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a008578dee
This introduces concurrent thread processing in the `_autogen` target wich processes AUTOMOC and AUTOUIC. Source file parsing is distributed among the threads by using a job queue from which the threads pull new parse jobs. Each thread might start an independent ``moc`` or ``uic`` process. Altogether this roughly speeds up the AUTOMOC and AUTOUIC build process by the number of physical CPUs on the host system. The exact number of threads to start in the `_autogen` target is controlled by the new AUTOGEN_PARALLEL target property which is initialized by the new CMAKE_AUTOGEN_PARALLEL variable. If AUTOGEN_PARALLEL is empty or unset (which is the default) the thread count is set to the number of physical CPUs on the host system. The AUTOMOC/AUTOUIC generator and the AUTORCC generator are refactored to use a libuv loop internally. Closes #17422.
102 lines
2.3 KiB
C++
102 lines
2.3 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 cmQtAutoGeneratorRcc_h
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#define cmQtAutoGeneratorRcc_h
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#include "cmConfigure.h" // IWYU pragma: keep
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#include "cmQtAutoGen.h"
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#include "cmQtAutoGenerator.h"
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#include "cm_uv.h"
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#include <string>
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#include <vector>
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class cmMakefile;
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// @brief AUTORCC generator
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class cmQtAutoGeneratorRcc : public cmQtAutoGenerator
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{
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CM_DISABLE_COPY(cmQtAutoGeneratorRcc)
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public:
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cmQtAutoGeneratorRcc();
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~cmQtAutoGeneratorRcc() override;
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private:
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// -- Types
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/// @brief Processing stage
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enum class StageT
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{
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SETTINGS_READ,
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TEST_QRC_RCC_FILES,
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TEST_RESOURCES_READ,
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TEST_RESOURCES,
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TEST_INFO_FILE,
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GENERATE,
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GENERATE_RCC,
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GENERATE_WRAPPER,
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SETTINGS_WRITE,
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FINISH,
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END
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};
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// -- Abstract processing interface
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bool Init(cmMakefile* makefile) override;
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bool Process() override;
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// -- Process stage
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static void UVPollStage(uv_async_t* handle);
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void PollStage();
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void SetStage(StageT stage);
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// -- Settings file
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void SettingsFileRead();
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void SettingsFileWrite();
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// -- Tests
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bool TestQrcRccFiles();
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bool TestResourcesRead();
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bool TestResources();
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void TestInfoFile();
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// -- Generation
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void GenerateParentDir();
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bool GenerateRcc();
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void GenerateWrapper();
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// -- Utility
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bool StartProcess(std::string const& workingDirectory,
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std::vector<std::string> const& command,
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bool mergedOutput);
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private:
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// -- Config settings
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bool SettingsChanged_;
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std::string ConfigSuffix_;
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MultiConfigT MultiConfig_;
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// -- Directories
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std::string AutogenBuildDir_;
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// -- Qt environment
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std::string RccExecutable_;
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std::vector<std::string> RccListOptions_;
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// -- Job
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std::string QrcFile_;
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std::string QrcFileName_;
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std::string QrcFileDir_;
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std::string RccFile_;
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std::string RccFileWrapper_;
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std::string RccFileBuild_;
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std::vector<std::string> Options_;
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std::vector<std::string> Inputs_;
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// -- Subprocess
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ProcessResultT ProcessResult_;
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std::unique_ptr<ReadOnlyProcessT> Process_;
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// -- Settings file
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std::string SettingsFile_;
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std::string SettingsString_;
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// -- libuv loop
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StageT Stage_;
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bool Error_;
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bool Generate_;
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bool BuildFileChanged_;
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};
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#endif
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