1 ------------------------------------------------------------------------------
3 -- GNAT COMPILER COMPONENTS --
10 -- Copyright (C) 1992-2001 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 -- As a special exception, if other files instantiate generics from this --
24 -- unit, or you link this unit with other files to produce an executable, --
25 -- this unit does not by itself cause the resulting executable to be --
26 -- covered by the GNU General Public License. This exception does not --
27 -- however invalidate any other reasons why the executable file might be --
28 -- covered by the GNU Public License. --
30 -- GNAT was originally developed by the GNAT team at New York University. --
31 -- It is now maintained by Ada Core Technologies Inc (http://www.gnat.com). --
33 ------------------------------------------------------------------------------
35 pragma Style_Checks (All_Checks);
36 -- Subprograms not all in alpha order
38 with Debug; use Debug;
39 with Namet; use Namet;
41 with Output; use Output;
42 with Tree_IO; use Tree_IO;
43 with System; use System;
47 with Unchecked_Conversion;
48 with Unchecked_Deallocation;
50 package body Sinput is
53 -- Make control characters visible
55 First_Time_Around : Boolean := True;
57 -- Routines to support conversion between types Lines_Table_Ptr,
58 -- Logical_Lines_Table_Ptr and System.Address.
60 function To_Address is
61 new Unchecked_Conversion (Lines_Table_Ptr, Address);
63 function To_Address is
64 new Unchecked_Conversion (Logical_Lines_Table_Ptr, Address);
66 function To_Pointer is
67 new Unchecked_Conversion (Address, Lines_Table_Ptr);
69 function To_Pointer is
70 new Unchecked_Conversion (Address, Logical_Lines_Table_Ptr);
72 ---------------------------
73 -- Add_Line_Tables_Entry --
74 ---------------------------
76 procedure Add_Line_Tables_Entry
77 (S : in out Source_File_Record;
80 LL : Physical_Line_Number;
83 -- Reallocate the lines tables if necessary.
85 -- Note: the reason we do not use the normal Table package
86 -- mechanism is that we have several of these tables. We could
87 -- use the new GNAT.Dynamic_Tables package and that would probably
90 if S.Last_Source_Line = S.Lines_Table_Max then
93 Int (S.Last_Source_Line) *
94 ((100 + Alloc.Lines_Increment) / 100));
97 Write_Str ("--> Reallocating lines table, size = ");
98 Write_Int (Int (S.Lines_Table_Max));
103 S.Last_Source_Line := S.Last_Source_Line + 1;
104 LL := S.Last_Source_Line;
106 S.Lines_Table (LL) := P;
108 -- Deal with setting new entry in logical lines table if one is
109 -- present. Note that there is always space (because the call to
110 -- Alloc_Line_Tables makes sure both tables are the same length),
112 if S.Logical_Lines_Table /= null then
114 -- We can always set the entry from the previous one, because
115 -- the processing for a Source_Reference pragma ensures that
116 -- at least one entry following the pragma is set up correctly.
118 S.Logical_Lines_Table (LL) := S.Logical_Lines_Table (LL - 1) + 1;
120 end Add_Line_Tables_Entry;
122 -----------------------
123 -- Alloc_Line_Tables --
124 -----------------------
126 procedure Alloc_Line_Tables
127 (S : in out Source_File_Record;
130 subtype size_t is Memory.size_t;
132 New_Table : Lines_Table_Ptr;
134 New_Logical_Table : Logical_Lines_Table_Ptr;
136 New_Size : constant size_t :=
137 size_t (New_Max * Lines_Table_Type'Component_Size /
141 if S.Lines_Table = null then
142 New_Table := To_Pointer (Memory.Alloc (New_Size));
146 To_Pointer (Memory.Realloc (To_Address (S.Lines_Table), New_Size));
149 if New_Table = null then
152 S.Lines_Table := New_Table;
153 S.Lines_Table_Max := Physical_Line_Number (New_Max);
156 if S.Num_SRef_Pragmas /= 0 then
157 if S.Logical_Lines_Table = null then
158 New_Logical_Table := To_Pointer (Memory.Alloc (New_Size));
160 New_Logical_Table := To_Pointer
161 (Memory.Realloc (To_Address (S.Logical_Lines_Table), New_Size));
164 if New_Logical_Table = null then
167 S.Logical_Lines_Table := New_Logical_Table;
170 end Alloc_Line_Tables;
