parsimonious.expressions.Lookahead Class Reference

Inheritance diagram for parsimonious.expressions.Lookahead:

Collaboration diagram for parsimonious.expressions.Lookahead:

Public Member Functions
	__init__ (self, member, *negative=False, **kwargs)
Public Member Functions inherited from parsimonious.expressions.Compound
	resolve_refs (self, rule_map)
	__hash__ (self)
Public Member Functions inherited from parsimonious.expressions.Expression
	__eq__ (self, other)
	__ne__ (self, other)
	parse (self, text, pos=0)
	match (self, text, pos=0)
	match_core (self, text, pos, cache, error)
	__str__ (self)
	as_rule (self)
Public Member Functions inherited from parsimonious.utils.StrAndRepr
	__repr__ (self)

Public Attributes
	negativity
Public Attributes inherited from parsimonious.expressions.Compound
	members
	name
Public Attributes inherited from parsimonious.expressions.Expression
	name
	identity_tuple

Protected Member Functions
	_uncached_match (self, text, pos, cache, error)
	_as_rhs (self)
	_eq_check_cycles (self, other, checked)
Protected Member Functions inherited from parsimonious.expressions.Expression
	_unicode_members (self)

Detailed Description

An expression which consumes nothing, even if its contained expression
succeeds

Constructor & Destructor Documentation

__init__()

parsimonious.expressions.Lookahead.__init__	(		self,
			members,
		*	kwargs = False,
		**	kwargs
	)

``members`` is a sequence of expressions.

Reimplemented from parsimonious.expressions.Compound.

Member Function Documentation

_as_rhs()

parsimonious.expressions.Lookahead._as_rhs (   self )

protected

Return the right-hand side of a rule that represents me.

Implemented by subclasses.

Reimplemented from parsimonious.expressions.Expression.

_eq_check_cycles()

parsimonious.expressions.Lookahead._eq_check_cycles (   self,   other,   checked  )

protected

Reimplemented from parsimonious.expressions.Compound.

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The documentation for this class was generated from the following file:

• docs/help/help-venv/lib/python3.12/site-packages/parsimonious/expressions.py