1 ------------------------------------------------------------------------------
3 -- GNAT COMPILER COMPONENTS --
9 -- Copyright (C) 2004 Free Software Foundation, Inc. --
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. --
22 -- GNAT was originally developed by the GNAT team at New York University. --
23 -- Extensive contributions were provided by Ada Core Technologies Inc. --
25 ------------------------------------------------------------------------------
27 with GNAT.OS_Lib; use GNAT.OS_Lib;
33 type Fail_Proc is access procedure
34 (S1 : String; S2 : String := ""; S3 : String := "");
35 Do_Fail : Fail_Proc := Osint.Fail'Access;
38 function Is_External_Assignment (Argv : String) return Boolean;
39 -- Verify that an external assignment switch is syntactically correct.
42 -- -X"name=other value"
43 -- Assumptions: 'First = 1, Argv (1 .. 2) = "-X"
44 -- When this function returns True, the external assignment has
45 -- been entered by a call to Prj.Ext.Add, so that in a project
46 -- file, External ("name") will return "value".
48 -- Package Mains is used to store the mains specified on the command line
49 -- and to retrieve them when a project file is used, to verify that the
50 -- files exist and that they belong to a project file.
52 function Linker_Options_Switches (Project : Project_Id) return String_List;
56 -- Mains are stored in a table. An index is used to retrieve the mains
59 procedure Add_Main (Name : String);
60 -- Add one main to the table
66 -- Reset the index to the beginning of the table
68 function Next_Main return String;
69 -- Increase the index and return the next main.
70 -- If table is exhausted, return an empty string.
72 function Number_Of_Mains return Natural;
73 -- Returns the number of mains added with Add_Main since the last call
78 procedure Test_If_Relative_Path
79 (Switch : in out String_Access;
80 Parent : String_Access;
81 Including_L_Switch : Boolean := True);
82 -- Test if Switch is a relative search path switch.
83 -- If it is, fail if Parent is null, otherwise prepend the path with
84 -- Parent. This subprogram is only called when using project files.
85 -- For gnatbind switches, Including_L_Switch is False, because the
86 -- argument of the -L switch is not a path.