go_used_labels.cc

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#include <stddef.h>
#include "src/util/c99_stdint.h"
#include <set>
#include <utility>
#include <vector>

#include "src/codegen/go.h"
#include "src/codegen/label.h"
#include "src/ir/adfa/adfa.h"

namespace re2c
{

void Cases::used_labels (std::set<label_t> & used)
{
    for (uint32_t i = 0; i < cases_size; ++i)
    {
        used.insert (cases[i].to->label);
    }
}

void Binary::used_labels (std::set<label_t> & used)
{
    thn->used_labels (used);
    els->used_labels (used);
}

void Linear::used_labels (std::set<label_t> & used)
{
    for (uint32_t i = 0; i < branches.size (); ++i)
    {
        used.insert (branches[i].second->label);
    }
}

void If::used_labels (std::set<label_t> & used)
{
    switch (type)
    {
        case BINARY:
            info.binary->used_labels (used);
            break;
        case LINEAR:
            info.linear->used_labels (used);
            break;
    }
}

void SwitchIf::used_labels (std::set<label_t> & used)
{
    switch (type)
    {
        case SWITCH:
            info.cases->used_labels (used);
            break;
        case IF:
            info.ifs->used_labels (used);
            break;
    }
}

void GoBitmap::used_labels (std::set<label_t> & used)
{
    if (hgo != NULL)
    {
        hgo->used_labels (used);
    }
    used.insert (bitmap_state->label);
    if (lgo != NULL)
    {
        lgo->used_labels (used);
    }
}

void CpgotoTable::used_labels (std::set<label_t> & used)
{
    for (uint32_t i = 0; i < TABLE_SIZE; ++i)
    {
        used.insert (table[i]->label);
    }
}

void Cpgoto::used_labels (std::set<label_t> & used)
{
    if (hgo != NULL)
    {
        hgo->used_labels (used);
    }
    table->used_labels (used);
}

void Go::used_labels (std::set<label_t> & used)
{
    switch (type)
    {
        case EMPTY:
        case DOT:
            break;
        case SWITCH_IF:
            info.switchif->used_labels (used);
            break;
        case BITMAP:
            info.bitmap->used_labels (used);
            break;
        case CPGOTO:
            info.cpgoto->used_labels (used);
            break;
    }
}

} // namespace re2c