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71fbebd1dc
An old workaround for `std::allocator_traits<>::value_type` lints from IWYU on `std::vector<>` usage breaks IWYU's handling of `<memory>`. Convert the workaround to use the same approach we already use for a workaround of `std::__decay_and_strip<>::::__type` lints. Then update the `<memory>` inclusions to follow the now-correct IWYU lints.
87 lines
2.1 KiB
C++
87 lines
2.1 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 cmVariableWatch_h
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#define cmVariableWatch_h
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#include "cmConfigure.h" // IWYU pragma: keep
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#include <map>
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#include <memory>
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#include <string>
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#include <vector>
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class cmMakefile;
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/** \class cmVariableWatch
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* \brief Helper class for watching of variable accesses.
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*
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* Calls function when variable is accessed
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*/
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class cmVariableWatch
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{
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public:
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typedef void (*WatchMethod)(const std::string& variable, int access_type,
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void* client_data, const char* newValue,
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const cmMakefile* mf);
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typedef void (*DeleteData)(void* client_data);
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cmVariableWatch();
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~cmVariableWatch();
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/**
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* Add watch to the variable
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*/
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bool AddWatch(const std::string& variable, WatchMethod method,
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void* client_data = nullptr, DeleteData delete_data = nullptr);
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void RemoveWatch(const std::string& variable, WatchMethod method,
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void* client_data = nullptr);
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/**
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* This method is called when variable is accessed
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*/
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bool VariableAccessed(const std::string& variable, int access_type,
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const char* newValue, const cmMakefile* mf) const;
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/**
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* Different access types.
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*/
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enum
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{
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VARIABLE_READ_ACCESS = 0,
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UNKNOWN_VARIABLE_READ_ACCESS,
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UNKNOWN_VARIABLE_DEFINED_ACCESS,
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VARIABLE_MODIFIED_ACCESS,
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VARIABLE_REMOVED_ACCESS,
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NO_ACCESS
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};
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/**
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* Return the access as string
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*/
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static const char* GetAccessAsString(int access_type);
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protected:
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struct Pair
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{
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WatchMethod Method = nullptr;
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void* ClientData = nullptr;
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DeleteData DeleteDataCall = nullptr;
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~Pair()
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{
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if (this->DeleteDataCall && this->ClientData) {
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this->DeleteDataCall(this->ClientData);
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}
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}
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Pair() = default;
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Pair(const Pair&) = delete;
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Pair& operator=(const Pair&) = delete;
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};
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typedef std::vector<std::shared_ptr<Pair>> VectorOfPairs;
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typedef std::map<std::string, VectorOfPairs> StringToVectorOfPairs;
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StringToVectorOfPairs WatchMap;
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};
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#endif
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