public bool Create()
{
int arrayIndex;
Value array;
object value;
while (true)
{
var instr = method.Body.Instructions[index];
switch (instr.OpCode.Code)
{
case Code.Ret:
return(true);
case Code.Newarr:
var arrayType = (ITypeDefOrRef)instr.Operand;
int arrayCount = ((Int32Value)emulator.Pop()).Value;
if (arrayType.FullName == "System.Char")
{
emulator.Push(new UserValue(new char[arrayCount]));
}
else
{
emulator.Push(new UnknownValue());
}
break;
case Code.Call:
case Code.Callvirt:
if (!DoCall(instr))
{
return(false);
}
break;
case Code.Ldelem_U1:
arrayIndex = ((Int32Value)emulator.Pop()).Value;
array = (Value)emulator.Pop();
if (array is UserValue)
{
emulator.Push(new Int32Value(((byte[])((UserValue)array).obj)[arrayIndex]));
}
else
{
emulator.Push(Int32Value.CreateUnknownUInt8());
}
break;
case Code.Stelem_I1:
value = emulator.Pop();
arrayIndex = ((Int32Value)emulator.Pop()).Value;
array = (Value)emulator.Pop();
if (array is UserValue)
{
((byte[])((UserValue)array).obj)[arrayIndex] = (byte)((Int32Value)value).Value;
}
break;
case Code.Stelem_I2:
value = emulator.Pop();
arrayIndex = ((Int32Value)emulator.Pop()).Value;
array = (Value)emulator.Pop();
if (array is UserValue)
{
((char[])((UserValue)array).obj)[arrayIndex] = (char)((Int32Value)value).Value;
}
break;
case Code.Ldelem_Ref:
arrayIndex = ((Int32Value)emulator.Pop()).Value;
array = (Value)emulator.Pop();
var userValue = array as UserValue;
if (userValue != null && userValue.obj is string[])
{
emulator.Push(new StringValue(((string[])userValue.obj)[arrayIndex]));
}
else
{
emulator.Push(new UnknownValue());
}
break;
case Code.Ldsfld:
emulator.Push(new UserValue((IField)instr.Operand));
break;
default:
emulator.Emulate(instr);
break;
}
index++;
}
}
public static Int32Value Conv_Ovf_U1_Un(Real8Value a)
{
return(Int32Value.CreateUnknownUInt8());
}
public static Int32Value Conv_Ovf_U1_Un(Real8Value a) => Int32Value.CreateUnknownUInt8();
