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