1 files changed, 106 insertions, 0 deletions
diff --git a/cli/cli/semantics/class.hxx b/cli/cli/semantics/class.hxx
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+++ b/cli/cli/semantics/class.hxx
@@ -0,0 +1,106 @@
+// file      : cli/semantics/class.hxx
+// author    : Boris Kolpackov <boris@codesynthesis.com>
+// license   : MIT; see accompanying LICENSE file
+
+#ifndef CLI_SEMANTICS_CLASS_HXX
+#define CLI_SEMANTICS_CLASS_HXX
+
+#include <vector>
+
+#include <cli/semantics/elements.hxx>
+
+namespace semantics
+{
+  class class_;
+
+  class inherits: public edge
+  {
+  public:
+    class_&
+    base () const
+    {
+      return *base_;
+    }
+
+    class_&
+    derived () const
+    {
+      return *derived_;
+    }
+
+  public:
+    void
+    set_left_node (class_& n)
+    {
+      derived_ = &n;
+    }
+
+    void
+    set_right_node (class_& n)
+    {
+      base_ = &n;
+    }
+
+  protected:
+    class_* base_;
+    class_* derived_;
+  };
+
+  class class_: public scope
+  {
+  private:
+    typedef std::vector<inherits*> inherits_list;
+
+  public:
+    bool
+    abstract () const
+    {
+      return abstract_;
+    }
+
+    void
+    abstract (bool a)
+    {
+      abstract_ = a;
+    }
+
+  public:
+    typedef pointer_iterator<inherits_list::const_iterator> inherits_iterator;
+
+    inherits_iterator
+    inherits_begin () const
+    {
+      return inherits_.begin ();
+    }
+
+    inherits_iterator
+    inherits_end () const
+    {
+      return inherits_.end ();
+    }
+
+  public:
+    class_ (path const& file, size_t line, size_t column)
+        : node (file, line, column), abstract_ (false)
+    {
+    }
+
+    void
+    add_edge_left (inherits& e)
+    {
+      inherits_.push_back (&e);
+    }
+
+    void
+    add_edge_right (inherits&) {}
+
+    using scope::add_edge_left;
+    using scope::add_edge_right;
+
+  private:
+    bool abstract_;
+    inherits_list inherits_;
+  };
+}
+
+#endif // CLI_SEMANTICS_CLASS_HXX