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) 1992-2024, 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.UF;      use Fname.UF;
  28 with SFN_Scan;      use SFN_Scan;
  29 with Osint;         use Osint;
  30 with Types;         use Types;
  31 with System.OS_Lib; use System.OS_Lib;
  32
  33 package body Fname.SF is
  34
  35    ----------------------
  36    -- Local Procedures --
  37    ----------------------
  38
  39    procedure Set_File_Name
  40      (Typ   : Character;
  41       U     : String;
  42       F     : String;
  43       Index : Natural);
  44    --  This is a transfer function that is called from Scan_SFN_Pragmas,
  45    --  and reformats its parameters appropriately for the version of
  46    --  Set_File_Name found in Fname.SF.
  47
  48    procedure Set_File_Name_Pattern
  49      (Pat : String;
  50       Typ : Character;
  51       Dot : String;
  52       Cas : Character);
  53    --  This is a transfer function that is called from Scan_SFN_Pragmas,
  54    --  and reformats its parameters appropriately for the version of
  55    --  Set_File_Name_Pattern found in Fname.SF.
  56
  57    -----------------------------------
  58    -- Read_Source_File_Name_Pragmas --
  59    -----------------------------------
  60
  61    procedure Read_Source_File_Name_Pragmas is
  62       FD  : File_Descriptor;
  63       Src : Source_Buffer_Ptr;
  64       Hi  : Source_Ptr;
  65
  66    begin
  67       Read_Source_File (Name_Enter ("gnat.adc"), 1, Hi, Src, FD);
  68
  69       if not Null_Source_Buffer_Ptr (Src) then
  70          --  We need to strip off the trailing EOF that was added by
  71          --  Read_Source_File, because there might be another EOF in
  72          --  the file, and two in a row causes Scan_SFN_Pragmas to give
  73          --  errors.
  74
  75          pragma Assert (Src (Hi) = EOF);
  76          Scan_SFN_Pragmas
  77            (String (Src (1 .. Hi - 1)),
  78             Set_File_Name'Access,
  79             Set_File_Name_Pattern'Access);
  80       end if;
  81    end Read_Source_File_Name_Pragmas;
  82
  83    -------------------
  84    -- Set_File_Name --
  85    -------------------
  86
  87    procedure Set_File_Name
  88      (Typ   : Character;
  89       U     : String;
  90       F     : String;
  91       Index : Natural)
  92    is
  93       Unm : Unit_Name_Type;
  94       Fnm : File_Name_Type;
  95    begin
  96       Name_Buffer (1 .. U'Length) := U;
  97       Name_Len := U'Length;
  98       Set_Casing (All_Lower_Case);
  99       Name_Buffer (Name_Len + 1) := '%';
 100       Name_Buffer (Name_Len + 2) := Typ;
 101       Name_Len := Name_Len + 2;
 102       Unm := Name_Find;
 103       Name_Buffer (1 .. F'Length) := F;
 104       Name_Len := F'Length;
 105       Fnm := Name_Find;
 106       Fname.UF.Set_File_Name (Unm, Fnm, Nat (Index));
 107    end Set_File_Name;
 108
 109    ---------------------------
 110    -- Set_File_Name_Pattern --
 111    ---------------------------
 112
 113    procedure Set_File_Name_Pattern
 114      (Pat : String;
 115       Typ : Character;
 116       Dot : String;
 117       Cas : Character)
 118    is
 119       Ctyp : Casing_Type;
 120       Patp : constant String_Ptr := new String'(Pat);
 121       Dotp : constant String_Ptr := new String'(Dot);
 122
 123    begin
 124       if Cas = 'l' then
 125          Ctyp := All_Lower_Case;
 126       elsif Cas = 'u' then
 127          Ctyp := All_Upper_Case;
 128       else -- Cas = 'm'
 129          Ctyp := Mixed_Case;
 130       end if;
 131
 132       Fname.UF.Set_File_Name_Pattern (Patp, Typ, Dotp, Ctyp);
 133    end Set_File_Name_Pattern;
 134
 135 end Fname.SF;