protected override void DoInitStackAnalysis(MethodBase aMethod)
{
base.DoInitStackAnalysis(aMethod);
switch (OpCode)
{
case Code.Ldsfld:
StackPushTypes[0] = Value.FieldType;
if (StackPushTypes[0].IsEnum)
{
StackPushTypes[0] = StackPushTypes[0].GetEnumUnderlyingType();
}
return;
case Code.Ldsflda:
StackPushTypes[0] = typeof(IntPtr);
return;
case Code.Ldfld:
StackPushTypes[0] = Value.FieldType;
if (StackPushTypes[0].IsEnum)
{
StackPushTypes[0] = StackPushTypes[0].GetEnumUnderlyingType();
}
if (!Value.DeclaringType.IsValueType)
{
StackPopTypes[0] = Value.DeclaringType;
}
return;
case Code.Ldflda:
StackPopTypes[0] = Value.DeclaringType;
if (StackPopTypes[0].IsEnum)
{
StackPopTypes[0] = StackPopTypes[0].GetEnumUnderlyingType();
}
if (StackPopTypes[0].IsValueType)
{
StackPopTypes[0] = StackPopTypes[0].MakeByRefType();
}
StackPushTypes[0] = ILOp.IsPointer(StackPopTypes[0]) ? StackPopTypes[0] : Value.FieldType.MakeByRefType();
return;
}
}
public override void DoInterpretStackTypes()
{
switch (OpCode)
{
case Code.Stfld:
// pop type 0 is value and pop type 1 is object
var expectedType = Value.FieldType;
if (expectedType.IsEnum)
{
expectedType = expectedType.GetEnumUnderlyingType();
}
if (StackPopTypes[1] == typeof(void *))
{
return;
}
if (StackPopTypes[1] == expectedType ||
StackPopTypes[1] == Value.FieldType)
{
return;
}
if ((ILOp.IsPointer(Value.FieldType) || ILOp.IsIntegerBasedType(Value.FieldType)) &&
(ILOp.IsIntegerBasedType(StackPopTypes[1]) || ILOp.IsPointer(StackPopTypes[1])))
{
return;
}
if (expectedType == typeof(bool))
{
if (StackPopTypes[1] == typeof(int))
{
return;
}
}
if (StackPopTypes[1] == typeof(NullRef))
{
return;
}
if (expectedType.IsAssignableFrom(StackPopTypes[1]))
{
return;
}
if (StackPopTypes[0] == null)
{
return;
}
if (expectedType.IsAssignableFrom(StackPopTypes[0]))
{
return;
}
if (ILOp.IsObject(expectedType) && ILOp.IsObject(StackPopTypes[0]))
{
return;
}
if (ILOp.IsPointer(expectedType) && ILOp.IsPointer(StackPopTypes[0]))
{
return;
}
if (ILOp.IsIntegerBasedType(expectedType) && ILOp.IsIntegerBasedType(StackPopTypes[0]))
{
return;
}
throw new Exception($"Wrong Poptype encountered! (Field Type = {StackPopTypes[0].FullName} expected = {expectedType.FullName})");
case Code.Stsfld:
if (StackPopTypes[0] == null)
{
return;
}
if (StackPopTypes[0] == typeof(void *))
{
return;
}
expectedType = Value.FieldType;
if (expectedType.IsEnum)
{
expectedType = expectedType.GetEnumUnderlyingType();
}
if (StackPopTypes[0] == expectedType ||
StackPopTypes[0] == Value.FieldType)
{
return;
}
if (ILOp.IsIntegerBasedType(expectedType) &&
ILOp.IsIntegerBasedType(StackPopTypes[0]))
{
return;
}
if (ILOp.IsLongBasedType(expectedType) &&
ILOp.IsLongBasedType(StackPopTypes[0]))
{
return;
}
if (expectedType == typeof(bool))
{
if (StackPopTypes[0] == typeof(int))
{
return;
}
}
if (expectedType.IsAssignableFrom(StackPopTypes[0]))
{
return;
}
if (StackPopTypes[0] == typeof(NullRef))
{
return;
}
if ((StackPopTypes[0] == typeof(IntPtr) ||
StackPopTypes[0] == typeof(UIntPtr))
& expectedType.IsPointer)
{
return;
}
throw new Exception("Wrong Poptype encountered! (Type = " + StackPopTypes[0].FullName + ", expected = " + expectedType.FullName + ")");
case Code.Ldfld:
if (StackPopTypes[0] == null)
{
return;
}
if (!Value.DeclaringType.IsValueType)
{
return;
}
if (StackPopTypes[0] == Value.DeclaringType.MakePointerType() ||
StackPopTypes[0] == Value.DeclaringType.MakeByRefType() ||
StackPopTypes[0] == typeof(void *) ||
StackPopTypes[0] == typeof(IntPtr))
{
return;
}
if (StackPopTypes[0] == Value.DeclaringType)
{
return;
}
throw new Exception("Wrong Poptype encountered! (Type = " + StackPopTypes[0].FullName + ", expected = " + Value.DeclaringType.FullName + ")");
}
}
public override void DoInterpretStackTypes()
{
switch (OpCode)
{
case Code.Add:
case Code.Add_Ovf:
case Code.Add_Ovf_Un:
case Code.Mul:
case Code.Mul_Ovf:
case Code.Mul_Ovf_Un:
case Code.Div:
case Code.Div_Un:
case Code.Sub:
case Code.Sub_Ovf:
case Code.Sub_Ovf_Un:
case Code.Rem:
case Code.Rem_Un:
case Code.Xor:
case Code.And:
case Code.Or:
if (StackPushTypes[0] != null)
{
return;
}
if (!StackPopTypes.Contains(null))
{
// PopTypes set, but PushType not yet, so fill it.
