1 ------------------------------------------------------------------------------
3 -- GNAT COMPILER COMPONENTS --
9 -- Copyright (C) 1992-2007, 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 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, 51 Franklin Street, Fifth Floor, --
20 -- Boston, MA 02110-1301, USA. --
22 -- As a special exception, if other files instantiate generics from this --
23 -- unit, or you link this unit with other files to produce an executable, --
24 -- this unit does not by itself cause the resulting executable to be --
25 -- covered by the GNU General Public License. This exception does not --
26 -- however invalidate any other reasons why the executable file might be --
27 -- covered by the GNU Public License. --
29 -- GNAT was originally developed by the GNAT team at New York University. --
30 -- Extensive contributions were provided by Ada Core Technologies Inc. --
32 ------------------------------------------------------------------------------
34 pragma Style_Checks (All_Checks);
35 -- Subprogram ordering not enforced in this unit
36 -- (because of some logical groupings).
38 with Atree; use Atree;
39 with Einfo; use Einfo;
40 with Fname; use Fname;
41 with Output; use Output;
42 with Sinfo; use Sinfo;
43 with Sinput; use Sinput;
44 with Stand; use Stand;
45 with Stringt; use Stringt;
46 with Tree_IO; use Tree_IO;
47 with Uname; use Uname;
51 Switch_Storing_Enabled : Boolean := True;
52 -- Set to False by Disable_Switch_Storing
54 -----------------------
55 -- Local Subprograms --
56 -----------------------
59 Yes_Before, -- S1 is in same extended unit as S2 and appears before it
60 Yes_Same, -- S1 is in same extended unit as S2, Slocs are the same
61 Yes_After, -- S1 is in same extended unit as S2, and appears after it
62 No); -- S2 is not in same extended unit as S2
64 function Check_Same_Extended_Unit (S1, S2 : Source_Ptr) return SEU_Result;
65 -- Used by In_Same_Extended_Unit and Earlier_In_Extended_Unit. Returns
66 -- value as described above.
68 function Get_Code_Or_Source_Unit
70 Unwind_Instances : Boolean) return Unit_Number_Type;
71 -- Common code for Get_Code_Unit (get unit of instantiation for location)
72 -- and Get_Source_Unit (get unit of template for location).
74 --------------------------------------------
75 -- Access Functions for Unit Table Fields --
76 --------------------------------------------
78 function Cunit (U : Unit_Number_Type) return Node_Id is
80 return Units.Table (U).Cunit;
83 function Cunit_Entity (U : Unit_Number_Type) return Entity_Id is
85 return Units.Table (U).Cunit_Entity;
88 function Dependency_Num (U : Unit_Number_Type) return Nat is
90 return Units.Table (U).Dependency_Num;
93 function Dynamic_Elab (U : Unit_Number_Type) return Boolean is
95 return Units.Table (U).Dynamic_Elab;
98 function Error_Location (U : Unit_Number_Type) return Source_Ptr is
100 return Units.Table (U).Error_Location;
103 function Expected_Unit (U : Unit_Number_Type) return Unit_Name_Type is
105 return Units.Table (U).Expected_Unit;
108 function Fatal_Error (U : Unit_Number_Type) return Boolean is
110 return Units.Table (U).Fatal_Error;
113 function Generate_Code (U : Unit_Number_Type) return Boolean is
115 return Units.Table (U).Generate_Code;
118 function Has_RACW (U : Unit_Number_Type) return Boolean is
120 return Units.Table (U).Has_RACW;
123 function Ident_String (U : Unit_Number_Type) return Node_Id is
125 return Units.Table (U).Ident_String;
128 function Loading (U : Unit_Number_Type) return Boolean is
130 return Units.Table (U).Loading;
