1 files changed, 0 insertions, 234 deletions
diff --git a/Source/JavaScriptCore/runtime/JSActivation.cpp b/Source/JavaScriptCore/runtime/JSActivation.cpp
deleted file mode 100644
index 72ed1c712..000000000
--- a/Source/JavaScriptCore/runtime/JSActivation.cpp
+++ /dev/null
@@ -1,234 +0,0 @@
-/*
- * Copyright (C) 2008, 2009 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.
- * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
- *     its contributors may be used to endorse or promote products derived
- *     from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "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 OR ITS 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"
-#include "JSActivation.h"
-
-#include "Arguments.h"
-#include "Interpreter.h"
-#include "JSFunction.h"
-#include "Operations.h"
-
-using namespace std;
-
-namespace JSC {
-
-const ClassInfo JSActivation::s_info = { "JSActivation", &Base::s_info, 0, 0, CREATE_METHOD_TABLE(JSActivation) };
-
-void JSActivation::visitChildren(JSCell* cell, SlotVisitor& visitor)
-{
-    JSActivation* thisObject = jsCast<JSActivation*>(cell);
-    ASSERT_GC_OBJECT_INHERITS(thisObject, info());
-    COMPILE_ASSERT(StructureFlags & OverridesVisitChildren, OverridesVisitChildrenWithoutSettingFlag);
-    ASSERT(thisObject->structure()->typeInfo().overridesVisitChildren());
-    Base::visitChildren(thisObject, visitor);
-
-    // No need to mark our registers if they're still in the JSStack.
-    if (!thisObject->isTornOff())
-        return;
-
-    for (int i = 0; i < thisObject->symbolTable()->captureCount(); ++i)
-        visitor.append(&thisObject->storage()[i]);
-}
-
-inline bool JSActivation::symbolTableGet(PropertyName propertyName, PropertySlot& slot)
-{
-    SymbolTableEntry entry = symbolTable()->inlineGet(propertyName.publicName());
-    if (entry.isNull())
-        return false;
-
-    // Defend against the inspector asking for a var after it has been optimized out.
-    if (isTornOff() && !isValid(entry))
-        return false;
-
-    slot.setValue(this, DontEnum, registerAt(entry.getIndex()).get());
-    return true;
-}
-
-inline bool JSActivation::symbolTableGet(PropertyName propertyName, PropertyDescriptor& descriptor)
-{
-    SymbolTableEntry entry = symbolTable()->inlineGet(propertyName.publicName());
-    if (entry.isNull())
-        return false;
-
-    // Defend against the inspector asking for a var after it has been optimized out.
-    if (isTornOff() && !isValid(entry))
-        return false;
-
-    descriptor.setDescriptor(registerAt(entry.getIndex()).get(), entry.getAttributes());
-    return true;
-}
-
-inline bool JSActivation::symbolTablePut(ExecState* exec, PropertyName propertyName, JSValue value, bool shouldThrow)
-{
-    VM& vm = exec->vm();
-    ASSERT(!Heap::heap(value) || Heap::heap(value) == Heap::heap(this));
-    
-    SymbolTableEntry entry = symbolTable()->inlineGet(propertyName.publicName());
-    if (entry.isNull())
-        return false;
-    if (entry.isReadOnly()) {
-        if (shouldThrow)
-            throwTypeError(exec, StrictModeReadonlyPropertyWriteError);
-        return true;
-    }
-
-    // Defend against the inspector asking for a var after it has been optimized out.
-    if (isTornOff() && !isValid(entry))
-        return false;
-
-    registerAt(entry.getIndex()).set(vm, this, value);
-    return true;
-}
-
-void JSActivation::getOwnNonIndexPropertyNames(JSObject* object, ExecState* exec, PropertyNameArray& propertyNames, EnumerationMode mode)
-{
-    JSActivation* thisObject = jsCast<JSActivation*>(object);
-
-    CallFrame* callFrame = CallFrame::create(reinterpret_cast<Register*>(thisObject->m_registers));
-    if (mode == IncludeDontEnumProperties && !thisObject->isTornOff() && (callFrame->codeBlock()->usesArguments() || callFrame->codeBlock()->usesEval()))
-        propertyNames.add(exec->propertyNames().arguments);
-
-    {
-        ConcurrentJITLocker locker(thisObject->symbolTable()->m_lock);
-        SymbolTable::Map::iterator end = thisObject->symbolTable()->end(locker);
-        for (SymbolTable::Map::iterator it = thisObject->symbolTable()->begin(locker); it != end; ++it) {
-            if (it->value.getAttributes() & DontEnum && mode != IncludeDontEnumProperties)
-                continue;
-            if (!thisObject->isValid(it->value))
-                continue;
-            propertyNames.add(Identifier(exec, it->key.get()));
-        }
-    }
-    // Skip the JSVariableObject implementation of getOwnNonIndexPropertyNames
-    JSObject::getOwnNonIndexPropertyNames(thisObject, exec, propertyNames, mode);
-}
-
-inline bool JSActivation::symbolTablePutWithAttributes(VM& vm, PropertyName propertyName, JSValue value, unsigned attributes)
-{
-    ASSERT(!Heap::heap(value) || Heap::heap(value) == Heap::heap(this));
-    
-    WriteBarrierBase<Unknown>* reg;
-    {
-        ConcurrentJITLocker locker(symbolTable()->m_lock);
-        SymbolTable::Map::iterator iter = symbolTable()->find(locker, propertyName.publicName());
-        if (iter == symbolTable()->end(locker))
-            return false;
-        SymbolTableEntry& entry = iter->value;
-        ASSERT(!entry.isNull());
-        if (!isValid(entry))
-            return false;
-        
-        entry.setAttributes(attributes);
-        reg = &registerAt(entry.getIndex());
-    }
-    reg->set(vm, this, value);
-    return true;
-}
-
-bool JSActivation::getOwnPropertySlot(JSObject* object, ExecState* exec, PropertyName propertyName, PropertySlot& slot)
-{
-    JSActivation* thisObject = jsCast<JSActivation*>(object);
-
-    if (propertyName == exec->propertyNames().arguments) {
-        // Defend against the inspector asking for the arguments object after it has been optimized out.
