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101 lines
3.2 KiB
C++
101 lines
3.2 KiB
C++
/*=========================================================================
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Program: CMake - Cross-Platform Makefile Generator
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Module: $RCSfile$
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Language: C++
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Date: $Date$
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Version: $Revision$
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Copyright (c) 2002 Kitware, Inc., Insight Consortium. All rights reserved.
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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
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notices for more information.
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=========================================================================*/
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#ifndef cmDependsC_h
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#define cmDependsC_h
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#include "cmDepends.h"
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#include <cmsys/RegularExpression.hxx>
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#include <queue>
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/** \class cmDependsC
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* \brief Dependency scanner for C and C++ object files.
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*/
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class cmDependsC: public cmDepends
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{
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public:
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/** Checking instances need to know the build directory name and the
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relative path from the build directory to the target file. */
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cmDependsC();
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cmDependsC(std::vector<std::string> const& includes,
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const char* scanRegex, const char* complainRegex,
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std::set<cmStdString> const& generatedFiles, const cmStdString& cachFileName);
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/** Virtual destructor to cleanup subclasses properly. */
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virtual ~cmDependsC();
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protected:
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typedef std::vector<char> t_CharBuffer;
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// Implement writing/checking methods required by superclass.
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virtual bool WriteDependencies(const char *src,
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const char *file,
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std::ostream& makeDepends,
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std::ostream& internalDepends);
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// Method to scan a single file.
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void Scan(std::istream& is, const char* directory, const cmStdString& fullName);
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// Method to test for the existence of a file.
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bool FileExistsOrIsGenerated(const std::string& fname,
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std::set<cmStdString>& scanned,
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std::set<cmStdString>& dependencies);
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// The include file search path.
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std::vector<std::string> const* m_IncludePath;
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// Regular expression to identify C preprocessor include directives.
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cmsys::RegularExpression m_IncludeRegexLine;
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// Regular expressions to choose which include files to scan
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// recursively and which to complain about not finding.
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cmsys::RegularExpression m_IncludeRegexScan;
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cmsys::RegularExpression m_IncludeRegexComplain;
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// Set of generated files available.
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std::set<cmStdString> const* m_GeneratedFiles;
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public:
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// Data structures for dependency graph walk.
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struct UnscannedEntry
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{
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cmStdString FileName;
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cmStdString QuotedLocation;
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};
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struct cmIncludeLines
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{
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cmIncludeLines(): m_Used(false) {}
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std::list<UnscannedEntry> m_UnscannedEntries;
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bool m_Used;
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};
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protected:
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std::set<cmStdString> m_Encountered;
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std::queue<UnscannedEntry> m_Unscanned;
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t_CharBuffer m_Buffer;
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std::map<cmStdString, cmIncludeLines *> m_fileCache;
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cmStdString m_cacheFileName;
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void WriteCacheFile() const;
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void ReadCacheFile();
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private:
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cmDependsC(cmDependsC const&); // Purposely not implemented.
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void operator=(cmDependsC const&); // Purposely not implemented.
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};
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#endif
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