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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.
102 lines
2.8 KiB
C++
102 lines
2.8 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 <string>
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#include "cmGlobalVisualStudioGenerator.h"
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#include "cmIDEFlagTable.h"
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#include "cmIDEOptions.h"
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class cmLocalVisualStudioGenerator;
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class cmGeneratorTarget;
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using cmVS7FlagTable = cmIDEFlagTable;
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class cmVisualStudioGeneratorOptions : public cmIDEOptions
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{
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public:
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// Construct an options table for a given tool.
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enum Tool
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{
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Compiler,
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ResourceCompiler,
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CudaCompiler,
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MasmCompiler,
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NasmCompiler,
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Linker,
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FortranCompiler,
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CSharpCompiler
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};
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cmVisualStudioGeneratorOptions(cmLocalVisualStudioGenerator* lg, Tool tool,
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cmVS7FlagTable const* table = nullptr,
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cmVS7FlagTable const* extraTable = nullptr);
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// Add a table of flags.
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void AddTable(cmVS7FlagTable const* table);
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// Clear the flag tables.
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void ClearTables();
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// Store options from command line flags.
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void Parse(const std::string& flags);
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void ParseFinish();
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void PrependInheritedString(std::string const& key);
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// Parse the content of the given flag table entry again to extract
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// known flags and leave the rest in the original entry.
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void Reparse(std::string const& key);
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// Fix the ExceptionHandling option to default to off.
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void FixExceptionHandlingDefault();
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// Store options for verbose builds.
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void SetVerboseMakefile(bool verbose);
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// Check for specific options.
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bool UsingUnicode() const;
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bool UsingSBCS() const;
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void FixCudaCodeGeneration();
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void FixManifestUACFlags();
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bool IsDebug() const;
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bool IsWinRt() const;
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bool IsManaged() const;
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// Write options to output.
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void OutputPreprocessorDefinitions(std::ostream& fout, int indent,
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const std::string& lang);
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void OutputAdditionalIncludeDirectories(std::ostream& fout, int indent,
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const std::string& lang);
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void OutputFlagMap(std::ostream& fout, int indent);
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void SetConfiguration(const std::string& config);
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const std::string& GetConfiguration() const;
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protected:
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virtual void OutputFlag(std::ostream& fout, int indent,
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const std::string& tag,
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const std::string& content) = 0;
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private:
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cmLocalVisualStudioGenerator* LocalGenerator;
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cmGlobalVisualStudioGenerator::VSVersion Version;
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std::string Configuration;
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Tool CurrentTool;
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bool FortranRuntimeDebug;
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bool FortranRuntimeDLL;
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bool FortranRuntimeMT;
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std::string UnknownFlagField;
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void StoreUnknownFlag(std::string const& flag) override;
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FlagValue TakeFlag(std::string const& key);
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};
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