if (StackPopTypes[0] == StackPopTypes[1])
{
StackPushTypes[0] = StackPopTypes[0];
return;
}
if (ILOp.IsIntegerBasedType(StackPopTypes[0]) && ILOp.IsIntegerBasedType(StackPopTypes[1]))
{
StackPushTypes[0] = typeof(int);
return;
}
if (ILOp.IsLongBasedType(StackPopTypes[0]) && ILOp.IsLongBasedType(StackPopTypes[1]))
{
StackPushTypes[0] = typeof(long);
return;
}
if (ILOp.IsPointer(StackPopTypes[0]) && ILOp.IsPointer(StackPopTypes[1]))
{
StackPushTypes[0] = typeof(uint *);
return;
}
if ((ILOp.IsPointer(StackPopTypes[0]) && ILOp.IsIntegerBasedType(StackPopTypes[1])) ||
(ILOp.IsIntegerBasedType(StackPopTypes[0]) && ILOp.IsPointer(StackPopTypes[1])))
{
StackPushTypes[0] = typeof(uint *);
return;
}
throw new NotImplementedException(string.Format("{0} on types '{1}' and '{2}' {3} not yet implemented!", OpCode, StackPopTypes[0], StackPopTypes[1], StackPopTypes[1].IsByRef));
}
break;
case Code.Localloc:
StackPushTypes[0] = typeof(void *);
return;
case Code.Stelem_I2:
var xTypeValue = StackPopTypes[0];
if (xTypeValue == null)
{
return;
}
if (xTypeValue == typeof(byte) ||
xTypeValue == typeof(char) ||
xTypeValue == typeof(short) ||
xTypeValue == typeof(ushort) ||
xTypeValue == typeof(int))
{
return;
}
throw new NotImplementedException(String.Format("Stelem_I2 storing type '{0}' is not implemented!", xTypeValue));
case Code.Shl:
case Code.Shr:
case Code.Shr_Un:
xTypeValue = StackPopTypes[1];
var xTypeShift = StackPopTypes[0];
if (xTypeValue == null || xTypeShift == null)
{
return;
}
if (xTypeValue == typeof(int) && xTypeShift == typeof(int))
{
StackPushTypes[0] = typeof(int);
return;
}
if (xTypeValue == typeof(byte) && xTypeShift == typeof(int))
{
StackPushTypes[0] = typeof(int);
return;
}
if (xTypeValue == typeof(long) && xTypeShift == typeof(int))
{
StackPushTypes[0] = typeof(long);
return;
}
if (xTypeValue == typeof(IntPtr) && xTypeShift == typeof(int))
{
StackPushTypes[0] = typeof(int);
return;
}
if (xTypeValue == typeof(int) && xTypeShift == typeof(IntPtr))
{
StackPushTypes[0] = typeof(int);
return;
}
if (xTypeValue == typeof(ushort) && xTypeShift == typeof(int))
{
StackPushTypes[0] = typeof(int);
return;
}
if (xTypeValue == typeof(char) && xTypeShift == typeof(int))
{
StackPushTypes[0] = typeof(int);
return;
}
if (xTypeValue == typeof(uint) && xTypeShift == typeof(int))
{
StackPushTypes[0] = typeof(int);
return;
}
if (xTypeValue == typeof(long) && xTypeShift == typeof(IntPtr))
{
StackPushTypes[0] = typeof(long);
return;
}
if (xTypeValue == typeof(IntPtr) && xTypeShift == typeof(IntPtr))
{
StackPushTypes[0] = typeof(IntPtr);
return;
}
if (xTypeValue == typeof(IntPtr) && xTypeShift == typeof(IntPtr))
{
StackPushTypes[0] = typeof(IntPtr);
return;
}
if (xTypeValue == typeof(ulong) && xTypeShift == typeof(int))
{
StackPushTypes[0] = typeof(ulong);
return;
}
if (xTypeValue == typeof(sbyte) && xTypeShift == typeof(int))
{
StackPushTypes[0] = typeof(int);
return;
}
if (xTypeValue == typeof(short) && xTypeShift == typeof(int))
{
StackPushTypes[0] = typeof(int);
return;
}
if (xTypeValue == typeof(UIntPtr) && xTypeShift == typeof(int))
{
StackPushTypes[0] = typeof(UIntPtr);
return;
}
if (xTypeValue == typeof(char *) && xTypeShift == typeof(int))
{
StackPushTypes[0] = typeof(char *);
return;
}
