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 Is_Compiler_Unit (U : Unit_Number_Type) return Boolean is
125 return Units.Table (U).Is_Compiler_Unit;
126 end Is_Compiler_Unit;
128 function Ident_String (U : Unit_Number_Type) return Node_Id is
130 return Units.Table (U).Ident_String;
133 function Loading (U : Unit_Number_Type) return Boolean is
135 return Units.Table (U).Loading;
138 function Main_Priority (U : Unit_Number_Type) return Int is
140 return Units.Table (U).Main_Priority;
143 function Munit_Index (U : Unit_Number_Type) return Nat is
145 return Units.Table (U).Munit_Index;
148 function Source_Index (U : Unit_Number_Type) return Source_File_Index is
150 return Units.Table (U).Source_Index;
153 function Unit_File_Name (U : Unit_Number_Type) return File_Name_Type is
155 return Units.Table (U).Unit_File_Name;
158 function Unit_Name (U : Unit_Number_Type) return Unit_Name_Type is
160 return Units.Table (U).Unit_Name;
163 ------------------------------------------
164 -- Subprograms to Set Unit Table Fields --
165 ------------------------------------------
167 procedure Set_Cunit (U : Unit_Number_Type; N : Node_Id) is
169 Units.Table (U).Cunit := N;
172 procedure Set_Cunit_Entity (U : Unit_Number_Type; E : Entity_Id) is
174 Units.Table (U).Cunit_Entity := E;
175 Set_Is_Compilation_Unit (E);
176 end Set_Cunit_Entity;
178 procedure Set_Dynamic_Elab (U : Unit_Number_Type; B : Boolean := True) is
180 Units.Table (U).Dynamic_Elab := B;
181 end Set_Dynamic_Elab;
183 procedure Set_Error_Location (U : Unit_Number_Type; W : Source_Ptr) is
185 Units.Table (U).Error_Location := W;
186 end Set_Error_Location;
188 procedure Set_Fatal_Error (U : Unit_Number_Type; B : Boolean := True) is
190 Units.Table (U).Fatal_Error := B;
193 procedure Set_Generate_Code (U : Unit_Number_Type; B : Boolean := True) is
195 Units.Table (U).Generate_Code := B;
196 end Set_Generate_Code;
198 procedure Set_Has_RACW (U : Unit_Number_Type; B : Boolean := True) is
200 Units.Table (U).Has_RACW := B;
203 procedure Set_Is_Compiler_Unit
204 (U : Unit_Number_Type;
208 Units.Table (U).Is_Compiler_Unit := B;
209 end Set_Is_Compiler_Unit;
211 procedure Set_Ident_String (U : Unit_Number_Type; N : Node_Id) is
213 Units.Table (U).Ident_String := N;
214 end Set_Ident_String;
216 procedure Set_Loading (U : Unit_Number_Type; B : Boolean := True) is
218 Units.Table (U).Loading := B;
221 procedure Set_Main_Priority (U : Unit_Number_Type; P : Int) is
223 Units.Table (U).Main_Priority := P;
224 end Set_Main_Priority;
226 procedure Set_Unit_Name (U : Unit_Number_Type; N : Unit_Name_Type) is
228 Units.Table (U).Unit_Name := N;
231 ------------------------------
232 -- Check_Same_Extended_Unit --
233 ------------------------------
235 function Check_Same_Extended_Unit (S1, S2 : Source_Ptr) return SEU_Result is
238 Sind1 : Source_File_Index;
239 Sind2 : Source_File_Index;
242 Unum1 : Unit_Number_Type;
243 Unum2 : Unit_Number_Type;
250 if S1 = No_Location or else S2 = No_Location then
253 elsif S1 = Standard_Location then
254 if S2 = Standard_Location then
260 elsif S2 = Standard_Location then
266 Unum1 := Get_Code_Unit (Sloc1);
267 Unum2 := Get_Code_Unit (Sloc2);
270 Sind1 := Get_Source_File_Index (Sloc1);
271 Sind2 := Get_Source_File_Index (Sloc2);
273 if Sind1 = Sind2 then
274 if Sloc1 < Sloc2 then
276 elsif Sloc1 > Sloc2 then
283 -- OK, the two nodes are in separate source elements, but this is not
284 -- decisive, because of the issue of subunits and instantiations.
286 -- First we deal with subunits, since if the subunit is in an
287 -- instantiation, we know that the parent is in the corresponding
288 -- instantiation, since that is the only way we can have a subunit
289 -- that is part of an instantiation.
