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107 lines
3.3 KiB
C++
107 lines
3.3 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 cmSourceFileLocation_h
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#define cmSourceFileLocation_h
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#include "cmConfigure.h" // IWYU pragma: keep
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#include <string>
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#include "cmSourceFileLocationKind.h"
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class cmMakefile;
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/** \class cmSourceFileLocation
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* \brief cmSourceFileLocation tracks knowledge about a source file location
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*
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* Source files can be referenced by a variety of names. The
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* directory and/or extension may be omitted leading to a certain
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* level of ambiguity about the source file location. This class is
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* used by cmSourceFile to keep track of what is known about the
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* source file location. Each reference may add some information
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* about the directory or extension of the file.
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*/
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class cmSourceFileLocation
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{
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public:
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/**
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* Construct for a source file created in a given cmMakefile
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* instance with an initial name.
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*/
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cmSourceFileLocation(
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cmMakefile const* mf, const std::string& name,
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cmSourceFileLocationKind kind = cmSourceFileLocationKind::Ambiguous);
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cmSourceFileLocation();
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cmSourceFileLocation(const cmSourceFileLocation& loc);
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cmSourceFileLocation& operator=(cmSourceFileLocation const&) = delete;
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/**
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* Return whether the given source file location could refers to the
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* same source file as this location given the level of ambiguity in
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* each location.
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*/
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bool Matches(cmSourceFileLocation const& loc);
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/**
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* Explicitly state that the source file is located in the source tree.
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*/
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void DirectoryUseSource();
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/**
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* Explicitly state that the source file is located in the build tree.
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*/
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void DirectoryUseBinary();
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/**
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* Return whether the directory containing the source is ambiguous.
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*/
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bool DirectoryIsAmbiguous() const { return this->AmbiguousDirectory; }
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/**
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* Return whether the extension of the source name is ambiguous.
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*/
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bool ExtensionIsAmbiguous() const { return this->AmbiguousExtension; }
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/**
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* Get the directory containing the file as best is currently known.
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* If DirectoryIsAmbiguous() returns false this will be a full path.
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* Otherwise it will be a relative path (possibly empty) that is
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* either with respect to the source or build tree.
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*/
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const std::string& GetDirectory() const { return this->Directory; }
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/**
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* Get the file name as best is currently known. If
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* ExtensionIsAmbiguous() returns true this name may not be the
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* final name (but could be). Otherwise the returned name is the
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* final name.
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*/
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const std::string& GetName() const { return this->Name; }
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/**
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* Get the full file path composed of GetDirectory() and GetName().
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*/
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std::string GetFullPath() const;
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/**
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* Get the cmMakefile instance for which the source file was created.
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*/
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cmMakefile const* GetMakefile() const { return this->Makefile; }
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private:
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cmMakefile const* const Makefile = nullptr;
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bool AmbiguousDirectory = true;
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bool AmbiguousExtension = true;
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std::string Directory;
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std::string Name;
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bool MatchesAmbiguousExtension(cmSourceFileLocation const& loc) const;
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// Update the location with additional knowledge.
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void Update(cmSourceFileLocation const& loc);
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void UpdateExtension(const std::string& name);
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};
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#endif
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