// A Bison parser, made by GNU Bison 3.0.2.
// Stack handling for Bison parsers in C++
// Copyright (C) 2002-2013 Free Software Foundation, Inc.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
// As a special exception, you may create a larger work that contains
// part or all of the Bison parser skeleton and distribute that work
// under terms of your choice, so long as that work isn't itself a
// parser generator using the skeleton or a modified version thereof
// as a parser skeleton. Alternatively, if you modify or redistribute
// the parser skeleton itself, you may (at your option) remove this
// special exception, which will cause the skeleton and the resulting
// Bison output files to be licensed under the GNU General Public
// License without this special exception.
// This special exception was added by the Free Software Foundation in
// version 2.2 of Bison.
/**
** \file stack.hh
** Define the yy::stack class.
*/
#ifndef YY_YY_STACK_HH_INCLUDED
# define YY_YY_STACK_HH_INCLUDED
# include <vector>
namespace yy {
#line 46 "stack.hh" // stack.hh:133
template <class T, class S = std::vector<T> >
class stack
{
public:
// Hide our reversed order.
typedef typename S::reverse_iterator iterator;
typedef typename S::const_reverse_iterator const_iterator;
stack ()
: seq_ ()
{
}
stack (unsigned int n)
: seq_ (n)
{
}
inline
T&
operator[] (unsigned int i)
{
return seq_[seq_.size () - 1 - i];
}
inline
const T&
operator[] (unsigned int i) const
{
return seq_[seq_.size () - 1 - i];
}
/// Steal the contents of \a t.
///
/// Close to move-semantics.
inline
void
push (T& t)
{
seq_.push_back (T());
operator[](0).move (t);
}
inline
void
pop (unsigned int n = 1)
{
for (; n; --n)
seq_.pop_back ();
}
void
clear ()
{
seq_.clear ();
}
inline
typename S::size_type
size () const
{
return seq_.size ();
}
inline
const_iterator
begin () const
{
return seq_.rbegin ();
}
inline
const_iterator
end () const
{
return seq_.rend ();
}
private:
stack (const stack&);
stack& operator= (const stack&);
/// The wrapped container.
S seq_;
};
/// Present a slice of the top of a stack.
template <class T, class S = stack<T> >
class slice
{
public:
slice (const S& stack, unsigned int range)
: stack_ (stack)
, range_ (range)
{
}
inline
const T&
operator [] (unsigned int i) const
{
return stack_[range_ - i];
}
private:
const S& stack_;
unsigned int range_;
};
} // yy
#line 157 "stack.hh" // stack.hh:133
#endif // !YY_YY_STACK_HH_INCLUDED