Fixed some compiler warnings.

ICSharpCode.NRefactory.CSharp/Completion/CSharpCompletionEngine.cs

@@ -1787,7 +1787,7 @@ namespace ICSharpCode.NRefactory.CSharp.Completion
 			return "";
 		}
 		
-		static CSharpAmbience amb = new CSharpAmbience();
+//		static CSharpAmbience amb = new CSharpAmbience();
 		
 		class Category : CompletionCategory
 		{

ICSharpCode.NRefactory.CSharp/Parser/mcs/cs-tokenizer.cs

@@ -1572,7 +1572,7 @@ namespace Mono.CSharp
 #endif
 			number_pos = 0;
 			var loc = Location;
-			bool hasLeadingDot = c == '.';
+//			bool hasLeadingDot = c == '.';
 
 			if (c >= '0' && c <= '9'){
 				if (c == '0'){

ICSharpCode.NRefactory.CSharp/Parser/mcs/statement.cs

@@ -2076,8 +2076,8 @@ namespace Mono.CSharp {
 		static int id;
 		public int ID = id++;
 
-		static int clone_id_counter;
-		int clone_id;
+//		static int clone_id_counter;
+//		int clone_id;
 #endif
 
 //		int assignable_slots;
@@ -2396,7 +2396,7 @@ namespace Mono.CSharp {
 		{
 			Block target = (Block) t;
 #if DEBUG
-			target.clone_id = clone_id_counter++;
+//			target.clone_id = clone_id_counter++;
 #endif
 
 			clonectx.AddBlockMap (this, target);

ICSharpCode.NRefactory.CSharp/Refactoring/CodeActions/ExtractMethod/VariableUsageAnalyzation.cs

@@ -40,7 +40,7 @@ namespace ICSharpCode.NRefactory.CSharp.Refactoring.ExtractMethod
 	
 	public class VariableUsageAnalyzation : DepthFirstAstVisitor
 	{
-		readonly RefactoringContext context;
+//		readonly RefactoringContext context;
 		readonly List<IVariable> usedVariables;
 		
 		Dictionary<IVariable, VariableState> states = new Dictionary<IVariable, VariableState> ();
@@ -50,7 +50,7 @@ namespace ICSharpCode.NRefactory.CSharp.Refactoring.ExtractMethod
 		
 		public VariableUsageAnalyzation (RefactoringContext context, List<IVariable> usedVariables)
 		{
-			this.context = context;
+//			this.context = context;
 			this.usedVariables = usedVariables;
 		}
 

ICSharpCode.NRefactory.CSharp/Refactoring/CodeActions/ImplementAbstractMembersAction.cs

@@ -67,7 +67,7 @@ namespace ICSharpCode.NRefactory.CSharp.Refactoring
 
 		public static List<IMember> CollectMembersToImplement(ITypeDefinition implementingType, IType abstractType)
 		{
-			var def = abstractType.GetDefinition();
+//			var def = abstractType.GetDefinition();
 			var toImplement = new List<IMember>();
 			bool alreadyImplemented;
 			

ICSharpCode.NRefactory.CSharp/Refactoring/CodeActions/MoveToOuterScopeAction.cs

@@ -103,7 +103,7 @@ namespace ICSharpCode.NRefactory.CSharp.Refactoring
 				if (localResolveResult == null)
 					continue;
 				bool referenceFound = false;
-				var variable = localResolveResult.Variable;
+//				var variable = localResolveResult.Variable;
 				var syntaxTree = context.RootNode as SyntaxTree;
 				referenceFinder.FindLocalReferences(localResolveResult.Variable, context.UnresolvedFile, syntaxTree,
 				                                    context.Compilation, (node, nodeResolveResult) => {

ICSharpCode.NRefactory.CSharp/Refactoring/CodeIssues/ConditionalToNullCoalescingIssue.cs

