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

src/factory.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/factory.h"
 
 #include "src/allocation-site-scopes.h"
 #include "src/base/bits.h"
 #include "src/bootstrapper.h"
 #include "src/conversions.h"
@@ skipping 1188 matching lines @@
   return function;
 }
 
 
 Handle<JSFunction> Factory::NewFunction(Handle<Map> map,
                                         Handle<String> name,
                                         MaybeHandle<Code> code) {
   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);
 }
 
 
 Handle<JSFunction> Factory::NewFunction(Handle<String> name) {
   return NewFunction(
       isolate()->sloppy_function_map(), name, MaybeHandle<Code>());
 }
 
 
@@ skipping 708 matching lines @@
                                           size_t byte_length) {
   Handle<JSDataView> obj = NewJSDataView();
   SetupArrayBufferView(isolate(), obj, buffer, byte_offset, byte_length);
   return obj;
 }
 
 
 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);
   result->set_handler(*handler);
   result->set_hash(*undefined_value(), SKIP_WRITE_BARRIER);
   return result;
 }
 
 
 Handle<JSGlobalProxy> Factory::NewUninitializedJSGlobalProxy() {
@@ skipping 354 matching lines @@
 }
 
 
 Handle<Object> Factory::ToBoolean(bool value) {
   return value ? true_value() : false_value();
 }
 
 
 }  // namespace internal
 }  // namespace v8