Remove COUNTER from slithir variables classes

slither/core/slither_core.py

@@ -90,6 +90,10 @@ class SlitherCore(Context):  # pylint: disable=too-many-instance-attributes,too-
 
         self._show_ignored_findings = False
 
+        self.counter_slithir_tuple = 0
+        self.counter_slithir_temporary = 0
+        self.counter_slithir_reference = 0
+
     ###################################################################################
     ###################################################################################
     # region Source code

slither/slithir/variables/reference.py

@@ -1,17 +1,19 @@
+from typing import TYPE_CHECKING
+
 from slither.core.children.child_node import ChildNode
 from slither.core.declarations import Contract, Enum, SolidityVariable, Function
 from slither.core.variables.variable import Variable
 
+if TYPE_CHECKING:
+    from slither.core.cfg.node import Node
 
 class ReferenceVariable(ChildNode, Variable):
 
-    COUNTER = 0
-
-    def __init__(self, node, index=None):
+    def __init__(self, node: "Node", index=None):
         super().__init__()
         if index is None:
-            self._index = ReferenceVariable.COUNTER
-            ReferenceVariable.COUNTER += 1
+            self._index = node.slither.counter_slithir_reference
+            node.slither.counter_slithir_reference += 1
         else:
             self._index = index
         self._points_to = None

slither/slithir/variables/temporary.py

@@ -1,16 +1,18 @@
+from typing import TYPE_CHECKING
+
 from slither.core.children.child_node import ChildNode
 from slither.core.variables.variable import Variable
 
+if TYPE_CHECKING:
+    from slither.core.cfg.node import Node
 
 class TemporaryVariable(ChildNode, Variable):
 
-    COUNTER = 0
-
-    def __init__(self, node, index=None):
+    def __init__(self, node: "Node", index=None):
         super().__init__()
         if index is None:
-            self._index = TemporaryVariable.COUNTER
-            TemporaryVariable.COUNTER += 1
+            self._index = node.slither.counter_slithir_temporary
+            node.slither.counter_slithir_temporary += 1
         else:
             self._index = index
         self._node = node

slither/slithir/variables/tuple.py

@@ -1,16 +1,19 @@
+from typing import TYPE_CHECKING
+
 from slither.core.children.child_node import ChildNode
 from slither.slithir.variables.variable import SlithIRVariable
 
+if TYPE_CHECKING:
+    from slither.core.cfg.node import Node
 
-class TupleVariable(ChildNode, SlithIRVariable):
 
-    COUNTER = 0
+class TupleVariable(ChildNode, SlithIRVariable):
 
-    def __init__(self, node, index=None):
+    def __init__(self, node: "Node", index=None):
         super().__init__()
         if index is None:
-            self._index = TupleVariable.COUNTER
-            TupleVariable.COUNTER += 1
+            self._index = node.slither.counter_slithir_tuple
+            node.slither.counter_slithir_tuple += 1
         else:
             self._index = index