forked from OSchip/llvm-project
616 lines
19 KiB
C++
616 lines
19 KiB
C++
// Like the compiler, the static analyzer treats some functions differently if
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// they come from a system header -- for example, it is assumed that system
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// functions do not arbitrarily free() their parameters, and that some bugs
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// found in system headers cannot be fixed by the user and should be
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// suppressed.
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#pragma clang system_header
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typedef unsigned char uint8_t;
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typedef __typeof__(sizeof(int)) size_t;
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typedef __typeof__((char*)0-(char*)0) ptrdiff_t;
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void *memmove(void *s1, const void *s2, size_t n);
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namespace std {
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struct input_iterator_tag { };
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struct output_iterator_tag { };
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struct forward_iterator_tag : public input_iterator_tag { };
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struct bidirectional_iterator_tag : public forward_iterator_tag { };
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struct random_access_iterator_tag : public bidirectional_iterator_tag { };
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template <typename Iterator> struct iterator_traits {
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typedef typename Iterator::difference_type difference_type;
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typedef typename Iterator::value_type value_type;
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typedef typename Iterator::pointer pointer;
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typedef typename Iterator::reference reference;
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typedef typename Iterator::iterator_category iterator_category;
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};
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}
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template <typename T, typename Ptr, typename Ref> struct __vector_iterator {
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typedef __vector_iterator<T, T *, T &> iterator;
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typedef __vector_iterator<T, const T *, const T &> const_iterator;
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typedef ptrdiff_t difference_type;
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typedef T value_type;
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typedef Ptr pointer;
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typedef Ref reference;
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typedef std::random_access_iterator_tag iterator_category;
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__vector_iterator(const Ptr p = 0) : ptr(p) {}
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__vector_iterator(const iterator &rhs): ptr(rhs.base()) {}
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__vector_iterator<T, Ptr, Ref> operator++() { ++ ptr; return *this; }
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__vector_iterator<T, Ptr, Ref> operator++(int) {
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auto tmp = *this;
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++ ptr;
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return tmp;
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}
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__vector_iterator<T, Ptr, Ref> operator--() { -- ptr; return *this; }
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__vector_iterator<T, Ptr, Ref> operator--(int) {
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auto tmp = *this; -- ptr;
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return tmp;
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}
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__vector_iterator<T, Ptr, Ref> operator+(difference_type n) {
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return ptr + n;
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}
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__vector_iterator<T, Ptr, Ref> operator-(difference_type n) {
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return ptr - n;
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}
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__vector_iterator<T, Ptr, Ref> operator+=(difference_type n) {
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return ptr += n;
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}
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__vector_iterator<T, Ptr, Ref> operator-=(difference_type n) {
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return ptr -= n;
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}
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Ref operator*() const { return *ptr; }
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Ptr operator->() const { return *ptr; }
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bool operator==(const iterator &rhs) const { return ptr == rhs.ptr; }
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bool operator==(const const_iterator &rhs) const { return ptr == rhs.ptr; }
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bool operator!=(const iterator &rhs) const { return ptr != rhs.ptr; }
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bool operator!=(const const_iterator &rhs) const { return ptr != rhs.ptr; }
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const Ptr& base() const { return ptr; }
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private:
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Ptr ptr;
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};
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template <typename T, typename Ptr, typename Ref> struct __deque_iterator {
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typedef __deque_iterator<T, T *, T &> iterator;
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typedef __deque_iterator<T, const T *, const T &> const_iterator;
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typedef ptrdiff_t difference_type;
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typedef T value_type;
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typedef Ptr pointer;
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typedef Ref reference;
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typedef std::random_access_iterator_tag iterator_category;
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__deque_iterator(const Ptr p = 0) : ptr(p) {}
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__deque_iterator(const iterator &rhs): ptr(rhs.base()) {}
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__deque_iterator<T, Ptr, Ref> operator++() { ++ ptr; return *this; }
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__deque_iterator<T, Ptr, Ref> operator++(int) {
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auto tmp = *this;
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++ ptr;
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return tmp;
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}
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__deque_iterator<T, Ptr, Ref> operator--() { -- ptr; return *this; }
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__deque_iterator<T, Ptr, Ref> operator--(int) {
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auto tmp = *this; -- ptr;
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return tmp;
