Function loadline

src/Chain/libraries/glua/lrepl.cpp:415–425

** Read a line and try to load (compile) it first as an expression (by ** adding "return " in front of it) and second as a statement. Return ** the final status of load/call with the resulting function (if any) ** in the top of the stack. */

** in the top of the stack.
*/
static int loadline(lua_State *L) {
    int status;
    lua_settop(L, 0);
    if (!pushline(L, 1))
        return -1;  /* no input */
    if ((status = addreturn(L)) != LUA_OK)  /* 'return ...' did not work? */
        status = multiline(L);  /* try as command, maybe with continuation lines */
    lua_remove(L, 1);  /* remove line from the stack */
    lua_assert(lua_gettop(L) == 1);
    return status;
}

/*
** Do the REPL: repeatedly read (load) a line, evaluate (call) it, and