old-autovect-branch/gcc/ada/prj-pars.adb

   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) 2001-2005, 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 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.                                              --
  21 --                                                                          --
  22 -- GNAT was originally developed  by the GNAT team at  New York University. --
  23 -- Extensive contributions were provided by Ada Core Technologies Inc.      --
  24 --                                                                          --
  25 ------------------------------------------------------------------------------
  26
  27 with Ada.Exceptions; use Ada.Exceptions;
  28
  29 with Opt;
  30 with Output;   use Output;
  31 with Prj.Err;  use Prj.Err;
  32 with Prj.Part;
  33 with Prj.Proc;
  34 with Prj.Tree; use Prj.Tree;
  35
  36 package 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 := All_Packages)
  47    is
  48       Project_Node_Tree : constant Project_Node_Tree_Ref :=
  49                             new Project_Node_Tree_Data;
  50       Project_Node      : Project_Node_Id := Empty_Node;
  51       The_Project       : Project_Id      := No_Project;
  52       Success           : Boolean         := True;
  53
  54    begin
  55       Prj.Tree.Initialize (Project_Node_Tree);
  56
  57       --  Parse the main project file into a tree
  58
  59       Prj.Part.Parse
  60         (In_Tree                => Project_Node_Tree,
  61          Project                => Project_Node,
  62          Project_File_Name      => Project_File_Name,
  63          Always_Errout_Finalize => False,
  64          Packages_To_Check      => Packages_To_Check);
  65
  66       --  If there were no error, process the tree
  67
  68       if Project_Node /= Empty_Node then
  69          Prj.Proc.Process
  70            (In_Tree                => In_Tree,
  71             Project                => The_Project,
  72             Success                => Success,
  73             From_Project_Node      => Project_Node,
  74             From_Project_Node_Tree => Project_Node_Tree,
  75             Report_Error           => null,
  76             Follow_Links           => Opt.Follow_Links);
  77          Prj.Err.Finalize;
  78
  79          if not Success then
  80             The_Project := No_Project;
  81          end if;
  82       end if;
  83
  84       Project := The_Project;
  85
  86    exception
  87       when X : others =>
  88
  89          --  Internal error
  90
  91          Write_Line (Exception_Information (X));
  92          Write_Str  ("Exception ");
  93          Write_Str  (Exception_Name (X));
  94          Write_Line (" raised, while processing project file");
  95          Project := No_Project;
  96    end Parse;
  97
  98    -------------------
  99    -- Set_Verbosity --
 100    -------------------
 101
 102    procedure Set_Verbosity (To : in Verbosity) is
 103    begin
 104       Current_Verbosity := To;
 105    end Set_Verbosity;
 106
 107 end Prj.Pars;