[gnome-builder] diagnostics: update diagnostics after successful build

[Christian Hergert <chergert src gnome org>]

commit b76fec5b1ae7f6a3b27dd572a1be8636fbf34229
Author: Christian Hergert <chergert redhat com>
Date:   Wed Jan 10 15:59:05 2018 -0800

    diagnostics: update diagnostics after successful build
    
    After we complete a successful build, request that diagnostics be re-run
    for the open buffers. This helps when changing things in dependent files
    and "building" to test.

 src/libide/buildsystem/ide-build-manager.c       |   25 ++++++++++++++++++++
 src/libide/diagnostics/ide-diagnostics-manager.c |   27 ++++++++++++++++++++++
 src/libide/diagnostics/ide-diagnostics-manager.h |    3 ++
 3 files changed, 55 insertions(+), 0 deletions(-)
---
diff --git a/src/libide/buildsystem/ide-build-manager.c b/src/libide/buildsystem/ide-build-manager.c
index 258aa80..99acea2 100644
--- a/src/libide/buildsystem/ide-build-manager.c
+++ b/src/libide/buildsystem/ide-build-manager.c
@@ -24,6 +24,7 @@
 #include "ide-context.h"
 #include "ide-debug.h"
 
+#include "buffers/ide-buffer.h"
 #include "buffers/ide-buffer-manager.h"
 #include "buildsystem/ide-build-manager.h"
 #include "buildsystem/ide-build-pipeline.h"
@@ -31,6 +32,7 @@
 #include "buildsystem/ide-configuration-manager.h"
 #include "buildsystem/ide-configuration.h"
 #include "diagnostics/ide-diagnostic.h"
+#include "diagnostics/ide-diagnostics-manager.h"
 #include "runtimes/ide-runtime.h"
 #include "runtimes/ide-runtime-manager.h"
 
@@ -520,10 +522,33 @@ static void
 ide_build_manager_real_build_finished (IdeBuildManager  *self,
                                        IdeBuildPipeline *pipeline)
 {
+  IdeDiagnosticsManager *diagnostics;
+  IdeBufferManager *bufmgr;
+  IdeContext *context;
+  guint n_items;
+
   g_assert (IDE_IS_BUILD_MANAGER (self));
   g_assert (IDE_IS_BUILD_PIPELINE (pipeline));
 
   ide_build_manager_stop_timer (self);
+
+  /*
+   * We had a successful build, so lets notify the build manager to reload
+   * dianostics on loaded buffers so the user doesn't have to make a change
+   * to force the update.
+   */
+
+  context = ide_object_get_context (IDE_OBJECT (self));
+  diagnostics = ide_context_get_diagnostics_manager (context);
+  bufmgr = ide_context_get_buffer_manager (context);
+  n_items = g_list_model_get_n_items (G_LIST_MODEL (bufmgr));
+
+  for (guint i = 0; i < n_items; i++)
+    {
+      g_autoptr(IdeBuffer) buffer = g_list_model_get_item (G_LIST_MODEL (bufmgr), i);
+
+      ide_diagnostics_manager_rediagnose (diagnostics, buffer);
+    }
 }
 
 static void
diff --git a/src/libide/diagnostics/ide-diagnostics-manager.c 
b/src/libide/diagnostics/ide-diagnostics-manager.c
index 7dd142c..22577c7 100644
--- a/src/libide/diagnostics/ide-diagnostics-manager.c
+++ b/src/libide/diagnostics/ide-diagnostics-manager.c
@@ -1278,3 +1278,30 @@ ide_diagnostics_manager_get_sequence_for_file (IdeDiagnosticsManager *self,
 
   return 0;
 }
+
+/**
+ * ide_diagnostics_manager_rediagnose:
+ * @self: an #IdeDiagnosticsManager
+ * @buffer: an #IdeBuffer
+ *
+ * Requests that the diagnostics be reloaded for @buffer.
+ *
+ * You may want to call this if you changed something that a buffer depends on,
+ * and want to seamlessly update its diagnostics with that updated information.
+ *
+ * Internally, this is the same as @buffer emitting the #IdeBuffer::changed
+ * signal.
+ *
+ * Since: 3.28
+ */
+void
+ide_diagnostics_manager_rediagnose (IdeDiagnosticsManager *self,
+                                    IdeBuffer             *buffer)
+{
+  g_return_if_fail (IDE_IS_DIAGNOSTICS_MANAGER (self));
+  g_return_if_fail (IDE_IS_BUFFER (buffer));
+  g_return_if_fail (ide_buffer_get_context (buffer) ==
+                    ide_object_get_context (IDE_OBJECT (self)));
+
+  ide_diagnostics_manager_buffer_changed (self, buffer);
+}
diff --git a/src/libide/diagnostics/ide-diagnostics-manager.h 
b/src/libide/diagnostics/ide-diagnostics-manager.h
index f6c1717..da4535b 100644
--- a/src/libide/diagnostics/ide-diagnostics-manager.h
+++ b/src/libide/diagnostics/ide-diagnostics-manager.h
@@ -42,5 +42,8 @@ IDE_AVAILABLE_IN_ALL
 void            ide_diagnostics_manager_update_group_by_file     (IdeDiagnosticsManager *self,
                                                                   IdeBuffer             *buffer,
                                                                   GFile                 *new_file);
+IDE_AVAILABLE_IN_3_28
+void            ide_diagnostics_manager_rediagnose               (IdeDiagnosticsManager *self,
+                                                                  IdeBuffer             *buffer);
 
 G_END_DECLS