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bdca8b01d2
#pragma once is a widely supported compiler pragma, even though it is not part of the C++ standard. Many of the issues keeping #pragma once from being standardized (distributed filesystems, build farms, hard links, etc.) do not apply to CMake - it is easy to build CMake on a single machine. CMake also does not install any header files which can be consumed by other projects (though cmCPluginAPI.h has been deliberately omitted from this conversion in case anyone is still using it.) Finally, #pragma once has been required to build CMake since at least August 2017 (7f29bbe6 enabled server mode unconditionally, which had been using #pragma once since September 2016 (b13d3e0d)). The fact that we now require C++11 filters out old compilers, and it is unlikely that there is a compiler which supports C++11 but does not support #pragma once.
38 lines
1.2 KiB
C++
38 lines
1.2 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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#pragma once
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#include "cmConfigure.h" // IWYU pragma: keep
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#include <iosfwd>
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#include <set>
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#include <string>
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#include "cmDepends.h"
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/** \class cmDependsJava
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* \brief Dependency scanner for Java class files.
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*/
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class cmDependsJava : 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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cmDependsJava();
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/** Virtual destructor to cleanup subclasses properly. */
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~cmDependsJava() override;
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cmDependsJava(cmDependsJava const&) = delete;
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cmDependsJava& operator=(cmDependsJava const&) = delete;
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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& file, std::ostream& makeDepends,
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std::ostream& internalDepends) override;
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bool CheckDependencies(std::istream& internalDepends,
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const std::string& internalDependsFileName,
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DependencyMap& validDeps) override;
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};
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