def add_to(self, other):
"""
Concatenate String instances together.
:param other: Other String instance.
:return: New concatenated String instance.
"""
if isinstance(other, String):
return String(self.value + other.value).set_context(
self.context), None
return None, Value.illegal_operation(self, other)
def multiply_by(self, other):
"""
Multiply a String by a Number instance.
:param other: Number instance.
:return: New String written out Number-times.
"""
if isinstance(other, Number):
return String(self.value * other.value).set_context(
self.context), None
return None, Value.illegal_operation(self, other)
def power_by(self, other):
"""
Raise two Number values together.
No possible errors can occur for power operations between Numbers.
:param other: Number instance.
:return: Number instance with the multiplied value.
"""
if isinstance(other, Number):
return Number(self.value**other.value).set_context(
self.context), None
else:
return None, Value.illegal_operation(other)
def subtract_by(self, other):
"""
Subtract two Number values together.
No possible errors can occur for subtraction between Numbers.
:param other: Number instance.
:return: Number instance with the subtracted value.
"""
if isinstance(other, Number):
return Number(self.value - other.value).set_context(
self.context), None
else:
return None, Value.illegal_operation(other)
def add_to(self, other):
"""
Add two Number values together.
No possible errors can occur for addition between Numbers.
:param other: Number instance.
:return: Number instance with the summed value.
"""
if isinstance(other, Number):
return Number(self.value + other.value).set_context(
self.context), None
else:
return None, Value.illegal_operation(other)
def modulo_by(self, other):
"""
Takes modulo of two Number values.
:param other: Number instance.
:return: Number instance with the modulo remainder value.
"""
if isinstance(other, Number):
if other.value == 0:
return None, ActiveRuntimeError('Division by 0 not allowed',
other.start_pos, other.end_pos,
self.context)
return Number(self.value % other.value).set_context(
self.context), None
else:
return None, Value.illegal_operation(other)
def divide_by(self, other, clean=False):
"""
Divide two Number values together.
:param other: Number instance.
:param clean: True to perform a clean division.
:return: Number instance with the divided value.
"""
if isinstance(other, Number):
if other.value == 0:
return None, ActiveRuntimeError('Division by 0 not allowed',
other.start_pos, other.end_pos,
self.context)
if clean: # Perform integer division
return Number(self.value // other.value).set_context(
self.context), None
else: # Perform regular floating point division
return Number(self.value / other.value).set_context(
self.context), None
else:
return None, Value.illegal_operation(other)