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98 lines
3.2 KiB
98 lines
3.2 KiB
/*============================================================================
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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,
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const std::string& 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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// Implement writing/checking methods required by superclass.
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virtual bool WriteDependencies(const std::set<std::string>& sources,
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const std::string& obj,
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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 std::string& 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<std::string, std::string> 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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std::string FileName;
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std::string 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<std::string> Encountered;
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std::queue<UnscannedEntry> Unscanned;
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std::map<std::string, cmIncludeLines *> FileCache;
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std::map<std::string, std::string> HeaderLocationCache;
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std::string 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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