Wrap proxy.js in a function.

Review URL: https://codereview.chromium.org/1075773003

Cr-Commit-Position: refs/heads/master@{#27746}

src/bootstrapper.cc

@@ -1572,10 +1572,10 @@ void Genesis::InstallNativeFunctions() {
 
 void Genesis::InstallExperimentalNativeFunctions() {
   if (FLAG_harmony_proxies) {
-    INSTALL_NATIVE(JSFunction, "DerivedHasTrap", derived_has_trap);
-    INSTALL_NATIVE(JSFunction, "DerivedGetTrap", derived_get_trap);
-    INSTALL_NATIVE(JSFunction, "DerivedSetTrap", derived_set_trap);
-    INSTALL_NATIVE(JSFunction, "ProxyEnumerate", proxy_enumerate);
+    INSTALL_NATIVE(JSFunction, "$proxyDerivedHasTrap", derived_has_trap);
+    INSTALL_NATIVE(JSFunction, "$proxyDerivedGetTrap", derived_get_trap);
+    INSTALL_NATIVE(JSFunction, "$proxyDerivedSetTrap", derived_set_trap);
+    INSTALL_NATIVE(JSFunction, "$proxyEnumerate", proxy_enumerate);
   }
 
 #define INSTALL_NATIVE_FUNCTIONS_FOR(id, descr) InstallNativeFunctions_##id();
@@ -1662,10 +1662,10 @@ EMPTY_NATIVE_FUNCTIONS_FOR_FEATURE(harmony_spreadcalls)
 
 void Genesis::InstallNativeFunctions_harmony_proxies() {
   if (FLAG_harmony_proxies) {
-    INSTALL_NATIVE(JSFunction, "DerivedHasTrap", derived_has_trap);
-    INSTALL_NATIVE(JSFunction, "DerivedGetTrap", derived_get_trap);
-    INSTALL_NATIVE(JSFunction, "DerivedSetTrap", derived_set_trap);
-    INSTALL_NATIVE(JSFunction, "ProxyEnumerate", proxy_enumerate);
+    INSTALL_NATIVE(JSFunction, "$proxyDerivedHasTrap", derived_has_trap);
+    INSTALL_NATIVE(JSFunction, "$proxyDerivedGetTrap", derived_get_trap);
+    INSTALL_NATIVE(JSFunction, "$proxyDerivedSetTrap", derived_set_trap);
+    INSTALL_NATIVE(JSFunction, "$proxyEnumerate", proxy_enumerate);
   }
 }
 

src/proxy.js

@@ -2,13 +2,21 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+var $proxyDelegateCallAndConstruct;
+var $proxyDerivedGetTrap;
+var $proxyDerivedHasTrap;
+var $proxyDerivedHasOwnTrap;
+var $proxyDerivedKeysTrap;
+var $proxyDerivedSetTrap;
+var $proxyEnumerate;
+
+(function() {
+
 "use strict";
 
-// This file relies on the fact that the following declaration has been made
-// in runtime.js:
-// var $Object = global.Object;
+%CheckIsBootstrapping();
 
-var $Proxy = new $Object();
+var GlobalObject = global.Object;
 
 // -------------------------------------------------------------------
 
@@ -43,25 +51,6 @@ function ProxyCreateFunction(handler, callTrap, constructTrap) {
     handler, callTrap, constructTrap, $Function.prototype)
 }
 
-
-// -------------------------------------------------------------------
-
-function SetUpProxy() {
-  %CheckIsBootstrapping()
-
-  var global_proxy = %GlobalProxy(global);
-  global_proxy.Proxy = $Proxy;
-
-  // Set up non-enumerable properties of the Proxy object.
-  InstallFunctions($Proxy, DONT_ENUM, [
-    "create", ProxyCreate,
-    "createFunction", ProxyCreateFunction
-  ])
-}
-
-SetUpProxy();
-
-
 // -------------------------------------------------------------------
 // Proxy Builtins
 
@@ -189,3 +178,24 @@ function ProxyEnumerate(proxy) {
     return ToNameArray(handler.enumerate(), "enumerate", false)
   }
 }
+
+//-------------------------------------------------------------------
+
+var Proxy = new GlobalObject();
+%AddNamedProperty(global, "Proxy", Proxy, DONT_ENUM);
+
+//Set up non-enumerable properties of the Proxy object.
+InstallFunctions(Proxy, DONT_ENUM, [
+  "create", ProxyCreate,
+  "createFunction", ProxyCreateFunction
+])
+
+$proxyDelegateCallAndConstruct = DelegateCallAndConstruct;
+$proxyDerivedGetTrap = DerivedGetTrap;
+$proxyDerivedHasTrap = DerivedHasTrap;
+$proxyDerivedHasOwnTrap = DerivedHasOwnTrap;
+$proxyDerivedKeysTrap = DerivedKeysTrap;
+$proxyDerivedSetTrap = DerivedSetTrap;
+$proxyEnumerate = ProxyEnumerate;
+
+})();

src/v8natives.js

@@ -266,7 +266,7 @@ function ObjectHasOwnProperty(V) {
     if (IS_SYMBOL(V)) return false;
 
     var handler = %GetHandler(this);
-    return CallTrap1(handler, "hasOwn", DerivedHasOwnTrap, ToName(V));
+    return CallTrap1(handler, "hasOwn", $proxyDerivedHasOwnTrap, ToName(V));
   }
   return %HasOwnProperty(TO_OBJECT_INLINE(this), ToName(V));
 }
@@ -351,7 +351,7 @@ function ObjectKeys(obj) {
   obj = TO_OBJECT_INLINE(obj);
   if (%_IsJSProxy(obj)) {
     var handler = %GetHandler(obj);
-    var names = CallTrap0(handler, "keys", DerivedKeysTrap);
+    var names = CallTrap0(handler, "keys", $proxyDerivedKeysTrap);
     return ToNameArray(names, "keys", false);
   }
   return %OwnKeys(obj);
@@ -1238,7 +1238,7 @@ function ProxyFix(obj) {
   if (%IsJSFunctionProxy(obj)) {
     var callTrap = %GetCallTrap(obj);
     var constructTrap = %GetConstructTrap(obj);
-    var code = DelegateCallAndConstruct(callTrap, constructTrap);
+    var code = $proxyDelegateCallAndConstruct(callTrap, constructTrap);
     %Fix(obj);  // becomes a regular function
     %SetCode(obj, code);
     // TODO(rossberg): What about length and other properties? Not specified.