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author | bosch <bosch@138bc75d-0d04-0410-961f-82ee72b054a4> | 2002-03-08 20:11:04 +0000 |
---|---|---|
committer | bosch <bosch@138bc75d-0d04-0410-961f-82ee72b054a4> | 2002-03-08 20:11:04 +0000 |
commit | f15731c43ae5e8cea424ea40f905c19afa1bd2e4 (patch) | |
tree | b584a79288c93215b05fb451943291ccd039388b /gcc/ada/exp_ch9.adb | |
parent | 1d347c236ad815c77bd345611ed221b0bd6091de (diff) | |
download | gcc-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.adb | 104 |
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)) |