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Add support for PSL's non-length-matching And.

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* src/ltlast/multop.cc, src/ltlast/multop.hh: Declare AndNML
operator.
* src/ltlparse/ltlscan.ll: Distinguish "&" and "&&".
* src/ltlparse/ltlparse.yy: Handle them both as "And" for LTL
formula, use AndNML or And for rational expressions.
* src/ltlvisit/tostring.cc: Adjust to distinguish "&" and "&&" in
rational expressions. Also use {braces} to group rational
expressions.
* src/tgbaalgos/ltl2tgba_fm.cc
(ratexp_trad_visitor::ratexp_trad_visitor): Remove the possibility
to select the empty_word should act like true, and fix the rules
for Closure and NegClosure to rely on constant_term instead.
(ratexp_trad_visitor::visit) Adjust the And translation to also
support AndNML.
(ratexp_trad_visitor::recurse_and_concat): Introduce this new
method to simplify some calls to recurse(f, to_concat_).
* src/tgbatest/ltl2tgba.test: Add more test cases.
* src/ltlvisit/basicreduce.cc, src/ltlvisit/consterm.cc,
src/ltlvisit/contain.cc, src/ltlvisit/mark.cc,
src/ltlvisit/nenoform.cc, src/ltlvisit/syntimpl.cc,
src/tgba/formula2bdd.cc, src/tgbaalgos/eltl2tgba_lacim.cc,
src/tgbaalgos/ltl2taa.cc, src/tgbaalgos/ltl2tgba_lacim.cc: Add
missing cases in switches.
This commit is contained in:
Alexandre Duret-Lutz 2010-03-10 11:05:41 +01:00
parent 1ecc6984d3
commit bbb645e1fc
17 changed files with 238 additions and 100 deletions
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17
src/ltlast/multop.cc
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@ -109,6 +109,8 @@ namespace spot
{
case And:
return "And";
case AndNLM:
return "AndNLM";
case Or:
return "Or";
case Concat:
@ -171,6 +173,7 @@ namespace spot
std::sort(v->begin(), v->end(), formula_ptr_less_than());
formula* neutral;
formula* neutral2;
formula* abs;
formula* abs2;
formula* weak_abs;
@ -178,24 +181,35 @@ namespace spot
{
case And:
neutral = constant::true_instance();
neutral2 = 0;
abs = constant::false_instance();
abs2 = 0;
weak_abs = constant::empty_word_instance();
break;
case AndNLM:
neutral = constant::true_instance();
neutral2 = constant::empty_word_instance();
abs = constant::false_instance();
abs2 = 0;
weak_abs = 0;
break;
case Or:
neutral = constant::false_instance();
neutral2 = 0;
abs = constant::true_instance();
abs2 = 0;
weak_abs = 0;
break;
case Concat:
neutral = constant::empty_word_instance();
neutral2 = 0;
abs = constant::false_instance();
abs2 = 0;
weak_abs = 0;
break;
case Fusion:
neutral = constant::true_instance();
neutral2 = 0;
abs = constant::false_instance();
abs2 = constant::empty_word_instance();
weak_abs = 0;
@ -203,6 +217,7 @@ namespace spot
default:
neutral = 0;
neutral2 = 0;
abs = 0;
abs2 = 0;
weak_abs = 0;
@ -218,7 +233,7 @@ namespace spot
bool weak_abs_seen = false;
while (i != v->end())
{
if ((*i == neutral) || (*i == last))
if ((*i == neutral) || (*i == neutral2) || (*i == last))
{
(*i)->destroy();
i = v->erase(i);