1 /* gen-protos.c - massages a list of prototypes, for use by fixproto.
2 Copyright (C) 1993 Free Software Foundation, Inc.
4 This program is free software; you can redistribute it and/or modify it
5 under the terms of the GNU General Public License as published by the
6 Free Software Foundation; either version 2, or (at your option) any
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
21 #define HASH_SIZE 2503 /* a prime */
23 int hash_tab[HASH_SIZE];
37 fprintf (outf, "struct fn_decl std_protos[] = {\n");
41 int c = skip_spaces (inf, ' ');
42 int param_nesting = 1;
43 char *param_start, *param_end, *decl_start,
44 *name_start, *name_end;
48 linebuf.ptr = linebuf.base;
50 c = read_upto (inf, &linebuf, '\n');
51 if (linebuf.base[0] == '#') /* skip cpp command */
53 if (linebuf.base[0] == '\0') /* skip empty line */
56 ptr = linebuf.ptr - 1;
57 while (*ptr == ' ' || *ptr == '\t') ptr--;
60 fprintf (stderr, "Funny input line: %s\n", linebuf.base);
63 while (*ptr == ' ' || *ptr == '\t') ptr--;
66 fprintf (stderr, "Funny input line: %s\n", linebuf.base);
73 if (c == '(' && --param_nesting == 0)
81 while (*ptr == ' ' || *ptr == '\t') ptr--;
85 fprintf (stderr, "%s: Can't handle this complex prototype: %s\n",
86 argv[0], linebuf.base);
91 while (isalnum (*ptr) || *ptr == '_') --ptr;
93 while (*ptr == ' ' || *ptr == '\t') ptr--;
99 decl_start = linebuf.base;
100 if (strncmp (decl_start, "typedef ", 8) == 0)
102 if (strncmp (decl_start, "extern ", 7) == 0)
106 /* NOTE: If you edit this,
107 also edit lookup_std_proto in patch-header.c !! */
108 i = hash(name_start) % HASH_SIZE;
110 if (hash_tab[i] != 0)
114 i = (i+1) % HASH_SIZE;
117 if (hash_tab[i] == 0)
121 hash_tab[i] = next_index;
123 fprintf (outf, " {\"%s\", \"%s\", \"%s\" }, /* ix: %d, i0: %d */\n",
124 name_start, decl_start, param_start, i, i0);
131 fprintf (outf, "{0, 0, 0}\n};\n");
134 fprintf (outf, "#define HASH_SIZE %d\n", HASH_SIZE);
135 fprintf (outf, "short hash_tab[HASH_SIZE] = {\n");
136 for (i = 0; i < HASH_SIZE; i++)
137 fprintf (outf, " %d,\n", hash_tab[i]);
138 fprintf (outf, "};\n");