| /*========================================================================= |
| |
| 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, |
| const cmStdString& cachFileName); |
| |
| /** Virtual destructor to cleanup subclasses properly. */ |
| virtual ~cmDependsC(); |
| |
| protected: |
| typedef std::vector<char> t_CharBuffer; |
| |
| // Implement writing/checking methods required by superclass. |
| virtual bool WriteDependencies(const char *src, |
| const char *file, |
| std::ostream& makeDepends, |
| std::ostream& internalDepends); |
| |
| // Method to scan a single file. |
| void Scan(std::istream& is, const char* directory, |
| const cmStdString& fullName); |
| |
| // The include file search path. |
| std::vector<std::string> const* IncludePath; |
| |
| // 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; |
| |
| public: |
| // Data structures for dependency graph walk. |
| struct UnscannedEntry |
| { |
| cmStdString FileName; |
| cmStdString QuotedLocation; |
| }; |
| |
| struct cmIncludeLines |
| { |
| cmIncludeLines(): Used(false) {} |
| std::vector<UnscannedEntry> UnscannedEntries; |
| bool Used; |
| }; |
| protected: |
| std::set<cmStdString> Encountered; |
| std::queue<UnscannedEntry> Unscanned; |
| t_CharBuffer Buffer; |
| |
| std::map<cmStdString, cmIncludeLines *> FileCache; |
| std::map<cmStdString, cmStdString> HeaderLocationCache; |
| |
| cmStdString CacheFileName; |
| |
| void WriteCacheFile() const; |
| void ReadCacheFile(); |
| private: |
| cmDependsC(cmDependsC const&); // Purposely not implemented. |
| void operator=(cmDependsC const&); // Purposely not implemented. |
| }; |
| |
| #endif |