1 ------------------------------------------------------------------------------
3 -- GNAT COMPILER COMPONENTS --
9 -- Copyright (C) 1992-2011, 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 3, 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. --
18 -- As a special exception under Section 7 of GPL version 3, you are granted --
19 -- additional permissions described in the GCC Runtime Library Exception, --
20 -- version 3.1, as published by the Free Software Foundation. --
22 -- You should have received a copy of the GNU General Public License and --
23 -- a copy of the GCC Runtime Library Exception along with this program; --
24 -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
25 -- <http://www.gnu.org/licenses/>. --
27 -- GNAT was originally developed by the GNAT team at New York University. --
28 -- Extensive contributions were provided by Ada Core Technologies Inc. --
30 ------------------------------------------------------------------------------
32 pragma Style_Checks (All_Checks);
33 -- Subprogram ordering not enforced in this unit
34 -- (because of some logical groupings).
36 with Atree; use Atree;
37 with Csets; use Csets;
38 with Einfo; use Einfo;
39 with Fname; use Fname;
40 with Output; use Output;
41 with Sinfo; use Sinfo;
42 with Sinput; use Sinput;
43 with Stand; use Stand;
44 with Stringt; use Stringt;
45 with Tree_IO; use Tree_IO;
46 with Uname; use Uname;
47 with Widechar; use Widechar;
51 Switch_Storing_Enabled : Boolean := True;
52 -- Controlled by Enable_Switch_Storing/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_Allocator (U : Unit_Number_Type) return Boolean is
120 return Units.Table (U).Has_Allocator;
123 function Has_RACW (U : Unit_Number_Type) return Boolean is
125 return Units.Table (U).Has_RACW;
128 function Is_Compiler_Unit (U : Unit_Number_Type) return Boolean is
130 return Units.Table (U).Is_Compiler_Unit;
131 end Is_Compiler_Unit;
133 function Ident_String (U : Unit_Number_Type) return Node_Id is
135 return Units.Table (U).Ident_String;
138 function Loading (U : Unit_Number_Type) return Boolean is
140 return Units.Table (U).Loading;
143 function Main_CPU (U : Unit_Number_Type) return Int is
145 return Units.Table (U).Main_CPU;
148 function Main_Priority (U : Unit_Number_Type) return Int is
150 return Units.Table (U).Main_Priority;
153 function Munit_Index (U : Unit_Number_Type) return Nat is
155 return Units.Table (U).Munit_Index;
158 function OA_Setting (U : Unit_Number_Type) return Character is
160 return Units.Table (U).OA_Setting;
163 function Source_Index (U : Unit_Number_Type) return Source_File_Index is
165 return Units.Table (U).Source_Index;
168 function Unit_File_Name (U : Unit_Number_Type) return File_Name_Type is
170 return Units.Table (U).Unit_File_Name;
173 function Unit_Name (U : Unit_Number_Type) return Unit_Name_Type is
175 return Units.Table (U).Unit_Name;
178 ------------------------------------------
179 -- Subprograms to Set Unit Table Fields --
180 ------------------------------------------
182 procedure Set_Cunit (U : Unit_Number_Type; N : Node_Id) is
184 Units.Table (U).Cunit := N;
187 procedure Set_Cunit_Entity (U : Unit_Number_Type; E : Entity_Id) is
189 Units.Table (U).Cunit_Entity := E;
190 Set_Is_Compilation_Unit (E);
191 end Set_Cunit_Entity;
193 procedure Set_Dynamic_Elab (U : Unit_Number_Type; B : Boolean := True) is
195 Units.Table (U).Dynamic_Elab := B;
196 end Set_Dynamic_Elab;
198 procedure Set_Error_Location (U : Unit_Number_Type; W : Source_Ptr) is
200 Units.Table (U).Error_Location := W;
201 end Set_Error_Location;
203 procedure Set_Fatal_Error (U : Unit_Number_Type; B : Boolean := True) is
205 Units.Table (U).Fatal_Error := B;
208 procedure Set_Generate_Code (U : Unit_Number_Type; B : Boolean := True) is
210 Units.Table (U).Generate_Code := B;
211 end Set_Generate_Code;
213 procedure Set_Has_Allocator (U : Unit_Number_Type; B : Boolean := True) is
215 Units.Table (U).Has_Allocator := B;
216 end Set_Has_Allocator;
218 procedure Set_Has_RACW (U : Unit_Number_Type; B : Boolean := True) is
220 Units.Table (U).Has_RACW := B;
223 procedure Set_Is_Compiler_Unit
224 (U : Unit_Number_Type;
228 Units.Table (U).Is_Compiler_Unit := B;
229 end Set_Is_Compiler_Unit;
231 procedure Set_Ident_String (U : Unit_Number_Type; N : Node_Id) is
233 Units.Table (U).Ident_String := N;
234 end Set_Ident_String;
236 procedure Set_Loading (U : Unit_Number_Type; B : Boolean := True) is
238 Units.Table (U).Loading := B;
241 procedure Set_Main_CPU (U : Unit_Number_Type; P : Int) is
243 Units.Table (U).Main_CPU := P;
246 procedure Set_Main_Priority (U : Unit_Number_Type; P : Int) is
248 Units.Table (U).Main_Priority := P;
249 end Set_Main_Priority;
251 procedure Set_OA_Setting (U : Unit_Number_Type; C : Character) is
253 Units.Table (U).OA_Setting := C;
256 procedure Set_Unit_Name (U : Unit_Number_Type; N : Unit_Name_Type) is
258 Units.Table (U).Unit_Name := N;
261 ------------------------------
262 -- Check_Same_Extended_Unit --
263 ------------------------------
265 function Check_Same_Extended_Unit (S1, S2 : Source_Ptr) return SEU_Result is
268 Sind1 : Source_File_Index;
269 Sind2 : Source_File_Index;
272 Unum1 : Unit_Number_Type;
273 Unum2 : Unit_Number_Type;
280 if S1 = No_Location or else S2 = No_Location then
283 elsif S1 = Standard_Location then
284 if S2 = Standard_Location then
290 elsif S2 = Standard_Location then
296 Unum1 := Get_Code_Unit (Sloc1);
297 Unum2 := Get_Code_Unit (Sloc2);
300 Sind1 := Get_Source_File_Index (Sloc1);
301 Sind2 := Get_Source_File_Index (Sloc2);
303 if Sind1 = Sind2 then
304 if Sloc1 < Sloc2 then
306 elsif Sloc1 > Sloc2 then
313 -- OK, the two nodes are in separate source elements, but this is not
314 -- decisive, because of the issue of subunits and instantiations.
316 -- First we deal with subunits, since if the subunit is in an
317 -- instantiation, we know that the parent is in the corresponding
318 -- instantiation, since that is the only way we can have a subunit
319 -- that is part of an instantiation.
321 Unit1 := Unit (Cunit (Unum1));
322 Unit2 := Unit (Cunit (Unum2));
324 if Nkind (Unit1) = N_Subunit
325 and then Present (Corresponding_Stub (Unit1))
327 -- Both in subunits. They could have a common ancestor. If they
328 -- do, then the deeper one must have a longer unit name. Replace
329 -- the deeper one with its corresponding stub, in order to find
330 -- nearest common ancestor, if any.
332 if Nkind (Unit2) = N_Subunit
333 and then Present (Corresponding_Stub (Unit2))
335 if Length_Of_Name (Unit_Name (Unum1)) <
336 Length_Of_Name (Unit_Name (Unum2))
338 Sloc2 := Sloc (Corresponding_Stub (Unit2));
339 Unum2 := Get_Source_Unit (Sloc2);
343 Sloc1 := Sloc (Corresponding_Stub (Unit1));
344 Unum1 := Get_Source_Unit (Sloc1);
348 -- Nod1 in subunit, Nod2 not
351 Sloc1 := Sloc (Corresponding_Stub (Unit1));
352 Unum1 := Get_Source_Unit (Sloc1);
356 -- Nod2 in subunit, Nod1 not
358 elsif Nkind (Unit2) = N_Subunit
359 and then Present (Corresponding_Stub (Unit2))
361 Sloc2 := Sloc (Corresponding_Stub (Unit2));
362 Unum2 := Get_Source_Unit (Sloc2);
366 -- At this stage we know that neither is a subunit, so we deal
367 -- with instantiations, since we could have a common ancestor
369 Inst1 := Instantiation (Sind1);
370 Inst2 := Instantiation (Sind2);
372 if Inst1 /= No_Location then
374 -- Both are instantiations
376 if Inst2 /= No_Location then
378 Depth1 := Instantiation_Depth (Sloc1);
379 Depth2 := Instantiation_Depth (Sloc2);
381 if Depth1 < Depth2 then
383 Unum2 := Get_Source_Unit (Sloc2);
386 elsif Depth1 > Depth2 then
388 Unum1 := Get_Source_Unit (Sloc1);
394 Unum1 := Get_Source_Unit (Sloc1);
395 Unum2 := Get_Source_Unit (Sloc2);
399 -- Only first node is in instantiation
403 Unum1 := Get_Source_Unit (Sloc1);
407 -- Only second node is instantiation
409 elsif Inst2 /= No_Location then
411 Unum2 := Get_Source_Unit (Sloc2);
415 -- No instantiations involved, so we are not in the same unit
416 -- However, there is one case still to check, namely the case
417 -- where one location is in the spec, and the other in the
418 -- corresponding body (the spec location is earlier).
