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Diffstat (limited to 'src/lib/gnat/s-imenne.adb')
| -rw-r--r-- | src/lib/gnat/s-imenne.adb | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/src/lib/gnat/s-imenne.adb b/src/lib/gnat/s-imenne.adb new file mode 100644 index 0000000000..0c82dfd54d --- /dev/null +++ b/src/lib/gnat/s-imenne.adb @@ -0,0 +1,129 @@ +------------------------------------------------------------------------------ +-- -- +-- GNAT RUN-TIME COMPONENTS -- +-- -- +-- S Y S T E M . I M G _ E N U M _ N E W -- +-- -- +-- B o d y -- +-- -- +-- Copyright (C) 2000-2013, 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. -- +-- -- +------------------------------------------------------------------------------ + +pragma Compiler_Unit_Warning; +pragma Assertion_Policy (Statement_Assertions => Ignore); + +with Ada.Unchecked_Conversion; + +package body System.Img_Enum_New is + + ------------------------- + -- Image_Enumeration_8 -- + ------------------------- + + procedure Image_Enumeration_8 + (Pos : Natural; + S : in out String; + P : out Natural; + Names : String; + Indexes : System.Address) + is + pragma Assert (S'First = 1); + + type Natural_8 is range 0 .. 2 ** 7 - 1; + type Index_Table is array (Natural) of Natural_8; + type Index_Table_Ptr is access Index_Table; + + function To_Index_Table_Ptr is + new Ada.Unchecked_Conversion (System.Address, Index_Table_Ptr); + + IndexesT : constant Index_Table_Ptr := To_Index_Table_Ptr (Indexes); + + Start : constant Natural := Natural (IndexesT (Pos)); + Next : constant Natural := Natural (IndexesT (Pos + 1)); + + begin + S (1 .. Next - Start) := Names (Start .. Next - 1); + P := Next - Start; + end Image_Enumeration_8; + + -------------------------- + -- Image_Enumeration_16 -- + -------------------------- + + procedure Image_Enumeration_16 + (Pos : Natural; + S : in out String; + P : out Natural; + Names : String; + Indexes : System.Address) + is + pragma Assert (S'First = 1); + + type Natural_16 is range 0 .. 2 ** 15 - 1; + type Index_Table is array (Natural) of Natural_16; + type Index_Table_Ptr is access Index_Table; + + function To_Index_Table_Ptr is + new Ada.Unchecked_Conversion (System.Address, Index_Table_Ptr); + + IndexesT : constant Index_Table_Ptr := To_Index_Table_Ptr (Indexes); + + Start : constant Natural := Natural (IndexesT (Pos)); + Next : constant Natural := Natural (IndexesT (Pos + 1)); + + begin + S (1 .. Next - Start) := Names (Start .. Next - 1); + P := Next - Start; + end Image_Enumeration_16; + + -------------------------- + -- Image_Enumeration_32 -- + -------------------------- + + procedure Image_Enumeration_32 + (Pos : Natural; + S : in out String; + P : out Natural; + Names : String; + Indexes : System.Address) + is + pragma Assert (S'First = 1); + + type Natural_32 is range 0 .. 2 ** 31 - 1; + type Index_Table is array (Natural) of Natural_32; + type Index_Table_Ptr is access Index_Table; + + function To_Index_Table_Ptr is + new Ada.Unchecked_Conversion (System.Address, Index_Table_Ptr); + + IndexesT : constant Index_Table_Ptr := To_Index_Table_Ptr (Indexes); + + Start : constant Natural := Natural (IndexesT (Pos)); + Next : constant Natural := Natural (IndexesT (Pos + 1)); + + begin + S (1 .. Next - Start) := Names (Start .. Next - 1); + P := Next - Start; + end Image_Enumeration_32; + +end System.Img_Enum_New; |