class valptridx::index_mismatch_exception :
public std::logic_error
{
DXX_INHERIT_CONSTRUCTORS(index_mismatch_exception, logic_error);
public:
__attribute_cold
__attribute_noreturn
DXX_VALPTRIDX_WARN_CALL_NOT_OPTIMIZED_OUT
static void report(DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_R_DEFN_VARS const array_managed_type &, index_type, const_pointer_type, const_pointer_type);
};
template
class valptridx::index_range_exception :
public std::out_of_range
{
DXX_INHERIT_CONSTRUCTORS(index_range_exception, out_of_range);
public:
__attribute_cold
__attribute_noreturn
DXX_VALPTRIDX_WARN_CALL_NOT_OPTIMIZED_OUT
static void report(DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_R_DEFN_VARS const array_managed_type *, long);
};
template
class valptridx::null_pointer_exception :
public std::logic_error
{
DXX_INHERIT_CONSTRUCTORS(null_pointer_exception, logic_error);
public:
__attribute_cold
__attribute_noreturn
DXX_VALPTRIDX_WARN_CALL_NOT_OPTIMIZED_OUT
static void report(DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_N_DEFN_VARS);
__attribute_cold
__attribute_noreturn
DXX_VALPTRIDX_WARN_CALL_NOT_OPTIMIZED_OUT
static void report(DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_R_DEFN_VARS const array_managed_type &);
};
#endif
template
void valptridx::check_index_match(DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_R_DEFN_VARS const managed_type &r, index_type i, const array_managed_type &a __attribute_unused)
{
const auto pi = &a[i];
DXX_VALPTRIDX_CHECK(pi == &r, index_mismatch_exception, "pointer/index mismatch", a, i, pi, &r);
}
template
template class Compare>
typename valptridx::index_type valptridx::check_index_range(DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_R_DEFN_VARS const index_type i, const array_managed_type *const a __attribute_unused)
{
const std::size_t ss = i;
DXX_VALPTRIDX_CHECK(Compare()(ss, array_size), index_range_exception, "invalid index used in array subscript", a, ss);
return i;
}
template
void valptridx::check_null_pointer_conversion(DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_R_DEFN_VARS const_pointer_type p)
{
DXX_VALPTRIDX_CHECK(p, null_pointer_exception, "NULL pointer converted");
}
template
void valptridx::check_null_pointer(DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_R_DEFN_VARS const_pointer_type p, const array_managed_type &a __attribute_unused)
{
DXX_VALPTRIDX_CHECK(p, null_pointer_exception, "NULL pointer used", a);
}
template
void valptridx::check_implicit_index_range_ref(DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_R_DEFN_VARS const managed_type &r, const array_managed_type &a)
{
check_explicit_index_range_ref(DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_R_PASS_VARS r, static_cast(&r) - static_cast(&a.front()), a);
}
template
void valptridx::check_explicit_index_range_ref(DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_R_DEFN_VARS const managed_type &r, std::size_t i, const array_managed_type &a)
{
check_index_match(DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_R_PASS_VARS r, i, a);
check_index_range(DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_R_PASS_VARS i, &a);
}
template
class valptridx::partial_policy::require_valid
{
public:
static constexpr tt::false_type allow_nullptr{};
static constexpr tt::false_type check_allowed_invalid_index(index_type) { return {}; }
static constexpr bool check_nothrow_index(index_type i)
{
return std::less()(i, array_size);
}
};
template
class valptridx::partial_policy::allow_invalid
{
public:
static constexpr tt::true_type allow_nullptr{};
static constexpr bool check_allowed_invalid_index(index_type i)
{
return i == static_cast(~0);
}
static constexpr bool check_nothrow_index(index_type i)
{
return check_allowed_invalid_index(i) || require_valid::check_nothrow_index(i);
}
};
template
constexpr tt::false_type valptridx::partial_policy::require_valid::allow_nullptr;
template
constexpr tt::true_type valptridx::partial_policy::allow_invalid::allow_nullptr;
template
template class policy>
class valptridx::partial_policy::apply_cv_policy
{
template
