summaryrefslogtreecommitdiff
path: root/gcc/ada/exp_ch9.adb
diff options
context:
space:
mode:
authorbosch <bosch@138bc75d-0d04-0410-961f-82ee72b054a4>2002-03-08 20:11:04 +0000
committerbosch <bosch@138bc75d-0d04-0410-961f-82ee72b054a4>2002-03-08 20:11:04 +0000
commitf15731c43ae5e8cea424ea40f905c19afa1bd2e4 (patch)
treeb584a79288c93215b05fb451943291ccd039388b /gcc/ada/exp_ch9.adb
parent1d347c236ad815c77bd345611ed221b0bd6091de (diff)
downloadgcc-f15731c43ae5e8cea424ea40f905c19afa1bd2e4.tar.gz
* 41intnam.ads, 42intnam.ads, 4aintnam.ads, 4cintnam.ads,
4dintnam.ads, 4gintnam.ads, 4hintnam.ads, 4lintnam.ads, 4mintnam.ads, 4pintnam.ads, 4rintnam.ads, 4sintnam.ads, 4uintnam.ads, 4vcalend.adb, 4zintnam.ads, 52system.ads, 5amastop.adb, 5asystem.ads, 5ataprop.adb, 5atpopsp.adb, 5avxwork.ads, 5bosinte.adb, 5bsystem.ads, 5esystem.ads, 5fsystem.ads, 5ftaprop.adb, 5ginterr.adb, 5gmastop.adb, 5gsystem.ads, 5gtaprop.adb, 5gtasinf.adb, 5gtasinf.ads, 5hparame.ads, 5hsystem.ads, 5htaprop.adb, 5htraceb.adb, 5itaprop.adb, 5ksystem.ads, 5kvxwork.ads, 5lintman.adb, 5lsystem.ads, 5mvxwork.ads, 5ninmaop.adb, 5nosinte.ads, 5ntaprop.adb, 5ointerr.adb, 5omastop.adb, 5oosinte.adb, 5osystem.ads, 5otaprop.adb, 5otaspri.ads, 5pvxwork.ads, 5qtaprop.adb, 5sintman.adb, 5ssystem.ads, 5staprop.adb, 5stpopse.adb, 5svxwork.ads, 5tosinte.ads, 5uintman.adb, 5vasthan.adb, 5vinmaop.adb, 5vinterr.adb, 5vintman.adb, 5vmastop.adb, 5vparame.ads, 5vsystem.ads, 5vtaprop.adb, 5vtpopde.adb, 5wmemory.adb, 5wsystem.ads, 5wtaprop.adb, 5ysystem.ads, 5zinterr.adb, 5zintman.adb, 5zosinte.adb, 5zosinte.ads, 5zsystem.ads, 5ztaprop.adb, 6vcpp.adb, 6vcstrea.adb, 7sintman.adb, 7staprop.adb, 7stpopsp.adb, 9drpc.adb, Make-lang.in, Makefile.in, a-caldel.adb, a-comlin.ads, a-dynpri.adb, a-except.adb, a-except.ads, a-finali.adb, a-ncelfu.ads, a-reatim.adb, a-retide.adb, a-stream.ads, a-ststio.adb, a-ststio.ads, a-stwifi.adb, a-tags.adb, a-tasatt.adb, a-textio.adb, a-tideau.adb, a-tiflau.adb, a-tigeau.adb, a-tigeau.ads, a-tiinau.adb, a-timoau.adb, a-witeio.adb, a-wtdeau.adb, a-wtenau.adb, a-wtflau.adb, a-wtgeau.adb, a-wtgeau.ads, a-wtinau.adb, a-wtmoau.adb, ada-tree.def, ada-tree.h, adaint.c, adaint.h, ali-util.adb, ali.adb, ali.ads, atree.adb, atree.ads, atree.h, back_end.adb, bcheck.adb, bindgen.adb, bindusg.adb, checks.adb, comperr.adb, config-lang.in, csets.adb, csets.ads, cstand.adb, cstreams.c, debug.adb, debug.ads, decl.c, einfo.adb, einfo.ads, einfo.h, elists.h, errout.adb, errout.ads, eval_fat.adb, exp_aggr.adb, exp_attr.adb, exp_ch11.adb, exp_ch12.adb, exp_ch13.adb, exp_ch2.adb, exp_ch3.adb, exp_ch3.ads, exp_ch4.adb, exp_ch5.adb, exp_ch6.adb, exp_ch7.adb, exp_ch7.ads, exp_ch9.adb, exp_ch9.ads, exp_dbug.adb, exp_dbug.ads, exp_disp.ads, exp_dist.adb, exp_fixd.adb, exp_intr.adb, exp_pakd.adb, exp_prag.adb, exp_strm.adb, exp_util.adb, exp_util.ads, expander.adb, expect.c, fe.h, fmap.adb, fmap.ads, fname-uf.adb, freeze.adb, frontend.adb, g-awk.adb, g-cgideb.adb, g-