3psoccon.ads, [...]: Files added.

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.

From-SVN: r72751

1 files changed, 744 insertions, 0 deletions

diff --git a/gcc/ada/errutil.adb b/gcc/ada/errutil.adb
new file mode 100644
index 0000000..855d464
--- /dev/null
+++ b/gcc/ada/errutil.adb
@@ -0,0 +1,744 @@
+------------------------------------------------------------------------------
+--                                                                          --
+--                         GNAT COMPILER COMPONENTS                         --
+--                                                                          --
+--                              E R R U T I L                               --
+--                                                                          --
+--                                 B o d y                                  --
+--                                                                          --
+--          Copyright (C) 1991-2003 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- --
+-- ware  Foundation;  either version 2,  or (at your option) any later ver- --
+-- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
+-- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
+-- or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License --
+-- for  more details.  You should have  received  a copy of the GNU General --
+-- Public License  distributed with GNAT;  see file COPYING.  If not, write --
+-- to  the Free Software Foundation,  59 Temple Place - Suite 330,  Boston, --
+-- MA 02111-1307, USA.                                                      --
+--                                                                          --
+-- GNAT was originally developed  by the GNAT team at  New York University. --
+-- Extensive contributions were provided by Ada Core Technologies Inc.      --
+--                                                                          --
+------------------------------------------------------------------------------
+
+with Err_Vars; use Err_Vars;
+with Erroutc;  use Erroutc;
+with Namet;    use Namet;
+with Opt;      use Opt;
+with Output;   use Output;
+with Scans;    use Scans;
+with Sinput;   use Sinput;
+
+package body Errutil is
+
+   Errors_Must_Be_Ignored : Boolean := False;
+   --  Set to True by procedure Set_Ignore_Errors (True), when calls to
+   --  error message procedures should be ignored (when parsing irrelevant
+   --  text in sources being preprocessed).
+
+   -----------------------
+   -- Local Subprograms --
+   -----------------------
+
+   procedure Error_Msg_AP (Msg : String);
+   --  Output a message just after the previous token.
+
+   procedure Output_Source_Line
+     (L           : Physical_Line_Number;
+      Sfile       : Source_File_Index;
+      Errs        : Boolean;
+      Source_Type : String);
+   --  Outputs text of source line L, in file S, together with preceding line
+   --  number, as described above for Output_Line_Number. The Errs parameter
+   --  indicates if there are errors attached to the line, which forces
+   --  listing on, even in the presence of pragma List (Off).
+
+   procedure Set_Msg_Insertion_Column;
+   --  Handle column number insertion (@ insertion character)
+
+   procedure Set_Msg_Text (Text : String; Flag : Source_Ptr);
+   --  Add a sequence of characters to the current message. The characters may
+   --  be one of the special insertion characters (see documentation in spec).
+   --  Flag is the location at which the error is to be posted, which is used
+   --  to determine whether or not the # insertion needs a file name. The
+   --  variables Msg_Buffer, Msglen, Is_Style_Msg, Is_Warning_Msg, and
+   --  Is_Unconditional_Msg are set on return.
+
+   ------------------
+   -- Error_Msg_AP --
+   ------------------
+
+   procedure Error_Msg_AP (Msg : String) is
+      S1 : Source_Ptr;
+      C  : Character;
+
+   begin
+      --  If we had saved the Scan_Ptr value after scanning the previous
+      --  token, then we would have exactly the right place for putting
+      --  the flag immediately at hand. However, that would add at least
+      --  two instructions to a Scan call *just* to service the possibility
+      --  of an Error_Msg_AP call. So instead we reconstruct that value.
+
+      --  We have two possibilities, start with Prev_Token_Ptr and skip over
+      --  the current token, which is made harder by the possibility that this
+      --  token may be in error, or start with Token_Ptr and work backwards.
+      --  We used to take the second approach, but it's hard because of
+      --  comments, and harder still because things that look like comments
+      --  can appear inside strings. So now we take the first approach.
+
+      --  Note: in the case where there is no previous token, Prev_Token_Ptr
+      --  is set to Source_First, which is a reasonable position for the
+      --  error flag in this situation.
