X-Git-Url: https://git.decadent.org.uk/gitweb/?p=ion3.git;a=blobdiff_plain;f=libextl%2Fluaextl.c;h=a2cc2b92759133a4d31fb7f87225a79bc52a3f69;hp=c53fde6fe74135cfdfda0b3fba924967c30d0ddd;hb=de22e45179cb3bafa490294d31d47f361047a30a;hpb=803afbc1cd633f6c025bcd9537e9b7e9aedadd0d

diff --git a/libextl/luaextl.c b/libextl/luaextl.c
index c53fde6..a2cc2b9 100644
--- a/libextl/luaextl.c
+++ b/libextl/luaextl.c
@@ -444,7 +444,7 @@ bool dopath(const char *what);
 static bool extl_init_obj_info(lua_State *st)
 {
     static ExtlExportedFnSpec dummy[]={
-        {NULL, NULL, NULL, NULL, NULL, FALSE, FALSE}
+        {NULL, NULL, NULL, NULL, NULL, FALSE, FALSE, FALSE}
     };
     
     extl_register_class("Obj", dummy, NULL);
@@ -1746,7 +1746,7 @@ static int extl_l1_call_handler2(lua_State *st)
 
     D(fprintf(stderr, "%s called\n", spec->name));
     
-   if(!lua_checkstack(st, MAX_PARAMS+1)){
+    if(!lua_checkstack(st, MAX_PARAMS+1)){
         extl_warn(TR("Stack full."));
         return 0;
     }
@@ -1828,7 +1828,7 @@ static int extl_l1_call_handler(lua_State *st)
         return 0;
     }
     
-    if(param.spec->fn==NULL){
+    if(!param.spec->registered){
         extl_warn(TR("Called function has been unregistered."));
         return 0;
     }
@@ -1962,22 +1962,14 @@ static bool extl_do_register_function(lua_State *st, RegData *data)
         lua_rawgeti(st, LUA_REGISTRYINDEX, data->table);
         ind=-3;
     }
-
-    lua_pushstring(st, spec->name);
-
-    spec2=lua_newuserdata(st, sizeof(ExtlExportedFnSpec));
     
-    memcpy(spec2, spec, sizeof(ExtlExportedFnSpec));
+    lua_pushstring(st, spec->name);
 
-    lua_getregistry(st);
-    lua_pushvalue(st, -2); /* Get spec2 */
-    lua_pushfstring(st, "luaextl_%s_%s_upvalue", 
-                    data->cls, spec->name);
-    lua_rawset_check(st, -3); /* Set registry.luaextl_fn_upvalue=spec2 */
-    lua_pop(st, 1); /* Pop registry */
+    lua_pushlightuserdata(st, spec);
     lua_pushcclosure(st, extl_l1_call_handler, 1);
+    
     lua_rawset_check(st, ind);
-
+    
     return TRUE;
 }
 
@@ -1998,6 +1990,7 @@ static bool extl_do_register_functions(ExtlExportedFnSpec *spec, int max,
                         &regdata)){
             return FALSE;
         }
+        spec[i].registered=TRUE;
     }
     
     return TRUE;
@@ -2018,28 +2011,8 @@ bool extl_register_functions(ExtlExportedFnSpec *spec)
 
 static bool extl_do_unregister_function(lua_State *st, RegData *data)
 {
-    ExtlExportedFnSpec *spec=data->spec, *spec2;
+    ExtlExportedFnSpec *spec=data->spec;
     int ind=LUA_GLOBALSINDEX;
-
-    lua_getregistry(st);
-    lua_pushfstring(st, "luaextl_%s_%s_upvalue", 
-                    data->cls, spec->name);
-    lua_pushvalue(st, -1);
-    lua_gettable(st, -3); /* Get registry.luaextl_fn_upvalue */
-    spec2=lua_touserdata(st, -1);
-
-    if(spec2==NULL)
-        return FALSE;
-    
-    spec2->ispec=NULL;
-    spec2->ospec=NULL;
-    spec2->fn=NULL;
-    spec2->name=NULL;
-    spec2->l2handler=NULL;
-
-    lua_pop(st, 1); /* Pop the upvalue */
-    lua_pushnil(st);
-    lua_rawset_check(st, -3); /* Clear registry.luaextl_fn_upvalue */
     
     if(data->table!=LUA_NOREF){
         lua_rawgeti(st, LUA_REGISTRYINDEX, data->table);
@@ -2069,6 +2042,7 @@ static void extl_do_unregister_functions(ExtlExportedFnSpec *spec, int max,
         regdata.spec=&(spec[i]);
         extl_cpcall(l_st, (ExtlCPCallFn*)extl_do_unregister_function,
                     &regdata);
+        spec[i].registered=FALSE;
     }
 }