Function luaX_next

Source/Misc/lua/src/lua.c:7159–7167

void luaX_next (LexState *ls) {
ls->lastline = ls->linenumber;
if (ls->lookahead.token != TK_EOS) {  /* is there a look-ahead token? */
ls->t = ls->lookahead;  /* use this one */
ls->lookahead.token = TK_EOS;  /* and discharge it */
}
else
ls->t.token = llex(ls, &ls->t.seminfo);  /* read next token */
}


void luaX_lookahead (LexState *ls) {