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* src/ltlast/multop.cc (multop::multop): Use multop::add.

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(multop::add): If the formulae we add is itself a multop for the
same operator, merge its children with ours.
* src/ltltest/parseerr.test: Add two tests for multop merging.
This commit is contained in:
Alexandre Duret-Lutz 2003-04-16 11:27:06 +00:00
parent 2fd7b742f0
commit eec66e6d07
3 changed files with 29 additions and 4 deletions
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3
src/ltltest/parseerr.test
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@ -39,6 +39,9 @@ check 'a U b V c R' ''
# leading and trailing garbage are skipped
check '/2/3/4/5 a + b /6/7/8/' 'multop(Or, AP(a), AP(b))'
check 'a U b c' 'binop(U, AP(a), AP(b))'
# (check multop merging while we are at it)
check 'a & b & c & d e' 'multop(And, AP(a), AP(b), AP(c), AP(d))'
check 'a & (b | c) & d should work' 'multop(And, AP(a), multop(Or, AP(b), AP(c)), AP(d))'
# Recovery inside parentheses
check 'a U (b c) U e R (f g <=> h)' \