using apply_cv_qualifier = typename policy::type;
public:
using array_managed_type = apply_cv_qualifier::array_managed_type>;
using pointer_type = apply_cv_qualifier *;
using reference_type = apply_cv_qualifier &;
};
template
class valptridx::vc :
public partial_policy::require_valid,
public partial_policy::template apply_cv_policy
{
};
template
class valptridx::vm :
public partial_policy::require_valid,
public partial_policy::template apply_cv_policy
{
};
template
class valptridx::ic :
public partial_policy::allow_invalid,
public partial_policy::template apply_cv_policy
{
};
template
class valptridx::im :
public partial_policy::allow_invalid,
public partial_policy::template apply_cv_policy
{
};
template
template
class valptridx::basic_idx :
public policy
{
using containing_type = valptridx;
public:
using policy::allow_nullptr;
using policy::check_allowed_invalid_index;
using index_type = typename containing_type::index_type;
using integral_type = typename containing_type::integral_type;
using typename policy::array_managed_type;
basic_idx() = delete;
basic_idx(const basic_idx &) = default;
basic_idx(basic_idx &&) = default;
basic_idx &operator=(const basic_idx &) = default;
basic_idx &operator=(basic_idx &&) = default;
index_type get_unchecked_index() const { return m_idx; }
template
basic_idx(const basic_idx &rhs DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_L_DECL_VARS) :
m_idx(rhs.get_unchecked_index())
{
/* If moving from allow_invalid to require_valid, check range.
* If moving from allow_invalid to allow_invalid, no check is
* needed.
* If moving from require_valid to anything, no check is needed.
*/
if (!(allow_nullptr || !rhs.allow_nullptr))
check_index_range(DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_R_PASS_VARS m_idx, nullptr);
}
template
basic_idx(basic_idx &&rhs) :
m_idx(rhs.get_unchecked_index())
{
/* Prevent move from allow_invalid into require_valid. The
* right hand side must be saved and checked for validity before
* being used to initialize a require_valid type.
*/
static_assert(allow_nullptr || !rhs.allow_nullptr, "cannot move from allow_invalid to require_valid");
}
basic_idx(index_type i DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_L_DECL_VARS) :
m_idx(check_allowed_invalid_index(i) ? i : check_index_range(DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_R_PASS_VARS i, nullptr))
{
}
basic_idx(DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_R_DEFN_VARS index_type i, array_managed_type &a) :
m_idx(check_allowed_invalid_index(i) ? i : check_index_range(DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_R_PASS_VARS i, &a))
{
}
protected:
template
basic_idx(const magic_constant &, const allow_none_construction *) :
m_idx(v)
{
static_assert(!allow_nullptr, "allow_none_construction used where nullptr was already legal");
static_assert(static_cast(v) >= array_size, "allow_none_construction used with valid index");
}
basic_idx(DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_R_DEFN_VARS index_type i, array_managed_type &a, const allow_end_construction *) :
m_idx(check_index_range(DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_R_PASS_VARS i, &a))
{
}
basic_idx(index_type i, array_managed_type &, const assume_nothrow_index *) :
m_idx(i)
{
}
public:
template
basic_idx(const magic_constant &) :
m_idx(v)
{
static_assert(allow_nullptr || static_cast(v) < array_size, "invalid magic index not allowed for this policy");
}
template
bool operator==(const basic_idx &rhs) const
{
return m_idx == rhs.get_unchecked_index();
}
bool operator==(const index_type &i) const
{
return m_idx == i;
}
template
bool operator==(const magic_constant &) const
{
static_assert(allow_nullptr || static_cast(v) < array_size, "invalid magic index not allowed for this policy");
return m_idx == v;
}
template
bool operator!=(const R &rhs) const
{
return !(*this == rhs);
}
operator index_type() const
{
return m_idx;
}
protected:
index_type m_idx;
basic_idx &operator++()
{
++ m_idx;
return *this;
}
};
template
template
class valptridx::basic_ptr :
public policy
{
using containing_type = valptridx;
public:
using policy::allow_nullptr;
