mono/mcs/class/System.Core/System.Linq.Expressions/MethodCallExpression.cs

// 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
//
// Authors:
//		Federico Di Gregorio <[email protected]>
//

using System.Collections.ObjectModel;
using System.Reflection;
using System.Text;

namespace System.Linq.Expressions
{
	public sealed class MethodCallExpression : Expression
	{
		#region .ctor
		internal MethodCallExpression(ExpressionType type, MethodInfo method, Expression obj, ReadOnlyCollection<Expression> arguments)
			: base(type, method.ReturnType)
		{
			this.obj = obj;
			this.method = method;
			this.arguments = arguments;
		}
		#endregion

		#region Fields
		private ReadOnlyCollection<Expression> arguments;
		private MethodInfo method;
		private Expression obj;
		#endregion

		#region Properties
		public ReadOnlyCollection<Expression> Arguments {
			get { return arguments; }
		}

		public MethodInfo Method {
			get { return method; }
		}

		public Expression Object {
			get { return obj; }
		}
		#endregion

		#region Internal Methods
		internal override void BuildString(StringBuilder builder)
		{
			obj.BuildString(builder);
			builder.Append (".").Append (method.Name).Append ("(");
			for (int i=0 ; i < arguments.Count ; i++) {
				arguments [i].BuildString (builder);
				if (i < arguments.Count-1)
					builder.Append (", ");
			}
			builder.Append(")");
		}
		#endregion
	}
}