throw new NotImplementedException(String.Format("{0} with types {1} and {2} is not implemented!", OpCode, xTypeValue.FullName, xTypeShift.FullName));
case Code.Ldelem_Ref:
if (StackPushTypes[0] != null)
{
return;
}
var xTypeArray = StackPopTypes[1];
if (xTypeArray == null)
{
return;
}
if (!xTypeArray.IsArray)
{
throw new Exception("Ldelem Array type is not an array (Actual = " + xTypeArray.FullName + ")");
}
StackPushTypes[0] = xTypeArray.GetElementType();
break;
case Code.Not:
case Code.Neg:
if (StackPushTypes[0] != null)
{
return;
}
if (StackPopTypes[0] != null)
{
StackPushTypes[0] = StackPopTypes[0];
return;
}
break;
case Code.Dup:
if (StackPopTypes[0] != null)
{
StackPushTypes[0] = StackPopTypes[0];
StackPushTypes[1] = StackPopTypes[0];
return;
}
return;
case Code.Stind_I1:
if (!ILOp.IsIntegerBasedType(StackPopTypes[0]))
{
throw new Exception("Wrong value type: " + StackPopTypes[0].FullName);
}
if (!ILOp.IsPointer(StackPopTypes[1]) && StackPopTypes[1] != typeof(int)) // can either be pointer or native int
{
throw new Exception("Wrong Pointer type: " + StackPopTypes[1].FullName);
}
break;
case Code.Stind_I2:
if (!ILOp.IsIntegerBasedType(StackPopTypes[0]))
{
throw new Exception("Wrong value type: " + StackPopTypes[0].FullName);
}
if (!ILOp.IsPointer(StackPopTypes[1]) && StackPopTypes[1] != typeof(int))
{
throw new Exception("Wrong Pointer type: " + StackPopTypes[1].FullName);
}
break;
case Code.Stind_I4:
if (!ILOp.IsIntegerBasedType(StackPopTypes[0]))
{
throw new Exception("Wrong value type: " + StackPopTypes[0].FullName);
}
if (!ILOp.IsPointer(StackPopTypes[1]) && StackPopTypes[1] != typeof(int))
{
throw new Exception("Wrong Pointer type: " + StackPopTypes[1].FullName);
}
break;
case Code.Stind_I8:
if (!ILOp.IsLongBasedType(StackPopTypes[0]))
{
throw new Exception("Wrong value type: " + StackPopTypes[0].FullName);
}
if (!ILOp.IsPointer(StackPopTypes[1]) && StackPopTypes[1] != typeof(int))
{
throw new Exception("Wrong Pointer type: " + StackPopTypes[1].FullName);
}
break;
case Code.Stind_I:
if (!ILOp.IsIntegralTypeOrPointer(StackPopTypes[0]))
{
throw new Exception("Wrong value type: " + StackPopTypes[0].FullName);
}
if (!ILOp.IsPointer(StackPopTypes[1]) && StackPopTypes[1] != typeof(int))
{
throw new Exception("Wrong Pointer type: " + StackPopTypes[1].FullName);
}
break;
case Code.Ldind_Ref:
if (StackPushTypes[0] != null)
{
return;
}
if (StackPopTypes[0] == null)
{
return;
}
if (!StackPopTypes[0].IsByRef && !StackPopTypes[0].IsPointer)
{
throw new Exception("Invalid ref type: " + StackPopTypes[0].FullName);
}
if (StackPopTypes[0].IsPointer)
{
StackPushTypes[0] = typeof(object);
}
else
{
StackPushTypes[0] = StackPopTypes[0].GetElementType();
}
break;
}
}
protected override void DoInterpretStackTypes(ref bool aSituationChanged)
{
base.DoInterpretStackTypes(ref aSituationChanged);
switch (OpCode)
{
case Code.Add:
case Code.Add_Ovf:
case Code.Add_Ovf_Un:
case Code.Mul:
case Code.Mul_Ovf:
case Code.Mul_Ovf_Un:
case Code.Div:
case Code.Div_Un:
case Code.Sub:
case Code.Sub_Ovf:
case Code.Sub_Ovf_Un:
case Code.Rem:
case Code.Rem_Un:
case Code.Xor:
case Code.And:
case Code.Or:
if (StackPushTypes[0] != null)
{
return;
}
if (!StackPopTypes.Contains(null))
{
// PopTypes set, but PushType not yet, so fill it.