using policy::check_allowed_invalid_index;
using index_type = typename containing_type::index_type;
using const_pointer_type = typename containing_type::const_pointer_type;
using mutable_pointer_type = typename containing_type::mutable_pointer_type;
using allow_none_construction = typename containing_type::allow_none_construction;
using typename policy::array_managed_type;
using typename policy::pointer_type;
using typename policy::reference_type;
basic_ptr() = delete;
/* Override template matches to make same-type copy/move trivial */
basic_ptr(const basic_ptr &) = default;
basic_ptr(basic_ptr &&) = default;
basic_ptr &operator=(const basic_ptr &) = default;
basic_ptr &operator=(basic_ptr &&) = default;
pointer_type get_unchecked_pointer() const { return m_ptr; }
basic_ptr(std::nullptr_t) :
m_ptr(nullptr)
{
static_assert(allow_nullptr, "nullptr construction not allowed for this policy");
}
template
basic_ptr(const magic_constant &) :
m_ptr(nullptr)
{
static_assert(static_cast(v) >= array_size, "valid magic index requires an array");
static_assert(allow_nullptr || static_cast(v) < array_size, "invalid magic index not allowed for this policy");
}
template
basic_ptr(const magic_constant &, array_managed_type &a) :
m_ptr(&a[v])
{
static_assert(static_cast(v) < array_size, "valid magic index required when using array");
}
template
basic_ptr(const basic_ptr &rhs DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_L_DECL_VARS) :
m_ptr(rhs.get_unchecked_pointer())
{
if (!(allow_nullptr || !rhs.allow_nullptr))
check_null_pointer_conversion(DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_R_PASS_VARS m_ptr);
}
template
basic_ptr(basic_ptr &&rhs) :
m_ptr(rhs.get_unchecked_pointer())
{
/* Prevent move from allow_invalid into require_valid. The
* right hand side must be saved and checked for validity before
* being used to initialize a require_valid type.
*/
static_assert(allow_nullptr || !rhs.allow_nullptr, "cannot move from allow_invalid to require_valid");
}
basic_ptr(index_type i) = delete;
basic_ptr(DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_R_DEFN_VARS index_type i, array_managed_type &a) :
m_ptr(check_allowed_invalid_index(i) ? nullptr : &a[check_index_range(DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_R_PASS_VARS i, &a)])
{
}
basic_ptr(DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_R_DEFN_VARS index_type i, array_managed_type &a, const allow_end_construction *) :
m_ptr(&a[check_index_range(DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_R_PASS_VARS i, &a)])
{
}
basic_ptr(index_type i, array_managed_type &a, const assume_nothrow_index *) :
m_ptr(&a[i])
{
}
basic_ptr(pointer_type p) = delete;
basic_ptr(DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_R_DEFN_VARS pointer_type p, array_managed_type &a) :
/* No array consistency check here, since some code incorrectly
* defines instances of `object` outside the Objects array, then
* passes pointers to those instances to this function.
*/
m_ptr(p)
{
if (!allow_nullptr)
check_null_pointer(DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_R_PASS_VARS p, a);
}
basic_ptr(DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_R_DEFN_VARS reference_type r, array_managed_type &a) :
m_ptr((check_implicit_index_range_ref(DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_R_PASS_VARS r, a), &r))
{
}
basic_ptr(DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_R_DEFN_VARS reference_type r, index_type i, array_managed_type &a) :
m_ptr((check_explicit_index_range_ref(DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_R_PASS_VARS r, i, a), &r))
{
}
operator mutable_pointer_type() const { return m_ptr; } // implicit pointer conversion deprecated
operator const_pointer_type() const { return m_ptr; } // implicit pointer conversion deprecated
pointer_type operator->() const &
{
return m_ptr;
}
operator reference_type() const &
{
return *m_ptr;
}
reference_type operator*() const &
{
return *this;
}
explicit operator bool() const &
{
return !(*this == nullptr);
}
pointer_type operator->() const &&
{
static_assert(!allow_nullptr, "operator-> not allowed with allow_invalid policy");
