File : osint-b.adb
1 ------------------------------------------------------------------------------
2 -- --
3 -- GNAT COMPILER COMPONENTS --
4 -- --
5 -- O S I N T - B --
6 -- --
7 -- B o d y --
8 -- --
9 -- Copyright (C) 2001-2015, 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 Opt; use Opt;
27 with Output; use Output;
28
29 package body Osint.B is
30
31 Current_List_File : File_Descriptor := Invalid_FD;
32
33 -------------------------
34 -- Close_Binder_Output --
35 -------------------------
36
37 procedure Close_Binder_Output is
38 Status : Boolean;
39 begin
40 Close (Output_FD, Status);
41
42 if not Status then
43 Fail
44 ("error while closing generated file "
45 & Get_Name_String (Output_File_Name));
46 end if;
47
48 end Close_Binder_Output;
49
50 ---------------------
51 -- Close_List_File --
52 ---------------------
53
54 procedure Close_List_File is
55 begin
56 if Current_List_File /= Invalid_FD then
57 Close (Current_List_File);
58 Current_List_File := Invalid_FD;
59 Set_Standard_Output;
60 end if;
61 end Close_List_File;
62
63 --------------------------
64 -- Create_Binder_Output --
65 --------------------------
66
67 procedure Create_Binder_Output
68 (Output_File_Name : String;
69 Typ : Character;
70 Bfile : out Name_Id)
71 is
72 File_Name : String_Ptr;
73 Findex1 : Natural;
74 Findex2 : Natural;
75 Flength : Natural;
76
77 Bind_File_Prefix_Len : constant Natural := 2;
78 -- Length of binder file prefix (2 for b~)
79
80 begin
81 if Output_File_Name /= "" then
82 Name_Buffer (1 .. Output_File_Name'Length) := Output_File_Name;
83 Name_Buffer (Output_File_Name'Length + 1) := ASCII.NUL;
84
85 if Typ = 's' then
86 Name_Buffer (Output_File_Name'Last) := 's';
87 end if;
88
89 Name_Len := Output_File_Name'Last;
90
91 else
92 Name_Buffer (1) := 'b';
93 File_Name := File_Names (Current_File_Name_Index);
94
95 Findex1 := File_Name'First;
96
97 -- The ali file might be specified by a full path name. However,
98 -- the binder generated file should always be created in the
99 -- current directory, so the path might need to be stripped away.
100 -- In addition to the default directory_separator allow the '/' to
101 -- act as separator since this is allowed in MS-DOS and OS2 ports.
102
103 for J in reverse File_Name'Range loop
104 if File_Name (J) = Directory_Separator
105 or else File_Name (J) = '/'
106 then
107 Findex1 := J + 1;
108 exit;
109 end if;
110 end loop;
111
112 Findex2 := File_Name'Last;
113 while File_Name (Findex2) /= '.' loop
114 Findex2 := Findex2 - 1;
115 end loop;
116
117 Flength := Findex2 - Findex1;
118
119 if Maximum_File_Name_Length > 0 then
120
121 -- Make room for the extra two characters in "b?"
122
123 while Int (Flength) >
124 Maximum_File_Name_Length - Nat (Bind_File_Prefix_Len)
125 loop
126 Findex2 := Findex2 - 1;
127 Flength := Findex2 - Findex1;
128 end loop;
129 end if;
130
131 Name_Buffer
132 (Bind_File_Prefix_Len + 1 .. Flength + Bind_File_Prefix_Len) :=
133 File_Name (Findex1 .. Findex2 - 1);
134 Name_Buffer (Flength + Bind_File_Prefix_Len + 1) := '.';
135
136 -- Ada bind file, name is b~xxx.adb or b~xxx.ads
137
138 Name_Buffer (2) := '~';
139
140 Name_Buffer (Flength + Bind_File_Prefix_Len + 2) := 'a';
141 Name_Buffer (Flength + Bind_File_Prefix_Len + 3) := 'd';
142 Name_Buffer (Flength + Bind_File_Prefix_Len + 4) := Typ;
143 Name_Buffer (Flength + Bind_File_Prefix_Len + 5) := ASCII.NUL;
144 Name_Len := Flength + Bind_File_Prefix_Len + 4;
145 end if;
146
147 Bfile := Name_Find;
148
149 Create_File_And_Check (Output_FD, Text);
150 end Create_Binder_Output;
151
152 --------------------
153 -- More_Lib_Files --
154 --------------------
155
156 function More_Lib_Files return Boolean renames More_Files;
157
158 ------------------------
159 -- Next_Main_Lib_File --
160 ------------------------
161
162 function Next_Main_Lib_File return File_Name_Type renames Next_Main_File;
163
164 ---------------------------------
165 -- Set_Current_File_Name_Index --
166 ---------------------------------
167
168 procedure Set_Current_File_Name_Index (To : Int) is
169 begin
170 Current_File_Name_Index := To;
171 end Set_Current_File_Name_Index;
172
173 -------------------
174 -- Set_List_File --
175 -------------------
176
177 procedure Set_List_File (Filename : String) is
178 begin
179 pragma Assert (Current_List_File = Invalid_FD);
180 Current_List_File := Create_File (Filename, Text);
181
182 if Current_List_File = Invalid_FD then
183 Fail ("cannot create list file: " & Filename);
184 else
185 Set_Output (Current_List_File);
186 end if;
187 end Set_List_File;
188
189 -----------------------
190 -- Write_Binder_Info --
191 -----------------------
192
193 procedure Write_Binder_Info (Info : String) renames Write_Info;
194
195 begin
196 Set_Program (Binder);
197 end Osint.B;