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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_elab.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_elab.adb')
-rw-r--r-- | gcc/ada/sem_elab.adb | 220 |
1 files changed, 168 insertions, 52 deletions
diff --git a/gcc/ada/sem_elab.adb b/gcc/ada/sem_elab.adb index f440f7d3cc9..9aa4d352025 100644 --- a/gcc/ada/sem_elab.adb +++ b/gcc/ada/sem_elab.adb @@ -6,7 +6,7 @@ -- -- -- B o d y -- -- -- --- Copyright (C) 1997-2002 Free Software Foundation, Inc. -- +-- Copyright (C) 1997-2003 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- -- @@ -30,6 +30,7 @@ with Debug; use Debug; with Einfo; use Einfo; with Elists; use Elists; with Errout; use Errout; +with Exp_Tss; use Exp_Tss; with Exp_Util; use Exp_Util; with Expander; use Expander; with Fname; use Fname; @@ -316,15 +317,12 @@ package body Sem_Elab is Unit_Caller : Unit_Number_Type; Unit_Callee : Unit_Number_Type; - Cunit_SW : Boolean := False; - -- Set to suppress warnings for case of external reference where - -- one of the enclosing scopes has the Suppress_Elaboration_Warnings - -- flag set. For the internal case, we ignore this flag. - Cunit_SC : Boolean := False; -- Set to suppress dynamic elaboration checks where one of the - -- enclosing scopes has Suppress_Elaboration_Checks set. For - -- the internal case, we ignore this flag. + -- enclosing scopes has Elaboration_Checks_Suppressed set, or else + -- if a pragma Elaborate (_All) applies to that scope, in which case + -- warnings on the scope are also suppressed. For the internal case, + -- we ignore this flag. begin -- Go to parent for derived subprogram, or to original subprogram @@ -332,7 +330,10 @@ package body Sem_Elab is Ent := E; loop - if Suppress_Elaboration_Warnings (Ent) then + if (Suppress_Elaboration_Warnings (Ent) + or else Elaboration_Checks_Suppressed (Ent)) + and then (Inst_Case or else No (Alias (Ent))) + then return; end if; @@ -368,11 +369,9 @@ package body Sem_Elab is E_Scope := Ent; loop - if Suppress_Elaboration_Warnings (E_Scope) then - Cunit_SW := True; - end if; - - if Suppress_Elaboration_Checks (E_Scope) then + if Elaboration_Checks_Suppressed (E_Scope) + or else Suppress_Elaboration_Warnings (E_Scope) + then Cunit_SC := True; end if; @@ -435,9 +434,9 @@ package body Sem_Elab is return; end if; - -- Nothing to do if some scope said to ignore warnings + -- Nothing to do if some scope said that no checks were required - if Cunit_SW then + if Cunit_SC then return; end if; @@ -449,10 +448,36 @@ package body Sem_Elab is return; end if; - -- Nothing to do if subprogram with no separate spec + -- Nothing to do if subprogram with no separate spec. However, + -- a call to Deep_Initialize may result in a call to a user-defined + -- Initialize procedure, which imposes a body dependency. This + -- happens only if the type is controlled and the Initialize + -- procedure is not inherited. if Body_Acts_As_Spec then - return; + if Is_TSS (Ent, TSS_Deep_Initialize) then + declare + Typ : Entity_Id; + Init : Entity_Id; + begin + Typ := Etype (Next_Formal (First_Formal (Ent))); + + if not Is_Controlled (Typ) then + return; + else + Init := Find_Prim_Op (Typ, Name_Initialize); + + if Comes_From_Source (Init) then + Ent := Init; + else + return; + end if; + end if; + end; + + else + return; + end if; end if; -- Check cases of internal units @@ -495,7 +520,9 @@ package body Sem_Elab is return; end if; - Ent := E; + if Is_TSS (E, TSS_Deep_Initialize) then + Ent := E; + end