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) 2001-2007, 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 with Ada.Exceptions; use Ada.Exceptions;
  27
  28 with Opt;
  29 with Output;   use Output;
  30 with Prj.Err;  use Prj.Err;
  31 with Prj.Part;
  32 with Prj.Proc;
  33 with Prj.Tree; use Prj.Tree;
  34 with Sinput.P;
  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       When_No_Sources   : Error_Warning := Error;
  48       Reset_Tree        : Boolean := True)
  49    is
  50       Project_Node_Tree : constant Project_Node_Tree_Ref :=
  51                             new Project_Node_Tree_Data;
  52       Project_Node      : Project_Node_Id := Empty_Node;
  53       The_Project       : Project_Id      := No_Project;
  54       Success           : Boolean         := True;
  55
  56    begin
  57       Prj.Tree.Initialize (Project_Node_Tree);
  58
  59       --  Parse the main project file into a tree
  60
  61       Sinput.P.Reset_First;
  62       Prj.Part.Parse
  63         (In_Tree                => Project_Node_Tree,
  64          Project                => Project_Node,
  65          Project_File_Name      => Project_File_Name,
  66          Always_Errout_Finalize => False,
  67          Packages_To_Check      => Packages_To_Check);
  68
  69       --  If there were no error, process the tree
  70
  71       if Project_Node /= Empty_Node then
  72          Prj.Proc.Process
  73            (In_Tree                => In_Tree,
  74             Project                => The_Project,
  75             Success                => Success,
  76             From_Project_Node      => Project_Node,
  77             From_Project_Node_Tree => Project_Node_Tree,
  78             Report_Error           => null,
  79             Follow_Links           => Opt.Follow_Links,
  80             When_No_Sources        => When_No_Sources,
  81             Reset_Tree             => Reset_Tree);
  82          Prj.Err.Finalize;
  83
  84          if not Success then
  85             The_Project := No_Project;
  86          end if;
  87       end if;
  88
  89       Project := The_Project;
  90
  91    exception
  92       when X : others =>
  93
  94          --  Internal error
  95
  96          Write_Line (Exception_Information (X));
  97          Write_Str  ("Exception ");
  98          Write_Str  (Exception_Name (X));
  99          Write_Line (" raised, while processing project file");
 100          Project := No_Project;
 101    end Parse;
 102
 103    -------------------
 104    -- Set_Verbosity --
 105    -------------------
 106
 107    procedure Set_Verbosity (To : Verbosity) is
 108    begin
 109       Current_Verbosity := To;
 110    end Set_Verbosity;
 111
 112 end Prj.Pars;