1 files changed, 105 insertions, 0 deletions
diff --git a/mcs/ilasm/scanner/InstrToken.cs b/mcs/ilasm/scanner/InstrToken.cs
new file mode 100644
index 00000000000..edd6db37398
--- /dev/null
+++ b/mcs/ilasm/scanner/InstrToken.cs
@@ -0,0 +1,105 @@
+// InstrToken.cs
+// Author: Sergey Chaban (serge@wildwestsoftware.com)
+
+using System;
+using System.Reflection.Emit;
+
+namespace Mono.ILASM {
+
+	public class InstrToken : ILToken {
+
+
+		/// <summary>
+		/// </summary>
+		public InstrToken (OpCode opcode)
+		{
+			this.val = opcode;
+			token = GetInstrType (opcode);
+		}
+
+
+		/// <summary>
+		/// </summary>
+		/// <param name="opcode"></param>
+		/// <returns></returns>
+		public static int GetInstrType (OpCode opcode)
+		{
+			OperandType t = opcode.OperandType;
+			int token = Token.UNKNOWN;
+
+			switch (t) {
+
+				case OperandType.InlineBrTarget:
+				case OperandType.ShortInlineBrTarget:
+					token = Token.INSTR_BRTARGET;
+					break;
+
+				case OperandType.InlineField:
+					token = Token.INSTR_FIELD;
+					break;
+
+				case OperandType.InlineI:
+				case OperandType.ShortInlineI:
+					token = Token.INSTR_I;
+					break;
+
+				case OperandType.InlineI8:
+					token = Token.INSTR_I8;
+					break;
+
+				case OperandType.InlineMethod:
+					token = Token.INSTR_METHOD;
+					break;
+
+				case OperandType.InlineNone:
+					token = Token.INSTR_NONE;
+					break;
+
+				case OperandType.InlinePhi:
+					token = Token.INSTR_PHI;
+					break;
+
+				case OperandType.InlineR:
+				case OperandType.ShortInlineR:
+					token = Token.INSTR_R;
+					break;
+
+				/*
+				case OperandType.InlineRVA:
+					token = Token.INSTR_RVA;
+					break;
+				*/
+
+				case OperandType.InlineSig:
+					token = Token.INSTR_SIG;
+					break;
+
+				case OperandType.InlineString:
+					token = Token.INSTR_STRING;
+					break;
+
+				case OperandType.InlineSwitch:
+					token = Token.INSTR_SWITCH;
+					break;
+
+				case OperandType.InlineTok:
+					token = Token.INSTR_TOK;
+					break;
+
+				case OperandType.InlineType:
+					token = Token.INSTR_TYPE;
+					break;
+
+				case OperandType.InlineVar:
+				case OperandType.ShortInlineVar:
+					token = Token.INSTR_VAR;
+					break;
+			}
+
+			return token;
+		}
+
+
+	}
+
+}