1 ------------------------------------------------------------------------------
3 -- GNAT COMPILER COMPONENTS --
9 -- Copyright (C) 2002-2013, Free Software Foundation, Inc. --
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. --
21 -- GNAT was originally developed by the GNAT team at New York University. --
22 -- Extensive contributions were provided by Ada Core Technologies Inc. --
24 ------------------------------------------------------------------------------
26 with Osint; use Osint;
27 with Osint.C; use Osint.C;
29 package body Sinput.D is
31 Dfile : Source_File_Index;
32 -- Index of currently active debug source file
34 ------------------------
35 -- Close_Debug_Source --
36 ------------------------
38 procedure Close_Debug_Source is
39 S : Source_File_Record renames Source_File.Table (Dfile);
40 Src : Source_Buffer_Ptr;
42 pragma Warnings (Off, S);
45 Trim_Lines_Table (Dfile);
48 -- Now we need to read the file that we wrote and store it in memory for
52 (S.Full_Debug_Name, S.Source_First, S.Source_Last, Src);
54 end Close_Debug_Source;
56 -------------------------
57 -- Create_Debug_Source --
58 -------------------------
60 procedure Create_Debug_Source
61 (Source : Source_File_Index;
66 ((Source_File.Table (Source_File.Last).Source_Last + Source_Align) /
67 Source_Align) * Source_Align;
68 Source_File.Append (Source_File.Table (Source));
69 Dfile := Source_File.Last;
72 S : Source_File_Record renames Source_File.Table (Dfile);
75 S.Full_Debug_Name := Create_Debug_File (S.File_Name);
76 S.Debug_Source_Name := Strip_Directory (S.Full_Debug_Name);
77 S.Source_First := Loc;
79 S.Lines_Table := null;
80 S.Last_Source_Line := 1;
82 -- Allocate lines table, guess that it needs to be three times bigger
83 -- than the original source (in number of lines).
86 (S, Int (Source_File.Table (Source).Last_Source_Line * 3));
87 S.Lines_Table (1) := Loc;
89 end Create_Debug_Source;
91 ----------------------
92 -- Write_Debug_Line --
93 ----------------------
95 procedure Write_Debug_Line (Str : String; Loc : in out Source_Ptr) is
96 S : Source_File_Record renames Source_File.Table (Dfile);
99 -- Ignore write request if null line at start of file
101 if Str'Length = 0 and then Loc = S.Source_First then
104 -- Here we write the line, compute the source location for the following
105 -- line, allocate its table entry, and update the source record entry.
108 Write_Debug_Info (Str (Str'First .. Str'Last - 1));
109 Loc := Loc - 1 + Source_Ptr (Str'Length + Debug_File_Eol_Length);
110 Add_Line_Tables_Entry (S, Loc);
111 S.Source_Last := Loc;
112 Set_Source_File_Index_Table (Dfile);
114 end Write_Debug_Line;