Number of transitions

Get the complement of the current Epsilon NFA Returns ---------- enfa : :class:`~pyformlang.finite_automaton.EpsilonNFA`

Makes the union of two CFGs Parameters ---------- other : :class:`~pyformlang.cfg.CFG` The other CFG to unite wi

Makes the union with another regex. Parameters ---------- other : :class:`~pyformlang.regular_expression.Regex`

Makes the union of two fst Parameters ---------- other_fst : :class:`~pyformlang.fst.FST` The other FST

Gets the string representation of the rule

Gets the string representation of the rule

Gives a string representation of the rule, ignoring the sigmas

Compute the difference with another Epsilon NFA Equivalent to: >> automaton0 - automaton1 Parameters ----------

Append a new node with the given value Parameters ---------- value : any The value if the new node

Get the body objects

The set of boxes

Gets the consumption rules Returns ---------- consumption_rules : dict of any to iterable of \ :class:`~pyformlan

Gets the content of the current node

Copies the current DFA Returns ---------- enfa : :class:`~pyformlang.finite_automaton\ .DeterministicFiniteAutomato

Delete the current node

Box's dfa

The f parameter Returns ---------- f : any The f parameter

The merged features of the production rules

The final states

The final states of the PDA Returns ------- final_states : iterable of :class:`~pyformlang.pda.State` The

Get the final states of the FST Returns ---------- final_states : set of any The final states of the FST

The final states

Construct a regex from a string. For internal usage. Equivalent to the constructor of Regex. Parameters ----------

Gets the rules for a context-free grammar to represent the \ operator

Gets the rules for a context-free grammar to represent the \ operator

Gets the number of transitions Returns ---------- n_transitions : int The number of transitions

Get the string representation

Get the head variable

The input symbols of the PDA Returns ------- input_symbols : iterable of :class:`~pyformlang.pda.Symbol`

Get the input symbols of the FST Returns ---------- input_symbols : set of any The input symbols of the FST

Checks whether an automaton is deterministic Returns ---------- is_deterministic : bool Whether the automaton is

Whether the transition function is deterministic Returns ---------- is_deterministic : bool Whether the function

Checks if the automaton is deterministic

Whether the rule is an end rule or not Returns ---------- is_end : bool Whether the rule is an end rule or not

Check whether two automata are equivalent Parameters ---------- other : :class:`~pyformlang.deterministic_finite_automaton\

Tells is the production is in Chomsky Normal Form Returns ------- is_normal_form : bool If the productio

Makes the kleene star of the current regex. Returns ---------- regex : :class:`~pyformlang.regular_expression.Regex`

The left term Returns ---------- left_term : any The left term of the rule

Gets the symbol on the left of the rule left : any The left symbol of the rule

Gets the non-terminal on the left side of the rule Returns ---------- left_term : any The left term of this rule

Gets the non-terminal on the left of the rule Returns --------- left_term : any The left non-terminal of the rule

Gives the non-terminal on the left of the rule Returns --------- left_term : any The left term of the rule

Get the total number of rules Returns --------- number_rules : couple of int A couple with first the number of no

Gets the non-terminals used in the rule non_terminals : iterable of any The non_terminals used in the rule

Gets the non-terminals used in the rule Returns ---------- non_terminals : any The non terminals used in this rul

Gets the non-terminals used Returns ---------- non_terminals : iterable of any The non terminals used in this rul

Gives the set of non-terminals used in this rule Returns --------- non_terminals : iterable of any The non termin

Gets all the non-terminals used by all the rules Returns ---------- non_terminals : iterable of any The non termi

Box's nonterminal

The set of nonterminals

Gets the optimization number Returns ---------- non_consumption_rules : int The optimization number

Get the output symbols of the FST Returns ---------- output_symbols : set of any The output symbols of the FST

Gets the pointer of the current node

The production Returns ---------- right_terms : any The production

Gets the terminal used in the production Returns ---------- production : any The production used in this rule