home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
Geek Gadgets 1
/
ADE-1.bin
/
ade-dist
/
gnat-2.06-src.tgz
/
tar.out
/
fsf
/
gnat
/
ada
/
exp_tss.adb
< prev
next >
Wrap
Text File
|
1996-09-28
|
5KB
|
160 lines
------------------------------------------------------------------------------
-- --
-- GNAT COMPILER COMPONENTS --
-- --
-- E X P _ T S S --
-- --
-- B o d y --
-- --
-- $Revision: 1.7 $ --
-- --
-- Copyright (c) 1992,1993,1994 NYU, All Rights Reserved --
-- --
-- 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 2, 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. See the GNU General Public License --
-- for more details. You should have received a copy of the GNU General --
-- Public License distributed with GNAT; see file COPYING. If not, write --
-- to the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. --
-- --
------------------------------------------------------------------------------
with Atree; use Atree;
with Einfo; use Einfo;
with Elists; use Elists;
with Exp_Util; use Exp_Util;
with Lib; use Lib;
with Namet; use Namet;
with Nlists; use Nlists;
with Output; use Output;
with Sem; use Sem;
with Sinfo; use Sinfo;
with Snames; use Snames;
package body Exp_TSS is
--------------------
-- Base_Init_Proc --
--------------------
function Base_Init_Proc (Typ : Entity_Id) return Entity_Id is
Full_Type : E;
begin
pragma Assert (Ekind (Typ) in Type_Kind);
if Is_Private_Type (Typ) then
Full_Type := Underlying_Type (Base_Type (Typ));
else
Full_Type := Typ;
end if;
if No (Full_Type) then
return Empty;
elsif Is_Concurrent_Type (Full_Type) then
return Init_Proc (Corresponding_Record_Type (Base_Type (Full_Type)));
else
return Init_Proc (Base_Type (Full_Type));
end if;
end Base_Init_Proc;
--------------
-- Copy_TSS --
--------------
-- Note: internally this routine is also used to initially set up
-- a TSS entry for a new type (case of being called from Set_TSS)
procedure Copy_TSS (TSS : Entity_Id; Typ : Entity_Id) is
FN : constant Node_Id := Freeze_Node (Typ);
begin
pragma Assert (Present (FN));
if No (TSS_Elist (FN)) then
Set_TSS_Elist (FN, New_Elmt_List);
end if;
-- We prepend here, so that a second call overrides the first, it
-- is not clear that this is required, but it seems reasonable.
Prepend_Elmt (TSS, TSS_Elist (FN));
end Copy_TSS;
---------------
-- Init_Proc --
---------------
function Init_Proc (Typ : Entity_Id) return Entity_Id is
begin
return TSS (Typ, Name_uInit_Proc);
end Init_Proc;
-------------------
-- Set_Init_Proc --
-------------------
procedure Set_Init_Proc (Typ : Entity_Id; Init : Entity_Id) is
begin
Set_TSS (Typ, Init);
end Set_Init_Proc;
-------------
-- Set_TSS --
-------------
procedure Set_TSS (Typ : Entity_Id; TSS : Entity_Id) is
Subprog_Body : constant Node_Id := Parent (Declaration_Node (TSS));
begin
-- Case of insertion location is in unit defining the type
if Get_Sloc_Unit_Number (Sloc (Typ)) =
Get_Sloc_Unit_Number (Sloc (TSS))
then
Append_Freeze_Action (Typ, Subprog_Body);
-- Otherwise, TBD ???
else
pragma Assert (False); null;
end if;
Copy_TSS (TSS, Typ);
end Set_TSS;
---------
-- TSS --
---------
function TSS (Typ : Entity_Id; Nam : Name_Id) return Entity_Id is
FN : constant Node_Id := Freeze_Node (Typ);
Elmt : Elmt_Id;
begin
if No (FN) then
return Empty;
elsif No (TSS_Elist (FN)) then
return Empty;
else
Elmt := First_Elmt (TSS_Elist (FN));
while Present (Elmt) loop
if Chars (Node (Elmt)) = Nam then
return Node (Elmt);
else
Elmt := Next_Elmt (Elmt);
end if;
end loop;
end if;
return Empty;
end TSS;
end Exp_TSS;