@@ -62,11 +62,11 @@ namespace ICSharpCode.NRefactory.CSharp.Refactoring
 		
 		class GatherVisitor : GatherVisitorBase
 		{
-			readonly ConditionalToNullCoalescingIssue inspector;
+//			readonly ConditionalToNullCoalescingIssue inspector;
 			
 			public GatherVisitor (BaseRefactoringContext ctx, ConditionalToNullCoalescingIssue inspector) : base (ctx)
 			{
-				this.inspector = inspector;
+//				this.inspector = inspector;
 			}
 
 			public override void VisitConditionalExpression(ConditionalExpression conditionalExpression)

ICSharpCode.NRefactory.CSharp/Refactoring/CodeIssues/ExpressionIsAlwaysOfProvidedTypeIssue.cs

@@ -59,7 +59,7 @@ namespace ICSharpCode.NRefactory.CSharp.Refactoring
 				var type = ctx.Resolve (isExpression.Expression).Type;
 				var providedType = ctx.ResolveType (isExpression.Type);
 
-				var foundConversion = conversions.ImplicitConversion(type, providedType);
+//				var foundConversion = conversions.ImplicitConversion(type, providedType);
 				if (!IsValidReferenceOrBoxingConversion(type, providedType))
 					return;
 

ICSharpCode.NRefactory.CSharp/Refactoring/CodeIssues/ExpressionIsNeverOfProvidedTypeIssue.cs

@@ -57,7 +57,7 @@ namespace ICSharpCode.NRefactory.CSharp.Refactoring
 			{
 				base.VisitIsExpression (isExpression);
 
-				var conversions = CSharpConversions.Get(ctx.Compilation);
+//				var conversions = CSharpConversions.Get(ctx.Compilation);
 				var exprType = ctx.Resolve (isExpression.Expression).Type;
 				var providedType = ctx.ResolveType (isExpression.Type);
 

ICSharpCode.NRefactory.CSharp/Refactoring/CodeIssues/InconsistentNamingIssue/NamingConventionService.cs

@@ -49,7 +49,7 @@ namespace ICSharpCode.NRefactory.CSharp.Refactoring
 				}
 				if (!rule.IsValid(name)) {
 					IList<string> suggestedNames;
-					var msg = rule.GetErrorMessage(ctx, name, out suggestedNames);
+					rule.GetErrorMessage(ctx, name, out suggestedNames);
 					if (suggestedNames.Any ())
 						return suggestedNames [0];
 				}

ICSharpCode.NRefactory.CSharp/Refactoring/CodeIssues/NotImplementedExceptionIssue.cs

@@ -44,11 +44,11 @@ namespace ICSharpCode.NRefactory.CSharp.Refactoring
 
 		class GatherVisitor : GatherVisitorBase
 		{
-			readonly NotImplementedExceptionIssue inspector;
+//			readonly NotImplementedExceptionIssue inspector;
 			
 			public GatherVisitor (BaseRefactoringContext ctx, NotImplementedExceptionIssue inspector) : base (ctx)
 			{
-				this.inspector = inspector;
+//				this.inspector = inspector;
 			}
 
 			public override void VisitThrowStatement(ThrowStatement throwStatement)

ICSharpCode.NRefactory.CSharp/Refactoring/CodeIssues/ParameterCanBeDemotedIssue/HasMemberCriterion.cs

@@ -32,12 +32,12 @@ namespace ICSharpCode.NRefactory.CSharp.Refactoring
 {
 	public class HasMemberCriterion : ITypeCriterion
 	{
-		IMember neededMember;
+//		IMember neededMember;
 		IList<IMember> acceptableMembers;
 
 		public HasMemberCriterion(IMember neededMember)
 		{
-			this.neededMember = neededMember;
+//			this.neededMember = neededMember;
 
 			if (neededMember.ImplementedInterfaceMembers.Any()) {
 				acceptableMembers = neededMember.ImplementedInterfaceMembers.ToList();

ICSharpCode.NRefactory.CSharp/Refactoring/CodeIssues/ParameterCanBeDemotedIssue/ParameterCanBeDemotedIssue.cs

