OpenCores
URL https://opencores.org/ocsvn/openrisc/openrisc/trunk

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [gnu-stable/] [gcc-4.5.1/] [gcc/] [ada/] [prj-ext.ads] - Blame information for rev 826

Details | Compare with Previous | View Log

Line No. Rev Author Line
1 281 jeremybenn
------------------------------------------------------------------------------
2
--                                                                          --
3
--                         GNAT COMPILER COMPONENTS                         --
4
--                                                                          --
5
--                              P R J . E X T                               --
6
--                                                                          --
7
--                                 S p e c                                  --
8
--                                                                          --
9
--          Copyright (C) 2000-2009, 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 3,  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 COPYING3.  If not, go to --
19
-- http://www.gnu.org/licenses for a complete copy of the license.          --
20
--                                                                          --
21
-- GNAT was originally developed  by the GNAT team at  New York University. --
22
-- Extensive contributions were provided by Ada Core Technologies Inc.      --
23
--                                                                          --
24
------------------------------------------------------------------------------
25
 
26
--  Subprograms to set, get and cache external references, to be used as
27
--  External functions in project files.
28
 
29
with Prj.Tree;
30
 
31
package Prj.Ext is
32
 
33
   ------------------
34
   -- Project Path --
35
   ------------------
36
 
37
   procedure Add_Search_Project_Directory
38
     (Tree : Prj.Tree.Project_Node_Tree_Ref;
39
      Path : String);
40
   --  Add a directory to the project path. Directories added with this
41
   --  procedure are added in order after the current directory and before
42
   --  the path given by the environment variable GPR_PROJECT_PATH. A value
43
   --  of "-" will remove the default project directory from the project path.
44
   --
45
   --  Calls to this subprogram must be performed before the first call to
46
   --  Project_Path below, or PATH will be added at the end of the search
47
   --  path.
48
 
49
   function Project_Path (Tree : Prj.Tree.Project_Node_Tree_Ref) return String;
50
   --  Return the current value of the project path, either the value set
51
   --  during elaboration of the package or, if procedure Set_Project_Path has
52
   --  been called, the value set by the last call to Set_Project_Path.
53
 
54
   procedure Set_Project_Path
55
     (Tree     : Prj.Tree.Project_Node_Tree_Ref;
56
      New_Path : String);
57
   --  Give a new value to the project path. The new value New_Path should
58
   --  always start with the current directory (".") and the path separators
59
   --  should be the correct ones for the platform.
60
 
61
   -------------------------
62
   -- External References --
63
   -------------------------
64
 
65
   --  External references influence the way a project tree is processed (in
66
   --  particular they provide the values for the typed string variables that
67
   --  are then used in case constructions).
68
 
69
   --  External references are project-tree specific, so that when multiple
70
   --  trees are loaded in parallel we can have different scenarios (or even
71
   --  load the same tree twice and see different views of it).
72
 
73
   procedure Add
74
     (Tree          : Prj.Tree.Project_Node_Tree_Ref;
75
      External_Name : String;
76
      Value         : String);
77
   --  Add an external reference (or modify an existing one)
78
 
79
   function Value_Of
80
     (Tree          : Prj.Tree.Project_Node_Tree_Ref;
81
      External_Name : Name_Id;
82
      With_Default  : Name_Id := No_Name)
83
      return          Name_Id;
84
   --  Get the value of an external reference, and cache it for future uses
85
 
86
   function Check
87
     (Tree        : Prj.Tree.Project_Node_Tree_Ref;
88
      Declaration : String) return Boolean;
89
   --  Check that an external declaration <external>=<value> is correct.
90
   --  If it is correct, the external reference is Added.
91
 
92
   procedure Reset (Tree : Prj.Tree.Project_Node_Tree_Ref);
93
   --  Clear the internal data structure that stores the external references
94
   --  and free any allocated memory.
95
 
96
end Prj.Ext;

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.