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Use shared_ptr for the emptiness check interfaces.

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At the same time, this adds a is_empty() method to the tgba class,
simplifying many places that ran emptiness checks.

* iface/dve2/dve2check.cc, src/bin/ltlcross.cc,
src/dstarparse/dra2ba.cc, src/ltlvisit/contain.cc, src/tgba/tgba.cc,
src/tgba/tgba.hh, src/tgbaalgos/emptiness.cc,
src/tgbaalgos/emptiness.hh, src/tgbaalgos/gtec/ce.cc,
src/tgbaalgos/gtec/ce.hh, src/tgbaalgos/gtec/gtec.cc,
src/tgbaalgos/gtec/gtec.hh, src/tgbaalgos/gv04.cc,
src/tgbaalgos/gv04.hh, src/tgbaalgos/magic.cc,
src/tgbaalgos/magic.hh, src/tgbaalgos/minimize.cc,
src/tgbaalgos/ndfs_result.hxx, src/tgbaalgos/powerset.cc,
src/tgbaalgos/projrun.cc, src/tgbaalgos/projrun.hh,
src/tgbaalgos/reducerun.cc, src/tgbaalgos/reducerun.hh,
src/tgbaalgos/replayrun.cc, src/tgbaalgos/replayrun.hh,
src/tgbaalgos/rundotdec.cc, src/tgbaalgos/rundotdec.hh,
src/tgbaalgos/se05.cc, src/tgbaalgos/se05.hh,
src/tgbaalgos/tau03.cc, src/tgbaalgos/tau03.hh,
src/tgbaalgos/tau03opt.cc, src/tgbaalgos/tau03opt.hh,
src/tgbaalgos/word.cc, src/tgbaalgos/word.hh,
src/tgbatest/checkpsl.cc, src/tgbatest/complementation.cc,
src/tgbatest/emptchk.cc, src/tgbatest/ltl2tgba.cc,
src/tgbatest/randtgba.cc, wrap/python/ajax/spot.in,
wrap/python/spot.i: Use shared_ptr.
This commit is contained in:
Alexandre Duret-Lutz 2014-08-23 18:34:00 +02:00
parent 803e17bb8d
commit 6d7c258fd7
42 changed files with 335 additions and 402 deletions
Download patch file Download diff file Expand all files Collapse all files

5
src/tgba/tgba.hh
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@ -27,7 +27,6 @@
#include "fwd.hh"
#include <cassert>
#include <memory>
#include <memory>
#include "misc/casts.hh"
#include "misc/hash.hh"
@ -465,7 +464,7 @@ namespace spot
/// we never represent transitions! Transition informations are
/// obtained by querying the iterator over the successors of
/// a state.
class SPOT_API tgba
class SPOT_API tgba: public std::enable_shared_from_this<tgba>
{
protected:
tgba();
@ -641,6 +640,8 @@ namespace spot
/// the other operand.
virtual bdd neg_acceptance_conditions() const = 0;
virtual bool is_empty() const;
protected:
/// Do the actual computation of tgba::support_conditions().
virtual bdd compute_support_conditions(const state* state) const = 0;