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// { dg-do run }
// { dg-options "-fstrict-enums" }
extern "C" void abort (void);
class CCUTILS_KeyedScalarLevelPosition
{
public:
typedef enum
{
UNINITED = 0,
AT_BEGIN = 1,
AT_END = 2,
AT_KEY = 3
} position_t;
bool is_init() const
{ return(m_timestamp != UNINITED); }
bool is_at_begin() const
{ return(m_timestamp == AT_BEGIN); }
position_t get_state() const
{
return((m_timestamp >= AT_KEY)
? AT_KEY
: ((position_t)m_timestamp));
}
void set_at_begin()
{ m_timestamp = AT_BEGIN; }
unsigned int get_index() const
{ return(m_index); }
void set_pos(unsigned int a_index, unsigned int a_timestmap)
{
m_index = a_index;
m_timestamp = a_timestmap;
}
bool check_pos(unsigned int a_num_entries, unsigned int a_timestamp) const
{
if (get_state() != AT_KEY)
return(false);
if (m_timestamp != a_timestamp)
return(false);
return(m_index < a_num_entries);
}
void set_not_init()
{ m_timestamp = 0; }
private:
unsigned int m_timestamp;
unsigned int m_index;
};
class CCUTILS_KeyedScalarPosition
{
public:
CCUTILS_KeyedScalarLevelPosition m_L1;
CCUTILS_KeyedScalarLevelPosition m_L2;
};
class baz
{
public:
int *n[20];
unsigned int m_cur_array_len;
unsigned int m_timestamp;
unsigned int _get_timestamp() const
{ return(m_timestamp); }
bool _check_L1_pos(const CCUTILS_KeyedScalarPosition &a_position) const
{
return(a_position.m_L1.check_pos(
m_cur_array_len, _get_timestamp()));
}
void *next (CCUTILS_KeyedScalarPosition &);
};
void * baz::next (CCUTILS_KeyedScalarPosition &a_position)
{
if (a_position.m_L1.is_at_begin() || (!a_position.m_L1.is_init()))
{
a_position.m_L1.set_pos(0, _get_timestamp());
a_position.m_L2.set_at_begin();
}
else if (!_check_L1_pos(a_position))
return(0);
return n[a_position.m_L1.get_index ()];
}
int main (int, char **)
{
baz obj;
CCUTILS_KeyedScalarPosition a_pos;
void *ret;
int n[5];
obj.n[0] = n;
obj.m_cur_array_len = 1;
obj.m_timestamp = 42;
a_pos.m_L1.set_pos (0, 42);
ret = obj.next (a_pos);
if (ret == 0)
abort ();
return 0;
}
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