using System;

namespace System.Reflection.Emit
{
	// Token: 0x020001F9 RID: 505
	internal struct ILExceptionInfo
	{
		// Token: 0x06001A91 RID: 6801 RVA: 0x000632A4 File Offset: 0x000614A4
		internal int NumHandlers()
		{
			return this.handlers.Length;
		}

		// Token: 0x06001A92 RID: 6802 RVA: 0x000632B0 File Offset: 0x000614B0
		internal void AddCatch(Type extype, int offset)
		{
			this.End(offset);
			this.add_block(offset);
			int num = this.handlers.Length - 1;
			this.handlers[num].type = 0;
			this.handlers[num].start = offset;
			this.handlers[num].extype = extype;
		}

		// Token: 0x06001A93 RID: 6803 RVA: 0x0006330C File Offset: 0x0006150C
		internal void AddFinally(int offset)
		{
			this.End(offset);
			this.add_block(offset);
			int num = this.handlers.Length - 1;
			this.handlers[num].type = 2;
			this.handlers[num].start = offset;
			this.handlers[num].extype = null;
		}

		// Token: 0x06001A94 RID: 6804 RVA: 0x00063368 File Offset: 0x00061568
		internal void AddFault(int offset)
		{
			this.End(offset);
			this.add_block(offset);
			int num = this.handlers.Length - 1;
			this.handlers[num].type = 4;
			this.handlers[num].start = offset;
			this.handlers[num].extype = null;
		}

		// Token: 0x06001A95 RID: 6805 RVA: 0x000633C4 File Offset: 0x000615C4
		internal void AddFilter(int offset)
		{
			this.End(offset);
			this.add_block(offset);
			int num = this.handlers.Length - 1;
			this.handlers[num].type = -1;
			this.handlers[num].extype = null;
			this.handlers[num].filter_offset = offset;
		}

		// Token: 0x06001A96 RID: 6806 RVA: 0x00063420 File Offset: 0x00061620
		internal void End(int offset)
		{
			if (this.handlers == null)
			{
				return;
			}
			int num = this.handlers.Length - 1;
			if (num >= 0)
			{
				this.handlers[num].len = offset - this.handlers[num].start;
			}
		}

		// Token: 0x06001A97 RID: 6807 RVA: 0x00063470 File Offset: 0x00061670
		internal int LastClauseType()
		{
			if (this.handlers != null)
			{
				return this.handlers[this.handlers.Length - 1].type;
			}
			return 0;
		}

		// Token: 0x06001A98 RID: 6808 RVA: 0x0006349C File Offset: 0x0006169C
		internal void PatchFilterClause(int start)
		{
			if (this.handlers != null && this.handlers.Length > 0)
			{
				this.handlers[this.handlers.Length - 1].start = start;
				this.handlers[this.handlers.Length - 1].type = 1;
			}
		}

		// Token: 0x06001A99 RID: 6809 RVA: 0x000634F8 File Offset: 0x000616F8
		internal void Debug(int b)
		{
		}

		// Token: 0x06001A9A RID: 6810 RVA: 0x000634FC File Offset: 0x000616FC
		private void add_block(int offset)
		{
			if (this.handlers != null)
			{
				int num = this.handlers.Length;
				ILExceptionBlock[] array = new ILExceptionBlock[num + 1];
				Array.Copy(this.handlers, array, num);
				this.handlers = array;
				this.handlers[num].len = offset - this.handlers[num].start;
			}
			else
			{
				this.handlers = new ILExceptionBlock[1];
				this.len = offset - this.start;
			}
		}

		// Token: 0x040007DF RID: 2015
		private ILExceptionBlock[] handlers;

		// Token: 0x040007E0 RID: 2016
		internal int start;

		// Token: 0x040007E1 RID: 2017
		private int len;

		// Token: 0x040007E2 RID: 2018
		internal Label end;
	}
}