726 lines
22 KiB
C++
726 lines
22 KiB
C++
/*
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* This file is part of the DXX-Rebirth project <http://www.dxx-rebirth.com/>.
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* It is copyright by its individual contributors, as recorded in the
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* project's Git history. See COPYING.txt at the top level for license
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* terms and a link to the Git history.
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*/
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#pragma once
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#include <stdexcept>
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#include <string>
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#include "fwd-valptridx.h"
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#include "compiler-array.h"
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#include "compiler-static_assert.h"
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#include "compiler-type_traits.h"
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#include "pack.h"
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#include "poison.h"
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#ifdef DXX_CONSTANT_TRUE
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#define DXX_VALPTRIDX_STATIC_CHECK(SUCCESS_CONDITION,FAILURE_FUNCTION,FAILURE_STRING) \
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( \
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static_cast<void>(DXX_CONSTANT_TRUE(!(SUCCESS_CONDITION)) && \
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(DXX_ALWAYS_ERROR_FUNCTION(FAILURE_FUNCTION, FAILURE_STRING), 0) \
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) \
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)
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#ifdef DXX_HAVE_ATTRIBUTE_WARNING
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/* This causes many warnings because some conversions are not checked for
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* safety. Eliminating the warnings by changing the call sites to check first
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* would be a useful improvement.
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*/
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//#define DXX_VALPTRIDX_WARN_CALL_NOT_OPTIMIZED_OUT __attribute__((__warning__("call not eliminated")))
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#endif
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#else
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#define DXX_VALPTRIDX_STATIC_CHECK(E,F,S) \
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((void)0)
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#endif
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#ifdef DXX_HAVE_CXX11_REF_QUALIFIER
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#define DXX_VALPTRIDX_REF_QUALIFIER_LVALUE &
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#else
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#define DXX_VALPTRIDX_REF_QUALIFIER_LVALUE
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#endif
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#define DXX_VALPTRIDX_CHECK(SUCCESS_CONDITION,EXCEPTION,FAILURE_STRING,...) \
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( \
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static_cast<void>(DXX_VALPTRIDX_STATIC_CHECK((SUCCESS_CONDITION), dxx_trap_##EXCEPTION, FAILURE_STRING), \
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(SUCCESS_CONDITION) || (EXCEPTION::report(__VA_ARGS__), 0) \
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) \
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)
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#ifndef DXX_VALPTRIDX_WARN_CALL_NOT_OPTIMIZED_OUT
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#define DXX_VALPTRIDX_WARN_CALL_NOT_OPTIMIZED_OUT
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#endif
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namespace detail {
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class valptridx_array_type_count
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{
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unsigned count;
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public:
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unsigned get_count() const
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{
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return count;
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}
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void set_count(const unsigned c)
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{
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count = c;
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}
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};
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}
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template <typename INTEGRAL_TYPE, std::size_t array_size_value>
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constexpr std::size_t valptridx_specialized_type_parameters<INTEGRAL_TYPE, array_size_value>::array_size;
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template <typename P>
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class valptridx<P>::index_mismatch_exception :
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public std::logic_error
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{
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DXX_INHERIT_CONSTRUCTORS(index_mismatch_exception, logic_error);
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public:
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__attribute_cold
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__attribute_noreturn
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DXX_VALPTRIDX_WARN_CALL_NOT_OPTIMIZED_OUT
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static void report(const array_managed_type &, index_type, const_pointer_type, const_pointer_type);
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};
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template <typename P>
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class valptridx<P>::index_range_exception :
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public std::out_of_range
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{
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DXX_INHERIT_CONSTRUCTORS(index_range_exception, out_of_range);
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public:
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__attribute_cold
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__attribute_noreturn
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DXX_VALPTRIDX_WARN_CALL_NOT_OPTIMIZED_OUT
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static void report(const array_managed_type *, long);
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};
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template <typename P>
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class valptridx<P>::null_pointer_exception :
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public std::logic_error
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{
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DXX_INHERIT_CONSTRUCTORS(null_pointer_exception, logic_error);
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public:
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__attribute_cold
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__attribute_noreturn
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DXX_VALPTRIDX_WARN_CALL_NOT_OPTIMIZED_OUT
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static void report();
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__attribute_cold
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__attribute_noreturn
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DXX_VALPTRIDX_WARN_CALL_NOT_OPTIMIZED_OUT
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static void report(const array_managed_type &);
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};
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template <typename managed_type>
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void valptridx<managed_type>::check_index_match(const managed_type &r, index_type i, const array_managed_type &a)
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{
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const auto pi = &a[i];
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DXX_VALPTRIDX_CHECK(pi == &r, index_mismatch_exception, "pointer/index mismatch", a, i, pi, &r);
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}
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template <typename managed_type>
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template <template <typename> class Compare>
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typename valptridx<managed_type>::index_type valptridx<managed_type>::check_index_range(const index_type i, const array_managed_type *a)
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{
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const std::size_t ss = i;
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DXX_VALPTRIDX_CHECK(Compare<std::size_t>()(ss, array_size), index_range_exception, "invalid index used in array subscript", a, ss);
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return i;
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}
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template <typename managed_type>
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void valptridx<managed_type>::check_null_pointer_conversion(const_pointer_type p)
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{
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DXX_VALPTRIDX_CHECK(p, null_pointer_exception, "NULL pointer converted");
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}
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template <typename managed_type>
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void valptridx<managed_type>::check_null_pointer(const_pointer_type p, const array_managed_type &a)
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{
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DXX_VALPTRIDX_CHECK(p, null_pointer_exception, "NULL pointer used", a);
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}
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template <typename managed_type>
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void valptridx<managed_type>::check_implicit_index_range_ref(const managed_type &r, const array_managed_type &a)
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{
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check_explicit_index_range_ref(r, static_cast<const_pointer_type>(&r) - static_cast<const_pointer_type>(&a.front()), a);
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}
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template <typename managed_type>
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void valptridx<managed_type>::check_explicit_index_range_ref(const managed_type &r, std::size_t i, const array_managed_type &a)
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{
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check_index_match(r, i, a);
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check_index_range(i, &a);
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}
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template <typename managed_type>
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class valptridx<managed_type>::partial_policy::require_valid
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{
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public:
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static constexpr tt::false_type allow_nullptr{};
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static constexpr tt::false_type check_allowed_invalid_index(index_type) { return {}; }
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};
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template <typename managed_type>
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class valptridx<managed_type>::partial_policy::allow_invalid
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{
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public:
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static constexpr tt::true_type allow_nullptr{};
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static constexpr bool check_allowed_invalid_index(index_type i)
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{
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return i == static_cast<index_type>(~0);
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}
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};
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template <typename managed_type>
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constexpr tt::false_type valptridx<managed_type>::partial_policy::require_valid::allow_nullptr;
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template <typename managed_type>
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constexpr tt::true_type valptridx<managed_type>::partial_policy::allow_invalid::allow_nullptr;
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template <typename managed_type>
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template <template <typename> class policy>
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class valptridx<managed_type>::partial_policy::apply_cv_policy
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{
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template <typename T>
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using apply_cv_qualifier = typename policy<T>::type;
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public:
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using array_managed_type = apply_cv_qualifier<valptridx<managed_type>::array_managed_type>;
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using pointer_type = apply_cv_qualifier<managed_type> *;
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using reference_type = apply_cv_qualifier<managed_type> &;
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};
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template <typename managed_type>
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class valptridx<managed_type>::vc :
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public partial_policy::require_valid,
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public partial_policy::template apply_cv_policy<tt::add_const>
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{
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};
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template <typename managed_type>
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class valptridx<managed_type>::vm :
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public partial_policy::require_valid,
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public partial_policy::template apply_cv_policy<tt::remove_const>
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{
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};
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template <typename managed_type>
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class valptridx<managed_type>::ic :
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public partial_policy::allow_invalid,
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public partial_policy::template apply_cv_policy<tt::add_const>
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{
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};
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template <typename managed_type>
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class valptridx<managed_type>::im :
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public partial_policy::allow_invalid,
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public partial_policy::template apply_cv_policy<tt::remove_const>
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{
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};
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template <typename managed_type>
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template <typename policy, unsigned>
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class valptridx<managed_type>::basic_idx :
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public policy
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{
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using containing_type = valptridx<managed_type>;
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public:
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using policy::allow_nullptr;
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using policy::check_allowed_invalid_index;
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using index_type = typename containing_type::index_type;
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using integral_type = typename containing_type::integral_type;
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using typename policy::array_managed_type;
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basic_idx() = delete;
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basic_idx(const basic_idx &) = default;
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basic_idx(basic_idx &&) = default;
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basic_idx &operator=(const basic_idx &) = default;
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basic_idx &operator=(basic_idx &&) = default;
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index_type get_unchecked_index() const { return m_idx; }
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template <typename rpolicy, unsigned ru>
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basic_idx(const basic_idx<rpolicy, ru> &rhs) :
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m_idx(rhs.get_unchecked_index())
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{
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if (!(allow_nullptr || !rhs.allow_nullptr))
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check_index_range(m_idx, nullptr);
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}
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template <typename rpolicy, unsigned ru>
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basic_idx(basic_idx<rpolicy, ru> &&rhs) :
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m_idx(rhs.get_unchecked_index())
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{
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/* Prevent move from allow_invalid into require_valid. The
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* right hand side must be saved and checked for validity before
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* being used to initialize a require_valid type.
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*/
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static_assert(allow_nullptr || !rhs.allow_nullptr, "cannot move from allow_invalid to require_valid");
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}
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basic_idx(index_type i) :
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m_idx(check_allowed_invalid_index(i) ? i : check_index_range(i, nullptr))
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{
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}
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basic_idx(index_type i, array_managed_type &a) :
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m_idx(check_allowed_invalid_index(i) ? i : check_index_range(i, &a))
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{
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}
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basic_idx(index_type i, array_managed_type &a, const allow_end_construction *) :
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m_idx(check_index_range<std::less_equal>(i, &a))
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{
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}
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template <integral_type v>
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basic_idx(const magic_constant<v> &) :
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m_idx(v)
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{
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static_assert(allow_nullptr || static_cast<std::size_t>(v) < array_size, "invalid magic index not allowed for this policy");
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}
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template <typename rpolicy, unsigned ru>
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bool operator==(const basic_idx<rpolicy, ru> &rhs) const
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{
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return m_idx == rhs.get_unchecked_index();
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}
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bool operator==(const index_type &i) const
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{
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return m_idx == i;
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}
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template <integral_type v>
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bool operator==(const magic_constant<v> &) const
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{
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static_assert(allow_nullptr || static_cast<std::size_t>(v) < array_size, "invalid magic index not allowed for this policy");
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return m_idx == v;
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}
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template <typename R>
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bool operator!=(const R &rhs) const
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{
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return !(*this == rhs);
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}
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operator index_type() const
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{
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return m_idx;
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}
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protected:
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index_type m_idx;
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basic_idx &operator++()
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{
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++ m_idx;
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return *this;
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}
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};
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template <typename managed_type>
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template <typename policy, unsigned>
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class valptridx<managed_type>::basic_ptr :
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public policy
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{
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using containing_type = valptridx<managed_type>;
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public:
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using policy::allow_nullptr;
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using policy::check_allowed_invalid_index;
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using index_type = typename containing_type::index_type;
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using const_pointer_type = typename containing_type::const_pointer_type;
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using mutable_pointer_type = typename containing_type::mutable_pointer_type;
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using typename policy::array_managed_type;
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using typename policy::pointer_type;
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using typename policy::reference_type;
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basic_ptr() = delete;
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/* Override template matches to make same-type copy/move trivial */
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basic_ptr(const basic_ptr &) = default;
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basic_ptr(basic_ptr &&) = default;
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basic_ptr &operator=(const basic_ptr &) = default;
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basic_ptr &operator=(basic_ptr &&) = default;
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pointer_type get_unchecked_pointer() const { return m_ptr; }
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basic_ptr(std::nullptr_t) :
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m_ptr(nullptr)
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{
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static_assert(allow_nullptr, "nullptr construction not allowed for this policy");
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}
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template <integral_type v>
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basic_ptr(const magic_constant<v> &) :
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m_ptr(nullptr)
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{
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static_assert(static_cast<std::size_t>(v) >= array_size, "valid magic index requires an array");
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static_assert(allow_nullptr || static_cast<std::size_t>(v) < array_size, "invalid magic index not allowed for this policy");
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}
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template <integral_type v>
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basic_ptr(const magic_constant<v> &, array_managed_type &a) :
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m_ptr(static_cast<std::size_t>(v) < array_size ? &(a[v]) : nullptr)
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{
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static_assert(allow_nullptr || static_cast<std::size_t>(v) < array_size, "invalid magic index not allowed for this policy");
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}
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template <typename rpolicy, unsigned ru>
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basic_ptr(const basic_ptr<rpolicy, ru> &rhs) :
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m_ptr(rhs.get_unchecked_pointer())
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{
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if (!(allow_nullptr || !rhs.allow_nullptr))
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check_null_pointer_conversion(m_ptr);
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}
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template <typename rpolicy, unsigned ru>
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basic_ptr(basic_ptr<rpolicy, ru> &&rhs) :
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m_ptr(rhs.get_unchecked_pointer())
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{
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/* Prevent move from allow_invalid into require_valid. The
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* right hand side must be saved and checked for validity before
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* being used to initialize a require_valid type.
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*/
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static_assert(allow_nullptr || !rhs.allow_nullptr, "cannot move from allow_invalid to require_valid");
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}
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basic_ptr(index_type i) = delete;
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basic_ptr(index_type i, array_managed_type &a) :
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m_ptr(check_allowed_invalid_index(i) ? nullptr : &a[check_index_range(i, &a)])
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{
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}
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basic_ptr(index_type i, array_managed_type &a, const allow_end_construction *) :
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m_ptr(&a[check_index_range<std::less_equal>(i, &a)])
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{
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}
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basic_ptr(pointer_type p) = delete;
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basic_ptr(pointer_type p, array_managed_type &a) :
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/* No array consistency check here, since some code incorrectly
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* defines instances of `object` outside the Objects array, then
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* passes pointers to those instances to this function.
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*/
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m_ptr(p)
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{
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if (!allow_nullptr)
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check_null_pointer(p, a);
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}
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basic_ptr(reference_type r, array_managed_type &a) :
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m_ptr((check_implicit_index_range_ref(r, a), &r))
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{
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}
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basic_ptr(reference_type r, index_type i, array_managed_type &a) :
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m_ptr((check_explicit_index_range_ref(r, i, a), &r))
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{
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}
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operator mutable_pointer_type() const { return m_ptr; } // implicit pointer conversion deprecated
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operator const_pointer_type() const { return m_ptr; } // implicit pointer conversion deprecated
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pointer_type operator->() const DXX_VALPTRIDX_REF_QUALIFIER_LVALUE
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{
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return m_ptr;
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}
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operator reference_type() const DXX_VALPTRIDX_REF_QUALIFIER_LVALUE
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{
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return *m_ptr;
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}
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reference_type operator*() const DXX_VALPTRIDX_REF_QUALIFIER_LVALUE
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{
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return *this;
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}
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explicit operator bool() const DXX_VALPTRIDX_REF_QUALIFIER_LVALUE
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{
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return !(*this == nullptr);
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}
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#ifdef DXX_HAVE_CXX11_REF_QUALIFIER
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pointer_type operator->() const &&
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{
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static_assert(!allow_nullptr, "operator-> not allowed with allow_invalid policy");
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return operator->();
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}
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operator reference_type() const &&
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{
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static_assert(!allow_nullptr, "implicit reference not allowed with allow_invalid policy");
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return *this;
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}
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reference_type operator*() const &&
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{
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static_assert(!allow_nullptr, "operator* not allowed with allow_invalid policy");
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return *this;
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}
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explicit operator bool() const && = delete;
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#endif
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bool operator==(std::nullptr_t) const
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{
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static_assert(allow_nullptr, "nullptr comparison not allowed: value is never null");
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return m_ptr == nullptr;
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}
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bool operator==(const_pointer_type p) const
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{
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return m_ptr == p;
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}
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bool operator==(mutable_pointer_type p) const
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{
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return m_ptr == p;
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}
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template <typename rpolicy, unsigned ru>
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bool operator==(const basic_ptr<rpolicy, ru> &rhs) const
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{
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return *this == rhs.get_unchecked_pointer();
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}
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template <typename R>
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bool operator!=(const R &rhs) const
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{
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return !(*this == rhs);
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}
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template <typename U>
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long operator-(U) const = delete;
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template <typename R>
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bool operator<(R) const = delete;
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template <typename R>
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bool operator>(R) const = delete;
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template <typename R>
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bool operator<=(R) const = delete;
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template <typename R>
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bool operator>=(R) const = delete;
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protected:
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pointer_type m_ptr;
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basic_ptr &operator++()
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{
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++ m_ptr;
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return *this;
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}
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};
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template <typename managed_type>
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template <typename policy>
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class valptridx<managed_type>::basic_ptridx :
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public prohibit_void_ptr<basic_ptridx<policy>>,
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public basic_ptr<policy, 1>,
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public basic_idx<policy, 1>
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{
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public:
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typedef basic_ptr<policy, 1> vptr_type;
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typedef basic_idx<policy, 1> vidx_type;
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using typename vidx_type::array_managed_type;
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using index_type = typename vidx_type::index_type;
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using typename vidx_type::integral_type;
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using typename vptr_type::pointer_type;
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using vidx_type::operator==;
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|
using vptr_type::operator==;
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basic_ptridx(const basic_ptridx &) = default;
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|
basic_ptridx(basic_ptridx &&) = default;
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basic_ptridx &operator=(const basic_ptridx &) = default;
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basic_ptridx &operator=(basic_ptridx &&) = default;
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|
basic_ptridx(std::nullptr_t) = delete;
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|
/* Prevent implicit conversion. Require use of the factory function.
