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96afb12087
This converts the CMake license to a pure 3-clause OSI-approved BSD License. We drop the previous license clause requiring modified versions to be plainly marked. We also update the CMake copyright to cover the full development time range.
100 lines
3.2 KiB
C++
100 lines
3.2 KiB
C++
/*============================================================================
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CMake - Cross Platform Makefile Generator
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Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
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Distributed under the OSI-approved BSD License (the "License");
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see accompanying file Copyright.txt for details.
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This software is distributed WITHOUT ANY WARRANTY; without even the
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implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the License 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(cmLocalGenerator* lg, const char* targetDir, const char* lang,
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const std::map<std::string, DependencyVector>* validDeps);
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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,
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const cmStdString& fullName);
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// Regular expression to identify C preprocessor include directives.
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cmsys::RegularExpression 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 IncludeRegexScan;
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cmsys::RegularExpression IncludeRegexComplain;
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std::string IncludeRegexLineString;
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std::string IncludeRegexScanString;
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std::string IncludeRegexComplainString;
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// Regex to transform #include lines.
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std::string IncludeRegexTransformString;
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cmsys::RegularExpression IncludeRegexTransform;
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typedef std::map<cmStdString, cmStdString> TransformRulesType;
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TransformRulesType TransformRules;
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void SetupTransforms();
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void ParseTransform(std::string const& xform);
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void TransformLine(std::string& line);
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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(): Used(false) {}
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std::vector<UnscannedEntry> UnscannedEntries;
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bool Used;
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};
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protected:
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const std::map<std::string, DependencyVector>* ValidDeps;
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std::set<cmStdString> Encountered;
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std::queue<UnscannedEntry> Unscanned;
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t_CharBuffer Buffer;
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std::map<cmStdString, cmIncludeLines *> FileCache;
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std::map<cmStdString, cmStdString> HeaderLocationCache;
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cmStdString 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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