-        CallFrame* callFrame = CallFrame::create(reinterpret_cast<Register*>(thisObject->m_registers));
-        if (!thisObject->isTornOff() && (callFrame->codeBlock()->usesArguments() || callFrame->codeBlock()->usesEval())) {
-            slot.setCustom(thisObject, DontEnum, argumentsGetter);
-            return true;
-        }
-    }
-
-    if (thisObject->symbolTableGet(propertyName, slot))
-        return true;
-
-    unsigned attributes;
-    if (JSValue value = thisObject->getDirect(exec->vm(), propertyName, attributes)) {
-        slot.setValue(thisObject, attributes, value);
-        return true;
-    }
-
-    // We don't call through to JSObject because there's no way to give an 
-    // activation object getter properties or a prototype.
-    ASSERT(!thisObject->hasGetterSetterProperties());
-    ASSERT(thisObject->prototype().isNull());
-    return false;
-}
-
-void JSActivation::put(JSCell* cell, ExecState* exec, PropertyName propertyName, JSValue value, PutPropertySlot& slot)
-{
-    JSActivation* thisObject = jsCast<JSActivation*>(cell);
-    ASSERT(!Heap::heap(value) || Heap::heap(value) == Heap::heap(thisObject));
-
-    if (thisObject->symbolTablePut(exec, propertyName, value, slot.isStrictMode()))
-        return;
-
-    // We don't call through to JSObject because __proto__ and getter/setter 
-    // properties are non-standard extensions that other implementations do not
-    // expose in the activation object.
-    ASSERT(!thisObject->hasGetterSetterProperties());
-    thisObject->putOwnDataProperty(exec->vm(), propertyName, value, slot);
-}
-
-bool JSActivation::deleteProperty(JSCell* cell, ExecState* exec, PropertyName propertyName)
-{
-    if (propertyName == exec->propertyNames().arguments)
-        return false;
-
-    return Base::deleteProperty(cell, exec, propertyName);
-}
-
-JSValue JSActivation::toThis(JSCell*, ExecState* exec, ECMAMode ecmaMode)
-{
-    if (ecmaMode == StrictMode)
-        return jsUndefined();
-    return exec->globalThisValue();
-}
-
-EncodedJSValue JSActivation::argumentsGetter(ExecState*, EncodedJSValue slotBase, EncodedJSValue, PropertyName)
-{
-    JSActivation* activation = jsCast<JSActivation*>(JSValue::decode(slotBase));
-    CallFrame* callFrame = CallFrame::create(reinterpret_cast<Register*>(activation->m_registers));
-    ASSERT(!activation->isTornOff() && (callFrame->codeBlock()->usesArguments() || callFrame->codeBlock()->usesEval()));
-    if (activation->isTornOff() || !(callFrame->codeBlock()->usesArguments() || callFrame->codeBlock()->usesEval()))
-        return JSValue::encode(jsUndefined());
-
-    VirtualRegister argumentsRegister = callFrame->codeBlock()->argumentsRegister();
-    if (JSValue arguments = callFrame->uncheckedR(argumentsRegister.offset()).jsValue())
-        return JSValue::encode(arguments);
-    int realArgumentsRegister = unmodifiedArgumentsRegister(argumentsRegister).offset();
-
-    JSValue arguments = JSValue(Arguments::create(callFrame->vm(), callFrame));
-    callFrame->uncheckedR(argumentsRegister.offset()) = arguments;
-    callFrame->uncheckedR(realArgumentsRegister) = arguments;
-    
-    ASSERT(callFrame->uncheckedR(realArgumentsRegister).jsValue().inherits(Arguments::info()));
-    return JSValue::encode(callFrame->uncheckedR(realArgumentsRegister).jsValue());
-}
-
-} // namespace JSC