--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/fortran/constructor.h	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,89 @@
+/* Array and structure constructors
+   Copyright (C) 2009-2017 Free Software Foundation, Inc.
+
+This file is part of GCC.
+
+GCC 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, or (at your option) any later
+version.
+
+GCC 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 GCC; see the file COPYING3.  If not see
+<http://www.gnu.org/licenses/>.  */
+
+#ifndef GFC_CONSTRUCTOR_H
+#define GFC_CONSTRUCTOR_H
+
+/* Get a new constructor structure.  */
+gfc_constructor *gfc_constructor_get (void);
+
+gfc_constructor_base gfc_constructor_get_base (void);
+
+/* Copy a constructor structure.  */
+gfc_constructor_base gfc_constructor_copy (gfc_constructor_base base);
+
+
+/* Free a gfc_constructor structure.  */
+void gfc_constructor_free (gfc_constructor_base base);
+
+
+/* Given an constructor structure, append the expression node onto
+   the constructor. Returns the constructor node appended.  */
+gfc_constructor *gfc_constructor_append (gfc_constructor_base *base,
+					 gfc_constructor *c);
+
+gfc_constructor *gfc_constructor_append_expr (gfc_constructor_base *base,
+					      gfc_expr *e, locus *where);
+
+
+/* Given an constructor structure, place the expression node at position.
+   Returns the constructor node inserted.  */
+gfc_constructor *gfc_constructor_insert (gfc_constructor_base *base,
+					 gfc_constructor *c, int n);
+
+gfc_constructor *gfc_constructor_insert_expr (gfc_constructor_base *base,
+					      gfc_expr *e, locus *where,
+					      int n);
+
+/* Given an array constructor expression and an element number (starting
+   at zero), return a pointer to the array element.  NULL is returned if
+   the size of the array has been exceeded. The expression node returned
+   remains a part of the array and should not be freed.  */
+
+gfc_constructor *gfc_constructor_lookup (gfc_constructor_base base, int n);
+
+/* Convenience function. Same as ...
+     gfc_constructor *c = gfc_constructor_lookup (base, n);
+     gfc_expr *e = c ? c->expr : NULL;
+*/
+gfc_expr *gfc_constructor_lookup_expr (gfc_constructor_base base, int n);
+
+
+int gfc_constructor_expr_foreach (gfc_constructor *ctor, int(*)(gfc_expr *));
+
+
+void gfc_constructor_swap (gfc_constructor *ctor, int n, int m);
+
+
+
+/* Get the first constructor node in the constructure structure.
+   Returns NULL if there is no such expression.  */
+gfc_constructor *gfc_constructor_first (gfc_constructor_base base);
+
+/* Get the next constructor node in the constructure structure.
+   Returns NULL if there is no next expression.  */
+gfc_constructor *gfc_constructor_next (gfc_constructor *ctor);
+
+/* Remove the gfc_constructor node from the splay tree.  */
+void gfc_constructor_remove (gfc_constructor *);
+
+/* Return first constructor node after offset.  */
+gfc_constructor *gfc_constructor_lookup_next (gfc_constructor_base, int);
+
+#endif /* GFC_CONSTRUCTOR_H */