gcc/ada/fname-sf.adb

   1 ------------------------------------------------------------------------------
   2 --                                                                          --
   3 --                         GNAT COMPILER COMPONENTS                         --
   4 --                                                                          --
   5 --                             F N A M E . S F                              --
   6 --                                                                          --
   7 --                                 B o d y                                  --
   8 --                                                                          --
   9 --          Copyright (C) 1992-2008, 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 Casing;   use Casing;
  27 with Fname;    use Fname;
  28 with Fname.UF; use Fname.UF;
  29 with SFN_Scan; use SFN_Scan;
  30 with Osint;    use Osint;
  31 with Types;    use Types;
  32
  33 with Unchecked_Conversion;
  34
  35 package body Fname.SF is
  36
  37    function To_Big_String_Ptr is new Unchecked_Conversion
  38      (Source_Buffer_Ptr, Big_String_Ptr);
  39
  40    ----------------------
  41    -- Local Procedures --
  42    ----------------------
  43
  44    procedure Set_File_Name
  45      (Typ   : Character;
  46       U     : String;
  47       F     : String;
  48       Index : Natural);
  49    --  This is a transfer function that is called from Scan_SFN_Pragmas,
  50    --  and reformats its parameters appropriately for the version of
  51    --  Set_File_Name found in Fname.SF.
  52
  53    procedure Set_File_Name_Pattern
  54      (Pat : String;
  55       Typ : Character;
  56       Dot : String;
  57       Cas : Character);
  58    --  This is a transfer function that is called from Scan_SFN_Pragmas,
  59    --  and reformats its parameters appropriately for the version of
  60    --  Set_File_Name_Pattern found in Fname.SF.
  61
  62    -----------------------------------
  63    -- Read_Source_File_Name_Pragmas --
  64    -----------------------------------
  65
  66    procedure Read_Source_File_Name_Pragmas is
  67       Src : Source_Buffer_Ptr;
  68       Hi  : Source_Ptr;
  69       BS  : Big_String_Ptr;
  70       SP  : String_Ptr;
  71
  72    begin
  73       Name_Buffer (1 .. 8) := "gnat.adc";
  74       Name_Len := 8;
  75       Read_Source_File (Name_Enter, 0, Hi, Src);
  76
  77       if Src /= null then
  78          BS := To_Big_String_Ptr (Src);
  79          SP := BS (1 .. Natural (Hi))'Unrestricted_Access;
  80          Scan_SFN_Pragmas
  81            (SP.all,
  82             Set_File_Name'Access,
  83             Set_File_Name_Pattern'Access);
  84       end if;
  85    end Read_Source_File_Name_Pragmas;
  86
  87    -------------------
  88    -- Set_File_Name --
  89    -------------------
  90
  91    procedure Set_File_Name
  92      (Typ   : Character;
  93       U     : String;
  94       F     : String;
  95       Index : Natural)
  96    is
  97       Unm : Unit_Name_Type;
  98       Fnm : File_Name_Type;
  99    begin
 100       Name_Buffer (1 .. U'Length) := U;
 101       Name_Len := U'Length;
 102       Set_Casing (All_Lower_Case);
 103       Name_Buffer (Name_Len + 1) := '%';
 104       Name_Buffer (Name_Len + 2) := Typ;
 105       Name_Len := Name_Len + 2;
 106       Unm := Name_Find;
 107       Name_Buffer (1 .. F'Length) := F;
 108       Name_Len := F'Length;
 109       Fnm := Name_Find;
 110       Fname.UF.Set_File_Name (Unm, Fnm, Nat (Index));
 111    end Set_File_Name;
 112
 113    ---------------------------
 114    -- Set_File_Name_Pattern --
 115    ---------------------------
 116
 117    procedure Set_File_Name_Pattern
 118      (Pat : String;
 119       Typ : Character;
 120       Dot : String;
 121       Cas : Character)
 122    is
 123       Ctyp : Casing_Type;
 124       Patp : constant String_Ptr := new String'(Pat);
 125       Dotp : constant String_Ptr := new String'(Dot);
 126
 127    begin
 128       if Cas = 'l' then
 129          Ctyp := All_Lower_Case;
 130       elsif Cas = 'u' then
 131          Ctyp := All_Upper_Case;
 132       else -- Cas = 'm'
 133          Ctyp := Mixed_Case;
 134       end if;
 135
 136       Fname.UF.Set_File_Name_Pattern (Patp, Typ, Dotp, Ctyp);
 137    end Set_File_Name_Pattern;
 138
 139 end Fname.SF;