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c688b401d3
Provide a standardized way to handle the C++ "standard" headers
customized to be used with current CMake C++ standard constraints.
Offer under directory `cm` headers which can be used as direct
replacements of the standard ones. For example:
#include <cm/string_view>
can be used safely for CMake development in place of the `<string_view>`
standard header.
Fixes: #19491
93 lines
2.7 KiB
C++
93 lines
2.7 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 cmStateSnapshot_h
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#define cmStateSnapshot_h
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#include "cmConfigure.h" // IWYU pragma: keep
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#include <string>
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#include <vector>
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#include <cm/string_view>
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#include "cmLinkedTree.h"
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#include "cmPolicies.h"
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#include "cmStateTypes.h"
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class cmState;
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class cmStateDirectory;
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class cmStateSnapshot
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{
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public:
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cmStateSnapshot(cmState* state = nullptr);
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cmStateSnapshot(cmState* state, cmStateDetail::PositionType position);
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std::string const* GetDefinition(std::string const& name) const;
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bool IsInitialized(std::string const& name) const;
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void SetDefinition(std::string const& name, cm::string_view value);
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void RemoveDefinition(std::string const& name);
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std::vector<std::string> UnusedKeys() const;
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std::vector<std::string> ClosureKeys() const;
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bool RaiseScope(std::string const& var, const char* varDef);
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void SetListFile(std::string const& listfile);
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std::string GetExecutionListFile() const;
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std::vector<cmStateSnapshot> GetChildren();
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bool IsValid() const;
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cmStateSnapshot GetBuildsystemDirectory() const;
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cmStateSnapshot GetBuildsystemDirectoryParent() const;
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cmStateSnapshot GetCallStackParent() const;
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cmStateSnapshot GetCallStackBottom() const;
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cmStateEnums::SnapshotType GetType() const;
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void SetPolicy(cmPolicies::PolicyID id, cmPolicies::PolicyStatus status);
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cmPolicies::PolicyStatus GetPolicy(cmPolicies::PolicyID id,
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bool parent_scope = false) const;
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bool HasDefinedPolicyCMP0011();
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void PushPolicy(cmPolicies::PolicyMap const& entry, bool weak);
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bool PopPolicy();
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bool CanPopPolicyScope();
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cmState* GetState() const;
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cmStateDirectory GetDirectory() const;
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void SetProjectName(std::string const& name);
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std::string GetProjectName() const;
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void InitializeFromParent_ForSubdirsCommand();
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struct StrictWeakOrder
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{
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bool operator()(const cmStateSnapshot& lhs,
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const cmStateSnapshot& rhs) const;
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};
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void SetDirectoryDefinitions();
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void SetDefaultDefinitions();
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private:
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friend bool operator==(const cmStateSnapshot& lhs,
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const cmStateSnapshot& rhs);
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friend bool operator!=(const cmStateSnapshot& lhs,
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const cmStateSnapshot& rhs);
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friend class cmState;
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friend class cmStateDirectory;
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friend struct StrictWeakOrder;
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void InitializeFromParent();
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cmState* State;
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cmStateDetail::PositionType Position;
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};
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bool operator==(const cmStateSnapshot& lhs, const cmStateSnapshot& rhs);
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bool operator!=(const cmStateSnapshot& lhs, const cmStateSnapshot& rhs);
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#endif
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