1------------------------------------------------------------------------------
2--                                                                          --
3--                         GNAT COMPILER COMPONENTS                         --
4--                                                                          --
5--                             S I N P U T . D                              --
6--                                                                          --
7--                                 B o d y                                  --
8--                                                                          --
9--          Copyright (C) 2002-2003, 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 2,  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 COPYING.  If not, write --
19-- to  the Free Software Foundation,  59 Temple Place - Suite 330,  Boston, --
20-- MA 02111-1307, USA.                                                      --
21--                                                                          --
22-- GNAT was originally developed  by the GNAT team at  New York University. --
23-- Extensive contributions were provided by Ada Core Technologies Inc.      --
24--                                                                          --
25------------------------------------------------------------------------------
26
27with Osint;   use Osint;
28with Osint.C; use Osint.C;
29
30package body Sinput.D is
31
32   Dfile : Source_File_Index;
33   --  Index of currently active debug source file
34
35   ------------------------
36   -- Close_Debug_Source --
37   ------------------------
38
39   procedure Close_Debug_Source is
40      S    : Source_File_Record renames Source_File.Table (Dfile);
41      Src  : Source_Buffer_Ptr;
42
43   begin
44      Trim_Lines_Table (Dfile);
45      Close_Debug_File;
46
47      --  Now we need to read the file that we wrote and store it
48      --  in memory for subsequent access.
49
50      Read_Source_File
51        (S.Full_Debug_Name, S.Source_First, S.Source_Last, Src);
52      S.Source_Text := Src;
53      Set_Source_File_Index_Table (Dfile);
54   end Close_Debug_Source;
55
56   -------------------------
57   -- Create_Debug_Source --
58   -------------------------
59
60   procedure Create_Debug_Source
61     (Source : Source_File_Index;
62      Loc    : out Source_Ptr)
63   is
64   begin
65      Loc := Source_File.Table (Source_File.Last).Source_Last + 1;
66      Source_File.Increment_Last;
67      Dfile := Source_File.Last;
68
69      declare
70         S : Source_File_Record renames Source_File.Table (Dfile);
71
72      begin
73         S := Source_File.Table (Source);
74         S.Full_Debug_Name   := Create_Debug_File (S.File_Name);
75         S.Debug_Source_Name := Strip_Directory (S.Full_Debug_Name);
76         S.Source_First      := Loc;
77         S.Source_Last       := Loc;
78         S.Lines_Table       := null;
79         S.Last_Source_Line  := 1;
80
81         --  Allocate lines table, guess that it needs to be three times
82         --  bigger than the original source (in number of lines).
83
84         Alloc_Line_Tables
85           (S, Int (Source_File.Table (Source).Last_Source_Line * 3));
86         S.Lines_Table (1) := Loc;
87      end;
88   end Create_Debug_Source;
89
90   ----------------------
91   -- Write_Debug_Line --
92   ----------------------
93
94   procedure Write_Debug_Line (Str : String; Loc : in out Source_Ptr) is
95      S : Source_File_Record renames Source_File.Table (Dfile);
96
97   begin
98      --  Ignore write request if null line at start of file
99
100      if Str'Length = 0 and then Loc = S.Source_First then
101         return;
102
103      --  Here we write the line, compute the source location for the
104      --  following line, allocate its table entry, and update the source
105      --  record entry.
106
107      else
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      end if;
113   end Write_Debug_Line;
114
115end Sinput.D;
116