diff options
Diffstat (limited to 'degesch.c')
| -rw-r--r-- | degesch.c | 57 |
1 files changed, 46 insertions, 11 deletions
@@ -7447,6 +7447,19 @@ lua_server_gc (lua_State *L) } static int +lua_server_get_buffer (lua_State *L) +{ + struct lua_server *wrapper = luaL_checkudata (L, 1, XLUA_SERVER_METATABLE); + luaL_argcheck (L, wrapper->server, 1, "dead reference used"); + + if (wrapper->server->buffer) + lua_plugin_push_buffer (wrapper->plugin, wrapper->server->buffer); + else + lua_pushnil (L); + return 1; +} + +static int lua_server_send (lua_State *L) { struct lua_server *wrapper = luaL_checkudata (L, 1, XLUA_SERVER_METATABLE); @@ -7460,9 +7473,10 @@ lua_server_send (lua_State *L) static luaL_Reg lua_server_table[] = { // TODO: some useful methods or values - { "__gc", lua_server_gc }, - { "send", lua_server_send }, - { NULL, NULL } + { "__gc", lua_server_gc }, + { "get_buffer", lua_server_get_buffer }, + { "send", lua_server_send }, + { NULL, NULL } }; static void @@ -7820,20 +7834,41 @@ lua_plugin_panic (lua_State *L) return 0; } +static int +lua_plugin_property_get (lua_State *L) +{ + luaL_checktype (L, 1, LUA_TUSERDATA); + const char *property_name = luaL_checkstring (L, 2); + + // Either it's directly present in the metatable + if (luaL_getmetafield (L, 1, property_name)) + return 1; + + // Or we try to find and eventually call a getter method + char *getter_name = xstrdup_printf ("get_%s", property_name); + bool found = luaL_getmetafield (L, 1, getter_name); + free (getter_name); + + if (found) + { + lua_pushvalue (L, 1); + lua_call (L, 1, 1); + return 1; + } + + return luaL_error (L, "%s: %s", + "no such method or property", property_name); +} + static void lua_plugin_create_meta (lua_State *L, const char *name, luaL_Reg *fns) { luaL_newmetatable (L, name); luaL_setfuncs (L, fns, 0); - // Otherwise any non-meta functions would be inaccessible - bool has_own_index = (lua_getfield (L, -1, "__index") != LUA_TNIL); - lua_pop (L, 1); - if (!has_own_index) - { - lua_pushvalue (L, -1); - lua_setfield (L, -2, "__index"); - } + // Emulate properties for convenience + lua_pushcfunction (L, lua_plugin_property_get); + lua_setfield (L, -2, "__index"); lua_pop (L, 1); } |