From 25314fd2aed81aa5281bc3d93dbcc7919368ebe1 Mon Sep 17 00:00:00 2001 From: Bicker Date: Wed, 22 May 2019 17:45:37 +0200 Subject: Initial commit --- .../expressions/binary_operators/and_operator.py | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 ql/ast/nodes/expressions/binary_operators/and_operator.py (limited to 'ql/ast/nodes/expressions/binary_operators/and_operator.py') diff --git a/ql/ast/nodes/expressions/binary_operators/and_operator.py b/ql/ast/nodes/expressions/binary_operators/and_operator.py new file mode 100644 index 0000000..5981a6b --- /dev/null +++ b/ql/ast/nodes/expressions/binary_operators/and_operator.py @@ -0,0 +1,21 @@ +from ql.ast.nodes.expressions.binary_operators.binary_operator import BinaryOperatorNode +from ql.types.boolean import QLBoolean +from ql.types.undefined import QLUndefined + + +class AndOperatorNode(BinaryOperatorNode): + def __init__(self, metadata, expression_type, left_expression, right_expression, value): + super(AndOperatorNode, self).__init__(metadata, expression_type, + left_expression, right_expression, value) + self.__valid_types = { + (QLBoolean, QLBoolean): QLBoolean, + } + + def get_result_type(self): + if self.__valid_types.get((self.left_expression.expression_type, self.right_expression.expression_type)): + return self.__valid_types.get((self.left_expression.expression_type, self.right_expression.expression_type)) + + return QLUndefined + + def evaluate(self): + self.value = self.left_expression.value and self.right_expression.value -- cgit v1.2.3