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Track finite formulae.

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I.e., SERE without star, or LTL formula using only X and Boolean
operators.

* src/ltlast/formula.hh, src/ltlast/formula.cc: Add a bit for
tracking finite formulas.
* src/ltlast/atomic_prop.cc, src/ltlast/automatop.cc,
src/ltlast/bunop.cc, src/ltlast/constant.cc, src/ltlast/formula.cc:
Adjust.
* src/ltlast/unop.cc, src/ltlast/binop.cc: Adjust and use that
bit to refine the computation of some LTL classes.
* src/ltltest/kind.test: New tests.
This commit is contained in:
Alexandre Duret-Lutz 2011-02-27 13:29:14 +01:00
parent df760a4597
commit fb386209aa
9 changed files with 84 additions and 31 deletions
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7
src/ltlast/unop.cc
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@ -66,6 +66,7 @@ namespace spot
is.boolean = false;
is.eltl_formula = false;
is.sere_formula = false;
is.finite = false;
is.sugar_free_ltl = false;
is.eventual = true;
is.syntactic_safety = false;
@ -79,6 +80,7 @@ namespace spot
is.boolean = false;
is.eltl_formula = false;
is.sere_formula = false;
is.finite = false;
is.sugar_free_ltl = false;
is.universal = true;
// is.syntactic_safety inherited
@ -93,6 +95,7 @@ namespace spot
is.ltl_formula = false;
is.psl_formula = false;
is.sere_formula = false;
is.finite = false;
is.syntactic_safety = false;
is.syntactic_guarantee = false;
is.syntactic_obligation = false;
@ -107,7 +110,7 @@ namespace spot
is.eltl_formula = false;
is.psl_formula = true;
is.sere_formula = false;
is.syntactic_safety = true;
is.syntactic_safety = is.finite;
is.syntactic_guarantee = true;
is.syntactic_obligation = true;
is.syntactic_recurrence = true;
@ -121,7 +124,7 @@ namespace spot
is.psl_formula = true;
is.sere_formula = false;
is.syntactic_safety = true;
is.syntactic_guarantee = true;
is.syntactic_guarantee = is.finite;
is.syntactic_obligation = true;
is.syntactic_recurrence = true;
is.syntactic_persistence = true;