mcode code generator added

1 files changed, 71 insertions, 0 deletions

diff --git a/ortho/mcode/hex_images.adb b/ortho/mcode/hex_images.adb
new file mode 100644
index 0000000..a9dca32
--- /dev/null
+++ b/ortho/mcode/hex_images.adb
@@ -0,0 +1,71 @@
+--  To hexadecimal conversions.
+--  Copyright (C) 2006 Tristan Gingold
+--
+--  GHDL 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 2, or (at your option) any later
+--  version.
+--
+--  GHDL 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 COPYING.  If not, write to the Free
+--  Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+--  02111-1307, USA.
+with Ada.Unchecked_Conversion;
+
+package body Hex_Images is
+   type Hex_Str_Type is array (0 .. 15) of Character;
+   Hexdigits : constant Hex_Str_Type := "0123456789abcdef";
+
+   function Hex_Image (B : Unsigned_8) return String is
+      Res : String (1 .. 2);
+   begin
+      for I in 1 .. 2 loop
+         Res (I) := Hexdigits
+           (Natural (Shift_Right (B, 8 - 4 * I) and 16#0f#));
+      end loop;
+      return Res;
+   end Hex_Image;
+
+   function Conv is new Ada.Unchecked_Conversion
+     (Source => Integer_32, Target => Unsigned_32);
+
+   function Hex_Image (W : Unsigned_32) return String is
+      Res : String (1 .. 8);
+   begin
+      for I in 1 .. 8 loop
+         Res (I) := Hexdigits
+           (Natural (Shift_Right (W, 32 - 4 * I) and 16#0f#));
+      end loop;
+      return Res;
+   end Hex_Image;
+
+   function Hex_Image (W : Unsigned_64) return String is
+      Res : String (1 .. 16);
+   begin
+      for I in 1 .. 16 loop
+         Res (I) := Hexdigits
+           (Natural (Shift_Right (W, 64 - 4 * I) and 16#0f#));
+      end loop;
+      return Res;
+   end Hex_Image;
+
+   function Hex_Image (W : Unsigned_16) return String is
+      Res : String (1 .. 4);
+   begin
+      for I in 1 .. 4 loop
+         Res (I) := Hexdigits
+           (Natural (Shift_Right (W, 16 - 4 * I) and 16#0f#));
+      end loop;
+      return Res;
+   end Hex_Image;
+
+   function Hex_Image (W : Integer_32) return String is
+   begin
+      return Hex_Image (Conv (W));
+   end Hex_Image;
+end Hex_Images;