133 function Main_Priority (U : Unit_Number_Type) return Int is
135 return Units.Table (U).Main_Priority;
138 function Munit_Index (U : Unit_Number_Type) return Nat is
140 return Units.Table (U).Munit_Index;
143 function Source_Index (U : Unit_Number_Type) return Source_File_Index is
145 return Units.Table (U).Source_Index;
148 function Unit_File_Name (U : Unit_Number_Type) return File_Name_Type is
150 return Units.Table (U).Unit_File_Name;
153 function Unit_Name (U : Unit_Number_Type) return Unit_Name_Type is
155 return Units.Table (U).Unit_Name;
158 ------------------------------------------
159 -- Subprograms to Set Unit Table Fields --
160 ------------------------------------------
162 procedure Set_Cunit (U : Unit_Number_Type; N : Node_Id) is
164 Units.Table (U).Cunit := N;
167 procedure Set_Cunit_Entity (U : Unit_Number_Type; E : Entity_Id) is
169 Units.Table (U).Cunit_Entity := E;
170 Set_Is_Compilation_Unit (E);
171 end Set_Cunit_Entity;
173 procedure Set_Dynamic_Elab (U : Unit_Number_Type; B : Boolean := True) is
175 Units.Table (U).Dynamic_Elab := B;
176 end Set_Dynamic_Elab;
178 procedure Set_Error_Location (U : Unit_Number_Type; W : Source_Ptr) is
180 Units.Table (U).Error_Location := W;
181 end Set_Error_Location;
183 procedure Set_Fatal_Error (U : Unit_Number_Type; B : Boolean := True) is
185 Units.Table (U).Fatal_Error := B;
188 procedure Set_Generate_Code (U : Unit_Number_Type; B : Boolean := True) is
190 Units.Table (U).Generate_Code := B;
191 end Set_Generate_Code;
193 procedure Set_Has_RACW (U : Unit_Number_Type; B : Boolean := True) is
195 Units.Table (U).Has_RACW := B;
198 procedure Set_Ident_String (U : Unit_Number_Type; N : Node_Id) is
200 Units.Table (U).Ident_String := N;
201 end Set_Ident_String;
203 procedure Set_Loading (U : Unit_Number_Type; B : Boolean := True) is
205 Units.Table (U).Loading := B;
208 procedure Set_Main_Priority (U : Unit_Number_Type; P : Int) is
210 Units.Table (U).Main_Priority := P;
211 end Set_Main_Priority;
213 procedure Set_Unit_Name (U : Unit_Number_Type; N : Unit_Name_Type) is
215 Units.Table (U).Unit_Name := N;
218 ------------------------------
219 -- Check_Same_Extended_Unit --
220 ------------------------------
222 function Check_Same_Extended_Unit (S1, S2 : Source_Ptr) return SEU_Result is
225 Sind1 : Source_File_Index;
226 Sind2 : Source_File_Index;
229 Unum1 : Unit_Number_Type;
230 Unum2 : Unit_Number_Type;
237 if S1 = No_Location or else S2 = No_Location then
240 elsif S1 = Standard_Location then
241 if S2 = Standard_Location then
247 elsif S2 = Standard_Location then
253 Unum1 := Get_Code_Unit (Sloc1);
254 Unum2 := Get_Code_Unit (Sloc2);
257 Sind1 := Get_Source_File_Index (Sloc1);
258 Sind2 := Get_Source_File_Index (Sloc2);
260 if Sind1 = Sind2 then
261 if Sloc1 < Sloc2 then
263 elsif Sloc1 > Sloc2 then
270 -- OK, the two nodes are in separate source elements, but this is not
271 -- decisive, because of the issue of subunits and instantiations.
273 -- First we deal with subunits, since if the subunit is in an
274 -- instantiation, we know that the parent is in the corresponding
275 -- instantiation, since that is the only way we can have a subunit
276 -- that is part of an instantiation.
278 Unit1 := Unit (Cunit (Unum1));
279 Unit2 := Unit (Cunit (Unum2));
281 if Nkind (Unit1) = N_Subunit
282 and then Present (Corresponding_Stub (Unit1))
284 -- Both in subunits. They could have a common ancestor. If they
285 -- do, then the deeper one must have a longer unit name. Replace
286 -- the deeper one with its corresponding stub, in order to find
287 -- nearest common ancestor, if any.