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}
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__deque_iterator<T, Ptr, Ref> operator+(difference_type n) {
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return ptr + n;
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}
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__deque_iterator<T, Ptr, Ref> operator-(difference_type n) {
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return ptr - n;
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}
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__deque_iterator<T, Ptr, Ref> operator+=(difference_type n) {
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return ptr += n;
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}
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__deque_iterator<T, Ptr, Ref> operator-=(difference_type n) {
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return ptr -= n;
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}
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Ref operator*() const { return *ptr; }
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Ptr operator->() const { return *ptr; }
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bool operator==(const iterator &rhs) const { return ptr == rhs.ptr; }
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bool operator==(const const_iterator &rhs) const { return ptr == rhs.ptr; }
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bool operator!=(const iterator &rhs) const { return ptr != rhs.ptr; }
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bool operator!=(const const_iterator &rhs) const { return ptr != rhs.ptr; }
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const Ptr& base() const { return ptr; }
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private:
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Ptr ptr;
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};
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template <typename T, typename Ptr, typename Ref> struct __list_iterator {
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typedef __list_iterator<T, __typeof__(T::data) *, __typeof__(T::data) &> iterator;
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typedef __list_iterator<T, const __typeof__(T::data) *, const __typeof__(T::data) &> const_iterator;
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typedef ptrdiff_t difference_type;
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typedef T value_type;
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typedef Ptr pointer;
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typedef Ref reference;
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typedef std::bidirectional_iterator_tag iterator_category;
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__list_iterator(T* it = 0) : item(it) {}
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__list_iterator(const iterator &rhs): item(rhs.base()) {}
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__list_iterator<T, Ptr, Ref> operator++() { item = item->next; return *this; }
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__list_iterator<T, Ptr, Ref> operator++(int) {
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auto tmp = *this;
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item = item->next;
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return tmp;
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}
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__list_iterator<T, Ptr, Ref> operator--() { item = item->prev; return *this; }
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__list_iterator<T, Ptr, Ref> operator--(int) {
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auto tmp = *this;
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item = item->prev;
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return tmp;
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}
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Ref operator*() const { return item->data; }
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Ptr operator->() const { return item->data; }
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bool operator==(const iterator &rhs) const { return item == rhs->item; }
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bool operator==(const const_iterator &rhs) const { return item == rhs->item; }
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bool operator!=(const iterator &rhs) const { return item != rhs->item; }
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bool operator!=(const const_iterator &rhs) const { return item != rhs->item; }
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const T* &base() const { return item; }
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private:
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T* item;
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};
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template <typename T, typename Ptr, typename Ref> struct __fwdl_iterator {
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typedef __fwdl_iterator<T, __typeof__(T::data) *, __typeof__(T::data) &> iterator;
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typedef __fwdl_iterator<T, const __typeof__(T::data) *, const __typeof__(T::data) &> const_iterator;
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typedef ptrdiff_t difference_type;
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typedef T value_type;
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typedef Ptr pointer;
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typedef Ref reference;
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typedef std::forward_iterator_tag iterator_category;
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__fwdl_iterator(T* it = 0) : item(it) {}
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__fwdl_iterator(const iterator &rhs): item(rhs.base()) {}
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__fwdl_iterator<T, Ptr, Ref> operator++() { item = item->next; return *this; }
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__fwdl_iterator<T, Ptr, Ref> operator++(int) {
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auto tmp = *this;
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item = item->next;
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return tmp;
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}
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Ref operator*() const { return item->data; }
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Ptr operator->() const { return item->data; }
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bool operator==(const iterator &rhs) const { return item == rhs->item; }
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bool operator==(const const_iterator &rhs) const { return item == rhs->item; }
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bool operator!=(const iterator &rhs) const { return item != rhs->item; }
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bool operator!=(const const_iterator &rhs) const { return item != rhs->item; }
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const T* &base() const { return item; }
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private:
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T* item;
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};
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namespace std {
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template <class T1, class T2>
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struct pair {
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T1 first;
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T2 second;
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pair() : first(), second() {}
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pair(const T1 &a, const T2 &b) : first(a), second(b) {}
