[gnome-builder] ctags: add ctags IdeService
- From: Christian Hergert <chergert src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gnome-builder] ctags: add ctags IdeService
- Date: Sat, 16 May 2015 03:29:45 +0000 (UTC)
commit 22df913a3213a30ef1d3963b12755d7ce7803789
Author: Christian Hergert <christian hergert me>
Date: Fri May 15 20:28:09 2015 -0700
ctags: add ctags IdeService
Starts up with the context, but tags files are not parsed until necessary.
libide/Makefile.am | 2 +
libide/ctags/ide-ctags-service.c | 327 ++++++++++++++++++++++++++++++++++++++
libide/ctags/ide-ctags-service.h | 36 ++++
libide/ide.c | 5 +
4 files changed, 370 insertions(+), 0 deletions(-)
---
diff --git a/libide/Makefile.am b/libide/Makefile.am
index 82645b3..8878b20 100644
--- a/libide/Makefile.am
+++ b/libide/Makefile.am
@@ -225,6 +225,8 @@ libide_1_0_la_SOURCES = \
clang/ide-clang-translation-unit.h \
ctags/ide-ctags-index.c \
ctags/ide-ctags-index.h \
+ ctags/ide-ctags-service.c \
+ ctags/ide-ctags-service.h \
devhelp/ide-devhelp-search-provider.c \
devhelp/ide-devhelp-search-provider.h \
editorconfig/editorconfig-glib.c \
diff --git a/libide/ctags/ide-ctags-service.c b/libide/ctags/ide-ctags-service.c
new file mode 100644
index 0000000..ba463bb
--- /dev/null
+++ b/libide/ctags/ide-ctags-service.c
@@ -0,0 +1,327 @@
+/* ide-ctags-service.c
+ *
+ * Copyright (C) 2015 Christian Hergert <christian hergert me>
+ *
+ * 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 3 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#define G_LOG_DOMAIN "ide-ctags-service"
+
+#include <glib/gi18n.h>
+#include <gtksourceview/gtksource.h>
+
+#include "egg-task-cache.h"
+
+#include "ide-context.h"
+#include "ide-ctags-completion-provider.h"
+#include "ide-ctags-service.h"
+#include "ide-ctags-index.h"
+#include "ide-debug.h"
+#include "ide-vcs.h"
+
+struct _IdeCtagsService
+{
+ IdeService parent_instance;
+
+ GtkSourceCompletionProvider *provider;
+ EggTaskCache *indexes;
+ GCancellable *cancellable;
+
+ guint miner_ran : 1;
+};
+
+G_DEFINE_TYPE (IdeCtagsService, ide_ctags_service, IDE_TYPE_SERVICE)
+
+static void
+ide_ctags_service_build_index_init_cb (GObject *object,
+ GAsyncResult *result,
+ gpointer user_data)
+{
+ IdeCtagsIndex *index = (IdeCtagsIndex *)object;
+ g_autoptr(GTask) task = user_data;
+ GError *error = NULL;
+
+ g_assert (IDE_IS_CTAGS_INDEX (index));
+ g_assert (G_IS_TASK (task));
+
+ if (!g_async_initable_init_finish (G_ASYNC_INITABLE (index), result, &error))
+ g_task_return_error (task, error);
+ else
+ g_task_return_pointer (task, g_object_ref (index), g_object_unref);
+}
+
+static void
+ide_ctags_service_build_index_cb (EggTaskCache *cache,
+ gconstpointer key,
+ GTask *task,
+ gpointer user_data)
+{
+ IdeCtagsService *self = user_data;
+ g_autoptr(IdeCtagsIndex) index = NULL;
+ GFile *file = (GFile *)key;
+ g_autofree gchar *uri = NULL;
+
+ IDE_ENTRY;
+
+ g_assert (IDE_IS_CTAGS_SERVICE (self));
+ g_assert (key != NULL);
+ g_assert (G_IS_FILE (key));
+ g_assert (G_IS_TASK (task));
+
+
+ index = ide_ctags_index_new (file);
+
+ uri = g_file_get_uri (file);
+ g_debug ("Building ctags index for %s", uri);
+
+ g_async_initable_init_async (G_ASYNC_INITABLE (index),
+ G_PRIORITY_DEFAULT,
+ g_task_get_cancellable (task),
+ ide_ctags_service_build_index_init_cb,
+ g_object_ref (task));
+
+ IDE_EXIT;
+}
+
+static void
+ide_ctags_service_tags_loaded_cb (GObject *object,
+ GAsyncResult *result,
+ gpointer user_data)
+{
+ EggTaskCache *cache = (EggTaskCache *)object;
+ g_autoptr(IdeCtagsService) self = user_data;
