diff options
author | charlet <charlet@138bc75d-0d04-0410-961f-82ee72b054a4> | 2003-10-21 13:42:24 +0000 |
---|---|---|
committer | charlet <charlet@138bc75d-0d04-0410-961f-82ee72b054a4> | 2003-10-21 13:42:24 +0000 |
commit | 9dfe12ae5b94d03c997ea2903022a5d2d5c5f266 (patch) | |
tree | bdfc70477b60f1220cb05dd233a4570dd9c6bb5c /gcc/ada/sem_ch9.adb | |
parent | 1c662558a1113238a624245a45382d3df90ccf13 (diff) | |
download | gcc-9dfe12ae5b94d03c997ea2903022a5d2d5c5f266.tar.gz |
2003-10-21 Arnaud Charlet <charlet@act-europe.fr>
* 3psoccon.ads, 3veacodu.adb, 3vexpect.adb, 3vsoccon.ads,
3vsocthi.adb, 3vsocthi.ads, 3vtrasym.adb, 3zsoccon.ads,
3zsocthi.adb, 3zsocthi.ads, 50system.ads, 51system.ads,
55system.ads, 56osinte.adb, 56osinte.ads, 56taprop.adb,
56taspri.ads, 56tpopsp.adb, 57system.ads, 58system.ads,
59system.ads, 5aml-tgt.adb, 5bml-tgt.adb, 5csystem.ads,
5dsystem.ads, 5fosinte.adb, 5gml-tgt.adb, 5hml-tgt.adb,
5isystem.ads, 5lparame.adb, 5msystem.ads, 5psystem.ads,
5sml-tgt.adb, 5sosprim.adb, 5stpopsp.adb, 5tsystem.ads,
5usystem.ads, 5vml-tgt.adb, 5vsymbol.adb, 5vtraent.adb,
5vtraent.ads, 5wml-tgt.adb, 5xparame.ads, 5xsystem.ads,
5xvxwork.ads, 5yparame.ads, 5ytiitho.adb, 5zinit.adb,
5zml-tgt.adb, 5zparame.ads, 5ztaspri.ads, 5ztfsetr.adb,
5zthrini.adb, 5ztiitho.adb, 5ztpopsp.adb, 7stfsetr.adb,
7straces.adb, 7strafor.adb, 7strafor.ads, 7stratas.adb,
a-excach.adb, a-exexda.adb, a-exexpr.adb, a-exextr.adb,
a-exstat.adb, a-strsup.adb, a-strsup.ads, a-stwisu.adb,
a-stwisu.ads, bld.adb, bld.ads, bld-io.adb,
bld-io.ads, clean.adb, clean.ads, ctrl_c.c,
erroutc.adb, erroutc.ads, errutil.adb, errutil.ads,
err_vars.ads, final.c, g-arrspl.adb, g-arrspl.ads,
g-boubuf.adb, g-boubuf.ads, g-boumai.ads, g-bubsor.adb,
g-bubsor.ads, g-comver.adb, g-comver.ads, g-ctrl_c.ads,
g-dynhta.adb, g-dynhta.ads, g-eacodu.adb, g-excact.adb,
g-excact.ads, g-heasor.adb, g-heasor.ads, g-memdum.adb,
g-memdum.ads, gnatclean.adb, gnatsym.adb, g-pehage.adb,
g-pehage.ads, g-perhas.ads, gpr2make.adb, gpr2make.ads,
gprcmd.adb, gprep.adb, gprep.ads, g-semaph.adb,
g-semaph.ads, g-string.adb, g-string.ads, g-strspl.ads,
g-wistsp.ads, i-vthrea.adb, i-vthrea.ads, i-vxwoio.adb,
i-vxwoio.ads, Makefile.generic, Makefile.prolog, Makefile.rtl,
prep.adb, prep.ads, prepcomp.adb, prepcomp.ads,
prj-err.adb, prj-err.ads, s-boarop.ads, s-carsi8.adb,
s-carsi8.ads, s-carun8.adb, s-carun8.ads, s-casi16.adb,
s-casi16.ads, s-casi32.adb, s-casi32.ads, s-casi64.adb,
s-casi64.ads, s-casuti.adb, s-casuti.ads, s-caun16.adb,
s-caun16.ads, s-caun32.adb, s-caun32.ads, s-caun64.adb,
s-caun64.ads, scng.adb, scng.ads, s-exnint.adb,
s-exnllf.adb, s-exnlli.adb, s-expint.adb, s-explli.adb,
s-geveop.adb, s-geveop.ads, s-hibaen.ads, s-htable.adb,
s-htable.ads, sinput-c.adb, sinput-c.ads, s-memcop.ads,
socket.c, s-purexc.ads, s-scaval.adb, s-stopoo.adb,
s-strcom.adb, s-strcom.ads, s-strxdr.adb, s-rident.ads,
s-thread.adb, s-thread.ads, s-tpae65.adb, s-tpae65.ads,
s-tporft.adb, s-traent.adb, s-traent.ads, styleg.adb,
styleg.ads, styleg-c.adb, styleg-c.ads, s-veboop.adb,
s-veboop.ads, s-vector.ads, symbols.adb, symbols.ads,
tb-alvms.c, tb-alvxw.c, tempdir.adb, tempdir.ads,
vms_conv.ads, vms_conv.adb, vms_data.ads,
vxaddr2line.adb: Files added. Merge with ACT tree.
