public int GetCoercionScore(int type)
{
Validity.Assert(null != CoerceTypes);
int score = (int)ProtoCore.DSASM.ProcedureDistance.NotMatchScore;
if (type == ID)
{
return((int)ProtoCore.DSASM.ProcedureDistance.ExactMatchScore);
}
if ((int)PrimitiveType.Null == ID)
{
score = (int)ProtoCore.DSASM.ProcedureDistance.CoerceScore;
}
else
{
if (CoerceTypes.ContainsKey(type))
{
score = CoerceTypes[type];
}
}
return(score);
}
public bool ConvertibleTo(int type)
{
Validity.Assert(null != CoerceTypes);
Validity.Assert((int)PrimitiveType.InvalidType != ID);
if ((int)PrimitiveType.Null == ID || CoerceTypes.ContainsKey(type))
{
return true;
}
//chars are convertible to string
else if (ID == (int)PrimitiveType.Char && type==(int)PrimitiveType.String)
{
return true;
}
//user defined type to bool
else if (ID >=(int)PrimitiveType.MaxPrimitive && type == (int)PrimitiveType.Bool)
{
return true;
}
//string to boolean
else if (ID == (int)PrimitiveType.String && type == (int)PrimitiveType.Bool)
{
return true;
}
//char to boolean
else if (ID == (int)PrimitiveType.Char && type == (int)PrimitiveType.Bool)
{
return true;
}
return false;
}