291 Unit1 := Unit (Cunit (Unum1));
292 Unit2 := Unit (Cunit (Unum2));
294 if Nkind (Unit1) = N_Subunit
295 and then Present (Corresponding_Stub (Unit1))
297 -- Both in subunits. They could have a common ancestor. If they
298 -- do, then the deeper one must have a longer unit name. Replace
299 -- the deeper one with its corresponding stub, in order to find
300 -- nearest common ancestor, if any.
302 if Nkind (Unit2) = N_Subunit
303 and then Present (Corresponding_Stub (Unit2))
305 if Length_Of_Name (Unit_Name (Unum1)) <
306 Length_Of_Name (Unit_Name (Unum2))
308 Sloc2 := Sloc (Corresponding_Stub (Unit2));
309 Unum2 := Get_Source_Unit (Sloc2);
313 Sloc1 := Sloc (Corresponding_Stub (Unit1));
314 Unum1 := Get_Source_Unit (Sloc1);
318 -- Nod1 in subunit, Nod2 not
321 Sloc1 := Sloc (Corresponding_Stub (Unit1));
322 Unum1 := Get_Source_Unit (Sloc1);
326 -- Nod2 in subunit, Nod1 not
328 elsif Nkind (Unit2) = N_Subunit
329 and then Present (Corresponding_Stub (Unit2))
331 Sloc2 := Sloc (Corresponding_Stub (Unit2));
332 Unum2 := Get_Source_Unit (Sloc2);
336 -- At this stage we know that neither is a subunit, so we deal
337 -- with instantiations, since we could have a common ancestor
339 Inst1 := Instantiation (Sind1);
340 Inst2 := Instantiation (Sind2);
342 if Inst1 /= No_Location then
344 -- Both are instantiations
346 if Inst2 /= No_Location then
348 Depth1 := Instantiation_Depth (Sloc1);
349 Depth2 := Instantiation_Depth (Sloc2);
351 if Depth1 < Depth2 then
353 Unum2 := Get_Source_Unit (Sloc2);
356 elsif Depth1 > Depth2 then
358 Unum1 := Get_Source_Unit (Sloc1);
364 Unum1 := Get_Source_Unit (Sloc1);
365 Unum2 := Get_Source_Unit (Sloc2);
369 -- Only first node is in instantiation
373 Unum1 := Get_Source_Unit (Sloc1);
377 -- Only second node is instantiation
379 elsif Inst2 /= No_Location then
381 Unum2 := Get_Source_Unit (Sloc2);
385 -- No instantiations involved, so we are not in the same unit
386 -- However, there is one case still to check, namely the case
387 -- where one location is in the spec, and the other in the
388 -- corresponding body (the spec location is earlier).
390 if Nkind (Unit1) = N_Subprogram_Body
392 Nkind (Unit1) = N_Package_Body
394 if Library_Unit (Cunit (Unum1)) = Cunit (Unum2) then
398 elsif Nkind (Unit2) = N_Subprogram_Body
400 Nkind (Unit2) = N_Package_Body
402 if Library_Unit (Cunit (Unum2)) = Cunit (Unum1) then
407 -- If that special case does not occur, then we are certain that
408 -- the two locations are really in separate units.
415 end Check_Same_Extended_Unit;
417 -------------------------------
418 -- Compilation_Switches_Last --
419 -------------------------------
421 function Compilation_Switches_Last return Nat is
423 return Compilation_Switches.Last;
424 end Compilation_Switches_Last;
426 procedure Disable_Switch_Storing is
428 Switch_Storing_Enabled := False;
429 end Disable_Switch_Storing;
431 ------------------------------
432 -- Earlier_In_Extended_Unit --
433 ------------------------------
435 function Earlier_In_Extended_Unit (S1, S2 : Source_Ptr) return Boolean is
437 return Check_Same_Extended_Unit (S1, S2) = Yes_Before;
438 end Earlier_In_Extended_Unit;
440 ----------------------------
441 -- Entity_Is_In_Main_Unit --
442 ----------------------------
444 function Entity_Is_In_Main_Unit (E : Entity_Id) return Boolean is
450 while S /= Standard_Standard loop
451 if S = Main_Unit_Entity then
453 elsif Ekind (S) = E_Package and then Is_Child_Unit (S) then
461 end Entity_Is_In_Main_Unit;
463 --------------------------
464 -- Generic_May_Lack_ALI --
465 --------------------------
467 function Generic_May_Lack_ALI (Sfile : File_Name_Type) return Boolean is
469 -- We allow internal generic units to be used without having a
470 -- corresponding ALI files to help bootstrapping with older compilers
471 -- that did not support generating ALIs for such generics. It is safe
472 -- to do so because the only thing the generated code would contain
473 -- is the elaboration boolean, and we are careful to elaborate all
474 -- predefined units first anyway.
476 return Is_Internal_File_Name
478 Renamings_Included => True);
479 end Generic_May_Lack_ALI;
481 -----------------------------
482 -- Get_Code_Or_Source_Unit --
483 -----------------------------
485 function Get_Code_Or_Source_Unit
487 Unwind_Instances : Boolean) return Unit_Number_Type
490 -- Search table unless we have No_Location, which can happen if the
491 -- relevant location has not been set yet. Happens for example when
492 -- we obtain Sloc (Cunit (Main_Unit)) before it is set.
494 if S /= No_Location then
496 Source_File : Source_File_Index;
497 Source_Unit : Unit_Number_Type;
500 Source_File := Get_Source_File_Index (S);
502 if Unwind_Instances then
503 while Template (Source_File) /= No_Source_File loop
504 Source_File := Template (Source_File);
508 Source_Unit := Unit (Source_File);
510 if Source_Unit /= No_Unit then
516 -- If S was No_Location, or was not in the table, we must be in the main
517 -- source unit (and the value has not been placed in the table yet),
518 -- or in one of the configuration pragma files.
521 end Get_Code_Or_Source_Unit;
527 function Get_Code_Unit (S : Source_Ptr) return Unit_Number_Type is
529 return Get_Code_Or_Source_Unit (Top_Level_Location (S),
530 Unwind_Instances => False);
533 function Get_Code_Unit (N : Node_Or_Entity_Id) return Unit_Number_Type is
535 return Get_Code_Unit (Sloc (N));
538 ----------------------------
539 -- Get_Compilation_Switch --
540 ----------------------------
542 function Get_Compilation_Switch (N : Pos) return String_Ptr is
544 if N <= Compilation_Switches.Last then
545 return Compilation_Switches.Table (N);
550 end Get_Compilation_Switch;
552 ----------------------------------
553 -- Get_Cunit_Entity_Unit_Number --
554 ----------------------------------
556 function Get_Cunit_Entity_Unit_Number
557 (E : Entity_Id) return Unit_Number_Type
560 for U in Units.First .. Units.Last loop
561 if Cunit_Entity (U) = E then
566 -- If not in the table, must be the main source unit, and we just
567 -- have not got it put into the table yet.
570 end Get_Cunit_Entity_Unit_Number;
572 ---------------------------
573 -- Get_Cunit_Unit_Number --
574 ---------------------------
576 function Get_Cunit_Unit_Number (N : Node_Id) return Unit_Number_Type is
578 for U in Units.First .. Units.Last loop
579 if Cunit (U) = N then
584 -- If not in the table, must be the main source unit, and we just
585 -- have not got it put into the table yet.
588 end Get_Cunit_Unit_Number;
590 ---------------------
591 -- Get_Source_Unit --
592 ---------------------
594 function Get_Source_Unit (S : Source_Ptr) return Unit_Number_Type is
596 return Get_Code_Or_Source_Unit (S, Unwind_Instances => True);
599 function Get_Source_Unit (N : Node_Or_Entity_Id) return Unit_Number_Type is
601 return Get_Source_Unit (Sloc (N));
604 --------------------------------
605 -- In_Extended_Main_Code_Unit --
606 --------------------------------
608 function In_Extended_Main_Code_Unit
609 (N : Node_Or_Entity_Id) return Boolean
612 if Sloc (N) = Standard_Location then
615 elsif Sloc (N) = No_Location then
618 -- Special case Itypes to test the Sloc of the associated node. The
619 -- reason we do this is for possible calls from gigi after -gnatD
620 -- processing is complete in sprint. This processing updates the
621 -- sloc fields of all nodes in the tree, but itypes are not in the
622 -- tree so their slocs do not get updated.
