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* src/ltlparse/ltlparse.yy (OP_POST_NEG, OP_POST_POS): New tokens.

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(subformula): Recognize `ATOMIC_PROP OP_POST_POS' and
`ATOMIC_PROP OP_POST_NEG'.
* src/ltlparse/ltlscan.ll: Introduce the not_prop start condition,
to restrict the set of atomic propositions allowed in places
where they are not expected.  Make `true' and `false' case insensitive.
* src/ltltest/parse.test, src/ltltest/tostring.test: More cases.
* src/ltlvisit/tostring.cc (to_string_visitor): Quote atomic
propositions equal to "true" or "false".
This commit is contained in:
Alexandre Duret-Lutz 2004-05-13 09:49:06 +00:00
parent 4f96a9fc14
commit 60a3b4ed72
6 changed files with 125 additions and 34 deletions
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6
src/ltltest/tostring.test
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@ -45,3 +45,9 @@ run 0 ./tostring 'b & a & a & (c | e |(g U g)| e | c) & b'
run 0 ./tostring 'F"F1"&G"G"&X"X"'
run 0 ./tostring 'GFfalse'
run 0 ./tostring 'GFtrue'
run 0 ./tostring 'p=0Uq=1Ut=1'
run 0 ./tostring 'F"FALSE"'
run 0 ./tostring 'G"TruE"'
run 0 ./tostring 'FFALSE'
run 0 ./tostring 'GTruE'
run 0 ./tostring 'p=0UFXp=1'