/usr/include/scilab/symbol.hxx is in scilab-include 6.0.1-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
* Copyright (C) 2007-2008 - INRIA - Bruno JOFRET
*
* Copyright (C) 2012 - 2016 - Scilab Enterprises
*
* This file is hereby licensed under the terms of the GNU GPL v2.0,
* pursuant to article 5.3.4 of the CeCILL v.2.1.
* This file was originally licensed under the terms of the CeCILL v2.1,
* and continues to be available under such terms.
* For more information, see the COPYING file which you should have received
* along with this program.
*
*/
/**
** \file symbol.hh
** \brief Define class Symbol.
*/
#ifndef SYMBOL_HH
#define SYMBOL_HH
#ifdef _MSC_VER
#pragma warning (disable : 4251)
#endif
#include <set>
#include <list>
#include <string>
#include <iostream>
extern "C"
{
#include "dynlib_ast.h"
}
#define SCOPE_ALL -1
#define SCOPE_GATEWAY 0
#define SCOPE_CONSOLE 1
namespace symbol
{
/** \brief Define class Symbol.
**
** Map any wstring to a unique reference.
** This allows to avoid an "strcmp()" style comparison of strings:
** reference comparison is much faster.
*/
class EXTERN_AST Symbol
{
/** \brief Define the type "set of wstring". */
typedef std::set < std::wstring> string_set_type;
/** \brief Define the type used for the size of wstring set. */
typedef string_set_type::size_type size_type;
/** \name Ctor & Dtor.
** \{ */
public:
/** \brief Construct a Symbol (explicit).
** \param s referenced wstring */
explicit Symbol (const std::wstring &s);
/** \} */
/** \name Accessors.
** \{ */
public:
/** \brief Return the wstring referenced by this Symbol. */
const std::wstring& getName () const;
/** \brief Return the number of referenced strings. */
static size_type getSize ();
/** \brief Return all symbols. */
static wchar_t** getAll ();
/** \} */
/** \name Operators.
** \{ */
public:
/** \brief Compare two Symbol for equality.
** \param rhs Symbol to compare with. */
bool operator== (const Symbol &rhs) const;
/** \brief Compare two Symbol for inequality.
** \param rhs Symbol to compare with. */
bool operator!= (const Symbol &rhs) const;
/** \brief Compare two Symbol for order.
** \param rhs Symbol to compare with. */
bool operator< (const Symbol &rhs) const;
/** \} */
const string_set_type::const_iterator getNode() const
{
return _set_node;
}
private:
/** \brief Static (global to all instance of Symbol) strings container. */
static string_set_type _set;
/** \brief Pointer to the node containing the unique referenced wstring. */
const string_set_type::const_iterator _set_node;
};
/** \brief Intercept output stream redirection.
** \param ostr the destination output stream
** \param the a reference to the symbol to redirect
*/
EXTERN_AST std::wostream& operator<< (std::wostream &ostr, const Symbol &the);
/** Typedef for the list of Symbol */
typedef std::list<const Symbol*> symbols_t;
}
namespace std
{
template<>
struct hash<symbol::Symbol>
{
inline size_t operator()(const symbol::Symbol & sym) const
{
return std::hash<std::wstring>()(sym.getName());
}
};
} // namespace std
#endif // !SYMBOL_HH
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