if (StackPopTypes[0] == typeof(bool) && StackPopTypes[1] == typeof(bool))
{
StackPushTypes[0] = typeof(bool);
aSituationChanged = true;
return;
}
if ((StackPopTypes[0] == typeof(bool) && StackPopTypes[1] == typeof(Int32)) ||
(StackPopTypes[0] == typeof(Int32) && StackPopTypes[1] == typeof(bool)))
{
StackPushTypes[0] = typeof(Int32);
aSituationChanged = true;
return;
}
if ((StackPopTypes[0] == typeof(IntPtr) && StackPopTypes[1] == typeof(uint *)) ||
(StackPopTypes[0] == typeof(uint *) && StackPopTypes[1] == typeof(IntPtr)))
{
StackPushTypes[0] = typeof(uint *);
aSituationChanged = true;
return;
}
if ((StackPopTypes[0] == typeof(UIntPtr) && StackPopTypes[1] == typeof(uint *)) ||
(StackPopTypes[0] == typeof(uint *) && StackPopTypes[1] == typeof(UIntPtr)))
{
StackPushTypes[0] = typeof(uint *);
aSituationChanged = true;
return;
}
if ((StackPopTypes[0] == typeof(uint) && StackPopTypes[1] == typeof(byte *)) ||
(StackPopTypes[0] == typeof(byte *) && StackPopTypes[1] == typeof(uint)))
{
StackPushTypes[0] = typeof(byte *);
aSituationChanged = true;
return;
}
if ((StackPopTypes[0] == typeof(int) && StackPopTypes[1] == typeof(byte *)) ||
(StackPopTypes[0] == typeof(byte *) && StackPopTypes[1] == typeof(int)))
{
StackPushTypes[0] = typeof(byte *);
aSituationChanged = true;
return;
}
if ((StackPopTypes[0] == typeof(IntPtr) && StackPopTypes[1] == typeof(byte *)) ||
(StackPopTypes[0] == typeof(byte *) && StackPopTypes[1] == typeof(IntPtr)))
{
StackPushTypes[0] = typeof(byte *);
aSituationChanged = true;
return;
}
if ((StackPopTypes[0] == typeof(IntPtr) && StackPopTypes[1] == typeof(char *)) ||
(StackPopTypes[0] == typeof(char *) && StackPopTypes[1] == typeof(IntPtr)))
{
StackPushTypes[0] = typeof(char *);
aSituationChanged = true;
return;
}
if ((StackPopTypes[0] == typeof(UIntPtr) && StackPopTypes[1] == typeof(char *)) ||
(StackPopTypes[0] == typeof(char *) && StackPopTypes[1] == typeof(UIntPtr)))
{
StackPushTypes[0] = typeof(char *);
aSituationChanged = true;
return;
}
if ((StackPopTypes[0] == typeof(IntPtr) && StackPopTypes[1] == typeof(uint)) ||
(StackPopTypes[0] == typeof(uint) && StackPopTypes[1] == typeof(IntPtr)))
{
StackPushTypes[0] = typeof(UIntPtr);
aSituationChanged = true;
return;
}
if ((StackPopTypes[0] == typeof(int) && StackPopTypes[1] == typeof(UIntPtr)) ||
(StackPopTypes[0] == typeof(UIntPtr) && StackPopTypes[1] == typeof(int)))
{
StackPushTypes[0] = typeof(UIntPtr);
aSituationChanged = true;
return;
}
if ((StackPopTypes[0] == typeof(int) && StackPopTypes[1] == typeof(IntPtr)) ||
(StackPopTypes[0] == typeof(IntPtr) && StackPopTypes[1] == typeof(int)))
{
StackPushTypes[0] = typeof(IntPtr);
aSituationChanged = true;
return;
}
if ((StackPopTypes[0] == typeof(int) && StackPopTypes[1] == typeof(uint)) ||
(StackPopTypes[0] == typeof(uint) && StackPopTypes[1] == typeof(int)))
{
StackPushTypes[0] = typeof(int);
aSituationChanged = true;
return;
}
if ((StackPopTypes[0] == typeof(short) && StackPopTypes[1] == typeof(ushort)) ||
(StackPopTypes[0] == typeof(ushort) && StackPopTypes[1] == typeof(short)))
{
StackPushTypes[0] = typeof(short);
aSituationChanged = true;
return;
}
if ((StackPopTypes[0] == typeof(int) && StackPopTypes[1] == typeof(byte)) ||
(StackPopTypes[0] == typeof(byte) && StackPopTypes[1] == typeof(int)))
{
StackPushTypes[0] = typeof(int);
aSituationChanged = true;
return;
}
