JavaScriptCore-576.tar.gz

[apple/javascriptcore.git] / API / JSContextRef.cpp

diff --git a/API/JSContextRef.cpp b/API/JSContextRef.cpp
index a3bdc69ab2f24f7a32bed6325992391bfe4db773..2c763387666f0f0127557edc2d62255ba093aaba 100644 (file)
--- a/API/JSContextRef.cpp
+++ b/API/JSContextRef.cpp
@@ -25,6 +25,7 @@
 
 #include "config.h"
 #include "JSContextRef.h"
+#include "JSContextRefPrivate.h"
 
 #include "APICast.h"
 #include "InitializeThreading.h"
@@ -34,7 +35,7 @@
 #include "JSObject.h"
 #include <wtf/Platform.h>
 
-#if PLATFORM(DARWIN)
+#if OS(DARWIN)
 #include <mach-o/dyld.h>
 
 static const int32_t webkitFirstVersionWithConcurrentGlobalContexts = 0x2100500; // 528.5.0
@@ -45,7 +46,7 @@ using namespace JSC;
 JSContextGroupRef JSContextGroupCreate()
 {
     initializeThreading();
-    return toRef(JSGlobalData::create().releaseRef());
+    return toRef(JSGlobalData::createNonDefault().releaseRef());
 }
 
 JSContextGroupRef JSContextGroupRetain(JSContextGroupRef group)
@@ -62,7 +63,7 @@ void JSContextGroupRelease(JSContextGroupRef group)
 JSGlobalContextRef JSGlobalContextCreate(JSClassRef globalObjectClass)
 {
     initializeThreading();
-#if PLATFORM(DARWIN)
+#if OS(DARWIN)
     // When running on Tiger or Leopard, or if the application was linked before JSGlobalContextCreate was changed
     // to use a unique JSGlobalData, we use a shared one for compatibility.
 #if !defined(BUILDING_ON_TIGER) && !defined(BUILDING_ON_LEOPARD)
@@ -70,10 +71,10 @@ JSGlobalContextRef JSGlobalContextCreate(JSClassRef globalObjectClass)
 #else
     {
 #endif
-        JSLock lock(true);
+        JSLock lock(LockForReal);
         return JSGlobalContextCreateInGroup(toRef(&JSGlobalData::sharedInstance()), globalObjectClass);
     }
-#endif // PLATFORM(DARWIN)
+#endif // OS(DARWIN)
 
     return JSGlobalContextCreateInGroup(0, globalObjectClass);
 }
@@ -82,9 +83,10 @@ JSGlobalContextRef JSGlobalContextCreateInGroup(JSContextGroupRef group, JSClass
 {
     initializeThreading();
 
-    JSLock lock(true);
+    JSLock lock(LockForReal);
+    RefPtr<JSGlobalData> globalData = group ? PassRefPtr<JSGlobalData>(toJS(group)) : JSGlobalData::createNonDefault();
 
-    RefPtr<JSGlobalData> globalData = group ? PassRefPtr<JSGlobalData>(toJS(group)) : JSGlobalData::create();
+    APIEntryShim entryShim(globalData.get(), false);
 
 #if ENABLE(JSC_MULTIPLE_THREADS)
     globalData->makeUsableFromMultipleThreads();
@@ -107,12 +109,9 @@ JSGlobalContextRef JSGlobalContextCreateInGroup(JSContextGroupRef group, JSClass
 JSGlobalContextRef JSGlobalContextRetain(JSGlobalContextRef ctx)
 {
     ExecState* exec = toJS(ctx);
-    JSLock lock(exec);
+    APIEntryShim entryShim(exec);
 
     JSGlobalData& globalData = exec->globalData();
-
-    globalData.heap.registerThread();
-
     gcProtect(exec->dynamicGlobalObject());
     globalData.ref();
     return ctx;
@@ -123,25 +122,26 @@ void JSGlobalContextRelease(JSGlobalContextRef ctx)
     ExecState* exec = toJS(ctx);
     JSLock lock(exec);
 
+    JSGlobalData& globalData = exec->globalData();
+    IdentifierTable* savedIdentifierTable = setCurrentIdentifierTable(globalData.identifierTable);
+
     gcUnprotect(exec->dynamicGlobalObject());
 
-    JSGlobalData& globalData = exec->globalData();
     if (globalData.refCount() == 2) { // One reference is held by JSGlobalObject, another added by JSGlobalContextRetain().
         // The last reference was released, this is our last chance to collect.
-        ASSERT(!globalData.heap.protectedObjectCount());
-        ASSERT(!globalData.heap.isBusy());
         globalData.heap.destroy();
     } else
-        globalData.heap.collect();
+        globalData.heap.collectAllGarbage();
 
     globalData.deref();
+
+    setCurrentIdentifierTable(savedIdentifierTable);
 }
 
 JSObjectRef JSContextGetGlobalObject(JSContextRef ctx)
 {
     ExecState* exec = toJS(ctx);
-    exec->globalData().heap.registerThread();
-    JSLock lock(exec);
+    APIEntryShim entryShim(exec);
 
     // It is necessary to call toThisObject to get the wrapper object when used with WebCore.
     return toRef(exec->lexicalGlobalObject()->toThisObject(exec));
@@ -152,3 +152,11 @@ JSContextGroupRef JSContextGetGroup(JSContextRef ctx)
     ExecState* exec = toJS(ctx);
     return toRef(&exec->globalData());
 }
+
+JSGlobalContextRef JSContextGetGlobalContext(JSContextRef ctx)
+{
+    ExecState* exec = toJS(ctx);
+    APIEntryShim entryShim(exec);
+
+    return toGlobalRef(exec->lexicalGlobalObject()->globalExec());
+}