| /*============================================================================ |
| CMake - Cross Platform Makefile Generator |
| Copyright 2000-2009 Kitware, Inc., Insight Software Consortium |
| |
| Distributed under the OSI-approved BSD License (the "License"); |
| see accompanying file Copyright.txt for details. |
| |
| This software is distributed WITHOUT ANY WARRANTY; without even the |
| implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
| See the License 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(cmLocalGenerator* lg, const char* targetDir, |
| const std::string& lang, |
| const std::map<std::string, DependencyVector>* validDeps); |
| |
| /** Virtual destructor to cleanup subclasses properly. */ |
| virtual ~cmDependsC(); |
| |
| protected: |
| // Implement writing/checking methods required by superclass. |
| virtual bool WriteDependencies(const std::set<std::string>& sources, |
| const std::string& obj, |
| std::ostream& makeDepends, |
| std::ostream& internalDepends); |
| |
| // Method to scan a single file. |
| void Scan(std::istream& is, const char* directory, |
| const std::string& fullName); |
| |
| // Regular expression to identify C preprocessor include directives. |
| cmsys::RegularExpression IncludeRegexLine; |
| |
| // Regular expressions to choose which include files to scan |
| // recursively and which to complain about not finding. |
| cmsys::RegularExpression IncludeRegexScan; |
| cmsys::RegularExpression IncludeRegexComplain; |
| std::string IncludeRegexLineString; |
| std::string IncludeRegexScanString; |
| std::string IncludeRegexComplainString; |
| |
| // Regex to transform #include lines. |
| std::string IncludeRegexTransformString; |
| cmsys::RegularExpression IncludeRegexTransform; |
| typedef std::map<std::string, std::string> TransformRulesType; |
| TransformRulesType TransformRules; |
| void SetupTransforms(); |
| void ParseTransform(std::string const& xform); |
| void TransformLine(std::string& line); |
| |
| public: |
| // Data structures for dependency graph walk. |
| struct UnscannedEntry |
| { |
| std::string FileName; |
| std::string QuotedLocation; |
| }; |
| |
| struct cmIncludeLines |
| { |
| cmIncludeLines() |
| : Used(false) |
| { |
| } |
| std::vector<UnscannedEntry> UnscannedEntries; |
| bool Used; |
| }; |
| |
| protected: |
| const std::map<std::string, DependencyVector>* ValidDeps; |
| std::set<std::string> Encountered; |
| std::queue<UnscannedEntry> Unscanned; |
| |
| std::map<std::string, cmIncludeLines*> FileCache; |
| std::map<std::string, std::string> HeaderLocationCache; |
| |
| std::string CacheFileName; |
| |
| void WriteCacheFile() const; |
| void ReadCacheFile(); |
| |
| private: |
| cmDependsC(cmDependsC const&); // Purposely not implemented. |
| void operator=(cmDependsC const&); // Purposely not implemented. |
| }; |
| |
| #endif |