| ------------------------------------------------------------------------------ |
| -- -- |
| -- GNAT COMPILER COMPONENTS -- |
| -- -- |
| -- S E M _ D I S T -- |
| -- -- |
| -- S p e c -- |
| -- -- |
| -- Copyright (C) 1992-2022, 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 3, 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 COPYING3. If not, go to -- |
| -- http://www.gnu.org/licenses for a complete copy of the license. -- |
| -- -- |
| -- 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 Snames; use Snames; |
| with Types; use Types; |
| |
| package Sem_Dist is |
| |
| function Get_PCS_Name return PCS_Names; |
| -- Return the name of a literal of type DSA_Implementation_Name in package |
| -- System.Partition_Interface indicating what PCS is currently in use. |
| |
| function Get_PCS_Version return Int; |
| -- Return the version number of the PCS API implemented by the PCS. |
| -- The consistency of this version with the one expected by Exp_Dist |
| -- (Exp_Dist.PCS_Version_Number) in Rtsfind.RTE.Check_RPC. |
| -- If no PCS version information is available, 0 is returned. |
| |
| function Is_Valid_Remote_Object_Type (E : Entity_Id) return Boolean; |
| -- True if tagged type E is a valid candidate as the root type of the |
| -- designated type for a RACW, i.e. a tagged limited private type, or a |
| -- limited interface type, or a private extension of such a type. |
| |
| 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 Build_RAS_Primitive_Specification |
| (Subp_Spec : Node_Id; |
| Remote_Object_Type : Node_Id) return Node_Id; |
| -- Build a subprogram specification for the primitive operation of the |
| -- Remote_Object_Type used to implement a remote access-to-subprogram |
| -- type whose parameter profile is given by specification Subp_Spec. |
| |
| 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 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 Package_Specification_Of_Scope (E : Entity_Id) return Node_Id; |
| -- Return the N_Package_Specification corresponding to a scope E |
| |
| function Is_RACW_Stub_Type_Operation (Op : Entity_Id) return Boolean; |
| -- True when Op is a primitive operation of an RACW stub type |
| |
| end Sem_Dist; |
