vapigen/valavapigen.vala

   1 /* valavapigen.vala
   2  *
   3  * Copyright (C) 2006-2010  Jürg Billeter
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2.1 of the License, or (at your option) any later version.
   9
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301  USA
  18  *
  19  * Author:
  20  *      Jürg Billeter <j@bitron.ch>
  21  */
  22
  23 using GLib;
  24
  25 class Vala.VAPIGen {
  26         static string directory;
  27         static bool version;
  28         static bool quiet_mode;
  29         static bool disable_warnings;
  30         [CCode (array_length = false, array_null_terminated = true)]
  31         static string[] sources;
  32         [CCode (array_length = false, array_null_terminated = true)]
  33         static string[] vapi_directories;
  34         [CCode (array_length = false, array_null_terminated = true)]
  35         static string[] gir_directories;
  36         [CCode (array_length = false, array_null_terminated = true)]
  37         static string[] metadata_directories;
  38         static string library;
  39         [CCode (array_length = false, array_null_terminated = true)]
  40         static string[] packages;
  41         static bool nostdpkg;
  42
  43         CodeContext context;
  44
  45         const OptionEntry[] options = {
  46                 { "vapidir", 0, 0, OptionArg.FILENAME_ARRAY, ref vapi_directories, "Look for package bindings in DIRECTORY", "DIRECTORY..." },
  47                 { "girdir", 0, 0, OptionArg.FILENAME_ARRAY, ref gir_directories, "Look for GIR bindings in DIRECTORY", "DIRECTORY..." },
  48                 { "metadatadir", 0, 0, OptionArg.FILENAME_ARRAY, ref metadata_directories, "Look for GIR .metadata files in DIRECTORY", "DIRECTORY..." },
  49                 { "nostdpkg", 0, 0, OptionArg.NONE, ref nostdpkg, "Do not include standard packages", null },
  50                 { "pkg", 0, 0, OptionArg.STRING_ARRAY, ref packages, "Include binding for PACKAGE", "PACKAGE..." },
  51                 { "library", 0, 0, OptionArg.STRING, ref library, "Library name", "NAME" },
  52                 { "directory", 'd', 0, OptionArg.FILENAME, ref directory, "Output directory", "DIRECTORY" },
  53                 { "disable-warnings", 0, 0, OptionArg.NONE, ref disable_warnings, "Disable warnings", null },
  54                 { "version", 0, 0, OptionArg.NONE, ref version, "Display version number", null },
  55                 { "quiet", 'q', 0, OptionArg.NONE, ref quiet_mode, "Do not print messages to the console", null },
  56                 { OPTION_REMAINING, 0, 0, OptionArg.FILENAME_ARRAY, ref sources, null, "FILE..." },
  57                 { null }
  58         };
  59
  60         private int quit () {
  61                 if (context.report.get_errors () == 0) {
  62                         if (!quiet_mode) {
  63                                 stdout.printf ("Generation succeeded - %d warning(s)\n", context.report.get_warnings ());
  64                         }
  65                         return 0;
  66                 } else {
  67                         if (!quiet_mode) {
  68                                 stdout.printf ("Generation failed: %d error(s), %d warning(s)\n", context.report.get_errors (), context.report.get_warnings ());
  69                         }
  70                         return 1;
  71                 }
  72         }
  73
  74         private int run () {
  75                 context = new CodeContext ();
  76                 context.profile = Profile.GOBJECT;
  77                 context.vapi_directories = vapi_directories;
  78                 context.gir_directories = gir_directories;
  79                 context.metadata_directories = metadata_directories;
  80                 context.report.enable_warnings = !disable_warnings;
  81                 context.report.set_verbose_errors (!quiet_mode);
  82                 CodeContext.push (context);
  83                 context.nostdpkg = nostdpkg;
  84
  85                 if (!nostdpkg) {
  86                         /* default package */
  87                         context.add_external_package ("glib-2.0");
  88                         context.add_external_package ("gobject-2.0");
  89                 }
  90
  91                 if (context.report.get_errors () > 0) {
  92                         return quit ();
  93                 }
  94
  95                 /* load packages from .deps file */
  96                 foreach (string source in sources) {
  97                         if (!source.has_suffix (".gi")) {
  98                                 continue;
  99                         }
 100
 101                         var depsfile = source.substring (0, source.length - "gi".length) + "deps";
 102                         context.add_packages_from_file (depsfile);
 103                 }
 104
 105                 if (context.report.get_errors () > 0) {
 106                         return quit ();
 107                 }
 108
 109                 // depsfile for gir case
 110                 if (library != null) {
 111                         var depsfile = library + ".deps";
 112                         context.add_packages_from_file (depsfile);
 113                 } else {
 114                         Report.error (null, "--library option must be specified");
