]> git.madduck.net Git - etc/vim.git/blobdiff - src/blib2to3/pytree.py

madduck's git repository

Every one of the projects in this repository is available at the canonical URL git://git.madduck.net/madduck/pub/<projectpath> — see each project's metadata for the exact URL.

All patches and comments are welcome. Please squash your changes to logical commits before using git-format-patch and git-send-email to patches@git.madduck.net. If you'd read over the Git project's submission guidelines and adhered to them, I'd be especially grateful.

SSH access, as well as push access can be individually arranged.

If you use my repositories frequently, consider adding the following snippet to ~/.gitconfig and using the third clone URL listed for each project:

[url "git://git.madduck.net/madduck/"]
  insteadOf = madduck:

Prepare release 23.9.1 (#3878)
[etc/vim.git] / src / blib2to3 / pytree.py
index 15a1420ef7d6f3c3c6054bfbbbf90040d9aa6f4b..2a0cd6d196a3410536b4e9a07d5ded47d6c90b54 100644 (file)
@@ -15,16 +15,16 @@ There's also a pattern matching implementation here.
 from typing import (
     Any,
     Dict,
+    Iterable,
     Iterator,
     List,
     Optional,
-    Text,
+    Set,
     Tuple,
     TypeVar,
     Union,
-    Set,
-    Iterable,
 )
+
 from blib2to3.pgen2.grammar import Grammar
 
 __author__ = "Guido van Rossum <guido@python.org>"
@@ -34,10 +34,10 @@ from io import StringIO
 
 HUGE: int = 0x7FFFFFFF  # maximum repeat count, default max
 
-_type_reprs: Dict[int, Union[Text, int]] = {}
+_type_reprs: Dict[int, Union[str, int]] = {}
 
 
-def type_repr(type_num: int) -> Union[Text, int]:
+def type_repr(type_num: int) -> Union[str, int]:
     global _type_reprs
     if not _type_reprs:
         from .pygram import python_symbols
@@ -54,12 +54,11 @@ def type_repr(type_num: int) -> Union[Text, int]:
 _P = TypeVar("_P", bound="Base")
 
 NL = Union["Node", "Leaf"]
-Context = Tuple[Text, Tuple[int, int]]
-RawNode = Tuple[int, Optional[Text], Optional[Context], Optional[List[NL]]]
-
+Context = Tuple[str, Tuple[int, int]]
+RawNode = Tuple[int, Optional[str], Optional[Context], Optional[List[NL]]]
 
-class Base(object):
 
+class Base:
     """
     Abstract base class for Node and Leaf.
 
@@ -92,7 +91,7 @@ class Base(object):
         return self._eq(other)
 
     @property
-    def prefix(self) -> Text:
+    def prefix(self) -> str:
         raise NotImplementedError
 
     def _eq(self: _P, other: _P) -> bool:
@@ -225,7 +224,7 @@ class Base(object):
             return 0
         return 1 + self.parent.depth()
 
-    def get_suffix(self) -> Text:
+    def get_suffix(self) -> str:
         """
         Return the string immediately following the invocant node. This is
         effectively equivalent to node.next_sibling.prefix
@@ -238,18 +237,17 @@ class Base(object):
 
 
 class Node(Base):
-
     """Concrete implementation for interior nodes."""
 
     fixers_applied: Optional[List[Any]]
-    used_names: Optional[Set[Text]]
+    used_names: Optional[Set[str]]
 
     def __init__(
         self,
         type: int,
         children: List[NL],
         context: Optional[Any] = None,
-        prefix: Optional[Text] = None,
+        prefix: Optional[str] = None,
         fixers_applied: Optional[List[Any]] = None,
     ) -> None:
         """
@@ -274,16 +272,16 @@ class Node(Base):
         else:
             self.fixers_applied = None
 
-    def __repr__(self) -> Text:
+    def __repr__(self) -> str:
         """Return a canonical string representation."""
         assert self.type is not None
-        return "%s(%s, %r)" % (
+        return "{}({}, {!r})".format(
             self.__class__.__name__,
             type_repr(self.type),
             self.children,
         )
 
-    def __str__(self) -> Text:
+    def __str__(self) -> str:
         """
         Return a pretty string representation.
 
@@ -317,7 +315,7 @@ class Node(Base):
             yield from child.pre_order()
 
     @property
-    def prefix(self) -> Text:
+    def prefix(self) -> str:
         """
         The whitespace and comments preceding this node in the input.
         """
@@ -326,7 +324,7 @@ class Node(Base):
         return self.children[0].prefix
 
     @prefix.setter
-    def prefix(self, prefix: Text) -> None:
+    def prefix(self, prefix: str) -> None:
         if self.children:
             self.children[0].prefix = prefix
 
@@ -379,28 +377,32 @@ class Node(Base):
 
 
 class Leaf(Base):
-
     """Concrete implementation for leaf nodes."""
 
