scripts

System.Core/System/Linq/Expressions/ParameterExpression.cs

@@ -0,0 +1,70 @@
+using System;
+using System.Reflection.Emit;
+
+namespace System.Linq.Expressions
+{
+	/// <summary>Represents a named parameter expression.</summary>
+	// Token: 0x0200002E RID: 46
+	public sealed class ParameterExpression : Expression
+	{
+		// Token: 0x06000248 RID: 584 RVA: 0x0000C004 File Offset: 0x0000A204
+		internal ParameterExpression(Type type, string name)
+			: base(ExpressionType.Parameter, type)
+		{
+			this.name = name;
+		}
+
+		/// <summary>Gets the name of the parameter.</summary>
+		/// <returns>A <see cref="T:System.String" /> that contains the name of the parameter.</returns>
+		// Token: 0x17000033 RID: 51
+		// (get) Token: 0x06000249 RID: 585 RVA: 0x0000C018 File Offset: 0x0000A218
+		public string Name
+		{
+			get
+			{
+				return this.name;
+			}
+		}
+
+		// Token: 0x0600024A RID: 586 RVA: 0x0000C020 File Offset: 0x0000A220
+		private void EmitLocalParameter(EmitContext ec, int position)
+		{
+			ec.ig.Emit(OpCodes.Ldarg, position);
+		}
+
+		// Token: 0x0600024B RID: 587 RVA: 0x0000C034 File Offset: 0x0000A234
+		private void EmitHoistedLocal(EmitContext ec, int level, int position)
+		{
+			ec.EmitScope();
+			for (int i = 0; i < level; i++)
+			{
+				ec.EmitParentScope();
+			}
+			ec.EmitLoadLocals();
+			ec.ig.Emit(OpCodes.Ldc_I4, position);
+			ec.ig.Emit(OpCodes.Ldelem, typeof(object));
+			ec.EmitLoadStrongBoxValue(base.Type);
+		}
+
+		// Token: 0x0600024C RID: 588 RVA: 0x0000C09C File Offset: 0x0000A29C
+		internal override void Emit(EmitContext ec)
+		{
+			int num = -1;
+			if (ec.IsLocalParameter(this, ref num))
+			{
+				this.EmitLocalParameter(ec, num);
+				return;
+			}
+			int num2 = 0;
+			if (ec.IsHoistedLocal(this, ref num2, ref num))
+			{
+				this.EmitHoistedLocal(ec, num2, num);
+				return;
+			}
+			throw new InvalidOperationException("Parameter out of scope");
+		}
+
+		// Token: 0x040000BD RID: 189
+		private string name;
+	}
+}