| ------------------------------------------------------------------------------ |
| -- -- |
| -- GNAT COMPILER COMPONENTS -- |
| -- -- |
| -- 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; |