624 elsif Nkind (N) = N_Defining_Identifier
625 and then Is_Itype (N)
627 return In_Extended_Main_Code_Unit (Associated_Node_For_Itype (N));
629 -- Otherwise see if we are in the main unit
631 elsif Get_Code_Unit (Sloc (N)) = Get_Code_Unit (Cunit (Main_Unit)) then
634 -- Node may be in spec (or subunit etc) of main unit
638 In_Same_Extended_Unit (N, Cunit (Main_Unit));
640 end In_Extended_Main_Code_Unit;
642 function In_Extended_Main_Code_Unit (Loc : Source_Ptr) return Boolean is
644 if Loc = Standard_Location then
647 elsif Loc = No_Location then
650 -- Otherwise see if we are in the main unit
652 elsif Get_Code_Unit (Loc) = Get_Code_Unit (Cunit (Main_Unit)) then
655 -- Location may be in spec (or subunit etc) of main unit
659 In_Same_Extended_Unit (Loc, Sloc (Cunit (Main_Unit)));
661 end In_Extended_Main_Code_Unit;
663 ----------------------------------
664 -- In_Extended_Main_Source_Unit --
665 ----------------------------------
667 function In_Extended_Main_Source_Unit
668 (N : Node_Or_Entity_Id) return Boolean
670 Nloc : constant Source_Ptr := Sloc (N);
671 Mloc : constant Source_Ptr := Sloc (Cunit (Main_Unit));
674 -- If Mloc is not set, it means we are still parsing the main unit,
675 -- so everything so far is in the extended main source unit.
677 if Mloc = No_Location then
680 -- Special value cases
682 elsif Nloc = Standard_Location then
685 elsif Nloc = No_Location then
688 -- Special case Itypes to test the Sloc of the associated node. The
689 -- reason we do this is for possible calls from gigi after -gnatD
690 -- processing is complete in sprint. This processing updates the
691 -- sloc fields of all nodes in the tree, but itypes are not in the
692 -- tree so their slocs do not get updated.
694 elsif Nkind (N) = N_Defining_Identifier
695 and then Is_Itype (N)
697 return In_Extended_Main_Source_Unit (Associated_Node_For_Itype (N));
699 -- Otherwise compare original locations to see if in same unit
703 In_Same_Extended_Unit
704 (Original_Location (Nloc), Original_Location (Mloc));
706 end In_Extended_Main_Source_Unit;
708 function In_Extended_Main_Source_Unit
709 (Loc : Source_Ptr) return Boolean
711 Mloc : constant Source_Ptr := Sloc (Cunit (Main_Unit));
714 -- If Mloc is not set, it means we are still parsing the main unit,
715 -- so everything so far is in the extended main source unit.
717 if Mloc = No_Location then
720 -- Special value cases
722 elsif Loc = Standard_Location then
725 elsif Loc = No_Location then
728 -- Otherwise compare original locations to see if in same unit
732 In_Same_Extended_Unit
733 (Original_Location (Loc), Original_Location (Mloc));
735 end In_Extended_Main_Source_Unit;
737 ------------------------
738 -- In_Predefined_Unit --
739 ------------------------
741 function In_Predefined_Unit (N : Node_Or_Entity_Id) return Boolean is
743 return In_Predefined_Unit (Sloc (N));
744 end In_Predefined_Unit;
746 function In_Predefined_Unit (S : Source_Ptr) return Boolean is
747 Unit : constant Unit_Number_Type := Get_Source_Unit (S);
748 File : constant File_Name_Type := Unit_File_Name (Unit);
750 return Is_Predefined_File_Name (File);
751 end In_Predefined_Unit;
753 -----------------------
754 -- In_Same_Code_Unit --
755 -----------------------
757 function In_Same_Code_Unit (N1, N2 : Node_Or_Entity_Id) return Boolean is
758 S1 : constant Source_Ptr := Sloc (N1);
759 S2 : constant Source_Ptr := Sloc (N2);
762 if S1 = No_Location or else S2 = No_Location then
765 elsif S1 = Standard_Location then
766 return S2 = Standard_Location;
768 elsif S2 = Standard_Location then
772 return Get_Code_Unit (N1) = Get_Code_Unit (N2);
773 end In_Same_Code_Unit;
775 ---------------------------
776 -- In_Same_Extended_Unit --
777 ---------------------------
779 function In_Same_Extended_Unit
780 (N1, N2 : Node_Or_Entity_Id) return Boolean
783 return Check_Same_Extended_Unit (Sloc (N1), Sloc (N2)) /= No;
784 end In_Same_Extended_Unit;
786 function In_Same_Extended_Unit (S1, S2 : Source_Ptr) return Boolean is
788 return Check_Same_Extended_Unit (S1, S2) /= No;
789 end In_Same_Extended_Unit;
791 -------------------------
792 -- In_Same_Source_Unit --
793 -------------------------
