--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/fortran/parse.h	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,75 @@
+/* Parser header
+   Copyright (C) 2003-2017 Free Software Foundation, Inc.
+   Contributed by Steven Bosscher
+
+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_PARSE_H
+#define GFC_PARSE_H
+
+/* Enum for what the compiler is currently doing.  */
+enum gfc_compile_state
+{
+  COMP_NONE, COMP_PROGRAM, COMP_MODULE, COMP_SUBMODULE, COMP_SUBROUTINE,
+  COMP_FUNCTION, COMP_BLOCK_DATA, COMP_INTERFACE, COMP_DERIVED,
+  COMP_DERIVED_CONTAINS, COMP_BLOCK, COMP_ASSOCIATE, COMP_IF,
+  COMP_STRUCTURE, COMP_UNION, COMP_MAP,
+  COMP_DO, COMP_SELECT, COMP_FORALL, COMP_WHERE, COMP_CONTAINS, COMP_ENUM,
+  COMP_SELECT_TYPE, COMP_OMP_STRUCTURED_BLOCK, COMP_CRITICAL, COMP_DO_CONCURRENT
+};
+
+/* Stack element for the current compilation state.  These structures
+   are allocated as automatic variables.  */
+typedef struct gfc_state_data
+{
+  gfc_compile_state state;
+  gfc_symbol *sym;              /* Block name associated with this level */
+  gfc_symtree *do_variable;     /* For DO blocks the iterator variable.  */
+
+  struct gfc_code *construct;
+  struct gfc_code *head, *tail;
+  struct gfc_state_data *previous;
+
+  /* Block-specific state data.  */
+  union
+  {
+    gfc_st_label *end_do_label;
+    gfc_oacc_declare *oacc_declare_clauses;
+  }
+  ext;
+}
+gfc_state_data;
+
+extern gfc_state_data *gfc_state_stack;
+
+#define gfc_current_block() (gfc_state_stack->sym)
+#define gfc_current_state() (gfc_state_stack->state)
+#define gfc_comp_struct(s) \
+  ((s) == COMP_DERIVED || (s) == COMP_STRUCTURE || (s) == COMP_MAP)
+
+int gfc_check_do_variable (gfc_symtree *);
+bool gfc_find_state (gfc_compile_state);
+gfc_state_data *gfc_enclosing_unit (gfc_compile_state *);
+const char *gfc_ascii_statement (gfc_statement);
+match gfc_match_enum (void);
+match gfc_match_enumerator_def (void);
+void gfc_free_enum_history (void);
+extern bool gfc_matching_function;
+match gfc_match_prefix (gfc_typespec *);
+bool is_oacc (gfc_state_data *);
+#endif  /* GFC_PARSE_H  */