comlin.adb, g-comlin.ads, g-debpoo.adb, g-dirope.adb, g-dirope.ads, g-dyntab.adb, g-expect.adb, g-expect.ads, g-io.ads, g-io_aux.adb, g-io_aux.ads, g-locfil.adb, g-locfil.ads, g-os_lib.adb, g-os_lib.ads, g-regexp.adb, g-regpat.adb, g-socket.adb, g-socket.ads, g-spipat.adb, g-table.adb, g-trasym.adb, g-trasym.ads, gigi.h, gmem.c, gnat1drv.adb, gnatbind.adb, gnatbl.c, gnatchop.adb, gnatcmd.adb, gnatdll.adb, gnatfind.adb, gnatlbr.adb, gnatlink.adb, gnatls.adb, gnatmem.adb, gnatprep.adb, gnatvsn.ads, gnatxref.adb, hlo.adb, hostparm.ads, i-cobol.adb, i-cpp.adb, i-cstrea.ads, i-cstrin.adb, i-pacdec.adb, i-vxwork.ads, impunit.adb, init.c, inline.adb, io-aux.c, layout.adb, lib-load.adb, lib-util.adb, lib-writ.adb, lib-writ.ads, lib-xref.adb, lib-xref.ads, lib.adb, lib.ads, make.adb, makeusg.adb, mdll.adb, memroot.adb, misc.c, mlib-tgt.adb, mlib-utl.adb, mlib-utl.ads, mlib.adb, namet.adb, namet.ads, namet.h, nlists.h, nmake.adb, nmake.ads, nmake.adt, opt.adb, opt.ads, osint.adb, osint.ads, output.adb, output.ads, par-ch2.adb, par-ch3.adb, par-ch5.adb, par-prag.adb, par-tchk.adb, par-util.adb, par.adb, prj-attr.adb, prj-dect.adb, prj-env.adb, prj-env.ads, prj-nmsc.adb, prj-part.adb, prj-proc.adb, prj-strt.adb, prj-tree.adb, prj-tree.ads, prj.adb, prj.ads, raise.c, raise.h, repinfo.adb, restrict.adb, restrict.ads, rident.ads, rtsfind.adb, rtsfind.ads, s-arit64.adb, s-asthan.adb, s-atacco.adb, s-atacco.ads, s-auxdec.adb, s-crc32.adb, s-crc32.ads, s-direio.adb, s-fatgen.adb, s-fileio.adb, s-finimp.adb, s-gloloc.adb, s-gloloc.ads, s-interr.adb, s-mastop.adb, s-mastop.ads, s-memory.adb, s-parame.ads, s-parint.adb, s-pooglo.adb, s-pooloc.adb, s-rpc.adb, s-secsta.adb, s-sequio.adb, s-shasto.adb, s-soflin.adb, s-soflin.ads, s-stache.adb, s-taasde.adb, s-taasde.ads, s-tadeca.adb, s-tadeca.ads, s-tadert.adb, s-tadert.ads, s-taenca.adb, s-taenca.ads, s-taprob.adb, s-taprop.ads, s-tarest.adb, s-tasdeb.adb, s-tasini.adb, s-tasini.ads, s-taskin.adb, s-taskin.ads, s-tasque.adb, s-tasque.ads, s-tasren.adb, s-tasren.ads, s-tassta.adb, s-tasuti.adb, s-tasuti.ads, s-tataat.adb, s-tataat.ads, s-tpoben.adb, s-tpoben.ads, s-tpobop.adb, s-tposen.adb, s-tposen.ads, s-traceb.adb, s-traceb.ads, s-unstyp.ads, s-widenu.adb, scn-nlit.adb, scn.adb, sem.adb, sem_aggr.adb, sem_attr.adb, sem_attr.ads, sem_case.adb, sem_ch10.adb, sem_ch11.adb, sem_ch11.ads, sem_ch12.adb, sem_ch13.adb, sem_ch13.ads, sem_ch2.adb, sem_ch3.adb, sem_ch3.ads, sem_ch4.adb, sem_ch5.adb, sem_ch6.adb, sem_ch6.ads, sem_ch7.adb, sem_ch8.adb, sem_ch8.ads, sem_ch9.adb, sem_disp.adb, sem_dist.adb, sem_elab.adb, sem_elim.adb, sem_elim.ads, sem_eval.adb, sem_intr.adb, sem_mech.adb, sem_prag.adb, sem_res.adb, sem_type.adb, sem_util.adb, sem_util.ads, sem_vfpt.adb, sem_warn.adb, sinfo.adb, sinfo.ads, sinfo.h, sinput-l.adb, sinput-l.ads, sinput.adb, sinput.ads, snames.adb, snames.ads, snames.h, sprint.adb, sprint.ads, stringt.adb, stringt.ads, stringt.h, style.adb, switch.adb, switch.ads, sysdep.c, system.ads, table.adb, targparm.adb, targparm.ads, targtyps.c, tbuild.adb, tbuild.ads, tracebak.c, trans.c, tree_gen.adb, tree_io.adb, treepr.adb, treepr.ads, treeprs.ads, treeprs.adt, ttypes.ads, types.adb, types.ads, types.h, uintp.ads, urealp.ads, usage.adb, utils.c, utils2.c, validsw.adb, xnmake.adb, xr_tabls.adb, xr_tabls.ads, xref_lib.adb, xref_lib.ads : Merge in ACT changes. * 1ssecsta.adb, 1ssecsta.ads, a-chlat9.ads, a-cwila9.ads, g-enblsp.adb, g-md5.adb, g-md5.ads, gnatname.adb, gnatname.ads, mkdir.c, osint-b.adb, osint-b.ads, osint-c.adb, osint-c.ads, osint-l.adb, osint-l.ads, osint-m.adb, osint-m.ads : New files * 3lsoccon.ads, 5qparame.ads, 5qvxwork.ads, 5smastop.adb, 5zparame.ads, gnatmain.adb, gnatmain.ads, gnatpsys.adb : Removed * mdllfile.adb, mdllfile.ads, mdlltool.adb, mdlltool.ads : Renamed to mdll-fil.ad[bs] and mdll-util.ad[bs] * mdll-fil.adb, mdll-fil.ads, mdll-utl.adb, mdll-utl.ads : Renamed from mdllfile.ad[bs] and mdlltool.ad[bs] git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@50451 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/ada/exp_ch9.adb')
-rw-r--r--gcc/ada/exp_ch9.adb104
1 files changed, 54 insertions, 50 deletions
diff --git a/gcc/ada/exp_ch9.adb b/gcc/ada/exp_ch9.adb
index 7acc5512447..905cb41acc8 100644
--- a/gcc/ada/exp_ch9.adb
+++ b/gcc/ada/exp_ch9.adb
@@ -6,9 +6,9 @@
-- --
-- B o d y --
-- --
--- $Revision: 1.2 $
+-- $Revision$
-- --
--- Copyright (C) 1992-2001, Free Software Foundation, Inc. --
+-- Copyright (C) 1992-2002, Free Software Foundation, Inc. --
-- --
-- GNAT is free software; you can redistribute it and/or modify it under --
-- terms of the GNU General Public License as published by the Free Soft- --
@@ -99,10 +99,6 @@ package body Exp_Ch9 is
-- of the System.Address pointer passed to entry barrier functions
-- and entry body procedures.
- function Array_Type (E : Entity_Id; Trec : Node_Id) return Entity_Id;
- -- Find the array type associated with an entry family in the
- -- associated record for the task type.
-
function Build_Accept_Body (Astat : Node_Id) return Node_Id;
-- Transform accept statement into a block with added exception handler.
-- Used both for simple accept statements and for accept alternatives in
@@ -592,31 +588,6 @@ package body Exp_Ch9 is
end Add_Private_Declarations;
- ----------------
- -- Array_Type --
- ----------------
-
- function Array_Type (E : Entity_Id; Trec : Node_Id) return Entity_Id is
- Arr : Entity_Id := First_Component (Trec);
-
- begin
- while Present (Arr) loop
- exit when Ekind (Arr) = E_Component
- and then Is_Array_Type (Etype (Arr))
- and then Chars (Arr) = Chars (E);
-
- Next_Component (Arr);
- end loop;
-
- -- This used to return Arr itself, but this caused problems
- -- when used in expanding a protected type, possibly because
- -- the record of which it is a component is not frozen yet.
- -- I am going to try the type instead. This may pose visibility
- -- problems. ???