+
+      S1 := Prev_Token_Ptr;
+      C := Source (S1);
+
+      --  If the previous token is a string literal, we need a special approach
+      --  since there may be white space inside the literal and we don't want
+      --  to stop on that white space.
+
+      if Prev_Token = Tok_String_Literal then
+         loop
+            S1 := S1 + 1;
+
+            if Source (S1) = C then
+               S1 := S1 + 1;
+               exit when Source (S1) /= C;
+            elsif Source (S1) in Line_Terminator then
+               exit;
+            end if;
+         end loop;
+
+      --  Character literal also needs special handling
+
+      elsif Prev_Token = Tok_Char_Literal then
+         S1 := S1 + 3;
+
+      --  Otherwise we search forward for the end of the current token, marked
+      --  by a line terminator, white space, a comment symbol or if we bump
+      --  into the following token (i.e. the current token)
+
+      else
+         while Source (S1) not in Line_Terminator
+           and then Source (S1) /= ' '
+           and then Source (S1) /= ASCII.HT
+           and then (Source (S1) /= '-' or else Source (S1 + 1) /= '-')
+           and then S1 /= Token_Ptr
+         loop
+            S1 := S1 + 1;
+         end loop;
+      end if;
+
+      --  S1 is now set to the location for the flag
+
+      Error_Msg (Msg, S1);
+
+   end Error_Msg_AP;
+
+   ---------------
+   -- Error_Msg --
+   ---------------
+
+   procedure Error_Msg (Msg : String; Flag_Location : Source_Ptr) is
+
+      Next_Msg : Error_Msg_Id;
+      --  Pointer to next message at insertion point
+
+      Prev_Msg : Error_Msg_Id;
+      --  Pointer to previous message at insertion point
+
+      Sptr : Source_Ptr renames Flag_Location;
+      --  Corresponds to the Sptr value in the error message object
+
+      Optr : Source_Ptr renames Flag_Location;
+      --  Corresponds to the Optr value in the error message object. Note
+      --  that for this usage, Sptr and Optr always have the same value,
+      --  since we do not have to worry about generic instantiations.
+
+   begin
+      if Errors_Must_Be_Ignored then
+         return;
+      end if;
+
+      if Raise_Exception_On_Error /= 0 then
+         raise Error_Msg_Exception;
+      end if;
+
+      Test_Style_Warning_Serious_Msg (Msg);
+      Set_Msg_Text (Msg, Sptr);
+
+      --  Kill continuation if parent message killed
+
+      if Continuation and Last_Killed then
+         return;
+      end if;
+
+      --  Return without doing anything if message is killed and this
+      --  is not the first error message. The philosophy is that if we
+      --  get a weird error message and we already have had a message,
+      --  then we hope the weird message is a junk cascaded message
+
+      --  Immediate return if warning message and warnings are suppressed
+      --  Note that style messages are not warnings for this purpose.
+
+      if Is_Warning_Msg and then Warnings_Suppressed (Sptr) then
+         Cur_Msg := No_Error_Msg;
+         return;
+      end if;
+
+      --  Otherwise build error message object for new message
+
+      Errors.Increment_Last;
+      Cur_Msg := Errors.Last;
+      Errors.Table (Cur_Msg).Text     := new String'(Msg_Buffer (1 .. Msglen));
+      Errors.Table (Cur_Msg).Next     := No_Error_Msg;
+      Errors.Table (Cur_Msg).Sptr     := Sptr;
+      Errors.Table (Cur_Msg).Optr     := Optr;
+      Errors.Table (Cur_Msg).Sfile    := Get_Source_File_Index (Sptr);
+      Errors.Table (Cur_Msg).Line     := Get_Physical_Line_Number (Sptr);
+      Errors.Table (Cur_Msg).Col      := Get_Column_Number (Sptr);
+      Errors.Table (Cur_Msg).Style    := Is_Style_Msg;
+      Errors.Table (Cur_Msg).Warn     := Is_Warning_Msg;
+      Errors.Table (Cur_Msg).Serious  := Is_Serious_Error;
+      Errors.Table (Cur_Msg).Uncond   := Is_Unconditional_Msg;
+      Errors.Table (Cur_Msg).Msg_Cont := Continuation;
+      Errors.Table (Cur_Msg).Deleted  := False;
+
+      Prev_Msg := No_Error_Msg;
+      Next_Msg := First_Error_Msg;
+
+      while Next_Msg /= No_Error_Msg loop
+         exit when
+           Errors.Table (Cur_Msg).Sfile < Errors.Table (Next_Msg).Sfile;
+
+         if Errors.Table (Cur_Msg).Sfile = Errors.Table (Next_Msg).Sfile then
+            exit when Sptr < Errors.Table (Next_Msg).Sptr;
+         end if;
+
+         Prev_Msg := Next_Msg;
+         Next_Msg := Errors.Table (Next_Msg).Next;
+      end loop;
+
+      --  Now we insert the new message in the error chain. The insertion
+      --  point for the message is after Prev_Msg and before Next_Msg.
