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86 lines
2.6 KiB
86 lines
2.6 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 cmGlobVerificationManager_h
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#define cmGlobVerificationManager_h
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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 <string>
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#include <utility>
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#include <vector>
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#include "cmListFileCache.h"
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/** \class cmGlobVerificationManager
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* \brief Class for expressing build-time dependencies on glob expressions.
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*
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* Generates a CMake script which verifies glob outputs during prebuild.
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*
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*/
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class cmGlobVerificationManager
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{
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protected:
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//! Save verification script for given makefile.
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//! Saves to output <path>/<CMakeFilesDirectory>/VerifyGlobs.cmake
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bool SaveVerificationScript(const std::string& path);
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//! Add an entry into the glob cache
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void AddCacheEntry(bool recurse, bool listDirectories, bool followSymlinks,
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const std::string& relative,
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const std::string& expression,
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const std::vector<std::string>& files,
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const std::string& variable,
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const cmListFileBacktrace& bt);
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//! Clear the glob cache for state reset.
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void Reset();
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//! Check targets should be written in generated build system.
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bool DoWriteVerifyTarget() const;
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//! Get the paths to the generated script and stamp files
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std::string const& GetVerifyScript() const { return this->VerifyScript; }
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std::string const& GetVerifyStamp() const { return this->VerifyStamp; }
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private:
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struct CacheEntryKey
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{
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const bool Recurse;
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const bool ListDirectories;
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const bool FollowSymlinks;
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const std::string Relative;
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const std::string Expression;
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CacheEntryKey(const bool rec, const bool l, const bool s, std::string rel,
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std::string e)
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: Recurse(rec)
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, ListDirectories(l)
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, FollowSymlinks(s)
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, Relative(std::move(rel))
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, Expression(std::move(e))
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{
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}
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bool operator<(const CacheEntryKey& r) const;
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void PrintGlobCommand(std::ostream& out, const std::string& cmdVar);
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};
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struct CacheEntryValue
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{
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bool Initialized = false;
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std::vector<std::string> Files;
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std::vector<std::pair<std::string, cmListFileBacktrace>> Backtraces;
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};
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using CacheEntryMap = std::map<CacheEntryKey, CacheEntryValue>;
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CacheEntryMap Cache;
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std::string VerifyScript;
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std::string VerifyStamp;
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// Only cmState should be able to add cache values.
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// cmGlobVerificationManager should never be used directly.
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friend class cmState; // allow access to add cache values
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};
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#endif
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