1 ------------------------------------------------------------------------------
3 -- GNAT COMPILER COMPONENTS --
10 -- Copyright (C) 2001, Free Software Foundation, Inc. --
12 -- GNAT is free software; you can redistribute it and/or modify it under --
13 -- terms of the GNU General Public License as published by the Free Soft- --
14 -- ware Foundation; either version 2, or (at your option) any later ver- --
15 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
16 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
17 -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
18 -- for more details. You should have received a copy of the GNU General --
19 -- Public License distributed with GNAT; see file COPYING. If not, write --
20 -- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
21 -- MA 02111-1307, USA. --
23 -- GNAT was originally developed by the GNAT team at New York University. --
24 -- Extensive contributions were provided by Ada Core Technologies Inc. --
26 ------------------------------------------------------------------------------
28 with Osint; use Osint;
29 with Osint.C; use Osint.C;
31 package body Sinput.D is
33 Dfile : Source_File_Index;
34 -- Index of currently active debug source file
36 ------------------------
37 -- Close_Debug_Source --
38 ------------------------
40 procedure Close_Debug_Source is
41 S : Source_File_Record renames Source_File.Table (Dfile);
42 Src : Source_Buffer_Ptr;
45 Trim_Lines_Table (Dfile);
48 -- Now we need to read the file that we wrote and store it
49 -- in memory for subsequent access.
52 (S.Debug_Source_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;
65 Loc := Source_File.Table (Source_File.Last).Source_Last + 1;
66 Source_File.Increment_Last;
67 Dfile := Source_File.Last;
70 S : Source_File_Record renames Source_File.Table (Dfile);
73 S := Source_File.Table (Source);
74 S.Debug_Source_Name := Create_Debug_File (S.File_Name);
75 S.Source_First := Loc;
77 S.Lines_Table := null;
78 S.Last_Source_Line := 1;
80 -- Allocate lines table, guess that it needs to be three times
81 -- bigger than the original source (in number of lines).
84 (S, Int (Source_File.Table (Source).Last_Source_Line * 3));
85 S.Lines_Table (1) := Loc;
87 end Create_Debug_Source;
89 ----------------------
90 -- Write_Debug_Line --
91 ----------------------
93 procedure Write_Debug_Line (Str : String; Loc : in out Source_Ptr) is
94 S : Source_File_Record renames Source_File.Table (Dfile);
97 -- Ignore write request if null line at start of file
99 if Str'Length = 0 and then Loc = S.Source_First then
102 -- Here we write the line, and update the source record entry
105 Write_Debug_Info (Str (Str'First .. Str'Last - 1));
106 Add_Line_Tables_Entry (S, Loc);
107 Loc := Loc - 1 + Source_Ptr (Str'Length + Debug_File_Eol_Length);
108 S.Source_Last := Loc;
110 end Write_Debug_Line;