1 ------------------------------------------------------------------------------
3 -- GNAT COMPILER COMPONENTS --
9 -- Copyright (C) 2002-2020, 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 Debug; use Debug;
27 with Osint; use Osint;
28 with Osint.C; use Osint.C;
29 with Output; use Output;
30 with System.OS_Lib; use System.OS_Lib;
32 package body Sinput.D is
34 Dfile : Source_File_Index;
35 -- Index of currently active debug source file
37 ------------------------
38 -- Close_Debug_Source --
39 ------------------------
41 procedure Close_Debug_Source is
43 SFR : Source_File_Record renames Source_File.Table (Dfile);
44 Src : Source_Buffer_Ptr;
46 Trim_Lines_Table (Dfile);
49 -- Now we need to read the file that we wrote and store it in memory for
53 (SFR.Full_Debug_Name, SFR.Source_First, SFR.Source_Last, Src, FD);
54 SFR.Source_Text := Src;
55 pragma Assert (SFR.Source_Text'First = SFR.Source_First);
56 pragma Assert (SFR.Source_Text'Last = SFR.Source_Last);
57 end Close_Debug_Source;
59 -------------------------
60 -- Create_Debug_Source --
61 -------------------------
63 procedure Create_Debug_Source
64 (Source : Source_File_Index;
69 ((Source_File.Table (Source_File.Last).Source_Last + Source_Align) /
70 Source_Align) * Source_Align;
71 Source_File.Append (Source_File.Table (Source));
72 Dfile := Source_File.Last;
75 S : Source_File_Record renames Source_File.Table (Dfile);
79 S.Full_Debug_Name := Create_Debug_File (S.File_Name);
80 S.Debug_Source_Name := Strip_Directory (S.Full_Debug_Name);
81 S.Source_Text := null;
82 S.Source_First := Loc;
84 S.Lines_Table := null;
85 S.Last_Source_Line := 1;
87 -- Allocate lines table, guess that it needs to be three times bigger
88 -- than the original source (in number of lines).
91 (S, Int (Source_File.Table (Source).Last_Source_Line * 3));
92 S.Lines_Table (1) := Loc;
95 Write_Str ("Sinput.D.Create_Debug_Source: created source ");
96 Write_Int (Int (Dfile));
98 Write_Str (Get_Name_String (S.Full_Debug_Name));
102 end Create_Debug_Source;
104 ----------------------
105 -- Write_Debug_Line --
106 ----------------------
108 procedure Write_Debug_Line (Str : String; Loc : in out Source_Ptr) is
109 S : Source_File_Record renames Source_File.Table (Dfile);
112 -- Ignore write request if null line at start of file
114 if Str'Length = 0 and then Loc = S.Source_First then
117 -- Here we write the line, compute the source location for the following
118 -- line, allocate its table entry, and update the source record entry.
121 Write_Debug_Info (Str (Str'First .. Str'Last - 1));
122 Loc := Loc - 1 + Source_Ptr (Str'Length + Debug_File_Eol_Length);
123 Add_Line_Tables_Entry (S, Loc);
124 S.Source_Last := Loc;
125 Set_Source_File_Index_Table (Dfile);
127 end Write_Debug_Line;