more trailing comma tests (#2810)

[etc/vim.git] / src / blib2to3 / pytree.py

diff --git a/src/blib2to3/pytree.py b/src/blib2to3/pytree.py
index 4b841b768e7fefcb64f04045edba9ce9ab162221..b203ce5b2ac897b895aa28f31d81c4c38809c4e6 100644 (file)
--- a/src/blib2to3/pytree.py
+++ b/src/blib2to3/pytree.py
@@ -14,7 +14,6 @@ There's also a pattern matching implementation here.
 
 from typing import (
     Any,
 
 from typing import (
     Any,

-    Callable,

     Dict,
     Iterator,
     List,
     Dict,
     Iterator,
     List,


@@ -25,7 +24,6 @@ from typing import (
     Union,
     Set,
     Iterable,
     Union,
     Set,
     Iterable,

-    Sequence,

 )
 from blib2to3.pgen2.grammar import Grammar
 
 )
 from blib2to3.pgen2.grammar import Grammar
 


@@ -53,7 +51,7 @@ def type_repr(type_num: int) -> Union[Text, int]:
     return _type_reprs.setdefault(type_num, type_num)
 
 
     return _type_reprs.setdefault(type_num, type_num)
 
 

-_P = TypeVar("_P")
+_P = TypeVar("_P", bound="Base")

 
 NL = Union["Node", "Leaf"]
 Context = Tuple[Text, Tuple[int, int]]
 
 NL = Union["Node", "Leaf"]
 Context = Tuple[Text, Tuple[int, int]]


@@ -93,8 +91,6 @@ class Base(object):
             return NotImplemented
         return self._eq(other)
 
             return NotImplemented
         return self._eq(other)
 

-    __hash__ = None  # type: Any  # For Py3 compatibility.
-

     @property
     def prefix(self) -> Text:
         raise NotImplementedError
     @property
     def prefix(self) -> Text:
         raise NotImplementedError


@@ -110,6 +106,9 @@ class Base(object):
         """
         raise NotImplementedError
 
         """
         raise NotImplementedError
 

+    def __deepcopy__(self: _P, memo: Any) -> _P:
+        return self.clone()
+

     def clone(self: _P) -> _P:
         """
         Return a cloned (deep) copy of self.
     def clone(self: _P) -> _P:
         """
         Return a cloned (deep) copy of self.


@@ -387,7 +386,8 @@ class Leaf(Base):
     value: Text
     fixers_applied: List[Any]
     bracket_depth: int
     value: Text
     fixers_applied: List[Any]
     bracket_depth: int

-    opening_bracket: "Leaf"
+    # Changed later in brackets.py
+    opening_bracket: Optional["Leaf"] = None

     used_names: Optional[Set[Text]]
     _prefix = ""  # Whitespace and comments preceding this token in the input
     lineno: int = 0  # Line where this token starts in the input
     used_names: Optional[Set[Text]]
     _prefix = ""  # Whitespace and comments preceding this token in the input
     lineno: int = 0  # Line where this token starts in the input


@@ -400,6 +400,7 @@ class Leaf(Base):
         context: Optional[Context] = None,
         prefix: Optional[Text] = None,
         fixers_applied: List[Any] = [],
         context: Optional[Context] = None,
         prefix: Optional[Text] = None,
         fixers_applied: List[Any] = [],

+        opening_bracket: Optional["Leaf"] = None,

     ) -> None:
         """
         Initializer.
     ) -> None:
         """
         Initializer.


@@ -417,6 +418,7 @@ class Leaf(Base):
             self._prefix = prefix
         self.fixers_applied: Optional[List[Any]] = fixers_applied[:]
         self.children = []
             self._prefix = prefix
         self.fixers_applied: Optional[List[Any]] = fixers_applied[:]
         self.children = []

+        self.opening_bracket = opening_bracket

 
     def __repr__(self) -> str:
         """Return a canonical string representation."""
 
     def __repr__(self) -> str:
         """Return a canonical string representation."""


@@ -435,7 +437,7 @@ class Leaf(Base):
 
         This reproduces the input source exactly.
         """
 
         This reproduces the input source exactly.
         """

-        return self.prefix + str(self.value)
+        return self._prefix + str(self.value)

 
     def _eq(self, other) -> bool:
         """Compare two nodes for equality."""
 
     def _eq(self, other) -> bool:
         """Compare two nodes for equality."""


@@ -449,6 +451,7 @@ class Leaf(Base):
             self.value,
             (self.prefix, (self.lineno, self.column)),
             fixers_applied=self.fixers_applied,
             self.value,
             (self.prefix, (self.lineno, self.column)),
             fixers_applied=self.fixers_applied,

+            opening_bracket=self.opening_bracket,

         )
 
     def leaves(self) -> Iterator["Leaf"]:
         )
 
     def leaves(self) -> Iterator["Leaf"]:


@@ -670,8 +673,11 @@ class NodePattern(BasePattern):
             newcontent = list(content)
             for i, item in enumerate(newcontent):
                 assert isinstance(item, BasePattern), (i, item)
             newcontent = list(content)
             for i, item in enumerate(newcontent):
                 assert isinstance(item, BasePattern), (i, item)

-                if isinstance(item, WildcardPattern):
-                    self.wildcards = True
+                # I don't even think this code is used anywhere, but it does cause
+                # unreachable errors from mypy. This function's signature does look
+                # odd though *shrug*.
+                if isinstance(item, WildcardPattern):  # type: ignore[unreachable]
+                    self.wildcards = True  # type: ignore[unreachable]

         self.type = type
         self.content = newcontent
         self.name = name
         self.type = type
         self.content = newcontent
         self.name = name


@@ -976,6 +982,3 @@ def generate_matches(
                     r.update(r0)
                     r.update(r1)
                     yield c0 + c1, r
                     r.update(r0)
                     r.update(r1)
                     yield c0 + c1, r

-
-
-_Convert = Callable[[Grammar, RawNode], Any]