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Class Leaf

src/blib2to3/pytree.py:367–467  ·  view source on GitHub ↗

Concrete implementation for leaf nodes.

Source from the content-addressed store, hash-verified

365
366
367class Leaf(Base):
368 """Concrete implementation for leaf nodes."""
369
370 # Default values for instance variables
371 value: str
372 fixers_applied: list[Any]
373 bracket_depth: int
374 # Changed later in brackets.py
375 opening_bracket: Optional["Leaf"] = None
376 used_names: set[str] | None
377 _prefix = "" # Whitespace and comments preceding this token in the input
378 lineno: int = 0 # Line where this token starts in the input
379 column: int = 0 # Column where this token starts in the input
380 # If not None, this Leaf is created by converting a block of fmt off/skip
381 # code, and `fmt_pass_converted_first_leaf` points to the first Leaf in the
382 # converted code.
383 fmt_pass_converted_first_leaf: Optional["Leaf"] = None
384
385 def __init__(
386 self,
387 type: int,
388 value: str,
389 context: Context | None = None,
390 prefix: str | None = None,
391 fixers_applied: list[Any] = [],
392 opening_bracket: Optional["Leaf"] = None,
393 fmt_pass_converted_first_leaf: Optional["Leaf"] = None,
394 ) -> None:
395 """
396 Initializer.
397
398 Takes a type constant (a token number < 256), a string value, and an
399 optional context keyword argument.
400 """
401
402 assert 0 <= type < 256, type
403 if context is not None:
404 self._prefix, (self.lineno, self.column) = context
405 self.type = type
406 self.value = value
407 if prefix is not None:
408 self._prefix = prefix
409 self.fixers_applied: list[Any] | None = fixers_applied[:]
410 self.children = []
411 self.opening_bracket = opening_bracket
412 self.fmt_pass_converted_first_leaf = fmt_pass_converted_first_leaf
413
414 def __repr__(self) -> str:
415 """Return a canonical string representation."""
416 from .pgen2.token import tok_name
417
418 assert self.type is not None
419 return (
420 f"{self.__class__.__name__}({tok_name.get(self.type, self.type)},"
421 f" {self.value!r})"
422 )
423
424 def __str__(self) -> str:

Callers 15

generate_commentsFunction · 0.90
is_stub_classMethod · 0.90
is_stub_defMethod · 0.90
append_leavesFunction · 0.90
visit_testMethod · 0.90
visit_factorMethod · 0.90
bracket_split_build_lineFunction · 0.90
_safe_add_trailing_commaFunction · 0.90
_normalize_import_fromFunction · 0.90

Calls

no outgoing calls

Tested by

no test coverage detected