1 files changed, 41 insertions, 0 deletions
diff --git a/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.TypeSystem/IFoldingParser.cs b/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.TypeSystem/IFoldingParser.cs
new file mode 100644
index 0000000000..66ea540bed
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+++ b/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.TypeSystem/IFoldingParser.cs
@@ -0,0 +1,41 @@
+//
+// IFoldingParser.cs
+//
+// Author:
+//       Mike Krüger <mkrueger@xamarin.com>
+//
+// Copyright (c) 2015 Xamarin Inc. (http://xamarin.com)
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+
+namespace MonoDevelop.Ide.TypeSystem
+{
+	/// <summary>
+	/// The folding parser is used for generating a preliminary parsed document that does not
+	/// contain a full dom - only some basic lexical constructs like comments or pre processor directives.
+	/// 
+	/// This is useful for opening a document the first time to have some folding regions as start that are folded by default.
+	/// Otherwise an irritating screen update will occur.
+	/// </summary>
+	public interface IFoldingParser
+	{
+		ParsedDocument Parse (string fileName, string content);
+	}
+}