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* src/ltlvisit/tostring.cc: Fix output of F0, F1, G0, G1, X0, and X1.

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* src/ltltest/tostring.test: Test these.
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Alexandre Duret-Lutz 2004-01-30 16:55:12 +00:00
parent 1d72cdc86e
commit 2f7d46d719
3 changed files with 15 additions and 0 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2004-01-30 Alexandre Duret-Lutz <adl@src.lip6.fr>
* src/ltlvisit/tostring.cc: Fix output of F0, F1, G0, G1, X0, and X1.
* src/ltltest/tostring.test: Test these.
2004-01-29 Alexandre Duret-Lutz <adl@src.lip6.fr>
* src/tgba/tgbaexplicit.cc (tgba_explicit::get_acceptance_condition):

2
src/ltltest/tostring.test
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@ -43,3 +43,5 @@ run 0 ./tostring 'a <=> b'
run 0 ./tostring 'a & b & (c |(f U g)| e)'
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'

8
src/ltlvisit/tostring.cc
View file

@ -96,10 +96,14 @@ namespace spot
void
visit(const unop* uo)
{
// The parser treats F0, F1, G0, G1, X0, and X1 as atomic
// propositions. So make sure we output F(0), G(1), etc.
bool need_parent = !! dynamic_cast<const constant*>(uo->child());
switch(uo->op())
{
case unop::Not:
os_ << "!";
need_parent = false;
break;
case unop::X:
os_ << "X";
@ -112,7 +116,11 @@ namespace spot
break;
}
if (need_parent)
os_ << "(";
uo->child()->accept(*this);
if (need_parent)
os_ << ")";
}
void