public string setUpDataFormat(ILInstruction instruction)
{
MethodInfo methodInfo = instruction.Data as MethodInfo;
if (methodInfo != null)
{
return FormatDataMethod(instruction, methodInfo);
}
ConstructorInfo constructorInfo = instruction.Data as ConstructorInfo;
if (constructorInfo != null)
{
return FormatDataConstructor(constructorInfo);
}
return null;
}
private string FormatDataMethod(ILInstruction instruciton, MethodInfo selectedMethod)
{
if (instruciton.Data == null) return "";
bool isFirst = true;
StringBuilder sb = new StringBuilder();
sb.Append(WhatTypeIsIt(selectedMethod.ReturnType));
sb.Append(" ");
sb.Append(WhatTypeIsIt(selectedMethod.DeclaringType));
sb.Append(".");
sb.Append(selectedMethod.Name);
sb.Append("(");
isFirst = true;
foreach (ParameterInfo parameterInfo in selectedMethod.GetParameters())
{
if (isFirst == true) isFirst = false;
else sb.Append(", ");
sb.Append(WhatTypeIsIt(parameterInfo.ParameterType));
}
sb.Append(")");
return sb.ToString();
}
public static IEnumerable<ILInstruction> GetInstructions(MethodBase methodBase)
{
MethodBody methodBody = methodBase.GetMethodBody();
byte[] bytes;
if (methodBody != null)
{
bytes = methodBody.GetILAsByteArray();
}
else
{
bytes = new byte[] { };
}
int offset = 0;
while (offset < bytes.Length)
{
ILInstruction instruction = new ILInstruction();
instruction.Offset = offset;
short code = (short)bytes[offset++];
if (code == 0xfe)
{
code = (short)(bytes[offset++] | 0xfe00);
}
instruction.OpCode = ILOpCodeTranslator.GetOpCode(code);
switch (instruction.OpCode.OperandType)
{
case OperandType.InlineBrTarget:
offset += 4;
break;
case OperandType.InlineField:
offset += 4;
break;
case OperandType.InlineI:
offset += 4;
break;
case OperandType.InlineI8:
offset += 8;
break;
case OperandType.InlineMethod:
int metaDataToken = bytes.GetInt32(offset);
Type[] genericMethodArguments = null;
if (methodBase.IsGenericMethod == true)
{
genericMethodArguments = methodBase.GetGenericArguments();
}
instruction.Data = methodBase.Module.ResolveMethod(metaDataToken, methodBase.DeclaringType.GetGenericArguments(), genericMethodArguments);
offset += 4;
break;
case OperandType.InlineNone:
break;
case OperandType.InlineR:
offset += 8;
break;
case OperandType.InlineSig:
offset += 4;
break;
case OperandType.InlineString:
offset += 4;
break;
case OperandType.InlineSwitch:
int count = bytes.GetInt32(offset) + 1;
offset += 4 * count;
break;
case OperandType.InlineTok:
offset += 4;
break;
case OperandType.InlineType:
offset += 4;
break;
case OperandType.InlineVar:
offset += 2;
break;
case OperandType.ShortInlineBrTarget:
offset += 1;
break;
case OperandType.ShortInlineI:
offset += 1;
break;
case OperandType.ShortInlineR:
offset += 4;
break;
case OperandType.ShortInlineVar:
offset += 1;
break;
default:
throw new NotImplementedException();
}
yield return instruction;
}
}