+ g_autoptr(IdeCtagsIndex) index = NULL;
+
+ g_assert (EGG_IS_TASK_CACHE (cache));
+ g_assert (IDE_IS_CTAGS_SERVICE (self));
+ g_assert (self->provider != NULL);
+ g_assert (IDE_IS_CTAGS_COMPLETION_PROVIDER (self->provider));
+
+ if ((index = egg_task_cache_get_finish (cache, result, NULL)))
+ {
+ g_assert (IDE_IS_CTAGS_INDEX (index));
+ ide_ctags_completion_provider_add_index (IDE_CTAGS_COMPLETION_PROVIDER (self->provider),
+ index);
+ }
+}
+
+static gboolean
+do_load (gpointer data)
+{
+ struct {
+ IdeCtagsService *self;
+ GFile *file;
+ } *pair = data;
+
+ egg_task_cache_get_async (pair->self->indexes,
+ pair->file,
+ TRUE,
+ pair->self->cancellable,
+ ide_ctags_service_tags_loaded_cb,
+ g_object_ref (pair->self));
+
+ g_object_unref (pair->self);
+ g_object_unref (pair->file);
+ g_slice_free1 (sizeof *pair, pair);
+
+ return G_SOURCE_REMOVE;
+}
+
+static void
+ide_ctags_service_load_tags (IdeCtagsService *self,
+ GFile *file)
+{
+ struct {
+ IdeCtagsService *self;
+ GFile *file;
+ } *pair;
+
+ g_assert (IDE_IS_CTAGS_SERVICE (self));
+ g_assert (G_IS_FILE (file));
+
+ pair = g_slice_alloc0 (sizeof *pair);
+ pair->self = g_object_ref (self);
+ pair->file = g_object_ref (file);
+ g_timeout_add (0, do_load, pair);
+}
+
+static void
+ide_ctags_service_mine_directory (IdeCtagsService *self,
+ GFile *directory,
+ gboolean recurse,
+ GCancellable *cancellable)
+{
+ GFileEnumerator *enumerator = NULL;
+ gpointer infoptr;
+ GFile *child;
+
+ g_assert (IDE_IS_CTAGS_SERVICE (self));
+ g_assert (G_IS_FILE (directory));
+ g_assert (!cancellable || G_IS_CANCELLABLE (cancellable));
+
+ if (g_cancellable_is_cancelled (cancellable))
+ return;
+
+ child = g_file_get_child (directory, "tags");
+ if (g_file_query_file_type (child, 0, cancellable) == G_FILE_TYPE_REGULAR)
+ ide_ctags_service_load_tags (self, child);
+ g_clear_object (&child);
+
+ if (!recurse)
+ return;
+
+ enumerator = g_file_enumerate_children (directory,
+ G_FILE_ATTRIBUTE_STANDARD_NAME","
+ G_FILE_ATTRIBUTE_STANDARD_TYPE,
+ G_FILE_QUERY_INFO_NONE,
+ cancellable,
+ NULL);
+
+ while ((infoptr = g_file_enumerator_next_file (enumerator, cancellable, NULL)))
+ {
+ g_autoptr(GFileInfo) file_info = infoptr;
+ const gchar *name = g_file_info_get_name (file_info);
+ GFileType type = g_file_info_get_file_type (file_info);
+
+ if (type == G_FILE_TYPE_DIRECTORY)
+ {
+ child = g_file_get_child (directory, name);
+ ide_ctags_service_mine_directory (self, child, recurse, cancellable);
+ g_clear_object (&child);
+ }
+ }
+
+ g_file_enumerator_close (enumerator, cancellable, NULL);
+
+ g_object_unref (enumerator);
+}
+
+static void
+ide_ctags_service_miner (GTask *task,
+ gpointer source_object,
+ gpointer task_data,
+ GCancellable *cancellable)
+{
+ IdeCtagsService *self = source_object;
+ IdeContext *context;
+ IdeVcs *vcs;
+ GFile *file;
+
+ g_assert (G_IS_TASK (task));
+ g_assert (IDE_IS_CTAGS_SERVICE (self));
+
+ context = ide_object_get_context (IDE_OBJECT (self));
+ vcs = ide_context_get_vcs (context);
+ file = g_object_ref (ide_vcs_get_working_directory (vcs));
+ /* now we can release our hold on the context */
+ ide_object_release (IDE_OBJECT (self));
+ ide_ctags_service_mine_directory (self, file, TRUE, cancellable);
+ g_object_unref (file);
+
+ file = g_file_new_for_path (g_get_home_dir ());
+ ide_ctags_service_mine_directory (self, file, FALSE, cancellable);
+ g_object_unref (file);
+
+ file = g_file_new_for_path ("/usr/include");
+ ide_ctags_service_mine_directory (self, file, TRUE, cancellable);
+ g_object_unref (file);
+}
+
+static void
+ide_ctags_service_mine (IdeCtagsService *self)