420 if Nkind (Unit1) = N_Subprogram_Body
422 Nkind (Unit1) = N_Package_Body
424 if Library_Unit (Cunit (Unum1)) = Cunit (Unum2) then
428 elsif Nkind (Unit2) = N_Subprogram_Body
430 Nkind (Unit2) = N_Package_Body
432 if Library_Unit (Cunit (Unum2)) = Cunit (Unum1) then
437 -- If that special case does not occur, then we are certain that
438 -- the two locations are really in separate units.
445 end Check_Same_Extended_Unit;
447 -------------------------------
448 -- Compilation_Switches_Last --
449 -------------------------------
451 function Compilation_Switches_Last return Nat is
453 return Compilation_Switches.Last;
454 end Compilation_Switches_Last;
456 ---------------------------
457 -- Enable_Switch_Storing --
458 ---------------------------
460 procedure Enable_Switch_Storing is
462 Switch_Storing_Enabled := True;
463 end Enable_Switch_Storing;
465 ----------------------------
466 -- Disable_Switch_Storing --
467 ----------------------------
469 procedure Disable_Switch_Storing is
471 Switch_Storing_Enabled := False;
472 end Disable_Switch_Storing;
474 ------------------------------
475 -- Earlier_In_Extended_Unit --
476 ------------------------------
478 function Earlier_In_Extended_Unit (S1, S2 : Source_Ptr) return Boolean is
480 return Check_Same_Extended_Unit (S1, S2) = Yes_Before;
481 end Earlier_In_Extended_Unit;
483 -----------------------
484 -- Exact_Source_Name --
485 -----------------------
487 function Exact_Source_Name (Loc : Source_Ptr) return String is
488 U : constant Unit_Number_Type := Get_Source_Unit (Loc);
489 Buf : constant Source_Buffer_Ptr := Source_Text (Source_Index (U));
490 Orig : constant Source_Ptr := Original_Location (Loc);
495 pragma Warnings (Off, WC);
496 pragma Warnings (Off, Err);
499 -- Entity is character literal
501 if Buf (Orig) = ''' then
502 return String (Buf (Orig .. Orig + 2));
504 -- Entity is operator symbol
506 elsif Buf (Orig) = '"' or else Buf (Orig) = '%' then
511 exit when Buf (P) = Buf (Orig);
514 return String (Buf (Orig .. P));
516 -- Entity is identifier
522 if Is_Start_Of_Wide_Char (Buf, P) then
523 Scan_Wide (Buf, P, WC, Err);
524 elsif not Identifier_Char (Buf (P)) then
531 -- Write out the identifier by copying the exact source characters
532 -- used in its declaration. Note that this means wide characters will
533 -- be in their original encoded form.
535 return String (Buf (Orig .. P - 1));
537 end Exact_Source_Name;
539 ----------------------------
540 -- Entity_Is_In_Main_Unit --
541 ----------------------------
543 function Entity_Is_In_Main_Unit (E : Entity_Id) return Boolean is
549 while S /= Standard_Standard loop
550 if S = Main_Unit_Entity then
552 elsif Ekind (S) = E_Package and then Is_Child_Unit (S) then
560 end Entity_Is_In_Main_Unit;
562 --------------------------
563 -- Generic_May_Lack_ALI --
564 --------------------------
566 function Generic_May_Lack_ALI (Sfile : File_Name_Type) return Boolean is
568 -- We allow internal generic units to be used without having a
569 -- corresponding ALI files to help bootstrapping with older compilers
570 -- that did not support generating ALIs for such generics. It is safe
571 -- to do so because the only thing the generated code would contain
572 -- is the elaboration boolean, and we are careful to elaborate all
573 -- predefined units first anyway.
575 return Is_Internal_File_Name
577 Renamings_Included => True);
578 end Generic_May_Lack_ALI;
580 -----------------------------
581 -- Get_Code_Or_Source_Unit --
582 -----------------------------
584 function Get_Code_Or_Source_Unit
586 Unwind_Instances : Boolean) return Unit_Number_Type
589 -- Search table unless we have No_Location, which can happen if the
590 -- relevant location has not been set yet. Happens for example when
591 -- we obtain Sloc (Cunit (Main_Unit)) before it is set.
