2 // ConditionalExpression.cs
5 // Jb Evain (jbevain@novell.com)
7 // (C) 2008 Novell, Inc. (http://www.novell.com)
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31 using System.Reflection.Emit;
34 namespace System.Linq.Expressions {
36 public sealed class ConditionalExpression : Expression {
42 public Expression Test {
46 public Expression IfTrue {
47 get { return if_true; }
50 public Expression IfFalse {
51 get { return if_false; }
54 internal ConditionalExpression (Expression test, Expression if_true, Expression if_false)
55 : base (ExpressionType.Conditional, if_true.Type)
58 this.if_true = if_true;
59 this.if_false = if_false;
63 internal override void Emit (EmitContext ec)
66 var false_target = ig.DefineLabel ();
67 var end_target = ig.DefineLabel ();
70 ig.Emit (OpCodes.Brfalse, false_target);
73 ig.Emit (OpCodes.Br, end_target);
75 ig.MarkLabel (false_target);
78 ig.MarkLabel (end_target);