// Returns true of the two types are equivalent primitive types. Used by array casts.
private static bool ArePrimitveTypesEquivalentSize(TypeDesc type1, TypeDesc type2)
{
Debug.Assert(type1.IsPrimitive && type2.IsPrimitive);
// Primitive types such as E_T_I4 and E_T_U4 are interchangeable
// Enums with interchangeable underlying types are interchangable
// BOOL is NOT interchangeable with I1/U1, neither CHAR -- with I2/U2
// Float and double are not interchangable here.
int sourcePrimitiveTypeEquivalenceSize = type1.GetIntegralTypeMatchSize();
// Quick check to see if the first type can be matched.
if (sourcePrimitiveTypeEquivalenceSize == 0)
{
return(false);
}
int targetPrimitiveTypeEquivalenceSize = type2.GetIntegralTypeMatchSize();
return(sourcePrimitiveTypeEquivalenceSize == targetPrimitiveTypeEquivalenceSize);
}
// Returns true of the two types are equivalent primitive types. Used by array casts.
static private bool ArePrimitveTypesEquivalentSize(TypeDesc type1, TypeDesc type2)
{
Debug.Assert(type1.IsPrimitive && type2.IsPrimitive);
// Primitive types such as E_T_I4 and E_T_U4 are interchangeable
// Enums with interchangeable underlying types are interchangable
// BOOL is NOT interchangeable with I1/U1, neither CHAR -- with I2/U2
// Float and double are not interchangable here.
int sourcePrimitiveTypeEquivalenceSize = type1.GetIntegralTypeMatchSize();
// Quick check to see if the first type can be matched.
if (sourcePrimitiveTypeEquivalenceSize == 0)
{
return false;
}
int targetPrimitiveTypeEquivalenceSize = type2.GetIntegralTypeMatchSize();
return sourcePrimitiveTypeEquivalenceSize == targetPrimitiveTypeEquivalenceSize;
}