mirror of
https://github.com/danbulant/Cosmos
synced 2026-05-20 04:48:53 +00:00
389 lines
11 KiB
C#
389 lines
11 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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namespace Indy.IL2CPU.IL {
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partial class ILReader {
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private static byte GetOperandSize(OpCodeEnum aOpCode) {
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switch (aOpCode) {
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case OpCodeEnum.Add:
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case OpCodeEnum.Add_Ovf:
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case OpCodeEnum.Add_Ovf_Un:
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case OpCodeEnum.And:
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case OpCodeEnum.Arglist:
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case OpCodeEnum.Break:
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case OpCodeEnum.Ceq:
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case OpCodeEnum.Cgt:
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case OpCodeEnum.Cgt_Un:
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case OpCodeEnum.Ckfinite:
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case OpCodeEnum.Clt:
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case OpCodeEnum.Clt_Un:
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case OpCodeEnum.Conv_I:
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case OpCodeEnum.Conv_I1:
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case OpCodeEnum.Conv_I2:
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case OpCodeEnum.Conv_I4:
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case OpCodeEnum.Conv_I8:
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case OpCodeEnum.Conv_Ovf_I:
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case OpCodeEnum.Conv_Ovf_I_Un:
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case OpCodeEnum.Conv_Ovf_I1:
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case OpCodeEnum.Conv_Ovf_I1_Un:
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case OpCodeEnum.Conv_Ovf_I2:
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case OpCodeEnum.Conv_Ovf_I2_Un:
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case OpCodeEnum.Conv_Ovf_I4:
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case OpCodeEnum.Conv_Ovf_I4_Un:
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case OpCodeEnum.Conv_Ovf_I8:
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case OpCodeEnum.Conv_Ovf_I8_Un:
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case OpCodeEnum.Conv_Ovf_U:
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case OpCodeEnum.Conv_Ovf_U_Un:
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case OpCodeEnum.Conv_Ovf_U1:
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case OpCodeEnum.Conv_Ovf_U1_Un:
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case OpCodeEnum.Conv_Ovf_U2:
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case OpCodeEnum.Conv_Ovf_U2_Un:
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case OpCodeEnum.Conv_Ovf_U4:
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case OpCodeEnum.Conv_Ovf_U4_Un:
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case OpCodeEnum.Conv_Ovf_U8:
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case OpCodeEnum.Conv_Ovf_U8_Un:
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case OpCodeEnum.Conv_R_Un:
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case OpCodeEnum.Conv_R4:
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case OpCodeEnum.Conv_R8:
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case OpCodeEnum.Conv_U:
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case OpCodeEnum.Conv_U1:
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case OpCodeEnum.Conv_U2:
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case OpCodeEnum.Conv_U4:
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case OpCodeEnum.Conv_U8:
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case OpCodeEnum.Cpblk:
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case OpCodeEnum.Div:
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case OpCodeEnum.Div_Un:
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case OpCodeEnum.Dup:
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case OpCodeEnum.Endfilter:
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case OpCodeEnum.Endfinally:
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case OpCodeEnum.Initblk:
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case OpCodeEnum.Ldarg_0:
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case OpCodeEnum.Ldarg_1:
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case OpCodeEnum.Ldarg_2:
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case OpCodeEnum.Ldarg_3:
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case OpCodeEnum.Ldc_I4_0:
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case OpCodeEnum.Ldc_I4_1:
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case OpCodeEnum.Ldc_I4_2:
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case OpCodeEnum.Ldc_I4_3:
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case OpCodeEnum.Ldc_I4_4:
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case OpCodeEnum.Ldc_I4_5:
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case OpCodeEnum.Ldc_I4_6:
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case OpCodeEnum.Ldc_I4_7:
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case OpCodeEnum.Ldc_I4_8:
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case OpCodeEnum.Ldc_I4_M1:
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case OpCodeEnum.Ldelem_I:
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case OpCodeEnum.Ldelem_I1:
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case OpCodeEnum.Ldelem_I2:
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case OpCodeEnum.Ldelem_I4:
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case OpCodeEnum.Ldelem_I8:
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case OpCodeEnum.Ldelem_R4:
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case OpCodeEnum.Ldelem_R8:
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case OpCodeEnum.Ldelem_Ref:
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case OpCodeEnum.Ldelem_U1:
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case OpCodeEnum.Ldelem_U2:
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case OpCodeEnum.Ldelem_U4:
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case OpCodeEnum.Ldind_I:
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case OpCodeEnum.Ldind_I1:
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case OpCodeEnum.Ldind_I2:
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case OpCodeEnum.Ldind_I4:
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case OpCodeEnum.Ldind_I8:
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case OpCodeEnum.Ldind_R4:
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case OpCodeEnum.Ldind_R8:
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case OpCodeEnum.Ldind_Ref:
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case OpCodeEnum.Ldind_U1:
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case OpCodeEnum.Ldind_U2:
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case OpCodeEnum.Ldind_U4:
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case OpCodeEnum.Ldlen:
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case OpCodeEnum.Ldloc_0:
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case OpCodeEnum.Ldloc_1:
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case OpCodeEnum.Ldloc_2:
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case OpCodeEnum.Ldloc_3:
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case OpCodeEnum.Ldnull:
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case OpCodeEnum.Localloc:
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case OpCodeEnum.Mul:
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case OpCodeEnum.Mul_Ovf:
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case OpCodeEnum.Mul_Ovf_Un:
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case OpCodeEnum.Neg:
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case OpCodeEnum.Nop:
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case OpCodeEnum.Not:
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case OpCodeEnum.Or:
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case OpCodeEnum.Pop:
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case OpCodeEnum.Prefix1:
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case OpCodeEnum.Prefix2:
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case OpCodeEnum.Prefix3:
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case OpCodeEnum.Prefix4:
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case OpCodeEnum.Prefix5:
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case OpCodeEnum.Prefix6:
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case OpCodeEnum.Prefix7:
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case OpCodeEnum.Prefixref:
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case OpCodeEnum.Readonly:
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case OpCodeEnum.Refanytype:
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case OpCodeEnum.Rem:
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case OpCodeEnum.Rem_Un:
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case OpCodeEnum.Ret:
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case OpCodeEnum.Rethrow:
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case OpCodeEnum.Shl:
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case OpCodeEnum.Shr:
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case OpCodeEnum.Shr_Un:
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case OpCodeEnum.Stelem_I:
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case OpCodeEnum.Stelem_I1:
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case OpCodeEnum.Stelem_I2:
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case OpCodeEnum.Stelem_I4:
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case OpCodeEnum.Stelem_I8:
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case OpCodeEnum.Stelem_R4:
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case OpCodeEnum.Stelem_R8:
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case OpCodeEnum.Stelem_Ref:
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case OpCodeEnum.Stind_I:
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case OpCodeEnum.Stind_I1:
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case OpCodeEnum.Stind_I2:
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case OpCodeEnum.Stind_I4:
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case OpCodeEnum.Stind_I8:
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case OpCodeEnum.Stind_R4:
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case OpCodeEnum.Stind_R8:
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case OpCodeEnum.Stind_Ref:
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case OpCodeEnum.Stloc_0:
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case OpCodeEnum.Stloc_1:
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case OpCodeEnum.Stloc_2:
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case OpCodeEnum.Stloc_3:
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case OpCodeEnum.Sub:
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case OpCodeEnum.Sub_Ovf:
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case OpCodeEnum.Sub_Ovf_Un:
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case OpCodeEnum.Switch:
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case OpCodeEnum.Tailcall:
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case OpCodeEnum.Throw:
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case OpCodeEnum.Volatile:
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case OpCodeEnum.Xor:
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return 0;
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case OpCodeEnum.Beq_S:
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case OpCodeEnum.Bge_S:
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case OpCodeEnum.Bge_Un_S:
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case OpCodeEnum.Bgt_S:
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case OpCodeEnum.Bgt_Un_S:
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case OpCodeEnum.Ble_S:
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case OpCodeEnum.Ble_Un_S:
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case OpCodeEnum.Blt_S:
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case OpCodeEnum.Blt_Un_S:
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case OpCodeEnum.Bne_Un_S:
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case OpCodeEnum.Br_S:
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case OpCodeEnum.Brfalse_S:
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case OpCodeEnum.Brtrue_S:
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case OpCodeEnum.Ldarg_S:
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case OpCodeEnum.Ldarga_S:
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case OpCodeEnum.Ldc_I4_S:
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case OpCodeEnum.Ldloc_S:
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case OpCodeEnum.Ldloca_S:
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case OpCodeEnum.Leave_S:
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case OpCodeEnum.Starg_S:
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case OpCodeEnum.Stloc_S:
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case OpCodeEnum.Unaligned:
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return 8;
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case OpCodeEnum.Ldarg:
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case OpCodeEnum.Ldarga:
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case OpCodeEnum.Ldloc:
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case OpCodeEnum.Ldloca:
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case OpCodeEnum.Starg:
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case OpCodeEnum.Stloc:
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return 16;
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case OpCodeEnum.Beq:
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case OpCodeEnum.Bge:
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case OpCodeEnum.Bge_Un:
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case OpCodeEnum.Bgt:
