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/*=========================================================================
Program: CMake - Cross-Platform Makefile Generator
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.
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.
=========================================================================*/
#ifndef cmDependsC_h
#define cmDependsC_h
#include "cmDepends.h"
#include <cmsys/RegularExpression.hxx>
#include <queue>
/** \class cmDependsC
* \brief Dependency scanner for C and C++ object files.
*/
class cmDependsC: public cmDepends
{
public:
/** Checking instances need to know the build directory name and the
relative path from the build directory to the target file. */
cmDependsC();
cmDependsC(std::vector<std::string> const& includes,
const char* scanRegex, const char* complainRegex);
/** Virtual destructor to cleanup subclasses properly. */
virtual ~cmDependsC();
protected:
// Implement writing/checking methods required by superclass.
virtual bool WriteDependencies(const char *src,
const char *file, std::ostream& os);
virtual bool CheckDependencies(std::istream& is);
// Method to scan a single file.
void Scan(std::istream& is, const char* directory);
// Method to parse a single dependency line.
bool ParseDependency(const char* line, std::string& depender,
std::string& dependee);
const char* ParseFileName(const char* in, std::string& name);
// The include file search path.
std::vector<std::string> const* m_IncludePath;
// Regular expression to identify C preprocessor include directives.
cmsys::RegularExpression m_IncludeRegexLine;
// Regular expressions to choose which include files to scan
// recursively and which to complain about not finding.
cmsys::RegularExpression m_IncludeRegexScan;
cmsys::RegularExpression m_IncludeRegexComplain;
// Data structures for dependency graph walk.
struct UnscannedEntry
{
cmStdString FileName;
cmStdString QuotedLocation;
};
std::set<cmStdString> m_Encountered;
std::queue<UnscannedEntry> m_Unscanned;
private:
cmDependsC(cmDependsC const&); // Purposely not implemented.
void operator=(cmDependsC const&); // Purposely not implemented.
};
#endif
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