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* src/ltltest/tostring.test: New file.

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* src/ltltest/tostring.cc: New files.
* src/ltlvisit/tostring.hh: From ast to string New files.
* src/ltlvisit/tostring.cc: From ast to string New files.
This commit is contained in:
rebiha 2003-04-24 10:43:26 +00:00
parent fc9f8965bf
commit eed40025be
8 changed files with 231 additions and 5 deletions
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125
src/ltlvisit/tostring.cc Normal file
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#include <cassert>
#include "tostring.hh"
#include "ltlast/visitor.hh"
#include "ltlast/allnodes.hh"
namespace spot
{
namespace ltl
{
class to_string_visitor : public spot::ltl::const_visitor
{
public:
to_string_visitor(std::ostream& os = std::cout)
: os_(os)
{
}
virtual
~to_string_visitor()
{
}
void
visit(const spot::ltl::atomic_prop* ap)
{
os_ << ap->name();
}
void
visit(const spot::ltl::constant* c)
{
os_ << c->val_name();
}
void
visit(const spot::ltl::binop* bo)
{
os_ << "(";
bo->first()->accept(*this);
switch(bo->op())
{
case spot::ltl::binop::Xor:
os_ << " ^ ";
break;
case spot::ltl::binop::Implies:
os_ << " => ";
break;
case spot::ltl::binop::Equiv:
os_ << " <=> ";
break;
case spot::ltl::binop::U:
os_ << " U ";
break;
case spot::ltl::binop::R:
os_ << " R ";
break;
}
bo->second()->accept(*this);
os_ << ")";
}
void
visit(const spot::ltl::unop* uo)
{
switch(uo->op())
{
case spot::ltl::unop::Not:
os_ << "!";
break;
case spot::ltl::unop::X:
os_ << "X";
break;
case spot::ltl::unop::F:
os_ << "F";
break;
case spot::ltl::unop::G:
os_ << "G";
break;
}
uo->child()->accept(*this);
}
void
visit(const spot::ltl::multop* mo)
{
os_ << "(";
unsigned max = mo->size();
mo->nth(0)->accept(*this);
const char* ch = " ";
switch (mo->op())
{
case spot::ltl::multop::Or:
ch = " | ";
break;
case spot::ltl::multop::And:
ch = " & ";
break;
}
for (unsigned n = 1; n < max; ++n)
{
os_ << ch;
mo->nth(n)->accept(*this);
}
os_ << ")";
}
private:
std::ostream& os_;
};
void
to_string(const formula& f, std::ostream& os)
{
to_string_visitor v(os);
f.accept(v);
}
}
}