* 4dintnam.ads, 4mintnam.ads, 4uintnam.ads, 52system.ads,
5dosinte.ads, 5etpopse.adb, 5mosinte.ads, 5qosinte.adb,
5qosinte.ads, 5qstache.adb, 5qtaprop.adb, 5qtaspri.ads,
5stpopse.adb, 5uintman.adb, 5uosinte.ads, adafinal.c,
g-enblsp.adb, io-aux.c, scn-nlit.adb, scn-slit.adb,
s-exnflt.ads, s-exngen.adb, s-exngen.ads, s-exnlfl.ads,
s-exnlin.ads, s-exnsfl.ads, s-exnsin.ads, s-exnssi.ads,
s-expflt.ads, s-expgen.adb, s-expgen.ads, s-explfl.ads,
s-explin.ads, s-expllf.ads, s-expsfl.ads, s-expsin.ads,
s-expssi.ads, style.adb: Files removed. Merge with ACT tree.
* 1ic.ads, 31soccon.ads, 31soliop.ads, 3asoccon.ads,
3bsoccon.ads, 3gsoccon.ads, 3hsoccon.ads, 3ssoccon.ads,
3ssoliop.ads, 3wsoccon.ads, 3wsocthi.adb, 3wsocthi.ads,
3wsoliop.ads, 41intnam.ads, 42intnam.ads, 4aintnam.ads,
4cintnam.ads, 4gintnam.ads, 4hexcpol.adb, 4hintnam.ads,
4lintnam.ads, 4nintnam.ads, 4ointnam.ads, 4onumaux.ads,
4pintnam.ads, 4sintnam.ads, 4vcaldel.adb, 4vcalend.adb,
4vintnam.ads, 4wexcpol.adb, 4wintnam.ads, 4zintnam.ads,
51osinte.adb, 51osinte.ads, 52osinte.adb, 52osinte.ads,
53osinte.ads, 54osinte.ads, 5aosinte.adb, 5aosinte.ads,
5asystem.ads, 5ataprop.adb, 5atasinf.ads, 5ataspri.ads,
5atpopsp.adb, 5avxwork.ads, 5bosinte.adb, 5bosinte.ads,
5bsystem.ads, 5cosinte.ads, 5esystem.ads, 5fintman.adb,
5fosinte.ads, 5fsystem.ads, 5ftaprop.adb, 5ftasinf.ads,
5ginterr.adb, 5gintman.adb, 5gmastop.adb, 5gosinte.ads,
5gproinf.ads, 5gsystem.ads, 5gtaprop.adb, 5gtasinf.ads,
5gtpgetc.adb, 5hosinte.adb, 5hosinte.ads, 5hsystem.ads,
5htaprop.adb, 5htaspri.ads, 5htraceb.adb, 5iosinte.adb,
5itaprop.adb, 5itaspri.ads, 5ksystem.ads, 5kvxwork.ads,
5lintman.adb, 5lml-tgt.adb, 5losinte.ads, 5lsystem.ads,
5mvxwork.ads, 5ninmaop.adb, 5nintman.adb, 5nosinte.ads,
5ntaprop.adb, 5ntaspri.ads, 5ointerr.adb, 5omastop.adb,
5oosinte.adb, 5oosinte.ads, 5oosprim.adb, 5oparame.adb,
5osystem.ads, 5otaprop.adb, 5otaspri.ads, 5posinte.ads,
5posprim.adb, 5pvxwork.ads, 5sintman.adb, 5sosinte.adb,
5sosinte.ads, 5ssystem.ads, 5staprop.adb, 5stasinf.ads,
5staspri.ads, 5svxwork.ads, 5tosinte.ads, 5vasthan.adb,
5vinmaop.adb, 5vinterr.adb, 5vintman.adb, 5vintman.ads,
5vmastop.adb, 5vosinte.adb, 5vosinte.ads, 5vosprim.adb,
5vsystem.ads, 5vtaprop.adb, 5vtaspri.ads, 5vtpopde.adb,
5vtpopde.ads, 5wgloloc.adb, 5wintman.adb, 5wmemory.adb,
5wosprim.adb, 5wsystem.ads, 5wtaprop.adb, 5wtaspri.ads,
5ysystem.ads, 5zinterr.adb, 5zintman.adb, 5zosinte.adb,
5zosinte.ads, 5zosprim.adb, 5zsystem.ads, 5ztaprop.adb,
6vcpp.adb, 6vcstrea.adb, 6vinterf.ads, 7sinmaop.adb,
7sintman.adb, 7sosinte.adb, 7sosprim.adb, 7staprop.adb,
7staspri.ads, 7stpopsp.adb, 7straceb.adb, 9drpc.adb,
a-caldel.adb, a-caldel.ads, a-charac.ads, a-colien.ads,
a-comlin.adb, adaint.c, adaint.h, ada-tree.def,
a-diocst.adb, a-diocst.ads, a-direio.adb, a-except.adb,
a-except.ads, a-excpol.adb, a-exctra.adb, a-exctra.ads,
a-filico.adb, a-interr.adb, a-intsig.adb, a-intsig.ads,
ali.adb, ali.ads, ali-util.adb, ali-util.ads,
a-ngcefu.adb, a-ngcoty.adb, a-ngelfu.adb, a-nudira.adb,
a-nudira.ads, a-nuflra.adb, a-nuflra.ads, a-reatim.adb,
a-reatim.ads, a-retide.ads, a-sequio.adb, a-siocst.adb,
a-siocst.ads, a-ssicst.adb, a-ssicst.ads, a-strbou.adb,
a-strbou.ads, a-strfix.adb, a-strmap.adb, a-strsea.ads,
a-strunb.adb, a-strunb.ads, a-ststio.adb, a-stunau.adb,
a-stunau.ads, a-stwibo.adb, a-stwibo.ads, a-stwifi.adb,
a-stwima.adb, a-stwiun.adb, a-stwiun.ads, a-tags.adb,
a-tags.ads, a-tasatt.adb, a-taside.adb, a-teioed.adb,
a-textio.adb, a-textio.ads, a-tienau.adb, a-tifiio.adb,
a-tiflau.adb, a-tiflio.adb, a-tigeau.adb, a-tigeau.ads,
a-tiinau.adb, a-timoau.adb, a-tiocst.adb, a-tiocst.ads,
atree.adb, atree.ads, a-witeio.adb, a-witeio.ads,
a-wtcstr.adb, a-wtcstr.ads, a-wtdeio.adb, a-wtedit.adb,
a-wtenau.adb, a-wtflau.adb, a-wtinau.adb, a-wtmoau.adb,
bcheck.adb, binde.adb, bindgen.adb, bindusg.adb,
checks.adb, checks.ads, cio.c, comperr.adb,
comperr.ads, csets.adb, cstand.adb, cstreams.c,
debug_a.adb, debug_a.ads, debug.adb, decl.c,
