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tgba_succ_iterator: have first() and next() return a bool

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The returned Boolean indicates whether there is a successor or not.
This way

|  for (i->first(); !i->done(); i->next())
|    {
|       ...
|    }

can be replaced by

| if (i->first()) do
|   {
|      ...
|   }
| while (i->next());

avoiding all the virtual calls to done().

* iface/dve2/dve2.cc, src/kripke/kripkeexplicit.cc,
src/kripke/kripkeexplicit.hh, src/ta/ta.hh, src/ta/taexplicit.cc,
src/ta/taexplicit.hh, src/ta/taproduct.cc, src/ta/taproduct.hh,
src/ta/tgtaproduct.cc, src/ta/tgtaproduct.hh, src/tgba/succiter.hh,
src/tgba/succiterconcrete.cc, src/tgba/succiterconcrete.hh,
src/tgba/taatgba.cc, src/tgba/taatgba.hh, src/tgba/tgba.hh,
src/tgba/tgbaexplicit.hh, src/tgba/tgbakvcomplement.cc,
src/tgba/tgbamask.cc, src/tgba/tgbaproduct.cc,
src/tgba/tgbasafracomplement.cc, src/tgba/tgbasgba.cc,
src/tgba/tgbatba.cc, src/tgba/tgbaunion.cc, src/tgba/tgbaunion.hh,
src/tgba/wdbacomp.cc: Implement and adjust to this new interface.
This commit is contained in:
Alexandre Duret-Lutz 2014-01-26 22:57:14 +01:00
parent 06c69f88ff
commit 1a5c0cb1f3
26 changed files with 256 additions and 206 deletions
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11
src/ta/ta.hh
View file

@ -1,5 +1,5 @@
// -*- coding: utf-8 -*-
// Copyright (C) 2010, 2012, 2013 Laboratoire de Recherche et
// Copyright (C) 2010, 2012, 2013, 2014 Laboratoire de Recherche et
// Developpement de l Epita (LRDE).
//
// This file is part of Spot, a model checking library.
@ -191,12 +191,9 @@ namespace spot
{
}
virtual void
first() = 0;
virtual void
next() = 0;
virtual bool
done() const = 0;
virtual bool first() = 0;
virtual bool next() = 0;
virtual bool done() const = 0;
virtual state*
current_state() const = 0;