if ((StackPopTypes[0] == typeof(int) && StackPopTypes[1] == typeof(short)) ||
(StackPopTypes[0] == typeof(short) && StackPopTypes[1] == typeof(int)))
{
StackPushTypes[0] = typeof(int);
aSituationChanged = true;
return;
}
if ((StackPopTypes[0] == typeof(long) && StackPopTypes[1] == typeof(ulong)) ||
(StackPopTypes[0] == typeof(ulong) && StackPopTypes[1] == typeof(long)))
{
StackPushTypes[0] = typeof(long);
aSituationChanged = true;
return;
}
if ((StackPopTypes[0] == typeof(int) && StackPopTypes[1] == typeof(ushort)) ||
(StackPopTypes[0] == typeof(ushort) && StackPopTypes[1] == typeof(int)))
{
StackPushTypes[0] = typeof(int);
aSituationChanged = true;
return;
}
if ((StackPopTypes[0] == typeof(byte) && StackPopTypes[1] == typeof(uint)) ||
(StackPopTypes[0] == typeof(uint) && StackPopTypes[1] == typeof(byte)))
{
StackPushTypes[0] = typeof(int);
aSituationChanged = true;
return;
}
if ((StackPopTypes[0] == typeof(ushort) && StackPopTypes[1] == typeof(uint)) ||
(StackPopTypes[0] == typeof(uint) && StackPopTypes[1] == typeof(ushort)))
{
StackPushTypes[0] = typeof(uint);
aSituationChanged = true;
return;
}
if ((StackPopTypes[0] == typeof(int) && StackPopTypes[1] == typeof(char)) ||
(StackPopTypes[0] == typeof(char) && StackPopTypes[1] == typeof(int)))
{
StackPushTypes[0] = typeof(int);
aSituationChanged = true;
return;
}
if ((StackPopTypes[0] == typeof(IntPtr) && StackPopTypes[1] == typeof(UIntPtr)) ||
(StackPopTypes[0] == typeof(UIntPtr) && StackPopTypes[1] == typeof(IntPtr)))
{
StackPushTypes[0] = typeof(UIntPtr);
aSituationChanged = true;
return;
}
if (StackPopTypes[0] == typeof(IntPtr) && StackPopTypes[1] == typeof(IntPtr))
{
StackPushTypes[0] = typeof(IntPtr);
aSituationChanged = true;
return;
}
if (StackPopTypes[0] == typeof(uint) && StackPopTypes[1] == typeof(uint))
{
StackPushTypes[0] = typeof(uint);
aSituationChanged = true;
return;
}
if (StackPopTypes[0] == typeof(uint) && StackPopTypes[1] == typeof(char))
{
StackPushTypes[0] = typeof(uint);
aSituationChanged = true;
return;
}
if (StackPopTypes[0] == typeof(byte) && StackPopTypes[1] == typeof(byte))
{
StackPushTypes[0] = typeof(byte);
aSituationChanged = true;
return;
}
if (StackPopTypes[0] == typeof(byte) && StackPopTypes[1] == typeof(ushort) ||
StackPopTypes[0] == typeof(ushort) && StackPopTypes[1] == typeof(byte))
{
StackPushTypes[0] = typeof(ushort);
aSituationChanged = true;
return;
}
if (StackPopTypes[0] == typeof(int) && StackPopTypes[1] == typeof(int))
{
StackPushTypes[0] = typeof(int);
aSituationChanged = true;
return;
}
if ((StackPopTypes[0] == typeof(int) && StackPopTypes[1] == typeof(bool)) ||
(StackPopTypes[0] == typeof(bool) && StackPopTypes[1] == typeof(int)))
{
StackPushTypes[0] = typeof(int);
aSituationChanged = true;
return;
}
if (StackPopTypes[0] == typeof(ushort) && StackPopTypes[1] == typeof(ushort))
{
StackPushTypes[0] = typeof(ushort);
aSituationChanged = true;
return;
}
//Changed
if (StackPopTypes[0] == typeof(short) && StackPopTypes[1] == typeof(short))
{
StackPushTypes[0] = typeof(short);
aSituationChanged = true;
return;
}
if (StackPopTypes[0] == typeof(long) && StackPopTypes[1] == typeof(long))
{
StackPushTypes[0] = typeof(long);
aSituationChanged = true;
return;
}
if (StackPopTypes[0] == typeof(ulong) && StackPopTypes[1] == typeof(ulong))
{
StackPushTypes[0] = typeof(ulong);
aSituationChanged = true;
return;
}