289 if Nkind (Unit2) = N_Subunit
290 and then Present (Corresponding_Stub (Unit2))
292 if Length_Of_Name (Unit_Name (Unum1)) <
293 Length_Of_Name (Unit_Name (Unum2))
295 Sloc2 := Sloc (Corresponding_Stub (Unit2));
296 Unum2 := Get_Source_Unit (Sloc2);
300 Sloc1 := Sloc (Corresponding_Stub (Unit1));
301 Unum1 := Get_Source_Unit (Sloc1);
305 -- Nod1 in subunit, Nod2 not
308 Sloc1 := Sloc (Corresponding_Stub (Unit1));
309 Unum1 := Get_Source_Unit (Sloc1);
313 -- Nod2 in subunit, Nod1 not
315 elsif Nkind (Unit2) = N_Subunit
316 and then Present (Corresponding_Stub (Unit2))
318 Sloc2 := Sloc (Corresponding_Stub (Unit2));
319 Unum2 := Get_Source_Unit (Sloc2);
323 -- At this stage we know that neither is a subunit, so we deal
324 -- with instantiations, since we culd have a common ancestor
326 Inst1 := Instantiation (Sind1);
327 Inst2 := Instantiation (Sind2);
329 if Inst1 /= No_Location then
331 -- Both are instantiations
333 if Inst2 /= No_Location then
335 Depth1 := Instantiation_Depth (Sloc1);
336 Depth2 := Instantiation_Depth (Sloc2);
338 if Depth1 < Depth2 then
340 Unum2 := Get_Source_Unit (Sloc2);
343 elsif Depth1 > Depth2 then
345 Unum1 := Get_Source_Unit (Sloc1);
351 Unum1 := Get_Source_Unit (Sloc1);
352 Unum2 := Get_Source_Unit (Sloc2);
356 -- Only first node is in instantiation
360 Unum1 := Get_Source_Unit (Sloc1);
364 -- Only second node is instantiation
366 elsif Inst2 /= No_Location then
368 Unum2 := Get_Source_Unit (Sloc2);
372 -- No instantiations involved, so we are not in the same unit
373 -- However, there is one case still to check, namely the case
374 -- where one location is in the spec, and the other in the
375 -- corresponding body (the spec location is earlier).
377 if Nkind (Unit1) = N_Subprogram_Body
379 Nkind (Unit1) = N_Package_Body
381 if Library_Unit (Cunit (Unum1)) = Cunit (Unum2) then
385 elsif Nkind (Unit2) = N_Subprogram_Body
387 Nkind (Unit2) = N_Package_Body
389 if Library_Unit (Cunit (Unum2)) = Cunit (Unum1) then
394 -- If that special case does not occur, then we are certain that
395 -- the two locations are really in separate units.
402 end Check_Same_Extended_Unit;
404 -------------------------------
405 -- Compilation_Switches_Last --
406 -------------------------------
408 function Compilation_Switches_Last return Nat is
410 return Compilation_Switches.Last;
411 end Compilation_Switches_Last;
413 procedure Disable_Switch_Storing is
415 Switch_Storing_Enabled := False;
416 end Disable_Switch_Storing;
418 ------------------------------
419 -- Earlier_In_Extended_Unit --
420 ------------------------------
422 function Earlier_In_Extended_Unit (S1, S2 : Source_Ptr) return Boolean is
424 return Check_Same_Extended_Unit (S1, S2) = Yes_Before;
425 end Earlier_In_Extended_Unit;
427 ----------------------------
428 -- Entity_Is_In_Main_Unit --
429 ----------------------------
431 function Entity_Is_In_Main_Unit (E : Entity_Id) return Boolean is
437 while S /= Standard_Standard loop
438 if S = Main_Unit_Entity then
440 elsif Ekind (S) = E_Package and then Is_Child_Unit (S) then
448 end Entity_Is_In_Main_Unit;
450 ---------------------------------
451 -- Generic_Separately_Compiled --
452 ---------------------------------
454 function Generic_Separately_Compiled (E : Entity_Id) return Boolean is
456 -- We do not generate object files for internal generics, because
457 -- the only thing they would contain is the elaboration boolean, and
458 -- we are careful to elaborate all predefined units first anyway, so
459 -- this boolean is not needed.
461 if Is_Internal_File_Name
462 (Fname => Unit_File_Name (Get_Source_Unit (E)),
463 Renamings_Included => True)
467 -- All other generic units do generate object files
472 end Generic_Separately_Compiled;
474 function Generic_Separately_Compiled
475 (Sfile : File_Name_Type) return Boolean
478 -- Exactly the same as previous function, but works directly on a file
481 if Is_Internal_File_Name
483 Renamings_Included => True)
487 -- All other generic units do generate object files
492 end Generic_Separately_Compiled;
494 -----------------------------
495 -- Get_Code_Or_Source_Unit --
496 -----------------------------
498 function Get_Code_Or_Source_Unit
500 Unwind_Instances : Boolean) return Unit_Number_Type
503 -- Search table unless we have No_Location, which can happen if the
504 -- relevant location has not been set yet. Happens for example when
505 -- we obtain Sloc (Cunit (Main_Unit)) before it is set.
