1 ------------------------------------------------------------------------------
3 -- GNAT COMPILER COMPONENTS --
9 -- Copyright (C) 2004-2006 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, 51 Franklin Street, Fifth Floor, --
20 -- Boston, MA 02110-1301, 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 ------------------------------------------------------------------------------
29 with Types; use Types;
31 with GNAT.OS_Lib; use GNAT.OS_Lib;
35 type Fail_Proc is access procedure
39 Do_Fail : Fail_Proc := Osint.Fail'Access;
40 -- Comment required ???
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.
46 function Executable_Prefix_Path return String;
47 -- Return the absolute path parent directory of the directory where the
48 -- current executable resides, if its directory is named "bin", otherwise
49 -- return an empty string.
51 function Is_External_Assignment (Argv : String) return Boolean;
52 -- Verify that an external assignment switch is syntactically correct
57 -- -X"name=other value"
59 -- Assumptions: 'First = 1, Argv (1 .. 2) = "-X"
60 -- When this function returns True, the external assignment has
61 -- been entered by a call to Prj.Ext.Add, so that in a project
62 -- file, External ("name") will return "value".
64 function Linker_Options_Switches
65 (Project : Project_Id;
66 In_Tree : Project_Tree_Ref) return String_List;
67 -- Collect the options specified in the Linker'Linker_Options attributes
68 -- of project Project, in project tree In_Tree, and in the projects that
69 -- it imports directly or indirectly, and returns the result.
71 -- Package Mains is used to store the mains specified on the command line
72 -- and to retrieve them when a project file is used, to verify that the
73 -- files exist and that they belong to a project file.
77 -- Mains are stored in a table. An index is used to retrieve the mains
80 procedure Add_Main (Name : String);
81 -- Add one main to the table
87 -- Reset the index to the beginning of the table
89 function Next_Main return String;
90 -- Increase the index and return the next main.
91 -- If table is exhausted, return an empty string.
93 function Number_Of_Mains return Natural;
94 -- Returns the number of mains added with Add_Main since the last call
99 procedure Test_If_Relative_Path
100 (Switch : in out String_Access;
101 Parent : String_Access;
102 Including_L_Switch : Boolean := True);
103 -- Test if Switch is a relative search path switch.
104 -- If it is, fail if Parent is null, otherwise prepend the path with
105 -- Parent. This subprogram is only called when using project files.
106 -- For gnatbind switches, Including_L_Switch is False, because the
107 -- argument of the -L switch is not a path.
109 ----------------------
110 -- Marking Routines --
111 ----------------------
113 procedure Mark (Source_File : File_Name_Type; Index : Int := 0);
114 -- Mark a unit, identified by its source file and, when Index is not 0,
115 -- the index of the unit in the source file. Marking is used to signal
116 -- that the unit has already been inserted in the Q.
119 (Source_File : File_Name_Type;
120 Index : Int := 0) return Boolean;
121 -- Returns True if the unit was previously marked
123 procedure Delete_All_Marks;
124 -- Remove all file/index couples marked