     # Default values for instance variables
-    value: Text
+    value: str
     fixers_applied: List[Any]
     bracket_depth: int
     # Changed later in brackets.py
     opening_bracket: Optional["Leaf"] = None
-    used_names: Optional[Set[Text]]
+    used_names: Optional[Set[str]]
     _prefix = ""  # Whitespace and comments preceding this token in the input
     lineno: int = 0  # Line where this token starts in the input
     column: int = 0  # Column where this token starts in the input
+    # If not None, this Leaf is created by converting a block of fmt off/skip
+    # code, and `fmt_pass_converted_first_leaf` points to the first Leaf in the
+    # converted code.
+    fmt_pass_converted_first_leaf: Optional["Leaf"] = None
 
     def __init__(
         self,
         type: int,
-        value: Text,
+        value: str,
         context: Optional[Context] = None,
-        prefix: Optional[Text] = None,
+        prefix: Optional[str] = None,
         fixers_applied: List[Any] = [],
         opening_bracket: Optional["Leaf"] = None,
+        fmt_pass_converted_first_leaf: Optional["Leaf"] = None,
     ) -> None:
         """
         Initializer.
@@ -419,19 +421,20 @@ class Leaf(Base):
         self.fixers_applied: Optional[List[Any]] = fixers_applied[:]
         self.children = []
         self.opening_bracket = opening_bracket
+        self.fmt_pass_converted_first_leaf = fmt_pass_converted_first_leaf
 
     def __repr__(self) -> str:
         """Return a canonical string representation."""
         from .pgen2.token import tok_name
 
         assert self.type is not None
-        return "%s(%s, %r)" % (
+        return "{}({}, {!r})".format(
             self.__class__.__name__,
             tok_name.get(self.type, self.type),
             self.value,
         )
 
-    def __str__(self) -> Text:
+    def __str__(self) -> str:
         """
         Return a pretty string representation.
 
@@ -465,14 +468,14 @@ class Leaf(Base):
         yield self
 
     @property
-    def prefix(self) -> Text:
+    def prefix(self) -> str:
         """
         The whitespace and comments preceding this token in the input.
         """
         return self._prefix
 
     @prefix.setter
-    def prefix(self, prefix: Text) -> None:
+    def prefix(self, prefix: str) -> None:
         self.changed()
         self._prefix = prefix
 
@@ -497,11 +500,10 @@ def convert(gr: Grammar, raw_node: RawNode) -> NL:
         return Leaf(type, value or "", context=context)
 
 
-_Results = Dict[Text, NL]
-
+_Results = Dict[str, NL]
 
-class BasePattern(object):
 
+class BasePattern:
     """
     A pattern is a tree matching pattern.
 
@@ -520,19 +522,19 @@ class BasePattern(object):
     type: Optional[int]
     type = None  # Node type (token if < 256, symbol if >= 256)
     content: Any = None  # Optional content matching pattern
-    name: Optional[Text] = None  # Optional name used to store match in results dict
+    name: Optional[str] = None  # Optional name used to store match in results dict
 
     def __new__(cls, *args, **kwds):
         """Constructor that prevents BasePattern from being instantiated."""
         assert cls is not BasePattern, "Cannot instantiate BasePattern"
         return object.__new__(cls)
 
-    def __repr__(self) -> Text:
+    def __repr__(self) -> str:
         assert self.type is not None
         args = [type_repr(self.type), self.content, self.name]
         while args and args[-1] is None:
             del args[-1]
-        return "%s(%s)" % (self.__class__.__name__, ", ".join(map(repr, args)))
+        return "{}({})".format(self.__class__.__name__, ", ".join(map(repr, args)))
 
     def _submatch(self, node, results=None) -> bool:
         raise NotImplementedError
@@ -596,8 +598,8 @@ class LeafPattern(BasePattern):
     def __init__(
         self,
         type: Optional[int] = None,
-        content: Optional[Text] = None,
-        name: Optional[Text] = None,
+        content: Optional[str] = None,
+        name: Optional[str] = None,
     ) -> None:
         """
         Initializer.  Takes optional type, content, and name.
@@ -641,14 +643,13 @@ class LeafPattern(BasePattern):
 
 
 class NodePattern(BasePattern):
-
     wildcards: bool = False
 
     def __init__(
         self,
         type: Optional[int] = None,
-        content: Optional[Iterable[Text]] = None,
-        name: Optional[Text] = None,
+        content: Optional[Iterable[str]] = None,
+        name: Optional[str] = None,
     ) -> None:
         """
         Initializer.  Takes optional type, content, and name.
@@ -710,7 +711,6 @@ class NodePattern(BasePattern):
 
 
 class WildcardPattern(BasePattern):
-
     """
     A wildcard pattern can match zero or more nodes.
 
@@ -728,10 +728,10 @@ class WildcardPattern(BasePattern):
 
     def __init__(
         self,
-        content: Optional[Text] = None,
+        content: Optional[str] = None,
         min: int = 0,
         max: int = HUGE,
-        name: Optional[Text] = None,
+        name: Optional[str] = None,
     ) -> None:
         """
         Initializer.