using System;

namespace System.Text.RegularExpressions.Syntax
{
	// Token: 0x020002D9 RID: 729
	internal abstract class Expression
	{
		// Token: 0x06001A9D RID: 6813
		public abstract void Compile(ICompiler cmp, bool reverse);

		// Token: 0x06001A9E RID: 6814
		public abstract void GetWidth(out int min, out int max);

		// Token: 0x06001A9F RID: 6815 RVA: 0x000623B4 File Offset: 0x000605B4
		public int GetFixedWidth()
		{
			int num;
			int num2;
			this.GetWidth(out num, out num2);
			if (num == num2)
			{
				return num;
			}
			return -1;
		}

		// Token: 0x06001AA0 RID: 6816 RVA: 0x000623D8 File Offset: 0x000605D8
		public virtual AnchorInfo GetAnchorInfo(bool reverse)
		{
			return new AnchorInfo(this, this.GetFixedWidth());
		}

		// Token: 0x06001AA1 RID: 6817
		public abstract bool IsComplex();
	}
}