Make all global private symbols own symbols.

R=arv@chromium.org, rossberg@chromium.org, wingo@igalia.com, yangguo@chromium.org

Review URL: https://codereview.chromium.org/486763002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23252 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/array-iterator.js

@@ -50,7 +50,7 @@ function ArrayIteratorIterator() {
 function ArrayIteratorNext() {
   var iterator = ToObject(this);
 
-  if (!HAS_PRIVATE(iterator, arrayIteratorObjectSymbol)) {
+  if (!HAS_DEFINED_PRIVATE(iterator, arrayIteratorNextIndexSymbol)) {
     throw MakeTypeError('incompatible_method_receiver',
                         ['Array Iterator.prototype.next']);
   }

src/macros.py

@@ -170,10 +170,11 @@ macro JSON_NUMBER_TO_STRING(arg) = ((%_IsSmi(%IS_VAR(arg)) || arg - arg == 0) ?
 # Private names.
 # GET_PRIVATE should only be used if the property is known to exists on obj
 # itself (it should really use %GetOwnProperty, but that would be way slower).
-macro GLOBAL_PRIVATE(name) = (%CreateGlobalPrivateSymbol(name));
+macro GLOBAL_PRIVATE(name) = (%CreateGlobalPrivateOwnSymbol(name));
 macro NEW_PRIVATE(name) = (%CreatePrivateSymbol(name));
 macro IS_PRIVATE(sym) = (%SymbolIsPrivate(sym));
 macro HAS_PRIVATE(obj, sym) = (%HasOwnProperty(obj, sym));
+macro HAS_DEFINED_PRIVATE(obj, sym) = (!IS_UNDEFINED(obj[sym]));
 macro GET_PRIVATE(obj, sym) = (obj[sym]);
 macro SET_PRIVATE(obj, sym, val) = (obj[sym] = val);
 macro DELETE_PRIVATE(obj, sym) = (delete obj[sym]);

src/promise.js

@@ -146,7 +146,7 @@ var lastMicrotaskId = 0;
   // For bootstrapper.
 
   IsPromise = function IsPromise(x) {
-    return IS_SPEC_OBJECT(x) && HAS_PRIVATE(x, promiseStatus);
+    return IS_SPEC_OBJECT(x) && HAS_DEFINED_PRIVATE(x, promiseStatus);
   }
 
   PromiseCreate = function PromiseCreate() {
@@ -162,7 +162,7 @@ var lastMicrotaskId = 0;
     // Check promiseDebug property to avoid duplicate event.
     if (DEBUG_IS_ACTIVE &&
         GET_PRIVATE(promise, promiseStatus) == 0 &&
-        !HAS_PRIVATE(promise, promiseDebug)) {
+        !HAS_DEFINED_PRIVATE(promise, promiseDebug)) {
       %DebugPromiseRejectEvent(promise, r);
     }
     PromiseDone(promise, -1, r, promiseOnReject)

src/runtime.cc

@@ -619,7 +619,7 @@ RUNTIME_FUNCTION(Runtime_CreatePrivateOwnSymbol) {
 }
 
 
-RUNTIME_FUNCTION(Runtime_CreateGlobalPrivateSymbol) {
+RUNTIME_FUNCTION(Runtime_CreateGlobalPrivateOwnSymbol) {
   HandleScope scope(isolate);
   DCHECK(args.length() == 1);
   CONVERT_ARG_HANDLE_CHECKED(String, name, 0);
@@ -635,6 +635,7 @@ RUNTIME_FUNCTION(Runtime_CreateGlobalPrivateSymbol) {
     DCHECK(symbol->IsUndefined());
     symbol = isolate->factory()->NewPrivateSymbol();
     Handle<Symbol>::cast(symbol)->set_name(*name);
+    Handle<Symbol>::cast(symbol)->set_is_own(true);
     JSObject::SetProperty(Handle<JSObject>::cast(privates), name, symbol,
                           STRICT).Assert();
   }

src/runtime.h

@@ -259,7 +259,7 @@ namespace internal {
   /* Harmony symbols */                                               \
   F(CreateSymbol, 1, 1)                                               \
   F(CreatePrivateSymbol, 1, 1)                                        \
-  F(CreateGlobalPrivateSymbol, 1, 1)                                  \
+  F(CreateGlobalPrivateOwnSymbol, 1, 1)                               \
   F(CreatePrivateOwnSymbol, 1, 1)                                     \
   F(NewSymbolWrapper, 1, 1)                                           \
   F(SymbolDescription, 1, 1)                                          \

src/string-iterator.js

@@ -38,7 +38,7 @@ function StringIteratorIterator() {
 function StringIteratorNext() {
   var iterator = ToObject(this);
 
-  if (!HAS_PRIVATE(iterator, stringIteratorIteratedStringSymbol)) {
+  if (!HAS_DEFINED_PRIVATE(iterator, stringIteratorNextIndexSymbol)) {
     throw MakeTypeError('incompatible_method_receiver',
                         ['String Iterator.prototype.next']);
   }
@@ -52,7 +52,8 @@ function StringIteratorNext() {
   var length = TO_UINT32(s.length);
 
   if (position >= length) {
-    SET_PRIVATE(iterator, stringIteratorIteratedStringSymbol, UNDEFINED);
+    SET_PRIVATE(iterator, stringIteratorIteratedStringSymbol,
+                UNDEFINED);
     return CreateIteratorResultObject(UNDEFINED, true);
   }
 

test/mjsunit/runtime-gen/createglobalprivatesymbol.js → test/mjsunit/runtime-gen/createglobalprivateownsymbol.js

@@ -2,4 +2,4 @@
 // AUTO-GENERATED BY tools/generate-runtime-tests.py, DO NOT MODIFY
 // Flags: --allow-natives-syntax --harmony --harmony-proxies
 var _name = "foo";
-%CreateGlobalPrivateSymbol(_name);
+%CreateGlobalPrivateOwnSymbol(_name);