xpcom/typelib/xpidl/xpidl.c

   1 /* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /* ***** BEGIN LICENSE BLOCK *****
   3  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
   4  *
   5  * The contents of this file are subject to the Mozilla Public License Version
   6  * 1.1 (the "License"); you may not use this file except in compliance with
   7  * the License. You may obtain a copy of the License at
   8  * http://www.mozilla.org/MPL/
   9  *
  10  * Software distributed under the License is distributed on an "AS IS" basis,
  11  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  12  * for the specific language governing rights and limitations under the
  13  * License.
  14  *
  15  * The Original Code is mozilla.org code.
  16  *
  17  * The Initial Developer of the Original Code is
  18  * Netscape Communications Corporation.
  19  * Portions created by the Initial Developer are Copyright (C) 1998
  20  * the Initial Developer. All Rights Reserved.
  21  *
  22  * Contributor(s):
  23  *
  24  * Alternatively, the contents of this file may be used under the terms of
  25  * either the GNU General Public License Version 2 or later (the "GPL"), or
  26  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
  27  * in which case the provisions of the GPL or the LGPL are applicable instead
  28  * of those above. If you wish to allow use of your version of this file only
  29  * under the terms of either the GPL or the LGPL, and not to allow others to
  30  * use your version of this file under the terms of the MPL, indicate your
  31  * decision by deleting the provisions above and replace them with the notice
  32  * and other provisions required by the GPL or the LGPL. If you do not delete
  33  * the provisions above, a recipient may use your version of this file under
  34  * the terms of any one of the MPL, the GPL or the LGPL.
  35  *
  36  * ***** END LICENSE BLOCK ***** */
  37
  38 /*
  39  * Main xpidl program entry point.
  40  */
  41
  42 #include "xpidl.h"
  43
  44 static ModeData modes[] = {
  45     {"header",  "Generate C++ header",         "h",    xpidl_header_dispatch},
  46     {"typelib", "Generate XPConnect typelib",  "xpt",  xpidl_typelib_dispatch},
  47     {"doc",     "Generate HTML documentation", "html", xpidl_doc_dispatch},
  48     {"java",    "Generate Java interface",     "java", xpidl_java_dispatch},
  49     {0,         0,                             0,      0}
  50 };
  51
  52 static ModeData *
  53 FindMode(char *mode)
  54 {
  55     int i;
  56     for (i = 0; modes[i].mode; i++) {
  57         if (!strcmp(modes[i].mode, mode))
  58             return &modes[i];
  59     }
  60     return NULL;
  61 }
  62
  63 gboolean enable_debug               = FALSE;
  64 gboolean enable_warnings            = FALSE;
  65 gboolean verbose_mode               = FALSE;
  66 gboolean emit_typelib_annotations   = FALSE;
  67 gboolean explicit_output_filename   = FALSE;
  68 FILE *deps = NULL;
  69
  70 /* The following globals are explained in xpt_struct.h */
  71 PRUint8  major_version              = XPT_MAJOR_VERSION;
  72 PRUint8  minor_version              = XPT_MINOR_VERSION;
  73
  74 static char xpidl_usage_str[] =
  75 "Usage: %s -m mode [-w] [-v] [-t version number] [-d filename.pp]\n"
  76 "          [-I path] [-o basename | -e filename.ext] filename.idl\n"
  77 "       -a emit annotations to typelib\n"
  78 "       -w turn on warnings (recommended)\n"
  79 "       -v verbose mode (NYI)\n"
  80 "       -t create a typelib of a specific version number\n"
  81 "       -I add entry to start of include path for ``#include \"nsIThing.idl\"''\n"
  82 "       -o use basename (e.g. ``/tmp/nsIThing'') for output\n"
  83 "       -e use explicit output filename\n"
  84 "       -d write dependencies (requires -e)\n"
  85 "       -m specify output mode:\n";
  86
  87 static void
  88 xpidl_usage(int argc, char *argv[])
  89 {
  90     int i;
  91     fprintf(stderr, xpidl_usage_str, argv[0]);
  92     for (i = 0; modes[i].mode; i++) {
  93         fprintf(stderr, "          %-12s  %-30s (.%s)\n", modes[i].mode,
  94                 modes[i].modeInfo, modes[i].suffix);
  95     }
  96 }
  97
  98 int main(int argc, char *argv[])
  99 {
 100     int i;
 101     IncludePathEntry *inc, *inc_head, **inc_tail;
 102     char *file_basename = NULL;
 103     ModeData *mode = NULL;
 104     gboolean create_old_typelib = FALSE;
 105
 106     /* turn this on for extra checking of our code */
 107 /*    IDL_check_cast_enable(TRUE); */
 108
 109     inc_head = xpidl_malloc(sizeof *inc);
 110     inc_head->directory = ".";
 111     inc_head->next = NULL;
 112     inc_tail = &inc_head->next;
 113
 114     for (i = 1; i < argc; i++) {
 115         if (argv[i][0] != '-')
 116             break;
 117         switch (argv[i][1]) {
 118           case '-':
 119             argc++;             /* pretend we didn't see this */
 120             /* fall through */
 121           case 0:               /* - is a legal input filename (stdin)  */
 122             goto done_options;
 123           case 'a':
 124             emit_typelib_annotations = TRUE;
 125             break;
 126           case 'w':
 127             enable_warnings = TRUE;
 128             break;
 129           case 'v':
 130             verbose_mode = TRUE;
 131             break;
 132           case 't':
 133           {
 134             /* Parse for "-t version number" and store it into global boolean
 135              * and string variables.
