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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.
This commit is contained in:
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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8
src/ltlvisit/tostring.cc
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@ -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