webkitgtk-2.16.5HEADwebkitgtk-2.16.5master

1 files changed, 71 insertions, 0 deletions

diff --git a/Source/JavaScriptCore/runtime/JSGlobalLexicalEnvironment.cpp b/Source/JavaScriptCore/runtime/JSGlobalLexicalEnvironment.cpp
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+++ b/Source/JavaScriptCore/runtime/JSGlobalLexicalEnvironment.cpp
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+/*
+ * Copyright (C) 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.
+ *
+ * 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"
+#include "JSGlobalLexicalEnvironment.h"
+
+#include "JSCInlines.h"
+
+namespace JSC {
+
+const ClassInfo JSGlobalLexicalEnvironment::s_info = { "JSGlobalLexicalEnvironment", &Base::s_info, 0, CREATE_METHOD_TABLE(JSGlobalLexicalEnvironment) };
+
+void JSGlobalLexicalEnvironment::destroy(JSCell* cell)
+{
+    static_cast<JSGlobalLexicalEnvironment*>(cell)->JSGlobalLexicalEnvironment::~JSGlobalLexicalEnvironment();
+}
+
+bool JSGlobalLexicalEnvironment::getOwnPropertySlot(JSObject* object, ExecState*, PropertyName propertyName, PropertySlot& slot)
+{
+    JSGlobalLexicalEnvironment* thisObject = jsCast<JSGlobalLexicalEnvironment*>(object);
+    return symbolTableGet(thisObject, propertyName, slot);
+}
+
+bool JSGlobalLexicalEnvironment::put(JSCell* cell, ExecState* exec, PropertyName propertyName, JSValue value, PutPropertySlot& slot)
+{
+    JSGlobalLexicalEnvironment* thisObject = jsCast<JSGlobalLexicalEnvironment*>(cell);
+    ASSERT(!Heap::heap(value) || Heap::heap(value) == Heap::heap(thisObject));
+    bool alwaysThrowWhenAssigningToConstProperty = true;
+    bool ignoreConstAssignmentError = slot.isInitialization();
+    bool putResult = false;
+    symbolTablePutTouchWatchpointSet(thisObject, exec, propertyName, value, alwaysThrowWhenAssigningToConstProperty, ignoreConstAssignmentError, putResult);
+    return putResult;
+}
+
+bool JSGlobalLexicalEnvironment::isConstVariable(UniquedStringImpl* impl)
+{
+    SymbolTableEntry entry = symbolTable()->get(impl);
+    ASSERT(!entry.isNull());
+    return entry.isReadOnly();
+}
+
+JSValue JSGlobalLexicalEnvironment::toThis(JSCell*, ExecState* exec, ECMAMode ecmaMode)
+{
+    if (ecmaMode == StrictMode)
+        return jsUndefined();
+    return exec->globalThisValue();
+}
+
+} // namespace JSC