[gnome-builder] langserv-client: add ::published-diagnostics signal

[Christian Hergert <chergert src gnome org>]

commit 51c606faad41e4ab4db3819af7cf85e01dc8638b
Author: Christian Hergert <chergert redhat com>
Date:   Wed Oct 26 14:19:09 2016 -0700

    langserv-client: add ::published-diagnostics signal
    
    This can be used by diagnostic providers to invalidate their diagnostics
    when appropriate.

 libide/langserv/ide-langserv-client.c |   19 ++++++++++++++++++-
 libide/langserv/ide-langserv-client.h |    3 +++
 2 files changed, 21 insertions(+), 1 deletions(-)
---
diff --git a/libide/langserv/ide-langserv-client.c b/libide/langserv/ide-langserv-client.c
index b04571d..e3eafe2 100644
--- a/libide/langserv/ide-langserv-client.c
+++ b/libide/langserv/ide-langserv-client.c
@@ -68,6 +68,7 @@ enum {
 };
 
 enum {
+  PUBLISHED_DIAGNOSTICS,
   NOTIFICATION,
   SUPPORTS_LANGUAGE,
   N_SIGNALS
@@ -564,6 +565,7 @@ ide_langserv_client_text_document_publish_diagnostics (IdeLangservClient *self,
     {
       g_autoptr(IdeFile) ifile = NULL;
       g_autoptr(GFile) file = NULL;
+      g_autoptr(IdeDiagnostics) diagnostics = NULL;
 
       IDE_TRACE_MSG ("Diagnostics received for %s", uri);
 
@@ -572,10 +574,13 @@ ide_langserv_client_text_document_publish_diagnostics (IdeLangservClient *self,
                             "file", file,
                             "context", ide_object_get_context (IDE_OBJECT (self)),
                             NULL);
+      diagnostics = ide_langserv_client_translate_diagnostics (self, ifile, json_diagnostics);
+
+      g_signal_emit (self, signals [PUBLISHED_DIAGNOSTICS], 0, file, diagnostics);
 
       g_hash_table_insert (priv->diagnostics_by_file,
                            g_steal_pointer (&file),
-                           ide_langserv_client_translate_diagnostics (self, ifile, json_diagnostics));
+                           g_steal_pointer (&diagnostics));
     }
 
   IDE_EXIT;
@@ -745,6 +750,18 @@ ide_langserv_client_class_init (IdeLangservClientClass *klass)
                   G_TYPE_BOOLEAN,
                   1,
                   G_TYPE_STRING | G_SIGNAL_TYPE_STATIC_SCOPE);
+
+  signals [PUBLISHED_DIAGNOSTICS] =
+    g_signal_new ("published-diagnostics",
+                  G_TYPE_FROM_CLASS (klass),
+                  G_SIGNAL_RUN_LAST,
+                  G_STRUCT_OFFSET (IdeLangservClientClass, published_diagnostics),
+                  NULL, NULL, NULL,
+                  G_TYPE_NONE,
+                  2,
+                  G_TYPE_FILE,
+                  IDE_TYPE_DIAGNOSTICS);
+
 }
 
 static void
diff --git a/libide/langserv/ide-langserv-client.h b/libide/langserv/ide-langserv-client.h
index 6c88d6e..6e6d11e 100644
--- a/libide/langserv/ide-langserv-client.h
+++ b/libide/langserv/ide-langserv-client.h
@@ -38,6 +38,9 @@ struct _IdeLangservClientClass
                                      JsonNode          *params);
   gboolean (*supports_language)     (IdeLangservClient *self,
                                      const gchar       *language_id);
+  void     (*published_diagnostics) (IdeLangservClient *self,
+                                     GFile             *file,
+                                     IdeDiagnostics    *diagnostics);
 
   gpointer _reserved1;
   gpointer _reserved2;