--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/ada/libgnat/a-stzsup.ads	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,508 @@
+------------------------------------------------------------------------------
+--                                                                          --
+--                         GNAT RUN-TIME COMPONENTS                         --
+--                                                                          --
+--  A D A . S T R I N G S .  W I D E _ W I D E _ S U P E R B O U N D E D    --
+--                                                                          --
+--                                 S p e c                                  --
+--                                                                          --
+--          Copyright (C) 2003-2017, Free Software Foundation, Inc.         --
+--                                                                          --
+-- GNAT is free software;  you can  redistribute it  and/or modify it under --
+-- terms of the  GNU General Public License as published  by the Free Soft- --
+-- ware  Foundation;  either version 3,  or (at your option) any later ver- --
+-- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
+-- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
+-- or FITNESS FOR A PARTICULAR PURPOSE.                                     --
+--                                                                          --
+-- As a special exception under Section 7 of GPL version 3, you are granted --
+-- additional permissions described in the GCC Runtime Library Exception,   --
+-- version 3.1, as published by the Free Software Foundation.               --
+--                                                                          --
+-- You should have received a copy of the GNU General Public License and    --
+-- a copy of the GCC Runtime Library Exception along with this program;     --
+-- see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    --
+-- <http://www.gnu.org/licenses/>.                                          --
+--                                                                          --
+-- GNAT was originally developed  by the GNAT team at  New York University. --
+-- Extensive contributions were provided by Ada Core Technologies Inc.      --
+--                                                                          --
+------------------------------------------------------------------------------
+
+--  This non generic package contains most of the implementation of the
+--  generic package Ada.Strings.Wide_Wide_Bounded.Generic_Bounded_Length.
+
+--  It defines type Super_String as a discriminated record with the maximum
+--  length as the discriminant. Individual instantiations of the package
+--  Strings.Wide_Wide_Bounded.Generic_Bounded_Length use this type with
+--  an appropriate discriminant value set.
+
+with Ada.Strings.Wide_Wide_Maps;
+
+package Ada.Strings.Wide_Wide_Superbounded is
+   pragma Preelaborate;
+
+   Wide_Wide_NUL : constant Wide_Wide_Character :=
+                     Wide_Wide_Character'Val (0);
+
+   --  Wide_Wide_Bounded.Generic_Bounded_Length.Wide_Wide_Bounded_String is
+   --  derived from Super_String, with the constraint of the maximum length.
+
+   type Super_String (Max_Length : Positive) is record
+      Current_Length : Natural := 0;
+      Data           : Wide_Wide_String (1 .. Max_Length);
+      --  A previous version had a default initial value for Data, which is
+      --  no longer necessary, because we now special-case this type in the
+      --  compiler, so "=" composes properly for descendants of this type.
+      --  Leaving it out is more efficient.
+   end record;
+
+   --  The subprograms defined for Super_String are similar to those defined
+   --  for Bounded_Wide_Wide_String, except that they have different names, so
+   --  that they can be renamed in Wide_Wide_Bounded.Generic_Bounded_Length.
+
+   function Super_Length (Source : Super_String) return Natural;
+
+   --------------------------------------------------------
+   -- Conversion, Concatenation, and Selection Functions --
+   --------------------------------------------------------
+
+   function To_Super_String
+     (Source     : Wide_Wide_String;
+      Max_Length : Natural;
+      Drop       : Truncation := Error) return Super_String;
+   --  Note the additional parameter Max_Length, which specifies the maximum
+   --  length setting of the resulting Super_String value.
+
+   --  The following procedures have declarations (and semantics) that are
+   --  exactly analogous to those declared in Ada.Strings.Wide_Wide_Bounded.