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template<class U1, class U2>
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pair(const pair<U1, U2> &other) : first(other.first),
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second(other.second) {}
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};
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typedef __typeof__(sizeof(int)) size_t;
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template <class T> class initializer_list;
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template< class T > struct remove_reference {typedef T type;};
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template< class T > struct remove_reference<T&> {typedef T type;};
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template< class T > struct remove_reference<T&&> {typedef T type;};
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template<class T>
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typename remove_reference<T>::type&& move(T&& a) {
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typedef typename remove_reference<T>::type&& RvalRef;
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return static_cast<RvalRef>(a);
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}
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template<typename T>
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class vector {
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typedef T value_type;
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typedef size_t size_type;
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typedef __vector_iterator<T, T *, T &> iterator;
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typedef __vector_iterator<T, const T *, const T &> const_iterator;
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T *_start;
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T *_finish;
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T *_end_of_storage;
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public:
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vector() : _start(0), _finish(0), _end_of_storage(0) {}
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template <typename InputIterator>
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vector(InputIterator first, InputIterator last);
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vector(const vector &other);
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vector(vector &&other);
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~vector();
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size_t size() const {
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return size_t(_finish - _start);
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}
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T &operator[](size_t n) {
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return _start[n];
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}
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const T &operator[](size_t n) const {
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return _start[n];
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}
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iterator begin() { return iterator(_start); }
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const_iterator begin() const { return const_iterator(_start); }
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const_iterator cbegin() const { return const_iterator(_start); }
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iterator end() { return iterator(_finish); }
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const_iterator end() const { return const_iterator(_finish); }
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const_iterator cend() const { return const_iterator(_finish); }
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T& front() { return *begin(); }
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const T& front() const { return *begin(); }
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T& back() { return *(end() - 1); }
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const T& back() const { return *(end() - 1); }
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};
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template<typename T>
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class list {
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struct __item {
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T data;
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__item *prev, *next;
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} *_start, *_finish;
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public:
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typedef T value_type;
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typedef size_t size_type;
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typedef __list_iterator<__item, T *, T &> iterator;
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typedef __list_iterator<__item, const T *, const T &> const_iterator;
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list() : _start(0), _finish(0) {}
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template <typename InputIterator>
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list(InputIterator first, InputIterator last);
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list(const list &other);
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list(list &&other);
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~list();
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list& operator=(const list &other);
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list& operator=(list &&other);
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list& operator=(std::initializer_list<T> ilist);
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iterator begin() { return iterator(_start); }
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const_iterator begin() const { return const_iterator(_start); }
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const_iterator cbegin() const { return const_iterator(_start); }
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iterator end() { return iterator(_finish); }
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const_iterator end() const { return const_iterator(_finish); }
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const_iterator cend() const { return const_iterator(_finish); }
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T& front() { return *begin(); }
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const T& front() const { return *begin(); }
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T& back() { return *--end(); }
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const T& back() const { return *--end(); }
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};
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template<typename T>
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class deque {
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typedef T value_type;
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typedef size_t size_type;
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typedef __deque_iterator<T, T *, T &> iterator;
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typedef __deque_iterator<T, const T *, const T &> const_iterator;
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T *_start;
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T *_finish;
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T *_end_of_storage;
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public:
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deque() : _start(0), _finish(0), _end_of_storage(0) {}
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template <typename InputIterator>
