Fix a few warnings

ICSharpCode.Decompiler/IL/Instructions.cs

@@ -3788,7 +3788,7 @@ namespace ICSharpCode.Decompiler.IL
 		public bool DelayExceptions; // NullReferenceException/IndexOutOfBoundsException only occurs when the reference is dereferenced
 		readonly IField field;
 		/// <summary>Returns the field operand.</summary>
-		public IField Field { get { return field; } }
+		public IField Field { get { return this.field; } }
 		public override StackType ResultType { get { return target.ResultType.IsIntegerType() ? StackType.I : StackType.Ref; } }
 		protected override InstructionFlags ComputeFlags()
 		{
@@ -3842,7 +3842,7 @@ namespace ICSharpCode.Decompiler.IL
 		public override StackType ResultType { get { return StackType.Ref; } }
 		readonly IField field;
 		/// <summary>Returns the field operand.</summary>
-		public IField Field { get { return field; } }
+		public IField Field { get { return this.field; } }
 		public override void WriteTo(ITextOutput output, ILAstWritingOptions options)
 		{
 			WriteILRange(output, options);

ICSharpCode.Decompiler/IL/Instructions.tt

@@ -859,7 +859,8 @@ namespace ICSharpCode.Decompiler.IL
 					opCode.PerformMatchConditions.Add("Patterns.ListMatch.DoMatch(this." + argProp + ", o." + argProp + ", ref match)");
 					if (i == 0)
 						opCode.WriteArguments.Add("bool first = true;");
-					opCode.WriteArguments.Add("foreach (var " + arg + " in " + argProp + ") {");
+					opCode.WriteArguments.Add("foreach (var " + arg + " in " + argProp + ")");
+					opCode.WriteArguments.Add("{");
 					if (i > 0)
 						opCode.WriteArguments.Add("\toutput.Write(\", \");");
 					else
@@ -1084,7 +1085,7 @@ protected override void Disconnected()
 		opCode.MatchParameters.Add(new MatchParamInfo { TypeName = "IField", Name = "field", FieldName = "Field" });
 		opCode.PerformMatchConditions.Add("field.Equals(o.field)");
 		opCode.Members.Add("/// <summary>Returns the field operand.</summary>" + Environment.NewLine
-						+ "public IField Field { get { return field; } }");
+						+ "public IField Field { get { return this.field; } }");
 		opCode.GenerateWriteTo = true;
 		opCode.WriteOperand.Add("output.Write(' ');");
 		opCode.WriteOperand.Add("field.WriteTo(output);");

ICSharpCode.Decompiler/IL/Transforms/TransformDisplayClassUsage.cs

@@ -53,7 +53,7 @@ namespace ICSharpCode.Decompiler.IL.Transforms
 			private readonly IField field;
 			private ILVariable declaredVariable;
 
-			public string Name => field.Name;
+			public string Name => @field.Name;
 
 			public bool CanPropagate { get; private set; }
 			public bool UsesInitialValue { get; set; }

ICSharpCode.Decompiler/TypeSystem/Implementation/MetadataTypeDefinition.cs

@@ -187,7 +187,7 @@ namespace ICSharpCode.Decompiler.TypeSystem.Implementation
 				foreach (FieldDefinitionHandle h in fieldCollection)
 				{
 					var field = metadata.GetFieldDefinition(h);
-					var attr = field.Attributes;
+					var attr = @field.Attributes;
 					if (module.IsVisible(attr))
 					{
 						fieldList.Add(module.GetDefinition(h));