Function Sys_SetErrorHandler

engine/script/src/script_sys.cpp:1137–1156

set the error handler * * Set the Lua error handler function. * The error handler is a function which is called whenever a lua runtime error occurs. * * @name sys.set_error_handler * @param error_handler [type:function(source, message, traceback)] the function to be called on error * * `source` * : [type:string] The runtime context of the error. Current

     * ```
     */
    static int Sys_SetErrorHandler(lua_State* L)
    {
        int top = lua_gettop(L);
        luaL_checktype(L, 1, LUA_TFUNCTION);

        // store the supplied function in debug.<SCRIPT_ERROR_HANDLER_VAR> so that it can
        // be called from dmScript::PCall
        lua_getfield(L, LUA_GLOBALSINDEX, "debug");
        if (!lua_istable(L, -1)) {
            lua_pop(L, 1);
            return 1;
        }

        lua_pushvalue(L, 1);
        lua_setfield(L, -2, SCRIPT_ERROR_HANDLER_VAR);
        lua_pop(L, 1);

        assert(top == lua_gettop(L));
        return 0;
    }

    /*# set host to check for network connectivity against
     *