Initial revision

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);
+    }
+}