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15637ed4 RG |
1 | /* |
2 | * Copyright (c) 1987 The Regents of the University of California. | |
3 | * 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 | ||
34 | #ifndef lint | |
35 | static char sccsid[] = "@(#)fortran.c 5.5 (Berkeley) 2/26/91"; | |
36 | #endif /* not lint */ | |
37 | ||
38 | #include <stdio.h> | |
39 | #include <string.h> | |
40 | #include "ctags.h" | |
41 | ||
42 | static void takeprec(); | |
43 | ||
44 | char *lbp; /* line buffer pointer */ | |
45 | ||
46 | PF_funcs() | |
47 | { | |
48 | register bool pfcnt; /* pascal/fortran functions found */ | |
49 | register char *cp; | |
50 | char tok[MAXTOKEN], | |
51 | *gettoken(); | |
52 | ||
53 | for (pfcnt = NO;;) { | |
54 | lineftell = ftell(inf); | |
55 | if (!fgets(lbuf,sizeof(lbuf),inf)) | |
56 | return(pfcnt); | |
57 | ++lineno; | |
58 | lbp = lbuf; | |
59 | if (*lbp == '%') /* Ratfor escape to fortran */ | |
60 | ++lbp; | |
61 | for (;isspace(*lbp);++lbp); | |
62 | if (!*lbp) | |
63 | continue; | |
64 | switch (*lbp | ' ') { /* convert to lower-case */ | |
65 | case 'c': | |
66 | if (cicmp("complex") || cicmp("character")) | |
67 | takeprec(); | |
68 | break; | |
69 | case 'd': | |
70 | if (cicmp("double")) { | |
71 | for (;isspace(*lbp);++lbp); | |
72 | if (!*lbp) | |
73 | continue; | |
74 | if (cicmp("precision")) | |
75 | break; | |
76 | continue; | |
77 | } | |
78 | break; | |
79 | case 'i': | |
80 | if (cicmp("integer")) | |
81 | takeprec(); | |
82 | break; | |
83 | case 'l': | |
84 | if (cicmp("logical")) | |
85 | takeprec(); | |
86 | break; | |
87 | case 'r': | |
88 | if (cicmp("real")) | |
89 | takeprec(); | |
90 | break; | |
91 | } | |
92 | for (;isspace(*lbp);++lbp); | |
93 | if (!*lbp) | |
94 | continue; | |
95 | switch (*lbp | ' ') { | |
96 | case 'f': | |
97 | if (cicmp("function")) | |
98 | break; | |
99 | continue; | |
100 | case 'p': | |
101 | if (cicmp("program") || cicmp("procedure")) | |
102 | break; | |
103 | continue; | |
104 | case 's': | |
105 | if (cicmp("subroutine")) | |
106 | break; | |
107 | default: | |
108 | continue; | |
109 | } | |
110 | for (;isspace(*lbp);++lbp); | |
111 | if (!*lbp) | |
112 | continue; | |
113 | for (cp = lbp + 1;*cp && intoken(*cp);++cp); | |
114 | if (cp = lbp + 1) | |
115 | continue; | |
116 | *cp = EOS; | |
117 | (void)strcpy(tok,lbp); | |
118 | getline(); /* process line for ex(1) */ | |
119 | pfnote(tok,lineno); | |
120 | pfcnt = YES; | |
121 | } | |
122 | /*NOTREACHED*/ | |
123 | } | |
124 | ||
125 | /* | |
126 | * cicmp -- | |
127 | * do case-independent strcmp | |
128 | */ | |
129 | cicmp(cp) | |
130 | register char *cp; | |
131 | { | |
132 | register int len; | |
133 | register char *bp; | |
134 | ||
135 | for (len = 0,bp = lbp;*cp && (*cp &~ ' ') == (*bp++ &~ ' '); | |
136 | ++cp,++len); | |
137 | if (!*cp) { | |
138 | lbp += len; | |
139 | return(YES); | |
140 | } | |
141 | return(NO); | |
142 | } | |
143 | ||
144 | static void | |
145 | takeprec() | |
146 | { | |
147 | for (;isspace(*lbp);++lbp); | |
148 | if (*lbp == '*') { | |
149 | for (++lbp;isspace(*lbp);++lbp); | |
150 | if (!isdigit(*lbp)) | |
151 | --lbp; /* force failure */ | |
152 | else | |
153 | while (isdigit(*++lbp)); | |
154 | } | |
155 | } |