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#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 (7f29bbe6enabled 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.
111 lines
3.5 KiB
C++
111 lines
3.5 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 <memory>
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#include <string>
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#include <vector>
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class cmGlobalGenerator;
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class cmMakefile;
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/** \class cmExternalMakefileProjectGenerator
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* \brief Base class for generators for "External Makefile based IDE projects".
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*
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* cmExternalMakefileProjectGenerator is a base class for generators
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* for "external makefile based projects", i.e. IDE projects which work
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* an already existing makefiles.
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* See cmExtraEclipseCDT4Generator as an example.
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* After the makefiles have been generated by one of the Makefile
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* generators, the Generate() method is called and this generator
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* can iterate over the local generators and/or projects to produce the
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* project files for the IDE.
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*/
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class cmExternalMakefileProjectGenerator
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{
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public:
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virtual ~cmExternalMakefileProjectGenerator() = default;
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virtual void EnableLanguage(std::vector<std::string> const& languages,
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cmMakefile*, bool optional);
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//! set the global generator which will generate the makefiles
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virtual void SetGlobalGenerator(cmGlobalGenerator* generator)
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{
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this->GlobalGenerator = generator;
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}
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//! Return the list of global generators supported by this extra generator
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const std::vector<std::string>& GetSupportedGlobalGenerators() const
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{
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return this->SupportedGlobalGenerators;
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}
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/** Create a full name from the given global generator name and the
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* extra generator name
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*/
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static std::string CreateFullGeneratorName(
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const std::string& globalGenerator, const std::string& extraGenerator);
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//! Generate the project files, the Makefiles have already been generated
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virtual void Generate() = 0;
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void SetName(const std::string& n) { Name = n; }
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std::string GetName() const { return Name; }
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virtual bool Open(const std::string& bindir, const std::string& projectName,
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bool dryRun);
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protected:
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//! Contains the names of the global generators support by this generator.
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std::vector<std::string> SupportedGlobalGenerators;
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//! the global generator which creates the makefiles
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const cmGlobalGenerator* GlobalGenerator = nullptr;
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std::string Name;
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};
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class cmExternalMakefileProjectGeneratorFactory
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{
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public:
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cmExternalMakefileProjectGeneratorFactory(std::string n, std::string doc);
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virtual ~cmExternalMakefileProjectGeneratorFactory();
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std::string GetName() const;
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std::string GetDocumentation() const;
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std::vector<std::string> GetSupportedGlobalGenerators() const;
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std::vector<std::string> Aliases;
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virtual std::unique_ptr<cmExternalMakefileProjectGenerator>
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CreateExternalMakefileProjectGenerator() const = 0;
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void AddSupportedGlobalGenerator(const std::string& base);
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private:
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std::string Name;
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std::string Documentation;
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std::vector<std::string> SupportedGlobalGenerators;
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};
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template <class T>
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class cmExternalMakefileProjectGeneratorSimpleFactory
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: public cmExternalMakefileProjectGeneratorFactory
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{
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public:
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cmExternalMakefileProjectGeneratorSimpleFactory(const std::string& n,
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const std::string& doc)
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: cmExternalMakefileProjectGeneratorFactory(n, doc)
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{
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}
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std::unique_ptr<cmExternalMakefileProjectGenerator>
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CreateExternalMakefileProjectGenerator() const override
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{
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std::unique_ptr<cmExternalMakefileProjectGenerator> p(new T);
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p->SetName(GetName());
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return p;
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}
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};
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