using System;
using System.Collections.ObjectModel;
using System.Reflection;
using System.Reflection.Emit;

namespace System.Linq.Expressions
{
	/// <summary>Represents an initializer for a single element of an <see cref="T:System.Collections.IEnumerable" /> collection.</summary>
	// Token: 0x02000018 RID: 24
	public sealed class ElementInit
	{
		// Token: 0x06000160 RID: 352 RVA: 0x00009110 File Offset: 0x00007310
		internal ElementInit(MethodInfo add_method, ReadOnlyCollection<Expression> arguments)
		{
			this.add_method = add_method;
			this.arguments = arguments;
		}

		/// <summary>Gets the instance method that is used to add an element to an <see cref="T:System.Collections.IEnumerable" /> collection.</summary>
		/// <returns>A <see cref="T:System.Reflection.MethodInfo" /> that represents an instance method that adds an element to a collection.</returns>
		// Token: 0x1700001B RID: 27
		// (get) Token: 0x06000161 RID: 353 RVA: 0x00009128 File Offset: 0x00007328
		public MethodInfo AddMethod
		{
			get
			{
				return this.add_method;
			}
		}

		/// <summary>Gets the collection of arguments that are passed to a method that adds an element to an <see cref="T:System.Collections.IEnumerable" /> collection.</summary>
		/// <returns>A <see cref="T:System.Collections.ObjectModel.ReadOnlyCollection`1" /> of <see cref="T:System.Linq.Expressions.Expression" /> objects that represent the arguments for a method that adds an element to a collection.</returns>
		// Token: 0x1700001C RID: 28
		// (get) Token: 0x06000162 RID: 354 RVA: 0x00009130 File Offset: 0x00007330
		public ReadOnlyCollection<Expression> Arguments
		{
			get
			{
				return this.arguments;
			}
		}

		/// <summary>Returns a textual representation of an <see cref="T:System.Linq.Expressions.ElementInit" /> object.</summary>
		/// <returns>A textual representation of the <see cref="T:System.Linq.Expressions.ElementInit" /> object.</returns>
		// Token: 0x06000163 RID: 355 RVA: 0x00009138 File Offset: 0x00007338
		public override string ToString()
		{
			return ExpressionPrinter.ToString(this);
		}

		// Token: 0x06000164 RID: 356 RVA: 0x00009140 File Offset: 0x00007340
		private void EmitPopIfNeeded(EmitContext ec)
		{
			if (this.add_method.ReturnType == typeof(void))
			{
				return;
			}
			ec.ig.Emit(OpCodes.Pop);
		}

		// Token: 0x06000165 RID: 357 RVA: 0x00009170 File Offset: 0x00007370
		internal void Emit(EmitContext ec, LocalBuilder local)
		{
			ec.EmitCall(local, this.arguments, this.add_method);
			this.EmitPopIfNeeded(ec);
		}

		// Token: 0x04000062 RID: 98
		private MethodInfo add_method;

		// Token: 0x04000063 RID: 99
		private ReadOnlyCollection<Expression> arguments;
	}
}