+
+   function Super_To_String (Source : Super_String) return Wide_Wide_String;
+
+   procedure Set_Super_String
+     (Target : out Super_String;
+      Source : Wide_Wide_String;
+      Drop   : Truncation := Error);
+
+   function Super_Append
+     (Left  : Super_String;
+      Right : Super_String;
+      Drop  : Truncation := Error) return Super_String;
+
+   function Super_Append
+     (Left  : Super_String;
+      Right : Wide_Wide_String;
+      Drop  : Truncation := Error) return Super_String;
+
+   function Super_Append
+     (Left  : Wide_Wide_String;
+      Right : Super_String;
+      Drop  : Truncation := Error) return Super_String;
+
+   function Super_Append
+     (Left  : Super_String;
+      Right : Wide_Wide_Character;
+      Drop  : Truncation := Error) return Super_String;
+
+   function Super_Append
+     (Left  : Wide_Wide_Character;
+      Right : Super_String;
+      Drop  : Truncation := Error) return Super_String;
+
+   procedure Super_Append
+     (Source   : in out Super_String;
+      New_Item : Super_String;
+      Drop     : Truncation := Error);
+
+   procedure Super_Append
+     (Source   : in out Super_String;
+      New_Item : Wide_Wide_String;
+      Drop     : Truncation := Error);
+
+   procedure Super_Append
+     (Source   : in out Super_String;
+      New_Item : Wide_Wide_Character;
+      Drop     : Truncation := Error);
+
+   function Concat
+     (Left  : Super_String;
+      Right : Super_String) return Super_String;
+
+   function Concat
+     (Left  : Super_String;
+      Right : Wide_Wide_String) return Super_String;
+
+   function Concat
+     (Left  : Wide_Wide_String;
+      Right : Super_String) return Super_String;
+
+   function Concat
+     (Left  : Super_String;
+      Right : Wide_Wide_Character) return Super_String;
+
+   function Concat
+     (Left  : Wide_Wide_Character;
+      Right : Super_String) return Super_String;
+
+   function Super_Element
+     (Source : Super_String;
+      Index  : Positive) return Wide_Wide_Character;
+
+   procedure Super_Replace_Element
+     (Source : in out Super_String;
+      Index  : Positive;
+      By     : Wide_Wide_Character);
+
+   function Super_Slice
+     (Source : Super_String;
+      Low    : Positive;
+      High   : Natural) return Wide_Wide_String;
+
+   function Super_Slice
+     (Source : Super_String;
+      Low    : Positive;
+      High   : Natural) return Super_String;
+
+   procedure Super_Slice
+     (Source : Super_String;
+      Target : out Super_String;
+      Low    : Positive;
+      High   : Natural);
+
+   function "="
+     (Left  : Super_String;
+      Right : Super_String) return Boolean;
+
+   function Equal
+     (Left  : Super_String;
+      Right : Super_String) return Boolean renames "=";
+
+   function Equal
+     (Left  : Super_String;
+      Right : Wide_Wide_String) return Boolean;
+
+   function Equal
+     (Left  : Wide_Wide_String;
+      Right : Super_String) return Boolean;
+
+   function Less
+     (Left  : Super_String;
+      Right : Super_String) return Boolean;
+
+   function Less
+     (Left  : Super_String;
+      Right : Wide_Wide_String) return Boolean;
+
+   function Less
+     (Left  : Wide_Wide_String;
+      Right : Super_String) return Boolean;
+
+   function Less_Or_Equal
+     (Left  : Super_String;
+      Right : Super_String) return Boolean;
+
+   function Less_Or_Equal
+     (Left  : Super_String;
+      Right : Wide_Wide_String) return Boolean;
+
+   function Less_Or_Equal
+     (Left  : Wide_Wide_String;
+      Right : Super_String) return Boolean;
+
+   function Greater
+     (Left  : Super_String;
+      Right : Super_String) return Boolean;
+
+   function Greater
+     (Left  : Super_String;
+      Right : Wide_Wide_String) return Boolean;
+
+   function Greater
+     (Left  : Wide_Wide_String;
+      Right : Super_String) return Boolean;
+
+   function Greater_Or_Equal
+     (Left  : Super_String;
+      Right : Super_String) return Boolean;
+
+   function Greater_Or_Equal
+     (Left  : Super_String;
+      Right : Wide_Wide_String) return Boolean;
+
+   function Greater_Or_Equal
+     (Left  : Wide_Wide_String;
+      Right : Super_String) return Boolean;
+
+   ----------------------