-
- return Etype (Arr);
- end Array_Type;
-
-----------------------
-- Build_Accept_Body --
-----------------------
@@ -3283,7 +3254,7 @@ package body Exp_Ch9 is
Update_Prival_Subtypes (B_F);
Set_Privals (Spec_Decl, N, Loc);
- Set_Discriminals (Spec_Decl, N, Loc);
+ Set_Discriminals (Spec_Decl);
Set_Scope (Func, Scope (Prot));
else
Analyze (Cond);
@@ -4408,7 +4379,7 @@ package body Exp_Ch9 is
if Present (Next_Op) then
Set_Privals (Dec, Next_Op, Loc);
- Set_Discriminals (Dec, Next_Op, Loc);
+ Set_Discriminals (Dec);
end if;
end Expand_N_Entry_Body;
@@ -5793,7 +5764,8 @@ package body Exp_Ch9 is
Condition => Make_Op_Eq (Loc,
Left_Opnd => New_Reference_To (Xnam, Loc),
Right_Opnd =>
- New_Reference_To (RTE (RE_No_Rendezvous), Loc))));
+ New_Reference_To (RTE (RE_No_Rendezvous), Loc)),
+ Reason => PE_All_Guards_Closed));
return Stats;
end Accept_Or_Raise;
@@ -6756,6 +6728,17 @@ package body Exp_Ch9 is
New_N : Node_Id;
begin
+ -- Do not attempt expansion if in no run time mode
+
+ if No_Run_Time
+ and then not Restricted_Profile
+ then
+ Disallow_In_No_Run_Time_Mode (N);
+ return;
+ end if;
+
+ -- Here we start the expansion by generating discriminal declarations
+
Add_Discriminal_Declarations (Declarations (N), Ttyp, Name_uTask, Loc);
-- Add a call to Abort_Undefer at the very beginning of the task
@@ -6922,27 +6905,37 @@ package body Exp_Ch9 is
Tasktyp : constant Entity_Id := Etype (Defining_Identifier (N));
Tasknm : constant Name_Id := Chars (Tasktyp);
Taskdef : constant Node_Id := Task_Definition (N);
- Proc_Spec : Node_Id;
+ Proc_Spec : Node_Id;
Rec_Decl : Node_Id;
Rec_Ent : Entity_Id;
Cdecls : List_Id;
-
Elab_Decl : Node_Id;
Size_Decl : Node_Id;
Body_Decl : Node_Id;
begin
- if Present (Corresponding_Record_Type (Tasktyp)) then
+ -- Do not attempt expansion if in no run time mode
+
+ if No_Run_Time
+ and then not Restricted_Profile
+ then
+ Disallow_In_No_Run_Time_Mode (N);
return;
- else
- Rec_Decl := Build_Corresponding_Record (N, Tasktyp, Loc);
- Rec_Ent := Defining_Identifier (Rec_Decl);
- Cdecls := Component_Items
- (Component_List (Type_Definition (Rec_Decl)));
+ -- If already expanded, nothing to do
+
+ elsif Present (Corresponding_Record_Type (Tasktyp)) then
+ return;
end if;
+ -- Here we will do the expansion
+
+ Rec_Decl := Build_Corresponding_Record (N, Tasktyp, Loc);
+ Rec_Ent := Defining_Identifier (Rec_Decl);
+ Cdecls := Component_Items (Component_List
+ (Type_Definition (Rec_Decl)));
+
Qualify_Entity_Names (N);
-- First create the elaboration variable
@@ -6994,7 +6987,7 @@ package body Exp_Ch9 is
-- This is done last, since the corresponding record initialization
-- procedure will reference the previously created entities.
- -- Fill in the component declarations. First the _Task_Id field:
+ -- Fill in the component declarations. First the _Task_Id field.
Append_To (Cdecls,
Make_Component_Declaration (Loc,
@@ -7116,7 +7109,7 @@ package body Exp_Ch9 is
-- Complete the expansion of access types to the current task
-- type, if any were declared.
- Expand_Previous_Access_Type (N, Tasktyp);
+ Expand_Previous_Access_Type (Tasktyp);
end Expand_N_Task_Type_Declaration;
-------------------------------
@@ -7462,7 +7455,7 @@ package body Exp_Ch9 is
Op := First_Protected_Operation (Declarations (N));
if Present (Op) then
- Set_Discriminals (Parent (Spec_Id), Op, Sloc (N));
+ Set_Discriminals (Parent (Spec_Id));
Set_Privals (Parent (Spec_Id), Op, Sloc (N));
end if;
end if;
@@ -8268,11 +8261,7 @@ package body Exp_Ch9 is
-- Set_Discriminals --
----------------------
- procedure Set_Discriminals
- (Dec : Node_Id;
- Op : Node_Id;
- Loc : Source_Ptr)
- is
+ procedure Set_Discriminals (Dec : Node_Id) is
D : Entity_Id;
Pdef : Entity_Id;
D_Minal : Entity_Id;
@@ -8497,6 +8486,21 @@ package body Exp_Ch9 is
Update_Array_Bounds (Etype (Defining_Identifier (N)));
return OK;
+ -- For array components of discriminated records, use the
+ -- base type directly, because it may depend indirectly
+ -- on the discriminants of the protected type. Cleaner would
+ -- be a systematic mechanism to compute actual subtypes of
+ -- private components ???
+
+ elsif Nkind (N) in N_Has_Etype
+ and then Present (Etype (N))
+ and then Is_Array_Type (Etype (N))
+ and then Nkind (N) = N_Selected_Component
+ and then Has_Discriminants (Etype (Prefix (N)))
+ then
+ Set_Etype (N, Base_Type (Etype (N)));
+ return OK;
+
else
if Nkind (N) in N_Has_Etype
and then Present (Etype (N))