chunk_t *chunk_get_prev(chunk_t *cur, nav_t nav)
{
if (cur == NULL)
{
return(NULL);
}
chunk_t *pc = g_cl.GetPrev(cur);
if ((pc == NULL) || (nav == CNAV_ALL))
{
return(pc);
}
if (cur->flags & PCF_IN_PREPROC)
{
/* If in a preproc, return NULL if trying to leave */
if ((pc->flags & PCF_IN_PREPROC) == 0)
{
return(NULL);
}
return(pc);
}
/* Not in a preproc, skip any preproc */
while ((pc != NULL) && (pc->flags & PCF_IN_PREPROC))
{
pc = g_cl.GetPrev(pc);
}
return(pc);
}
chunk_t *chunk_get_prev(chunk_t *cur, scope_e scope)
{
if (cur == nullptr)
{
return(nullptr);
}
chunk_t *pc = g_cl.GetPrev(cur);
if (pc == nullptr || scope == scope_e::ALL)
{
return(pc);
}
if (cur->flags & PCF_IN_PREPROC)
{
// If in a preproc, return NULL if trying to leave
if ((pc->flags & PCF_IN_PREPROC) == 0)
{
return(nullptr);
}
return(pc);
}
// Not in a preproc, skip any preproc
while (pc != nullptr && (pc->flags & PCF_IN_PREPROC))
{
pc = g_cl.GetPrev(pc);
}
return(pc);
}