| 1 | /* |
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| 2 | * Copyright (C) 2007, 2008 Apple Inc. All rights reserved. |
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| 3 | * |
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| 4 | * Redistribution and use in source and binary forms, with or without |
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| 5 | * modification, are permitted provided that the following conditions |
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| 6 | * are met: |
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| 7 | * |
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| 8 | * 1. Redistributions of source code must retain the above copyright |
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| 9 | * notice, this list of conditions and the following disclaimer. |
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| 10 | * 2. Redistributions in binary form must reproduce the above copyright |
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| 11 | * notice, this list of conditions and the following disclaimer in the |
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| 12 | * documentation and/or other materials provided with the distribution. |
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| 13 | * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of |
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| 14 | * its contributors may be used to endorse or promote products derived |
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| 15 | * from this software without specific prior written permission. |
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| 16 | * |
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| 17 | * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY |
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| 18 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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| 19 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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| 20 | * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY |
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| 21 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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| 22 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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| 23 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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| 24 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 27 | */ |
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| 28 | |
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| 29 | #include "config.h" |
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| 30 | #include "JSVariableObject.h" |
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| 31 | |
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| 32 | #include "PropertyNameArray.h" |
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| 33 | #include "PropertyDescriptor.h" |
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| 34 | |
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| 35 | namespace JSC { |
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| 36 | |
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| 37 | bool JSVariableObject::deleteProperty(ExecState* exec, const Identifier& propertyName) |
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| 38 | { |
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| 39 | if (symbolTable().contains(key: propertyName.ustring().rep())) |
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| 40 | return false; |
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| 41 | |
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| 42 | return JSObject::deleteProperty(exec, propertyName); |
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| 43 | } |
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| 44 | |
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| 45 | void JSVariableObject::getOwnPropertyNames(ExecState* exec, PropertyNameArray& propertyNames, EnumerationMode mode) |
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| 46 | { |
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| 47 | SymbolTable::const_iterator end = symbolTable().end(); |
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| 48 | for (SymbolTable::const_iterator it = symbolTable().begin(); it != end; ++it) { |
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| 49 | if (!(it->second.getAttributes() & DontEnum) || (mode == IncludeDontEnumProperties)) |
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| 50 | propertyNames.add(identifier: Identifier(exec, it->first.get())); |
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| 51 | } |
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| 52 | |
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| 53 | JSObject::getOwnPropertyNames(exec, propertyNames, mode); |
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| 54 | } |
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| 55 | |
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| 56 | bool JSVariableObject::isVariableObject() const |
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| 57 | { |
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| 58 | return true; |
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| 59 | } |
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| 60 | |
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| 61 | bool JSVariableObject::symbolTableGet(const Identifier& propertyName, PropertyDescriptor& descriptor) |
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| 62 | { |
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| 63 | SymbolTableEntry entry = symbolTable().inlineGet(key: propertyName.ustring().rep()); |
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| 64 | if (!entry.isNull()) { |
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| 65 | descriptor.setDescriptor(value: registerAt(index: entry.getIndex()).jsValue(), attributes: entry.getAttributes() | DontDelete); |
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| 66 | return true; |
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| 67 | } |
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| 68 | return false; |
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| 69 | } |
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| 70 | |
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| 71 | } // namespace JSC |
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| 72 | |
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