507 if S /= No_Location then
509 Source_File : Source_File_Index;
510 Source_Unit : Unit_Number_Type;
513 Source_File := Get_Source_File_Index (S);
515 if Unwind_Instances then
516 while Template (Source_File) /= No_Source_File loop
517 Source_File := Template (Source_File);
521 Source_Unit := Unit (Source_File);
523 if Source_Unit /= No_Unit then
529 -- If S was No_Location, or was not in the table, we must be in the main
530 -- source unit (and the value has not been placed in the table yet),
531 -- or in one of the configuration pragma files.
534 end Get_Code_Or_Source_Unit;
540 function Get_Code_Unit (S : Source_Ptr) return Unit_Number_Type is
542 return Get_Code_Or_Source_Unit (Top_Level_Location (S),
543 Unwind_Instances => False);
546 function Get_Code_Unit (N : Node_Or_Entity_Id) return Unit_Number_Type is
548 return Get_Code_Unit (Sloc (N));
551 ----------------------------
552 -- Get_Compilation_Switch --
553 ----------------------------
555 function Get_Compilation_Switch (N : Pos) return String_Ptr is
557 if N <= Compilation_Switches.Last then
558 return Compilation_Switches.Table (N);
563 end Get_Compilation_Switch;
565 ----------------------------------
566 -- Get_Cunit_Entity_Unit_Number --
567 ----------------------------------
569 function Get_Cunit_Entity_Unit_Number
570 (E : Entity_Id) return Unit_Number_Type
573 for U in Units.First .. Units.Last loop
574 if Cunit_Entity (U) = E then
579 -- If not in the table, must be the main source unit, and we just
580 -- have not got it put into the table yet.
583 end Get_Cunit_Entity_Unit_Number;
585 ---------------------------
586 -- Get_Cunit_Unit_Number --
587 ---------------------------
589 function Get_Cunit_Unit_Number (N : Node_Id) return Unit_Number_Type is
591 for U in Units.First .. Units.Last loop
592 if Cunit (U) = N then
597 -- If not in the table, must be the main source unit, and we just
598 -- have not got it put into the table yet.
601 end Get_Cunit_Unit_Number;
603 ---------------------
604 -- Get_Source_Unit --
605 ---------------------
607 function Get_Source_Unit (S : Source_Ptr) return Unit_Number_Type is
609 return Get_Code_Or_Source_Unit (S, Unwind_Instances => True);
612 function Get_Source_Unit (N : Node_Or_Entity_Id) return Unit_Number_Type is
614 return Get_Source_Unit (Sloc (N));
617 --------------------------------
618 -- In_Extended_Main_Code_Unit --
619 --------------------------------
621 function In_Extended_Main_Code_Unit
622 (N : Node_Or_Entity_Id) return Boolean
625 if Sloc (N) = Standard_Location then
628 elsif Sloc (N) = No_Location then
631 -- Special case Itypes to test the Sloc of the associated node. The
632 -- reason we do this is for possible calls from gigi after -gnatD
633 -- processing is complete in sprint. This processing updates the
634 -- sloc fields of all nodes in the tree, but itypes are not in the
635 -- tree so their slocs do not get updated.
637 elsif Nkind (N) = N_Defining_Identifier
638 and then Is_Itype (N)
640 return In_Extended_Main_Code_Unit (Associated_Node_For_Itype (N));
642 -- Otherwise see if we are in the main unit
644 elsif Get_Code_Unit (Sloc (N)) = Get_Code_Unit (Cunit (Main_Unit)) then
647 -- Node may be in spec (or subunit etc) of main unit
651 In_Same_Extended_Unit (N, Cunit (Main_Unit));
653 end In_Extended_Main_Code_Unit;
655 function In_Extended_Main_Code_Unit (Loc : Source_Ptr) return Boolean is
657 if Loc = Standard_Location then
660 elsif Loc = No_Location then
663 -- Otherwise see if we are in the main unit
665 elsif Get_Code_Unit (Loc) = Get_Code_Unit (Cunit (Main_Unit)) then
668 -- Location may be in spec (or subunit etc) of main unit
672 In_Same_Extended_Unit (Loc, Sloc (Cunit (Main_Unit)));
674 end In_Extended_Main_Code_Unit;
676 ----------------------------------
677 -- In_Extended_Main_Source_Unit --
678 ----------------------------------
680 function In_Extended_Main_Source_Unit
681 (N : Node_Or_Entity_Id) return Boolean
683 Nloc : constant Source_Ptr := Sloc (N);
684 Mloc : constant Source_Ptr := Sloc (Cunit (Main_Unit));
687 -- If Mloc is not set, it means we are still parsing the main unit,
688 -- so everything so far is in the extended main source unit.
