gcc/ada/makeutl.ads

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT COMPILER COMPONENTS                         --
   4 --                                                                          --
   5 --                              M A K E U T L                               --
   6 --                                                                          --
   7 --                                 S p e c                                  --
   8 --                                                                          --
   9 --          Copyright (C) 2004-2005 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 with Osint;
  28 with Prj;   use Prj;
  29 with Types; use Types;
  30
  31 with GNAT.OS_Lib; use GNAT.OS_Lib;
  32
  33 package Makeutl is
  34
  35    type Fail_Proc is access procedure
  36      (S1 : String;
  37       S2 : String := "";
  38       S3 : String := "");
  39    Do_Fail : Fail_Proc := Osint.Fail'Access;
  40    --  Comment required ???
  41
  42    function Unit_Index_Of (ALI_File : File_Name_Type) return Int;
  43    --  Find the index of a unit in a source file. Return zero if the file
  44    --  is not a multi-unit source file.
  45
  46    function Is_External_Assignment (Argv : String) return Boolean;
  47    --  Verify that an external assignment switch is syntactically correct
  48    --
  49    --  Correct forms are:
  50    --
  51    --      -Xname=value
  52    --      -X"name=other value"
  53    --
  54    --  Assumptions: 'First = 1, Argv (1 .. 2) = "-X"
  55    --  When this function returns True, the external assignment has
  56    --  been entered by a call to Prj.Ext.Add, so that in a project
  57    --  file, External ("name") will return "value".
  58
  59    function Linker_Options_Switches
  60      (Project  : Project_Id;
  61       In_Tree  : Project_Tree_Ref) return String_List;
  62    --  Collect the options specified in the Linker'Linker_Options attributes
  63    --  of project Project, in project tree In_Tree, and in the projects that
  64    --  it imports directly or indirectly, and returns the result.
  65
  66    --  Package Mains is used to store the mains specified on the command line
  67    --  and to retrieve them when a project file is used, to verify that the
  68    --  files exist and that they belong to a project file.
  69
  70    package Mains is
  71
  72       --  Mains are stored in a table. An index is used to retrieve the mains
  73       --  from the table.
  74
  75       procedure Add_Main (Name : String);
  76       --  Add one main to the table
  77
  78       procedure Delete;
  79       --  Empty the table
  80
  81       procedure Reset;
  82       --  Reset the index to the beginning of the table
  83
  84       function Next_Main return String;
  85       --  Increase the index and return the next main.
  86       --  If table is exhausted, return an empty string.
  87
  88       function Number_Of_Mains return Natural;
  89       --  Returns the number of mains added with Add_Main since the last call
  90       --  to Delete.
  91
  92    end Mains;
  93
  94    procedure Test_If_Relative_Path
  95      (Switch             : in out String_Access;
  96       Parent             : String_Access;
  97       Including_L_Switch : Boolean := True);
  98    --  Test if Switch is a relative search path switch.
  99    --  If it is, fail if Parent is null, otherwise prepend the path with
 100    --  Parent. This subprogram is only called when using project files.
 101    --  For gnatbind switches, Including_L_Switch is False, because the
 102    --  argument of the -L switch is not a path.
 103
 104    ----------------------
 105    -- Marking Routines --
 106    ----------------------
 107
 108    procedure Mark (Source_File : File_Name_Type; Index : Int := 0);
 109    --  Mark a unit, identified by its source file and, when Index is not 0,
 110    --  the index of the unit in the source file. Marking is used to signal
 111    --  that the unit has already been inserted in the Q.
 112
 113    function Is_Marked
 114      (Source_File : File_Name_Type;
 115       Index       : Int := 0) return Boolean;
 116    --  Returns True if the unit was previously marked
 117
 118    procedure Delete_All_Marks;
 119    --  Remove all file/index couples marked
 120
 121 end Makeutl;