176 procedure Backup_Line (P : in out Source_Ptr) is
177 Sindex : constant Source_File_Index := Get_Source_File_Index (P);
178 Src : constant Source_Buffer_Ptr :=
179 Source_File.Table (Sindex).Source_Text;
180 Sfirst : constant Source_Ptr :=
181 Source_File.Table (Sindex).Source_First;
191 if Src (P - 1) = LF then
196 if Src (P - 1) = CR then
201 -- Now find first character of the previous line
204 and then Src (P - 1) /= LF
205 and then Src (P - 1) /= CR
211 ---------------------------
212 -- Build_Location_String --
213 ---------------------------
215 procedure Build_Location_String (Loc : Source_Ptr) is
221 -- Loop through instantiations
225 Get_Name_String_And_Append
226 (Reference_Name (Get_Source_File_Index (Ptr)));
227 Add_Char_To_Name_Buffer (':');
228 Add_Nat_To_Name_Buffer
229 (Nat (Get_Logical_Line_Number (Ptr)));
231 Ptr := Instantiation_Location (Ptr);
232 exit when Ptr = No_Location;
233 Add_Str_To_Name_Buffer (" instantiated at ");
236 Name_Buffer (Name_Len + 1) := NUL;
238 end Build_Location_String;
240 -----------------------
241 -- Get_Column_Number --
242 -----------------------
244 function Get_Column_Number (P : Source_Ptr) return Column_Number is
247 Sindex : Source_File_Index;
248 Src : Source_Buffer_Ptr;
251 -- If the input source pointer is not a meaningful value then return
252 -- at once with column number 1. This can happen for a file not found
253 -- condition for a file loaded indirectly by RTE, and also perhaps on
254 -- some unknown internal error conditions. In either case we certainly
255 -- don't want to blow up.
261 Sindex := Get_Source_File_Index (P);
262 Src := Source_File.Table (Sindex).Source_Text;
268 C := (C - 1) / 8 * 8 + (8 + 1);
278 end Get_Column_Number;
280 -----------------------------
281 -- Get_Logical_Line_Number --
282 -----------------------------
284 function Get_Logical_Line_Number
286 return Logical_Line_Number
288 SFR : Source_File_Record
289 renames Source_File.Table (Get_Source_File_Index (P));
291 L : constant Physical_Line_Number := Get_Physical_Line_Number (P);
294 if SFR.Num_SRef_Pragmas = 0 then
295 return Logical_Line_Number (L);
297 return SFR.Logical_Lines_Table (L);
299 end Get_Logical_Line_Number;
301 ------------------------------
302 -- Get_Physical_Line_Number --
303 ------------------------------
305 function Get_Physical_Line_Number
307 return Physical_Line_Number
309 Sfile : Source_File_Index;
310 Table : Lines_Table_Ptr;
311 Lo : Physical_Line_Number;
312 Hi : Physical_Line_Number;
313 Mid : Physical_Line_Number;
317 -- If the input source pointer is not a meaningful value then return
318 -- at once with line number 1. This can happen for a file not found
319 -- condition for a file loaded indirectly by RTE, and also perhaps on
320 -- some unknown internal error conditions. In either case we certainly
321 -- don't want to blow up.
326 -- Otherwise we can do the binary search
329 Sfile := Get_Source_File_Index (P);
330 Loc := P + Source_File.Table (Sfile).Sloc_Adjust;
331 Table := Source_File.Table (Sfile).Lines_Table;
333 Hi := Source_File.Table (Sfile).Last_Source_Line;
336 Mid := (Lo + Hi) / 2;
338 if Loc < Table (Mid) then
341 else -- Loc >= Table (Mid)
344 Loc < Table (Mid + 1)
355 end Get_Physical_Line_Number;
357 ---------------------------
358 -- Get_Source_File_Index --
359 ---------------------------
361 Source_Cache_First : Source_Ptr := 1;
362 Source_Cache_Last : Source_Ptr := 0;
363 -- Records the First and Last subscript values for the most recently
364 -- referenced entry in the source table, to optimize the common case
365 -- of repeated references to the same entry. The initial values force
366 -- an initial search to set the cache value.
368 Source_Cache_Index : Source_File_Index := No_Source_File;
369 -- Contains the index of the entry corresponding to Source_Cache
371 function Get_Source_File_Index
373 return Source_File_Index
376 if S in Source_Cache_First .. Source_Cache_Last then
377 return Source_Cache_Index;
380 for J in 1 .. Source_File.Last loop
381 if S in Source_File.Table (J).Source_First ..
