CMake/Source/cmStandardIncludes.h

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/*=========================================================================
Program: CMake - Cross-Platform Makefile Generator
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Module: $RCSfile$
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) 2002 Kitware, Inc., Insight Consortium. All rights reserved.
See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
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=========================================================================*/
/**
* Include header files as a function of the build process, compiler,
* and operating system.
*/
#ifndef cmStandardIncludes_h
#define cmStandardIncludes_h
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// include configure generated header to define
// CMAKE_NO_ANSI_STREAM_HEADERS and CMAKE_NO_STD_NAMESPACE
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#if defined(CMAKE_HAS_AUTOCONF) || defined(CMAKE_BUILD_WITH_CMAKE)
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#include "cmConfigure.h"
#endif
#ifdef _MSC_VER
#pragma warning ( disable : 4786 )
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#pragma warning ( disable : 4503 )
#define CMAKE_NO_ANSI_FOR_SCOPE
#endif
#ifdef __ICL
#pragma warning ( disable : 985 )
#endif
#ifndef CMAKE_NO_ANSI_STREAM_HEADERS
# include <fstream>
# include <iostream>
#else
# include <fstream.h>
# include <iostream.h>
#endif
#if !defined(CMAKE_NO_ANSI_STRING_STREAM)
# include <sstream>
#elif !defined(CMAKE_NO_ANSI_STREAM_HEADERS)
# include <strstream>
#else
# include <strstream.h>
#endif
// we must have stl with the standard include style
#include <vector>
#include <string>
#include <iterator>
#include <algorithm>
#include <functional>
#include <map>
#include <list>
#include <set>
// include the "c" string header
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#include <string.h>
#if !defined(_WIN32) && defined(__COMO__)
// Hack for como strict mode to avoid defining _SVID_SOURCE or _BSD_SOURCE.
extern "C"
{
extern FILE *popen (__const char *__command, __const char *__modes) __THROW;
extern int pclose (FILE *__stream) __THROW;
extern char *realpath (__const char *__restrict __name,
char *__restrict __resolved) __THROW;
extern char *strdup (__const char *__s) __THROW;
extern int putenv (char *__string) __THROW;
}
#endif
// if std:: is not supported, then just #define it away
#ifdef CMAKE_NO_STD_NAMESPACE
#define std
#endif
// if the compiler does not support ansi for scoping of vars use a
// #define hack
#ifdef CMAKE_NO_ANSI_FOR_SCOPE
#define for if(false) {} else for
#endif
// check for the 720 compiler on the SGI
// which has some strange properties that I don't think are worth
// checking for in a general way in configure
#if defined(__sgi) && !defined(__GNUC__)
# if (_COMPILER_VERSION >= 730)
# define CM_SGI_CC_730
# elif (_COMPILER_VERSION >= 720)
# define CM_HAS_STD_BUT_NOT_FOR_IOSTREAM
# endif
#endif
#ifdef __DECCXX_VER
# if __DECCXX_VER <= 60390008
# define CM_HAS_STD_BUT_NOT_FOR_IOSTREAM
# endif
#endif
#ifdef CM_HAS_STD_BUT_NOT_FOR_IOSTREAM
// some compilers have std:: but not for the stream library,
// so we have to bring it into the std namespace by hand.
namespace std {
using ::ostream;
using ::istream;
using ::ios;
using ::cout;
using ::cerr;
using ::cin;
using ::ifstream;
using ::ofstream;
#if !defined(CMAKE_NO_ANSI_STRING_STREAM)
using ::ostringstream;
using ::istringstream;
#else
using ::ostrstream;
using ::istrstream;
#endif
using ::endl;
using ::ends;
using ::flush;
}
// The string class is missing these operators so add them
inline bool operator!=(std::string const& a, const char* b)
{ return !(a==std::string(b)); }
inline bool operator==(std::string const& a, const char* b)
{ return (a==std::string(b)); }
# endif // end CM_SGI_CC_720
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// use this class to shrink the size of symbols in .o files
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// std::string is really basic_string<....lots of stuff....>
// when combined with a map or set, the symbols can be > 2000 chars!
struct cmStdString : public std::string
{
typedef std::string StdString;
typedef StdString::value_type value_type;
typedef StdString::pointer pointer;
typedef StdString::reference reference;
typedef StdString::const_reference const_reference;
typedef StdString::size_type size_type;
typedef StdString::difference_type difference_type;
typedef StdString::iterator iterator;
typedef StdString::const_iterator const_iterator;
typedef StdString::reverse_iterator reverse_iterator;
typedef StdString::const_reverse_iterator const_reverse_iterator;
cmStdString(): StdString() {}
cmStdString(const value_type* s): StdString(s) {}
cmStdString(const value_type* s, size_type n): StdString(s, n) {}
cmStdString(const StdString& s, size_type pos=0, size_type n=npos):
StdString(s, pos, n) {}
};
// Define cmOStringStream and cmIStringStream wrappers to hide
// differences between std::stringstream and the old strstream.
#if !defined(CMAKE_NO_ANSI_STRING_STREAM)
class cmOStringStream: public std::ostringstream
{
public:
cmOStringStream() {}
private:
cmOStringStream(const cmOStringStream&);
void operator=(const cmOStringStream&);
};
class cmIStringStream: public std::istringstream
{
public:
typedef std::istringstream Superclass;
cmIStringStream() {}
cmIStringStream(const std::string& s): Superclass(s) {}
private:
cmIStringStream(const cmIStringStream&);
void operator=(const cmIStringStream&);
};
#else
class cmOStrStreamCleanup
{
public:
cmOStrStreamCleanup(std::ostrstream& ostr): m_OStrStream(ostr) {}
~cmOStrStreamCleanup() { m_OStrStream.rdbuf()->freeze(0); }
static void IgnoreUnusedVariable(const cmOStrStreamCleanup&) {}
protected:
std::ostrstream& m_OStrStream;
};
class cmOStringStream: public std::ostrstream
{
public:
typedef std::ostrstream Superclass;
cmOStringStream() {}
std::string str()
{
cmOStrStreamCleanup cleanup(*this);
cmOStrStreamCleanup::IgnoreUnusedVariable(cleanup);
int pcount = this->pcount();
const char* ptr = this->Superclass::str();
return std::string(ptr?ptr:"", pcount);
}
private:
cmOStringStream(const cmOStringStream&);
void operator=(const cmOStringStream&);
};
class cmIStringStream: private std::string, public std::istrstream
{
public:
typedef std::string StdString;
typedef std::istrstream IStrStream;
cmIStringStream(): StdString(), IStrStream(this->StdString::c_str()) {}
cmIStringStream(const std::string& s):
StdString(s), IStrStream(this->StdString::c_str()) {}
std::string str() const { return *this; }
void str(const std::string& s)
{
// Very dangerous. If this throws, the object is hosed. When the
// destructor is later called, the program is hosed too.
this->~cmIStringStream();
new (this) cmIStringStream(s);
}
private:
cmIStringStream(const cmIStringStream&);
void operator=(const cmIStringStream&);
};
#endif
#endif