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Diffstat (limited to 'src/idx.c')
| -rw-r--r-- | src/idx.c | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/src/idx.c b/src/idx.c new file mode 100644 index 0000000..60ca5fc --- /dev/null +++ b/src/idx.c @@ -0,0 +1,167 @@ +/* idx.c -- simple interface for testing scanners scanners + Copyright (C) 1986, 1995, 1996 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, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + +#include <stdio.h> +#include <string.h> +#include <getopt.h> + +#include <config.h> +#include "alloc.h" +#include "system.h" +#include "misc.h" +#include "filenames.h" +#include "scanners.h" +#include "idfile.h" +#include "pathmax.h" + +void scan_files __P((struct idhead *idhp)); +void scan_member_file __P((struct member_file const *member)); + +char const *program_name; +char *lang_map_file_name = 0; +int show_version = 0; +int show_help = 0; +struct idhead idh; + +void +usage (void) +{ + fprintf (stderr, _("Try `%s --help' for more information.\n"), + program_name); + exit (1); +} + +static struct option const long_options[] = +{ + { "lang-map", required_argument, 0, 'm' }, + { "help", no_argument, &show_help, 1 }, + { "version", no_argument, &show_version, 1 }, + { 0 } +}; + +static void +help_me (void) +{ + printf (_("\ +Usage: %s [OPTION]... [FILE]...\n"), + program_name); + + printf (_("\ +Print all tokens found in a source file.\n\ + -m, --lang-map=FILE use FILE to file names onto source language\n\ + --help display this help and exit\n\ + --version output version information and exit\n\ +\n\ +The following arguments apply to the language-specific scanners:\n\ +")); + language_help_me (); + exit (0); +} + +int +main (int argc, char **argv) +{ + char *arg; + + program_name = argv[0]; + for (;;) + { + int optc = getopt_long (argc, argv, "o:f:i:x:l:m:uvs", + long_options, (int *) 0); + if (optc < 0) + break; + switch (optc) + { + case 0: + break; + + case 'm': + lang_map_file_name = optarg; + break; + + default: + usage (); + } + } + + if (show_version) + { + printf ("%s - %s\n", program_name, PACKAGE_VERSION); + exit (0); + } + + if (show_help) + help_me (); + + argc -= optind; + argv += optind; + + init_idh_obstacks (&idh); + init_idh_tables (&idh); + parse_language_map (lang_map_file_name); + { + struct file_link *cwd_link = get_current_dir_link (); + while (argc--) + walk_flink (parse_file_name (*argv++, cwd_link), 0); + mark_member_file_links (&idh); + obstack_init (&tokens_obstack); + scan_files (&idh); + } + + return 0; +} + +void +scan_files (struct idhead *idhp) +{ + struct member_file **members_0 + = (struct member_file **) hash_dump (&idhp->idh_member_file_table, + 0, member_file_qsort_compare); + struct member_file **end = &members_0[idhp->idh_member_file_table.ht_fill]; + struct member_file **members; + + for (members = members_0; members < end; members++) + scan_member_file (*members); + free (members_0); +} + +void +scan_member_file (struct member_file const *member) +{ + struct lang_args const *lang_args = member->mf_lang_args; + struct language const *lang = lang_args->la_language; + get_token_func_t get_token = lang->lg_get_token; + struct file_link *flink = member->mf_link; + FILE *source_FILE; + size_t bytes; + + chdir_to_link (flink->fl_parent); + source_FILE = open_source_FILE (flink->fl_name); + if (source_FILE) + { + void const *args = lang_args->la_args_digested; + int flags; + struct token *token; + + while ((token = (*get_token) (source_FILE, args, &flags)) != NULL) + { + puts (token->tok_name); + obstack_free (&tokens_obstack, token); + } + close_source_FILE (source_FILE); + } +} |