Expose Map/Set methods through the API

src/runtime/runtime-collections.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/v8.h"
 
 #include "src/arguments.h"
 #include "src/runtime/runtime-utils.h"
 
 
@@ skipping 64 matching lines @@
   HandleScope scope(isolate);
   DCHECK(args.length() == 1);
   CONVERT_ARG_HANDLE_CHECKED(JSSet, holder, 0);
   Handle<OrderedHashSet> table(OrderedHashSet::cast(holder->table()));
   table = OrderedHashSet::Shrink(table);
   holder->set_table(*table);
   return isolate->heap()->undefined_value();
 }
 
 
+void Runtime::JSSetClear(Isolate* isolate, Handle<JSSet> set) {
+  Handle<OrderedHashSet> table(OrderedHashSet::cast(set->table()));
+  table = OrderedHashSet::Clear(table);
+  set->set_table(*table);
+}
+
+
 RUNTIME_FUNCTION(Runtime_SetClear) {
   HandleScope scope(isolate);
   DCHECK(args.length() == 1);
   CONVERT_ARG_HANDLE_CHECKED(JSSet, holder, 0);
-  Handle<OrderedHashSet> table(OrderedHashSet::cast(holder->table()));
-  table = OrderedHashSet::Clear(table);
-  holder->set_table(*table);
+  Runtime::JSSetClear(isolate, holder);
   return isolate->heap()->undefined_value();
 }
 
 
 RUNTIME_FUNCTION(Runtime_SetIteratorInitialize) {
   HandleScope scope(isolate);
   DCHECK(args.length() == 3);
   CONVERT_ARG_HANDLE_CHECKED(JSSetIterator, holder, 0);
   CONVERT_ARG_HANDLE_CHECKED(JSSet, set, 1);
   CONVERT_SMI_ARG_CHECKED(kind, 2)
@@ skipping 65 matching lines @@
   HandleScope scope(isolate);
   DCHECK(args.length() == 1);
   CONVERT_ARG_HANDLE_CHECKED(JSMap, holder, 0);
   Handle<OrderedHashMap> table(OrderedHashMap::cast(holder->table()));
   table = OrderedHashMap::Shrink(table);
   holder->set_table(*table);
   return isolate->heap()->undefined_value();
 }
 
 
+void Runtime::JSMapClear(Isolate* isolate, Handle<JSMap> map) {
+  Handle<OrderedHashMap> table(OrderedHashMap::cast(map->table()));
+  table = OrderedHashMap::Clear(table);
+  map->set_table(*table);
+}
+
+
 RUNTIME_FUNCTION(Runtime_MapClear) {
   HandleScope scope(isolate);
   DCHECK(args.length() == 1);
   CONVERT_ARG_HANDLE_CHECKED(JSMap, holder, 0);
-  Handle<OrderedHashMap> table(OrderedHashMap::cast(holder->table()));
-  table = OrderedHashMap::Clear(table);
-  holder->set_table(*table);
+  Runtime::JSMapClear(isolate, holder);
   return isolate->heap()->undefined_value();
 }
 
 
 RUNTIME_FUNCTION(Runtime_MapGrow) {
   HandleScope scope(isolate);
   DCHECK(args.length() == 1);
   CONVERT_ARG_HANDLE_CHECKED(JSMap, holder, 0);
   Handle<OrderedHashMap> table(OrderedHashMap::cast(holder->table()));
   table = OrderedHashMap::EnsureGrowable(table);
@@ skipping 245 matching lines @@
 
 RUNTIME_FUNCTION(Runtime_ObservationWeakMapCreate) {
   HandleScope scope(isolate);
   DCHECK(args.length() == 0);
   Handle<JSWeakMap> weakmap = isolate->factory()->NewJSWeakMap();
   Runtime::WeakCollectionInitialize(isolate, weakmap);
   return *weakmap;
 }
 }  // namespace internal
 }  // namespace v8