+
+      --  The possible insertion point for the new message is after Prev_Msg
+      --  and before Next_Msg. However, this is where we do a special check
+      --  for redundant parsing messages, defined as messages posted on the
+      --  same line. The idea here is that probably such messages are junk
+      --  from the parser recovering. In full errors mode, we don't do this
+      --  deletion, but otherwise such messages are discarded at this stage.
+
+      if Prev_Msg /= No_Error_Msg
+        and then Errors.Table (Prev_Msg).Line =
+        Errors.Table (Cur_Msg).Line
+        and then Errors.Table (Prev_Msg).Sfile =
+        Errors.Table (Cur_Msg).Sfile
+      then
+         --  Don't delete unconditional messages and at this stage,
+         --  don't delete continuation lines (we attempted to delete
+         --  those earlier if the parent message was deleted.
+
+         if not Errors.Table (Cur_Msg).Uncond
+           and then not Continuation
+         then
+
+            --  Don't delete if prev msg is warning and new msg is
+            --  an error. This is because we don't want a real error
+            --  masked by a warning. In all other cases (that is parse
+            --  errors for the same line that are not unconditional)
+            --  we do delete the message. This helps to avoid
+            --  junk extra messages from cascaded parsing errors
+
+            if not (Errors.Table (Prev_Msg).Warn
+                      or
+                    Errors.Table (Prev_Msg).Style)
+              or else
+                   (Errors.Table (Cur_Msg).Warn
+                      or
+                    Errors.Table (Cur_Msg).Style)
+            then
+               --  All tests passed, delete the message by simply
+               --  returning without any further processing.
+
+               if not Continuation then
+                  Last_Killed := True;
+               end if;
+
+               return;
+            end if;
+         end if;
+      end if;
+
+      --  Come here if message is to be inserted in the error chain
+
+      if not Continuation then
+         Last_Killed := False;
+      end if;
+
+      if Prev_Msg = No_Error_Msg then
+         First_Error_Msg := Cur_Msg;
+      else
+         Errors.Table (Prev_Msg).Next := Cur_Msg;
+      end if;
+
+      Errors.Table (Cur_Msg).Next := Next_Msg;
+
+      --  Bump appropriate statistics count
+
+      if Errors.Table (Cur_Msg).Warn or Errors.Table (Cur_Msg).Style then
+         Warnings_Detected := Warnings_Detected + 1;
+      else
+         Total_Errors_Detected := Total_Errors_Detected + 1;
+
+         if Errors.Table (Cur_Msg).Serious then
+            Serious_Errors_Detected := Serious_Errors_Detected + 1;
+         end if;
+      end if;
+
+   end Error_Msg;
+
+   -----------------
+   -- Error_Msg_S --
+   -----------------
+
+   procedure Error_Msg_S (Msg : String) is
+   begin
+      Error_Msg (Msg, Scan_Ptr);
+   end Error_Msg_S;
+
+   ------------------
+   -- Error_Msg_SC --
+   ------------------
+
+   procedure Error_Msg_SC (Msg : String) is
+   begin
+      --  If we are at end of file, post the flag after the previous token
+
+      if Token = Tok_EOF then
+         Error_Msg_AP (Msg);
+
+      --  For all other cases the message is posted at the current token
+      --  pointer position
+
+      else
+         Error_Msg (Msg, Token_Ptr);
+      end if;
+   end Error_Msg_SC;
+
+   ------------------
+   -- Error_Msg_SP --
+   ------------------
+
+   procedure Error_Msg_SP (Msg : String) is
+   begin
+      --  Note: in the case where there is no previous token, Prev_Token_Ptr
+      --  is set to Source_First, which is a reasonable position for the
+      --  error flag in this situation
+
+      Error_Msg (Msg, Prev_Token_Ptr);
+   end Error_Msg_SP;
+
+   --------------
+   -- Finalize --
+   --------------
+
+   procedure Finalize (Source_Type : String := "project") is
+      Cur      : Error_Msg_Id;
+      Nxt      : Error_Msg_Id;
+      E, F     : Error_Msg_Id;
+      Err_Flag : Boolean;
+
+   begin
+      --  Eliminate any duplicated error messages from the list. This is
+      --  done after the fact to avoid problems with Change_Error_Text.
