Merge branch 'master' of github.com:icsharpcode/NRefactory

ICSharpCode.NRefactory.CSharp/Parser/CSharpParser.cs

@@ -1448,7 +1448,21 @@ namespace ICSharpCode.NRefactory.CSharp
 			public override object Visit (StatementExpression statementExpression)
 			{
 				var result = new ExpressionStatement ();
-				object expr = statementExpression.Expr.Accept (this);
+				var expr = statementExpression.Expr.Accept (this) as Expression;
+				if (expr != null)
+					result.AddChild ((Expression)expr, ExpressionStatement.Roles.Expression);
+				var location = LocationsBag.GetLocations (statementExpression);
+				if (location != null)
+					result.AddChild (new CSharpTokenNode (Convert (location[0]), 1), ExpressionStatement.Roles.Semicolon);
+				return result;
+			}
+			
+			public override object Visit (InvalidExpressionStatement statementExpression)
+			{
+				var result = new ExpressionStatement ();
+				if (statementExpression.Expression == null)
+					return result;
+				object expr = statementExpression.Expression.Accept (this);
 				if (expr != null)
 					result.AddChild ((Expression)expr, ExpressionStatement.Roles.Expression);
 				var location = LocationsBag.GetLocations (statementExpression);

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

@@ -881,13 +881,12 @@ namespace Mono.CSharp {
 		}
 
 		readonly Dictionary<TypeSpec, Expression> compatibles;
-		readonly bool is_async;
 
 		public ParametersBlock Block;
 
 		public AnonymousMethodExpression (bool isAsync, Location loc)
 		{
-			this.is_async = isAsync;
+			this.IsAsync = isAsync;
 			this.loc = loc;
 			this.compatibles = new Dictionary<TypeSpec, Expression> ();
 		}
@@ -906,18 +905,16 @@ namespace Mono.CSharp {
 			}
 		}
 
-		public bool IsAsync {
-			get {
-				return is_async;
-			}
-		}
-
 		public ParametersCompiled Parameters {
 			get {
 				return Block.Parameters;
 			}
 		}
 
+		public bool IsAsync {
+			get;
+			private set;
+		}
 		#endregion
 
 		//

ICSharpCode.NRefactory.CSharp/Parser/mcs/cs-parser.jay

@@ -3381,6 +3381,14 @@ element_access
 		$$ = new ElementAccess ((Expression) $1, (Arguments) $3, GetLocation ($2));
 		lbag.AddLocation ($$, GetLocation ($4));
 	  }
+	|  primary_expression OPEN_BRACKET_EXPR expression_list_arguments error	
+	  {
+		$$ = new ElementAccess ((Expression) $1, (Arguments) $3, GetLocation ($2));
+	  }
+	|  primary_expression OPEN_BRACKET_EXPR error	
+	  {
+		$$ = new ElementAccess ((Expression) $1, null, GetLocation ($2));
+	  }
 	;
 
 expression_list
@@ -5084,7 +5092,7 @@ statement_expression
 		ExpressionStatement s = $1 as ExpressionStatement;
 		if (s == null) {
 			Expression.Error_InvalidExpressionStatement (report, GetLocation ($1));
-			$$ = new StatementExpression (EmptyExpressionStatement.Instance);
+			$$ = new StatementExpression (new InvalidExpressionStatement ($1));
 		} else {
 			$$ = new StatementExpression (s);
 		}

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

@@ -27,7 +27,6 @@ using IKVM.Reflection.Emit;
 #else
 using System.Reflection;
 using System.Reflection.Emit;
-//using Mono.Collections.Generic;
 #endif
 
 namespace Mono.CSharp {

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

@@ -6287,4 +6287,42 @@ namespace Mono.CSharp {
 				ec.Module.Compiler.Report.Error (825, loc, "The contextual keyword `var' may only appear within a local variable declaration");
 		}
 	}
+	
+	public class InvalidExpressionStatement : ExpressionStatement
+	{
+		public Expression Expression {
+			get;
+			private set;
+		}
+		
+		public InvalidExpressionStatement (Expression expr)
+		{
+			this.Expression = expr;
+		}
+		
+		public override void EmitStatement (EmitContext ec)
+		{
+			// nothing
+		}
+		
+		public override void Emit (EmitContext ec)
+		{
+			// nothing
+		}
+		
+		public override Mono.CSharp.Expression CreateExpressionTree (ResolveContext ec)
+		{
+			return null;
+		}
+		
+		protected override Mono.CSharp.Expression DoResolve (ResolveContext rc)
+		{
+			return null;
+		}
+		
+		public override object Accept (Mono.CSharp.StructuralVisitor visitor)
+		{
+			return visitor.Visit (this);
+		}
+	}
 }	

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

@@ -338,6 +338,11 @@ namespace Mono.CSharp
 			return null;
 		}
 		
+		public virtual object Visit (InvalidExpressionStatement invalidExpressionStatement)
+		{
+			return null;
+		}
+
 		public virtual object Visit (Expression expression)
 		{
 			Console.WriteLine ("Visit unknown expression:" + expression);