[file-roller/wip/jtojnar/gtk4: 14/16] Add support for introspection

[Jan Tojnar <jtojnar src gnome org>]

commit 965c3ce2a8ba6f0dfe31f4ae51198609d96f32ba
Author: Jan Tojnar <jtojnar gmail com>
Date:   Tue Dec 21 02:46:29 2021 +0100

    Add support for introspection
    
    It is required for Tartan to properly analyze our types.

 meson.build          |  7 ++++++
 meson_options.txt    |  6 +++++
 src/fr-application.c | 24 ++++++++++++++++++++
 src/meson.build      | 64 +++++++++++++++++++++++++++++++++++++++++++++++++++-
 4 files changed, 100 insertions(+), 1 deletion(-)
---
diff --git a/meson.build b/meson.build
index 8b6838cb..f38cb604 100644
--- a/meson.build
+++ b/meson.build
@@ -31,6 +31,10 @@ gtk_dep = dependency('gtk+-3.0', version : gtk_version)
 hdy_dep = dependency('libhandy-1', version: hdy_version)
 
 # Optional dependencies
+use_gobject_introspection = get_option('introspection')
+if use_gobject_introspection
+  gobject_introspection_dep = dependency('gobject-introspection-1.0')
+endif
 
 libnautilus_extension_dep = dependency('libnautilus-extension', version : nautilus_version, required : 
get_option('nautilus-actions'))
 build_nautilus_actions = libnautilus_extension_dep.found()
@@ -73,6 +77,9 @@ else
   config_data.set_quoted('UIDIR', join_paths(datadir, meson.project_name(), 'ui'))
   config_data.set_quoted('SHDIR', join_paths(prefix, get_option('libexecdir'), meson.project_name()))  
 endif
+if use_gobject_introspection
+  config_data.set('ENABLE_INTROSPECTION', 1)
+endif
 if use_json_glib
   config_data.set('HAVE_JSON_GLIB', 1)
 endif
diff --git a/meson_options.txt b/meson_options.txt
index 662cc8ef..6040c516 100644
--- a/meson_options.txt
+++ b/meson_options.txt
@@ -33,3 +33,9 @@ option('cpio',
   value : 'auto',
   description : 'Path to the cpio program'
 )
+
+option('introspection',
+  type : 'boolean',
+  value : false,
+  description : 'Generate introspection data for the executable (e.g. for static analysis)'
+)
diff --git a/src/fr-application.c b/src/fr-application.c
index e29d29c0..abcec378 100644
--- a/src/fr-application.c
+++ b/src/fr-application.c
@@ -32,6 +32,9 @@
 #ifdef ENABLE_NOTIFICATION
 #  include <libnotify/notify.h>
 #endif
+#ifdef ENABLE_INTROSPECTION
+#  include <girepository.h>
+#endif
 #include "file-utils.h"
 #include "fr-application.h"
 #include "fr-application-menu.h"
@@ -55,6 +58,9 @@ static gboolean     arg_version = FALSE;
 static gboolean     arg_service = FALSE;
 static gboolean     arg_notify = FALSE;
 static const char  *program_argv0 = NULL; /* argv[0] from main(); used as the command to restart the program 
*/
+#ifdef ENABLE_INTROSPECTION
+static char        *introspection_dump = NULL;
+#endif
 
 
 static const GOptionEntry options[] = {
@@ -95,6 +101,12 @@ static const GOptionEntry options[] = {
        { "version", 'v', 0, G_OPTION_ARG_NONE, &arg_version,
          N_("Show version"), NULL },
 
+#ifdef ENABLE_INTROSPECTION
+       { "introspect-dump", '\0', 0, G_OPTION_ARG_STRING, &introspection_dump,
+         N_("Dump gobject introspection file"),
+         N_("input.txt,output.xml") },
+#endif
+
        { G_OPTION_REMAINING, 0, 0, G_OPTION_ARG_STRING_ARRAY, &remaining_args,
          NULL,
          NULL },
@@ -553,6 +565,18 @@ fr_application_command_line (GApplication            *application,
        g_strfreev (argv);
        g_option_context_free (context);
 