 136              */
 137             const gchar* typelib_version_string = NULL;
 138
 139             /*
 140              * If -t is the last argument on the command line, we have a problem
 141              */
 142
 143             if (i + 1 == argc) {
 144                 fprintf(stderr, "ERROR: missing version number after -t\n");
 145                 xpidl_usage(argc, argv);
 146                 return 1;
 147             }
 148
 149             /* Do not allow more than one "-t" definition */
 150             if (create_old_typelib) {
 151                 fprintf(stderr,
 152                         "ERROR: -t argument used twice. "
 153                         "Cannot specify more than one version\n");
 154                 xpidl_usage(argc, argv);
 155                 return 1;
 156             }
 157
 158             /*
 159              * Assume that the argument after "-t" is the version number string
 160              * and search for it in our internal list of acceptable version
 161              * numbers.
 162              */
 163             switch (XPT_ParseVersionString(argv[++i], &major_version,
 164                                            &minor_version)) {
 165               case XPT_VERSION_CURRENT:
 166                 break;
 167               case XPT_VERSION_OLD:
 168                 create_old_typelib = TRUE;
 169                 break;
 170               case XPT_VERSION_UNSUPPORTED:
 171                 fprintf(stderr, "ERROR: version \"%s\" not supported.\n",
 172                         argv[i]);
 173                 xpidl_usage(argc, argv);
 174                 return 1;
 175               case XPT_VERSION_UNKNOWN:
 176               default:
 177                 fprintf(stderr, "ERROR: version \"%s\" not recognised.\n",
 178                         argv[i]);
 179                 xpidl_usage(argc, argv);
 180                 return 1;
 181             }
 182             break;
 183           }
 184           case 'I':
 185             if (argv[i][2] == '\0' && i == argc) {
 186                 fputs("ERROR: missing path after -I\n", stderr);
 187                 xpidl_usage(argc, argv);
 188                 return 1;
 189             }
 190             inc = xpidl_malloc(sizeof *inc);
 191             if (argv[i][2] == '\0') {
 192                 /* is it the -I foo form? */
 193                 inc->directory = argv[++i];
 194             } else {
 195                 /* must be the -Ifoo form.  Don't preincrement i. */
 196                 inc->directory = argv[i] + 2;
 197             }
 198 #ifdef DEBUG_shaver_includes
 199             fprintf(stderr, "adding %s to include path\n", inc->directory);
 200 #endif
 201             inc->next = NULL;
 202             *inc_tail = inc;
 203             inc_tail = &inc->next;
 204             break;
 205           case 'o':
 206             if (i == argc) {
 207                 fprintf(stderr, "ERROR: missing basename after -o\n");
 208                 xpidl_usage(argc, argv);
 209                 return 1;
 210             }
 211             file_basename = argv[++i];
 212             explicit_output_filename = FALSE;
 213             break;
 214           case 'e':
 215             if (i == argc) {
 216                 fprintf(stderr, "ERROR: missing basename after -e\n");
 217                 xpidl_usage(argc, argv);
 218                 return 1;
 219             }
 220             file_basename = argv[++i];
 221             explicit_output_filename = TRUE;
 222             break;
 223           case 'd':
 224             if (!explicit_output_filename) {
 225                 fprintf(stderr, "ERROR: -d requires -e\n");
 226                 xpidl_usage(argc, argv);
 227                 return 1;
 228             }
 229             if (i == argc) {
 230                 fprintf(stderr, "ERROR: missing filename after -d\n");
 231                 xpidl_usage(argc, argv);
 232                 return 1;
 233             }
 234             deps = fopen(argv[++i], "w");
 235             if (deps)
 236                 fprintf(deps, "%s:", file_basename);
 237             break;
 238           case 'm':
 239             if (i + 1 == argc) {
 240                 fprintf(stderr, "ERROR: missing modename after -m\n");
 241                 xpidl_usage(argc, argv);
 242                 return 1;
 243             }
 244             if (mode) {
 245                 fprintf(stderr,
 246                         "ERROR: must specify exactly one mode "
 247                         "(first \"%s\", now \"%s\")\n", mode->mode,
 248                         argv[i + 1]);
 249                 xpidl_usage(argc, argv);
 250                 return 1;
 251             }
 252             mode = FindMode(argv[++i]);
 253             if (!mode) {
 254                 fprintf(stderr, "ERROR: unknown mode \"%s\"\n", argv[i]);
 255                 xpidl_usage(argc, argv);
 256                 return 1;
 257             }
 258             break;
 259           default:
 260             fprintf(stderr, "unknown option %s\n", argv[i]);
 261             xpidl_usage(argc, argv);
 262             return 1;
 263         }
 264     }
 265  done_options:
 266     if (!mode) {
 267         fprintf(stderr, "ERROR: must specify output mode\n");
 268         xpidl_usage(argc, argv);
 269         return 1;
 270     }
 271
 272     /*
 273      * Don't try to process multiple files, given that we don't handle -o
 274      * multiply.
 275      */
 276     if (i < argc) {
 277         i = xpidl_process_idl(argv[i], inc_head, file_basename, mode);
 278     } else {
 279         if (argc > i + 1) {
 280             fprintf(stderr, "ERROR: extra arguments after input file\n");
 281         } else {
 282             fprintf(stderr, "ERROR: no file to process\n");
 283         }
 284         return 1;
 285     }
 286
 287     if (deps) {
 288         fprintf(deps, "\n");
 289         fclose(deps);
 290     }
 291
 292     return !i;
 293 }