| ------------------------------------------------------------------------------ |
| -- -- |
| -- GNAT COMPILER COMPONENTS -- |
| -- -- |
| -- E X P _ D I S T -- |
| -- -- |
| -- S p e c -- |
| -- -- |
| -- Copyright (C) 1992-2014, 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. -- |
| -- -- |
| ------------------------------------------------------------------------------ |
| |
| -- This package contains utility routines used for the generation of the |
| -- stubs relevant to the distribution annex. |
| |
| with Namet; use Namet; |
| with Snames; use Snames; |
| with Types; use Types; |
| |
| package Exp_Dist is |
| |
| PCS_Version_Number : constant array (PCS_Names) of Int := |
| (Name_No_DSA => 1, |
| Name_GARLIC_DSA => 1, |
| Name_PolyORB_DSA => 6); |
| -- PCS interface version. This is used to check for consistency between the |
| -- compiler used to generate distribution stubs and the PCS implementation. |
| -- It must be incremented whenever a change is made to the generated code |
| -- for distribution stubs that would result in the compiler being |
| -- incompatible with an older version of the PCS, or vice versa. |
| |
| procedure Add_RAST_Features (Vis_Decl : Node_Id); |
| -- Build and add bodies for dereference and 'Access subprograms for a |
| -- remote access to subprogram type. Vis_Decl is the declaration node for |
| -- the RAS type. |
| |
| procedure Add_RACW_Features (RACW_Type : Entity_Id); |
| -- Add RACW features. If the RACW and the designated type are not in the |
| -- same scope, then Add_RACW_Primitive_Declarations_And_Bodies is called |
| -- automatically since we do know the primitive list already. |
| |
| procedure Add_RACW_Primitive_Declarations_And_Bodies |
| (Designated_Type : Entity_Id; |
| Insertion_Node : Node_Id; |
| Body_Decls : List_Id); |
| -- Add primitive for the stub type, and the RPC receiver. The declarations |
| -- are inserted after Insertion_Node, while the bodies are appended at the |
| -- end of Body_Decls. |
| |
| procedure Remote_Types_Tagged_Full_View_Encountered |
| (Full_View : Entity_Id); |
| -- When a full view with a private view is encountered in a Remote_Types |
| -- package and corresponds to a tagged type, then this procedure is called |
| -- to generate the needed RACW features if it is needed. |
| |
| procedure RACW_Type_Is_Asynchronous (RACW_Type : Entity_Id); |
| -- This subprogram must be called when it is detected that the RACW type |
| -- is asynchronous. |
| |
| procedure Expand_Calling_Stubs_Bodies (Unit_Node : Node_Id); |
| -- Call the expansion phase for the calling stubs. The code will be added |
| -- at the end of the compilation unit, which is a package spec. |
| |
| procedure Expand_Receiving_Stubs_Bodies (Unit_Node : Node_Id); |
| -- Call the expansion phase for the receiving stubs. The code will be added |
| -- at the end of the compilation unit, which may be either a package spec |
| -- or a package body. |
| |
| procedure Expand_All_Calls_Remote_Subprogram_Call (N : Node_Id); |
| -- Rewrite a call to a subprogram located in a Remote_Call_Interface |
| -- package to which the pragma All_Calls_Remote applies so that it |
| -- goes through the PCS. N is either an N_Procedure_Call_Statement |
| -- or an N_Function_Call node. |
| |
| procedure Build_Passive_Partition_Stub (U : Node_Id); |
| -- Build stub for a shared passive package. U is the analyzed |
| -- compilation unit for a package declaration. |
| |
| function Build_Subprogram_Id |
| (Loc : Source_Ptr; |
| E : Entity_Id) return Node_Id; |
| -- Build a literal representing the remote subprogram identifier of E |
| |
| function Copy_Specification |
| (Loc : Source_Ptr; |
| Spec : Node_Id; |
| Ctrl_Type : Entity_Id := Empty; |
| New_Name : Name_Id := No_Name) return Node_Id; |
| -- Build a subprogram specification from another one, or from an |
| -- access-to-subprogram definition. If Ctrl_Type is not Empty, and any |
| -- controlling formal of an anonymous access type is found, then it is |
| -- replaced by an access to Ctrl_Type. If New_Name is given, then it will |
| -- be used as the name for the newly created spec. |
| -- |
| -- Possibly factor this wrt Exp_Ch9.Build_Private_Protected_Declaration??? |
| |
| function Corresponding_Stub_Type (RACW_Type : Entity_Id) return Entity_Id; |
| -- Return the stub type associated with the given RACW type |
| |
| function Underlying_RACW_Type (RAS_Typ : Entity_Id) return Entity_Id; |
| -- Given a remote access-to-subprogram type or its equivalent |
| -- record type, return the RACW type generated to implement it. |
| |
| procedure Append_RACW_Bodies (Decls : List_Id; Spec_Id : Entity_Id); |
| -- Append the unanalyzed subprogram bodies generated to support RACWs |
| -- declared in the given package spec (RACW stream subprograms, calling |
| -- stubs primitive operations) to the given list (which is expected to be |
| -- the declarations list for the corresponding package body, if there is |
| -- one). In the case where a body is present, the subprogram bodies must |
| -- not be generated in the package spec because this would cause an |
| -- incorrect attempt to freeze Taft amendment types declared in the spec. |
| |
| function Make_Transportable_Check |
| (Loc : Source_Ptr; |
| Expr : Node_Id) return Node_Id; |
| -- Generate a check that the given expression (an actual in a remote |
| -- subprogram call, or the return value of a function in the context of |
| -- a remote call) satisfies the requirements for being transportable |
| -- across partitions, raising Program_Error if it does not. |
| |
| ---------------------------------------------------------------- |
| -- Functions for expansion of PolyORB/DSA specific attributes -- |
| ---------------------------------------------------------------- |
| |
| function Build_From_Any_Call |
| (Typ : Entity_Id; |
| N : Node_Id; |
| Decls : List_Id) return Node_Id; |
| -- Build call to From_Any attribute function of type Typ with expression |
| -- N as actual parameter. Decls is the declarations list for an appropriate |
| -- enclosing scope of the point where the call will be inserted; if the |
| -- From_Any attribute for Typ needs to be generated at this point, its |
| -- declaration is appended to Decls. |
| |
| function Build_To_Any_Call |
| (Loc : Source_Ptr; |
| N : Node_Id; |
| Decls : List_Id; |
| Constrained : Boolean := False) return Node_Id; |
| -- Build call to To_Any attribute function with expression as actual |
| -- parameter. Loc is the reference location for generated nodes, Decls is |
| -- the declarations list for an appropriate enclosing scope of the point |
| -- where the call will be inserted; if the To_Any attribute for Typ needs |
| -- to be generated at this point, its declaration is appended to Decls. |
| -- For limited types, if Constrained is True then use 'Write else use |
| -- 'Output. |
| |
| function Build_TypeCode_Call |
| (Loc : Source_Ptr; |
| Typ : Entity_Id; |
| Decls : List_Id) return Node_Id; |
| -- Build call to TypeCode attribute function for Typ. Decls is the |
| -- declarations list for an appropriate enclosing scope of the point |
| -- where the call will be inserted; if the To_Any attribute for Typ |
| -- needs to be generated at this point, its declaration is appended |
| -- to Decls. |
| |
| end Exp_Dist; |
