cmState: Split auxiliary classes into separate files

Port dependents to the new locations as needed.

Leave behind a cmState.h include in cmListFileCache to reduce noise. It
is removed in a following commit.

1 files changed, 88 insertions, 0 deletions

diff --git a/Source/cmStateSnapshot.h b/Source/cmStateSnapshot.h
new file mode 100644
index 0000000..63b581d
--- /dev/null
+++ b/Source/cmStateSnapshot.h
@@ -0,0 +1,88 @@
+/* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
+   file Copyright.txt or https://cmake.org/licensing for details.  */
+
+#ifndef cmStateSnapshot_h
+#define cmStateSnapshot_h
+
+#include <cmConfigure.h> // IWYU pragma: keep
+
+#include <map>
+#include <string>
+#include <vector>
+
+#include "cmPolicies.h"
+#include "cmStateTypes.h"
+
+class cmState;
+class cmStateDirectory;
+
+class cmStateSnapshot
+{
+public:
+  cmStateSnapshot(cmState* state = CM_NULLPTR);
+  cmStateSnapshot(cmState* state, cmStateDetail::PositionType position);
+
+  const char* GetDefinition(std::string const& name) const;
+  bool IsInitialized(std::string const& name) const;
+  void SetDefinition(std::string const& name, std::string const& value);
+  void RemoveDefinition(std::string const& name);
+  std::vector<std::string> UnusedKeys() const;
+  std::vector<std::string> ClosureKeys() const;
+  bool RaiseScope(std::string const& var, const char* varDef);
+
+  void SetListFile(std::string const& listfile);
+
+  std::string GetExecutionListFile() const;
+
+  std::vector<cmStateSnapshot> GetChildren();
+
+  bool IsValid() 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) const;
+  bool HasDefinedPolicyCMP0011();
+  void PushPolicy(cmPolicies::PolicyMap 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);
+
+#endif