+   -- Search Functions --
+   ----------------------
+
+   function Super_Index
+     (Source  : Super_String;
+      Pattern : Wide_Wide_String;
+      Going   : Direction := Forward;
+      Mapping : Wide_Wide_Maps.Wide_Wide_Character_Mapping :=
+                  Wide_Wide_Maps.Identity)
+      return Natural;
+
+   function Super_Index
+     (Source  : Super_String;
+      Pattern : Wide_Wide_String;
+      Going   : Direction := Forward;
+      Mapping : Wide_Wide_Maps.Wide_Wide_Character_Mapping_Function)
+      return Natural;
+
+   function Super_Index
+     (Source : Super_String;
+      Set    : Wide_Wide_Maps.Wide_Wide_Character_Set;
+      Test   : Membership := Inside;
+      Going  : Direction  := Forward) return Natural;
+
+   function Super_Index
+     (Source  : Super_String;
+      Pattern : Wide_Wide_String;
+      From    : Positive;
+      Going   : Direction := Forward;
+      Mapping : Wide_Wide_Maps.Wide_Wide_Character_Mapping :=
+                  Wide_Wide_Maps.Identity)
+      return Natural;
+
+   function Super_Index
+     (Source  : Super_String;
+      Pattern : Wide_Wide_String;
+      From    : Positive;
+      Going   : Direction := Forward;
+      Mapping : Wide_Wide_Maps.Wide_Wide_Character_Mapping_Function)
+      return Natural;
+
+   function Super_Index
+     (Source : Super_String;
+      Set    : Wide_Wide_Maps.Wide_Wide_Character_Set;
+      From   : Positive;
+      Test   : Membership := Inside;
+      Going  : Direction := Forward) return Natural;
+
+   function Super_Index_Non_Blank
+     (Source : Super_String;
+      Going  : Direction := Forward) return Natural;
+
+   function Super_Index_Non_Blank
+     (Source : Super_String;
+      From   : Positive;
+      Going  : Direction := Forward) return Natural;
+
+   function Super_Count
+     (Source  : Super_String;
+      Pattern : Wide_Wide_String;
+      Mapping : Wide_Wide_Maps.Wide_Wide_Character_Mapping :=
+                  Wide_Wide_Maps.Identity)
+      return Natural;
+
+   function Super_Count
+     (Source  : Super_String;
+      Pattern : Wide_Wide_String;
+      Mapping : Wide_Wide_Maps.Wide_Wide_Character_Mapping_Function)
+      return Natural;
+
+   function Super_Count
+     (Source : Super_String;
+      Set    : Wide_Wide_Maps.Wide_Wide_Character_Set) return Natural;
+
+   procedure Super_Find_Token
+     (Source : Super_String;
+      Set    : Wide_Wide_Maps.Wide_Wide_Character_Set;
+      From   : Positive;
+      Test   : Membership;
+      First  : out Positive;
+      Last   : out Natural);
+
+   procedure Super_Find_Token
+     (Source : Super_String;
+      Set    : Wide_Wide_Maps.Wide_Wide_Character_Set;
+      Test   : Membership;
+      First  : out Positive;
+      Last   : out Natural);
+
+   ------------------------------------
+   -- String Translation Subprograms --
+   ------------------------------------
+
+   function Super_Translate
+     (Source  : Super_String;
+      Mapping : Wide_Wide_Maps.Wide_Wide_Character_Mapping)
+      return Super_String;
+
+   procedure Super_Translate
+     (Source   : in out Super_String;
+      Mapping  : Wide_Wide_Maps.Wide_Wide_Character_Mapping);
+
+   function Super_Translate
+     (Source  : Super_String;
+      Mapping : Wide_Wide_Maps.Wide_Wide_Character_Mapping_Function)
+      return Super_String;
+
+   procedure Super_Translate
+     (Source  : in out Super_String;
+      Mapping : Wide_Wide_Maps.Wide_Wide_Character_Mapping_Function);
+
+   ---------------------------------------
+   -- String Transformation Subprograms --
+   ---------------------------------------
+
+   function Super_Replace_Slice
+     (Source : Super_String;
+      Low    : Positive;
+      High   : Natural;
+      By     : Wide_Wide_String;
+      Drop   : Truncation := Error) return Super_String;
+
+   procedure Super_Replace_Slice
+     (Source  : in out Super_String;
+      Low     : Positive;
+      High    : Natural;
+      By      : Wide_Wide_String;
+      Drop    : Truncation := Error);
+
+   function Super_Insert
+     (Source   : Super_String;
+      Before   : Positive;
+      New_Item : Wide_Wide_String;
+      Drop     : Truncation := Error) return Super_String;
+
+   procedure Super_Insert
