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Add support for {SERE} and !{SERE} closure operators.

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* src/ltlast/unop.hh, src/ltlast/unop.cc: Introduce Closure and
NegClosure operators.
* src/ltlparse/ltlparse.yy: Recognize {foo} as a Closure.
* src/ltlvisit/mark.cc: Consider NegClosure as a marked operator.
* src/tgbaalgos/ltl2tgba_fm.cc (ratexp_trad_visitor): Add option to
select whether the empty_word should act like true (for {SERE}
and {!SERE}) or false (for {SERE}<>->Exp or {SERE}[]->Exp).
(ltl_trad_visitor): Translate Closure and NegClosure.
* src/tgbatest/ltl2tgba.test: Add more tests.
* src/ltlvisit/basicreduce.cc, src/ltlvisit/consterm.cc,
src/ltlvisit/nenoform.cc, src/ltlvisit/reduce.cc,
src/ltlvisit/syntimpl.cc, src/ltlvisit/tostring.cc,
src/ltlvisit/tunabbrev.cc, src/tgba/formula2bdd.cc,
src/tgbaalgos/eltl2tgba_lacim.cc, src/tgbaalgos/ltl2tgba_lacim.cc,
src/tgbaalgos/ltl2taa.cc: Straightforward update to support or
assert on these new operators.
This commit is contained in:
Alexandre Duret-Lutz 2010-03-09 09:48:08 +01:00
parent f618e6bc1a
commit 2f8c4ac8b7
17 changed files with 343 additions and 74 deletions
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2
src/tgba/formula2bdd.cc
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@ -80,6 +80,8 @@ namespace spot
case unop::G:
case unop::X:
case unop::Star:
case unop::Closure:
case unop::NegClosure:
assert(!"unsupported operator");
case unop::Not:
{