593 if S /= No_Location then
595 Source_File : Source_File_Index;
596 Source_Unit : Unit_Number_Type;
599 Source_File := Get_Source_File_Index (S);
601 if Unwind_Instances then
602 while Template (Source_File) /= No_Source_File loop
603 Source_File := Template (Source_File);
607 Source_Unit := Unit (Source_File);
609 if Source_Unit /= No_Unit then
615 -- If S was No_Location, or was not in the table, we must be in the main
616 -- source unit (and the value has not been placed in the table yet),
617 -- or in one of the configuration pragma files.
620 end Get_Code_Or_Source_Unit;
626 function Get_Code_Unit (S : Source_Ptr) return Unit_Number_Type is
628 return Get_Code_Or_Source_Unit (Top_Level_Location (S),
629 Unwind_Instances => False);
632 function Get_Code_Unit (N : Node_Or_Entity_Id) return Unit_Number_Type is
634 return Get_Code_Unit (Sloc (N));
637 ----------------------------
638 -- Get_Compilation_Switch --
639 ----------------------------
641 function Get_Compilation_Switch (N : Pos) return String_Ptr is
643 if N <= Compilation_Switches.Last then
644 return Compilation_Switches.Table (N);
649 end Get_Compilation_Switch;
651 ----------------------------------
652 -- Get_Cunit_Entity_Unit_Number --
653 ----------------------------------
655 function Get_Cunit_Entity_Unit_Number
656 (E : Entity_Id) return Unit_Number_Type
659 for U in Units.First .. Units.Last loop
660 if Cunit_Entity (U) = E then
665 -- If not in the table, must be the main source unit, and we just
666 -- have not got it put into the table yet.
669 end Get_Cunit_Entity_Unit_Number;
671 ---------------------------
672 -- Get_Cunit_Unit_Number --
673 ---------------------------
675 function Get_Cunit_Unit_Number (N : Node_Id) return Unit_Number_Type is
677 for U in Units.First .. Units.Last loop
678 if Cunit (U) = N then
683 -- If not in the table, must be a spec created for a main unit that is a
684 -- child subprogram body which we have not inserted into the table yet.
686 if N = Library_Unit (Cunit (Main_Unit)) then
689 -- If it is anything else, something is seriously wrong, and we really
690 -- don't want to proceed, even if assertions are off, so we explicitly
691 -- raise an exception in this case to terminate compilation.
696 end Get_Cunit_Unit_Number;
698 ---------------------
699 -- Get_Source_Unit --
700 ---------------------
702 function Get_Source_Unit (S : Source_Ptr) return Unit_Number_Type is
704 return Get_Code_Or_Source_Unit (S, Unwind_Instances => True);
707 function Get_Source_Unit (N : Node_Or_Entity_Id) return Unit_Number_Type is
709 return Get_Source_Unit (Sloc (N));
712 --------------------------------
713 -- In_Extended_Main_Code_Unit --
714 --------------------------------
716 function In_Extended_Main_Code_Unit
717 (N : Node_Or_Entity_Id) return Boolean
720 if Sloc (N) = Standard_Location then
723 elsif Sloc (N) = No_Location then
726 -- Special case Itypes to test the Sloc of the associated node. The
727 -- reason we do this is for possible calls from gigi after -gnatD
728 -- processing is complete in sprint. This processing updates the
729 -- sloc fields of all nodes in the tree, but itypes are not in the
730 -- tree so their slocs do not get updated.
732 elsif Nkind (N) = N_Defining_Identifier
733 and then Is_Itype (N)
735 return In_Extended_Main_Code_Unit (Associated_Node_For_Itype (N));
737 -- Otherwise see if we are in the main unit
739 elsif Get_Code_Unit (Sloc (N)) = Get_Code_Unit (Cunit (Main_Unit)) then
742 -- Node may be in spec (or subunit etc) of main unit
746 In_Same_Extended_Unit (N, Cunit (Main_Unit));
748 end In_Extended_Main_Code_Unit;
750 function In_Extended_Main_Code_Unit (Loc : Source_Ptr) return Boolean is
752 if Loc = Standard_Location then
755 elsif Loc = No_Location then
758 -- Otherwise see if we are in the main unit
760 elsif Get_Code_Unit (Loc) = Get_Code_Unit (Cunit (Main_Unit)) then
763 -- Location may be in spec (or subunit etc) of main unit
767 In_Same_Extended_Unit (Loc, Sloc (Cunit (Main_Unit)));
769 end In_Extended_Main_Code_Unit;
771 ----------------------------------
772 -- In_Extended_Main_Source_Unit --
773 ----------------------------------
775 function In_Extended_Main_Source_Unit
776 (N : Node_Or_Entity_Id) return Boolean
778 Nloc : constant Source_Ptr := Sloc (N);
779 Mloc : constant Source_Ptr := Sloc (Cunit (Main_Unit));
782 -- If parsing, then use the global flag to indicate result
784 if Compiler_State = Parsing then
785 return Parsing_Main_Extended_Source;
787 -- Special value cases
789 elsif Nloc = Standard_Location then
792 elsif Nloc = No_Location then
795 -- Special case Itypes to test the Sloc of the associated node. The
796 -- reason we do this is for possible calls from gigi after -gnatD
797 -- processing is complete in sprint. This processing updates the
798 -- sloc fields of all nodes in the tree, but itypes are not in the
799 -- tree so their slocs do not get updated.
801 elsif Nkind (N) = N_Defining_Identifier
802 and then Is_Itype (N)
804 return In_Extended_Main_Source_Unit (Associated_Node_For_Itype (N));
806 -- Otherwise compare original locations to see if in same unit
810 In_Same_Extended_Unit
811 (Original_Location (Nloc), Original_Location (Mloc));
813 end In_Extended_Main_Source_Unit;
815 function In_Extended_Main_Source_Unit
816 (Loc : Source_Ptr) return Boolean
818 Mloc : constant Source_Ptr := Sloc (Cunit (Main_Unit));
821 -- If parsing, then use the global flag to indicate result
823 if Compiler_State = Parsing then
824 return Parsing_Main_Extended_Source;
826 -- Special value cases
828 elsif Loc = Standard_Location then
831 elsif Loc = No_Location then
834 -- Otherwise compare original locations to see if in same unit
838 In_Same_Extended_Unit
839 (Original_Location (Loc), Original_Location (Mloc));
841 end In_Extended_Main_Source_Unit;
843 ------------------------
844 -- In_Predefined_Unit --
845 ------------------------
847 function In_Predefined_Unit (N : Node_Or_Entity_Id) return Boolean is
849 return In_Predefined_Unit (Sloc (N));
850 end In_Predefined_Unit;
852 function In_Predefined_Unit (S : Source_Ptr) return Boolean is
853 Unit : constant Unit_Number_Type := Get_Source_Unit (S);
854 File : constant File_Name_Type := Unit_File_Name (Unit);
856 return Is_Predefined_File_Name (File);
857 end In_Predefined_Unit;
859 -----------------------
860 -- In_Same_Code_Unit --
861 -----------------------
863 function In_Same_Code_Unit (N1, N2 : Node_Or_Entity_Id) return Boolean is
864 S1 : constant Source_Ptr := Sloc (N1);
865 S2 : constant Source_Ptr := Sloc (N2);
868 if S1 = No_Location or else S2 = No_Location then
871 elsif S1 = Standard_Location then
872 return S2 = Standard_Location;
874 elsif S2 = Standard_Location then
878 return Get_Code_Unit (N1) = Get_Code_Unit (N2);
879 end In_Same_Code_Unit;
881 ---------------------------
882 -- In_Same_Extended_Unit --
883 ---------------------------
885 function In_Same_Extended_Unit
886 (N1, N2 : Node_Or_Entity_Id) return Boolean
889 return Check_Same_Extended_Unit (Sloc (N1), Sloc (N2)) /= No;
890 end In_Same_Extended_Unit;
892 function In_Same_Extended_Unit (S1, S2 : Source_Ptr) return Boolean is
894 return Check_Same_Extended_Unit (S1, S2) /= No;
895 end In_Same_Extended_Unit;
897 -------------------------
898 -- In_Same_Source_Unit --
899 -------------------------
901 function In_Same_Source_Unit (N1, N2 : Node_Or_Entity_Id) return Boolean is
