+++ /dev/null
-------------------------------------------------------------------------------
--- --
--- GNAT COMPILER COMPONENTS --
--- --
--- E X P _ D I S P --
--- --
--- S p e c --
--- --
--- $Revision: 1.1.16.2 $
--- --
--- Copyright (C) 1992-1998 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 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, 59 Temple Place - Suite 330, Boston, --
--- MA 02111-1307, USA. --
--- --
--- GNAT was originally developed by the GNAT team at New York University. --
--- Extensive contributions were provided by Ada Core Technologies Inc. --
--- --
-------------------------------------------------------------------------------
-
--- This package contains routines involved in tagged types and dynamic
--- dispatching expansion
-
-with Types; use Types;
-package Exp_Disp is
-
- type DT_Access_Action is
- (CW_Membership,
- DT_Entry_Size,
- DT_Prologue_Size,
- Get_Expanded_Name,
- Get_External_Tag,
- Get_Prim_Op_Address,
- Get_RC_Offset,
- Get_Remotely_Callable,
- Get_TSD,
- Inherit_DT,
- Inherit_TSD,
- Register_Tag,
- Set_Expanded_Name,
- Set_External_Tag,
- Set_Prim_Op_Address,
- Set_RC_Offset,
- Set_Remotely_Callable,
- Set_TSD,
- TSD_Entry_Size,
- TSD_Prologue_Size);
-
-
- function Fill_DT_Entry
- (Loc : Source_Ptr;
- Prim : Entity_Id)
- return Node_Id;
- -- Generate the code necessary to fill the appropriate entry of the
- -- dispatch table of Prim's controlling type with Prim's address.
-
- function Make_DT_Access_Action
- (Typ : Entity_Id;
- Action : DT_Access_Action;
- Args : List_Id)
- return Node_Id;
- -- Generate a call to one of the Dispatch Table Access Subprograms defined
- -- in Ada.Tags or in Interfaces.Cpp
-
- function Make_DT (Typ : Entity_Id) return List_Id;
- -- Expand the declarations for the Dispatch Table (or the Vtable in
- -- the case of type whose ancestor is a CPP_Class)
-
- procedure Set_All_DT_Position (Typ : Entity_Id);
- -- Set the DT_Position field for each primitive operation. In the CPP
- -- Class case check that no pragma CPP_Virtual is missing and that the
- -- DT_Position are coherent
-
- procedure Expand_Dispatch_Call (Call_Node : Node_Id);
- -- Expand the call to the operation through the dispatch table and perform
- -- the required tag checks when appropriate. For CPP types the call is
- -- done through the Vtable (tag checks are not relevant)
-
- procedure Set_Default_Constructor (Typ : Entity_Id);
- -- Typ is a CPP_Class type. Create the Init procedure of that type to
- -- be the default constructor (i.e. the function returning this type,
- -- having a pragma CPP_Constructor and no parameter)
-
- function Get_Remotely_Callable (Obj : Node_Id) return Node_Id;
- -- Return an expression that holds True if the object can be transmitted
- -- onto another partition according to E.4 (18)
-
-end Exp_Disp;
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