FreeCalypso > hg > fc-magnetite

annotate helpers/cfg-hdr-gen.c @ 517:f5a1a37cbece

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
src/g23m-aci defenestration fixes: include case and backslashes
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 22 Jul 2018 06:14:11 +0000
parents b8b08c302ace
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
388
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
1 /*
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
2 * This helper program generates the set of *.cfg header files, based on a
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
3 * template file and environment variables for the non-constant settings.
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
4 */
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
5
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
6 #include <stdio.h>
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
7 #include <stdlib.h>
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
8 #include <unistd.h>
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
9 #include <ctype.h>
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
10 #include <string.h>
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
11 #include <strings.h>
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
12
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
13 char *infname;
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
14 FILE *inf, *outf;
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
15 char include_guard_symbol[32];
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
16 char linebuf[256];
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
17 int lineno;
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
18
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
19 make_include_guard_symbol(fname)
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
20 char *fname;
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
21 {
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
22 char *sp, *dp;
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
23 int c;
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
24
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
25 sp = fname;
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
26 dp = include_guard_symbol;
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
27 *dp++ = '_';
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
28 *dp++ = '_';
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
29 while (c = *sp++) {
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
30 if (islower(c))
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
31 c = toupper(c);
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
32 else if (c == '.')
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
33 c = '_';
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
34 *dp++ = c;
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
35 }
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
36 *dp++ = '_';
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
37 *dp++ = '_';
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
38 *dp = '\0';
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
39 }
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
40
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
41 close_output()
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
42 {
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
43 if (outf) {
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
44 fprintf(outf, "#endif /* %s */\n", include_guard_symbol);
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
45 fclose(outf);
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
46 outf = 0;
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
47 }
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
48 }
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
49
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
50 bracket_line()
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
51 {
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
52 char *cp;
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
53
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
54 close_output();
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
55 cp = index(linebuf+1, ']');
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
56 if (!cp) {
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
57 fprintf(stderr, "%s line %d: unterminated bracket line\n",
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
58 infname, lineno);
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
59 exit(1);
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
60 }
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
61 *cp = '\0';
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
62 outf = fopen(linebuf+1, "w");
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
63 if (!outf) {
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
64 perror(linebuf+1);
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
65 exit(1);
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
66 }
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
67 make_include_guard_symbol(linebuf+1);
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
68 fprintf(outf, "#ifndef %s\n", include_guard_symbol);
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
69 fprintf(outf, "#define %s\n", include_guard_symbol);
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
70 }
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
71
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
72 process_line()
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
73 {
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
74 char *cp, *symbol, *value;
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
75
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
76 if (linebuf[0] == '[')
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
77 return bracket_line();
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
78 for (cp = linebuf; isspace(*cp); cp++)
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
79 ;
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
80 if (*cp == '\0' || *cp == '#')
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
81 return;
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
82 for (symbol = cp; *cp && !isspace(*cp); cp++)
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
83 ;
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
84 if (!*cp) {
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
85 inv: fprintf(stderr, "%s line %d: expected two fields\n",
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
86 infname, lineno);
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
87 exit(1);
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
88 }
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
89 *cp++ = '\0';
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
90 while (isspace(*cp))
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
91 cp++;
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
92 if (*cp == '\0' || *cp == '#')
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
93 goto inv;
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
94 for (value = cp; *cp && !isspace(*cp); cp++)
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
95 ;
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
96 if (*cp)
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
97 *cp++ = '\0';
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
98 while (isspace(*cp))
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
99 cp++;
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
100 if (*cp != '\0' && *cp != '#')
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
101 goto inv;
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
102 if (!strcmp(value, "var")) {
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
103 value = getenv(symbol);
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
104 if (!value) {
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
105 fprintf(stderr,
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
106 "%s line %d: no environment variable named %s\n",
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
107 infname, lineno, symbol);
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
108 exit(1);
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
109 }
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
110 }
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
111 if (!outf) {
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
112 fprintf(stderr, "%s line %d: no open output file\n",
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
113 infname, lineno);
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
114 exit(1);
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
115 }
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
116 fprintf(outf, "#define %s %s\n", symbol, value);
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
117 }
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
118
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
119 main(argc, argv)
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
120 char **argv;
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
121 {
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
122 if (argc != 3) {
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
123 fprintf(stderr, "usage: %s template-file output-dir\n",
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
124 argv[0]);
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
125 exit(1);
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
126 }
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
127 infname = argv[1];
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
128 inf = fopen(infname, "r");
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
129 if (!inf) {
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
130 perror(infname);
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
131 exit(1);
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
132 }
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
133 if (chdir(argv[2]) < 0) {
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
134 perror(argv[2]);
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
135 exit(1);
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
136 }
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
137 for (lineno = 1; fgets(linebuf, sizeof linebuf, inf); lineno++)
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
138 process_line();
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
139 close_output();
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
140 exit(0);
b8b08c302ace cfg-hdr-gen C helper program written
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff changeset
141 }