using System;
using System.Reflection;
using System.Reflection.Emit;

namespace System.Linq.Expressions
{
	/// <summary>Represents initializing a field or property of a newly created object.</summary>
	// Token: 0x02000024 RID: 36
	public sealed class MemberAssignment : MemberBinding
	{
		// Token: 0x06000216 RID: 534 RVA: 0x0000B888 File Offset: 0x00009A88
		internal MemberAssignment(MemberInfo member, Expression expression)
			: base(MemberBindingType.Assignment, member)
		{
			this.expression = expression;
		}

		/// <summary>Gets the expression to assign to the field or property.</summary>
		/// <returns>The <see cref="T:System.Linq.Expressions.Expression" /> that represents the value to assign to the field or property.</returns>
		// Token: 0x17000023 RID: 35
		// (get) Token: 0x06000217 RID: 535 RVA: 0x0000B89C File Offset: 0x00009A9C
		public Expression Expression
		{
			get
			{
				return this.expression;
			}
		}

		// Token: 0x06000218 RID: 536 RVA: 0x0000B8A4 File Offset: 0x00009AA4
		internal override void Emit(EmitContext ec, LocalBuilder local)
		{
			base.Member.OnFieldOrProperty(delegate(FieldInfo field)
			{
				this.EmitFieldAssignment(ec, field, local);
			}, delegate(PropertyInfo prop)
			{
				this.EmitPropertyAssignment(ec, prop, local);
			});
		}

		// Token: 0x06000219 RID: 537 RVA: 0x0000B8F0 File Offset: 0x00009AF0
		private void EmitFieldAssignment(EmitContext ec, FieldInfo field, LocalBuilder local)
		{
			ec.EmitLoadSubject(local);
			this.expression.Emit(ec);
			ec.ig.Emit(OpCodes.Stfld, field);
		}

		// Token: 0x0600021A RID: 538 RVA: 0x0000B924 File Offset: 0x00009B24
		private void EmitPropertyAssignment(EmitContext ec, PropertyInfo property, LocalBuilder local)
		{
			MethodInfo setMethod = property.GetSetMethod(true);
			if (setMethod == null)
			{
				throw new InvalidOperationException();
			}
			ec.EmitLoadSubject(local);
			this.expression.Emit(ec);
			ec.EmitCall(setMethod);
		}

		// Token: 0x040000A9 RID: 169
		private Expression expression;
	}
}