einfo.adb, einfo.ads, errout.adb, errout.ads,
eval_fat.adb, eval_fat.ads, exp_aggr.adb, expander.adb,
expander.ads, exp_attr.adb, exp_ch11.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_ch8.adb, exp_ch9.adb, exp_code.adb, exp_dbug.adb,
exp_dbug.ads, exp_disp.adb, exp_dist.adb, expect.c,
exp_fixd.adb, exp_imgv.adb, exp_intr.adb, exp_pakd.adb,
exp_prag.adb, exp_strm.adb, exp_strm.ads, exp_tss.adb,
exp_tss.ads, exp_util.adb, exp_util.ads, exp_vfpt.adb,
fe.h, fmap.adb, fmap.ads, fname.adb,
fname.ads, fname-uf.adb, fname-uf.ads, freeze.adb,
freeze.ads, frontend.adb, g-awk.adb, g-awk.ads,
g-busora.adb, g-busora.ads, g-busorg.adb, g-busorg.ads,
g-casuti.adb, g-casuti.ads, g-catiio.adb, g-catiio.ads,
g-cgi.adb, g-cgi.ads, g-cgicoo.adb, g-cgicoo.ads,
g-cgideb.adb, g-cgideb.ads, g-comlin.adb, g-comlin.ads,
g-crc32.adb, g-crc32.ads, g-debpoo.adb, g-debpoo.ads,
g-debuti.adb, g-debuti.ads, g-diopit.adb, g-diopit.ads,
g-dirope.adb, g-dirope.ads, g-dyntab.adb, g-dyntab.ads,
g-except.ads, g-exctra.adb, g-exctra.ads, g-expect.adb,
g-expect.ads, g-hesora.adb, g-hesora.ads, g-hesorg.adb,
g-hesorg.ads, g-htable.adb, g-htable.ads, gigi.h,
g-io.adb, g-io.ads, g-io_aux.adb, g-io_aux.ads,
g-locfil.adb, g-locfil.ads, g-md5.adb, g-md5.ads,
gmem.c, gnat1drv.adb, gnatbind.adb, gnatchop.adb,
gnatcmd.adb, gnatfind.adb, gnatkr.adb, gnatlbr.adb,
gnatlink.adb, gnatls.adb, gnatmake.adb, gnatmem.adb,
gnatname.adb, gnatprep.adb, gnatprep.ads, gnatpsta.adb,
gnatxref.adb, g-os_lib.adb, g-os_lib.ads, g-regexp.adb,
g-regexp.ads, g-regist.adb, g-regist.ads, g-regpat.adb,
g-regpat.ads, g-soccon.ads, g-socket.adb, g-socket.ads,
g-socthi.adb, g-socthi.ads, g-soliop.ads, g-souinf.ads,
g-speche.adb, g-speche.ads, g-spipat.adb, g-spipat.ads,
g-spitbo.adb, g-spitbo.ads, g-sptabo.ads, g-sptain.ads,
g-sptavs.ads, g-table.adb, g-table.ads, g-tasloc.adb,
g-tasloc.ads, g-thread.adb, g-thread.ads, g-traceb.adb,
g-traceb.ads, g-trasym.adb, g-trasym.ads, hostparm.ads,
i-c.ads, i-cobol.adb, i-cpp.adb, i-cstrea.ads,
i-cstrin.adb, i-cstrin.ads, impunit.adb, init.c,
inline.adb, interfac.ads, i-pacdec.ads, itypes.adb,
itypes.ads, i-vxwork.ads, lang.opt, lang-specs.h,
layout.adb, lib.adb, lib.ads, lib-list.adb,
lib-load.adb, lib-load.ads, lib-sort.adb, lib-util.adb,
lib-writ.adb, lib-writ.ads, lib-xref.adb, lib-xref.ads,
link.c, live.adb, make.adb, make.ads,
Makefile.adalib, Makefile.in, Make-lang.in, makeusg.adb,
mdll.adb, mdll-fil.adb, mdll-fil.ads, mdll-utl.adb,
mdll-utl.ads, memroot.adb, memroot.ads, memtrack.adb,
misc.c, mkdir.c, mlib.adb, mlib.ads,
mlib-fil.adb, mlib-fil.ads, mlib-prj.adb, mlib-prj.ads,
mlib-tgt.adb, mlib-tgt.ads, mlib-utl.adb, mlib-utl.ads,
namet.adb, namet.ads, namet.h, nlists.ads,
nlists.h, nmake.adt, opt.adb, opt.ads,
osint.adb, osint.ads, osint-b.adb, osint-c.adb,
par.adb, par-ch10.adb, par-ch11.adb, par-ch2.adb,
par-ch3.adb, par-ch4.adb, par-ch5.adb, par-ch6.adb,
par-ch9.adb, par-endh.adb, par-labl.adb, par-load.adb,
par-prag.adb, par-sync.adb, par-tchk.adb, par-util.adb,
prj.adb, prj.ads, prj-attr.adb, prj-attr.ads,
prj-com.adb, prj-com.ads, prj-dect.adb, prj-dect.ads,
prj-env.adb, prj-env.ads, prj-ext.adb, prj-ext.ads,
prj-makr.adb, prj-makr.ads, prj-nmsc.adb, prj-nmsc.ads,
prj-pars.adb, prj-pars.ads, prj-part.adb, prj-part.ads,
prj-pp.adb, prj-pp.ads, prj-proc.adb, prj-proc.ads,
prj-strt.adb, prj-strt.ads, prj-tree.adb, prj-tree.ads,
prj-util.adb, prj-util.ads, raise.c, raise.h,
repinfo.adb, repinfo.h, restrict.adb, restrict.ads,
rident.ads, rtsfind.adb, rtsfind.ads, s-addima.ads,
s-arit64.adb, s-assert.adb, s-assert.ads, s-atacco.adb,
s-atacco.ads, s-auxdec.adb, s-auxdec.ads, s-bitops.adb,
scans.ads, scn.adb, scn.ads, s-crc32.adb,
s-crc32.ads, s-direio.adb, sem.adb, sem.ads,
sem_aggr.adb, sem_attr.adb, sem_attr.ads, sem_case.adb,
sem_case.ads, sem_cat.adb, sem_cat.ads, sem_ch10.adb,
sem_ch11.adb, sem_ch12.adb, sem_ch12.ads, sem_ch13.adb,
sem_ch13.ads, sem_ch3.adb, sem_ch3.ads, sem_ch4.adb,
