[gnome-builder/1074-vala-language-server-add-support-using-gvls: 22/23] GVls: enable Diagnostic Provider

[Daniel Espinosa Ortiz <despinosa src gnome org>]

commit c1a4eff5ab3b2849f9f7a9fc0b814232fe2aa42f
Author: Daniel Espinosa Ortiz <esodan gmail com>
Date:   Thu Dec 5 09:11:55 2019 -0600

    GVls: enable Diagnostic Provider

 src/plugins/gvls/gvls.plugin    | 1 +
 src/plugins/gvls/gvls_plugin.py | 4 ++++
 2 files changed, 5 insertions(+)
---
diff --git a/src/plugins/gvls/gvls.plugin b/src/plugins/gvls/gvls.plugin
index 319ff2776..8695ed0da 100644
--- a/src/plugins/gvls/gvls.plugin
+++ b/src/plugins/gvls/gvls.plugin
@@ -12,3 +12,4 @@ X-Completion-Provider-Languages=vala
 X-Completion-Provider-Languages-Priority=0
 X-Highlighter-Languages=vala
 X-Symbol-Resolver-Languages=vala
+X-Diagnostic-Provider-Languages=vala
diff --git a/src/plugins/gvls/gvls_plugin.py b/src/plugins/gvls/gvls_plugin.py
index 9ba613df0..c7f5afd7b 100644
--- a/src/plugins/gvls/gvls_plugin.py
+++ b/src/plugins/gvls/gvls_plugin.py
@@ -216,3 +216,7 @@ class GVlsSymbolResolver(Ide.LspSymbolResolver):
     def do_load(self):
         GVlsService.bind_client(self)
 
+
+class GVlsDiagnosticProvider(Ide.LspDiagnosticProvider):
+    def do_load(self):
+        GVlsService.bind_client(self)