+
+      Cur := First_Error_Msg;
+      while Cur /= No_Error_Msg loop
+         Nxt := Errors.Table (Cur).Next;
+
+         F := Nxt;
+         while F /= No_Error_Msg
+           and then Errors.Table (F).Sptr = Errors.Table (Cur).Sptr
+         loop
+            Check_Duplicate_Message (Cur, F);
+            F := Errors.Table (F).Next;
+         end loop;
+
+         Cur := Nxt;
+      end loop;
+
+      --  Brief Error mode
+
+      if Brief_Output or (not Full_List and not Verbose_Mode) then
+         E := First_Error_Msg;
+         Set_Standard_Error;
+
+         while E /= No_Error_Msg loop
+            if not Errors.Table (E).Deleted then
+               if Full_Path_Name_For_Brief_Errors then
+                  Write_Name (Full_Ref_Name (Errors.Table (E).Sfile));
+               else
+                  Write_Name (Reference_Name (Errors.Table (E).Sfile));
+               end if;
+
+               Write_Char (':');
+               Write_Int (Int (Physical_To_Logical
+                                (Errors.Table (E).Line,
+                                 Errors.Table (E).Sfile)));
+               Write_Char (':');
+
+               if Errors.Table (E).Col < 10 then
+                  Write_Char ('0');
+               end if;
+
+               Write_Int (Int (Errors.Table (E).Col));
+               Write_Str (": ");
+               Output_Msg_Text (E);
+               Write_Eol;
+            end if;
+
+            E := Errors.Table (E).Next;
+         end loop;
+
+         Set_Standard_Output;
+      end if;
+
+      --  Full source listing case
+
+      if Full_List then
+         List_Pragmas_Index := 1;
+         List_Pragmas_Mode := True;
+         E := First_Error_Msg;
+         Write_Eol;
+
+         --  First list initial main source file with its error messages
+
+         for N in 1 .. Last_Source_Line (Main_Source_File) loop
+            Err_Flag :=
+              E /= No_Error_Msg
+                and then Errors.Table (E).Line = N
+                and then Errors.Table (E).Sfile = Main_Source_File;
+
+            Output_Source_Line (N, Main_Source_File, Err_Flag, Source_Type);
+
+            if Err_Flag then
+               Output_Error_Msgs (E);
+
+               Write_Eol;
+            end if;
+
+         end loop;
+
+         --  Then output errors, if any, for subsidiary units
+
+         while E /= No_Error_Msg
+           and then Errors.Table (E).Sfile /= Main_Source_File
+         loop
+            Write_Eol;
+            Output_Source_Line
+              (Errors.Table (E).Line,
+               Errors.Table (E).Sfile,
+               True,
+               Source_Type);
+            Output_Error_Msgs (E);
+         end loop;
+      end if;
+
+      --  Verbose mode (error lines only with error flags)
+
+      if Verbose_Mode then
+         E := First_Error_Msg;
+
+         --  Loop through error lines
+
+         while E /= No_Error_Msg loop
+            Write_Eol;
+            Output_Source_Line
+              (Errors.Table (E).Line,
+               Errors.Table (E).Sfile,
+               True,
+               Source_Type);
+            Output_Error_Msgs (E);
+         end loop;
+      end if;
+
+      --  Output error summary if verbose or full list mode
+
+      if Verbose_Mode or else Full_List then
+
+         --  Extra blank line if error messages or source listing were output
+
+         if Total_Errors_Detected + Warnings_Detected > 0
+           or else Full_List
+         then
+            Write_Eol;
+         end if;
+
+         --  Message giving number of lines read and number of errors detected.
