[sysprof/wip/chergert/sysprof-3] libsysprof: stub out source for appending symbols

[Christian Hergert <chergert src gnome org>]

commit 10c8b2237f0a0de4131d3e7cb52b4a8e635a4528
Author: Christian Hergert <chergert redhat com>
Date:   Mon May 27 20:57:07 2019 -0700

    libsysprof: stub out source for appending symbols

 src/libsysprof/meson.build              |  2 +
 src/libsysprof/sysprof-symbols-source.c | 92 +++++++++++++++++++++++++++++++++
 src/libsysprof/sysprof-symbols-source.h | 35 +++++++++++++
 src/libsysprof/sysprof.h                |  1 +
 4 files changed, 130 insertions(+)
---
diff --git a/src/libsysprof/meson.build b/src/libsysprof/meson.build
index d225d0c..de96044 100644
--- a/src/libsysprof/meson.build
+++ b/src/libsysprof/meson.build
@@ -19,6 +19,7 @@ libsysprof_public_sources = [
   'sysprof-source.c',
   'sysprof-symbol-dirs.c',
   'sysprof-symbol-resolver.c',
+  'sysprof-symbols-source.c',
   'sysprof-tracefd-source.c',
 ]
 
@@ -41,6 +42,7 @@ libsysprof_public_headers = [
   'sysprof-source.h',
   'sysprof-symbol-dirs.h',
   'sysprof-symbol-resolver.h',
+  'sysprof-symbols-source.h',
   'sysprof-tracefd-source.h',
   'sysprof.h',
 ]
diff --git a/src/libsysprof/sysprof-symbols-source.c b/src/libsysprof/sysprof-symbols-source.c
new file mode 100644
index 0000000..8e464ef
--- /dev/null
+++ b/src/libsysprof/sysprof-symbols-source.c
@@ -0,0 +1,92 @@
+/* sysprof-symbols-source.c
+ *
+ * Copyright 2019 Christian Hergert <chergert redhat com>
+ *
+ * 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/>.
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+#define G_LOG_DOMAIN "sysprof-symbols-source"
+
+#include "config.h"
+
+#include "sysprof-symbols-source.h"
+
+struct _SysprofSymbolsSource
+{
+  GObject               parent_instance;
+  SysprofCaptureWriter *writer;
+};
+
+static void source_iface_init (SysprofSourceInterface *iface);
+
+G_DEFINE_TYPE_WITH_CODE (SysprofSymbolsSource, sysprof_symbols_source, G_TYPE_OBJECT,
+                         G_IMPLEMENT_INTERFACE (SYSPROF_TYPE_SOURCE, source_iface_init))
+
+static void
+sysprof_symbols_source_finalize (GObject *object)
+{
+  SysprofSymbolsSource *self = (SysprofSymbolsSource *)object;
+
+  g_clear_pointer (&self->writer, sysprof_capture_writer_unref);
+
+  G_OBJECT_CLASS (sysprof_symbols_source_parent_class)->finalize (object);
+}
+
+static void
+sysprof_symbols_source_class_init (SysprofSymbolsSourceClass *klass)
+{
+  GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+  object_class->finalize = sysprof_symbols_source_finalize;
+}
+
+static void
+sysprof_symbols_source_init (SysprofSymbolsSource *self)
+{
+}
+
+static void
+sysprof_symbols_source_set_writer (SysprofSource        *source,
+                                   SysprofCaptureWriter *writer)
+{
+  SysprofSymbolsSource *self = (SysprofSymbolsSource *)source;
+
+  g_assert (SYSPROF_IS_SYMBOLS_SOURCE (self));
+  g_assert (writer != NULL);
+
+  g_clear_pointer (&self->writer, sysprof_capture_writer_unref);
+  self->writer = sysprof_capture_writer_ref (writer);
+}
+
+static void
+sysprof_symbols_source_supplement (SysprofSource        *source,
+                                   SysprofCaptureReader *reader)
+{
+  SysprofSymbolsSource *self = (SysprofSymbolsSource *)source;
+
+  g_assert (SYSPROF_IS_SYMBOLS_SOURCE (self));
+  g_assert (reader != NULL);
+  g_assert (self->writer != NULL);
+
+
+}
+
+static void
+source_iface_init (SysprofSourceInterface *iface)
+{
+  iface->set_writer = sysprof_symbols_source_set_writer;
+  iface->supplement = sysprof_symbols_source_supplement;
+}
diff --git a/src/libsysprof/sysprof-symbols-source.h b/src/libsysprof/sysprof-symbols-source.h
new file mode 100644
index 0000000..22359f9
--- /dev/null
+++ b/src/libsysprof/sysprof-symbols-source.h
@@ -0,0 +1,35 @@
+/* sysprof-symbols-source.h
+ *
+ * Copyright 2019 Christian Hergert <chergert redhat com>
+ *
+ * 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/>.
+ *
+ * SPDX-License-Identifier: GPL-3.0-or-later
+ */
+
+#pragma once
+
+#include "sysprof-source.h"
+
+G_BEGIN_DECLS
+
+#define SYSPROF_TYPE_SYMBOLS_SOURCE (sysprof_symbols_source_get_type())
+
+SYSPROF_AVAILABLE_IN_ALL
+G_DECLARE_FINAL_TYPE (SysprofSymbolsSource, sysprof_symbols_source, SYSPROF, SYMBOLS_SOURCE, GObject)
+
+SYSPROF_AVAILABLE_IN_ALL
+SysprofSource *sysprof_symbols_source_new (void);
+
+G_END_DECLS
diff --git a/src/libsysprof/sysprof.h b/src/libsysprof/sysprof.h
index 2a73501..c748c28 100644
--- a/src/libsysprof/sysprof.h
+++ b/src/libsysprof/sysprof.h
@@ -42,6 +42,7 @@ G_BEGIN_DECLS
 # include "sysprof-symbol-resolver.h"
 # include "sysprof-map-lookaside.h"
 # include "sysprof-selection.h"
+# include "sysprof-symbols-source.h"
 # include "sysprof-tracefd-source.h"
 
 #ifdef __linux__