112 lines
6.1 KiB
Ada
112 lines
6.1 KiB
Ada
------------------------------------------------------------------------------
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-- --
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-- GNAT COMPILER COMPONENTS --
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-- --
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-- S E M _ D I S T --
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-- --
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-- S p e c --
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-- --
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-- Copyright (C) 1992-2020, Free Software Foundation, Inc. --
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-- --
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-- GNAT is free software; you can redistribute it and/or modify it under --
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-- terms of the GNU General Public License as published by the Free Soft- --
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-- ware Foundation; either version 3, or (at your option) any later ver- --
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-- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
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-- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
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-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
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-- for more details. You should have received a copy of the GNU General --
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-- Public License distributed with GNAT; see file COPYING3. If not, go to --
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-- http://www.gnu.org/licenses for a complete copy of the license. --
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-- --
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-- GNAT was originally developed by the GNAT team at New York University. --
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-- Extensive contributions were provided by Ada Core Technologies Inc. --
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-- --
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------------------------------------------------------------------------------
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-- Semantic processing for distribution annex facilities
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with Snames; use Snames;
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with Types; use Types;
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package Sem_Dist is
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function Get_PCS_Name return PCS_Names;
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-- Return the name of a literal of type DSA_Implementation_Name in package
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-- System.Partition_Interface indicating what PCS is currently in use.
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function Get_PCS_Version return Int;
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-- Return the version number of the PCS API implemented by the PCS.
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-- The consistency of this version with the one expected by Exp_Dist
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-- (Exp_Dist.PCS_Version_Number) in Rtsfind.RTE.Check_RPC.
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-- If no PCS version information is available, 0 is returned.
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function Is_Valid_Remote_Object_Type (E : Entity_Id) return Boolean;
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-- True if tagged type E is a valid candidate as the root type of the
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-- designated type for a RACW, i.e. a tagged limited private type, or a
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-- limited interface type, or a private extension of such a type.
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procedure Add_Stub_Constructs (N : Node_Id);
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-- Create the stubs constructs for a remote call interface package
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-- specification or body or for a shared passive specification. For caller
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-- stubs, expansion takes place directly in the specification and no
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-- additional compilation unit is created.
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function Build_RAS_Primitive_Specification
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(Subp_Spec : Node_Id;
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Remote_Object_Type : Node_Id) return Node_Id;
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-- Build a subprogram specification for the primitive operation of the
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-- Remote_Object_Type used to implement a remote access-to-subprogram
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-- type whose parameter profile is given by specification Subp_Spec.
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function Is_All_Remote_Call (N : Node_Id) return Boolean;
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-- Check whether a function or procedure call should be expanded into
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-- a remote call, because the entity is declared in a package decl that
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-- is not currently in scope, and the proper pragmas apply.
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procedure Process_Partition_Id (N : Node_Id);
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-- Replace attribute reference with call to runtime function. The result
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-- is converted to the context type, because the attribute yields a
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-- universal integer value.
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procedure Process_Remote_AST_Attribute (N : Node_Id; New_Type : Entity_Id);
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-- Given N, an access attribute reference node whose prefix is a
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-- remote subprogram, rewrite N with a call to a conversion function
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-- whose return type is New_Type.
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procedure Process_Remote_AST_Declaration (N : Node_Id);
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-- Given N, an access to subprogram type declaration node in RCI or remote
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-- types unit, build a new record (fat pointer) type declaration using the
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-- old Defining_Identifier of N and a link to the old declaration node N
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-- whose Defining_Identifier is changed. We also construct declarations of
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-- two subprograms in the unit specification which handle remote access to
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-- subprogram type (fat pointer) dereference and the unit receiver that
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-- handles remote calls (from remote access to subprogram type values.)
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function Remote_AST_E_Dereference (P : Node_Id) return Boolean;
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-- If the prefix of an explicit dereference is a record type that
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-- represent the fat pointer for an Remote access to subprogram, in the
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-- context of a call, rewrite the enclosing call node into remote call,
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-- the first actual of which is the fat pointer. Return true if the
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-- context is correct and the transformation took place.
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function Remote_AST_I_Dereference (P : Node_Id) return Boolean;
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-- If P is a record type that represents the fat pointer for a remote
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-- access to subprogram, and P is the prefix of a call, insert an explicit
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-- dereference and perform the transformation described for the previous
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-- function.
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function Remote_AST_Null_Value
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(N : Node_Id;
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Typ : Entity_Id) return Boolean;
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-- If N is a null value and Typ a remote access to subprogram type, this
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-- function will check if null needs to be replaced with an aggregate and
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-- will return True in this case. Otherwise, it will return False.
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function Package_Specification_Of_Scope (E : Entity_Id) return Node_Id;
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-- Return the N_Package_Specification corresponding to a scope E
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function Is_RACW_Stub_Type_Operation (Op : Entity_Id) return Boolean;
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-- True when Op is a primitive operation of an RACW stub type
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end Sem_Dist;
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