gcc/ada/scans.adb

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT COMPILER COMPONENTS                         --
   4 --                                                                          --
   5 --                                S C A N S                                 --
   6 --                                                                          --
   7 --                                 B o d y                                  --
   8 --                                                                          --
   9 --                                                                          --
  10 --          Copyright (C) 1992-2001 Free Software Foundation, Inc.          --
  11 --                                                                          --
  12 -- GNAT is free software;  you can  redistribute it  and/or modify it under --
  13 -- terms of the  GNU General Public License as published  by the Free Soft- --
  14 -- ware  Foundation;  either version 2,  or (at your option) any later ver- --
  15 -- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
  16 -- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
  17 -- or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License --
  18 -- for  more details.  You should have  received  a copy of the GNU General --
  19 -- Public License  distributed with GNAT;  see file COPYING.  If not, write --
  20 -- to  the Free Software Foundation,  59 Temple Place - Suite 330,  Boston, --
  21 -- MA 02111-1307, USA.                                                      --
  22 --                                                                          --
  23 -- As a special exception,  if other files  instantiate  generics from this --
  24 -- unit, or you link  this unit with other files  to produce an executable, --
  25 -- this  unit  does not  by itself cause  the resulting  executable  to  be --
  26 -- covered  by the  GNU  General  Public  License.  This exception does not --
  27 -- however invalidate  any other reasons why  the executable file  might be --
  28 -- covered by the  GNU Public License.                                      --
  29 --                                                                          --
  30 -- GNAT was originally developed  by the GNAT team at  New York University. --
  31 -- It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). --
  32 --                                                                          --
  33 ------------------------------------------------------------------------------
  34
  35 package body Scans is
  36
  37    ------------------------
  38    -- Restore_Scan_State --
  39    ------------------------
  40
  41    procedure Restore_Scan_State (Saved_State : in Saved_Scan_State) is
  42    begin
  43       Scan_Ptr                 := Saved_State.Save_Scan_Ptr;
  44       Token                    := Saved_State.Save_Token;
  45       Token_Ptr                := Saved_State.Save_Token_Ptr;
  46       Current_Line_Start       := Saved_State.Save_Current_Line_Start;
  47       Start_Column             := Saved_State.Save_Start_Column;
  48       Checksum                 := Saved_State.Save_Checksum;
  49       First_Non_Blank_Location := Saved_State.Save_First_Non_Blank_Location;
  50       Token_Node               := Saved_State.Save_Token_Node;
  51       Token_Name               := Saved_State.Save_Token_Name;
  52       Prev_Token               := Saved_State.Save_Prev_Token;
  53       Prev_Token_Ptr           := Saved_State.Save_Prev_Token_Ptr;
  54    end Restore_Scan_State;
  55
  56    ---------------------
  57    -- Save_Scan_State --
  58    ---------------------
  59
  60    procedure Save_Scan_State (Saved_State : out Saved_Scan_State) is
  61    begin
  62       Saved_State.Save_Scan_Ptr                 := Scan_Ptr;
  63       Saved_State.Save_Token                    := Token;
  64       Saved_State.Save_Token_Ptr                := Token_Ptr;
  65       Saved_State.Save_Current_Line_Start       := Current_Line_Start;
  66       Saved_State.Save_Start_Column             := Start_Column;
  67       Saved_State.Save_Checksum                 := Checksum;
  68       Saved_State.Save_First_Non_Blank_Location := First_Non_Blank_Location;
  69       Saved_State.Save_Token_Node               := Token_Node;
  70       Saved_State.Save_Token_Name               := Token_Name;
  71       Saved_State.Save_Prev_Token               := Prev_Token;
  72       Saved_State.Save_Prev_Token_Ptr           := Prev_Token_Ptr;
  73    end Save_Scan_State;
  74
  75 end Scans;