902 S1 : constant Source_Ptr := Sloc (N1);
903 S2 : constant Source_Ptr := Sloc (N2);
906 if S1 = No_Location or else S2 = No_Location then
909 elsif S1 = Standard_Location then
910 return S2 = Standard_Location;
912 elsif S2 = Standard_Location then
916 return Get_Source_Unit (N1) = Get_Source_Unit (N2);
917 end In_Same_Source_Unit;
919 -----------------------------
920 -- Increment_Serial_Number --
921 -----------------------------
923 function Increment_Serial_Number return Nat is
924 TSN : Int renames Units.Table (Current_Sem_Unit).Serial_Number;
928 end Increment_Serial_Number;
934 procedure Initialize is
936 Linker_Option_Lines.Init;
940 Compilation_Switches.Init;
947 function Is_Loaded (Uname : Unit_Name_Type) return Boolean is
949 for Unum in Units.First .. Units.Last loop
950 if Uname = Unit_Name (Unum) then
962 function Last_Unit return Unit_Number_Type is
971 procedure List (File_Names_Only : Boolean := False) is separate;
979 Linker_Option_Lines.Locked := True;
980 Load_Stack.Locked := True;
981 Units.Locked := True;
982 Linker_Option_Lines.Release;
991 function Num_Units return Nat is
993 return Int (Units.Last) - Int (Main_Unit) + 1;
1000 procedure Remove_Unit (U : Unit_Number_Type) is
1002 if U = Units.Last then
1003 Units.Decrement_Last;
1007 ----------------------------------
1008 -- Replace_Linker_Option_String --
1009 ----------------------------------
1011 procedure Replace_Linker_Option_String
1012 (S : String_Id; Match_String : String)
1015 if Match_String'Length > 0 then
1016 for J in 1 .. Linker_Option_Lines.Last loop
1017 String_To_Name_Buffer (Linker_Option_Lines.Table (J).Option);
1019 if Match_String = Name_Buffer (1 .. Match_String'Length) then
1020 Linker_Option_Lines.Table (J).Option := S;
1026 Store_Linker_Option_String (S);
1027 end Replace_Linker_Option_String;
1033 procedure Sort (Tbl : in out Unit_Ref_Table) is separate;
1035 ------------------------------
1036 -- Store_Compilation_Switch --
1037 ------------------------------
1039 procedure Store_Compilation_Switch (Switch : String) is
1041 if Switch_Storing_Enabled then
1042 Compilation_Switches.Increment_Last;
1043 Compilation_Switches.Table (Compilation_Switches.Last) :=
1044 new String'(Switch);
1046 -- Fix up --RTS flag which has been transformed by the gcc driver
1049 if Switch'Last >= Switch'First + 4
1050 and then Switch (Switch'First .. Switch'First + 4) = "-fRTS"
1052 Compilation_Switches.Table
1053 (Compilation_Switches.Last) (Switch'First + 1) := '-';
1056 end Store_Compilation_Switch;
1058 --------------------------------
1059 -- Store_Linker_Option_String --
1060 --------------------------------
1062 procedure Store_Linker_Option_String (S : String_Id) is
1064 Linker_Option_Lines.Append ((Option => S, Unit => Current_Sem_Unit));
1065 end Store_Linker_Option_String;
1071 procedure Store_Note (N : Node_Id) is
1073 Notes.Append ((Pragma_Node => N, Unit => Current_Sem_Unit));
1076 -------------------------------
1077 -- Synchronize_Serial_Number --
1078 -------------------------------
1080 procedure Synchronize_Serial_Number is
1081 TSN : Int renames Units.Table (Current_Sem_Unit).Serial_Number;
1084 end Synchronize_Serial_Number;
1090 procedure Tree_Read is
1097 -- Read Compilation_Switches table. First release the memory occupied
1098 -- by the previously loaded switches.
1100 for J in Compilation_Switches.First .. Compilation_Switches.Last loop
1101 Free (Compilation_Switches.Table (J));
1105 Compilation_Switches.Set_Last (N);
1107 for J in 1 .. N loop
1109 Compilation_Switches.Table (J) := S;
1117 procedure Tree_Write is
1121 -- Write Compilation_Switches table
1123 Tree_Write_Int (Compilation_Switches.Last);
1125 for J in 1 .. Compilation_Switches.Last loop
1126 Tree_Write_Str (Compilation_Switches.Table (J));
1136 Linker_Option_Lines.Locked := False;
1137 Load_Stack.Locked := False;
1138 Units.Locked := False;
1145 function Version_Get (U : Unit_Number_Type) return Word_Hex_String is
1147 return Get_Hex_String (Units.Table (U).Version);
1150 ------------------------
1151 -- Version_Referenced --
1152 ------------------------
1154 procedure Version_Referenced (S : String_Id) is
1156 Version_Ref.Append (S);
1157 end Version_Referenced;