Function luaK_setlist

libraries/AP_Scripting/lua/src/lcode.c:1196–1209

** Emit a SETLIST instruction. ** 'base' is register that keeps table; ** 'nelems' is #table plus those to be stored now; ** 'tostore' is number of values (in registers 'base + 1',...) to add to ** table (or LUA_MULTRET to add up to stack top). */

** table (or LUA_MULTRET to add up to stack top).
*/
void luaK_setlist (FuncState *fs, int base, int nelems, int tostore) {
  int c =  (nelems - 1)/LFIELDS_PER_FLUSH + 1;
  int b = (tostore == LUA_MULTRET) ? 0 : tostore;
  lua_assert(tostore != 0 && tostore <= LFIELDS_PER_FLUSH);
  if (c <= MAXARG_C)
    luaK_codeABC(fs, OP_SETLIST, base, b, c);
  else if (c <= MAXARG_Ax) {
    luaK_codeABC(fs, OP_SETLIST, base, b, 0);
    codeextraarg(fs, c);
  }
  else
    luaX_syntaxerror(fs->ls, "constructor too long");
  fs->freereg = base + 1;  /* free registers with list values */
}