Imported QtWebKit TP3 (git b57bc6801f1876c3220d5a4bfea33d620d477443)

Change-Id: I3b1d8a2808782c9f34d50240000e20cb38d3680f
Reviewed-by: Konstantin Tokarev <annulen@yandex.ru>

1 files changed, 0 insertions, 255 deletions

diff --git a/Source/JavaScriptCore/API/JSVirtualMachine.mm b/Source/JavaScriptCore/API/JSVirtualMachine.mm
deleted file mode 100644
index 6bada34a6..000000000
--- a/Source/JavaScriptCore/API/JSVirtualMachine.mm
+++ /dev/null
@@ -1,255 +0,0 @@
-/*
- * Copyright (C) 2013 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
- */
-
-#include "config.h"
-
-#import "JavaScriptCore.h"
-
-#if JSC_OBJC_API_ENABLED
-
-#import "APICast.h"
-#import "APIShims.h"
-#import "JSVirtualMachine.h"
-#import "JSVirtualMachineInternal.h"
-#import "JSWrapperMap.h"
-
-static NSMapTable *globalWrapperCache = 0;
-
-static Mutex& wrapperCacheLock()
-{
-    DEFINE_STATIC_LOCAL(Mutex, mutex, ());
-    return mutex;
-}
-
-static void initWrapperCache()
-{
-    ASSERT(!globalWrapperCache);
-    NSPointerFunctionsOptions keyOptions = NSPointerFunctionsOpaqueMemory | NSPointerFunctionsOpaquePersonality;
-    NSPointerFunctionsOptions valueOptions = NSPointerFunctionsWeakMemory | NSPointerFunctionsObjectPersonality;
-    globalWrapperCache = [[NSMapTable alloc] initWithKeyOptions:keyOptions valueOptions:valueOptions capacity:0];
-}
-
-static NSMapTable *wrapperCache()
-{
-    if (!globalWrapperCache)
-        initWrapperCache();
-    return globalWrapperCache;
-}
-
-@interface JSVMWrapperCache : NSObject
-+ (void)addWrapper:(JSVirtualMachine *)wrapper forJSContextGroupRef:(JSContextGroupRef)group;
-+ (JSVirtualMachine *)wrapperForJSContextGroupRef:(JSContextGroupRef)group;
-@end
-
-@implementation JSVMWrapperCache
-
-+ (void)addWrapper:(JSVirtualMachine *)wrapper forJSContextGroupRef:(JSContextGroupRef)group
-{
-    MutexLocker locker(wrapperCacheLock());
-    NSMapInsert(wrapperCache(), group, wrapper);
-}
-
-+ (JSVirtualMachine *)wrapperForJSContextGroupRef:(JSContextGroupRef)group
-{
-    MutexLocker locker(wrapperCacheLock());
-    return static_cast<JSVirtualMachine *>(NSMapGet(wrapperCache(), group));
-}
-
-@end
-
-@implementation JSVirtualMachine {
-    JSContextGroupRef m_group;
-    NSMapTable *m_contextCache;
-    NSMapTable *m_externalObjectGraph;
-}
-
-- (id)init
-{
-    JSContextGroupRef group = JSContextGroupCreate();
-    self = [self initWithContextGroupRef:group];
-    // The extra JSContextGroupRetain is balanced here.
-    JSContextGroupRelease(group);
-    return self;
-}
-
-- (id)initWithContextGroupRef:(JSContextGroupRef)group
-{
-    self = [super init];
-    if (!self)
-        return nil;
-    
-    m_group = JSContextGroupRetain(group);
-    
-    NSPointerFunctionsOptions keyOptions = NSPointerFunctionsOpaqueMemory | NSPointerFunctionsOpaquePersonality;
-    NSPointerFunctionsOptions valueOptions = NSPointerFunctionsWeakMemory | NSPointerFunctionsObjectPersonality;
-    m_contextCache = [[NSMapTable alloc] initWithKeyOptions:keyOptions valueOptions:valueOptions capacity:0];
-    
-    NSPointerFunctionsOptions weakIDOptions = NSPointerFunctionsWeakMemory | NSPointerFunctionsObjectPersonality;
-    NSPointerFunctionsOptions strongIDOptions = NSPointerFunctionsStrongMemory | NSPointerFunctionsObjectPersonality;
-    m_externalObjectGraph = [[NSMapTable alloc] initWithKeyOptions:weakIDOptions valueOptions:strongIDOptions capacity:0];
-   
-    [JSVMWrapperCache addWrapper:self forJSContextGroupRef:group];
- 
-    return self;
-}
-
-- (void)dealloc
-{
-    JSContextGroupRelease(m_group);
-    [m_contextCache release];
-    [m_externalObjectGraph release];
-    [super dealloc];
-}
-
-static id getInternalObjcObject(id object)
-{
-    if ([object isKindOfClass:[JSManagedValue class]]) {
-        JSValue* value = [static_cast<JSManagedValue *>(object) value];
-        id temp = tryUnwrapObjcObject([value.context JSGlobalContextRef], [value JSValueRef]);
-        if (temp)
-            return temp;
-        return object;
-    }
-    
