gcc/ada/exp_dist.ads

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT COMPILER COMPONENTS                         --
   4 --                                                                          --
   5 --                             E X P _ D I S T                              --
   6 --                                                                          --
   7 --                                 S p e c                                  --
   8 --                                                                          --
   9 --          Copyright (C) 1992-2006, Free Software Foundation, Inc.         --
  10 --                                                                          --
  11 -- GNAT is free software;  you can  redistribute it  and/or modify it under --
  12 -- terms of the  GNU General Public License as published  by the Free Soft- --
  13 -- ware  Foundation;  either version 2,  or (at your option) any later ver- --
  14 -- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
  15 -- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
  16 -- or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License --
  17 -- for  more details.  You should have  received  a copy of the GNU General --
  18 -- Public License  distributed with GNAT;  see file COPYING.  If not, write --
  19 -- to  the  Free Software Foundation,  51  Franklin  Street,  Fifth  Floor, --
  20 -- Boston, MA 02110-1301, USA.                                              --
  21 --                                                                          --
  22 -- GNAT was originally developed  by the GNAT team at  New York University. --
  23 -- Extensive contributions were provided by Ada Core Technologies Inc.      --
  24 --                                                                          --
  25 ------------------------------------------------------------------------------
  26
  27 --  This package contains utility routines used for the generation of the
  28 --  stubs relevant to the distribution annex.
  29
  30 with Types; use Types;
  31
  32 package Exp_Dist is
  33
  34    procedure Add_RAST_Features (Vis_Decl : Node_Id);
  35    --  Build and add bodies for dereference and 'Access subprograms for a
  36    --  remote access to subprogram type. Vis_Decl is the declaration node for
  37    --  the RAS type.
  38
  39    procedure Add_RACW_Features (RACW_Type : Entity_Id);
  40    --  Add RACW features. If the RACW and the designated type are not in the
  41    --  same scope, then Add_RACW_Primitive_Declarations_And_Bodies is called
  42    --  automatically since we do know the primitive list already.
  43
  44    procedure Add_RACW_Primitive_Declarations_And_Bodies
  45      (Designated_Type : Entity_Id;
  46       Insertion_Node  : Node_Id;
  47       Decls           : List_Id);
  48    --  Add primitive for the stub type, and the RPC receiver. The declarations
  49    --  are inserted after insertion_Node, while the bodies are appened at the
  50    --  end of Decls.
  51
  52    procedure Remote_Types_Tagged_Full_View_Encountered
  53      (Full_View : Entity_Id);
  54    --  When a full view with a private view is encountered in a Remote_Types
  55    --  package and corresponds to a tagged type, then this procedure is called
  56    --  to generate the needed RACW features if it is needed.
  57
  58    procedure RACW_Type_Is_Asynchronous (RACW_Type : Entity_Id);
  59    --  This subprogram must be called when it is detected that the RACW type
  60    --  is asynchronous.
  61
  62    procedure Expand_Calling_Stubs_Bodies (Unit_Node : Node_Id);
  63    --  Call the expansion phase for the calling stubs. The code will be added
  64    --  at the end of the compilation unit, which is a package spec.
  65
  66    procedure Expand_Receiving_Stubs_Bodies (Unit_Node : Node_Id);
  67    --  Call the expansion phase for the calling stubs. The code will be added
  68    --  at the end of the compilation unit, which may be either a package spec
  69    --  or a package body.
  70
  71    procedure Expand_All_Calls_Remote_Subprogram_Call (N : Node_Id);
  72    --  Rewrite a call to a subprogram located in a Remote_Call_Interface
  73    --  package on which the pragma All_Calls_Remote applies so that it
  74    --  goes through the PCS. N is either an N_Procedure_Call_Statement
  75    --  or an N_Function_Call node.
  76
  77    procedure Build_Passive_Partition_Stub (U : Node_Id);
  78    --  Build stub for a shared passive package. U is the analyzed
  79    --  compilation unit for a package declaration.
  80
  81    function Build_Subprogram_Id
  82      (Loc : Source_Ptr;
  83       E   : Entity_Id) return Node_Id;
  84    --  Build a literal representing the remote subprogram identifier of E
  85
  86    function Copy_Specification
  87      (Loc         : Source_Ptr;
  88       Spec        : Node_Id;
  89       Object_Type : Entity_Id := Empty;
  90       Stub_Type   : Entity_Id := Empty;
  91       New_Name    : Name_Id   := No_Name) return Node_Id;
  92    --  Build a subprogram specification from another one, or from
  93    --  an access-to-subprogram definition. If Object_Type is not Empty
  94    --  and any access to Object_Type is found, then it is replaced by an
  95    --  access to Stub_Type. If New_Name is given, then it will be used as
  96    --  the name for the newly created spec.
  97
  98    function Corresponding_Stub_Type (RACW_Type : Entity_Id) return Entity_Id;
  99    --  Return the stub type associated with the given RACW type
 100
 101    function Underlying_RACW_Type
 102      (RAS_Typ : Entity_Id) return Entity_Id;
 103    --  Given a remote access-to-subprogram type or its equivalent
 104    --  record type, return the RACW type generated to implement it.
 105
 106 end Exp_Dist;