382 Source_File.Table (J).Source_Last
384 Source_Cache_Index := J;
385 Source_Cache_First :=
386 Source_File.Table (Source_Cache_Index).Source_First;
388 Source_File.Table (Source_Cache_Index).Source_Last;
389 return Source_Cache_Index;
394 -- We must find a matching entry in the above loop!
397 end Get_Source_File_Index;
403 procedure Initialize is
408 -------------------------
409 -- Instantiation_Depth --
410 -------------------------
412 function Instantiation_Depth (S : Source_Ptr) return Nat is
413 Sind : Source_File_Index;
422 Sind := Get_Source_File_Index (Sval);
423 Sval := Instantiation (Sind);
424 exit when Sval = No_Location;
429 end Instantiation_Depth;
431 ----------------------------
432 -- Instantiation_Location --
433 ----------------------------
435 function Instantiation_Location (S : Source_Ptr) return Source_Ptr is
437 return Instantiation (Get_Source_File_Index (S));
438 end Instantiation_Location;
440 ----------------------
441 -- Last_Source_File --
442 ----------------------
444 function Last_Source_File return Source_File_Index is
446 return Source_File.Last;
447 end Last_Source_File;
453 function Line_Start (P : Source_Ptr) return Source_Ptr is
454 Sindex : constant Source_File_Index := Get_Source_File_Index (P);
455 Src : constant Source_Buffer_Ptr :=
456 Source_File.Table (Sindex).Source_Text;
457 Sfirst : constant Source_Ptr :=
458 Source_File.Table (Sindex).Source_First;
465 and then Src (S - 1) /= CR
466 and then Src (S - 1) /= LF
475 (L : Physical_Line_Number;
476 S : Source_File_Index)
480 return Source_File.Table (S).Lines_Table (L);
489 Source_File.Locked := True;
493 ----------------------
494 -- Num_Source_Files --
495 ----------------------
497 function Num_Source_Files return Nat is
499 return Int (Source_File.Last) - Int (Source_File.First) + 1;
500 end Num_Source_Files;
502 ----------------------
503 -- Num_Source_Lines --
504 ----------------------
506 function Num_Source_Lines (S : Source_File_Index) return Nat is
508 return Nat (Source_File.Table (S).Last_Source_Line);
509 end Num_Source_Lines;
511 -----------------------
512 -- Original_Location --
513 -----------------------
515 function Original_Location (S : Source_Ptr) return Source_Ptr is
516 Sindex : Source_File_Index;
517 Tindex : Source_File_Index;
520 if S <= No_Location then
524 Sindex := Get_Source_File_Index (S);
526 if Instantiation (Sindex) = No_Location then
530 Tindex := Template (Sindex);
531 while Instantiation (Tindex) /= No_Location loop
532 Tindex := Template (Tindex);
535 return S - Source_First (Sindex) + Source_First (Tindex);
538 end Original_Location;
540 -------------------------
541 -- Physical_To_Logical --
542 -------------------------
544 function Physical_To_Logical
545 (Line : Physical_Line_Number;
546 S : Source_File_Index)
547 return Logical_Line_Number
549 SFR : Source_File_Record renames Source_File.Table (S);
552 if SFR.Num_SRef_Pragmas = 0 then
553 return Logical_Line_Number (Line);
555 return SFR.Logical_Lines_Table (Line);
557 end Physical_To_Logical;
559 --------------------------------
560 -- Register_Source_Ref_Pragma --
561 --------------------------------
563 procedure Register_Source_Ref_Pragma
564 (File_Name : Name_Id;
565 Stripped_File_Name : Name_Id;
567 Line_After_Pragma : Physical_Line_Number)
569 subtype size_t is Memory.size_t;
571 SFR : Source_File_Record renames Source_File.Table (Current_Source_File);
573 ML : Logical_Line_Number;
576 if File_Name /= No_Name then
577 SFR.Full_Ref_Name := File_Name;
579 if not Debug_Generated_Code then
580 SFR.Debug_Source_Name := File_Name;
583 SFR.Reference_Name := Stripped_File_Name;
584 SFR.Num_SRef_Pragmas := SFR.Num_SRef_Pragmas + 1;
587 if SFR.Num_SRef_Pragmas = 1 then
588 SFR.First_Mapped_Line := Logical_Line_Number (Mapped_Line);
591 if SFR.Logical_Lines_Table = null then
592 SFR.Logical_Lines_Table := To_Pointer
594 (size_t (SFR.Lines_Table_Max *
595 Logical_Lines_Table_Type'Component_Size /
599 SFR.Logical_Lines_Table (Line_After_Pragma - 1) := No_Line_Number;
601 ML := Logical_Line_Number (Mapped_Line);
602 for J in Line_After_Pragma .. SFR.Last_Source_Line loop
603 SFR.Logical_Lines_Table (J) := ML;
606 end Register_Source_Ref_Pragma;
608 ---------------------------
609 -- Skip_Line_Terminators --
610 ---------------------------
612 -- There are two distinct concepts of line terminator in GNAT
614 -- A logical line terminator is what corresponds to the "end of a line"
615 -- as described in RM 2.2 (13). Any of the characters FF, LF, CR or VT
616 -- acts as an end of logical line in this sense, and it is essentially
617 -- irrelevant whether one or more appears in sequence (since if a
618 -- sequence of such characters is regarded as separate ends of line,
619 -- then the intervening logical lines are null in any case).