@@ -205,7 +205,7 @@ namespace ICSharpCode.NRefactory.CSharp.Refactoring
 
 			public void Resolved(AstNode node, ResolveResult result)
 			{
-				bool errors = result.IsError;
+//				bool errors = result.IsError;
 				FoundErrors |= result.IsError;
 			}
 

ICSharpCode.NRefactory.CSharp/Refactoring/CodeIssues/RedundantInternalIssue.cs

@@ -48,11 +48,11 @@ namespace ICSharpCode.NRefactory.CSharp.Refactoring
 
 		class GatherVisitor : GatherVisitorBase
 		{
-			readonly RedundantInternalIssue inspector;
+//			readonly RedundantInternalIssue inspector;
 			
 			public GatherVisitor (BaseRefactoringContext ctx, RedundantInternalIssue inspector) : base (ctx)
 			{
-				this.inspector = inspector;
+//				this.inspector = inspector;
 			}
 
 			public override void VisitTypeDeclaration(TypeDeclaration typeDeclaration)

ICSharpCode.NRefactory.CSharp/Refactoring/CodeIssues/RedundantNamespaceUsageIssue.cs

@@ -50,11 +50,11 @@ namespace ICSharpCode.NRefactory.CSharp.Refactoring
 
 		class GatherVisitor : GatherVisitorBase
 		{
-			readonly RedundantNamespaceUsageIssue inspector;
+//			readonly RedundantNamespaceUsageIssue inspector;
 			
 			public GatherVisitor (BaseRefactoringContext ctx, RedundantNamespaceUsageIssue inspector) : base (ctx)
 			{
-				this.inspector = inspector;
+//				this.inspector = inspector;
 			}
 
 			public override void VisitMemberReferenceExpression(MemberReferenceExpression memberReferenceExpression)

ICSharpCode.NRefactory.CSharp/Refactoring/CodeIssues/RedundantPrivateIssue.cs

@@ -48,11 +48,11 @@ namespace ICSharpCode.NRefactory.CSharp.Refactoring
 
 		class GatherVisitor : GatherVisitorBase
 		{
-			readonly RedundantPrivateIssue inspector;
+//			readonly RedundantPrivateIssue inspector;
 			
 			public GatherVisitor (BaseRefactoringContext ctx, RedundantPrivateIssue inspector) : base (ctx)
 			{
-				this.inspector = inspector;
+//				this.inspector = inspector;
 			}
 
 			void CheckNode(EntityDeclaration node)

ICSharpCode.NRefactory.CSharp/Refactoring/CodeIssues/UseVarKeywordIssue.cs

@@ -50,11 +50,11 @@ namespace ICSharpCode.NRefactory.CSharp.Refactoring
 
 		class GatherVisitor : GatherVisitorBase
 		{
-			readonly UseVarKeywordIssue inspector;
+//			readonly UseVarKeywordIssue inspector;
 			
 			public GatherVisitor (BaseRefactoringContext ctx, UseVarKeywordIssue inspector) : base (ctx)
 			{
-				this.inspector = inspector;
+//				this.inspector = inspector;
 			}
 
 			public override void VisitVariableDeclarationStatement(VariableDeclarationStatement variableDeclarationStatement)

ICSharpCode.NRefactory.CSharp/Resolver/ResolveVisitor.cs

@@ -570,7 +570,7 @@ namespace ICSharpCode.NRefactory.CSharp.Resolver
 				if (unresolvedFile != null) {
 					resolver = resolver.WithCurrentUsingScope(unresolvedFile.GetUsingScope(namespaceDeclaration.StartLocation).Resolve(resolver.Compilation));
 				} else {
-					string fileName = namespaceDeclaration.GetRegion().FileName ?? string.Empty;
+//					string fileName = namespaceDeclaration.GetRegion().FileName ?? string.Empty;
 					// Fetch parent using scope
 					// Create root using scope if necessary
 					if (resolver.CurrentUsingScope == null)