return operator->();
}
operator reference_type() const &&
{
static_assert(!allow_nullptr, "implicit reference not allowed with allow_invalid policy");
return *this;
}
reference_type operator*() const &&
{
static_assert(!allow_nullptr, "operator* not allowed with allow_invalid policy");
return *this;
}
explicit operator bool() const && = delete;
bool operator==(std::nullptr_t) const
{
static_assert(allow_nullptr, "nullptr comparison not allowed: value is never null");
return m_ptr == nullptr;
}
bool operator==(const_pointer_type p) const
{
return m_ptr == p;
}
bool operator==(mutable_pointer_type p) const
{
return m_ptr == p;
}
template
bool operator==(const basic_ptr &rhs) const
{
return *this == rhs.get_unchecked_pointer();
}
template
bool operator!=(const R &rhs) const
{
return !(*this == rhs);
}
template
long operator-(U) const = delete;
template
bool operator<(R) const = delete;
template
bool operator>(R) const = delete;
template
bool operator<=(R) const = delete;
template
bool operator>=(R) const = delete;
protected:
pointer_type m_ptr;
basic_ptr &operator++()
{
++ m_ptr;
return *this;
}
basic_ptr(const allow_none_construction *) :
m_ptr(nullptr)
{
static_assert(!allow_nullptr, "allow_none_construction used where nullptr was already legal");
}
};
template
template
class valptridx::basic_ptridx :
public prohibit_void_ptr>,
public basic_ptr,
public basic_idx
{
public:
typedef basic_ptr vptr_type;
typedef basic_idx vidx_type;
using typename vidx_type::array_managed_type;
using index_type = typename vidx_type::index_type;
using typename vidx_type::integral_type;
using typename vptr_type::pointer_type;
using vidx_type::operator==;
using vptr_type::operator==;
basic_ptridx(const basic_ptridx &) = default;
basic_ptridx(basic_ptridx &&) = default;
basic_ptridx &operator=(const basic_ptridx &) = default;
basic_ptridx &operator=(basic_ptridx &&) = default;
basic_ptridx(std::nullptr_t) = delete;
/* Prevent implicit conversion. Require use of the factory function.
*/
basic_ptridx(pointer_type p) = delete;
template
basic_ptridx(const basic_ptridx &rhs DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_L_DECL_VARS) :
vptr_type(static_cast::vptr_type &>(rhs) DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_L_PASS_VARS),
vidx_type(static_cast::vidx_type &>(rhs) DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_L_PASS_VARS)
{
}
template
basic_ptridx(basic_ptridx &&rhs DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_L_DECL_VARS) :
vptr_type(static_cast::vptr_type &&>(rhs) DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_L_PASS_VARS),
vidx_type(static_cast::vidx_type &&>(rhs) DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_L_PASS_VARS)
{
}
template
basic_ptridx(const magic_constant &m) :
vptr_type(m),
vidx_type(m)
{
}
template
basic_ptridx(const magic_constant &m, array_managed_type &a) :
vptr_type(m, a),
vidx_type(m)
{
}
template
basic_ptridx(const magic_constant &m, const allow_none_construction *const n) :
vptr_type(n),
vidx_type(m, n)
{
}
basic_ptridx(index_type i) = delete;
basic_ptridx(DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_R_DEFN_VARS index_type i, array_managed_type &a) :
vptr_type(DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_R_PASS_VARS i, a),
vidx_type(DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_R_PASS_VARS i, a)
{
}
basic_ptridx(DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_R_DEFN_VARS index_type i, array_managed_type &a, const allow_end_construction *e) :
vptr_type(DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_R_PASS_VARS i, a, e),
vidx_type(DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_R_PASS_VARS i, a, e)
{
}
basic_ptridx(index_type i, array_managed_type &a, const assume_nothrow_index *e) :
vptr_type(i, a, e),
vidx_type(i, a, e)
{
}
basic_ptridx(DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_R_DEFN_VARS pointer_type p, array_managed_type &a) :
/* Null pointer is never allowed when an index must be computed.
* Check for null, then use the reference constructor for
* vptr_type to avoid checking again.
*/
vptr_type(DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_R_PASS_VARS (check_null_pointer(DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_R_PASS_VARS p, a), *p), a),
vidx_type(DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_R_PASS_VARS p - static_cast(&a.front()), a)
{
}
basic_ptridx(DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_R_DEFN_VARS pointer_type p, index_type i, array_managed_type &a) :
vptr_type(DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_R_PASS_VARS (check_null_pointer(DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_R_PASS_VARS p, a), *p), i, a),
vidx_type(DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_R_PASS_VARS i, a)
{
}
basic_ptridx absolute_sibling(const index_type i DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_L_DECL_VARS) const
{
static_assert(!policy::allow_nullptr, "absolute_sibling not allowed with invalid ptridx");
basic_ptridx r(*this);
r.m_ptr += check_index_range(DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_R_PASS_VARS i, nullptr) - this->m_idx;
r.m_idx = i;
return r;
}
template
bool operator==(const basic_ptridx &rhs) const
{
return vptr_type::operator==(static_cast::vptr_type &>(rhs));
}
template
bool operator!=(const R &rhs) const
{
return !(*this == rhs);
}
protected:
basic_ptridx &operator++()
{
vptr_type::operator++();
vidx_type::operator++();
return *this;
}
};
template
template
class valptridx::guarded
{
static_assert(std::is_trivially_destructible::value, "non-trivial destructor found for guarded_type");
enum state : uint8_t
{
/* empty - the untrusted input was invalid, so no guarded_type
* exists
*/
empty,
/* initialized - the untrusted input was valid, so a
* guarded_type type exists, but the calling code has not yet
* tested the state of this guarded
*/
initialized,
/* checked - the untrusted input was valid, and the calling code
* has called operator bool()
*/
checked,
};
union {
state m_dummy;
guarded_type m_value;
};
mutable state m_state;
public:
guarded(std::nullptr_t) :
m_dummy(), m_state(empty)
{
}
guarded(guarded_type &&v) :
m_value(std::move(v)), m_state(initialized)
{
}
__attribute_warn_unused_result
explicit operator bool() const
{
/*
* If no contained guarded_type exists, return false.
* Otherwise, record that the result has been tested and then
* return true. operator*() uses m_state to enforce that the
* result is tested.
*/
if (m_state == empty)
return false;
m_state = checked;
return true;
}
__attribute_warn_unused_result
guarded_type operator*() const &
{
/*
* Correct code will always execute as if this method was just
* the return statement, with none of the sanity checks. The
* checks are present to catch misuse of this type, preferably
* at compile-time, but at least at runtime.
*/
#define DXX_VALPTRIDX_GUARDED_OBJECT_NO "access to guarded object that does not exist"
#define DXX_VALPTRIDX_GUARDED_OBJECT_MAYBE "access to guarded object that may not exist"
#ifdef DXX_CONSTANT_TRUE
/* If the contained object might not exist: */
if (!DXX_CONSTANT_TRUE(m_state == checked))
{
/*
* Always fail. Choose an error message and function name
* based on whether the contained type provably does not
* exist. It provably does not exist if this call is on a
* path where operator bool() returned false. It
* conditionally might not exist if this call is on a path
* where operator bool() has not been called.
*/
if (DXX_CONSTANT_TRUE(m_state == empty))
DXX_ALWAYS_ERROR_FUNCTION(guarded_accessed_empty, DXX_VALPTRIDX_GUARDED_OBJECT_NO);
else
DXX_ALWAYS_ERROR_FUNCTION(guarded_accessed_unchecked, DXX_VALPTRIDX_GUARDED_OBJECT_MAYBE);
}
#else
/*
* If the compiler does not offer constant truth analysis
* (perhaps because of insufficient optimization), then emit a
* runtime check for whether the guarded_type exists.
*
* This test can throw even if the contained object is valid, if
* the caller did not first validate that the contained object
* is valid. This restriction is necessary since inputs are
* usually valid even when untested, so throwing only on state
* `empty` would allow incorrect usage to persist in the code
* until someone happened to receive an invalid input from an
* untrusted source.
