SUCH DAMAGE.
! 34: */
! 35:
! 36: #ifndef lint
! 37: #if 0
! 38: static char sccsid[] = "@(#)fortran.c 8.3 (Berkeley) 4/2/94";
! 39: #else
! 40: static char rcsid[] = "$NetBSD: fortran.c,v 1.3 1995/03/26 20:14:08 glass Exp $";
! 41: #endif
! 42: #endif /* not lint */
! 43:
! 44: #include <ctype.h>
! 45: #include <limits.h>
! 46: #include <stdio.h>
! 47: #include <string.h>
! 48:
! 49: #include "ctags.h"
! 50:
! 51: static void takeprec __P((void));
! 52:
! 53: char *lbp; /* line buffer pointer */
! 54:
! 55: int
! 56: PF_funcs()
! 57: {
! 58: bool pfcnt; /* pascal/fortran functions found */
! 59: char *cp;
! 60: char tok[MAXTOKEN];
! 61:
! 62: for (pfcnt = NO;;) {
! 63: lineftell = ftell(inf);
! 64: if (!fgets(lbuf, sizeof(lbuf), inf))
! 65: return (pfcnt);
! 66: ++lineno;
! 67: lbp = lbuf;
! 68: if (*lbp == '%') /* Ratfor escape to fortran */
! 69: ++lbp;
! 70: for (; isspace(*lbp); ++lbp)
! 71: continue;
! 72: if (!*lbp)
! 73: continue;
! 74: switch (*lbp | ' ') { /* convert to lower-case */
! 75: case 'c':
! 76: if (cicmp("complex") || cicmp("character"))
! 77: takeprec();
! 78: break;
! 79: case 'd':
! 80: if (cicmp("double")) {
! 81: for (; isspace(*lbp); ++lbp)
! 82: continue;
! 83: if (!*lbp)
! 84: continue;
! 85: if (cicmp("precision"))
! 86: break;
! 87: continue;
! 88: }
! 89: break;
! 90: case 'i':
! 91: if (cicmp("integer"))
! 92: takeprec();
! 93: break;
! 94: case 'l':
! 95: if (cicmp("logical"))
! 96: takeprec();
! 97: break;
! 98: case 'r':
! 99: if (cicmp("real"))
! 100: takeprec();
! 101: break;
! 102: }
! 103: for (; isspace(*lbp); ++lbp)
! 104: continue;
! 105: if (!*lbp)
! 106: continue;
! 107: switch (*lbp | ' ') {
! 108: case 'f':
! 109: if (cicmp("function"))
! 110: break;
! 111: continue;
! 112: case 'p':
! 113: if (cicmp("program") || cicmp("procedure"))
! 114: break;
! 115: continue;
! 116: case 's':
! 117: if (cicmp("subroutine"))
! 118: break;
! 119: default:
! 120: continue;
! 121: }
! 122: for (; isspace(*lbp); ++lbp)
! 123: continue;
! 124: if (!*lbp)
! 125: continue;
! 126: for (cp = lbp + 1; *cp && intoken(*cp); ++cp)
! 127: continue;
! 128: if (cp = lbp + 1)
! 129: continue;
! 130: *cp = EOS;
! 131: (void)strcpy(tok, lbp);
! 132: getline(); /* process line for ex(1) */
! 133: pfnote(tok, lineno);
! 134: pfcnt = YES;
! 135: }
! 136: /*NOTREACHED*/
! 137: }
! 138:
! 139: /*
! 140: * cicmp --
! 141: * do case-independent strcmp
! 142: */
! 143: int
! 144: cicmp(cp)
! 145: char *cp;
! 146: {
! 147: int len;
! 148: char *bp;
! 149:
! 150: for (len = 0, bp = lbp; *cp && (*cp &~ ' ') == (*bp++ &~ ' ');
! 151: ++cp, ++len)
! 152: continue;
! 153: if (!*cp) {
! 154: lbp += len;
! 155: return (YES);
! 156: }
! 157: return (NO);
! 158: }
! 159:
! 160: static void
! 161: takeprec()
! 162: {
! 163: for (; isspace(*lbp); ++lbp)
! 164: continue;
! 165: if (*lbp == '*') {
! 166: for (++lbp; isspace(*lbp); ++lbp)
! 167: continue;
! 168: if (!isdigit(*lbp))
! 169: --lbp; /* force failure */
! 170: else
! 171: while (isdigit(*++lbp))
! 172: continue;
! 173: }
! 174: }