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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.
114 lines
3.3 KiB
C++
114 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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#pragma once
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#include "cmConfigure.h" // IWYU pragma: keep
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#include <map>
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#include <string>
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#include <vector>
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struct cmIDEFlagTable;
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/** \class cmIDEOptions
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* \brief Superclass for IDE option processing
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*/
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class cmIDEOptions
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{
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public:
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cmIDEOptions();
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virtual ~cmIDEOptions();
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// Store definitions, includes and flags.
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void AddDefine(const std::string& define);
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void AddDefines(std::string const& defines);
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void AddDefines(const std::vector<std::string>& defines);
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std::vector<std::string> const& GetDefines() const;
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void AddInclude(const std::string& includes);
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void AddIncludes(std::string const& includes);
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void AddIncludes(const std::vector<std::string>& includes);
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std::vector<std::string> const& GetIncludes() const;
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void AddFlag(std::string const& flag, std::string const& value);
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void AddFlag(std::string const& flag, std::vector<std::string> const& value);
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void AppendFlag(std::string const& flag, std::string const& value);
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void AppendFlag(std::string const& flag,
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std::vector<std::string> const& value);
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void AppendFlagString(std::string const& flag, std::string const& value);
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void RemoveFlag(std::string const& flag);
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bool HasFlag(std::string const& flag) const;
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const char* GetFlag(std::string const& flag) const;
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protected:
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// create a map of xml tags to the values they should have in the output
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// for example, "BufferSecurityCheck" = "TRUE"
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// first fill this table with the values for the configuration
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// Debug, Release, etc,
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// Then parse the command line flags specified in CMAKE_CXX_FLAGS
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// and CMAKE_C_FLAGS
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// and overwrite or add new values to this map
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class FlagValue : public std::vector<std::string>
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{
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using derived = std::vector<std::string>;
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public:
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FlagValue& operator=(std::string const& r)
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{
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this->resize(1);
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this->operator[](0) = r;
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return *this;
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}
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FlagValue& operator=(std::vector<std::string> const& r)
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{
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this->derived::operator=(r);
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return *this;
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}
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FlagValue& append_with_comma(std::string const& r)
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{
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return append_with_separator(r, ',');
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}
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FlagValue& append_with_space(std::string const& r)
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{
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return append_with_separator(r, ' ');
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}
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private:
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FlagValue& append_with_separator(std::string const& r, char separator)
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{
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this->resize(1);
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std::string& l = this->operator[](0);
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if (!l.empty()) {
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l += separator;
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}
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l += r;
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return *this;
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}
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};
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std::map<std::string, FlagValue> FlagMap;
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// Preprocessor definitions.
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std::vector<std::string> Defines;
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// Include directories.
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std::vector<std::string> Includes;
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bool DoingDefine;
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bool AllowDefine;
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bool DoingInclude;
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bool AllowInclude;
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bool AllowSlash;
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cmIDEFlagTable const* DoingFollowing;
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enum
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{
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FlagTableCount = 16
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};
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cmIDEFlagTable const* FlagTable[FlagTableCount];
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void HandleFlag(std::string const& flag);
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bool CheckFlagTable(cmIDEFlagTable const* table, std::string const& flag,
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bool& flag_handled);
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void FlagMapUpdate(cmIDEFlagTable const* entry,
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std::string const& new_value);
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virtual void StoreUnknownFlag(std::string const& flag) = 0;
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};
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