+{
+ g_autoptr(GTask) task = NULL;
+
+ g_return_if_fail (IDE_IS_CTAGS_SERVICE (self));
+
+ /* prevent unloading until we release from worker thread */
+ ide_object_hold (IDE_OBJECT (self));
+
+ self->cancellable = g_cancellable_new ();
+
+ task = g_task_new (self, self->cancellable, NULL, NULL);
+ g_task_run_in_thread (task, ide_ctags_service_miner);
+}
+
+GtkSourceCompletionProvider *
+ide_ctags_service_get_provider (IdeCtagsService *self)
+{
+ g_return_val_if_fail (IDE_IS_CTAGS_SERVICE (self), NULL);
+
+ if (!self->miner_ran)
+ {
+ self->miner_ran = TRUE;
+ ide_ctags_service_mine (self);
+ }
+
+ return self->provider;
+}
+
+static void
+ide_ctags_service_stop (IdeService *service)
+{
+ IdeCtagsService *self = (IdeCtagsService *)service;
+
+ g_return_if_fail (IDE_IS_CTAGS_SERVICE (self));
+
+ if (self->cancellable && !g_cancellable_is_cancelled (self->cancellable))
+ g_cancellable_cancel (self->cancellable);
+
+ g_clear_object (&self->cancellable);
+}
+
+static void
+ide_ctags_service_finalize (GObject *object)
+{
+ IdeCtagsService *self = (IdeCtagsService *)object;
+
+ IDE_ENTRY;
+
+ g_clear_object (&self->indexes);
+ g_clear_object (&self->provider);
+ g_clear_object (&self->cancellable);
+
+ G_OBJECT_CLASS (ide_ctags_service_parent_class)->finalize (object);
+
+ IDE_EXIT;
+}
+
+static void
+ide_ctags_service_class_init (IdeCtagsServiceClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+ IdeServiceClass *service_class = IDE_SERVICE_CLASS (klass);
+
+ object_class->finalize = ide_ctags_service_finalize;
+
+ service_class->stop = ide_ctags_service_stop;
+}
+
+static void
+ide_ctags_service_init (IdeCtagsService *self)
+{
+ self->provider = g_object_new (IDE_TYPE_CTAGS_COMPLETION_PROVIDER,
+ NULL);
+
+ self->indexes = egg_task_cache_new ((GHashFunc)g_file_hash,
+ (GEqualFunc)g_file_equal,
+ g_object_ref,
+ g_object_unref,
+ g_object_ref,
+ g_object_unref,
+ 0,
+ ide_ctags_service_build_index_cb,
+ self,
+ NULL);
+}
diff --git a/libide/ctags/ide-ctags-service.h b/libide/ctags/ide-ctags-service.h
new file mode 100644
index 0000000..3f335c7
--- /dev/null
+++ b/libide/ctags/ide-ctags-service.h
@@ -0,0 +1,36 @@
+/* ide-ctags-service.h
+ *
+ * Copyright (C) 2015 Christian Hergert <christian hergert me>
+ *
+ * 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 3 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef IDE_CTAGS_SERVICE_H
+#define IDE_CTAGS_SERVICE_H
+
+#include <gtksourceview/gtksource.h>
+
+#include "ide-service.h"
+
+G_BEGIN_DECLS
+
+#define IDE_TYPE_CTAGS_SERVICE (ide_ctags_service_get_type())
+
+G_DECLARE_FINAL_TYPE (IdeCtagsService, ide_ctags_service, IDE, CTAGS_SERVICE, IdeService)
+
+GtkSourceCompletionProvider *ide_ctags_service_get_provider (IdeCtagsService *self);
+
+G_END_DECLS
+
+#endif /* IDE_CTAGS_SERVICE_H */
diff --git a/libide/ide.c b/libide/ide.c
index d61ac71..0cb3d4e 100644
--- a/libide/ide.c
+++ b/libide/ide.c
@@ -28,6 +28,7 @@
#include "ide-autotools-project-miner.h"
#include "ide-c-language.h"
#include "ide-clang-service.h"
+#include "ide-ctags-service.h"
#include "ide-devhelp-search-provider.h"
#include "ide-device-provider.h"
#include "ide-directory-build-system.h"
@@ -182,6 +183,10 @@ ide_init_ctor (void)
IDE_SERVICE_EXTENSION_POINT".clang",
-100);
g_io_extension_point_implement (IDE_SERVICE_EXTENSION_POINT,
+ IDE_TYPE_CTAGS_SERVICE,
+ IDE_SERVICE_EXTENSION_POINT".ctags",
+ -100);
+ g_io_extension_point_implement (IDE_SERVICE_EXTENSION_POINT,
IDE_TYPE_GCA_SERVICE,
IDE_SERVICE_EXTENSION_POINT".gca",
-200);
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