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deque(InputIterator first, InputIterator last);
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deque(const deque &other);
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deque(deque &&other);
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~deque();
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size_t size() const {
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return size_t(_finish - _start);
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}
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T &operator[](size_t n) {
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return _start[n];
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}
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const T &operator[](size_t n) const {
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return _start[n];
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}
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iterator begin() { return iterator(_start); }
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const_iterator begin() const { return const_iterator(_start); }
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const_iterator cbegin() const { return const_iterator(_start); }
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iterator end() { return iterator(_finish); }
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const_iterator end() const { return const_iterator(_finish); }
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const_iterator cend() const { return const_iterator(_finish); }
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T& front() { return *begin(); }
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const T& front() const { return *begin(); }
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T& back() { return *(end() - 1); }
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const T& back() const { return *(end() - 1); }
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};
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template<typename T>
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class forward_list {
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struct __item {
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T data;
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__item *next;
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} *_start;
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public:
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typedef T value_type;
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typedef size_t size_type;
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typedef __fwdl_iterator<__item, T *, T &> iterator;
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typedef __fwdl_iterator<__item, const T *, const T &> const_iterator;
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forward_list() : _start(0) {}
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template <typename InputIterator>
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forward_list(InputIterator first, InputIterator last);
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forward_list(const forward_list &other);
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forward_list(forward_list &&other);
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~forward_list();
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iterator begin() { return iterator(_start); }
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const_iterator begin() const { return const_iterator(_start); }
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const_iterator cbegin() const { return const_iterator(_start); }
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iterator end() { return iterator(); }
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const_iterator end() const { return const_iterator(); }
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const_iterator cend() const { return const_iterator(); }
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T& front() { return *begin(); }
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const T& front() const { return *begin(); }
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};
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class exception {
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public:
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exception() throw();
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virtual ~exception() throw();
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virtual const char *what() const throw() {
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return 0;
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}
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};
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class bad_alloc : public exception {
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public:
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bad_alloc() throw();
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bad_alloc(const bad_alloc&) throw();
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bad_alloc& operator=(const bad_alloc&) throw();
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virtual const char* what() const throw() {
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return 0;
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}
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};
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struct nothrow_t {};
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extern const nothrow_t nothrow;
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// libc++'s implementation
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template <class _E>
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class initializer_list
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{
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const _E* __begin_;
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size_t __size_;
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initializer_list(const _E* __b, size_t __s)
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: __begin_(__b),
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__size_(__s)
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{}
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public:
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typedef _E value_type;
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typedef const _E& reference;
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typedef const _E& const_reference;
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typedef size_t size_type;
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typedef const _E* iterator;
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typedef const _E* const_iterator;
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initializer_list() : __begin_(0), __size_(0) {}
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size_t size() const {return __size_;}
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const _E* begin() const {return __begin_;}
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const _E* end() const {return __begin_ + __size_;}
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};
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template <bool, class _Tp = void> struct enable_if {};
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template <class _Tp> struct enable_if<true, _Tp> {typedef _Tp type;};
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template <class _Tp, _Tp __v>
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struct integral_constant
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{
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static const _Tp value = __v;
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typedef _Tp value_type;