+         --  This normally goes to Standard_Output. The exception is when brief
+         --  mode is not set, verbose mode (or full list mode) is set, and
+         --  there are errors. In this case we send the message to standard
+         --  error to make sure that *something* appears on standard error in
+         --  an error situation.
+
+         --  Formerly, only the "# errors" suffix was sent to stderr, whereas
+         --  "# lines:" appeared on stdout. This caused problems on VMS when
+         --  the stdout buffer was flushed, giving an extra line feed after
+         --  the prefix.
+
+         if Total_Errors_Detected + Warnings_Detected /= 0
+           and then not Brief_Output
+           and then (Verbose_Mode or Full_List)
+         then
+            Set_Standard_Error;
+         end if;
+
+         --  Message giving total number of lines
+
+         Write_Str (" ");
+         Write_Int (Num_Source_Lines (Main_Source_File));
+
+         if Num_Source_Lines (Main_Source_File) = 1 then
+            Write_Str (" line: ");
+         else
+            Write_Str (" lines: ");
+         end if;
+
+         if Total_Errors_Detected = 0 then
+            Write_Str ("No errors");
+
+         elsif Total_Errors_Detected = 1 then
+            Write_Str ("1 error");
+
+         else
+            Write_Int (Total_Errors_Detected);
+            Write_Str (" errors");
+         end if;
+
+         if Warnings_Detected /= 0 then
+            Write_Str (", ");
+            Write_Int (Warnings_Detected);
+            Write_Str (" warning");
+
+            if Warnings_Detected /= 1 then
+               Write_Char ('s');
+            end if;
+
+            if Warning_Mode = Treat_As_Error then
+               Write_Str (" (treated as error");
+
+               if Warnings_Detected /= 1 then
+                  Write_Char ('s');
+               end if;
+
+               Write_Char (')');
+            end if;
+         end if;
+
+         Write_Eol;
+         Set_Standard_Output;
+      end if;
+
+      if Maximum_Errors /= 0
+        and then Total_Errors_Detected + Warnings_Detected = Maximum_Errors
+      then
+         Set_Standard_Error;
+         Write_Str ("fatal error: maximum errors reached");
+         Write_Eol;
+         Set_Standard_Output;
+      end if;
+
+      if Warning_Mode = Treat_As_Error then
+         Total_Errors_Detected := Total_Errors_Detected + Warnings_Detected;
+         Warnings_Detected := 0;
+      end if;
+
+   end Finalize;
+
+   ----------------
+   -- Initialize --
+   ----------------
+
+   procedure Initialize is
+   begin
+      Errors.Init;
+      First_Error_Msg := No_Error_Msg;
+      Last_Error_Msg  := No_Error_Msg;
+      Serious_Errors_Detected := 0;
+      Total_Errors_Detected := 0;
+      Warnings_Detected := 0;
+      Cur_Msg := No_Error_Msg;
+
+      --  Initialize warnings table, if all warnings are suppressed, supply
+      --  an initial dummy entry covering all possible source locations.
