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-- --
-- --
-- S E M _ D I S T --
-- --
-- S p e c --
-- --
-- Copyright (C) 1992-2000 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. --
-- --
-- Semantic processing for distribution annex facilities
with Types; use Types;
package Sem_Dist is
procedure Add_Stub_Constructs (N : Node_Id);
-- Create the stubs constructs for a remote call interface package
-- specification or body or for a shared passive specification. For
-- caller stubs, expansion takes place directly in the specification and
-- no additional compilation unit is created.
function Is_All_Remote_Call (N : Node_Id) return Boolean;
-- Check whether a function or procedure call should be expanded into
-- a remote call, because the entity is declared in a package decl that
-- is not currently in scope, and the proper pragmas apply.
procedure Process_Partition_Id (N : Node_Id);
-- Replace attribute reference with call to runtime function. The result
-- is converted to the context type, because the attribute yields a
-- universal integer value.
procedure Process_Remote_AST_Attribute (N : Node_Id; New_Type : Entity_Id);
-- Given N, an access attribute reference node whose prefix is a
-- remote subprogram, rewrite N with a call to a conversion function
-- whose return type is New_Type.
procedure Process_Remote_AST_Declaration (N : Node_Id);
-- Given N, an access to subprogram type declaration node in RCI or
-- remote types unit, build a new record (fat pointer) type declaration
-- using the old Defining_Identifier of N and a link to the old
-- declaration node N whose Defining_Identifier is changed.
-- We also construct declarations of two subprograms in the unit
-- specification which handle remote access to subprogram type
-- (fat pointer) dereference and the unit receiver that handles
-- remote calls (from remote access to subprogram type values.)
function Remote_AST_E_Dereference (P : Node_Id) return Boolean;
-- If the prefix of an explicit dereference is a record type that
-- represent the fat pointer for an Remote access to subprogram, in
-- the context of a call, rewrite the enclosing call node into a
-- remote call, the first actual of which is the fat pointer. Return
-- true if the context is correct and the transformation took place.
function Remote_AST_I_Dereference (P : Node_Id) return Boolean;
-- If P is a record type that represents the fat pointer for a remote
-- access to subprogram, and P is the prefix of a call, insert an
-- explicit dereference and perform the transformation described for
-- the previous function.
function Remote_AST_Null_Value
(N : Node_Id;
Typ : Entity_Id)
return Boolean;
-- If N is a null value and Typ a remote access to subprogram type,
-- this function will check if null needs to be replaced with an
-- aggregate and will return True in this case. Otherwise, it will
-- return False.
function Get_Subprogram_Id (E : Entity_Id) return Int;
-- Given a subprogram defined in a RCI package, get its subprogram id
-- which will be used for remote calls.
function Package_Specification_Of_Scope (E : Entity_Id) return Node_Id;
-- Return the N_Package_Specification corresponding to a scope E
end Sem_Dist;