if; -- If the call is in an instance, and the called entity is not -- defined in the same instance, then the elaboration issue @@ -573,6 +600,12 @@ package body Sem_Elab is exit when E_Scope /= C_Scope; Ent := Alias (Ent); E_Scope := Ent; + + -- If no alias, there is a previous error. + + if No (Ent) then + return; + end if; end loop; end if; @@ -581,18 +614,28 @@ package body Sem_Elab is end if; if not Suppress_Elaboration_Warnings (Ent) + and then not Elaboration_Checks_Suppressed (Ent) and then not Suppress_Elaboration_Warnings (E_Scope) + and then not Elaboration_Checks_Suppressed (E_Scope) and then Elab_Warnings and then Generate_Warnings then - Warn_On_Instance := True; - if Inst_Case then Error_Msg_NE ("instantiation of& may raise Program_Error?", N, Ent); else - Error_Msg_NE - ("call to & may raise Program_Error?", N, Ent); + if Is_Init_Proc (Entity (Name (N))) + and then Comes_From_Source (Ent) + then + Error_Msg_NE + ("implicit call to & in initialization" & + " may raise Program_Error?", N, Ent); + E_Scope := Scope (Entity (Name (N))); + + else + Error_Msg_NE + ("call to & may raise Program_Error?", N, Ent); + end if; if Unit_Callee = No_Unit and then E_Scope = Current_Scope @@ -614,13 +657,12 @@ package body Sem_Elab is ("\missing pragma Elaborate_All for&?", N, E_Scope); Error_Msg_Qual_Level := 0; Output_Calls (N); - Warn_On_Instance := False; -- Set flag to prevent further warnings for same unit -- unless in All_Errors_Mode. if not All_Errors_Mode and not Dynamic_Elaboration_Checks then - Set_Suppress_Elaboration_Warnings (E_Scope); + Set_Suppress_Elaboration_Warnings (E_Scope, True); end if; end if; @@ -628,10 +670,10 @@ package body Sem_Elab is if Dynamic_Elaboration_Checks then if not Elaboration_Checks_Suppressed (Ent) - and then not Suppress_Elaboration_Checks (E_Scope) + and then not Elaboration_Checks_Suppressed (E_Scope) and then not Cunit_SC then - -- Runtime elaboration check required. generate check of the + -- Runtime elaboration check required. Generate check of the -- elaboration Boolean for the unit containing the entity. Insert_Elab_Check (N, @@ -647,7 +689,9 @@ package body Sem_Elab is else if not Suppress_Elaboration_Warnings (E) + and then not Elaboration_Checks_Suppressed (E) and then not Suppress_Elaboration_Warnings (E_Scope) + and then not Elaboration_Checks_Suppressed (E_Scope) and then Elab_Warnings and then Generate_Warnings and then not Inst_Case @@ -658,7 +702,7 @@ package body Sem_Elab is end if; Set_Elaborate_All_Desirable (E_Scope); - Set_Suppress_Elaboration_Warnings (E_Scope); + Set_Suppress_Elaboration_Warnings (E_Scope, True); end if; -- Case of entity is in same unit as call or instantiation @@ -666,7 +710,6 @@ package body Sem_Elab is elsif not Inter_Unit_Only then Check_Internal_Call (N, Ent, Outer_Scope, E); end if; - end Check_A_Call; ----------------------------- @@ -674,7 +717,6 @@ package body Sem_Elab is ----------------------------- procedure Check_Bad_Instantiation (N : Node_Id) is - Nam : Node_Id; Ent : Entity_Id; begin @@ -713,7 +755,6 @@ package body Sem_Elab is return; end if; - Nam := Name (N); Ent := Get_Generic_Entity (N); -- The case we are interested in is when the generic spec is in the @@ -873,7 +914,6 @@ package body Sem_Elab is -- First case, we are in elaboration code From_Elab_Code := not In_Subprogram_Or_Concurrent_Unit; - if From_Elab_Code then -- Complain if call that comes from source in preelaborated @@ -1070,9 +1110,60 @@ package body Sem_Elab is Inter_Unit_Only => True, Generate_Warnings => False); + -- Otherwise nothing to do + else return; end if; + + -- A call to an Init_Proc in elaboration code may bring additional + -- dependencies, if some of the record components thereof have + -- initializations that are function calls that come from source. + -- We treat the current node as a call to each of these functions, + -- to check their elaboration impact. + + if Is_Init_Proc (Ent) + and then From_Elab_Code + then + Process_Init_Proc : declare + Unit_Decl : constant Node_Id := Unit_Declaration_Node (Ent); + + function Process (Nod : Node_Id) return Traverse_Result; + -- Find subprogram calls within body of init_proc for + -- Traverse instantiation below. + + function Process (Nod : Node_Id) return Traverse_Result is + Func : Entity_Id; + + begin + if (Nkind (Nod) = N_Function_Call + or else Nkind (Nod) = N_Procedure_Call_Statement) + and then Is_Entity_Name (Name (Nod)) + then + Func := Entity (Name (Nod)); + + if Comes_From_Source (Func) then + Check_A_Call + (N, Func, Standard_Standard, Inter_Unit_Only => True); + end if; + + return OK; + + else + return OK; + end if; + end Process; + + procedure Traverse_Body is new Traverse_Proc (Process); + + -- Start of processing for Process_Init_Proc + + begin + if Nkind (Unit_Decl) = N_Subprogram_Body then + Traverse_Body (Handled_Statement_Sequence (Unit_Decl)); + end if; + end Process_Init_Proc; + end if; end Check_Elab_Call; ---------------------- @@ -1124,8 +1215,7 @@ package body Sem_Elab is (N : Node_Id; Outer_Scope : Entity_Id := Empty) is - Nam : Node_Id; - Ent : Entity_Id; + Ent : Entity_Id; begin -- Check for and deal with bad instantiation case. There is some @@ -1150,7 +1240,6 @@ package body Sem_Elab is return; end if; - Nam := Name (N); Ent := Get_Generic_Entity (N); From_Elab_Code := not In_Subprogram_Or_Concurrent_Unit; @@ -1304,6 +1393,10 @@ package body Sem_Elab is -- Checks for call that needs checking, and if so checks -- it. Always returns OK, so entire tree is traversed. + ------------- + -- Process -- + ------------- + function Process (N : Node_Id) return Traverse_Result is begin -- If user has specified that there are no entry calls in elaboration @@ -1445,13 +1538,10 @@ package body Sem_Elab is -- Here is the case of calling a subprogram where the body has -- not yet been encountered, a warning message is needed. - Warn_On_Instance := True; - -- If we have nothing in the call stack, then this is at the -- outer level, and the ABE is bound to occur. if Elab_Call.Last = 0 then - if Inst_Case then Error_Msg_NE ("?cannot instantiate& before body seen", N, Orig_Ent); @@ -1501,6 +1591,14 @@ package body Sem_Elab is Set_Elaboration_Flag (Sbody, E); + -- Kill current value indication. This is necessary + -- because the tests of this flag are inserted out of + -- sequence and must not pick up bogus indications of + -- the wrong constant value. Also, this is never a true + -- constant, since one way or another, it gets reset. + + Set_Current_Value (Ent, Empty); + Set_Is_True_Constant (Ent, False); Pop_Scope; end; end if; @@ -1513,7 +1611,9 @@ package body Sem_Elab is -- Generate the warning - if not Suppress_Elaboration_Warnings (E) then + if not Suppress_Elaboration_Warnings (E) + and then not Elaboration_Checks_Suppressed (E) + then if Inst_Case then Error_Msg_NE ("instantiation of& may occur before body is seen?", @@ -1530,8 +1630,6 @@ package body Sem_Elab is end if; end if; - Warn_On_Instance := False; - -- Set flag to suppress further