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) 1992-2019, 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
26with Casing;        use Casing;
27with Fname;         use Fname;
28with Fname.UF;      use Fname.UF;
29with SFN_Scan;      use SFN_Scan;
30with Osint;         use Osint;
31with Types;         use Types;
32with System.OS_Lib; use System.OS_Lib;
33
34with Unchecked_Conversion;
35
36package body Fname.SF is
37
38   ----------------------
39   -- Local Procedures --
40   ----------------------
41
42   procedure Set_File_Name
43     (Typ   : Character;
44      U     : String;
45      F     : String;
46      Index : Natural);
47   --  This is a transfer function that is called from Scan_SFN_Pragmas,
48   --  and reformats its parameters appropriately for the version of
49   --  Set_File_Name found in Fname.SF.
50
51   procedure Set_File_Name_Pattern
52     (Pat : String;
53      Typ : Character;
54      Dot : String;
55      Cas : Character);
56   --  This is a transfer function that is called from Scan_SFN_Pragmas,
57   --  and reformats its parameters appropriately for the version of
58   --  Set_File_Name_Pattern found in Fname.SF.
59
60   -----------------------------------
61   -- Read_Source_File_Name_Pragmas --
62   -----------------------------------
63
64   procedure Read_Source_File_Name_Pragmas is
65      FD  : File_Descriptor;
66      Src : Source_Buffer_Ptr;
67      Hi  : Source_Ptr;
68
69   begin
70      Read_Source_File (Name_Enter ("gnat.adc"), 1, Hi, Src, FD);
71
72      if not Null_Source_Buffer_Ptr (Src) then
73         --  We need to strip off the trailing EOF that was added by
74         --  Read_Source_File, because there might be another EOF in
75         --  the file, and two in a row causes Scan_SFN_Pragmas to give
76         --  errors.
77
78         pragma Assert (Src (Hi) = EOF);
79         Scan_SFN_Pragmas
80           (String (Src (1 .. Hi - 1)),
81            Set_File_Name'Access,
82            Set_File_Name_Pattern'Access);
83      end if;
84   end Read_Source_File_Name_Pragmas;
85
86   -------------------
87   -- Set_File_Name --
88   -------------------
89
90   procedure Set_File_Name
91     (Typ   : Character;
92      U     : String;
93      F     : String;
94      Index : Natural)
95   is
96      Unm : Unit_Name_Type;
97      Fnm : File_Name_Type;
98   begin
99      Name_Buffer (1 .. U'Length) := U;
100      Name_Len := U'Length;
101      Set_Casing (All_Lower_Case);
102      Name_Buffer (Name_Len + 1) := '%';
103      Name_Buffer (Name_Len + 2) := Typ;
104      Name_Len := Name_Len + 2;
105      Unm := Name_Find;
106      Name_Buffer (1 .. F'Length) := F;
107      Name_Len := F'Length;
108      Fnm := Name_Find;
109      Fname.UF.Set_File_Name (Unm, Fnm, Nat (Index));
110   end Set_File_Name;
111
112   ---------------------------
113   -- Set_File_Name_Pattern --
114   ---------------------------
115
116   procedure Set_File_Name_Pattern
117     (Pat : String;
118      Typ : Character;
119      Dot : String;
120      Cas : Character)
121   is
122      Ctyp : Casing_Type;
123      Patp : constant String_Ptr := new String'(Pat);
124      Dotp : constant String_Ptr := new String'(Dot);
125
126   begin
127      if Cas = 'l' then
128         Ctyp := All_Lower_Case;
129      elsif Cas = 'u' then
130         Ctyp := All_Upper_Case;
131      else -- Cas = 'm'
132         Ctyp := Mixed_Case;
133      end if;
134
135      Fname.UF.Set_File_Name_Pattern (Patp, Typ, Dotp, Ctyp);
136   end Set_File_Name_Pattern;
137
138end Fname.SF;
139