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86578eccf2
Per-source copyright/license notice headers that spell out copyright holder names and years are hard to maintain and often out-of-date or plain wrong. Precise contributor information is already maintained automatically by the version control tool. Ultimately it is the receiver of a file who is responsible for determining its licensing status, and per-source notices are merely a convenience. Therefore it is simpler and more accurate for each source to have a generic notice of the license name and references to more detailed information on copyright holders and full license terms. Our `Copyright.txt` file now contains a list of Contributors whose names appeared source-level copyright notices. It also references version control history for more precise information. Therefore we no longer need to spell out the list of Contributors in each source file notice. Replace CMake per-source copyright/license notice headers with a short description of the license and links to `Copyright.txt` and online information available from "https://cmake.org/licensing". The online URL also handles cases of modules being copied out of our source into other projects, so we can drop our notices about replacing links with full license text. Run the `Utilities/Scripts/filter-notices.bash` script to perform the majority of the replacements mechanically. Manually fix up shebang lines and trailing newlines in a few files. Manually update the notices in a few files that the script does not handle.
103 lines
2.9 KiB
C++
103 lines
2.9 KiB
C++
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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file Copyright.txt or https://cmake.org/licensing for details. */
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#ifndef cmDependsC_h
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#define cmDependsC_h
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#include <cmConfigure.h>
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#include "cmDepends.h"
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#include <cmsys/RegularExpression.hxx>
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#include <iosfwd>
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#include <map>
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#include <queue>
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#include <set>
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#include <string>
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#include <vector>
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class cmLocalGenerator;
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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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~cmDependsC() CM_OVERRIDE;
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protected:
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// Implement writing/checking methods required by superclass.
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bool WriteDependencies(const std::set<std::string>& sources,
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const std::string& obj, std::ostream& makeDepends,
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std::ostream& internalDepends) CM_OVERRIDE;
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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()
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: Used(false)
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{
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}
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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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