sem_ch5.adb, sem_ch5.ads, sem_ch6.adb, sem_ch6.ads,
sem_ch7.adb, sem_ch7.ads, sem_ch8.adb, sem_ch8.ads,
sem_ch9.adb, sem_disp.adb, sem_disp.ads, sem_dist.adb,
sem_elab.adb, sem_eval.adb, sem_eval.ads, sem_intr.adb,
sem_maps.adb, sem_mech.adb, sem_prag.adb, sem_prag.ads,
sem_res.adb, sem_res.ads, sem_type.adb, sem_type.ads,
sem_util.adb, sem_util.ads, sem_warn.adb, s-errrep.adb,
s-errrep.ads, s-exctab.adb, s-exctab.ads, s-exnint.ads,
s-exnllf.ads, s-exnlli.ads, s-expint.ads, s-explli.ads,
s-expuns.ads, s-fatflt.ads, s-fatgen.adb, s-fatgen.ads,
s-fatlfl.ads, s-fatllf.ads, s-fatsfl.ads, s-fileio.adb,
s-fileio.ads, s-finimp.adb, s-finimp.ads, s-finroo.adb,
s-finroo.ads, sfn_scan.adb, s-gloloc.adb, s-gloloc.ads,
s-imgdec.adb, s-imgenu.adb, s-imgrea.adb, s-imgwch.adb,
sinfo.adb, sinfo.ads, s-inmaop.ads, sinput.adb,
sinput.ads, sinput-d.adb, sinput-l.adb, sinput-l.ads,
sinput-p.adb, sinput-p.ads, s-interr.adb, s-interr.ads,
s-intman.ads, s-maccod.ads, s-mastop.adb, s-mastop.ads,
s-memory.adb, s-memory.ads, snames.adb, snames.ads,
snames.h, s-osprim.ads, s-parame.ads, s-parint.ads,
s-pooloc.adb, s-pooloc.ads, s-poosiz.adb, sprint.adb,
s-proinf.ads, s-scaval.ads, s-secsta.adb, s-secsta.ads,
s-sequio.adb, s-shasto.adb, s-shasto.ads, s-soflin.ads,
s-stache.adb, s-stache.ads, s-stalib.adb, s-stalib.ads,
s-stoele.ads, s-stopoo.ads, s-stratt.adb, s-stratt.ads,
s-strops.adb, s-strops.ads, 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-taprob.ads,
s-taprop.ads, s-tarest.adb, s-tarest.ads, s-tasdeb.adb,
s-tasdeb.ads, s-tasinf.adb, s-tasinf.ads, 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-tasres.ads,
s-tassta.adb, s-tassta.ads, s-tasuti.adb, s-tasuti.ads,
s-tataat.adb, s-tataat.ads, s-tpinop.adb, s-tpinop.ads,
s-tpoben.adb, s-tpoben.ads, s-tpobop.adb, s-tpobop.ads,
s-tposen.adb, s-tposen.ads, s-traceb.adb, s-traceb.ads,
stringt.adb, stringt.ads, stringt.h, style.ads,
stylesw.adb, stylesw.ads, s-unstyp.ads, s-vaflop.ads,
s-valrea.adb, s-valuti.adb, s-vercon.adb, s-vmexta.adb,
s-wchcnv.ads, s-wchcon.ads, s-widcha.adb, switch.adb,
switch.ads, switch-b.adb, switch-c.adb, switch-m.adb,
s-wwdcha.adb, s-wwdwch.adb, sysdep.c, system.ads,
table.adb, table.ads, targparm.adb, targparm.ads,
targtyps.c, tbuild.adb, tbuild.ads, tracebak.c,
trans.c, tree_io.adb, treepr.adb, treeprs.adt,
ttypes.ads, types.ads, types.h, uintp.adb,
uintp.ads, uintp.h, uname.adb, urealp.adb,
urealp.ads, urealp.h, usage.adb, utils2.c,
utils.c, validsw.adb, validsw.ads, widechar.adb,
xeinfo.adb, xnmake.adb, xref_lib.adb, xref_lib.ads,
xr_tabls.adb, xr_tabls.ads, xtreeprs.adb, xsnames.adb,
einfo.h, sinfo.h, treeprs.ads, nmake.ads, nmake.adb,
gnatvsn.ads: Merge with ACT tree.
* gnatvsn.adb: Rewritten in a simpler and more efficient way.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@72751 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/ada/sem_ch9.adb')
-rw-r--r-- | gcc/ada/sem_ch9.adb | 298 |
1 files changed, 244 insertions, 54 deletions
diff --git a/gcc/ada/sem_ch9.adb b/gcc/ada/sem_ch9.adb index 5c428aadda3..653774fdee1 100644 --- a/gcc/ada/sem_ch9.adb +++ b/gcc/ada/sem_ch9.adb @@ -6,7 +6,7 @@ -- -- -- B o d y -- -- -- --- Copyright (C) 1992-2002, Free Software Foundation, Inc. -- +-- Copyright (C) 1992-2003, 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- -- @@ -91,7 +91,7 @@ package body Sem_Ch9 is Error_Msg_N ("expect task name for ABORT", T_Name); return; else - Resolve (T_Name, Etype (T_Name)); + Resolve (T_Name); end if; Next (T_Name); @@ -113,12 +113,12 @@ package body Sem_Ch9 is Analyze_List (Pragmas_Before (N)); end if; - Analyze (Accept_Statement (N)); - if Present (Condition (N)) then Analyze_And_Resolve (Condition (N), Any_Boolean); end if; + Analyze (Accept_Statement (N)); + if Is_Non_Empty_List (Statements (N)) then Analyze_Statements (Statements (N)); end if; @@ -149,17 +149,21 @@ package body Sem_Ch9 is -- local variable that renames it in the task body. function Actual_Index_Type (E : Entity_Id) return Entity_Id is - Typ : Entity_Id := Entry_Index_Type (E); - Lo : Node_Id := Type_Low_Bound (Typ); - Hi : Node_Id := Type_High_Bound (Typ); + Typ : constant Entity_Id := Entry_Index_Type (E); + Lo : constant Node_Id := Type_Low_Bound (Typ); + Hi : constant Node_Id := Type_High_Bound (Typ); New_T : Entity_Id; function Actual_Discriminant_Ref (Bound : Node_Id) return Node_Id; -- If bound is discriminant reference, replace with corresponding -- local variable of the same name. + ----------------------------- + -- Actual_Discriminant_Ref -- + ----------------------------- + function Actual_Discriminant_Ref (Bound : Node_Id) return Node_Id is - Typ : Entity_Id := Etype (Bound); + Typ : constant Entity_Id := Etype (Bound); Ref : Node_Id; begin @@ -343,17 +347,6 @@ package body Sem_Ch9 is Error_Msg_N ("invalid entry index in accept for simple entry", N); end if; - -- If statements are present, they must be analyzed in the context - -- of the entry, so that references to formals are correctly resolved. - -- We also have to add the declarations that are required by the - -- expansion of the accept statement in this case if expansion active. - - -- In the case of a select alternative of a selective accept, - -- the expander references the address declaration even if there - -- is no statement list. - - Exp_Ch9.Expand_Accept_Declarations (N, Entry_Nam); - -- If label declarations present, analyze them. They are declared -- in the enclosing task, but their enclosing scope is the entry itself, -- so that goto's to the label are recognized as local to the accept. @@ -380,12 +373,31 @@ package body Sem_Ch9 is end; end if; - -- Set Not_Source_Assigned flag on all entry formals + -- If statements are present, they must be analyzed in the context + -- of the entry, so that references to formals are correctly resolved. + -- We also have to add the declarations that are required by the + -- expansion of the accept statement in this case if expansion active. - E := First_Entity (Entry_Nam); + -- In the case of a select alternative of a selective accept, + -- the expander references the address declaration even if there + -- is no statement list. + -- We also need to create the renaming declarations for the local + -- variables that will replace references to the formals within + -- the accept. + + Exp_Ch9.Expand_Accept_Declarations (N, Entry_Nam); + -- Set Never_Set_In_Source and clear Is_True_Constant/Current_Value + -- fields on all entry formals (this loop ignores all other entities). + + E := First_Entity (Entry_Nam); while Present (E) loop - Set_Not_Source_Assigned (E, True); + if Is_Formal (E) then + Set_Never_Set_In_Source (E, True); + Set_Is_True_Constant (E, False); + Set_Current_Value (E, Empty); + end if; + Next_Entity (E); end loop; @@ -396,6 +408,7 @@ package body Sem_Ch9 is Install_Declarations (Entry_Nam); Set_Actual_Subtypes (N, Current_Scope); + Analyze (Stats); Process_End_Label (Handled_Statement_Sequence (N), 't', Entry_Nam); End_Scope; @@ -418,9 +431,12 @@ package body Sem_Ch9 is Check_Restriction (Max_Asynchronous_Select_Nesting, N); Check_Restriction (No_Select_Statements, N); - Analyze (Triggering_Alternative (N)); + -- Analyze the statements. We analyze statements in the abortable part + -- first, because this is the section that is executed first, and that + -- way our remembering of saved values and checks is accurate. Analyze_Statements (Statements (Abortable_Part (N))); + Analyze (Triggering_Alternative (N)); end Analyze_Asynchronous_Select; ------------------------------------ @@ -557,7 +573,65 @@ package body Sem_Ch9 is then Entry_Name := E; Set_Convention (Id, Convention (E)); + Set_Corresponding_Body (Parent (Entry_Name), Id); Check_Fully_Conformant (Id, E, N); + + if Ekind (Id) = E_Entry_Family then + if not Fully_Conformant_Discrete_Subtypes ( + Discrete_Subtype_Definition (Parent (E)), + Discrete_Subtype_Definition + (Entry_Index_Specification (Formals))) + then + Error_Msg_N + ("index not fully conformant with previous declaration", + Discrete_Subtype_Definition + (Entry_Index_Specification (Formals))); + + else + -- The elaboration of the entry body does not recompute + -- the bounds of the index, which may have side effects. + -- Inherit the bounds from the entry declaration. This + -- is critical if the entry has a per-object constraint. + -- If a bound is given by a discriminant, it must be + -- reanalyzed in order to capture the discriminal of the + -- current entry, rather than that of the protected type. + + declare + Index_Spec : constant Node_Id := + Entry_Index_Specification (Formals); + + Def : constant Node_Id := + New_Copy_Tree + (Discrete_Subtype_Definition (Parent (E))); + + begin + if Nkind + (Original_Node + (Discrete_Subtype_Definition (Index_Spec))) = N_Range + then + Set_Etype (Def, Empty); + Set_Analyzed (Def, False); + Set_Discrete_Subtype_Definition (Index_Spec, Def); + Set_Analyzed (Low_Bound (Def), False); + Set_Analyzed (High_Bound (Def), False); + + if Denotes_Discriminant (Low_Bound (Def)) then + Set_Entity (Low_Bound (Def), Empty); + end if; + + if Denotes_Discriminant (High_Bound (Def)) then + Set_Entity (High_Bound (Def), Empty); + end if; + + Analyze (Def); + Make_Index (Def, Index_Spec); + Set_Etype + (Defining_Identifier (Index_Spec), Etype (Def)); + end if; + end; + end if; + end if; + exit; end if; @@ -603,7 +677,60 @@ package body Sem_Ch9 is Analyze (Stats); end if; + -- Check for unreferenced variables etc. Before the Check_References + -- call, we transfer Never_Set_In_Source and Referenced flags from + -- parameters in the spec to the corresponding entities in the body, + -- since we want the warnings on the body entities. Note that we do + -- not have to transfer Referenced_As_LHS, since that flag can only + -- be set for simple variables. + + -- At the same time, we set the flags on the spec entities to suppress + -- any warnings on the spec formals, since we also scan the spec. + + declare + E1 : Entity_Id; + E2 : Entity_Id; + + begin + E1 := First_Entity (Entry_Name); + while Present (E1) loop + E2 := First_Entity (Id); + while Present (E2) loop + exit when Chars (E1) = Chars (E2); + Next_Entity (E2); + end loop; + + -- If no matching body entity, then we already had + -- a detected error of some kind, so just forget + -- about worrying about these warnings. + + if No (E2) then + goto Continue; + end if; + + if Ekind (E1) = E_Out_Parameter then + Set_Never_Set_In_Source (E2, Never_Set_In_Source (E1)); + Set_Never_Set_In_Source (E1, False); + end if; + + Set_Referenced (E2, Referenced (E1)); + Set_Referenced (E1); + + <<Continue>> + Next_Entity (E1); + end loop; + + Check_References (Id); + end; + + -- We still need to check references for the spec, since objects + -- declared in the body are chained (in the First_Entity sense) to + -- the spec rather than the body in the case of entries. + Check_References (Entry_Name); + + -- Process the end label, and terminate the scope + Process_End_Label (Handled_Statement_Sequence (N), 't', Entry_Name); End_Scope; @@ -640,7 +767,6 @@ package body Sem_Ch9 is Process_Formals (Formals, Parent (N)); End_Scope; end if; - end Analyze_Entry_Body_Formal_Part; ------------------------------------ @@ -648,6 +774,8 @@ package body Sem_Ch9 is ------------------------------------ procedure Analyze_Entry_Call_Alternative (N : Node_Id) is + Call : constant Node_Id := Entry_Call_Statement (N); + begin Tasking_Used := True; @@ -655,7 +783,17 @@ package body Sem_Ch9 is Analyze_List (Pragmas_Before (N)); end if; - Analyze (Entry_Call_Statement (N)); + if Nkind (Call) = N_Attribute_Reference then + + -- Possibly a stream attribute, but definitely illegal. Other + -- illegalitles, such as procedure calls, are diagnosed after + -- resolution. + + Error_Msg_N ("entry call alternative requires an entry call", Call); + return; + end if; + + Analyze (Call); if Is_Non_Empty_List (Statements (N)) then Analyze_Statements (Statements (N)); @@ -667,9 +805,9 @@ package body Sem_Ch9 is ------------------------------- procedure Analyze_Entry_Declaration (N : Node_Id) is - Id : Entity_Id := Defining_Identifier (N); - D_Sdef : Node_Id := Discrete_Subtype_Definition (N); - Formals : List_Id := Parameter_Specifications (N); + Formals : constant List_Id := Parameter_Specifications (N); + Id : constant Entity_Id := Defining_Identifier (N); + D_Sdef : constant Node_Id := Discrete_Subtype_Definition (N); begin Generate_Definition (Id); @@ -699,7 +837,6 @@ package body Sem_Ch9 is if Ekind (Id) = E_Entry then New_Overloaded_Entity (Id); end if; - end Analyze_Entry_Declaration; --------------------------------------- @@ -717,16 +854,25 @@ package body Sem_Ch9 is -- be knwown to routines that process entry families. procedure Analyze_Entry_Index_Specification (N : Node_Id) is - Iden : constant Node_Id := Defining_Identifier (N); - Def : constant Node_Id := Discrete_Subtype_Definition (N); - Loop_Id : Entity_Id := + Iden : constant Node_Id := Defining_Identifier (N); + Def : constant Node_Id := Discrete_Subtype_Definition (N); + Loop_Id : constant Entity_Id := Make_Defining_Identifier (Sloc (N), Chars => New_Internal_Name ('L')); begin Tasking_Used := True; Analyze (Def); - Make_Index (Def, N); + + -- There is no elaboration of the entry index specification. Therefore, + -- if the index is a range, it is not resolved and expanded, but the + -- bounds are inherited from the entry declaration, and reanalyzed. + -- See Analyze_Entry_Body. + + if Nkind (Def) /= N_Range then + Make_Index (Def, N); + end if; + Set_Ekind (Loop_Id, E_Loop); Set_Scope (Loop_Id, Current_Scope); New_Scope (Loop_Id); @@ -875,6 +1021,11 @@ package body Sem_Ch9 is Def_Id : constant Entity_Id := Defining_Identifier (N); begin + if No_Run_Time_Mode then + Error_Msg_CRT ("protected type", N); + return; + end if; + Tasking_Used := True; Check_Restriction (No_Protected_Types, N); @@ -890,7 +1041,7 @@ package body Sem_Ch9 is Set_Etype (T, T); Set_Is_First_Subtype (T, True); Set_Has_Delayed_Freeze (T, True); - Set_Girder_Constraint (T, No_Elist); + Set_Stored_Constraint (T, No_Elist); New_Scope (T); if Present (Discriminant_Specifications (N)) then @@ -946,7 +1097,6 @@ package body Sem_Ch9 is Exp_Ch9.Expand_N_Protected_Type_Declaration (N); Process_Full_View (N, T, Def_Id); end if; - end Analyze_Protected_Type; --------------------- @@ -997,9 +1147,9 @@ package body Sem_Ch9 is -- the restrictions of 9.5.4(6). if Present (Target_Obj) then - -- Locate containing concurrent unit and determine - -- enclosing entry body or outermost enclosing accept - -- statement within the unit. + + -- Locate containing concurrent unit and determine enclosing entry + -- body or outermost enclosing accept statement within the unit. Outer_Ent := Empty; for S in reverse 0 .. Scope_Stack.Last loop @@ -1039,7 +1189,6 @@ package body Sem_Ch9 is Entry_Id := Empty; while Present (It.Nam) loop - if No (First_Formal (It.Nam)) or else Subtype_Conformant (Enclosing, It.Nam) then @@ -1107,34 +1256,51 @@ package body Sem_Ch9 is if not Is_Entry (Entry_Id) then Error_Msg_N ("expect entry name in requeue statement", Name (N)); elsif Ekind (Entry_Id) = E_Entry_Family - and then Nkind (Entry_Name) /= N_Indexed_Component then Error_Msg_N ("missing index for entry family component", Name (N)); else Resolve_Entry (Name (N)); + Generate_Reference (Entry_Id, Entry_Name); if Present (First_Formal (Entry_Id)) then Check_Subtype_Conformant (Enclosing, Entry_Id, Name (N)); - -- Mark any output parameters as assigned + -- Processing for parameters accessed by the requeue declare Ent : Entity_Id := First_Formal (Enclosing); begin while Present (Ent) loop - if Ekind (Ent) = E_Out_Parameter then - Set_Not_Source_Assigned (Ent, False); + + -- For OUT or IN OUT parameter, the effect of the requeue + -- is to assign the parameter a value on exit from the + -- requeued