From 25314fd2aed81aa5281bc3d93dbcc7919368ebe1 Mon Sep 17 00:00:00 2001
From: Bicker <bickerkards@tuta.io>
Date: Wed, 22 May 2019 17:45:37 +0200
Subject: Initial commit

---
 ql/types/undefined.py | 40 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 ql/types/undefined.py

(limited to 'ql/types/undefined.py')

diff --git a/ql/types/undefined.py b/ql/types/undefined.py
new file mode 100644
index 0000000..2deafe0
--- /dev/null
+++ b/ql/types/undefined.py
@@ -0,0 +1,40 @@
+from gui.widgets.label import Label
+from ql.ast.nodes.expressions.literals.undefined_literal import UndefinedNode
+from ql.types.boolean import QLBoolean
+from ql.types.type import QLType
+
+
+class QLUndefined(QLType):
+    def __init__(self, *unused):
+        super(QLUndefined, self).__init__()
+        self.__value = None
+
+    @property
+    def value(self):
+        return self.__value
+
+    def __bool__(self):
+        return False
+
+    def __repr__(self):
+        return 'Undefined'
+
+    def __eq__(self, other):
+        if isinstance(other, QLUndefined):
+            return QLBoolean(self.value == other.value)
+
+        return QLBoolean(False)
+
+    def __ne__(self, other):
+        return QLBoolean(not self == other)
+
+    def get_json_value(self):
+        return self.value
+
+    @staticmethod
+    def get_literal_node(unused):
+        return UndefinedNode(None, QLUndefined, QLUndefined(None))
+
+    @staticmethod
+    def pyqt5_default_widget():
+        return Label('Undefined')
-- 
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