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unabbreviate: enable removal of R

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This implies learning alternative rules for G, and W as well, since
those would use R.

Fixes #103.  Suggested by Joachim Klein.

* src/ltlvisit/unabbrev.cc, src/ltlvisit/unabbrev.hh: Implement the
new rules.
* doc/tl/tl.tex: Document the rules.
* src/tests/unabbrevwm.test: Test them.
* src/bin/ltlfilt.cc, NEWS: Mention that --unabbreviate accepts R.
This commit is contained in:
Alexandre Duret-Lutz 2015-08-21 16:02:52 +02:00
parent 0b8c418c94
commit 308833788b
6 changed files with 110 additions and 22 deletions
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3
src/ltlvisit/unabbrev.hh
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@ -40,11 +40,12 @@ namespace spot
bool re_g_ = false;
bool re_i_ = false;
bool re_m_ = false;
bool re_r_ = false;
bool re_w_ = false;
bool re_xor_ = false;
bool re_some_bool_ = false; // rewrite xor, i, or e
bool re_some_f_g_ = false; // rewrite F or G
bool re_some_other_ = false; // rewrite W or M
bool re_some_other_ = false; // rewrite W, M, or R
// Cache of rewritten subformulas
std::unordered_map<const formula*, const formula*> cache_;
public: