[Parser] Give ExpressionStatements with an invalid expression a semicolon if there was one in the file.

ICSharpCode.NRefactory.CSharp/Parser/CSharpParser.cs

@@ -1574,6 +1574,9 @@ namespace ICSharpCode.NRefactory.CSharp
 				var expr = statementErrorExpression.Expr.Accept (this) as Expression;
 				if (expr != null)
 					result.AddChild ((Expression)expr, Roles.Expression);
+				var location = LocationsBag.GetLocations (statementErrorExpression);
+				if (location != null)
+					result.AddChild (new CSharpTokenNode (Convert (location [0])), Roles.Semicolon);
 				return result;
 			}
 			

ICSharpCode.NRefactory.Tests/CSharp/Parser/Statements/InvalidStatementsTests.cs

@@ -0,0 +1,45 @@
+//
+// InvalidStatementTests.cs
+//
+// Author:
+//       Simon Lindgren <simon.n.lindgren@gmail.com>
+//
+// Copyright (c) 2012 Simon Lindgren
+//
+// 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.
+using NUnit.Framework;
+using ICSharpCode.NRefactory.CSharp;
+using ICSharpCode.NRefactory.CSharp.Parser;
+
+namespace ICSharpCode.NRefactory.CSharp.Parser.Statements
+{
+	[TestFixture]
+	public class InvalidStatementsTests
+	{
+
+		[Test]
+		public void AsExpressionStatementPositions()
+		{
+			ExpressionStatement expr = ParseUtilCSharp.ParseStatement<ExpressionStatement>("\t\t\"\" as IEnumerable<char>;", true);
+			Assert.AreEqual(new TextLocation(1, 3), expr.StartLocation);
+			Assert.AreEqual(new TextLocation(1, 27), expr.EndLocation);
+		}
+	}
+}
+

ICSharpCode.NRefactory.Tests/ICSharpCode.NRefactory.Tests.csproj

@@ -278,6 +278,7 @@
     <Compile Include="CSharp\CodeActions\IterateViaForeachTests.cs" />
     <Compile Include="CSharp\CodeActions\ExtractFieldTests.cs" />
     <Compile Include="CSharp\CodeIssues\ValueParameterUnusedTests.cs" />
+    <Compile Include="CSharp\Parser\Statements\InvalidStatementsTests.cs" />
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\..\Mono.Cecil\Mono.Cecil.csproj">