Fixed "Bug 1750 - [New Resolver] Crash in the editor".

1 files changed, 4 insertions, 0 deletions

diff --git a/main/src/addins/CSharpBinding/MonoDevelop.CSharp.Completion/CSharpCompletionTextEditorExtension.cs b/main/src/addins/CSharpBinding/MonoDevelop.CSharp.Completion/CSharpCompletionTextEditorExtension.cs
index eedcbc38f3..878c6307c9 100644
--- a/main/src/addins/CSharpBinding/MonoDevelop.CSharp.Completion/CSharpCompletionTextEditorExtension.cs
+++ b/main/src/addins/CSharpBinding/MonoDevelop.CSharp.Completion/CSharpCompletionTextEditorExtension.cs
@@ -172,6 +172,8 @@ namespace MonoDevelop.CSharp.Completion
 			} else if (textEditorData.CurrentMode is Mono.TextEditor.TextLinkEditMode) {
 				return null;
 			}
+			if (Unit == null || CSharpParsedFile == null)
+				return null;
 			var list = new CompletionDataList ();
 			var engine = new CSharpCompletionEngine (textEditorData.Document, this);
 			engine.ctx = ctx;
@@ -313,6 +315,8 @@ namespace MonoDevelop.CSharp.Completion
 		{
 			if (!TextEditorProperties.EnableCodeCompletion)
 				return null;
+			if (Unit == null || CSharpParsedFile == null)
+				return null;
 			var engine = new CSharpParameterCompletionEngine (textEditorData.Document, this);
 			engine.ctx = ctx;
 			engine.Unit = Unit;