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98 lines
3.4 KiB
98 lines
3.4 KiB
/* 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 cmOrderDirectories_h
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#define cmOrderDirectories_h
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#include "cmConfigure.h" // IWYU pragma: keep
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#include <map>
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#include <set>
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#include <string>
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#include <utility>
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#include <vector>
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#include "cmsys/RegularExpression.hxx"
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class cmGeneratorTarget;
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class cmGlobalGenerator;
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class cmOrderDirectoriesConstraint;
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/** \class cmOrderDirectories
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* \brief Compute a safe runtime path order for a set of shared libraries.
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*/
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class cmOrderDirectories
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{
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public:
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cmOrderDirectories(cmGlobalGenerator* gg, cmGeneratorTarget const* target,
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const char* purpose);
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~cmOrderDirectories();
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cmOrderDirectories(const cmOrderDirectories&) = delete;
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cmOrderDirectories& operator=(const cmOrderDirectories&) = delete;
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void AddRuntimeLibrary(std::string const& fullPath,
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const char* soname = nullptr);
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void AddLinkLibrary(std::string const& fullPath);
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void AddUserDirectories(std::vector<std::string> const& extra);
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void AddLanguageDirectories(std::vector<std::string> const& dirs);
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void SetImplicitDirectories(std::set<std::string> const& implicitDirs);
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void SetLinkExtensionInfo(std::vector<std::string> const& linkExtensions,
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std::string const& removeExtRegex);
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std::vector<std::string> const& GetOrderedDirectories();
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private:
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cmGlobalGenerator* GlobalGenerator;
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cmGeneratorTarget const* Target;
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std::string Purpose;
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std::vector<std::string> OrderedDirectories;
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std::vector<cmOrderDirectoriesConstraint*> ConstraintEntries;
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std::vector<cmOrderDirectoriesConstraint*> ImplicitDirEntries;
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std::vector<std::string> UserDirectories;
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std::vector<std::string> LanguageDirectories;
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cmsys::RegularExpression RemoveLibraryExtension;
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std::vector<std::string> LinkExtensions;
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std::set<std::string> ImplicitDirectories;
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std::set<std::string> EmmittedConstraintSOName;
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std::set<std::string> EmmittedConstraintLibrary;
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std::vector<std::string> OriginalDirectories;
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std::map<std::string, int> DirectoryIndex;
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std::vector<int> DirectoryVisited;
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void CollectOriginalDirectories();
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int AddOriginalDirectory(std::string const& dir);
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void AddOriginalDirectories(std::vector<std::string> const& dirs);
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void FindConflicts();
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void FindImplicitConflicts();
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void OrderDirectories();
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void VisitDirectory(unsigned int i);
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void DiagnoseCycle();
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int WalkId;
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bool CycleDiagnosed;
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bool Computed;
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// Adjacency-list representation of runtime path ordering graph.
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// This maps from directory to those that must come *before* it.
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// Each entry that must come before is a pair. The first element is
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// the index of the directory that must come first. The second
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// element is the index of the runtime library that added the
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// constraint.
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using ConflictPair = std::pair<int, int>;
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struct ConflictList : public std::vector<ConflictPair>
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{
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};
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std::vector<ConflictList> ConflictGraph;
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// Compare directories after resolving symlinks.
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bool IsSameDirectory(std::string const& l, std::string const& r);
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bool IsImplicitDirectory(std::string const& dir);
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std::string const& GetRealPath(std::string const& dir);
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std::map<std::string, std::string> RealPaths;
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friend class cmOrderDirectoriesConstraint;
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friend class cmOrderDirectoriesConstraintLibrary;
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};
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#endif
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