690 if Mloc = No_Location then
693 -- Special value cases
695 elsif Nloc = Standard_Location then
698 elsif Nloc = No_Location then
701 -- Special case Itypes to test the Sloc of the associated node. The
702 -- reason we do this is for possible calls from gigi after -gnatD
703 -- processing is complete in sprint. This processing updates the
704 -- sloc fields of all nodes in the tree, but itypes are not in the
705 -- tree so their slocs do not get updated.
707 elsif Nkind (N) = N_Defining_Identifier
708 and then Is_Itype (N)
710 return In_Extended_Main_Source_Unit (Associated_Node_For_Itype (N));
712 -- Otherwise compare original locations to see if in same unit
716 In_Same_Extended_Unit
717 (Original_Location (Nloc), Original_Location (Mloc));
719 end In_Extended_Main_Source_Unit;
721 function In_Extended_Main_Source_Unit
722 (Loc : Source_Ptr) return Boolean
724 Mloc : constant Source_Ptr := Sloc (Cunit (Main_Unit));
727 -- If Mloc is not set, it means we are still parsing the main unit,
728 -- so everything so far is in the extended main source unit.
730 if Mloc = No_Location then
733 -- Special value cases
735 elsif Loc = Standard_Location then
738 elsif Loc = No_Location then
741 -- Otherwise compare original locations to see if in same unit
745 In_Same_Extended_Unit
746 (Original_Location (Loc), Original_Location (Mloc));
748 end In_Extended_Main_Source_Unit;
750 ------------------------
751 -- In_Predefined_Unit --
752 ------------------------
754 function In_Predefined_Unit (N : Node_Or_Entity_Id) return Boolean is
756 return In_Predefined_Unit (Sloc (N));
757 end In_Predefined_Unit;
759 function In_Predefined_Unit (S : Source_Ptr) return Boolean is
760 Unit : constant Unit_Number_Type := Get_Source_Unit (S);
761 File : constant File_Name_Type := Unit_File_Name (Unit);
763 return Is_Predefined_File_Name (File);
764 end In_Predefined_Unit;
766 -----------------------
767 -- In_Same_Code_Unit --
768 -----------------------
770 function In_Same_Code_Unit (N1, N2 : Node_Or_Entity_Id) return Boolean is
771 S1 : constant Source_Ptr := Sloc (N1);
772 S2 : constant Source_Ptr := Sloc (N2);
775 if S1 = No_Location or else S2 = No_Location then
778 elsif S1 = Standard_Location then
779 return S2 = Standard_Location;
781 elsif S2 = Standard_Location then
785 return Get_Code_Unit (N1) = Get_Code_Unit (N2);
786 end In_Same_Code_Unit;
788 ---------------------------
789 -- In_Same_Extended_Unit --
790 ---------------------------
792 function In_Same_Extended_Unit
793 (N1, N2 : Node_Or_Entity_Id) return Boolean
796 return Check_Same_Extended_Unit (Sloc (N1), Sloc (N2)) /= No;
797 end In_Same_Extended_Unit;
799 function In_Same_Extended_Unit (S1, S2 : Source_Ptr) return Boolean is
801 return Check_Same_Extended_Unit (S1, S2) /= No;
802 end In_Same_Extended_Unit;
804 -------------------------
805 -- In_Same_Source_Unit --
806 -------------------------
808 function In_Same_Source_Unit (N1, N2 : Node_Or_Entity_Id) return Boolean is
809 S1 : constant Source_Ptr := Sloc (N1);
810 S2 : constant Source_Ptr := Sloc (N2);
813 if S1 = No_Location or else S2 = No_Location then
816 elsif S1 = Standard_Location then
817 return S2 = Standard_Location;
819 elsif S2 = Standard_Location then
823 return Get_Source_Unit (N1) = Get_Source_Unit (N2);
824 end In_Same_Source_Unit;
826 -----------------------------
827 -- Increment_Serial_Number --
828 -----------------------------
830 function Increment_Serial_Number return Nat is
831 TSN : Int renames Units.Table (Current_Sem_Unit).Serial_Number;
