1 ------------------------------------------------------------------------------
3 -- GNAT COMPILER COMPONENTS --
9 -- Copyright (C) 2000-2007, 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 ------------------------------------------------------------------------------
27 -- Subprograms to set, get and cache external references, to be used as
28 -- External functions in project files.
32 procedure Add_Search_Project_Directory (Path : String);
33 -- Add a directory to the project path. Directories added with this
34 -- procedure are added in order after the current directory and before
35 -- the path given by the environment variable GPR_PROJECT_PATH. A value
36 -- of "-" will remove the default project directory from the project path.
38 function Project_Path return String;
39 -- Return the current value of the project path, either the value set
40 -- during elaboration of the package or, if procedure Set_Project_Path has
41 -- been called, the value set by the last call to Set_Project_Path.
43 procedure Set_Project_Path (New_Path : String);
44 -- Give a new value to the project path. The new value New_Path should
45 -- always start with the current directory (".") and the path separators
46 -- should be the correct ones for the platform.
49 (External_Name : String;
51 -- Add an external reference (or modify an existing one)
54 (External_Name : Name_Id;
55 With_Default : Name_Id := No_Name)
57 -- Get the value of an external reference, and cache it for future uses
59 function Check (Declaration : String) return Boolean;
60 -- Check that an external declaration <external>=<value> is correct.
61 -- If it is correct, the external reference is Added.
64 -- Clear the internal data structure that stores the external references
65 -- and free any allocated memory.