using System;

namespace System.Text.RegularExpressions.Syntax
{
	// Token: 0x020002E3 RID: 739
	internal class ExpressionAssertion : Assertion
	{
		// Token: 0x06001AD9 RID: 6873 RVA: 0x00062FA4 File Offset: 0x000611A4
		public ExpressionAssertion()
		{
			base.Expressions.Add(null);
		}

		// Token: 0x17000834 RID: 2100
		// (get) Token: 0x06001ADA RID: 6874 RVA: 0x00062FB8 File Offset: 0x000611B8
		// (set) Token: 0x06001ADB RID: 6875 RVA: 0x00062FC0 File Offset: 0x000611C0
		public bool Reverse
		{
			get
			{
				return this.reverse;
			}
			set
			{
				this.reverse = value;
			}
		}

		// Token: 0x17000835 RID: 2101
		// (get) Token: 0x06001ADC RID: 6876 RVA: 0x00062FCC File Offset: 0x000611CC
		// (set) Token: 0x06001ADD RID: 6877 RVA: 0x00062FD4 File Offset: 0x000611D4
		public bool Negate
		{
			get
			{
				return this.negate;
			}
			set
			{
				this.negate = value;
			}
		}

		// Token: 0x17000836 RID: 2102
		// (get) Token: 0x06001ADE RID: 6878 RVA: 0x00062FE0 File Offset: 0x000611E0
		// (set) Token: 0x06001ADF RID: 6879 RVA: 0x00062FF0 File Offset: 0x000611F0
		public Expression TestExpression
		{
			get
			{
				return base.Expressions[2];
			}
			set
			{
				base.Expressions[2] = value;
			}
		}

		// Token: 0x06001AE0 RID: 6880 RVA: 0x00063000 File Offset: 0x00061200
		public override void Compile(ICompiler cmp, bool reverse)
		{
			LinkRef linkRef = cmp.NewLink();
			LinkRef linkRef2 = cmp.NewLink();
			if (!this.negate)
			{
				cmp.EmitTest(linkRef, linkRef2);
			}
			else
			{
				cmp.EmitTest(linkRef2, linkRef);
			}
			this.TestExpression.Compile(cmp, this.reverse);
			cmp.EmitTrue();
			if (base.TrueExpression == null)
			{
				cmp.ResolveLink(linkRef2);
				cmp.EmitFalse();
				cmp.ResolveLink(linkRef);
			}
			else
			{
				cmp.ResolveLink(linkRef);
				base.TrueExpression.Compile(cmp, reverse);
				if (base.FalseExpression == null)
				{
					cmp.ResolveLink(linkRef2);
				}
				else
				{
					LinkRef linkRef3 = cmp.NewLink();
					cmp.EmitJump(linkRef3);
					cmp.ResolveLink(linkRef2);
					base.FalseExpression.Compile(cmp, reverse);
					cmp.ResolveLink(linkRef3);
				}
			}
		}

		// Token: 0x06001AE1 RID: 6881 RVA: 0x000630CC File Offset: 0x000612CC
		public override bool IsComplex()
		{
			return true;
		}

		// Token: 0x040015BB RID: 5563
		private bool reverse;

		// Token: 0x040015BC RID: 5564
		private bool negate;
	}
}