835 end Increment_Serial_Number;
841 procedure Initialize is
843 Linker_Option_Lines.Init;
846 Compilation_Switches.Init;
853 function Is_Loaded (Uname : Unit_Name_Type) return Boolean is
855 for Unum in Units.First .. Units.Last loop
856 if Uname = Unit_Name (Unum) then
868 function Last_Unit return Unit_Number_Type is
877 procedure List (File_Names_Only : Boolean := False) is separate;
885 Linker_Option_Lines.Locked := True;
886 Load_Stack.Locked := True;
887 Units.Locked := True;
888 Linker_Option_Lines.Release;
897 function Num_Units return Nat is
899 return Int (Units.Last) - Int (Main_Unit) + 1;
906 procedure Remove_Unit (U : Unit_Number_Type) is
908 if U = Units.Last then
909 Units.Decrement_Last;
913 ----------------------------------
914 -- Replace_Linker_Option_String --
915 ----------------------------------
917 procedure Replace_Linker_Option_String
918 (S : String_Id; Match_String : String)
921 if Match_String'Length > 0 then
922 for J in 1 .. Linker_Option_Lines.Last loop
923 String_To_Name_Buffer (Linker_Option_Lines.Table (J).Option);
925 if Match_String = Name_Buffer (1 .. Match_String'Length) then
926 Linker_Option_Lines.Table (J).Option := S;
932 Store_Linker_Option_String (S);
933 end Replace_Linker_Option_String;
939 procedure Sort (Tbl : in out Unit_Ref_Table) is separate;
941 ------------------------------
942 -- Store_Compilation_Switch --
943 ------------------------------
945 procedure Store_Compilation_Switch (Switch : String) is
947 if Switch_Storing_Enabled then
948 Compilation_Switches.Increment_Last;
949 Compilation_Switches.Table (Compilation_Switches.Last) :=
952 -- Fix up --RTS flag which has been transformed by the gcc driver
955 if Switch'Last >= Switch'First + 4
956 and then Switch (Switch'First .. Switch'First + 4) = "-fRTS"
958 Compilation_Switches.Table
959 (Compilation_Switches.Last) (Switch'First + 1) := '-';
962 end Store_Compilation_Switch;
964 --------------------------------
965 -- Store_Linker_Option_String --
966 --------------------------------
968 procedure Store_Linker_Option_String (S : String_Id) is
970 Linker_Option_Lines.Increment_Last;
971 Linker_Option_Lines.Table (Linker_Option_Lines.Last) :=
972 (Option => S, Unit => Current_Sem_Unit);
973 end Store_Linker_Option_String;
975 -------------------------------
976 -- Synchronize_Serial_Number --
977 -------------------------------
979 procedure Synchronize_Serial_Number is
980 TSN : Int renames Units.Table (Current_Sem_Unit).Serial_Number;
983 end Synchronize_Serial_Number;
989 procedure Tree_Read is
996 -- Read Compilation_Switches table. First release the memory occupied
997 -- by the previously loaded switches.
999 for J in Compilation_Switches.First .. Compilation_Switches.Last loop
1000 Free (Compilation_Switches.Table (J));
1004 Compilation_Switches.Set_Last (N);
1006 for J in 1 .. N loop
1008 Compilation_Switches.Table (J) := S;
1016 procedure Tree_Write is
1020 -- Write Compilation_Switches table
1022 Tree_Write_Int (Compilation_Switches.Last);
1024 for J in 1 .. Compilation_Switches.Last loop
1025 Tree_Write_Str (Compilation_Switches.Table (J));
1035 Linker_Option_Lines.Locked := False;
1036 Load_Stack.Locked := False;
1037 Units.Locked := False;
1044 function Version_Get (U : Unit_Number_Type) return Word_Hex_String is
1046 return Get_Hex_String (Units.Table (U).Version);
1049 ------------------------
1050 -- Version_Referenced --
1051 ------------------------
1053 procedure Version_Referenced (S : String_Id) is
1055 Version_Ref.Append (S);
1056 end Version_Referenced;