Move helpers.

src/Features/Core/Portable/Structure/BlockTypes.cs

@@ -45,5 +45,58 @@ internal static class BlockTypes
         // Expressions
         public const string AnonymousMethod = nameof(AnonymousMethod);
         public const string Xml = nameof(Xml);
+
+        internal static bool IsCommentOrPreprocessorRegion(string type)
+        {
+            switch (type)
+            {
+                case BlockTypes.Comment:
+                case BlockTypes.PreprocessorRegion:
+                    return true;
+            }
+
+            return false;
+        }
+
+        internal static bool IsExpressionLevelConstruct(string type)
+        {
+            switch (type)
+            {
+                case BlockTypes.AnonymousMethod:
+                case BlockTypes.Xml:
+                    return true;
+            }
+
+            return false;
+        }
+
+        internal static bool IsStatementLevelConstruct(string type)
+        {
+            switch (type)
+            {
+                case BlockTypes.Case:
+                case BlockTypes.Conditional:
+                case BlockTypes.LocalFunction:
+                case BlockTypes.Lock:
+                case BlockTypes.Loop:
+                case BlockTypes.TryCatchFinally:
+                case BlockTypes.Using:
+                case BlockTypes.Standalone:
+                case BlockTypes.Switch:
+                    return true;
+            }
+
+            return false;
+        }
+
+        internal static bool IsCodeLevelConstruct(string type)
+        {
+            return IsExpressionLevelConstruct(type) || IsStatementLevelConstruct(type);
+        }
+
+        internal static bool IsDeclarationLevelConstruct(string type)
+        {
+            return !IsCodeLevelConstruct(type) && !IsCommentOrPreprocessorRegion(type);
+        }
     }
 }
\ No newline at end of file

src/Features/Core/Portable/Structure/Syntax/AbstractBlockStructureProvider.cs

@@ -108,9 +108,9 @@ internal static void UpdateAndAddSpans(BlockStructureContext context, ArrayBuild
         {
             var type = blockSpan.Type;
 
-            var isTopLevel = IsDeclarationLevelConstruct(type);
-            var isMemberLevel = IsCodeLevelConstruct(type);
-            var isComment = IsCommentOrPreprocessorRegion(type);
+            var isTopLevel = BlockTypes.IsDeclarationLevelConstruct(type);
+            var isMemberLevel = BlockTypes.IsCodeLevelConstruct(type);
+            var isComment = BlockTypes.IsCommentOrPreprocessorRegion(type);
 
             if (!showIndentGuidesForDeclarationLevelConstructs && isTopLevel)
             {
@@ -144,36 +144,5 @@ internal static void UpdateAndAddSpans(BlockStructureContext context, ArrayBuild
 
             return blockSpan.With(type: type, isCollapsible: isCollapsible);
         }
-
-        internal static bool IsCommentOrPreprocessorRegion(string type)
-        {
-            return type == BlockTypes.Comment || type == BlockTypes.PreprocessorRegion;
-        }
-
-        internal static bool IsCodeLevelConstruct(string type)
-        {
-            switch (type)
-            {
-                case BlockTypes.Case:
-                case BlockTypes.Conditional:
-                case BlockTypes.LocalFunction:
-                case BlockTypes.Lock:
-                case BlockTypes.Loop:
-                case BlockTypes.TryCatchFinally:
-                case BlockTypes.Using:
-                case BlockTypes.Standalone:
-                case BlockTypes.Switch:
-                case BlockTypes.AnonymousMethod:
-                case BlockTypes.Xml:
-                    return true;
-            }
-
-            return false;
-        }
-
-        internal static bool IsDeclarationLevelConstruct(string type)
-        {
-            return !IsCodeLevelConstruct(type) && !IsCommentOrPreprocessorRegion(type);
-        }
     }
 }
\ No newline at end of file