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   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT COMPILER COMPONENTS                         --
   4 --                                                                          --
   5 --                              P R J . C O M                               --
   6 --                                                                          --
   7 --                                 S p e c                                  --
   8 --                                                                          --
   9 --          Copyright (C) 2000-2004 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
  30 with GNAT.HTable;
  31 with Osint;
  32 with Table;
  33 with Types; use Types;
  34
  35 package 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       Index        : Int     := 0;
  60       Display_Name : Name_Id := No_Name;
  61       Path         : Name_Id := No_Name;
  62       Display_Path : Name_Id := No_Name;
  63       Project      : Project_Id := No_Project;
  64       Needs_Pragma : Boolean := False;
  65    end record;
  66    --  File and Path name of a spec or body.
  67
  68    type File_Names_Data is array (Spec_Or_Body) of File_Name_Data;
  69
  70    type Unit_Id is new Nat;
  71    No_Unit : constant Unit_Id := 0;
  72    type Unit_Data is record
  73       Name       : Name_Id    := No_Name;
  74       File_Names : File_Names_Data;
  75    end record;
  76    --  File and Path names of a unit, with a reference to its
  77    --  GNAT Project File.
  78
  79    package Units is new Table.Table
  80      (Table_Component_Type => Unit_Data,
  81       Table_Index_Type     => Unit_Id,
  82       Table_Low_Bound      => 1,
  83       Table_Initial        => 100,
  84       Table_Increment      => 100,
  85       Table_Name           => "Prj.Com.Units");
  86
  87    type Header_Num is range 0 .. 2047;
  88
  89    function Hash is new GNAT.HTable.Hash (Header_Num => Header_Num);
  90
  91    function Hash (Name : Name_Id) return Header_Num;
  92
  93    function Hash (Name : String_Id) return Header_Num;
  94
  95    package Units_Htable is new GNAT.HTable.Simple_HTable
  96      (Header_Num => Header_Num,
  97       Element    => Unit_Id,
  98       No_Element => No_Unit,
  99       Key        => Name_Id,
 100       Hash       => Hash,
 101       Equal      => "=");
 102    --  Mapping of unit names to indexes in the Units table
 103
 104    type Unit_Project is record
 105       Unit    : Unit_Id    := No_Unit;
 106       Project : Project_Id := No_Project;
 107    end record;
 108
 109    No_Unit_Project : constant Unit_Project := (No_Unit, No_Project);
 110
 111    package Files_Htable is new GNAT.HTable.Simple_HTable
 112      (Header_Num => Header_Num,
 113       Element    => Unit_Project,
 114       No_Element => No_Unit_Project,
 115       Key        => Name_Id,
 116       Hash       => Hash,
 117       Equal      => "=");
 118    --  Mapping of file names to indexes in the Units table
 119
 120 end Prj.Com;