Because only the configure macros of spot::srand() had been updated to
the introduction of _config.h, rand() was used even if drand48() was
available, and yet srand48() was being called by spot::srand(). The
consequence is that setting the seed with srand48() had not effect on
the value returned by rand(). Reported by Etienne Renault.
* src/misc/random.cc (drand): Fix configure macros used.
* src/misc/acccompl.hh, src/misc/acccompl.cc (AccCompl): Rename to
acc_compl.
* src/tgbaalgos/simulation.cc (AccComplAutomaton, Simulation): Rename
to acc_compl_automaton and direct_simulation. At the same time,
reindent the whole file.
* src/sanity/style.test: Detect capitalized class names.
* src/kripke/kripkeexplicit.hh (KripkePrint): Remove useless
predeclaration.
* src/tgbaalgos/simulation.hh: Typo in comment.
* src/ltlvisit/wmunabbrev.hh, src/ltlvisit/wmunabbrev.cc: New files.
* src/ltlvisit/Makefile.am: Add them.
* src/ltlvisit/tostring.cc (to_spin_string): Use the new rewriting.
* wrap/python/ajax/spot.in: Warn when a "Spin" still contain PSL
operators.
* wrap/python/ajax/ltl2tgba.html: Adjust help text.
* doc/tl/tl.tex, NEWS: Document the new rewriting.
* src/ltlparse/ltlscan.ll: Understand the combining overline, and
combining overbar as synonym for =0.
* src/ltlvisit/tostring.cc: Emit a combining overline for
single-letter atomic propositions.
* src/ltlast/atomic_prop.hh (is_atomic_prop): New function.
* doc/tl/tl.tex: Document these two characters.
* src/tgba/tgbaexplicit.hh: Rerganize a bit to
allow different functions to be used to format
states. Add an enabled_utf8() method to
tgba_explicit_formula.
* src/tgbaalgos/dotty.hh, src/tgbaalgos/dotty.cc:
Simplify the interface by not depending on
dotty_decorator explicitely.
* src/tgba/bddprint.hh (enable_utf8): New function.
* src/tgba/bddprint.cc (enable_utf8): Implement it
and use the global utf8 flag in other functions.
* src/tgbatest/ltl2tgba.cc: Add an -8 option for
UTF-8 outpout.
* wrap/python/spot.i: Adjust for tgbexplicit.hh
changes.
* src/ltlparse/public.hh (fix_utf8_locations): New function.
* src/ltlparse/fmterror.cc (fix_utf8_locations): Implement it.
(format_parse_errors): Rename as ...
(format_parse_errors_aux): ... this.
(format_parse_errors): New implementation that call fix_utf8_locations()
before format_parse_errors_aux() on valid utf8 strings.
* src/ltlparse/Makefile.am: Include $(top_srcdir).
* src/ltltest/utf8.test: New file.
* src/ltltest/Makefile.am: Add it.
* src/ltltest/parse.test: Fix header.
* src/ltlparse/ltlparse.yy: Make all the above operators
right-associative. Also let `:' have precedence over `;'.
* src/ltltest/reduccmp.test: Adjust for the `:' precedence.
* doc/tl/tl.tex, NEWS: Document this.
* src/ltlvisit/simplify.cc (reduce_sere_ltl): New function,
to factor the code of the []-> and <>-> rewrittings.
* src/ltltest/reduccmp.test: Add more tests.
* doc/tl/tl.tex: Document these rewritings.
* src/ltlvisit/simplify.cc: Here.
* doc/tl/tl.tex: Document then.
* src/ltlast/bunop.hh (as_KleenStar): New helper function.
* src/ltltest/reduccmp.test: Add more tests.
* src/ltltest/reduc.cc: Also display the resulting formula
without reduce_size_stricly.
* src/ltlvisit/snf.cc, src/ltlvisit/snf.hh: New files.
* src/ltlvisit/Makefile.am: Distribute them.
* src/ltlvisit/simplify.cc, src/ltlvisit/simplify.hh: Call snf(f) for
all f[*].
* src/ltltest/reduccmp.test: Test it.
* doc/tl/tl.tex, doc/tl/tl.bib: Document it.
* src/ltlast/bunop.hh (one_star): New static method building 1[*].
* src/ltlast/bunop.cc (bunop::~bunop, bunop::instance_count): Adjust.
* src/ltlast/multop.cc: Implement the trivial rewriting.
* src/ltlast/multop.hh, doc/tl/tl.tex: Document it.
* src/ltltest/equals.test: Test it.
Especially, 1&f and 1:f were mistakenly always reduced to f, which is
incorrect when f accept the empty word.
* src/ltlast/multop.cc: Here.
* src/ltlast/multop.hh, doc/tl/tl.tex: Adjust documentation.
* src/ltltest/equals.test: Add more tests.
It was a mistake to try to overload And/Or LTL operator for these when
trivial simplification are performed. The reason is so simple it is
embarassing: And(f,1)=f is a trivial identity that should not be
applied with AndRat. E.g. AndRat(a;b, 1) is equal to 0, not a;b.
* src/ltlast/multop.hh, src/ltlast/multop.cc: Add the AndRat and OrRat
operators.
* src/ltlparse/ltlparse.yy: Build them.
* src/ltlvisit/mark.cc, src/ltlvisit/simplify.cc,
src/ltlvisit/tostring.cc, src/tgba/formula2bdd.cc,
src/tgbaalgos/eltl2tgba_lacim.cc, src/tgbaalgos/ltl2taa.cc,
src/tgbaalgos/ltl2tgba_fm.cc, src/tgbaalgos/ltl2tgba_lacim.cc:
Adjust all switches.
* src/ltlast/bunop.hh, src/ltlast/bunop.cc, src/ltlvisit/randomltl.cc,
src/ltlvisit/simplify.cc, src/ltlvisit/tostring.cc,
src/tgbaalgos/ltl2tgba_fm.cc: Remove all traces of these two
operators since they are not handled like sugar.
* doc/tl/tl.tex: Adjust documentation to reflect the fact that these
two operators are sugar.
* src/ltlvisit/tostring.cc (to_string_visitor): Take a list of
keywords as fourth argument.
(to_spin_string_visitor): Remove.
(to_string, to_spin_string): Adjust usage of to_string_visitor.
* src/ltlast/multop.hh (is_multop): Take a constant formula as input.
* src/ltlvisit/tostring.cc (to_string_visitor::visit(multop*)):
Output []=> or <>=> when the left argument of a []-> or <>-> is
a concatenation that ends in 1.
* doc/tl/tl.tex: Document this desugaring.
