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ltl: remove the useless Finish operator

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* src/ltlast/unop.cc, src/ltlast/unop.hh src/ltlvisit/lbt.cc,
src/ltlvisit/mark.cc, src/ltlvisit/simplify.cc,
src/ltlvisit/tostring.cc, src/ltlvisit/tunabbrev.cc,
src/tgba/formula2bdd.cc, src/tgbaalgos/ltl2tgba_fm.cc: Remove Finish.
* src/tgbaalgos/ltl2taa.cc: Remove Finish, and simply use an empty
destination to code the sink.
This commit is contained in:
Alexandre Duret-Lutz 2014-12-04 17:48:42 +01:00
parent ad77145496
commit a0d9268fda
10 changed files with 10 additions and 64 deletions
Download patch file Download diff file Expand all files Collapse all files

1
src/ltlvisit/lbt.cc
View file

@ -160,7 +160,6 @@ namespace spot
case unop::G:
os_ << 'G';
break;
case unop::Finish:
case unop::Closure:
case unop::NegClosure:
case unop::NegClosureMarked:

2
src/ltlvisit/mark.cc
View file

@ -142,7 +142,6 @@ namespace spot
case unop::X:
case unop::F:
case unop::G:
case unop::Finish:
case unop::Closure:
res->push_back(recurse(f));
break;
@ -236,7 +235,6 @@ namespace spot
case unop::X:
case unop::F:
case unop::G:
case unop::Finish:
case unop::Closure:
case unop::NegClosureMarked:
result_ = uo->clone();

9
src/ltlvisit/simplify.cc
View file

@ -516,12 +516,6 @@ namespace spot
unop::Closure : op,
recurse_(f, false));
return;
/* !Finish(x), is not simplified */
case unop::Finish:
result_ = unop::instance(uo->op(), recurse_(f, false));
if (negated_)
result_ = unop::instance(unop::Not, result_);
return;
}
SPOT_UNREACHABLE();
}
@ -1737,9 +1731,6 @@ namespace spot
}
}
break;
case unop::Finish:
// No simplification
break;
}
result_ = unop::instance(op, result_);
}

4
src/ltlvisit/tostring.cc
View file

@ -712,10 +712,6 @@ namespace spot
case unop::G:
emit(KG);
break;
case unop::Finish:
os_ << "finish";
need_parent = true;
break;
case unop::Closure:
os_ << '{';
in_ratexp_ = true;

8
src/ltlvisit/tunabbrev.cc
View file

@ -1,7 +1,8 @@
// Copyright (C) 2009, 2010, 2012 Laboratoire de Recherche et Développement
// de l'Epita (LRDE).
// -*- coding: utf-8 -*-
// Copyright (C) 2009, 2010, 2012, 2014 Laboratoire de Recherche et
// Développement de l'Epita (LRDE).
// Copyright (C) 2003 Laboratoire d'Informatique de Paris 6 (LIP6),
// département Systèmes Répartis Coopératifs (SRC), Université Pierre
// département Systèmes Répartis Coopératifs (SRC), Université Pierre
// et Marie Curie.
//
// This file is part of Spot, a model checking library.
@ -39,7 +40,6 @@ namespace spot
{
switch (uo->op())
{
case unop::Finish:
case unop::X:
case unop::Not:
case unop::Closure: