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;
30 with Types; use Types;
34 type Fail_Proc is access procedure
35 (S1 : String; S2 : String := ""; S3 : String := "");
36 Do_Fail : Fail_Proc := Osint.Fail'Access;
38 function Unit_Index_Of (ALI_File : File_Name_Type) return Int;
39 -- Find the index of a unit in a source file. Return zero if the file
40 -- is not a multi-unit source file.
42 function Is_External_Assignment (Argv : String) return Boolean;
43 -- Verify that an external assignment switch is syntactically correct.
46 -- -X"name=other value"
47 -- Assumptions: 'First = 1, Argv (1 .. 2) = "-X"
48 -- When this function returns True, the external assignment has
49 -- been entered by a call to Prj.Ext.Add, so that in a project
50 -- file, External ("name") will return "value".
52 -- Package Mains is used to store the mains specified on the command line
53 -- and to retrieve them when a project file is used, to verify that the
54 -- files exist and that they belong to a project file.
56 function Linker_Options_Switches (Project : Project_Id) return String_List;
60 -- Mains are stored in a table. An index is used to retrieve the mains
63 procedure Add_Main (Name : String);
64 -- Add one main to the table
70 -- Reset the index to the beginning of the table
72 function Next_Main return String;
73 -- Increase the index and return the next main.
74 -- If table is exhausted, return an empty string.
76 function Number_Of_Mains return Natural;
77 -- Returns the number of mains added with Add_Main since the last call
82 procedure Test_If_Relative_Path
83 (Switch : in out String_Access;
84 Parent : String_Access;
85 Including_L_Switch : Boolean := True);
86 -- Test if Switch is a relative search path switch.
87 -- If it is, fail if Parent is null, otherwise prepend the path with
88 -- Parent. This subprogram is only called when using project files.
89 -- For gnatbind switches, Including_L_Switch is False, because the
90 -- argument of the -L switch is not a path.
92 ----------------------
93 -- Marking Routines --
94 ----------------------
96 procedure Mark (Source_File : File_Name_Type; Index : Int := 0);
97 -- Mark a unit, identified by its source file and, when Index is not 0,
98 -- the index of the unit in the source file. Marking is used to signal
99 -- that the unit has already been inserted in the Q.
102 (Source_File : File_Name_Type;
105 -- Returns True if the unit was previously marked.
107 procedure Delete_All_Marks;
108 -- Remove all file/index couples marked