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Fully quote guards used by neverclaims.

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Especially with should write !(p0) and not !p0, because p0 is
usually #define'd by the user and he may have forgotten to quote
the value of the macro.  This issue was discovered by Kristin
Yvonne Rozier and diagnosed by Gerard Holzmann.

* src/tgbaalgos/neverclaim.cc (process_link): Call
to_spin_string(..., true) to fully parentheses the string.
* src/tgbatest/neverclaimread.test: Add a test.
This commit is contained in:
Alexandre Duret-Lutz 2011-11-16 14:24:34 +01:00
parent 2b5956c2d4
commit ea6a1ffc22
4 changed files with 19 additions and 1 deletions
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4
src/tgbatest/neverclaimread.test
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@ -118,5 +118,9 @@ do
run 0 ../ltl2tgba -E -Pf.tgba -XN f.ltl2ba
fi
run 0 ../ltl2tgba -DS -NN -f "$f" > f.spot
# Make sure there is no `!x' occurring in the
# output. Because `x' is usually #define'd, we
# should use `!(x)' in guards.
grep '![^(].*->' f.spot && exit 1
run 0 ../ltl2tgba -E -Pf.tgba -XN f.spot
done <formulae