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|
*/
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basic_ptridx(pointer_type p) = delete;
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template <typename rpolicy>
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|
basic_ptridx(const basic_ptridx<rpolicy> &rhs) :
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vptr_type(static_cast<const typename basic_ptridx<rpolicy>::vptr_type &>(rhs)),
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|
vidx_type(static_cast<const typename basic_ptridx<rpolicy>::vidx_type &>(rhs))
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|
{
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|
}
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|
template <typename rpolicy>
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|
basic_ptridx(basic_ptridx<rpolicy> &&rhs) :
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vptr_type(static_cast<typename basic_ptridx<rpolicy>::vptr_type &&>(rhs)),
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|
vidx_type(static_cast<typename basic_ptridx<rpolicy>::vidx_type &&>(rhs))
|
|
{
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|
}
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|
template <integral_type v>
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|
basic_ptridx(const magic_constant<v> &m) :
|
|
vptr_type(m),
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|
vidx_type(m)
|
|
{
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|
}
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|
template <integral_type v>
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|
basic_ptridx(const magic_constant<v> &m, array_managed_type &a) :
|
|
vptr_type(m, a),
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|
vidx_type(m)
|
|
{
|
|
}
|
|
basic_ptridx(index_type i) = delete;
|
|
basic_ptridx(index_type i, array_managed_type &a) :
|
|
vptr_type(i, a),
|
|
vidx_type(i, a)
|
|
{
|
|
}
|
|
basic_ptridx(index_type i, array_managed_type &a, const allow_end_construction *e) :
|
|
vptr_type(i, a, e),
|
|
vidx_type(i, a, e)
|
|
{
|
|
}
|
|
basic_ptridx(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((check_null_pointer(p, a), *p), a),
|
|
vidx_type(p - static_cast<pointer_type>(&a.front()), a)
|
|
{
|
|
}
|
|
basic_ptridx(pointer_type p, index_type i, array_managed_type &a) :
|
|
vptr_type((check_null_pointer(p, a), *p), i, a),
|
|
vidx_type(i, a)
|
|
{
|
|
}
|
|
basic_ptridx absolute_sibling(const index_type i) const
|
|
{
|
|
static_assert(!policy::allow_nullptr, "absolute_sibling not allowed with invalid ptridx");
|
|
basic_ptridx r(*this);
|
|
r.m_ptr += check_index_range(i, nullptr) - this->m_idx;
|
|
r.m_idx = i;
|
|
return r;
|
|
}
|
|
template <typename rpolicy>
|
|
bool operator==(const basic_ptridx<rpolicy> &rhs) const
|
|
{
|
|
return vptr_type::operator==(static_cast<const typename basic_ptridx<rpolicy>::vptr_type &>(rhs));
|
|
}
|
|
template <typename R>
|
|
bool operator!=(const R &rhs) const
|
|
{
|
|
return !(*this == rhs);
|
|
}
|
|
protected:
|
|
basic_ptridx &operator++()
|
|
{
|
|
vptr_type::operator++();
|
|
vidx_type::operator++();
|
|
return *this;
|
|
}
|
|
};
|
|
|
|
template <typename managed_type>
|
|
class valptridx<managed_type>::array_managed_type :
|
|
public detail::valptridx_array_type_count,
|
|
public array<managed_type, array_size>
|
|
{
|
|
using containing_type = valptridx<managed_type>;
|
|
using array_type = array<managed_type, array_size>;
|
|
public:
|
|
using typename array_type::reference;
|
|
using typename array_type::const_reference;
|
|
using index_type = typename containing_type::index_type;
|
|
template <typename T>
|
|
typename tt::enable_if<tt::is_integral<T>::value, reference>::type operator[](T n)
|
|
{
|
|
return array_type::operator[](n);
|
|
}
|
|
template <typename T>