if (StackPopTypes[0] == typeof(Double) && StackPopTypes[1] == typeof(Double))
{
StackPushTypes[0] = typeof(Double);
aSituationChanged = true;
return;
}
if (StackPopTypes[0] == typeof(Single) && StackPopTypes[1] == typeof(Single))
{
StackPushTypes[0] = typeof(Single);
aSituationChanged = true;
return;
}
if (StackPopTypes[0] == typeof(Char) && StackPopTypes[1] == typeof(Char))
{
StackPushTypes[0] = typeof(Char);
aSituationChanged = true;
return;
}
if ((StackPopTypes[0] == typeof(int) && StackPopTypes[1] == typeof(sbyte)) ||
(StackPopTypes[0] == typeof(sbyte) && StackPopTypes[1] == typeof(int)))
{
StackPushTypes[0] = typeof(int);
aSituationChanged = true;
return;
}
if (StackPopTypes[0] == StackPopTypes[1] && StackPopTypes[0].IsPointer)
{
StackPushTypes[0] = StackPopTypes[0];
aSituationChanged = true;
return;
}
if (StackPopTypes[0] == typeof(int) &&
StackPopTypes[1].IsPointer)
{
StackPushTypes[0] = StackPopTypes[1];
aSituationChanged = true;
return;
}
if ((StackPopTypes[0] == typeof(IntPtr) || StackPopTypes[0] == typeof(UIntPtr)) &&
StackPopTypes[1].IsPointer)
{
StackPushTypes[0] = StackPopTypes[1];
aSituationChanged = true;
return;
}
if (OpCode == Code.Add &&
((StackPopTypes[0] == typeof(IntPtr) && (StackPopTypes[1].IsPointer || StackPopTypes[1].IsByRef)) ||
((StackPopTypes[0].IsPointer || StackPopTypes[0].IsByRef) && StackPopTypes[1] == typeof(IntPtr))))
{
if (StackPopTypes[0] == typeof(IntPtr))
{
StackPushTypes[0] = StackPopTypes[1];
}
else
{
StackPushTypes[0] = StackPopTypes[0];
}
aSituationChanged = true;
return;
}
throw new NotImplementedException(string.Format("{0} on types '{1}' and '{2}' not yet implemented!", OpCode, StackPopTypes[0], StackPopTypes[1]));
}
break;
case Code.Localloc:
StackPushTypes[0] = typeof(void *);
aSituationChanged = true;
return;
case Code.Stelem_I2:
var xTypeValue = StackPopTypes[0];
if (xTypeValue == null)
{
return;
}
if (xTypeValue == typeof(byte) ||
xTypeValue == typeof(char) ||
xTypeValue == typeof(short) ||
xTypeValue == typeof(ushort) ||
xTypeValue == typeof(int))
{
return;
}
throw new NotImplementedException(String.Format("Stelem_I2 storing type '{0}' is not implemented!", xTypeValue));
case Code.Shl:
case Code.Shr:
case Code.Shr_Un:
xTypeValue = StackPopTypes[1];
var xTypeShift = StackPopTypes[0];
if (xTypeValue == null || xTypeShift == null)
{
return;
}
if (xTypeValue == typeof(int) && xTypeShift == typeof(int))
{
StackPushTypes[0] = typeof(int);
aSituationChanged = true;
return;
}
if (xTypeValue == typeof(byte) && xTypeShift == typeof(int))
{
StackPushTypes[0] = typeof(int);
aSituationChanged = true;
return;
}
if (xTypeValue == typeof(long) && xTypeShift == typeof(int))
{
StackPushTypes[0] = typeof(long);
aSituationChanged = true;
return;
}
if (xTypeValue == typeof(IntPtr) && xTypeShift == typeof(int))
{
StackPushTypes[0] = typeof(int);
aSituationChanged = true;
return;
}
if (xTypeValue == typeof(int) && xTypeShift == typeof(IntPtr))
{
StackPushTypes[0] = typeof(int);
aSituationChanged = true;
return;
}
if (xTypeValue == typeof(ushort) && xTypeShift == typeof(int))
{
StackPushTypes[0] = typeof(int);
aSituationChanged = true;
return;
}
if (xTypeValue == typeof(char) && xTypeShift == typeof(int))
{
StackPushTypes[0] = typeof(int);
aSituationChanged = true;
return;
}
if (xTypeValue == typeof(uint) && xTypeShift == typeof(int))
{
StackPushTypes[0] = typeof(int);
aSituationChanged = true;
return;