621 -- A physical line terminator is a sequence of format effectors that
622 -- is treated as ending a physical line. Physical lines have no Ada
623 -- semantic significance, but they are significant for error reporting
624 -- purposes, since errors are identified by line and column location.
626 -- In GNAT, a physical line is ended by any of the sequences LF, CR/LF,
627 -- CR or LF/CR. LF is used in typical Unix systems, CR/LF in DOS systems,
628 -- and CR alone in System 7. We don't know of any system using LF/CR, but
629 -- it seems reasonable to include this case for consistency. In addition,
630 -- we recognize any of these sequences in any of the operating systems,
631 -- for better behavior in treating foreign files (e.g. a Unix file with
632 -- LF terminators transferred to a DOS system).
634 procedure Skip_Line_Terminators
635 (P : in out Source_Ptr;
636 Physical : out Boolean)
639 pragma Assert (Source (P) in Line_Terminator);
641 if Source (P) = CR then
642 if Source (P + 1) = LF then
648 elsif Source (P) = LF then
649 if Source (P + 1) = CR then
655 else -- Source (P) = FF or else Source (P) = VT
661 -- Fall through in the physical line terminator case. First deal with
662 -- making a possible entry into the lines table if one is needed.
664 -- Note: we are dealing with a real source file here, this cannot be
665 -- the instantiation case, so we need not worry about Sloc adjustment.
668 S : Source_File_Record
669 renames Source_File.Table (Current_Source_File);
674 -- Make entry in lines table if not already made (in some scan backup
675 -- cases, we will be rescanning previously scanned source, so the
676 -- entry may have already been made on the previous forward scan).
679 and then P > S.Lines_Table (S.Last_Source_Line)
681 Add_Line_Tables_Entry (S, P);
684 end Skip_Line_Terminators;
690 function Source_Offset (S : Source_Ptr) return Nat is
691 Sindex : constant Source_File_Index := Get_Source_File_Index (S);
692 Sfirst : constant Source_Ptr :=
693 Source_File.Table (Sindex).Source_First;
696 return Nat (S - Sfirst);
699 ------------------------
700 -- Top_Level_Location --
701 ------------------------
703 function Top_Level_Location (S : Source_Ptr) return Source_Ptr is
711 Newloc := Instantiation_Location (Oldloc);
712 exit when Newloc = No_Location;
716 end Top_Level_Location;
722 procedure Tree_Read is
724 -- First we must free any old source buffer pointers
726 if not First_Time_Around then
727 for J in Source_File.First .. Source_File.Last loop
729 S : Source_File_Record renames Source_File.Table (J);
731 procedure Free_Ptr is new Unchecked_Deallocation
732 (Big_Source_Buffer, Source_Buffer_Ptr);
734 function To_Source_Buffer_Ptr is new
735 Unchecked_Conversion (Address, Source_Buffer_Ptr);
737 Tmp1 : Source_Buffer_Ptr;
740 if S.Instantiation /= No_Location then
744 -- We have to recreate a proper pointer to the actual array
745 -- from the zero origin pointer stored in the source table.
749 (S.Source_Text (S.Source_First)'Address);
752 -- Note: we are using free here, because we used malloc
753 -- or realloc directly to allocate the tables. That is
754 -- because we were playing the big array trick.
756 if S.Lines_Table /= null then
757 Memory.Free (To_Address (S.Lines_Table));
758 S.Lines_Table := null;
761 if S.Logical_Lines_Table /= null then
762 Memory.Free (To_Address (S.Logical_Lines_Table));
763 S.Logical_Lines_Table := null;
770 -- Reset source cache pointers to force new read
772 Source_Cache_First := 1;
773 Source_Cache_Last := 0;
775 -- Read in source file table
777 Source_File.Tree_Read;
779 -- The pointers we read in there for the source buffer and lines
780 -- table pointers are junk. We now read in the actual data that
781 -- is referenced by these two fields.
