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Diffstat (limited to 'contrib/gcc/gen-protos.c')
| -rw-r--r-- | contrib/gcc/gen-protos.c | 185 |
1 files changed, 0 insertions, 185 deletions
diff --git a/contrib/gcc/gen-protos.c b/contrib/gcc/gen-protos.c deleted file mode 100644 index 10850353153b..000000000000 --- a/contrib/gcc/gen-protos.c +++ /dev/null @@ -1,185 +0,0 @@ -/* gen-protos.c - massages a list of prototypes, for use by fixproto. - Copyright (C) 1993, 94-96, 1998 Free Software Foundation, Inc. - -This program is free software; you can redistribute it and/or modify it -under the terms of the GNU General Public License as published by the -Free Software Foundation; either version 2, or (at your option) any -later version. - -This program is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -You should have received a copy of the GNU General Public License -along with this program; if not, write to the Free Software -Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -#include "hconfig.h" -#include "system.h" -#include "scan.h" -#include "cpplib.h" -#include "cpphash.h" -#undef abort - -int verbose = 0; -char *progname; - -#define HASH_SIZE 2503 /* a prime */ -int hash_tab[HASH_SIZE]; -int next_index; - -static void -add_hash (fname) - char *fname; -{ - int i, i0; - - /* NOTE: If you edit this, also edit lookup_std_proto in fix-header.c !! */ - i = hashf (fname, strlen (fname), HASH_SIZE); - i0 = i; - if (hash_tab[i] != 0) - { - for (;;) - { - i = (i+1) % HASH_SIZE; - if (i == i0) - abort (); - if (hash_tab[i] == 0) - break; - } - } - hash_tab[i] = next_index; - - next_index++; -} - -/* Given a function prototype, fill in the fields of FN. - The result is a boolean indicating if a function prototype was found. - - The input string is modified (trailing NULs are inserted). - The fields of FN point to the input string. */ - -static int -parse_fn_proto (start, end, fn) - char *start, *end; - struct fn_decl *fn; -{ - register char *ptr; - int param_nesting = 1; - char *param_start, *param_end, *decl_start, *name_start, *name_end; - - ptr = end - 1; - while (*ptr == ' ' || *ptr == '\t') ptr--; - if (*ptr-- != ';') - { - fprintf (stderr, "Funny input line: %s\n", start); - return 0; - } - while (*ptr == ' ' || *ptr == '\t') ptr--; - if (*ptr != ')') - { - fprintf (stderr, "Funny input line: %s\n", start); - return 0; - } - param_end = ptr; - for (;;) - { - int c = *--ptr; - if (c == '(' && --param_nesting == 0) - break; - else if (c == ')') - param_nesting++; - } - param_start = ptr+1; - - ptr--; - while (*ptr == ' ' || *ptr == '\t') ptr--; - - if (!ISALNUM ((unsigned char)*ptr)) - { - if (verbose) - fprintf (stderr, "%s: Can't handle this complex prototype: %s\n", - progname, start); - return 0; - } - name_end = ptr+1; - - while (ISALNUM ((unsigned char)*ptr) || *ptr == '_') --ptr; - name_start = ptr+1; - while (*ptr == ' ' || *ptr == '\t') ptr--; - ptr[1] = 0; - *param_end = 0; - *name_end = 0; - - decl_start = start; - if (strncmp (decl_start, "typedef ", 8) == 0) - return 0; - if (strncmp (decl_start, "extern ", 7) == 0) - decl_start += 7; - - fn->fname = name_start; - fn->rtype = decl_start; - fn->params = param_start; - return 1; -} - -int -main (argc, argv) - int argc ATTRIBUTE_UNUSED; - char **argv; -{ - FILE *inf = stdin; - FILE *outf = stdout; - int i; - sstring linebuf; - struct fn_decl fn_decl; - - i = strlen (argv[0]); - while (i > 0 && argv[0][i-1] != '/') --i; - progname = &argv[0][i]; - - INIT_SSTRING (&linebuf); - - fprintf (outf, "struct fn_decl std_protos[] = {\n"); - - /* A hash table entry of 0 means "unused" so reserve it. */ - fprintf (outf, " {\"\", \"\", \"\", 0},\n"); - next_index = 1; - - for (;;) - { - int c = skip_spaces (inf, ' '); - - if (c == EOF) - break; - linebuf.ptr = linebuf.base; - ungetc (c, inf); - c = read_upto (inf, &linebuf, '\n'); - if (linebuf.base[0] == '#') /* skip cpp command */ - continue; - if (linebuf.base[0] == '\0') /* skip empty line */ - continue; - - if (! parse_fn_proto (linebuf.base, linebuf.ptr, &fn_decl)) - continue; - - add_hash (fn_decl.fname); - - fprintf (outf, " {\"%s\", \"%s\", \"%s\", 0},\n", - fn_decl.fname, fn_decl.rtype, fn_decl.params); - - if (c == EOF) - break; - } - fprintf (outf, " {0, 0, 0, 0}\n};\n"); - - - fprintf (outf, "#define HASH_SIZE %d\n", HASH_SIZE); - fprintf (outf, "short hash_tab[HASH_SIZE] = {\n"); - for (i = 0; i < HASH_SIZE; i++) - fprintf (outf, " %d,\n", hash_tab[i]); - fprintf (outf, "};\n"); - - return 0; -} |