+
+      Warnings.Init;
+
+   end Initialize;
+
+   ------------------------
+   -- Output_Source_Line --
+   ------------------------
+
+   procedure Output_Source_Line
+     (L           : Physical_Line_Number;
+      Sfile       : Source_File_Index;
+      Errs        : Boolean;
+      Source_Type : String)
+   is
+      S : Source_Ptr;
+      C : Character;
+
+      Line_Number_Output : Boolean := False;
+      --  Set True once line number is output
+
+   begin
+      if Sfile /= Current_Error_Source_File then
+         Write_Str ("==============Error messages for ");
+         Write_Str (Source_Type);
+         Write_Str (" file: ");
+         Write_Name (Full_File_Name (Sfile));
+         Write_Eol;
+         Current_Error_Source_File := Sfile;
+      end if;
+
+      if Errs then
+         Output_Line_Number (Physical_To_Logical (L, Sfile));
+         Line_Number_Output := True;
+      end if;
+
+      S := Line_Start (L, Sfile);
+
+      loop
+         C := Source_Text (Sfile) (S);
+         exit when C = ASCII.LF or else C = ASCII.CR or else C = EOF;
+
+         if Errs then
+            Write_Char (C);
+         end if;
+
+         S := S + 1;
+      end loop;
+
+      if Line_Number_Output then
+         Write_Eol;
+      end if;
+   end Output_Source_Line;
+
+   -----------------------
+   -- Set_Ignore_Errors --
+   -----------------------
+
+   procedure Set_Ignore_Errors (To : Boolean) is
+   begin
+      Errors_Must_Be_Ignored := To;
+   end Set_Ignore_Errors;
+
+   ------------------------------
+   -- Set_Msg_Insertion_Column --
+   ------------------------------
+
+   procedure Set_Msg_Insertion_Column is
+   begin
+      if Style.RM_Column_Check then
+         Set_Msg_Str (" in column ");
+         Set_Msg_Int (Int (Error_Msg_Col) + 1);
+      end if;
+   end Set_Msg_Insertion_Column;
+
+   ------------------
+   -- Set_Msg_Text --
+   ------------------
+
+   procedure Set_Msg_Text (Text : String; Flag : Source_Ptr) is
+      C : Character;         -- Current character
+      P : Natural;           -- Current index;
+
+   begin
+      Manual_Quote_Mode := False;
+      Msglen := 0;
+      Flag_Source := Get_Source_File_Index (Flag);
+      P := Text'First;
+
+      while P <= Text'Last loop
+         C := Text (P);
+         P := P + 1;
+
+         --  Check for insertion character
+
+         if C = '%' then
+            Set_Msg_Insertion_Name;
+
+         elsif C = '$' then
+            --  '$' is ignored
+
+            null;
+
+         elsif C = '{' then
+            Set_Msg_Insertion_File_Name;
+
+         elsif C = '}' then
+            --  '}' is ignored
+
+            null;
+
+         elsif C = '*' then
+            Set_Msg_Insertion_Reserved_Name;
+
+         elsif C = '&' then
+            --  '&' is ignored
+
+            null;
+
+         elsif C = '#' then
+            Set_Msg_Insertion_Line_Number (Error_Msg_Sloc, Flag);
+
+         elsif C = '\' then
+            Continuation := True;
+
+         elsif C = '@' then
+            Set_Msg_Insertion_Column;
+
+         elsif C = '^' then
+            Set_Msg_Insertion_Uint;
+
+         elsif C = '`' then
+            Manual_Quote_Mode := not Manual_Quote_Mode;
+            Set_Msg_Char ('"');
+
+         elsif C = '!' then
+            Is_Unconditional_Msg := True;
+
+         elsif C = '?' then
+            null;
+
+         elsif C = '|' then
+            null;
+
+         elsif C = ''' then
+            Set_Msg_Char (Text (P));
+            P := P + 1;
+
+         --  Upper case letter (start of reserved word if 2 or more)
+
+         elsif C in 'A' .. 'Z'
+           and then P <= Text'Last
+           and then Text (P) in 'A' .. 'Z'
+         then
+            P := P - 1;
+            Set_Msg_Insertion_Reserved_Word (Text, P);
+
+         --  Normal character with no special treatment
+
+         else
+            Set_Msg_Char (C);
+         end if;
+
+      end loop;
+   end Set_Msg_Text;
+
+end Errutil;