diff options
Diffstat (limited to 'gnu/egcs/libstdc++/stl/stl_stack.h')
-rw-r--r-- | gnu/egcs/libstdc++/stl/stl_stack.h | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/gnu/egcs/libstdc++/stl/stl_stack.h b/gnu/egcs/libstdc++/stl/stl_stack.h new file mode 100644 index 00000000000..2a04b21e507 --- /dev/null +++ b/gnu/egcs/libstdc++/stl/stl_stack.h @@ -0,0 +1,111 @@ +/* + * + * Copyright (c) 1994 + * Hewlett-Packard Company + * + * Permission to use, copy, modify, distribute and sell this software + * and its documentation for any purpose is hereby granted without fee, + * provided that the above copyright notice appear in all copies and + * that both that copyright notice and this permission notice appear + * in supporting documentation. Hewlett-Packard Company makes no + * representations about the suitability of this software for any + * purpose. It is provided "as is" without express or implied warranty. + * + * + * Copyright (c) 1996,1997 + * Silicon Graphics Computer Systems, Inc. + * + * Permission to use, copy, modify, distribute and sell this software + * and its documentation for any purpose is hereby granted without fee, + * provided that the above copyright notice appear in all copies and + * that both that copyright notice and this permission notice appear + * in supporting documentation. Silicon Graphics makes no + * representations about the suitability of this software for any + * purpose. It is provided "as is" without express or implied warranty. + */ + +/* NOTE: This is an internal header file, included by other STL headers. + * You should not attempt to use it directly. + */ + +#ifndef __SGI_STL_INTERNAL_STACK_H +#define __SGI_STL_INTERNAL_STACK_H + +__STL_BEGIN_NAMESPACE + +#ifndef __STL_LIMITED_DEFAULT_TEMPLATES +template <class _Tp, class _Sequence = deque<_Tp> > +#else +template <class _Tp, class _Sequence> +#endif +class stack { + friend bool operator== __STL_NULL_TMPL_ARGS (const stack&, const stack&); + friend bool operator< __STL_NULL_TMPL_ARGS (const stack&, const stack&); +public: + typedef typename _Sequence::value_type value_type; + typedef typename _Sequence::size_type size_type; + typedef _Sequence container_type; + + typedef typename _Sequence::reference reference; + typedef typename _Sequence::const_reference const_reference; +protected: + _Sequence _M_c; +public: + stack() : _M_c() {} + explicit stack(const _Sequence& __s) : _M_c(__s) {} + + bool empty() const { return _M_c.empty(); } + size_type size() const { return _M_c.size(); } + reference top() { return _M_c.back(); } + const_reference top() const { return _M_c.back(); } + void push(const value_type& __x) { _M_c.push_back(__x); } + void pop() { _M_c.pop_back(); } +}; + +template <class _Tp, class _Seq> +bool operator==(const stack<_Tp,_Seq>& __x, const stack<_Tp,_Seq>& __y) +{ + return __x._M_c == __y._M_c; +} + +template <class _Tp, class _Seq> +bool operator<(const stack<_Tp,_Seq>& __x, const stack<_Tp,_Seq>& __y) +{ + return __x._M_c < __y._M_c; +} + +#ifdef __STL_FUNCTION_TMPL_PARTIAL_ORDER + +template <class _Tp, class _Seq> +bool operator!=(const stack<_Tp,_Seq>& __x, const stack<_Tp,_Seq>& __y) +{ + return !(__x == __y); +} + +template <class _Tp, class _Seq> +bool operator>(const stack<_Tp,_Seq>& __x, const stack<_Tp,_Seq>& __y) +{ + return __y < __x; +} + +template <class _Tp, class _Seq> +bool operator<=(const stack<_Tp,_Seq>& __x, const stack<_Tp,_Seq>& __y) +{ + return !(__y < __x); +} + +template <class _Tp, class _Seq> +bool operator>=(const stack<_Tp,_Seq>& __x, const stack<_Tp,_Seq>& __y) +{ + return !(__x < __y); +} + +#endif /* __STL_FUNCTION_TMPL_PARTIAL_ORDER */ + +__STL_END_NAMESPACE + +#endif /* __SGI_STL_INTERNAL_STACK_H */ + +// Local Variables: +// mode:C++ +// End: |