}
if (xTypeValue == typeof(long) && xTypeShift == typeof(IntPtr))
{
StackPushTypes[0] = typeof(long);
aSituationChanged = true;
return;
}
if (xTypeValue == typeof(IntPtr) && xTypeShift == typeof(IntPtr))
{
StackPushTypes[0] = typeof(IntPtr);
aSituationChanged = true;
return;
}
if (xTypeValue == typeof(IntPtr) && xTypeShift == typeof(IntPtr))
{
StackPushTypes[0] = typeof(IntPtr);
aSituationChanged = true;
return;
}
if (xTypeValue == typeof(ulong) && xTypeShift == typeof(int))
{
StackPushTypes[0] = typeof(ulong);
aSituationChanged = true;
return;
}
if (xTypeValue == typeof(sbyte) && xTypeShift == typeof(int))
{
StackPushTypes[0] = typeof(int);
aSituationChanged = true;
return;
}
if (xTypeValue == typeof(short) && xTypeShift == typeof(int))
{
StackPushTypes[0] = typeof(int);
aSituationChanged = true;
return;
}
throw new NotImplementedException(String.Format("{0} with types {1} and {2} is not implemented!", OpCode, xTypeValue.FullName, xTypeShift.FullName));
case Code.Ldelem_Ref:
if (StackPushTypes[0] != null)
{
return;
}
var xTypeArray = StackPopTypes[1];
if (xTypeArray == null)
{
return;
}
if (!xTypeArray.IsArray)
{
throw new Exception("Ldelem Array type is not an array (Actual = " + xTypeArray.FullName + ")");
}
StackPushTypes[0] = xTypeArray.GetElementType();
aSituationChanged = true;
break;
case Code.Not:
case Code.Neg:
if (StackPushTypes[0] != null)
{
return;
}
if (StackPopTypes[0] != null)
{
StackPushTypes[0] = StackPopTypes[0];
aSituationChanged = true;
return;
}
break;
case Code.Dup:
if (StackPushTypes[0] != null && StackPushTypes[1] != null)
{
return;
}
if (StackPopTypes[0] != null)
{
StackPushTypes[0] = StackPopTypes[0];
StackPushTypes[1] = StackPopTypes[0];
aSituationChanged = true;
return;
}
return;
case Code.Stind_I1:
if (StackPopTypes[1] == null || StackPopTypes[0] == null)
{
return;
}
if (!ILOp.IsIntegralType(StackPopTypes[0]))
{
throw new Exception("Wrong value type: " + StackPopTypes[0].FullName);
}
if (!ILOp.IsPointer(StackPopTypes[1]))
{
throw new Exception("Wrong Pointer type: " + StackPopTypes[1].FullName);
}
break;
case Code.Stind_I2:
if (StackPopTypes[1] == null || StackPopTypes[0] == null)
{
return;
}
if (!ILOp.IsIntegralType(StackPopTypes[0]))
{
throw new Exception("Wrong value type: " + StackPopTypes[0].FullName);
}
if (!ILOp.IsPointer(StackPopTypes[1]))
{
throw new Exception("Wrong Pointer type: " + StackPopTypes[1].FullName);
}
break;
case Code.Stind_I4:
if (StackPopTypes[1] == null || StackPopTypes[0] == null)
{
return;
}
if (!ILOp.IsIntegralType(StackPopTypes[0]))
{
throw new Exception("Wrong value type: " + StackPopTypes[0].FullName);
}
if (!ILOp.IsPointer(StackPopTypes[1]))
{
throw new Exception("Wrong Pointer type: " + StackPopTypes[1].FullName);
}
break;
case Code.Stind_I8:
if (StackPopTypes[1] == null || StackPopTypes[0] == null)
{
return;
}
if (!ILOp.IsIntegralType(StackPopTypes[0]))
{
throw new Exception("Wrong value type: " + StackPopTypes[0].FullName);
}
if (!ILOp.IsPointer(StackPopTypes[1]))
{
throw new Exception("Wrong Pointer type: " + StackPopTypes[1].FullName);
}
break;
case Code.Stind_I:
if (StackPopTypes[1] == null || StackPopTypes[0] == null)
{
return;
}
if (!ILOp.IsIntegralTypeOrPointer(StackPopTypes[0]))
{
throw new Exception("Wrong value type: " + StackPopTypes[0].FullName);
}
if (!ILOp.IsPointer(StackPopTypes[1]))
{