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case OpCodeEnum.Bgt_Un:
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case OpCodeEnum.Ble:
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case OpCodeEnum.Ble_Un:
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case OpCodeEnum.Blt:
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case OpCodeEnum.Blt_Un:
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case OpCodeEnum.Bne_Un:
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case OpCodeEnum.Box:
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case OpCodeEnum.Br:
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case OpCodeEnum.Brfalse:
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case OpCodeEnum.Brtrue:
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case OpCodeEnum.Call:
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case OpCodeEnum.Calli:
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case OpCodeEnum.Callvirt:
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case OpCodeEnum.Castclass:
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case OpCodeEnum.Constrained:
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case OpCodeEnum.Cpobj:
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case OpCodeEnum.Initobj:
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case OpCodeEnum.Isinst:
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case OpCodeEnum.Jmp:
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case OpCodeEnum.Ldc_I4:
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case OpCodeEnum.Ldc_R4:
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case OpCodeEnum.Ldelem:
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case OpCodeEnum.Ldelema:
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case OpCodeEnum.Ldfld:
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case OpCodeEnum.Ldflda:
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case OpCodeEnum.Ldftn:
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case OpCodeEnum.Ldobj:
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case OpCodeEnum.Ldsfld:
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case OpCodeEnum.Ldsflda:
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case OpCodeEnum.Ldstr:
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case OpCodeEnum.Ldtoken:
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case OpCodeEnum.Ldvirtftn:
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case OpCodeEnum.Leave:
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case OpCodeEnum.Mkrefany:
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case OpCodeEnum.Newarr:
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case OpCodeEnum.Newobj:
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case OpCodeEnum.Refanyval:
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case OpCodeEnum.Sizeof:
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case OpCodeEnum.Stelem:
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case OpCodeEnum.Stfld:
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case OpCodeEnum.Stobj:
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case OpCodeEnum.Stsfld:
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case OpCodeEnum.Unbox:
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case OpCodeEnum.Unbox_Any:
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return 32;
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case OpCodeEnum.Ldc_I8:
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case OpCodeEnum.Ldc_R8:
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return 64;
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default:
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throw new NotSupportedException("OpCode not supported: " + aOpCode.ToString());
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}
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}
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private static OpCodeEnum GetNonShortcutOpCode(OpCodeEnum aOpCode) {
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switch (aOpCode) {
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case OpCodeEnum.Beq_S:
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return OpCodeEnum.Beq;
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case OpCodeEnum.Bge_S:
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return OpCodeEnum.Bge;
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case OpCodeEnum.Bge_Un_S:
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return OpCodeEnum.Bge_Un;
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case OpCodeEnum.Bgt_S:
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return OpCodeEnum.Bgt;
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case OpCodeEnum.Bgt_Un_S:
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return OpCodeEnum.Bgt_Un;
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case OpCodeEnum.Ble_S:
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return OpCodeEnum.Ble;
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case OpCodeEnum.Ble_Un_S:
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return OpCodeEnum.Ble_Un;
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case OpCodeEnum.Blt_S:
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return OpCodeEnum.Blt;
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case OpCodeEnum.Blt_Un_S:
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return OpCodeEnum.Blt_Un;
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case OpCodeEnum.Bne_Un_S:
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return OpCodeEnum.Bne_Un;
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case OpCodeEnum.Br_S:
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return OpCodeEnum.Br;
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case OpCodeEnum.Brfalse_S:
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return OpCodeEnum.Brfalse;
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case OpCodeEnum.Brtrue_S:
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return OpCodeEnum.Brtrue;
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case OpCodeEnum.Ldarg_0:
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return OpCodeEnum.Ldarg;
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case OpCodeEnum.Ldarg_1:
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return OpCodeEnum.Ldarg;
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case OpCodeEnum.Ldarg_2:
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return OpCodeEnum.Ldarg;
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case OpCodeEnum.Ldarg_3:
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return OpCodeEnum.Ldarg;
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case OpCodeEnum.Ldarg_S:
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return OpCodeEnum.Ldarg;
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case OpCodeEnum.Ldarga_S:
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return OpCodeEnum.Ldarga;
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case OpCodeEnum.Ldc_I4_0:
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return OpCodeEnum.Ldc_I4;
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case OpCodeEnum.Ldc_I4_1:
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return OpCodeEnum.Ldc_I4;
