/usr/include/muparserx/mpStack.h is in libmuparserx-dev 4.0.7+dfsg-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 | #ifndef MUP_STACK_H
#define MUP_STACK_H
/*
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_____ __ _\______ \_____ _______ ______ __________\ \/ /
/ \| | \ ___/\__ \\_ __ \/ ___// __ \_ __ \ /
| Y Y \ | / | / __ \| | \/\___ \\ ___/| | \/ \
|__|_| /____/|____| (____ /__| /____ >\___ >__| /___/\ \
\/ \/ \/ \/ \_/
Copyright (C) 2016, Ingo Berg
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
*/
#include <cassert>
#include <string>
#include <vector>
#include "mpError.h"
MUP_NAMESPACE_START
/** \brief Parser stack implementation.
Stack implementation based on a std::stack. The behaviour of pop() had been
slightly changed in order to get an error code if the stack is empty.
The stack is used within the Parser both as a value stack and as an operator stack.
\author (C) 2010 Ingo Berg
*/
template <typename TVal, typename TCont = std::vector<TVal> >
class Stack
{
private:
/** \brief Type of the underlying container. */
typedef TCont cont_type;
cont_type m_Cont;
public:
typedef TVal value_type;
//---------------------------------------------------------------------------
Stack()
:m_Cont()
{}
//---------------------------------------------------------------------------
virtual ~Stack()
{
m_Cont.clear();
}
//---------------------------------------------------------------------------
void clear()
{
m_Cont.clear();
}
//---------------------------------------------------------------------------
/** \brief Pop a value from the stack.
Unlike the standard implementation this function will return the value that
is going to be taken from the stack.
\throw ParserException in case the stack is empty.
\sa pop(int &a_iErrc)
*/
value_type pop()
{
if (empty())
throw ParserError(_T("stack is empty."));
value_type el = top();
m_Cont.pop_back();
return el;
}
//---------------------------------------------------------------------------
void pop(unsigned a_iNum)
{
for (unsigned i=0; i<a_iNum; ++i)
m_Cont.pop_back();
}
//---------------------------------------------------------------------------
/** \brief Push an object into the stack.
\param a_Val object to push into the stack.
\throw nothrow
*/
void push(const value_type& a_Val)
{
m_Cont.push_back(a_Val);
}
//---------------------------------------------------------------------------
/** \brief Return the number of stored elements. */
unsigned size() const
{
return (unsigned)m_Cont.size();
}
//---------------------------------------------------------------------------
/** \brief Returns true if stack is empty false otherwise. */
bool empty() const
{
return m_Cont.empty();
}
//---------------------------------------------------------------------------
/** \brief Return reference to the top object in the stack.
The top object is the one pushed most recently.
*/
value_type& top()
{
return m_Cont.back();
}
//---------------------------------------------------------------------------
value_type* get_data()
{
return &m_Cont[0];
}
//---------------------------------------------------------------------------
const value_type* get_data() const
{
return &m_Cont[0];
}
};
} // namespace mu
#endif
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