1772622772
``` git grep -lz 'Copyright.txt or https://cmake.org/licensing ' | while IFS= read -r -d $'\0' f ; do sed -i '/Copyright.txt or https:\/\/cmake.org\/licensing / { s/Copyright.txt/LICENSE.rst/ }' "$f" ; done ```
113 lines
3.8 KiB
C++
113 lines
3.8 KiB
C++
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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file LICENSE.rst or https://cmake.org/licensing for details. */
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#pragma once
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#include "cmConfigure.h" // IWYU pragma: keep
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#include <iosfwd>
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#include <map>
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#include <set>
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#include <string>
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#include <vector>
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class cmFileTimeCache;
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class cmLocalUnixMakefileGenerator3;
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/** \class cmDepends
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* \brief Dependency scanner superclass.
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*
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* This class is responsible for maintaining a .depends.make file in
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* the build tree corresponding to an object file. Subclasses help it
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* maintain dependencies for particular languages.
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*/
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class cmDepends
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{
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public:
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using DependencyMap = std::map<std::string, std::vector<std::string>>;
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/** Instances need to know the build directory name and the relative
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path from the build directory to the target file. */
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cmDepends(cmLocalUnixMakefileGenerator3* lg = nullptr,
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std::string targetDir = "");
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cmDepends(cmDepends const&) = delete;
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cmDepends& operator=(cmDepends const&) = delete;
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/** Set the local generator for the directory in which we are
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scanning dependencies. This is not a full local generator; it
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has been setup to do relative path conversions for the current
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directory. */
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void SetLocalGenerator(cmLocalUnixMakefileGenerator3* lg)
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{
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this->LocalGenerator = lg;
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}
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/** Set the specific language to be scanned. */
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void SetLanguage(std::string const& lang) { this->Language = lang; }
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/** Set the target build directory. */
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void SetTargetDirectory(std::string const& dir)
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{
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this->TargetDirectory = dir;
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}
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/** should this be verbose in its output */
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void SetVerbose(bool verb) { this->Verbose = verb; }
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/** Virtual destructor to cleanup subclasses properly. */
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virtual ~cmDepends();
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/** Write dependencies for the target file. */
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bool Write(std::ostream& makeDepends, std::ostream& internalDepends);
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/** Check dependencies for the target file. Returns true if
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dependencies are okay and false if they must be generated. If
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they must be generated Clear has already been called to wipe out
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the old dependencies.
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Dependencies which are still valid will be stored in validDeps. */
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bool Check(std::string const& makeFile, std::string const& internalFile,
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DependencyMap& validDeps);
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/** Clear dependencies for the target file so they will be regenerated. */
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void Clear(std::string const& file) const;
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/** Set the file comparison object */
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void SetFileTimeCache(cmFileTimeCache* fc) { this->FileTimeCache = fc; }
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protected:
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// Write dependencies for the target file to the given stream.
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// Return true for success and false for failure.
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virtual bool WriteDependencies(std::set<std::string> const& sources,
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std::string const& obj,
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std::ostream& makeDepends,
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std::ostream& internalDepends);
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// Check dependencies for the target file in the given stream.
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// Return false if dependencies must be regenerated and true
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// otherwise.
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virtual bool CheckDependencies(std::istream& internalDepends,
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std::string const& internalDependsFileName,
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DependencyMap& validDeps);
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// Finalize the dependency information for the target.
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virtual bool Finalize(std::ostream& makeDepends,
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std::ostream& internalDepends);
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// The local generator.
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cmLocalUnixMakefileGenerator3* LocalGenerator;
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// Flag for verbose output.
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bool Verbose = false;
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cmFileTimeCache* FileTimeCache = nullptr;
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std::string Language;
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// The full path to the target's build directory.
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std::string TargetDirectory;
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// The include file search path.
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std::vector<std::string> IncludePath;
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void SetIncludePathFromLanguage(std::string const& lang);
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};
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