783 for J in Source_File.First .. Source_File.Last loop
785 S : Source_File_Record renames Source_File.Table (J);
788 -- For the instantiation case, we do not read in any data. Instead
789 -- we share the data for the generic template entry. Since the
790 -- template always occurs first, we can safetly refer to its data.
792 if S.Instantiation /= No_Location then
794 ST : Source_File_Record renames
795 Source_File.Table (S.Template);
798 -- The lines tables are copied from the template entry
801 Source_File.Table (S.Template).Lines_Table;
802 S.Logical_Lines_Table :=
803 Source_File.Table (S.Template).Logical_Lines_Table;
805 -- In the case of the source table pointer, we share the
806 -- same data as the generic template, but the virtual origin
807 -- is adjusted. For example, if the first subscript of the
808 -- template is 100, and that of the instantiation is 200,
809 -- then the instantiation pointer is obtained by subtracting
810 -- 100 from the template pointer.
813 pragma Suppress (All_Checks);
815 function To_Source_Buffer_Ptr is new
816 Unchecked_Conversion (Address, Source_Buffer_Ptr);
822 (ST.Source_First - S.Source_First)'Address);
826 -- Normal case (non-instantiation)
829 First_Time_Around := False;
830 S.Lines_Table := null;
831 S.Logical_Lines_Table := null;
832 Alloc_Line_Tables (S, Int (S.Last_Source_Line));
834 for J in 1 .. S.Last_Source_Line loop
835 Tree_Read_Int (Int (S.Lines_Table (J)));
838 if S.Num_SRef_Pragmas /= 0 then
839 for J in 1 .. S.Last_Source_Line loop
840 Tree_Read_Int (Int (S.Logical_Lines_Table (J)));
844 -- Allocate source buffer and read in the data and then set the
845 -- virtual origin to point to the logical zero'th element. This
846 -- address must be computed with subscript checks turned off.
849 subtype B is Text_Buffer (S.Source_First .. S.Source_Last);
850 type Text_Buffer_Ptr is access B;
853 pragma Suppress (All_Checks);
855 function To_Source_Buffer_Ptr is new
856 Unchecked_Conversion (Address, Source_Buffer_Ptr);
861 Tree_Read_Data (T (S.Source_First)'Address,
862 Int (S.Source_Last) - Int (S.Source_First) + 1);
864 S.Source_Text := To_Source_Buffer_Ptr (T (0)'Address);
875 procedure Tree_Write is
877 Source_File.Tree_Write;
879 -- The pointers we wrote out there for the source buffer and lines
880 -- table pointers are junk, we now write out the actual data that
881 -- is referenced by these two fields.
883 for J in Source_File.First .. Source_File.Last loop
885 S : Source_File_Record renames Source_File.Table (J);
888 -- For instantiations, there is nothing to do, since the data is
889 -- shared with the generic template. When the tree is read, the
890 -- pointers must be set, but no extra data needs to be written.
