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30 #include "JSVariableObject.h"
32 #include "JSActivation.h"
33 #include "JSGlobalObject.h"
34 #include "JSStaticScopeObject.h"
35 #include "PropertyNameArray.h"
36 #include "PropertyDescriptor.h"
40 JSVariableObject::~JSVariableObject()
44 bool JSVariableObject::deleteProperty(JSCell* cell, ExecState* exec, const Identifier& propertyName)
46 JSVariableObject* thisObject = jsCast<JSVariableObject*>(cell);
47 if (thisObject->symbolTable().contains(propertyName.impl()))
50 return JSObject::deleteProperty(thisObject, exec, propertyName);
53 void JSVariableObject::getOwnPropertyNames(JSObject* object, ExecState* exec, PropertyNameArray& propertyNames, EnumerationMode mode)
55 JSVariableObject* thisObject = jsCast<JSVariableObject*>(object);
56 SymbolTable::const_iterator end = thisObject->symbolTable().end();
57 for (SymbolTable::const_iterator it = thisObject->symbolTable().begin(); it != end; ++it) {
58 if (!(it->second.getAttributes() & DontEnum) || (mode == IncludeDontEnumProperties))
59 propertyNames.add(Identifier(exec, it->first.get()));
62 JSObject::getOwnPropertyNames(thisObject, exec, propertyNames, mode);
65 bool JSVariableObject::symbolTableGet(const Identifier& propertyName, PropertyDescriptor& descriptor)
67 SymbolTableEntry entry = symbolTable().inlineGet(propertyName.impl());
68 if (!entry.isNull()) {
69 descriptor.setDescriptor(registerAt(entry.getIndex()).get(), entry.getAttributes() | DontDelete);
75 void JSVariableObject::putWithAttributes(JSObject*, ExecState*, const Identifier&, JSValue, unsigned)
80 bool JSVariableObject::isDynamicScope(bool& requiresDynamicChecks) const
82 switch (structure()->typeInfo().type()) {
83 case GlobalObjectType:
84 return static_cast<const JSGlobalObject*>(this)->isDynamicScope(requiresDynamicChecks);
85 case ActivationObjectType:
86 return static_cast<const JSActivation*>(this)->isDynamicScope(requiresDynamicChecks);
87 case StaticScopeObjectType:
88 return static_cast<const JSStaticScopeObject*>(this)->isDynamicScope(requiresDynamicChecks);