| ------------------------------------------------------------------------------ |
| -- -- |
| -- GNAT COMPILER COMPONENTS -- |
| -- -- |
| -- S I N P U T . D -- |
| -- -- |
| -- B o d y -- |
| -- -- |
| -- Copyright (C) 2002-2022, Free Software Foundation, Inc. -- |
| -- -- |
| -- GNAT is free software; you can redistribute it and/or modify it under -- |
| -- terms of the GNU General Public License as published by the Free Soft- -- |
| -- ware Foundation; either version 3, or (at your option) any later ver- -- |
| -- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- |
| -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- |
| -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -- |
| -- for more details. You should have received a copy of the GNU General -- |
| -- Public License distributed with GNAT; see file COPYING3. If not, go to -- |
| -- http://www.gnu.org/licenses for a complete copy of the license. -- |
| -- -- |
| -- GNAT was originally developed by the GNAT team at New York University. -- |
| -- Extensive contributions were provided by Ada Core Technologies Inc. -- |
| -- -- |
| ------------------------------------------------------------------------------ |
| |
| with Debug; use Debug; |
| with Osint; use Osint; |
| with Osint.C; use Osint.C; |
| with Output; use Output; |
| with System.OS_Lib; use System.OS_Lib; |
| |
| package body Sinput.D is |
| |
| Dfile : Source_File_Index; |
| -- Index of currently active debug source file |
| |
| ------------------------ |
| -- Close_Debug_Source -- |
| ------------------------ |
| |
| procedure Close_Debug_Source is |
| FD : File_Descriptor; |
| SFR : Source_File_Record renames Source_File.Table (Dfile); |
| Src : Source_Buffer_Ptr; |
| begin |
| Trim_Lines_Table (Dfile); |
| Close_Debug_File; |
| |
| -- Now we need to read the file that we wrote and store it in memory for |
| -- subsequent access. |
| |
| Read_Source_File |
| (SFR.Full_Debug_Name, SFR.Source_First, SFR.Source_Last, Src, FD); |
| SFR.Source_Text := Src; |
| pragma Assert (SFR.Source_Text'First = SFR.Source_First); |
| pragma Assert (SFR.Source_Text'Last = SFR.Source_Last); |
| end Close_Debug_Source; |
| |
| ------------------------- |
| -- Create_Debug_Source -- |
| ------------------------- |
| |
| procedure Create_Debug_Source |
| (Source : Source_File_Index; |
| Loc : out Source_Ptr) |
| is |
| begin |
| Loc := |
| ((Source_File.Table (Source_File.Last).Source_Last + Source_Align) / |
| Source_Align) * Source_Align; |
| Source_File.Append (Source_File.Table (Source)); |
| Dfile := Source_File.Last; |
| |
| declare |
| S : Source_File_Record renames Source_File.Table (Dfile); |
| |
| begin |
| S.Index := Dfile; |
| S.Full_Debug_Name := Create_Debug_File (S.File_Name); |
| S.Debug_Source_Name := Strip_Directory (S.Full_Debug_Name); |
| S.Source_Text := null; |
| S.Source_First := Loc; |
| S.Source_Last := Loc; |
| S.Lines_Table := null; |
| S.Last_Source_Line := 1; |
| |
| -- Allocate lines table, guess that it needs to be three times bigger |
| -- than the original source (in number of lines). |
| |
| Alloc_Line_Tables |
| (S, Int (Source_File.Table (Source).Last_Source_Line * 3)); |
| S.Lines_Table (1) := Loc; |
| |
| if Debug_Flag_L then |
| Write_Str ("Sinput.D.Create_Debug_Source: created source "); |
| Write_Int (Int (Dfile)); |
| Write_Str (" for "); |
| Write_Str (Get_Name_String (S.Full_Debug_Name)); |
| Write_Line (""); |
| end if; |
| end; |
| end Create_Debug_Source; |
| |
| ---------------------- |
| -- Write_Debug_Line -- |
| ---------------------- |
| |
| procedure Write_Debug_Line (Str : String; Loc : in out Source_Ptr) is |
| S : Source_File_Record renames Source_File.Table (Dfile); |
| |
| begin |
| -- Ignore write request if null line at start of file |
| |
| if Str'Length = 0 and then Loc = S.Source_First then |
| return; |
| |
| -- Here we write the line, compute the source location for the following |
| -- line, allocate its table entry, and update the source record entry. |
| |
| else |
| Write_Debug_Info (Str (Str'First .. Str'Last - 1)); |
| Loc := Loc - 1 + Source_Ptr (Str'Length + Debug_File_Eol_Length); |
| Add_Line_Tables_Entry (S, Loc); |
| S.Source_Last := Loc; |
| Set_Source_File_Index_Table (Dfile); |
| end if; |
| end Write_Debug_Line; |
| |
| end Sinput.D; |
