21#include <spot/misc/hash.hh>
22#include <spot/twa/twa.hh>
83 const state* out_s,
int out,
151 const state* out_s,
int out,
189 virtual void pop()
override;
191 std::unordered_set<int> stack_;
Abstract class for states.
Definition twa.hh:47
An implementation of spot::twa_reachable_iterator that browses states breadth first.
Definition reachiter.hh:97
virtual void add_state(const state *s) override
Called by run() to obtain the next state to process.
virtual const state * next_state() override
Called by run() to obtain the next state to process.
std::deque< const state * > todo
A queue of states yet to explore.
Definition reachiter.hh:105
Iterate over all states of an automaton using a DFS.
Definition reachiter.hh:179
virtual void pop() override
Pop the DFS stack.
bool on_stack(int sn) const
Whether state sn is on the DFS stack.
virtual void push(const state *s, int sn) override
Push a new state in todo.
Iterate over all states of an automaton using a DFS.
Definition reachiter.hh:111
virtual void push(const state *s, int sn)
Push a new state in todo.
virtual void pop()
Pop the DFS stack.
virtual void run()
Iterate over all reachable states of a spot::tgba.
virtual void process_state(const state *s, int n, twa_succ_iterator *si)
virtual bool want_state(const state *s) const
virtual void process_link(const state *in_s, int in, const state *out_s, int out, const twa_succ_iterator *si)
virtual void end()
Called by run() once all states have been explored.
const_twa_ptr aut_
The spot::tgba to explore.
Definition reachiter.hh:155
state_map< int > seen
States already seen.
Definition reachiter.hh:157
std::deque< stack_item > todo
the DFS stack
Definition reachiter.hh:164
virtual void start()
Called by run() before starting its iteration.
Iterate over all reachable states of a spot::tgba.
Definition reachiter.hh:31
state_map< int > seen
States already seen.
Definition reachiter.hh:89
virtual void process_state(const state *s, int n, twa_succ_iterator *si)
virtual void process_link(const state *in_s, int in, const state *out_s, int out, const twa_succ_iterator *si)
virtual void add_state(const state *s)=0
Called by run() to obtain the next state to process.
virtual void end()
Called by run() once all states have been explored.
virtual void run()
Iterate over all reachable states of a spot::tgba.
virtual void start()
Called by run() before starting its iteration.
virtual bool want_state(const state *s) const
const_twa_ptr aut_
The spot::tgba to explore.
Definition reachiter.hh:87
virtual const state * next_state()=0
Called by run() to obtain the next state to process.
Iterate over the successors of a state.
Definition twa.hh:394
Definition automata.hh:26
std::unordered_map< const state *, val, state_ptr_hash, state_ptr_equal > state_map
Unordered map of abstract states.
Definition twa.hh:193
Definition reachiter.hh:159