|
|
typename tt::enable_if<tt::is_integral<T>::value, const_reference>::type operator[](T n) const
|
|
{
|
|
return array_type::operator[](n);
|
|
}
|
|
template <typename T>
|
|
typename tt::enable_if<!tt::is_integral<T>::value, reference>::type operator[](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 <typename managed_type>
|
|
template <typename P>
|
|
class valptridx<managed_type>::basic_vptr_global_factory
|
|
{
|
|
using containing_type = valptridx<managed_type>;
|
|
struct iterator :
|
|
std::iterator<std::forward_iterator_tag, P>,
|
|
P
|
|
{
|
|
using P::operator++;
|
|
iterator(P &&i) :
|
|
P(static_cast<P &&>(i))
|
|
{
|
|
}
|
|
P operator*() const
|
|
{
|
|
return *this;
|
|
}
|
|
};
|
|
public:
|
|
using index_type = typename containing_type::index_type;
|
|
using result_type = P;
|
|
basic_vptr_global_factory() = default;
|
|
basic_vptr_global_factory(const basic_vptr_global_factory &) = delete;
|
|
basic_vptr_global_factory &operator=(const basic_vptr_global_factory &) = delete;
|
|
__attribute_warn_unused_result
|
|
P operator()(typename P::const_pointer_type p) const
|
|
{
|
|
return P(p, get_array(p));
|
|
}
|
|
__attribute_warn_unused_result
|
|
P operator()(typename P::mutable_pointer_type p) const
|
|
{
|
|
return P(p, get_array(p));
|
|
}
|
|
__attribute_warn_unused_result
|
|
P operator()(index_type i) const
|
|
{
|
|
return P(i, get_array());
|
|
}
|
|
__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() const
|
|
{
|
|
auto &a = get_array();
|
|
return P(static_cast<index_type>(a.get_count()), a, static_cast<const allow_end_construction *>(nullptr));
|
|
}
|
|
template <containing_type::integral_type v>
|
|
__attribute_warn_unused_result
|
|
P operator()(const containing_type::magic_constant<v> &m) const
|
|
{
|
|
return P(m, get_array());
|
|
}
|
|
template <typename policy>
|
|
P operator()(containing_type::basic_idx<policy, 0> i) const
|
|
{
|
|
return P(i, get_array());
|
|
}
|
|
template <typename T>
|
|
P operator()(T &&) const = delete;
|
|
void *operator &() const = delete;
|
|
};
|
|
|
|
template <typename managed_type>
|
|
template <typename PI>
|
|
class valptridx<managed_type>::basic_ptridx_global_factory
|
|
{
|
|
using containing_type = valptridx<managed_type>;
|
|
public:
|
|
using result_type = PI;
|
|
basic_ptridx_global_factory() = default;
|
|
basic_ptridx_global_factory(const basic_ptridx_global_factory &) = delete;
|
|
basic_ptridx_global_factory &operator=(const basic_ptridx_global_factory &) = delete;
|
|
__attribute_warn_unused_result
|
|
PI operator()(typename PI::index_type i) const
|
|
{
|
|
return PI(i, get_array());
|
|
}
|
|
template <containing_type::integral_type v>
|
|
__attribute_warn_unused_result
|
|
PI operator()(const containing_type::magic_constant<v> &m) const
|
|
{
|
|
return PI(m, get_array());
|
|
}
|
|
template <typename T>
|
|
PI operator()(T &&) const = delete;
|
|
void *operator &() const = delete;
|
|
};
|
|
|
|
#define _DEFINE_VALPTRIDX_SUBTYPE_USERTYPE(N,P,I,A,prefix,Pconst) \
|
|
constexpr valptridx<P>::basic_ptridx_global_factory<prefix##ptr_t> prefix##ptr{}; \
|
|
constexpr valptridx<P>::basic_vptr_global_factory<v##prefix##ptr_t> v##prefix##ptr{}; \
|
|
constexpr valptridx<P>::basic_ptridx_global_factory<prefix##ptridx_t> prefix##ptridx{}; \
|
|
constexpr valptridx<P>::basic_vptr_global_factory<v##prefix##ptridx_t> v##prefix##ptridx{}; \
|
|
static inline v##prefix##ptridx_t operator-(Pconst P *o, Pconst valptridx<P>::array_managed_type &O) \
|
|
{ \
|
|
return {o, static_cast<v##prefix##ptridx_t::integral_type>(const_cast<const P *>(o) - static_cast<const P *>(&(const_cast<const valptridx<P>::array_managed_type &>(O).front()))), O}; \
|
|
} \
|
|
|
|
#define DEFINE_VALPTRIDX_SUBTYPE(N,P,I,A) \
|
|
_DEFINE_VALPTRIDX_SUBTYPE_USERTYPE(N,P,I,A,N,); \
|
|
_DEFINE_VALPTRIDX_SUBTYPE_USERTYPE(N,P,I,A,c##N,const) \
|
|
|