[runtime] [proxy] Implementing [[Call]]

src/factory.cc

Index: src/factory.cc
diff --git a/src/factory.cc b/src/factory.cc
index 7c215c865ff02e140bdf1808258f6d0ecf061e77..f2dcc471fb085a3d30671c439fb7ac85f091b190 100644
--- a/src/factory.cc
+++ b/src/factory.cc
@@ -1206,13 +1206,14 @@ Handle<JSFunction> Factory::NewFunction(Handle<Map> map,
   Handle<Context> context(isolate()->native_context());
   Handle<SharedFunctionInfo> info =
       NewSharedFunctionInfo(name, code, map->is_constructor());
-  DCHECK(is_sloppy(info->language_mode()) &&
-         (map.is_identical_to(isolate()->sloppy_function_map()) ||
-          map.is_identical_to(
-              isolate()->sloppy_function_without_prototype_map()) ||
-          map.is_identical_to(
-              isolate()->sloppy_function_with_readonly_prototype_map()) ||
-          map.is_identical_to(isolate()->strict_function_map())));
+  DCHECK(is_sloppy(info->language_mode()));
+  DCHECK(
+      map.is_identical_to(isolate()->sloppy_function_map()) ||
+      map.is_identical_to(isolate()->sloppy_function_without_prototype_map()) ||
+      map.is_identical_to(
+          isolate()->sloppy_function_with_readonly_prototype_map()) ||
+      map.is_identical_to(isolate()->strict_function_map()) ||
+      map.is_identical_to(isolate()->proxy_function_map()));
   return NewFunction(map, info, context);
 }
 
@@ -1941,7 +1942,16 @@ Handle<JSDataView> Factory::NewJSDataView(Handle<JSArrayBuffer> buffer,
 Handle<JSProxy> Factory::NewJSProxy(Handle<JSReceiver> target,
                                     Handle<JSReceiver> handler) {
   // Allocate the proxy object.
-  Handle<Map> map(isolate()->proxy_function()->initial_map());
+  Handle<Map> map;
+  if (target->IsCallable()) {
+    if (target->IsConstructor()) {
+      map = Handle<Map>(isolate()->proxy_constructor_map());
+    } else {
+      map = Handle<Map>(isolate()->proxy_callable_map());
+    }
+  } else {
+    map = Handle<Map>(isolate()->proxy_map());
+  }
   DCHECK(map->prototype()->IsNull());
   Handle<JSProxy> result = New<JSProxy>(map, NEW_SPACE);
   result->set_target(*target);