1------------------------------------------------------------------------------
2--                                                                          --
3--                         GNAT COMPILER COMPONENTS                         --
4--                                                                          --
5--                             S E M _ C H 1 0                              --
6--                                                                          --
7--                                 S p e c                                  --
8--                                                                          --
9--          Copyright (C) 1992-2010, 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 3,  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 COPYING3.  If not, go to --
19-- http://www.gnu.org/licenses for a complete copy of the license.          --
20--                                                                          --
21-- GNAT was originally developed  by the GNAT team at  New York University. --
22-- Extensive contributions were provided by Ada Core Technologies Inc.      --
23--                                                                          --
24------------------------------------------------------------------------------
25
26with Types; use Types;
27package Sem_Ch10 is
28   procedure Analyze_Compilation_Unit                   (N : Node_Id);
29   procedure Analyze_With_Clause                        (N : Node_Id);
30   procedure Analyze_Subprogram_Body_Stub               (N : Node_Id);
31   procedure Analyze_Package_Body_Stub                  (N : Node_Id);
32   procedure Analyze_Task_Body_Stub                     (N : Node_Id);
33   procedure Analyze_Protected_Body_Stub                (N : Node_Id);
34   procedure Analyze_Subunit                            (N : Node_Id);
35
36   procedure Install_Context (N : Node_Id);
37   --  Installs the entities from the context clause of the given compilation
38   --  unit into the visibility chains. This is done before analyzing a unit.
39   --  For a child unit, install context of parents as well.
40
41   procedure Install_Private_With_Clauses (P : Entity_Id);
42   --  Install the private with_clauses of a compilation unit, when compiling
43   --  its private part, compiling a private child unit, or compiling the
44   --  private declarations of a public child unit.
45
46   function Is_Legal_Shadow_Entity_In_Body (T : Entity_Id) return Boolean;
47   --  Assuming that type T is an incomplete type coming from a limited with
48   --  view, determine whether the package where T resides is imported through
49   --  a regular with clause in the current package body.
50
51   procedure Remove_Context (N : Node_Id);
52   --  Removes the entities from the context clause of the given compilation
53   --  unit from the visibility chains. This is done on exit from a unit as
54   --  part of cleaning up the visibility chains for the caller. A special
55   --  case is that the call from the Main_Unit can be ignored, since at the
56   --  end of the main unit the visibility table won't be needed in any case.
57   --  For a child unit, remove parents and their context as well.
58
59   procedure Remove_Private_With_Clauses (Comp_Unit : Node_Id);
60   --  The private_with_clauses of a compilation unit are visible in the
61   --  private part of a nested package, even if this package appears in
62   --  the visible part of the enclosing compilation unit. This Ada 2005
63   --  rule imposes extra steps in order to install/remove the private_with
64   --  clauses of an enclosing unit.
65
66   procedure Load_Needed_Body
67     (N          : Node_Id;
68      OK         : out Boolean;
69      Do_Analyze : Boolean := True);
70   --  Load and analyze the body of a context unit that is generic, or that
71   --  contains generic units or inlined units. The body becomes part of the
72   --  semantic dependency set of the unit that needs it. The returned result
73   --  in OK is True if the load is successful, and False if the requested file
74   --  cannot be found. If the flag Do_Analyze is false, the unit is loaded and
75   --  parsed only. This allows a selective analysis in some inlining cases
76   --  where a full analysis would lead so circularities in the back-end.
77
78end Sem_Ch10;
79