** Do the REPL: repeatedly read (load) a line, evaluate (call) it, and ** print any results. */
| 601 | ** print any results. |
| 602 | */ |
| 603 | static void doREPL (lua_State *L) { |
| 604 | int status; |
| 605 | const char *oldprogname = progname; |
| 606 | progname = NULL; /* no 'progname' on errors in interactive mode */ |
| 607 | lua_initreadline(L); |
| 608 | while ((status = loadline(L)) != -1) { |
| 609 | if (status == LUA_OK) |
| 610 | status = docall(L, 0, LUA_MULTRET); |
| 611 | if (status == LUA_OK) l_print(L); |
| 612 | else report(L, status); |
| 613 | } |
| 614 | lua_settop(L, 0); /* clear stack */ |
| 615 | lua_writeline(); |
| 616 | progname = oldprogname; |
| 617 | } |
| 618 | |
| 619 | /* }================================================================== */ |
| 620 |