1 files changed, 0 insertions, 185 deletions
diff --git a/Source/JavaScriptCore/runtime/JSLexicalEnvironment.cpp b/Source/JavaScriptCore/runtime/JSLexicalEnvironment.cpp
deleted file mode 100644
index 47a81b5f3..000000000
--- a/Source/JavaScriptCore/runtime/JSLexicalEnvironment.cpp
+++ /dev/null
@@ -1,185 +0,0 @@
-/*
- * Copyright (C) 2008, 2009, 2014, 2015 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 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 "JSLexicalEnvironment.h"
-
-#include "Interpreter.h"
-#include "JSFunction.h"
-#include "JSCInlines.h"
-
-using namespace std;
-
-namespace JSC {
-
-const ClassInfo JSLexicalEnvironment::s_info = { "JSLexicalEnvironment", &Base::s_info, 0, CREATE_METHOD_TABLE(JSLexicalEnvironment) };
-
-inline bool JSLexicalEnvironment::symbolTableGet(PropertyName propertyName, PropertySlot& slot)
-{
-    SymbolTableEntry entry = symbolTable()->inlineGet(propertyName.uid());
-    if (entry.isNull())
-        return false;
-
-    ScopeOffset offset = entry.scopeOffset();
-
-    // Defend against the inspector asking for a var after it has been optimized out.
-    if (!isValid(offset))
-        return false;
-
-    JSValue result = variableAt(offset).get();
-    slot.setValue(this, DontEnum, result);
-    return true;
-}
-
-inline bool JSLexicalEnvironment::symbolTablePut(ExecState* exec, PropertyName propertyName, JSValue value, bool shouldThrow)
-{
-    VM& vm = exec->vm();
-    ASSERT(!Heap::heap(value) || Heap::heap(value) == Heap::heap(this));
-    
-    WriteBarrierBase<Unknown>* reg;
-    WatchpointSet* set;
-    {
-        GCSafeConcurrentJITLocker locker(symbolTable()->m_lock, exec->vm().heap);
-        SymbolTable::Map::iterator iter = symbolTable()->find(locker, propertyName.uid());
-        if (iter == symbolTable()->end(locker))
-            return false;
-        ASSERT(!iter->value.isNull());
-        if (iter->value.isReadOnly()) {
-            if (shouldThrow || isLexicalScope())
-                throwTypeError(exec, StrictModeReadonlyPropertyWriteError);
-            return true;
-        }
-        ScopeOffset offset = iter->value.scopeOffset();
-        // Defend against the inspector asking for a var after it has been optimized out.
-        if (!isValid(offset))
-            return false;
-        set = iter->value.watchpointSet();
-        reg = &variableAt(offset);
-    }
-    reg->set(vm, this, value);
-    if (set)
-        set->invalidate(VariableWriteFireDetail(this, propertyName)); // Don't mess around - if we had found this statically, we would have invalidated it.
-    return true;
-}
-
-void JSLexicalEnvironment::getOwnNonIndexPropertyNames(JSObject* object, ExecState* exec, PropertyNameArray& propertyNames, EnumerationMode mode)
-{
-    JSLexicalEnvironment* thisObject = jsCast<JSLexicalEnvironment*>(object);
-
-    {
-        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.scopeOffset()))
-                continue;
-            if (it->key->isSymbol() && !propertyNames.includeSymbolProperties())
-                continue;
-            propertyNames.add(Identifier::fromUid(exec, it->key.get()));
-        }
-    }
-    // Skip the JSEnvironmentRecord implementation of getOwnNonIndexPropertyNames
-    JSObject::getOwnNonIndexPropertyNames(thisObject, exec, propertyNames, mode);
-}
-
-inline bool JSLexicalEnvironment::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.uid());
-        if (iter == symbolTable()->end(locker))
-            return false;
-        SymbolTableEntry& entry = iter->value;
-        ASSERT(!entry.isNull());
-        
-        ScopeOffset offset = entry.scopeOffset();
-        if (!isValid(offset))
-            return false;
-        
-        entry.setAttributes(attributes);
-        reg = &variableAt(offset);
-    }
-    reg->set(vm, this, value);
-    return true;
-}
-
-bool JSLexicalEnvironment::getOwnPropertySlot(JSObject* object, ExecState* exec, PropertyName propertyName, PropertySlot& slot)
-{
-    JSLexicalEnvironment* thisObject = jsCast<JSLexicalEnvironment*>(object);
-
-    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 a 
-    // lexical environment object getter properties or a prototype.
-    ASSERT(!thisObject->hasGetterSetterProperties());
-    ASSERT(thisObject->prototype().isNull());
-    return false;
-}
-
-void JSLexicalEnvironment::put(JSCell* cell, ExecState* exec, PropertyName propertyName, JSValue value, PutPropertySlot& slot)
-{
-    JSLexicalEnvironment* thisObject = jsCast<JSLexicalEnvironment*>(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 lexicalEnvironment object.
-    ASSERT(!thisObject->hasGetterSetterProperties());
-    thisObject->putOwnDataProperty(exec->vm(), propertyName, value, slot);
-}
-
-bool JSLexicalEnvironment::deleteProperty(JSCell* cell, ExecState* exec, PropertyName propertyName)
-{
-    if (propertyName == exec->propertyNames().arguments)
-        return false;
-
-    return Base::deleteProperty(cell, exec, propertyName);
-}
-
-JSValue JSLexicalEnvironment::toThis(JSCell*, ExecState* exec, ECMAMode ecmaMode)
-{
-    if (ecmaMode == StrictMode)
-        return jsUndefined();
-    return exec->globalThisValue();
-}
-
-} // namespace JSC