+     (Source   : in out Super_String;
+      Before   : Positive;
+      New_Item : Wide_Wide_String;
+      Drop     : Truncation := Error);
+
+   function Super_Overwrite
+     (Source   : Super_String;
+      Position : Positive;
+      New_Item : Wide_Wide_String;
+      Drop     : Truncation := Error) return Super_String;
+
+   procedure Super_Overwrite
+     (Source    : in out Super_String;
+      Position  : Positive;
+      New_Item  : Wide_Wide_String;
+      Drop      : Truncation := Error);
+
+   function Super_Delete
+     (Source  : Super_String;
+      From    : Positive;
+      Through : Natural) return Super_String;
+
+   procedure Super_Delete
+     (Source  : in out Super_String;
+      From    : Positive;
+      Through : Natural);
+
+   ---------------------------------
+   -- String Selector Subprograms --
+   ---------------------------------
+
+   function Super_Trim
+     (Source : Super_String;
+      Side   : Trim_End) return Super_String;
+
+   procedure Super_Trim
+     (Source : in out Super_String;
+      Side   : Trim_End);
+
+   function Super_Trim
+     (Source : Super_String;
+      Left   : Wide_Wide_Maps.Wide_Wide_Character_Set;
+      Right  : Wide_Wide_Maps.Wide_Wide_Character_Set) return Super_String;
+
+   procedure Super_Trim
+     (Source : in out Super_String;
+      Left   : Wide_Wide_Maps.Wide_Wide_Character_Set;
+      Right  : Wide_Wide_Maps.Wide_Wide_Character_Set);
+
+   function Super_Head
+     (Source : Super_String;
+      Count  : Natural;
+      Pad    : Wide_Wide_Character := Wide_Wide_Space;
+      Drop   : Truncation := Error) return Super_String;
+
+   procedure Super_Head
+     (Source : in out Super_String;
+      Count  : Natural;
+      Pad    : Wide_Wide_Character := Wide_Wide_Space;
+      Drop   : Truncation := Error);
+
+   function Super_Tail
+     (Source : Super_String;
+      Count  : Natural;
+      Pad    : Wide_Wide_Character := Wide_Wide_Space;
+      Drop   : Truncation := Error) return Super_String;
+
+   procedure Super_Tail
+     (Source : in out Super_String;
+      Count  : Natural;
+      Pad    : Wide_Wide_Character := Wide_Wide_Space;
+      Drop   : Truncation := Error);
+
+   ------------------------------------
+   -- String Constructor Subprograms --
+   ------------------------------------
+
+   --  Note: in some of the following routines, there is an extra parameter
+   --  Max_Length which specifies the value of the maximum length for the
+   --  resulting Super_String value.
+
+   function Times
+     (Left       : Natural;
+      Right      : Wide_Wide_Character;
+      Max_Length : Positive) return Super_String;
+   --  Note the additional parameter Max_Length
+
+   function Times
+     (Left       : Natural;
+      Right      : Wide_Wide_String;
+      Max_Length : Positive) return Super_String;
+   --  Note the additional parameter Max_Length
+
+   function Times
+     (Left  : Natural;
+      Right : Super_String) return Super_String;
+
+   function Super_Replicate
+     (Count      : Natural;
+      Item       : Wide_Wide_Character;
+      Drop       : Truncation := Error;
+      Max_Length : Positive) return Super_String;
+   --  Note the additional parameter Max_Length
+
+   function Super_Replicate
+     (Count      : Natural;
+      Item       : Wide_Wide_String;
+      Drop       : Truncation := Error;
+      Max_Length : Positive) return Super_String;
+   --  Note the additional parameter Max_Length
+
+   function Super_Replicate
+     (Count : Natural;
+      Item  : Super_String;
+      Drop  : Truncation := Error) return Super_String;
+
+private
+      --  Pragma Inline declarations
+
+      pragma Inline ("=");
+      pragma Inline (Less);
+      pragma Inline (Less_Or_Equal);
+      pragma Inline (Greater);
+      pragma Inline (Greater_Or_Equal);
+      pragma Inline (Concat);
+      pragma Inline (Super_Count);
+      pragma Inline (Super_Element);
+      pragma Inline (Super_Find_Token);
+      pragma Inline (Super_Index);
+      pragma Inline (Super_Index_Non_Blank);
+      pragma Inline (Super_Length);
+      pragma Inline (Super_Replace_Element);
+      pragma Inline (Super_Slice);
+      pragma Inline (Super_To_String);
+
+end Ada.Strings.Wide_Wide_Superbounded;