mcode code generator added

1 files changed, 123 insertions, 0 deletions

diff --git a/ortho/mcode/ortho_mcode.adb b/ortho/mcode/ortho_mcode.adb
new file mode 100644
index 000000000..6c91f268c
--- /dev/null
+++ b/ortho/mcode/ortho_mcode.adb
@@ -0,0 +1,123 @@
+--  Mcode back-end for ortho.
+--  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 Ortho_Code.Abi;
+with Ada.Text_IO;
+with Ortho_Code.Debug;
+with Ortho_Ident;
+with Binary_File;
+
+package body Ortho_Mcode is
+   procedure New_Debug_Line_Decl (Line : Natural)
+   is
+      pragma Unreferenced (Line);
+   begin
+      null;
+   end New_Debug_Line_Decl;
+
+   procedure New_Debug_Comment_Decl (Comment : String)
+   is
+      pragma Unreferenced (Comment);
+   begin
+      null;
+   end New_Debug_Comment_Decl;
+
+   procedure New_Debug_Comment_Stmt (Comment : String)
+   is
+      pragma Unreferenced (Comment);
+   begin
+      null;
+   end New_Debug_Comment_Stmt;
+
+   procedure Start_Declare_Stmt is
+   begin
+      Ortho_Code.Exprs.Start_Declare_Stmt;
+   end Start_Declare_Stmt;
+
+   procedure Finish_Declare_Stmt is
+   begin
+      Ortho_Code.Exprs.Finish_Declare_Stmt;
+   end Finish_Declare_Stmt;
+
+   procedure Start_Const_Value (Const : in out O_Dnode)
+   is
+      pragma Unreferenced (Const);
+   begin
+      null;
+   end Start_Const_Value;
+
+   procedure Finish_Const_Value (Const : in out O_Dnode; Val : O_Cnode) is
+   begin
+      New_Const_Value (Const, Val);
+   end Finish_Const_Value;
+
+   function New_Obj_Value (Obj : O_Dnode) return O_Enode is
+   begin
+      return New_Value (New_Obj (Obj));
+   end New_Obj_Value;
+
+   function New_Constrained_Array_Type (Atype : O_Tnode; Length : O_Cnode)
+                                       return O_Tnode
+   is
+      L_Type : O_Tnode;
+   begin
+      L_Type := Get_Const_Type (Length);
+      if Get_Type_Kind (L_Type) /= OT_Unsigned then
+         raise Syntax_Error;
+      end if;
+      return New_Constrained_Array_Type (Atype, Get_Const_U32 (Length));
+   end New_Constrained_Array_Type;
+
+   procedure Init is
+   begin
+      --  Create an anonymous pointer type.
+      if New_Access_Type (O_Tnode_Null) /= O_Tnode_Ptr then
+         raise Program_Error;
+      end if;
+      --  Do not finish the access, since this creates an infinite recursion
+      --  in gdb (at least for GDB 6.3).
+      --Finish_Access_Type (O_Tnode_Ptr, O_Tnode_Ptr);
+      Ortho_Code.Abi.Init;
+   end Init;
+
+   procedure Finish is
+   begin
+      if False then
+         Ortho_Code.Decls.Disp_All_Decls;
+         --Ortho_Code.Exprs.Disp_All_Enode;
+      end if;
+      Ortho_Code.Abi.Finish;
+      if Debug.Flag_Debug_Stat then
+         Ada.Text_IO.Put_Line ("Statistics:");
+         Ortho_Code.Exprs.Disp_Stats;
+         Ortho_Code.Decls.Disp_Stats;
+         Ortho_Code.Types.Disp_Stats;
+         Ortho_Code.Consts.Disp_Stats;
+         Ortho_Ident.Disp_Stats;
+         Binary_File.Disp_Stats;
+      end if;
+   end Finish;
+
+   procedure Free_All is
+   begin
+      Ortho_Code.Types.Finish;
+      Ortho_Code.Exprs.Finish;
+      Ortho_Code.Consts.Finish;
+      Ortho_Code.Decls.Finish;
+      Ortho_Ident.Finish;
+   end Free_All;
+end Ortho_Mcode;