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case OpCodeEnum.Ldc_I4_2:
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return OpCodeEnum.Ldc_I4;
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case OpCodeEnum.Ldc_I4_3:
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return OpCodeEnum.Ldc_I4;
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case OpCodeEnum.Ldc_I4_4:
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return OpCodeEnum.Ldc_I4;
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case OpCodeEnum.Ldc_I4_5:
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return OpCodeEnum.Ldc_I4;
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case OpCodeEnum.Ldc_I4_6:
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return OpCodeEnum.Ldc_I4;
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case OpCodeEnum.Ldc_I4_7:
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return OpCodeEnum.Ldc_I4;
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case OpCodeEnum.Ldc_I4_8:
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return OpCodeEnum.Ldc_I4;
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case OpCodeEnum.Ldc_I4_M1:
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return OpCodeEnum.Ldc_I4;
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case OpCodeEnum.Ldc_I4_S:
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return OpCodeEnum.Ldc_I4;
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case OpCodeEnum.Ldloc_0:
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return OpCodeEnum.Ldloc;
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case OpCodeEnum.Ldloc_1:
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return OpCodeEnum.Ldloc;
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case OpCodeEnum.Ldloc_2:
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return OpCodeEnum.Ldloc;
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case OpCodeEnum.Ldloc_3:
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return OpCodeEnum.Ldloc;
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case OpCodeEnum.Ldloc_S:
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return OpCodeEnum.Ldloc;
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case OpCodeEnum.Ldloca_S:
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return OpCodeEnum.Ldloca;
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case OpCodeEnum.Leave_S:
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return OpCodeEnum.Leave;
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case OpCodeEnum.Starg_S:
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return OpCodeEnum.Starg;
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case OpCodeEnum.Stloc_0:
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return OpCodeEnum.Stloc;
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case OpCodeEnum.Stloc_1:
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return OpCodeEnum.Stloc;
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case OpCodeEnum.Stloc_2:
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return OpCodeEnum.Stloc;
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case OpCodeEnum.Stloc_3:
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return OpCodeEnum.Stloc;
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case OpCodeEnum.Stloc_S:
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return OpCodeEnum.Stloc;
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default:
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return aOpCode;
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}
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}
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private static long? GetShortcutOperand(OpCodeEnum aOpCode) {
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switch (aOpCode) {
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case OpCodeEnum.Ldarg_0:
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return 0;
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case OpCodeEnum.Ldarg_1:
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return 1;
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case OpCodeEnum.Ldarg_2:
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return 2;
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case OpCodeEnum.Ldarg_3:
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return 3;
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case OpCodeEnum.Ldc_I4_0:
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return 0;
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case OpCodeEnum.Ldc_I4_1:
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return 1;
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case OpCodeEnum.Ldc_I4_2:
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return 2;
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case OpCodeEnum.Ldc_I4_3:
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return 3;
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case OpCodeEnum.Ldc_I4_4:
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return 4;
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case OpCodeEnum.Ldc_I4_5:
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return 5;
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case OpCodeEnum.Ldc_I4_6:
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return 6;
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case OpCodeEnum.Ldc_I4_7:
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return 7;
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case OpCodeEnum.Ldc_I4_8:
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return 8;
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case OpCodeEnum.Ldc_I4_M1:
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return -1;
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case OpCodeEnum.Ldloc_0:
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return 0;
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case OpCodeEnum.Ldloc_1:
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return 1;
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case OpCodeEnum.Ldloc_2:
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return 2;
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case OpCodeEnum.Ldloc_3:
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return 3;
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case OpCodeEnum.Stloc_0:
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return 0;
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case OpCodeEnum.Stloc_1:
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return 1;
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case OpCodeEnum.Stloc_2:
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return 2;
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case OpCodeEnum.Stloc_3:
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return 3;
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default:
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return null;
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}
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}
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}
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}
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