Code Cleanup: removed dead code identified by Skylos (psf#5052)

duriantaco · cobaltt7 · web-flow · commit e8a08ac0e211 · 2026-03-29T12:28:01.000-05:00
Co-authored-by: cobalt &lt;61329810+cobaltt7@users.noreply.github.com&gt;
diff --git a/src/blib2to3/pgen2/pgen.py b/src/blib2to3/pgen2/pgen.py
@@ -225,29 +225,6 @@ def addclosure(state: NFAState, base: dict[NFAState, int]) -> None:
                 state.addarc(st, label)
         return states  # List of DFAState instances; first one is start
 
-    def dump_nfa(self, name: str, start: "NFAState", finish: "NFAState") -> None:
-        print("Dump of NFA for", name)
-        todo = [start]
-        for i, state in enumerate(todo):
-            print("  State", i, state is finish and "(final)" or "")
-            for label, next in state.arcs:
-                if next in todo:
-                    j = todo.index(next)
-                else:
-                    j = len(todo)
-                    todo.append(next)
-                if label is None:
-                    print(f"    -> {j}")
-                else:
-                    print(f"    {label} -> {j}")
-
-    def dump_dfa(self, name: str, dfa: Sequence["DFAState"]) -> None:
-        print("Dump of DFA for", name)
-        for i, state in enumerate(dfa):
-            print("  State", i, state.isfinal and "(final)" or "")
-            for label, next in sorted(state.arcs.items()):
-                print(f"    {label} -> {dfa.index(next)}")
-
     def simplify_dfa(self, dfa: list["DFAState"]) -> None:
         # This is not theoretically optimal, but works well enough.
         # Algorithm: repeatedly look for two states that have the same
diff --git a/src/blib2to3/pgen2/token.py b/src/blib2to3/pgen2/token.py
@@ -82,15 +82,3 @@
 for _name, _value in list(globals().items()):
     if type(_value) is int:
         tok_name[_value] = _name
-
-
-def ISTERMINAL(x: int) -> bool:
-    return x < NT_OFFSET
-
-
-def ISNONTERMINAL(x: int) -> bool:
-    return x >= NT_OFFSET
-
-
-def ISEOF(x: int) -> bool:
-    return x == ENDMARKER
diff --git a/src/blib2to3/pytree.py b/src/blib2to3/pytree.py
@@ -66,7 +66,6 @@ class Base:
     parent: Optional["Node"] = None  # Parent node pointer, or None
     children: list[NL]  # List of subnodes
     was_changed: bool = False
-    was_checked: bool = False
 
     def __new__(cls, *args, **kwds):
         """Constructor that prevents Base from being instantiated."""
