1------------------------------------------------------------------------------
2--                                                                          --
3--                         GNAT COMPILER COMPONENTS                         --
4--                                                                          --
5--                              P R J . C O M                               --
6--                                                                          --
7--                                 S p e c                                  --
8--                                                                          --
9--          Copyright (C) 2000-2003 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,  59 Temple Place - Suite 330,  Boston, --
20-- MA 02111-1307, 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--  The following package declares data types for GNAT project.
28--  These data types are used in the bodies of the Prj hierarchy.
29
30with GNAT.HTable;
31with Osint;
32with Table;
33with Types; use Types;
34
35package Prj.Com is
36
37   --  At one point, this package was private.
38   --  It cannot be private, because it is used outside of
39   --  the Prj hierarchy.
40
41   type Fail_Proc is access procedure
42     (S1 : String; S2 : String := ""; S3 : String := "");
43
44   Fail : Fail_Proc := Osint.Fail'Access;
45   --  This procedure is used in the project facility, instead of
46   --  directly calling Osint.Fail.
47   --  It may be specified by tools to do clean up before calling
48   --  Osint.Fail, or to simply report an error and return.
49
50   Tool_Name : Name_Id := No_Name;
51
52   Current_Verbosity : Verbosity := Default;
53
54   type Spec_Or_Body is
55     (Specification, Body_Part);
56
57   type File_Name_Data is record
58      Name         : Name_Id := No_Name;
59      Display_Name : Name_Id := No_Name;
60      Path         : Name_Id := No_Name;
61      Display_Path : Name_Id := No_Name;
62      Project      : Project_Id := No_Project;
63      Needs_Pragma : Boolean := False;
64   end record;
65   --  File and Path name of a spec or body.
66
67   type File_Names_Data is array (Spec_Or_Body) of File_Name_Data;
68
69   type Unit_Id is new Nat;
70   No_Unit : constant Unit_Id := 0;
71   type Unit_Data is record
72      Name       : Name_Id    := No_Name;
73      File_Names : File_Names_Data;
74   end record;
75   --  File and Path names of a unit, with a reference to its
76   --  GNAT Project File.
77
78   package Units is new Table.Table
79     (Table_Component_Type => Unit_Data,
80      Table_Index_Type     => Unit_Id,
81      Table_Low_Bound      => 1,
82      Table_Initial        => 100,
83      Table_Increment      => 100,
84      Table_Name           => "Prj.Com.Units");
85
86   type Header_Num is range 0 .. 2047;
87
88   function Hash is new GNAT.HTable.Hash (Header_Num => Header_Num);
89
90   function Hash (Name : Name_Id) return Header_Num;
91
92   function Hash (Name : String_Id) return Header_Num;
93
94   package Units_Htable is new GNAT.HTable.Simple_HTable
95     (Header_Num => Header_Num,
96      Element    => Unit_Id,
97      No_Element => No_Unit,
98      Key        => Name_Id,
99      Hash       => Hash,
100      Equal      => "=");
101
102end Prj.Com;
103