def add(node: ASTNode, _):
isatLeastOneString = Types.isStrictlyString(
node.left) or Types.isStrictlyString(node.right)
if isatLeastOneString:
node.value = str(node.left.value) + str(node.right.value)
node.dataType = Types.STRING
else:
node.value = node.left.value + node.right.value
node.dataType = Types.NUMERIC
def reverse_string(node: ASTNode):
left = node.left
if TypeChecker.isStrictlyString(left):
node.dataType = TypeChecker.STRING
return Result(True)
else:
return Result(False, getUniaryOpTypeErr(node))
def hybridAdd(node: ASTNode):
left = node.left
right = node.right
validType = lambda node: TypeChecker.isStrictlyString(
node) or TypeChecker.isLooselyNumeric(node)
if validType(left) and validType(right):
node.dataType = TypeChecker.NUMERIC if TypeChecker.isLooselyNumeric(
left) and TypeChecker.isLooselyNumeric(
right) else TypeChecker.STRING
return Result(True)
else:
return Result(False, getBinaryOpTypeErr(node))