*/
if (m_state != checked)
throw std::logic_error(m_state == empty ? DXX_VALPTRIDX_GUARDED_OBJECT_NO : DXX_VALPTRIDX_GUARDED_OBJECT_MAYBE);
#endif
#undef DXX_VALPTRIDX_GUARDED_OBJECT_MAYBE
#undef DXX_VALPTRIDX_GUARDED_OBJECT_NO
return m_value;
}
guarded_type operator*() const && = delete;
};
template
class valptridx::array_managed_type :
public detail::valptridx_array_type_count,
public array
{
using containing_type = valptridx;
using array_type = array;
public:
using typename array_type::reference;
using typename array_type::const_reference;
using index_type = typename containing_type::index_type;
reference operator[](const integral_type &n)
{
return array_type::operator[](n);
}
const_reference operator[](const integral_type &n) const
{
return array_type::operator[](n);
}
template
reference operator[](const T &) const = delete;
#if DXX_HAVE_POISON_UNDEFINED
array_managed_type();
#else
array_managed_type() = default;
#endif
array_managed_type(const array_managed_type &) = delete;
array_managed_type &operator=(const array_managed_type &) = delete;
};
template
template
class valptridx::basic_ival_global_factory
{
using containing_type = valptridx;
public:
using result_type = P;
basic_ival_global_factory() = default;
basic_ival_global_factory(const basic_ival_global_factory &) = delete;
basic_ival_global_factory &operator=(const basic_ival_global_factory &) = delete;
__attribute_warn_unused_result
guarded check_untrusted(index_type i) const
{
if (P::check_nothrow_index(i))
return P(i, get_array(), static_cast(nullptr));
else
return nullptr;
}
template
guarded check_untrusted(T &&) const = delete;
__attribute_warn_unused_result
P operator()(typename P::index_type i DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_L_DECL_VARS) const
{
return P(DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_R_PASS_VARS i, get_array());
}
template
__attribute_warn_unused_result
P operator()(const containing_type::magic_constant &m) const
{
return P(m, get_array());
}
template
P operator()(T &&) const = delete;
void *operator &() const = delete;
};
template
template
class valptridx::basic_vval_global_factory :
public basic_ival_global_factory
{
using containing_type = valptridx;
using base_type = basic_ival_global_factory;
struct iterator :
std::iterator,
P
{
using P::operator++;
iterator(P &&i) :
P(static_cast(i))
{
}
P operator*() const
{
return *this;
}
};
public:
using index_type = typename containing_type::index_type;
using typename base_type::result_type;
using base_type::operator();
__attribute_warn_unused_result
P operator()(typename P::const_pointer_type p DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_L_DECL_VARS) const
{
return P(DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_R_PASS_VARS p, get_array(p));
}
__attribute_warn_unused_result
P operator()(typename P::mutable_pointer_type p DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_L_DECL_VARS) const
{
return P(DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_R_PASS_VARS p, get_array(p));
}
__attribute_warn_unused_result
typename array_managed_type::size_type count() const
{
return get_array().get_count();
}
__attribute_warn_unused_result
typename array_managed_type::size_type size() const
{
return get_array().size();
}
__attribute_warn_unused_result
iterator begin() const
{
return P(containing_type::magic_constant<0>(), get_array());
}
__attribute_warn_unused_result
iterator end(DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_N_DECL_VARS) const
{
auto &a = get_array();
return P(DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_R_PASS_VARS static_cast(a.get_count()), a, static_cast(nullptr));
}
template
P operator()(containing_type::basic_idx i DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_L_DECL_VARS) const
{
return P(DXX_VALPTRIDX_REPORT_STANDARD_LEADER_COMMA_R_PASS_VARS i, get_array());
}
};
#define DXX_VALPTRIDX_DEFINE_GLOBAL_FACTORIES3(MANAGED_TYPE,STORAGE_CLASS,FACTORY) \
STORAGE_CLASS valptridx::basic_vval_global_factory v##FACTORY{}; \
STORAGE_CLASS valptridx::basic_ival_global_factory FACTORY{} \
#define DXX_VALPTRIDX_DEFINE_GLOBAL_FACTORIES2(MANAGED_TYPE,STORAGE_CLASS,PREFIX) \
DXX_VALPTRIDX_DEFINE_GLOBAL_FACTORIES3(MANAGED_TYPE,STORAGE_CLASS,PREFIX##ptr); \
DXX_VALPTRIDX_DEFINE_GLOBAL_FACTORIES3(MANAGED_TYPE,STORAGE_CLASS,PREFIX##ptridx) \
#define DXX_VALPTRIDX_DEFINE_GLOBAL_FACTORIES(P,N) \
DXX_VALPTRIDX_DEFINE_GLOBAL_FACTORIES2(P,__attribute_unused static,N); \
DXX_VALPTRIDX_DEFINE_GLOBAL_FACTORIES2(P,constexpr,c##N) \