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
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;
32
33with Unchecked_Conversion;
34
35package 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
139end Fname.SF;
140