jscript: Iterate through the map in a helper function.

dlls/jscript/set.c

@@ -127,6 +127,40 @@ static void delete_map_entry(MapInstance *map, struct jsval_map_entry *entry)
     release_map_entry(entry);
 }
 
+static HRESULT iterate_map(MapInstance *map, script_ctx_t *ctx, unsigned argc, jsval_t *argv, jsval_t *r)
+{
+    struct jsval_map_entry *entry;
+    HRESULT hres;
+
+    if(!argc || !is_object_instance(argv[0])) {
+        FIXME("invalid callback %s\n", debugstr_jsval(argc ? argv[0] : jsval_undefined()));
+        return E_FAIL;
+    }
+
+    if(argc > 1) {
+        FIXME("Unsupported argument\n");
+        return E_NOTIMPL;
+    }
+
+    LIST_FOR_EACH_ENTRY(entry, &map->entries, struct jsval_map_entry, list_entry) {
+        jsval_t args[2], v;
+        if(entry->deleted)
+            continue;
+        args[0] = entry->value;
+        args[1] = entry->key;
+        grab_map_entry(entry);
+        hres = disp_call_value(ctx, get_object(argv[0]), NULL, DISPATCH_METHOD,
+                               ARRAY_SIZE(args), args, &v);
+        release_map_entry(entry);
+        if(FAILED(hres))
+            return hres;
+        jsval_release(v);
+    }
+
+    if(r) *r = jsval_undefined();
+    return S_OK;
+}
+
 static HRESULT Map_clear(script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv,
         jsval_t *r)
 {
@@ -170,8 +204,6 @@ static HRESULT Map_delete(script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned
 static HRESULT Map_forEach(script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv,
         jsval_t *r)
 {
-    jsval_t callback = argc ? argv[0] : jsval_undefined();
-    struct jsval_map_entry *entry;
     MapInstance *map;
     HRESULT hres;
 
@@ -181,33 +213,7 @@ static HRESULT Map_forEach(script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigne
 
     TRACE("%p (%s)\n", map, debugstr_jsval(argc >= 1 ? argv[0] : jsval_undefined()));
 
-    if(!is_object_instance(callback)) {
-        FIXME("invalid callback %s\n", debugstr_jsval(callback));
-        return E_FAIL;
-    }
-
-    if(argc > 1) {
-        FIXME("Unsupported argument\n");
-        return E_NOTIMPL;
-    }
-
-    LIST_FOR_EACH_ENTRY(entry, &map->entries, struct jsval_map_entry, list_entry) {
-        jsval_t args[2], v;
-        if(entry->deleted)
-            continue;
-        args[0] = entry->value;
-        args[1] = entry->key;
-        grab_map_entry(entry);
-        hres = disp_call_value(ctx, get_object(argv[0]), NULL, DISPATCH_METHOD,
-                               ARRAY_SIZE(args), args, &v);
-        release_map_entry(entry);
-        if(FAILED(hres))
-            return hres;
-        jsval_release(v);
-    }
-
-    if(r) *r = jsval_undefined();
-    return S_OK;
+    return iterate_map(map, ctx, argc, argv, r);
 }
 
 static HRESULT Map_get(script_ctx_t *ctx, jsval_t vthis, WORD flags, unsigned argc, jsval_t *argv,