def interpret(self, context):
value = self.expression.interpret(context)
if value is not None:
target = getTargetType(context, self.itype, self.mutable)
if isinstance(value,
IntegerValue) and target == DecimalType.instance:
value = DecimalValue(value.DecimalValue())
elif isinstance(value,
DecimalValue) and target == IntegerType.instance:
return IntegerValue(value.IntegerValue())
elif target.isMoreSpecificThan(context, value.itype):
value.itype = self.itype
return value
def interpret(self, context):
value = self.expression.interpret(context)
if value is not None and value != NullValue.instance:
target = getTargetType(context, self.itype, self.mutable)
if target != value.itype:
if isinstance(value, IntegerValue) and target == DecimalType.instance:
value = DecimalValue(value.DecimalValue())
elif isinstance(value, DecimalValue) and target == IntegerType.instance:
return IntegerValue(value.IntegerValue())
elif value.itype.isAssignableFrom(context, target):
value.itype = self.itype
elif not target.isAssignableFrom(context, value.itype):
raise SyntaxError("Cannot cast " + str(value.itype) + " to " + str(self.itype))
return value