1------------------------------------------------------------------------------
2--                                                                          --
3--                         GNAT COMPILER COMPONENTS                         --
4--                                                                          --
5--                             P R J . P A R S                              --
6--                                                                          --
7--                                 B o d y                                  --
8--                                                                          --
9--          Copyright (C) 2001-2011, 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
26with Ada.Exceptions; use Ada.Exceptions;
27with GNAT.Directory_Operations; use GNAT.Directory_Operations;
28
29with Output;   use Output;
30with Prj.Conf; use Prj.Conf;
31with Prj.Err;  use Prj.Err;
32with Prj.Part;
33with Prj.Tree; use Prj.Tree;
34with Sinput.P;
35
36package body Prj.Pars is
37
38   -----------
39   -- Parse --
40   -----------
41
42   procedure Parse
43     (In_Tree           : Project_Tree_Ref;
44      Project           : out Project_Id;
45      Project_File_Name : String;
46      Packages_To_Check : String_List_Access;
47      Reset_Tree        : Boolean := True;
48      In_Node_Tree      : Prj.Tree.Project_Node_Tree_Ref := null;
49      Env               : in out Prj.Tree.Environment)
50   is
51      Project_Node            : Project_Node_Id := Empty_Node;
52      The_Project             : Project_Id      := No_Project;
53      Success                 : Boolean         := True;
54      Current_Dir             : constant String := Get_Current_Dir;
55      Project_Node_Tree       : Prj.Tree.Project_Node_Tree_Ref := In_Node_Tree;
56      Automatically_Generated : Boolean;
57      Config_File_Path        : String_Access;
58
59   begin
60      if Project_Node_Tree = null then
61         Project_Node_Tree := new Project_Node_Tree_Data;
62         Prj.Tree.Initialize (Project_Node_Tree);
63      end if;
64
65      --  Parse the main project file into a tree
66
67      Sinput.P.Reset_First;
68      Prj.Part.Parse
69        (In_Tree                => Project_Node_Tree,
70         Project                => Project_Node,
71         Project_File_Name      => Project_File_Name,
72         Errout_Handling        => Prj.Part.Finalize_If_Error,
73         Packages_To_Check      => Packages_To_Check,
74         Current_Directory      => Current_Dir,
75         Env                    => Env,
76         Is_Config_File         => False);
77
78      --  If there were no error, process the tree
79
80      if Project_Node /= Empty_Node then
81         begin
82            --  No config file should be read from the disk for gnatmake.
83            --  However, we will simulate one that only contains the
84            --  default GNAT naming scheme.
85
86            Process_Project_And_Apply_Config
87              (Main_Project               => The_Project,
88               User_Project_Node          => Project_Node,
89               Config_File_Name           => "",
90               Autoconf_Specified         => False,
91               Project_Tree               => In_Tree,
92               Project_Node_Tree          => Project_Node_Tree,
93               Packages_To_Check          => null,
94               Allow_Automatic_Generation => False,
95               Automatically_Generated    => Automatically_Generated,
96               Config_File_Path           => Config_File_Path,
97               Env                        => Env,
98               Normalized_Hostname        => "",
99               On_Load_Config             =>
100                 Add_Default_GNAT_Naming_Scheme'Access,
101               Reset_Tree                 => Reset_Tree);
102
103            Success := The_Project /= No_Project;
104
105         exception
106            when Invalid_Config =>
107               Success := False;
108         end;
109
110         Prj.Err.Finalize;
111
112         if not Success then
113            The_Project := No_Project;
114         end if;
115      end if;
116
117      Project := The_Project;
118
119      --  ??? Should free the project_node_tree, no longer useful
120
121   exception
122      when X : others =>
123
124         --  Internal error
125
126         Write_Line (Exception_Information (X));
127         Write_Str  ("Exception ");
128         Write_Str  (Exception_Name (X));
129         Write_Line (" raised, while processing project file");
130         Project := No_Project;
131   end Parse;
132
133   -------------------
134   -- Set_Verbosity --
135   -------------------
136
137   procedure Set_Verbosity (To : Verbosity) is
138   begin
139      Current_Verbosity := To;
140   end Set_Verbosity;
141
142end Prj.Pars;
143