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/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
#pragma once
#include "cmConfigure.h" // IWYU pragma: keep
#include <string>
#include <vector>
#include <cm/string_view>
#include "cmLinkedTree.h"
#include "cmPolicies.h"
#include "cmStateTypes.h"
#include "cmValue.h"
class cmState;
class cmStateDirectory;
class cmStateSnapshot
{
public:
cmStateSnapshot(cmState* state = nullptr);
cmStateSnapshot(cmState* state, cmStateDetail::PositionType position);
cmValue GetDefinition(std::string const& name) const;
bool IsInitialized(std::string const& name) const;
void SetDefinition(std::string const& name, cm::string_view value);
void RemoveDefinition(std::string const& name);
std::vector<std::string> ClosureKeys() const;
bool RaiseScope(std::string const& var, const char* varDef);
void SetListFile(std::string const& listfile);
std::string const& GetExecutionListFile() const;
std::vector<cmStateSnapshot> GetChildren();
bool IsValid() const;
cmStateSnapshot GetBuildsystemDirectory() const;
cmStateSnapshot GetBuildsystemDirectoryParent() const;
cmStateSnapshot GetCallStackParent() const;
cmStateSnapshot GetCallStackBottom() const;
cmStateEnums::SnapshotType GetType() const;
void SetPolicy(cmPolicies::PolicyID id, cmPolicies::PolicyStatus status);
cmPolicies::PolicyStatus GetPolicy(cmPolicies::PolicyID id,
bool parent_scope = false) const;
bool HasDefinedPolicyCMP0011();
void PushPolicy(cmPolicies::PolicyMap const& entry, bool weak);
bool PopPolicy();
bool CanPopPolicyScope();
cmState* GetState() const;
cmStateDirectory GetDirectory() const;
void SetProjectName(std::string const& name);
std::string GetProjectName() const;
void InitializeFromParent_ForSubdirsCommand();
struct StrictWeakOrder
{
bool operator()(const cmStateSnapshot& lhs,
const cmStateSnapshot& rhs) const;
};
void SetDirectoryDefinitions();
void SetDefaultDefinitions();
private:
friend bool operator==(const cmStateSnapshot& lhs,
const cmStateSnapshot& rhs);
friend bool operator!=(const cmStateSnapshot& lhs,
const cmStateSnapshot& rhs);
friend class cmState;
friend class cmStateDirectory;
friend struct StrictWeakOrder;
void InitializeFromParent();
cmState* State;
cmStateDetail::PositionType Position;
};
bool operator==(const cmStateSnapshot& lhs, const cmStateSnapshot& rhs);
bool operator!=(const cmStateSnapshot& lhs, const cmStateSnapshot& rhs);
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