 115                 }
 116
 117                 if (context.report.get_errors () > 0) {
 118                         return quit ();
 119                 }
 120
 121                 if (packages != null) {
 122                         foreach (string package in packages) {
 123                                 context.add_external_package (package);
 124                         }
 125                         packages = null;
 126                 }
 127
 128                 if (context.report.get_errors () > 0) {
 129                         return quit ();
 130                 }
 131
 132                 foreach (string source in sources) {
 133                         if (FileUtils.test (source, FileTest.EXISTS)) {
 134                                 var source_file = new SourceFile (context, SourceFileType.PACKAGE, source);
 135                                 source_file.explicit = true;
 136                                 context.add_source_file (source_file);
 137                         } else {
 138                                 Report.error (null, "%s not found".printf (source));
 139                         }
 140                 }
 141
 142                 if (context.report.get_errors () > 0) {
 143                         return quit ();
 144                 }
 145
 146                 var parser = new Parser ();
 147                 parser.parse (context);
 148
 149                 if (context.report.get_errors () > 0) {
 150                         return quit ();
 151                 }
 152
 153                 var girparser = new GirParser ();
 154                 girparser.parse (context);
 155
 156                 if (context.report.get_errors () > 0) {
 157                         return quit ();
 158                 }
 159
 160                 var gidlparser = new GIdlParser ();
 161                 gidlparser.parse (context);
 162
 163                 if (context.report.get_errors () > 0) {
 164                         return quit ();
 165                 }
 166
 167                 context.check ();
 168
 169                 if (context.report.get_errors () > 0) {
 170                         return quit ();
 171                 }
 172
 173                 // interface writer ignores external packages
 174                 foreach (SourceFile file in context.get_source_files ()) {
 175                         if (file.filename.has_suffix (".vapi")) {
 176                                 continue;
 177                         }
 178                         if (file.filename in sources) {
 179                                 file.file_type = SourceFileType.SOURCE;
 180                                 if (file.filename.has_suffix (".gir")) {
 181                                         // mark relative metadata as source
 182                                         string? metadata_filename = context.get_metadata_path (file.filename);
 183                                         if (metadata_filename != null) {
 184                                                 foreach (SourceFile metadata_file in context.get_source_files ()) {
 185                                                         if (metadata_file.filename == metadata_filename) {
 186                                                                 metadata_file.file_type = SourceFileType.SOURCE;
 187                                                         }
 188                                                 }
 189                                         }
 190                                 }
 191                         }
 192                 }
 193
 194                 var interface_writer = new CodeWriter ();
 195                 var vapi_filename = "%s.vapi".printf (library);
 196                 if (directory != null) {
 197                         vapi_filename = Path.build_path ("/", directory, vapi_filename);
 198                 }
 199
 200                 interface_writer.write_file (context, vapi_filename);
 201
 202                 library = null;
 203
 204                 return quit ();
 205         }
 206
 207         static int main (string[] args) {
 208                 Intl.setlocale (LocaleCategory.ALL, "");
 209                 try {
 210                         var opt_context = new OptionContext ("- Vala API Generator");
 211                         opt_context.set_help_enabled (true);
 212                         opt_context.add_main_entries (options, null);
 213                         opt_context.parse (ref args);
 214                 } catch (OptionError e) {
 215                         stdout.printf ("%s\n", e.message);
 216                         stdout.printf ("Run '%s --help' to see a full list of available command line options.\n", args[0]);
 217                         return 1;
 218                 }
 219
 220                 if (version) {
 221                         stdout.printf ("Vala API Generator %s\n", Config.BUILD_VERSION);
 222                         return 0;
 223                 }
 224
 225                 if (sources == null) {
 226                         stderr.printf ("No source file specified.\n");
 227                         return 1;
 228                 }
 229
 230                 var vapigen = new VAPIGen ();
 231                 return vapigen.run ();
 232         }
 233 }