+#ifdef ENABLE_INTROSPECTION
+       if (introspection_dump) {
+               if (!g_irepository_dump (introspection_dump, &error)) {
+                       g_critical ("Failed to dump introspection data: %s", error->message);
+                       g_error_free (error);
+                       return fr_application_command_line_finished (application, EXIT_FAILURE);
+               }
+
+               return fr_application_command_line_finished (application, EXIT_SUCCESS);
+       }
+#endif
+
        if (remaining_args == NULL) { /* No archive specified. */
                if (! arg_service)
                        gtk_widget_show (fr_window_new ());
diff --git a/src/meson.build b/src/meson.build
index c0d2fb9e..850f322f 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -56,11 +56,50 @@ source_files = files(
   'preferences.c',
   'rar-utils.c'
 )
+
+fr_headers = files(
+  'fr-application-menu.h',
+  'fr-application.h',
+  'fr-archive.h',
+  'fr-command-7z.h',
+  'fr-command-ace.h',
+  'fr-command-alz.h',
+  'fr-command-ar.h',
+  'fr-command-arj.h',
+  'fr-command-cfile.h',
+  'fr-command-cpio.h',
+  'fr-command-dpkg.h',
+  'fr-command-iso.h',
+  'fr-command-jar.h',
+  'fr-command-lha.h',
+  'fr-command-lrzip.h',
+  'fr-command-rar.h',
+  'fr-command-rpm.h',
+  'fr-command-tar.h',
+  'fr-command-unsquashfs.h',
+  'fr-command-unstuff.h',
+  'fr-command-zip.h',
+  'fr-command-zoo.h',
+  'fr-command.h',
+  'fr-error.h',
+  'fr-file-selector-dialog.h',
+  'fr-init.h',
+  'fr-list-model.h',
+  'fr-location-bar.h',
+  'fr-new-archive-dialog.h',
+  'fr-process.h',
+  'fr-window-actions-callbacks.h',
+  'fr-window-actions-entries.h',
+  'fr-window.h',
+)
+
 if libjson_glib_dep.found()
   source_files += [ 'fr-command-unarchiver.c' ]
+  fr_headers += [ 'fr-command-unarchiver.h' ]
 endif
 if use_libarchive
   source_files += [ 'fr-archive-libarchive.c' ]
+  fr_headers += [ 'fr-archive-libarchive.h' ]
 endif 
 if not have_mkdtemp
   source_files += [ 'mkdtemp.c' ]
@@ -76,7 +115,7 @@ enum_files = gnome.mkenums_simple('fr-enum-types',
 
 # Build targets
 
-executable('file-roller', 
+fr_exe = executable('file-roller',
   sources : [ 
     config_file, 
     source_files, 
@@ -91,15 +130,38 @@ executable('file-roller',
     gthread_dep, 
     gtk_dep, 
     hdy_dep,
+    use_gobject_introspection ? gobject_introspection_dep : [],
     use_json_glib ? libjson_glib_dep : [],
     use_libnotify ? libnotify_dep : [],
     use_libarchive ? libarchive_dep : []
   ],
+  link_args: [
+    # Required for GIRepository to be able to dump symbols.
+    use_gobject_introspection ? '-Wl,--export-dynamic' : [],
+  ],
   include_directories : config_inc,
   c_args : c_args,
   install : true
 )
 
+if use_gobject_introspection
+  fr_gir = gnome.generate_gir(
+    fr_exe,
+    sources: [
+      source_files,
+      fr_headers,
+    ],
+    namespace: 'FileRoller',
+    nsversion: '1.0',
+    identifier_prefix: 'Fr',
+    includes : [
+      'Gio-2.0',
+      'GObject-2.0',
+      'Gtk-3.0',
+    ],
+  )
+endif
+
 executable('test-server', 'test-server.c',
   dependencies : [ 
     libm_dep,