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#ifndef QV4OBJECTITERATOR_H
#define QV4OBJECTITERATOR_H

#include "qv4global_p.h"
#include "qv4property_p.h"
#include "qv4scopedvalue_p.h"
#include "qv4object_p.h"

QT_BEGIN_NAMESPACE

namespace QV4 {

struct SparseArrayNode;
struct Object;
struct ArrayObject;
struct PropertyAttributes;
struct ExecutionContext;
struct Property;
struct String;
struct InternalClass;

struct Q_QML_EXPORT ObjectIterator
{
    enum Flags {
        NoFlags = 0,
        EnumerableOnly = 0x1,
        WithProtoChain = 0x2,
    };

    ObjectRef object;
    ObjectRef current;
    SparseArrayNode *arrayNode;
    uint arrayIndex;
    uint memberIndex;
    uint flags;

    Property tmpDynamicProperty;

    ObjectIterator(SafeObject *scratch1, SafeObject *scratch2, const ObjectRef o, uint flags);
    ObjectIterator(Scope &scope, const ObjectRef o, uint flags);
    Property *next(StringRef name, uint *index, PropertyAttributes *attributes = 0);
    ReturnedValue nextPropertyName(ValueRef value);
    ReturnedValue nextPropertyNameAsString(ValueRef value);
    ReturnedValue nextPropertyNameAsString();
};

struct ForEachIteratorObject: Object {
    Q_MANAGED
    ObjectIterator it;
    ForEachIteratorObject(ExecutionContext *ctx, const ObjectRef o)
        : Object(ctx->engine), it(workArea, workArea + 1, o, ObjectIterator::EnumerableOnly|ObjectIterator::WithProtoChain) {
        vtbl = &static_vtbl;
        type = Type_ForeachIteratorObject;
    }

    ReturnedValue nextPropertyName() { return it.nextPropertyNameAsString(); }

protected:
    static void markObjects(Managed *that, ExecutionEngine *e);

    SafeObject workArea[2];
};


}

QT_END_NAMESPACE

#endif