892 if S.Instantiation /= No_Location then
895 -- For the normal case, write out the data of the tables
900 for J in 1 .. S.Last_Source_Line loop
901 Tree_Write_Int (Int (S.Lines_Table (J)));
904 -- Logical lines table if present
906 if S.Num_SRef_Pragmas /= 0 then
907 for J in 1 .. S.Last_Source_Line loop
908 Tree_Write_Int (Int (S.Logical_Lines_Table (J)));
915 (S.Source_Text (S.Source_First)'Address,
916 Int (S.Source_Last) - Int (S.Source_First) + 1);
926 procedure Write_Location (P : Source_Ptr) is
928 if P = No_Location then
929 Write_Str ("<no location>");
931 elsif P <= Standard_Location then
932 Write_Str ("<standard location>");
936 SI : constant Source_File_Index := Get_Source_File_Index (P);
939 Write_Name (Debug_Source_Name (SI));
941 Write_Int (Int (Get_Logical_Line_Number (P)));
943 Write_Int (Int (Get_Column_Number (P)));
945 if Instantiation (SI) /= No_Location then
947 Write_Location (Instantiation (SI));
954 ----------------------
955 -- Write_Time_Stamp --
956 ----------------------
958 procedure Write_Time_Stamp (S : Source_File_Index) is
959 T : constant Time_Stamp_Type := Time_Stamp (S);
972 Write_Char (T (P + 1));
973 Write_Char (T (P + 2));
976 Write_Char (T (P + 3));
977 Write_Char (T (P + 4));
980 Write_Char (T (P + 5));
981 Write_Char (T (P + 6));
984 Write_Char (T (P + 7));
985 Write_Char (T (P + 8));
988 Write_Char (T (P + 9));
989 Write_Char (T (P + 10));
992 Write_Char (T (P + 11));
993 Write_Char (T (P + 12));
994 end Write_Time_Stamp;
996 ----------------------------------------------
997 -- Access Subprograms for Source File Table --
998 ----------------------------------------------
1000 function Debug_Source_Name (S : SFI) return File_Name_Type is
1002 return Source_File.Table (S).Debug_Source_Name;
1003 end Debug_Source_Name;
1005 function File_Name (S : SFI) return File_Name_Type is
1007 return Source_File.Table (S).File_Name;
1010 function First_Mapped_Line (S : SFI) return Logical_Line_Number is
1012 return Source_File.Table (S).First_Mapped_Line;
1013 end First_Mapped_Line;
1015 function Full_File_Name (S : SFI) return File_Name_Type is
1017 return Source_File.Table (S).Full_File_Name;
1020 function Full_Ref_Name (S : SFI) return File_Name_Type is
1022 return Source_File.Table (S).Full_Ref_Name;
1025 function Identifier_Casing (S : SFI) return Casing_Type is
1027 return Source_File.Table (S).Identifier_Casing;
1028 end Identifier_Casing;
1030 function Instantiation (S : SFI) return Source_Ptr is
1032 return Source_File.Table (S).Instantiation;
1035 function Keyword_Casing (S : SFI) return Casing_Type is
1037 return Source_File.Table (S).Keyword_Casing;
1040 function Last_Source_Line (S : SFI) return Physical_Line_Number is
1042 return Source_File.Table (S).Last_Source_Line;
1043 end Last_Source_Line;
1045 function License (S : SFI) return License_Type is
1047 return Source_File.Table (S).License;
1050 function Num_SRef_Pragmas (S : SFI) return Nat is
1052 return Source_File.Table (S).Num_SRef_Pragmas;
1053 end Num_SRef_Pragmas;
1055 function Reference_Name (S : SFI) return File_Name_Type is
1057 return Source_File.Table (S).Reference_Name;
1060 function Source_Checksum (S : SFI) return Word is
1062 return Source_File.Table (S).Source_Checksum;
1063 end Source_Checksum;
1065 function Source_First (S : SFI) return Source_Ptr is
1067 return Source_File.Table (S).Source_First;
1070 function Source_Last (S : SFI) return Source_Ptr is
1072 return Source_File.Table (S).Source_Last;
1075 function Source_Text (S : SFI) return Source_Buffer_Ptr is
1077 return Source_File.Table (S).Source_Text;
1080 function Template (S : SFI) return SFI is
1082 return Source_File.Table (S).Template;
1085 function Time_Stamp (S : SFI) return Time_Stamp_Type is
1087 return Source_File.Table (S).Time_Stamp;
1090 ------------------------------------------
1091 -- Set Procedures for Source File Table --
1092 ------------------------------------------
1094 procedure Set_Identifier_Casing (S : SFI; C : Casing_Type) is
1096 Source_File.Table (S).Identifier_Casing := C;
1097 end Set_Identifier_Casing;
1099 procedure Set_Keyword_Casing (S : SFI; C : Casing_Type) is
1101 Source_File.Table (S).Keyword_Casing := C;
1102 end Set_Keyword_Casing;
1104 procedure Set_License (S : SFI; L : License_Type) is
1106 Source_File.Table (S).License := L;
1109 ----------------------
1110 -- Trim_Lines_Table --
1111 ----------------------
1113 procedure Trim_Lines_Table (S : Source_File_Index) is
1114 Max : constant Nat := Nat (Source_File.Table (S).Last_Source_Line);
1117 -- Release allocated storage that is no longer needed
1119 Source_File.Table (S).Lines_Table := To_Pointer
1121 (To_Address (Source_File.Table (S).Lines_Table),
1123 (Max * (Lines_Table_Type'Component_Size / System.Storage_Unit))));
1124 Source_File.Table (S).Lines_Table_Max := Physical_Line_Number (Max);
1125 end Trim_Lines_Table;
1131 procedure wl (P : Source_Ptr) is