warnings on same subprogram -- unless in all errors mode @@ -1540,20 +1638,20 @@ package body Sem_Elab is end if; end Check_Internal_Call_Continue; - ---------------------------- - -- Check_Task_Activation -- - ---------------------------- + --------------------------- + -- Check_Task_Activation -- + --------------------------- procedure Check_Task_Activation (N : Node_Id) is Loc : constant Source_Ptr := Sloc (N); + Inter_Procs : constant Elist_Id := New_Elmt_List; + Intra_Procs : constant Elist_Id := New_Elmt_List; Ent : Entity_Id; P : Entity_Id; Task_Scope : Entity_Id; Cunit_SC : Boolean := False; Decl : Node_Id; Elmt : Elmt_Id; - Inter_Procs : Elist_Id := New_Elmt_List; - Intra_Procs : Elist_Id := New_Elmt_List; Enclosing : Entity_Id; procedure Add_Task_Proc (Typ : Entity_Id); @@ -1609,7 +1707,7 @@ package body Sem_Elab is -- Skip this test if errors have occurred, since in this case -- we can get false indications. - if Total_Errors_Detected /= 0 then + if Serious_Errors_Detected /= 0 then return; end if; @@ -1683,7 +1781,7 @@ package body Sem_Elab is begin while Present (Outer) loop - if Suppress_Elaboration_Checks (Outer) then + if Elaboration_Checks_Suppressed (Outer) then Cunit_SC := True; end if; @@ -1739,7 +1837,9 @@ package body Sem_Elab is if not Is_Compilation_Unit (Task_Scope) then null; - elsif Suppress_Elaboration_Warnings (Task_Scope) then + elsif Suppress_Elaboration_Warnings (Task_Scope) + or else Elaboration_Checks_Suppressed (Task_Scope) + then null; elsif Dynamic_Elaboration_Checks then @@ -1759,11 +1859,13 @@ package body Sem_Elab is end if; else - -- Force the binder to elaborate other unit first. + -- Force the binder to elaborate other unit first if not Suppress_Elaboration_Warnings (Ent) + and then not Elaboration_Checks_Suppressed (Ent) and then Elab_Warnings and then not Suppress_Elaboration_Warnings (Task_Scope) + and then not Elaboration_Checks_Suppressed (Task_Scope) then Error_Msg_Node_2 := Task_Scope; Error_Msg_NE ("activation of an instance of task type&" & @@ -2081,12 +2183,18 @@ package body Sem_Elab is -- Unfortunately this does not work if the call has a dynamic size, -- because gigi regards it as a dynamic-sized temporary. If such a call -- appears in a short-circuit expression, the elaboration check will be - -- missed (rare enough ???). + -- missed (rare enough ???). Otherwise, the code below inserts the check + -- at the appropriate place before the call. Same applies in the even + -- rarer case the return type has a known size but is unconstrained. else if Nkind (N) = N_Function_Call and then Analyzed (Parent (N)) and then Size_Known_At_Compile_Time (Etype (N)) + and then + (not Has_Discriminants (Etype (N)) + or else Is_Constrained (Etype (N))) + then declare Typ : constant Entity_Id := Etype (N); @@ -2175,7 +2283,7 @@ package body Sem_Elab is if Is_Generic_Unit (Ent) then Error_Msg_NE ("\?& instantiated #", N, Ent); - elsif Chars (Ent) = Name_uInit_Proc then + elsif Is_Init_Proc (Ent) then Error_Msg_N ("\?initialization procedure called #", N); elsif Is_Printable_Error_Name (Chars (Ent)) then @@ -2340,9 +2448,17 @@ package body Sem_Elab is if Nkind (Item) = N_Pragma and then Get_Pragma_Id (Chars (Item)) = Pragma_Elaborate_All then + if Error_Posted (Item) then + + -- Some previous error on the pragma itself + + return False; + end if; + Elab_Id := Entity ( Expression (First (Pragma_Argument_Associations (Item)))); + Par := Parent (Unit_Declaration_Node (Elab_Id)); Item2 := First (Context_Items (Par)); |