-    if ([object isKindOfClass:[JSValue class]]) {
-        JSValue *value = static_cast<JSValue *>(object);
-        object = tryUnwrapObjcObject([value.context JSGlobalContextRef], [value JSValueRef]);
-    }
-
-    return object;
-}
-
-- (void)addManagedReference:(id)object withOwner:(id)owner
-{    
-    object = getInternalObjcObject(object);
-    owner = getInternalObjcObject(owner);
-    
-    if (!object || !owner)
-        return;
-    
-    JSC::APIEntryShim shim(toJS(m_group));
-    
-    NSMapTable *ownedObjects = [m_externalObjectGraph objectForKey:owner];
-    if (!ownedObjects) {
-        NSPointerFunctionsOptions weakIDOptions = NSPointerFunctionsWeakMemory | NSPointerFunctionsObjectPersonality;
-        NSPointerFunctionsOptions integerOptions = NSPointerFunctionsOpaqueMemory | NSPointerFunctionsIntegerPersonality;
-        ownedObjects = [[NSMapTable alloc] initWithKeyOptions:weakIDOptions valueOptions:integerOptions capacity:1];
-
-        [m_externalObjectGraph setObject:ownedObjects forKey:owner];
-        [ownedObjects release];
-    }
-    NSMapInsert(ownedObjects, object, reinterpret_cast<void*>(reinterpret_cast<size_t>(NSMapGet(ownedObjects, object)) + 1));
-}
-
-- (void)removeManagedReference:(id)object withOwner:(id)owner
-{
-    object = getInternalObjcObject(object);
-    owner = getInternalObjcObject(owner);
-    
-    if (!object || !owner)
-        return;
-    
-    JSC::APIEntryShim shim(toJS(m_group));
-    
-    NSMapTable *ownedObjects = [m_externalObjectGraph objectForKey:owner];
-    if (!ownedObjects)
-        return;
-   
-    size_t count = reinterpret_cast<size_t>(NSMapGet(ownedObjects, object));
-    if (count > 1) {
-        NSMapInsert(ownedObjects, object, reinterpret_cast<void*>(count - 1));
-        return;
-    }
-    
-    if (count == 1)
-        NSMapRemove(ownedObjects, object);
-
-    if (![ownedObjects count])
-        [m_externalObjectGraph removeObjectForKey:owner];
-}
-
-@end
-
-@implementation JSVirtualMachine(Internal)
-
-JSContextGroupRef getGroupFromVirtualMachine(JSVirtualMachine *virtualMachine)
-{
-    return virtualMachine->m_group;
-}
-
-+ (JSVirtualMachine *)virtualMachineWithContextGroupRef:(JSContextGroupRef)group
-{
-    JSVirtualMachine *virtualMachine = [JSVMWrapperCache wrapperForJSContextGroupRef:group];
-    if (!virtualMachine)
-        virtualMachine = [[[JSVirtualMachine alloc] initWithContextGroupRef:group] autorelease];
-    return virtualMachine;
-}
-
-- (JSContext *)contextForGlobalContextRef:(JSGlobalContextRef)globalContext
-{
-    return static_cast<JSContext *>(NSMapGet(m_contextCache, globalContext));
-}
-
-- (void)addContext:(JSContext *)wrapper forGlobalContextRef:(JSGlobalContextRef)globalContext
-{
-    NSMapInsert(m_contextCache, globalContext, wrapper);
-}
-
-- (NSMapTable *)externalObjectGraph
-{
-    return m_externalObjectGraph;
-}
-
-@end
-
-void scanExternalObjectGraph(JSC::VM& vm, JSC::SlotVisitor& visitor, void* root)
-{
-    @autoreleasepool {
-        JSVirtualMachine *virtualMachine = [JSVMWrapperCache wrapperForJSContextGroupRef:toRef(&vm)];
-        if (!virtualMachine)
-            return;
-        NSMapTable *externalObjectGraph = [virtualMachine externalObjectGraph];
-        Vector<void*> stack;
-        stack.append(root);
-        while (!stack.isEmpty()) {
-            void* nextRoot = stack.last();
-            stack.removeLast();
-            if (visitor.containsOpaqueRootTriState(nextRoot) == TrueTriState)
-                continue;
-            visitor.addOpaqueRoot(nextRoot);
-            
-            NSMapTable *ownedObjects = [externalObjectGraph objectForKey:static_cast<id>(nextRoot)];
-            id ownedObject;
-            NSEnumerator *enumerator = [ownedObjects keyEnumerator];
-            while ((ownedObject = [enumerator nextObject])) {
-                ASSERT(reinterpret_cast<size_t>(NSMapGet(ownedObjects, ownedObject)) == 1);
-                stack.append(static_cast<void*>(ownedObject));
-            }
-        }
-    }
-}
-
-#endif
-