]>
Commit | Line | Data |
---|---|---|
43ff4547 GB |
1 | ------------------------------------------------------------------------------ |
2 | -- -- | |
3 | -- GNAT COMPILER COMPONENTS -- | |
4 | -- -- | |
5 | -- S I N P U T . D -- | |
6 | -- -- | |
7 | -- B o d y -- | |
8 | -- -- | |
1d005acc | 9 | -- Copyright (C) 2002-2019, Free Software Foundation, Inc. -- |
43ff4547 GB |
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- -- | |
b5c84c3c | 13 | -- ware Foundation; either version 3, or (at your option) any later ver- -- |
43ff4547 GB |
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 -- | |
b5c84c3c RD |
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. -- | |
43ff4547 GB |
20 | -- -- |
21 | -- GNAT was originally developed by the GNAT team at New York University. -- | |
1f02b6af | 22 | -- Extensive contributions were provided by Ada Core Technologies Inc. -- |
43ff4547 GB |
23 | -- -- |
24 | ------------------------------------------------------------------------------ | |
25 | ||
cd644ae2 PMR |
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; | |
43ff4547 GB |
31 | |
32 | package body Sinput.D is | |
33 | ||
34 | Dfile : Source_File_Index; | |
35 | -- Index of currently active debug source file | |
36 | ||
37 | ------------------------ | |
38 | -- Close_Debug_Source -- | |
39 | ------------------------ | |
40 | ||
41 | procedure Close_Debug_Source is | |
cd644ae2 | 42 | FD : File_Descriptor; |
211e7410 | 43 | SFR : Source_File_Record renames Source_File.Table (Dfile); |
43ff4547 | 44 | Src : Source_Buffer_Ptr; |
43ff4547 GB |
45 | begin |
46 | Trim_Lines_Table (Dfile); | |
47 | Close_Debug_File; | |
48 | ||
b8e51f72 TQ |
49 | -- Now we need to read the file that we wrote and store it in memory for |
50 | -- subsequent access. | |
43ff4547 GB |
51 | |
52 | Read_Source_File | |
cd644ae2 | 53 | (SFR.Full_Debug_Name, SFR.Source_First, SFR.Source_Last, Src, FD); |
211e7410 AC |
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); | |
43ff4547 GB |
57 | end Close_Debug_Source; |
58 | ||
59 | ------------------------- | |
60 | -- Create_Debug_Source -- | |
61 | ------------------------- | |
62 | ||
63 | procedure Create_Debug_Source | |
64 | (Source : Source_File_Index; | |
65 | Loc : out Source_Ptr) | |
66 | is | |
67 | begin | |
cd38efa5 AC |
68 | Loc := |
69 | ((Source_File.Table (Source_File.Last).Source_Last + Source_Align) / | |
70 | Source_Align) * Source_Align; | |
1d6f10a1 | 71 | Source_File.Append (Source_File.Table (Source)); |
43ff4547 GB |
72 | Dfile := Source_File.Last; |
73 | ||
74 | declare | |
75 | S : Source_File_Record renames Source_File.Table (Dfile); | |
76 | ||
77 | begin | |
211e7410 | 78 | S.Index := Dfile; |
fbf5a39b AC |
79 | S.Full_Debug_Name := Create_Debug_File (S.File_Name); |
80 | S.Debug_Source_Name := Strip_Directory (S.Full_Debug_Name); | |
211e7410 | 81 | S.Source_Text := null; |
43ff4547 GB |
82 | S.Source_First := Loc; |
83 | S.Source_Last := Loc; | |
84 | S.Lines_Table := null; | |
85 | S.Last_Source_Line := 1; | |
86 | ||
b8e51f72 TQ |
87 | -- Allocate lines table, guess that it needs to be three times bigger |
88 | -- than the original source (in number of lines). | |
43ff4547 GB |
89 | |
90 | Alloc_Line_Tables | |
91 | (S, Int (Source_File.Table (Source).Last_Source_Line * 3)); | |
92 | S.Lines_Table (1) := Loc; | |
211e7410 AC |
93 | |
94 | if Debug_Flag_L then | |
95 | Write_Str ("Sinput.D.Create_Debug_Source: created source "); | |
96 | Write_Int (Int (Dfile)); | |
97 | Write_Str (" for "); | |
98 | Write_Str (Get_Name_String (S.Full_Debug_Name)); | |
99 | Write_Line (""); | |
100 | end if; | |
43ff4547 GB |
101 | end; |
102 | end Create_Debug_Source; | |
103 | ||
104 | ---------------------- | |
105 | -- Write_Debug_Line -- | |
106 | ---------------------- | |
107 | ||
108 | procedure Write_Debug_Line (Str : String; Loc : in out Source_Ptr) is | |
109 | S : Source_File_Record renames Source_File.Table (Dfile); | |
110 | ||
111 | begin | |
112 | -- Ignore write request if null line at start of file | |
113 | ||
114 | if Str'Length = 0 and then Loc = S.Source_First then | |
115 | return; | |
116 | ||
b8e51f72 TQ |
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. | |
43ff4547 GB |
119 | |
120 | else | |
121 | Write_Debug_Info (Str (Str'First .. Str'Last - 1)); | |
43ff4547 | 122 | Loc := Loc - 1 + Source_Ptr (Str'Length + Debug_File_Eol_Length); |
fbf5a39b | 123 | Add_Line_Tables_Entry (S, Loc); |
43ff4547 | 124 | S.Source_Last := Loc; |
b8e51f72 | 125 | Set_Source_File_Index_Table (Dfile); |
43ff4547 GB |
126 | end if; |
127 | end Write_Debug_Line; | |
128 | ||
129 | end Sinput.D; |