--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libinterp/parse-tree/pt-spmd.h	Tue Jun 30 15:52:25 2020 -0400
@@ -0,0 +1,83 @@
+////////////////////////////////////////////////////////////////////////
+//
+// Copyright (C) 2020 The Octave Project Developers
+//
+// See the file COPYRIGHT.md in the top-level directory of this
+// distribution or <https://octave.org/copyright/>.
+//
+// This file is part of Octave.
+//
+// Octave is free software: you can redistribute it and/or modify it
+// under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Octave is distributed in the hope that it will be useful, but
+// WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Octave; see the file COPYING.  If not, see
+// <https://www.gnu.org/licenses/>.
+//
+////////////////////////////////////////////////////////////////////////
+
+#if ! defined (octave_pt_spmd_command_h)
+#define octave_pt_spmd_command_h 1
+
+#include "octave-config.h"
+
+#include "base-list.h"
+#include "pt-cmd.h"
+#include "pt-walk.h"
+
+namespace octave
+{
+  class tree_comment_list;
+  class tree_statement_list;
+
+  // Spmd.
+
+  class tree_spmd_command : public tree_command
+  {
+  public:
+
+    tree_spmd_command (tree_statement_list *body, comment_list *lc,
+                       comment_list *tc, int l = -1, int c = -1)
+      : tree_command (l, c), m_body (body), m_lead_comm (lc), m_trail_comm (tc)
+    { }
+
+    // No copying!
+
+    tree_spmd_command (const tree_spmd_command&) = delete;
+
+    tree_spmd_command& operator = (const tree_spmd_command&) = delete;
+
+    ~tree_spmd_command (void);
+
+    tree_statement_list * body (void) { return m_body; }
+
+    comment_list * leading_comment (void) { return m_lead_comm; }
+
+    comment_list * trailing_comment (void) { return m_trail_comm; }
+
+    void accept (tree_walker& tw)
+    {
+      tw.visit_spmd_command (*this);
+    }
+
+  private:
+
+    // List of commands.
+    tree_statement_list *m_body;
+
+    // Comment preceding SPMD token.
+    comment_list *m_lead_comm;
+
+    // Comment preceding ENDSPMD token.
+    comment_list *m_trail_comm;
+  };
+}
+
+#endif