Skip to content
This repository

HTTPS clone URL

Subversion checkout URL

You can clone with HTTPS or Subversion.

Download ZIP
tag: s20040209
Fetching contributors…

Octocat-spinner-32-eaf2f5

Cannot retrieve contributors at this time

file 237 lines (201 sloc) 6.212 kb
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236
/*
* Copyright (c) 2001 Stephen Williams (steve@icarus.com)
*
* This source code is free software; you can redistribute it
* and/or modify it in source code form under the terms of the GNU
* General Public License as published by the Free Software
* Foundation; either version 2 of the License, 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
*/
#ifdef HAVE_CVS_IDENT
#ident "$Id: load_module.cc,v 1.12 2003/06/05 04:31:09 steve Exp $"
#endif

# include "config.h"
# include "util.h"
# include "parse_api.h"
# include "compiler.h"
# include <iostream>
# include <map>
# include <string>
# include <sys/types.h>
# include <dirent.h>
# include <ctype.h>
# include <assert.h>

/*
* The module library items are maps of key names to file name within
* the directory.
*/
struct module_library {
      char*dir;
      bool key_case_sensitive;
      map<string,const char*>name_map;
      struct module_library*next;
};

static struct module_library*library_list = 0;
static struct module_library*library_last = 0;

const char dir_character = '/';
extern FILE *depend_file;

/*
* Use the type name as a key, and search the module library for a
* file name that has that key.
*/
bool load_module(const char*type)
{
      char path[4096];
      char*ltype = strdup(type);

      for (char*tmp = ltype ; *tmp ; tmp += 1)
*tmp = tolower(*tmp);

      for (struct module_library*lcur = library_list
; lcur != 0 ; lcur = lcur->next) {

const char*key = lcur->key_case_sensitive? type : ltype;
map<string,const char*>::const_iterator cur;
cur = lcur->name_map.find(key);
if (cur == lcur->name_map.end())
continue;

sprintf(path, "%s%c%s", lcur->dir, dir_character, (*cur).second);

if(depend_file) {
fprintf(depend_file, "%s\n", path);
}

if (ivlpp_string) {
char*cmdline = (char*)malloc(strlen(ivlpp_string) +
strlen(path) + 2);
strcpy(cmdline, ivlpp_string);
strcat(cmdline, " ");
strcat(cmdline, path);
FILE*file = popen(cmdline, "r");

if (verbose_flag)
cerr << "Executing: " << cmdline << endl;

pform_parse(path, file);
fclose(file);
free(cmdline);

} else {
if (verbose_flag)
cerr << "Loading library file "
<< path << "." << endl;

FILE*file = fopen(path, "r");
assert(file);
pform_parse(path, file);
fclose(file);
}

return true;
      }


      return false;
}

/*
* This function takes the name of a library directory that the caller
* passed, and builds a name index for it.
*/
int build_library_index(const char*path, bool key_case_sensitive)
{
      DIR*dir = opendir(path);
      if (dir == 0)
return -1;

      if (verbose_flag) {
cerr << "Indexing library: " << path << endl;
      }

      struct module_library*mlp = new struct module_library;
      mlp->dir = strdup(path);
      mlp->key_case_sensitive = key_case_sensitive;

/* Scan the director for files. check each file name to see if
it has one of the configured suffixes. If it does, then use
the root of the name as the key and index the file name. */
      while (struct dirent*de = readdir(dir)) {
unsigned namsiz = strlen(de->d_name);
char*key = 0;

for (list<const char*>::iterator suf = library_suff.begin()
; suf != library_suff.end()
; suf ++ ) {
const char*sufptr = *suf;
unsigned sufsiz = strlen(sufptr);

if (sufsiz >= namsiz)
continue;

/* If the directory is case insensitive, then so
is the suffix. */
if (key_case_sensitive) {
if (strcmp(de->d_name + (namsiz-sufsiz),
sufptr) != 0)
continue;
} else {
if (strcasecmp(de->d_name + (namsiz-sufsiz),
sufptr) != 0)
continue;
}

key = new char[namsiz-sufsiz+1];
strncpy(key, de->d_name, namsiz-sufsiz);
key[namsiz-sufsiz] = 0;

break;
}

if (key == 0)
continue;

/* If the key is not to be case sensitive, then change
it to lowercase. */
if (! key_case_sensitive)
for (char*tmp = key ; *tmp ; tmp += 1)
*tmp = tolower(*tmp);

mlp->name_map[key] = strdup(de->d_name);
delete[]key;
      }

      closedir(dir);

      if (library_last) {
assert(library_list);
library_last->next = mlp;
mlp->next = 0;
library_last = mlp;
      } else {
library_list = mlp;
library_last = mlp;
mlp->next = 0;
      }

      return 0;
}

/*
* $Log: load_module.cc,v $
* Revision 1.12 2003/06/05 04:31:09 steve
* INclude missing assert.h in load_module.
*
* Revision 1.11 2002/08/12 01:34:59 steve
* conditional ident string using autoconfig.
*
* Revision 1.10 2002/08/03 22:30:00 steve
* Fix suffix parsing of library index.
*
* Revision 1.9 2002/07/10 04:34:18 steve
* Library dir case insensitivity includes the suffix.
*
* Revision 1.8 2002/06/06 18:57:18 steve
* Use standard name for iostream.
*
* Revision 1.7 2002/05/28 20:40:37 steve
* ivl indexes the search path for libraries, and
* supports case insensitive module-to-file lookup.
*
* Revision 1.6 2002/05/28 00:50:39 steve
* Add the ivl -C flag for bulk configuration
* from the driver, and use that to run library
* modules through the preprocessor.
*
* Revision 1.5 2002/04/04 05:26:13 steve
* Add dependency generation.
*
* Revision 1.4 2001/11/20 23:36:34 steve
* Close library files after parsing.
*
* Revision 1.3 2001/11/16 05:07:19 steve
* Add support for +libext+ in command files.
*
* Revision 1.2 2001/10/22 02:05:21 steve
* Handle activating tasks in another root.
*
* Revision 1.1 2001/10/20 23:02:40 steve
* Add automatic module libraries.
*
*/

Something went wrong with that request. Please try again.