1 files changed, 54 insertions, 0 deletions
diff --git a/Source/cmTargetDepend.h b/Source/cmTargetDepend.h
new file mode 100644
index 0000000..b698db6
--- /dev/null
+++ b/Source/cmTargetDepend.h
@@ -0,0 +1,54 @@
+/* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
+   file Copyright.txt or https://cmake.org/licensing for details.  */
+#ifndef cmTargetDepend_h
+#define cmTargetDepend_h
+
+#include "cmConfigure.h" // IWYU pragma: keep
+
+#include <set>
+
+class cmGeneratorTarget;
+
+/** One edge in the global target dependency graph.
+    It may be marked as a 'link' or 'util' edge or both.  */
+class cmTargetDepend
+{
+  cmGeneratorTarget const* Target;
+
+  // The set order depends only on the Target, so we use
+  // mutable members to achieve a map with set syntax.
+  mutable bool Link;
+  mutable bool Util;
+
+public:
+  cmTargetDepend(cmGeneratorTarget const* t)
+    : Target(t)
+    , Link(false)
+    , Util(false)
+  {
+  }
+  operator cmGeneratorTarget const*() const { return this->Target; }
+  cmGeneratorTarget const* operator->() const { return this->Target; }
+  cmGeneratorTarget const& operator*() const { return *this->Target; }
+  friend bool operator<(cmTargetDepend l, cmTargetDepend r)
+  {
+    return l.Target < r.Target;
+  }
+  void SetType(bool strong) const
+  {
+    if (strong) {
+      this->Util = true;
+    } else {
+      this->Link = true;
+    }
+  }
+  bool IsLink() const { return this->Link; }
+  bool IsUtil() const { return this->Util; }
+};
+
+/** Unordered set of (direct) dependencies of a target. */
+class cmTargetDependSet : public std::set<cmTargetDepend>
+{
+};
+
+#endif