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Use [*0] instead of #e, and support [*] in addition to *.

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* src/ltlparse/ltlscan.ll: Recognize [*] as *, and use
[*0] instead of #e for the empty word.
* src/ltlast/binop.cc, src/ltlast/constant.cc,
src/ltlast/multop.cc, src/ltlast/multop.hh, src/ltlast/unop.cc,
src/ltlast/unop.hh, src/ltltest/consterm.test,
src/ltltest/equals.test: Adjust all occurrences of #e to [*0].
* src/tgbatest/ltl2tgba.test: Also use [*].
This commit is contained in:
Alexandre Duret-Lutz 2010-03-09 16:08:38 +01:00
parent 4e7233d9fa
commit 8b8633de8c
10 changed files with 41 additions and 42 deletions
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2
src/ltlast/multop.hh
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@ -80,7 +80,7 @@ namespace spot
/// are also taken care of. The following rewriting are performed
/// (the left patterns are rewritten as shown on the right):
///
/// - Concat(Exps1...,#e,Exps2...) = Concat(Exps1...,Exps2...)
/// - Concat(Exps1...,[*0],Exps2...) = Concat(Exps1...,Exps2...)
/// - Concat(Exps1...,0,Exps2...) = 0
/// - Concat(Exp) = Exp
/// - And(Exps1...,1,Exps2...) = And(Exps1...,Exps2...)