body, so we can set it as source assigned. + -- We also clear the Is_True_Constant indication. We do + -- not need to clear Current_Value, since the effect of + -- the requeue is to perform an unconditional goto so + -- that any further references will not occur anyway. + + if Ekind (Ent) = E_Out_Parameter + or else + Ekind (Ent) = E_In_Out_Parameter + then + Set_Never_Set_In_Source (Ent, False); + Set_Is_True_Constant (Ent, False); end if; + -- For all parameters, the requeue acts as a reference, + -- since the value of the parameter is passed to the + -- new entry, so we want to suppress unreferenced warnings. + + Set_Referenced (Ent); Next_Formal (Ent); end loop; end; end if; end if; - end Analyze_Requeue; ------------------------------ @@ -1153,6 +1319,7 @@ package body Sem_Ch9 is begin Check_Restriction (No_Select_Statements, N); + Check_Restriction (Max_Select_Alternatives, N); Tasking_Used := True; Alt := First (Alts); @@ -1163,8 +1330,8 @@ package body Sem_Ch9 is if Nkind (Alt) = N_Delay_Alternative then if Delay_Present then - if (Relative_Present /= - (Nkind (Delay_Statement (Alt)) = N_Delay_Relative_Statement)) + if Relative_Present /= + (Nkind (Delay_Statement (Alt)) = N_Delay_Relative_Statement) then Error_Msg_N ("delay_until and delay_relative alternatives ", Alt); @@ -1410,6 +1577,17 @@ package body Sem_Ch9 is return; end if; + if Has_Completion (Spec_Id) + and then Present (Corresponding_Body (Parent (Spec_Id))) + then + if Nkind (Parent (Spec_Id)) = N_Task_Type_Declaration then + Error_Msg_NE ("duplicate body for task type&", N, Spec_Id); + + else + Error_Msg_NE ("duplicate body for task&", N, Spec_Id); + end if; + end if; + Ref_Id := Spec_Id; Generate_Reference (Ref_Id, Body_Id, 'b', Set_Ref => False); Style.Check_Identifier (Body_Id, Spec_Id); @@ -1444,6 +1622,7 @@ package body Sem_Ch9 is Analyze (Handled_Statement_Sequence (N)); Check_Completion (Body_Id); Check_References (Body_Id); + Check_References (Spec_Id); -- Check for entries with no corresponding accept @@ -1510,7 +1689,6 @@ package body Sem_Ch9 is begin Tasking_Used := True; - Check_Restriction (Max_Tasks, N); Check_Restriction (No_Tasking, N); T := Find_Type_Name (N); Generate_Definition (T); @@ -1526,7 +1704,7 @@ package body Sem_Ch9 is Init_Size_Align (T); Set_Etype (T, T); Set_Has_Delayed_Freeze (T, True); - Set_Girder_Constraint (T, No_Elist); + Set_Stored_Constraint (T, No_Elist); New_Scope (T); if Present (Discriminant_Specifications (N)) then @@ -1599,7 +1777,8 @@ package body Sem_Ch9 is ------------------------------------ procedure Analyze_Triggering_Alternative (N : Node_Id) is - Trigger : Node_Id := Triggering_Statement (N); + Trigger : constant Node_Id := Triggering_Statement (N); + begin Tasking_Used := True; @@ -1632,6 +1811,10 @@ package body Sem_Ch9 is procedure Count (L : List_Id); -- Count entries in given declaration list + ----------- + -- Count -- + ----------- + procedure Count (L : List_Id) is D : Node_Id; @@ -1648,9 +1831,13 @@ package body Sem_Ch9 is Discrete_Subtype_Definition (D); begin + -- If not an entry family, then just one entry + if No (DSD) then Ecount := Ecount + 1; + -- If entry family with static bounds, count entries + elsif Is_OK_Static_Subtype (Etype (DSD)) then declare Lo : constant Uint := @@ -1666,7 +1853,9 @@ package body Sem_Ch9 is end if; end; - else + -- If entry family with non-static bounds, give error msg + + elsif Restriction_Parameters (R) /= No_Uint then Error_Msg_N ("static subtype required by Restriction pragma", DSD); end if; @@ -1680,10 +1869,11 @@ package body Sem_Ch9 is -- Start of processing for Check_Max_Entries begin - if Restriction_Parameters (R) >= 0 then - Ecount := Uint_0; - Count (Visible_Declarations (Def)); - Count (Private_Declarations (Def)); + Ecount := Uint_0; + Count (Visible_Declarations (Def)); + Count (Private_Declarations (Def)); + + if Ecount > 0 then Check_Restriction (R, Ecount, Def); end if; end Check_Max_Entries; |