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typedef integral_constant type;
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operator value_type() const {return value;}
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value_type operator ()() const {return value;}
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};
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template <class _Tp, _Tp __v>
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const _Tp integral_constant<_Tp, __v>::value;
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template <class _Tp, class _Arg>
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struct is_trivially_assignable
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: integral_constant<bool, __is_trivially_assignable(_Tp, _Arg)>
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{
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};
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typedef integral_constant<bool,true> true_type;
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typedef integral_constant<bool,false> false_type;
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template <class _Tp> struct is_const : public false_type {};
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template <class _Tp> struct is_const<_Tp const> : public true_type {};
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template <class _Tp> struct is_reference : public false_type {};
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template <class _Tp> struct is_reference<_Tp&> : public true_type {};
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template <class _Tp, class _Up> struct is_same : public false_type {};
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template <class _Tp> struct is_same<_Tp, _Tp> : public true_type {};
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template <class _Tp, bool = is_const<_Tp>::value || is_reference<_Tp>::value >
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struct __add_const {typedef _Tp type;};
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template <class _Tp>
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struct __add_const<_Tp, false> {typedef const _Tp type;};
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template <class _Tp> struct add_const {typedef typename __add_const<_Tp>::type type;};
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template <class _Tp> struct remove_const {typedef _Tp type;};
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template <class _Tp> struct remove_const<const _Tp> {typedef _Tp type;};
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template <class _Tp> struct add_lvalue_reference {typedef _Tp& type;};
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template <class _Tp> struct is_trivially_copy_assignable
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: public is_trivially_assignable<typename add_lvalue_reference<_Tp>::type,
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typename add_lvalue_reference<typename add_const<_Tp>::type>::type> {};
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template<class InputIter, class OutputIter>
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OutputIter __copy(InputIter II, InputIter IE, OutputIter OI) {
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while (II != IE)
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*OI++ = *II++;
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return OI;
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}
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template <class _Tp, class _Up>
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inline
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typename enable_if
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<
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is_same<typename remove_const<_Tp>::type, _Up>::value &&
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is_trivially_copy_assignable<_Up>::value,
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_Up*
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>::type __copy(_Tp* __first, _Tp* __last, _Up* __result) {
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size_t __n = __last - __first;
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if (__n > 0)
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memmove(__result, __first, __n * sizeof(_Up));
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return __result + __n;
|
|
}
|
|
|
|
template<class InputIter, class OutputIter>
|
|
OutputIter copy(InputIter II, InputIter IE, OutputIter OI) {
|
|
return __copy(II, IE, OI);
|
|
}
|
|
|
|
template <class _BidirectionalIterator, class _OutputIterator>
|
|
inline
|
|
_OutputIterator
|
|
__copy_backward(_BidirectionalIterator __first, _BidirectionalIterator __last,
|
|
_OutputIterator __result)
|
|
{
|
|
while (__first != __last)
|
|
*--__result = *--__last;
|
|
return __result;
|
|
}
|
|
|
|
template <class _Tp, class _Up>
|
|
inline
|
|
typename enable_if
|
|
<
|
|
is_same<typename remove_const<_Tp>::type, _Up>::value &&
|
|
is_trivially_copy_assignable<_Up>::value,
|
|
_Up*
|
|
>::type __copy_backward(_Tp* __first, _Tp* __last, _Up* __result) {
|
|
size_t __n = __last - __first;
|
|
|
|
if (__n > 0)
|
|
{
|
|
__result -= __n;
|
|
memmove(__result, __first, __n * sizeof(_Up));
|
|
}
|
|
return __result;
|
|
}
|
|
|
|
template<class InputIter, class OutputIter>
|
|
OutputIter copy_backward(InputIter II, InputIter IE, OutputIter OI) {
|
|
return __copy_backward(II, IE, OI);
|
|
}
|
|
}
|
|
|
|
template <class BidirectionalIterator, class Distance>
|
|
void __advance (BidirectionalIterator& it, Distance n,
|
|
std::bidirectional_iterator_tag) {
|
|
if (n >= 0) while(n-- > 0) ++it; else while (n++<0) --it;
|
|
}
|
|
|
|
template <class RandomAccessIterator, class Distance>
|
|
void __advance (RandomAccessIterator& it, Distance n,
|
|
std::random_access_iterator_tag) {
|
|
it += n;
|
|
}
|
|
|
|
namespace std {
|
|
template <class InputIterator, class Distance>
|
|
void advance (InputIterator& it, Distance n) {
|
|
__advance(it, n, typename InputIterator::iterator_category());
|
|
}
|
|
|
|
template <class BidirectionalIterator>
|
|
BidirectionalIterator
|
|
prev (BidirectionalIterator it,
|
|
typename iterator_traits<BidirectionalIterator>::difference_type n =
|
|
1) {
|
|
advance(it, -n);
|
|
return it;
|
|
}
|
|
|
|
template <class InputIterator, class T>
|
|
InputIterator find(InputIterator first, InputIterator last, const T &val);
|
|
|
|
template <class InputIterator, class OutputIterator>
|
|
OutputIterator copy(InputIterator first, InputIterator last,
|
|
OutputIterator result);
|
|
|
|
}
|
|
|
|
#ifdef TEST_INLINABLE_ALLOCATORS
|
|
namespace std {
|
|
void *malloc(size_t);
|
|
void free(void *);
|
|
}
|
|
void* operator new(std::size_t size, const std::nothrow_t&) throw() { return std::malloc(size); }
|
|
void* operator new[](std::size_t size, const std::nothrow_t&) throw() { return std::malloc(size); }
|
|
void operator delete(void* ptr, const std::nothrow_t&) throw() { std::free(ptr); }
|
|
void operator delete[](void* ptr, const std::nothrow_t&) throw() { std::free(ptr); }
|
|
#else
|
|
void* operator new(std::size_t, const std::nothrow_t&) throw();
|
|
void* operator new[](std::size_t, const std::nothrow_t&) throw();
|
|
void operator delete(void*, const std::nothrow_t&) throw();
|
|
void operator delete[](void*, const std::nothrow_t&) throw();
|
|
#endif
|
|
|
|
void* operator new (std::size_t size, void* ptr) throw() { return ptr; };
|
|
void* operator new[] (std::size_t size, void* ptr) throw() { return ptr; };
|
|
void operator delete (void* ptr, void*) throw() {};
|
|
void operator delete[] (void* ptr, void*) throw() {};
|
|
|
|
namespace __cxxabiv1 {
|
|
extern "C" {
|
|
extern char *__cxa_demangle(const char *mangled_name,
|
|
char *output_buffer,
|
|
size_t *length,
|
|
int *status);
|
|
}}
|
|
namespace abi = __cxxabiv1;
|