File : 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;