Convert a formula into a string parsable by Spin.
* src/tgbaalgos/neverclaim.hh, src/tgbaalgos/neverclaim.cc: New files.
Print the never claim in Spin format of a degeneralized TGBA.
* src/tgbaalgos/Makefile.am: Add them.
* src/tgbatest/ltl2tgba.cc: Add the option -N which outputs the
never claim in Spin format of a degeneralized TGBA.
* src/tgbatest/ltl2neverclaim.test: New file.
* src/tgbatest/Makefile.am: Add it.
* src/ObstackAlloc.h: ... this. The problem is that alloc.h is a
system header in g++ < 3.0, and Darwin has a case-insensitive
filesystem. System headers that include alloc.h pick the local
Alloc.h version.
* BuchiAutomaton.h, Configuration.h, DispUtil.cc,
ExternalTranslator.h, FormulaRandomizer.h, Graph.h.in,
LtlFormula.h, Makefile.am, NeverClaimAutomaton.h, PathEvaluator.h,
ProductAutomaton.h, SccIterator.h, SharedTestData.h,
StatDisplay.h, StateSpace.h, StateSpaceRandomizer.cc,
StringUtil.h, TestOperations.h, TestRoundInfo.h, TestStatistics.h,
UserCommandReader.h, UserCommands.h, main.cc: Adjust includes.
and SIGQUIT.
* src/ExternalTranslator.cc (ExternalTranslator::translate): Likewise.
* src/main.cc (main): Do not intercept SIGINT in
non-interactive runs.
Declare class SpotWrapper as a friend.
* src/SpotWrapper.h, src/SpotWrapper.cc: New files.
* src/Makefile.am (lbtt_translate_SOURCES): Add SpotWrapper.cc
and SpotWrapper.h.
* src/translate.cc (main): Add the --spot option, and build
a SpotWrapper of required.