throw new Exception("Wrong Pointer type: " + StackPopTypes[1].FullName);
}
break;
case Code.Ldind_Ref:
if (StackPushTypes[0] != null)
{
return;
}
if (StackPopTypes[0] == null)
{
return;
}
if (!StackPopTypes[0].IsByRef && !StackPopTypes[0].IsPointer)
{
throw new Exception("Invalid ref type: " + StackPopTypes[0].FullName);
}
if (StackPopTypes[0].IsPointer)
{
StackPushTypes[0] = typeof(object);
}
else
{
StackPushTypes[0] = StackPopTypes[0].GetElementType();
}
aSituationChanged = true;
break;
}
}
protected override void DoInterpretStackTypes(ref bool aSituationChanged)
{
base.DoInterpretStackTypes(ref aSituationChanged);
switch (OpCode)
{
case Code.Stfld:
if (StackPopTypes[1] == null)
{
return;
}
var expectedType = Value.FieldType;
if (expectedType.IsEnum)
{
expectedType = expectedType.GetEnumUnderlyingType();
}
else if (Value.DeclaringType.IsValueType && !Value.DeclaringType.IsPrimitive)
{
expectedType = typeof(void *);
}
if (StackPopTypes[1] == expectedType ||
StackPopTypes[1] == Value.FieldType)
{
return;
}
if (ILOp.IsIntegralType(expectedType) &&
ILOp.IsIntegralType(StackPopTypes[1]))
{
return;
}
if (expectedType == typeof(bool))
{
if (StackPopTypes[1] == typeof(int))
{
return;
}
}
if (StackPopTypes[1] == typeof(NullRef))
{
return;
}
if (expectedType.IsAssignableFrom(StackPopTypes[1]))
{
return;
}
if (StackPopTypes[0] == null)
{
return;
}
if (Value.FieldType.IsAssignableFrom(StackPopTypes[0]))
{
return;
}
if (ILOp.IsIntegralType(Value.FieldType) &&
ILOp.IsIntegralType(StackPopTypes[0]))
{
return;
}
if (Value.FieldType == typeof(bool) &&
ILOp.IsIntegralType(StackPopTypes[0]))
{
return;
}
if (Value.FieldType.IsEnum)
{
if (ILOp.IsIntegralType(StackPopTypes[0]))
{
return;
}
}
if (ILOp.IsPointer(Value.FieldType) &&
ILOp.IsPointer(StackPopTypes[0]))
{
return;
}
if (Value.FieldType.IsClass &&
StackPopTypes[0] == typeof(NullRef))
{
return;
}
throw new Exception("Wrong Poptype encountered! (Type = " + StackPopTypes[0].FullName + ", expected = " + expectedType.FullName + ")");
// throw new Exception("Wrong Poptype encountered!");
case Code.Stsfld:
if (StackPopTypes[0] == null)
{
return;
}
expectedType = Value.FieldType;
if (expectedType.IsEnum)
{
expectedType = expectedType.GetEnumUnderlyingType();
}
if (StackPopTypes[0] == expectedType ||
StackPopTypes[0] == Value.FieldType)
{
return;
}
if (ILOp.IsIntegralType(expectedType) &&
ILOp.IsIntegralType(StackPopTypes[0]))
{
return;
}
if (expectedType == typeof(bool))
{
if (StackPopTypes[0] == typeof(int))
{
return;
}
}
if (expectedType.IsAssignableFrom(StackPopTypes[0]))
{
return;
}
if (StackPopTypes[0] == typeof(NullRef))
{
return;
}
if ((StackPopTypes[0] == typeof(IntPtr) ||
StackPopTypes[0] == typeof(UIntPtr))
& expectedType.IsPointer)
{
return;
}
throw new Exception("Wrong Poptype encountered! (Type = " + StackPopTypes[0].FullName + ", expected = " + expectedType.FullName + ")");
case Code.Ldfld:
if (StackPopTypes[0] == null)
{
return;
}
if (!Value.DeclaringType.IsValueType)
{
return;
}
if (StackPopTypes[0] == Value.DeclaringType.MakePointerType() ||
StackPopTypes[0] == Value.DeclaringType.MakeByRefType() ||
StackPopTypes[0] == typeof(void *) ||
StackPopTypes[0] == typeof(IntPtr))
{
return;
}
if (StackPopTypes[0] == Value.DeclaringType)
{
return;
}
throw new Exception("Wrong Poptype encountered! (Type = " + StackPopTypes[0].FullName + ", expected = " + Value.DeclaringType.FullName + ")");
}
}
