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ltlfilt: support --ap=RANGE instead of --ap=N

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Fixes #131.

* bin/ltlfilt.cc: Implement the option.
* tests/core/ltlfilt.test: Test it.
* NEWS: Mention it.
This commit is contained in:
Alexandre Duret-Lutz 2016-02-15 14:14:18 +01:00
parent 1b12df46fe
commit 52bf1da3c2
3 changed files with 41 additions and 8 deletions
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19
bin/ltlfilt.cc
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@ -194,8 +194,8 @@ static const argp_option options[] =
{ "stutter-insensitive", OPT_STUTTER_INSENSITIVE, nullptr, 0,
"match stutter-insensitive LTL formulas", 0 },
{ "stutter-invariant", 0, nullptr, OPTION_ALIAS, nullptr, 0 },
{ "ap", OPT_AP_N, "N", 0,
"match formulas which use exactly N atomic propositions", 0 },
{ "ap", OPT_AP_N, "RANGE", 0,
"match formulas with a number of atomic propositions in RANGE", 0 },
{ "invert-match", 'v', nullptr, 0, "select non-matching formulas", 0},
{ "unique", 'u', nullptr, 0,
"drop formulas that have already been output (not affected by -v)", 0 },
@ -264,8 +264,7 @@ static relabeling_mode relabeling = NoRelabeling;
static spot::relabeling_style style = spot::Abc;
static bool remove_x = false;
static bool stutter_insensitive = false;
static bool ap = false;
static unsigned ap_n = 0;
static range ap_n = { -1, -1 };
static int opt_max_count = -1;
static long int match_count = 0;
@ -433,8 +432,7 @@ parse_opt(int key, char* arg, struct argp_state*)
unabbreviate += spot::default_unabbrev_string;
break;
case OPT_AP_N:
ap = true;
ap_n = to_int(arg);
ap_n = parse_range(arg, 0, std::numeric_limits<int>::max());
break;
case OPT_SYNTACTIC_SAFETY:
syntactic_safety = true;
@ -578,7 +576,14 @@ namespace
matched &= !syntactic_recurrence || f.is_syntactic_recurrence();
matched &= !syntactic_persistence || f.is_syntactic_persistence();
matched &= !syntactic_si || f.is_syntactic_stutter_invariant();
matched &= !ap || atomic_prop_collect(f)->size() == ap_n;
if (matched && (ap_n.min > 0 || ap_n.max >= 0))
{
auto s = atomic_prop_collect(f);
int n = s->size();
delete s;
matched &= (ap_n.min <= 0) || (n >= ap_n.min);
matched &= (ap_n.max < 0) || (n <= ap_n.max);
}
if (matched && (size.min > 0 || size.max >= 0))
{