795 function In_Same_Source_Unit (N1, N2 : Node_Or_Entity_Id) return Boolean is
796 S1 : constant Source_Ptr := Sloc (N1);
797 S2 : constant Source_Ptr := Sloc (N2);
800 if S1 = No_Location or else S2 = No_Location then
803 elsif S1 = Standard_Location then
804 return S2 = Standard_Location;
806 elsif S2 = Standard_Location then
810 return Get_Source_Unit (N1) = Get_Source_Unit (N2);
811 end In_Same_Source_Unit;
813 -----------------------------
814 -- Increment_Serial_Number --
815 -----------------------------
817 function Increment_Serial_Number return Nat is
818 TSN : Int renames Units.Table (Current_Sem_Unit).Serial_Number;
822 end Increment_Serial_Number;
828 procedure Initialize is
830 Linker_Option_Lines.Init;
833 Compilation_Switches.Init;
840 function Is_Loaded (Uname : Unit_Name_Type) return Boolean is
842 for Unum in Units.First .. Units.Last loop
843 if Uname = Unit_Name (Unum) then
855 function Last_Unit return Unit_Number_Type is
864 procedure List (File_Names_Only : Boolean := False) is separate;
872 Linker_Option_Lines.Locked := True;
873 Load_Stack.Locked := True;
874 Units.Locked := True;
875 Linker_Option_Lines.Release;
884 function Num_Units return Nat is
886 return Int (Units.Last) - Int (Main_Unit) + 1;
893 procedure Remove_Unit (U : Unit_Number_Type) is
895 if U = Units.Last then
896 Units.Decrement_Last;
900 ----------------------------------
901 -- Replace_Linker_Option_String --
902 ----------------------------------
904 procedure Replace_Linker_Option_String
905 (S : String_Id; Match_String : String)
908 if Match_String'Length > 0 then
909 for J in 1 .. Linker_Option_Lines.Last loop
910 String_To_Name_Buffer (Linker_Option_Lines.Table (J).Option);
912 if Match_String = Name_Buffer (1 .. Match_String'Length) then
913 Linker_Option_Lines.Table (J).Option := S;
919 Store_Linker_Option_String (S);
920 end Replace_Linker_Option_String;
926 procedure Sort (Tbl : in out Unit_Ref_Table) is separate;
928 ------------------------------
929 -- Store_Compilation_Switch --
930 ------------------------------
932 procedure Store_Compilation_Switch (Switch : String) is
934 if Switch_Storing_Enabled then
935 Compilation_Switches.Increment_Last;
936 Compilation_Switches.Table (Compilation_Switches.Last) :=
939 -- Fix up --RTS flag which has been transformed by the gcc driver
942 if Switch'Last >= Switch'First + 4
943 and then Switch (Switch'First .. Switch'First + 4) = "-fRTS"
945 Compilation_Switches.Table
946 (Compilation_Switches.Last) (Switch'First + 1) := '-';
949 end Store_Compilation_Switch;
951 --------------------------------
952 -- Store_Linker_Option_String --
953 --------------------------------
955 procedure Store_Linker_Option_String (S : String_Id) is
957 Linker_Option_Lines.Increment_Last;
958 Linker_Option_Lines.Table (Linker_Option_Lines.Last) :=
959 (Option => S, Unit => Current_Sem_Unit);
960 end Store_Linker_Option_String;
962 -------------------------------
963 -- Synchronize_Serial_Number --
964 -------------------------------
966 procedure Synchronize_Serial_Number is
967 TSN : Int renames Units.Table (Current_Sem_Unit).Serial_Number;
970 end Synchronize_Serial_Number;
976 procedure Tree_Read is
983 -- Read Compilation_Switches table. First release the memory occupied
984 -- by the previously loaded switches.
986 for J in Compilation_Switches.First .. Compilation_Switches.Last loop
987 Free (Compilation_Switches.Table (J));
991 Compilation_Switches.Set_Last (N);
995 Compilation_Switches.Table (J) := S;
1003 procedure Tree_Write is
1007 -- Write Compilation_Switches table
1009 Tree_Write_Int (Compilation_Switches.Last);
1011 for J in 1 .. Compilation_Switches.Last loop
1012 Tree_Write_Str (Compilation_Switches.Table (J));
1022 Linker_Option_Lines.Locked := False;
1023 Load_Stack.Locked := False;
1024 Units.Locked := False;
1031 function Version_Get (U : Unit_Number_Type) return Word_Hex_String is
1033 return Get_Hex_String (Units.Table (U).Version);
1036 ------------------------
1037 -- Version_Referenced --
1038 ------------------------
1040 procedure Version_Referenced (S : String_Id) is
1042 Version_Ref.Append (S);
1043 end Version_Referenced;