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#ifndef _IDLC_ASTSTACK_HXX_
#define _IDLC_ASTSTACK_HXX_

#include <sal/types.h>

class AstScope;

class AstStack
{
public:
    AstStack();
    virtual ~AstStack();

    sal_uInt32 depth();
    AstScope* top();
    AstScope* bottom();
    AstScope* nextToTop();
    AstScope* topNonNull();
    AstStack* push(AstScope* pScope);
    void pop();
    void clear();

private:
    AstScope**	m_stack;
    sal_uInt32 	m_size;
    sal_uInt32	m_top;
};

#endif // _IDLC_ASTSTACK_HXX_

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