label.cc

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#include <ostream>

#include "src/codegen/label.h"

namespace re2c {

const uint32_t label_t::FIRST = 0;

label_t::label_t ()
    : value (FIRST)
{}

void label_t::inc ()
{
    ++value;
}

label_t label_t::first ()
{
    return label_t ();
}

bool label_t::operator < (const label_t & l) const
{
    return value < l.value;
}

uint32_t label_t::width () const
{
    uint32_t v = value;
    uint32_t n = 0;
    while (v /= 10) ++n;
    return n;
}

std::ostream & operator << (std::ostream & o, label_t l)
{
    o << l.value;
    return o;
}

} // namespace re2c