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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
Download patch file Download diff file Expand all files Collapse all files

42
src/ltlvisit/mark.cc
View file

@ -59,8 +59,24 @@ namespace spot
}
void
visit(unop*)
visit(unop* uo)
{
switch (uo->op())
{
case unop::NegClosure:
result_ = true;
return;
case unop::Finish:
case unop::Star:
case unop::Closure:
case unop::Not:
case unop::X:
case unop::F:
case unop::G:
return;
}
/* Unreachable code. */
assert(0);
}
void
@ -148,7 +164,23 @@ namespace spot
void
visit(unop* uo)
{
result_ = uo->clone();
switch (uo->op())
{
case unop::NegClosure:
has_mark_ = true;
/* fall through */
case unop::Finish:
case unop::Star:
case unop::Closure:
case unop::Not:
case unop::X:
case unop::F:
case unop::G:
result_ = uo->clone();
return;
}
/* Unreachable code. */
assert(0);
}
void
@ -181,7 +213,9 @@ namespace spot
binop* bo = dynamic_cast<binop*>(f);
if (!bo)
res->push_back(recurse(f));
{
res->push_back(recurse(f));
}
else
{
switch (bo->op())
@ -317,7 +351,7 @@ namespace spot
case binop::Xor:
case binop::Implies:
case binop::Equiv:
assert(!"mark no defined on logic abbreviations");
assert(!"mark not defined on logic abbreviations");
case binop::U:
case binop::W:
case binop::M: