Commit Graph

18 Commits

Author SHA1 Message Date
Hristian Kirtchev
fd6342ec0e par-ch12.adb: Grammar update and cleanup.
2006-10-31  Hristian Kirtchev  <kirtchev@adacore.com>
	    Javier Miranda  <miranda@adacore.com>

	* par-ch12.adb: Grammar update and cleanup.
	(P_Formal_Type_Definition, P_Formal_Derived_Type_Definition): Add
	support for synchronized derived type definitions.
	Add the new actual Abstract_Present to every call to
	P_Interface_Type_Definition.
	(P_Formal_Object_Declarations): Update grammar rules. Handle parsing of
	a formal object declaration with an access definition or a subtype mark
	with a null exclusion.
	(P_Generic_Association): Handle association with box, and others_choice
	with box, to support Ada 2005 partially parametrized formal packages.

From-SVN: r118289
2006-10-31 19:03:23 +01:00
Robert Dewar
653da90603 einfo.adb (Itype_Printed): New flag
2005-12-05  Robert Dewar  <dewar@adacore.com>
	    Ed Schonberg  <schonberg@adacore.com>
	    Gary Dismukes  <dismukes@adacore.com>
	    Javier Miranda  <miranda@adacore.com>
	    Hristian Kirtchev  <kirtchev@adacore.com>

	* einfo.adb (Itype_Printed): New flag
	(Is_Limited_Type): Derived types do not inherit limitedness from
	interface progenitors.
	(Is_Return_By_Reference_Type): Predicate does not apply to limited
	interfaces.

	* einfo.ads (Itype_Printed): New flag
	Move Is_Wrapper_Package to proper section
	Add missing Inline for Is_Volatile

	* output.ads, output.adb (Write_Erase_Char): New procedure
	(Save/Restore_Output_Buffer): New procedures
	(Save/Restore_Output_Buffer): New procedures

	* sprint.ads, sprint.adb (Write_Itype): Handle case of record itypes
	Add missing support for anonymous access type
	(Write_Id): Insert calls to Write_Itype
	(Write_Itype): New procedure to output itypes

	* par-ch12.adb (P_Formal_Derived_Type_Definition): In Ada 2005, handle
	use of "limited" in declaration.

	* sinfo.ads, sinfo.adb: 
	Formal derived types can carry an explicit "limited" indication.

	* sem_ch3.adb: Add with and use of Targparm.
	(Create_Component): If Frontend_Layout_On_Target is True and the
	copied component does not have a known static Esize, then reset
	the size and positional fields of the new component.
	(Analyze_Component_Declaration): A limited component is
	legal within a protected type that implements an interface.
	(Collect_Interfaces): Do not add to the list the interfaces that
	are implemented by the ancestors.
	(Derived_Type_Declaration): If the parent of the full-view is an
	interface perform a transformation of the tree to ensure that it has
	the same parent than the partial-view. This simplifies the job of the
	expander in order to generate the correct object layout, and it is
	needed because the list of interfaces of the full-view can be given in
	any order.
	(Process_Full_View): The parent of the full-view does not need to be
	a descendant of the parent of the partial view if both parents are
	interfaces.
	(Analyze_Private_Extension_Declaration): If declaration has an explicit
	"limited" the parent must be a limited type.
	(Build_Derived_Record_Type): A derived type that is explicitly limited
	must have limited ancestor and progenitors.
	(Build_Derived_Type): Ditto.
	(Process_Full_View): Verify that explicit uses of "limited" in partial
	and full declarations are consistent.
	(Find_Ancestor_Interface): Remove function.
	(Collect_Implemented_Interfaces): New procedure used to gather all
	implemented interfaces by a type.
	(Contain_Interface): New function used to check whether an interface is
	present in a list.
	(Find_Hidden_Interface): New function used to determine whether two
	lists of interfaces constitute a set equality. If not, the first
	differing interface is returned.
	(Process_Full_View): Improve the check for the "no hidden interface"
	rule as defined by AI-396.

From-SVN: r108295
2005-12-09 18:19:49 +01:00
Robert Dewar
9de61fcb9b a-secain.adb, [...]: Minor reformatting
2005-11-14  Robert Dewar  <dewar@adacore.com>

	* a-secain.adb, a-slcain.adb, a-shcain.adb, a-chtgke.ads, a-chtgke.adb,
	a-stwiha.adb, a-strhas.adb, a-chzla1.ads, a-chzla9.ads, a-stzbou.adb,
	a-stzbou.ads, a-stzfix.adb, a-stzhas.adb, a-stzmap.adb, a-stzmap.ads,
	a-stzsea.adb, a-stzsea.ads, a-stzsup.adb, a-stzsup.ads, a-stzunb.adb,
	a-stzunb.ads, a-szuzha.adb, a-szuzha.ads, a-szuzti.adb, a-szuzti.ads,
	a-ztcoau.adb, a-ztcoau.ads, a-ztcoio.adb, a-ztcstr.adb, a-ztcstr.ads,
	a-ztdeau.adb, a-ztdeau.ads, a-ztdeio.adb, a-ztdeio.ads, a-ztedit.adb,
	a-ztedit.ads, a-ztenau.ads, a-ztenio.adb, a-ztenio.ads, a-ztexio.adb,
	a-ztexio.ads, a-ztfiio.adb, a-ztfiio.ads, a-ztflau.adb, a-ztflau.ads,
	a-ztflio.adb, a-ztflio.ads, a-ztgeau.adb, a-ztgeau.ads, a-ztinau.adb,
	a-ztinau.ads, a-ztinio.adb, a-ztmoau.ads, a-ztmoio.adb, a-ztmoio.ads,
	a-zttest.adb, g-enblsp-vms-alpha.adb, g-enblsp-vms-alpha.adb,
	g-enblsp-vms-ia64.adb, g-enblsp-vms-ia64.adb, system-linux-hppa.ads,
	a-chacon.adb, a-chacon.ads, a-wichun.adb, a-wichun.ads, a-zchuni.adb,
	a-zchuni.ads, g-trasym-vms-alpha.adb, g-trasym-vms-ia64.adb,
	system-hpux-ia64.ads, g-soccon-unixware.ads, g-soliop-unixware.ads,
	g-soccon-interix.ads, g-soliop-solaris.ads, g-eacodu-vms.adb,
	g-expect-vms.adb, g-socthi-vms.adb, g-soliop-mingw.ads,
	a-intnam-unixware.ads, a-intnam-lynxos.ads, a-intnam-tru64.ads,
	a-intnam-aix.ads, a-intnam-linux.ads, a-intnam-linux.ads,
	a-intnam-dummy.ads, a-numaux-libc-x86.ads, a-intnam-interix.ads,
	a-intnam-solaris.ads, a-calend-vms.adb, a-calend-vms.ads,
	a-intnam-vms.ads, a-calend-mingw.adb, a-intnam-mingw.ads,
	a-intnam-vxworks.ads, a-numaux-vxworks.ads, system-unixware.ads,
	system-linux-ia64.ads, a-intnam-freebsd.ads, system-freebsd-x86.ads,
	system-lynxos-ppc.ads, system-linux-x86_64.ads, a-stunha.adb,
	a-cgaaso.ads, a-cgaaso.adb, a-chtgop.adb, a-cgcaso.adb, a-cgarso.adb,
	a-cohata.ads, a-crbtgk.adb, a-crbltr.ads, a-coprnu.adb, a-rbtgso.adb,
	a-intnam-darwin.ads, system-darwin-ppc.ads, gprmake.adb, makegpr.ads,
	system-tru64.ads, system-aix.ads, system-solaris-x86.ads,
	system-irix-o32.ads, s-interr-sigaction.adb, system-irix-n32.ads,
	s-parame-mingw.adb, system-hpux.ads, s-traceb-hpux.adb,
	system-linux-x86.ads, s-inmaop-dummy.adb, system-os2.ads,
	system-interix.ads, system-solaris-sparc.ads,
	system-solaris-sparcv9.ads, s-inmaop-vms.adb,
	s-mastop-vms.adb, expander.adb, expander.ads, s-gloloc-mingw.adb,
	system-mingw.ads, system-vms-zcx.ads, s-osinte-fsu.adb,
	s-traceb-mastop.adb, a-exextr.adb, a-exstat.adb, a-filico.ads,
	a-finali.ads, a-interr.ads, a-intsig.adb, a-intsig.ads,
	a-except.ads, a-numaux-x86.ads, a-astaco.adb, a-calend.adb,
	a-calend.ads, a-chahan.adb, a-chahan.ads, a-chlat9.ads,
	a-colien.adb, a-colien.ads, a-colire.adb, a-colire.ads,
	a-comlin.adb, a-comlin.ads, a-cwila1.ads, a-cwila9.ads,
	a-elchha.adb, a-decima.adb, a-decima.ads, a-diocst.ads,
	a-direio.adb, a-direio.ads, a-excach.adb, a-excach.adb,
	a-exctra.ads, ali-util.adb, a-ngcefu.adb, a-ngcoty.adb,
	a-ngcoty.ads, a-nudira.adb, a-nudira.ads, a-nuflra.adb,
	a-numaux.ads, a-reatim.ads, a-sequio.adb, a-sequio.ads,
	a-siocst.ads, a-ssicst.ads, a-stmaco.ads, a-storio.adb,
	a-strbou.adb, a-strbou.ads, a-stream.ads, a-strfix.adb,
	a-strmap.adb, a-strmap.ads, a-strsea.adb, a-strsea.ads,
	a-strsup.adb, a-strsup.ads, a-strunb.adb, a-strunb.ads,
	a-stwibo.adb, a-stwibo.ads, a-stwifi.adb, a-stwima.adb,
	a-stwima.ads, a-stwise.adb, a-stwise.ads, a-stwisu.adb,
	a-stwisu.ads, a-stwiun.adb, a-stwiun.ads, a-suteio.adb,
	a-suteio.ads, a-swmwco.ads, a-swuwti.adb, a-swuwti.ads,
	a-sytaco.adb, a-sytaco.ads, a-tasatt.adb, a-taside.adb,
	a-taside.ads, a-teioed.adb, a-textio.adb, a-textio.ads,
	a-ticoau.adb, a-ticoau.ads, a-ticoio.adb, a-tideau.adb,
	a-tideio.adb, a-tienau.adb, a-tienio.adb, a-tifiio.adb,
	a-tiflio.adb, a-tigeau.adb, a-tigeau.ads, a-tiinau.adb,
	a-tiinio.adb, a-timoau.adb, a-timoio.adb, a-timoio.ads,
	a-tiocst.ads, a-titest.adb, atree.adb, a-witeio.adb,
	a-witeio.ads, a-wtcoau.adb, a-wtcoau.ads, a-wtcoio.adb,
	a-wtcstr.ads, a-wtdeau.adb, a-wtdeio.adb, a-wtedit.adb,
	a-wtedit.ads, a-wtenau.adb, a-wtenio.adb, a-wtfiio.adb,
	a-wtflio.adb, a-wtgeau.adb, a-wtinau.adb, a-wtinio.adb,
	a-wtmoau.adb, a-wtmoio.adb, a-wttest.adb, back_end.adb,
	bindgen.adb, butil.adb, butil.ads, checks.ads, cio.c, comperr.adb,
	csets.ads, cstand.adb, debug.ads, elists.ads, errno.c, errout.adb,
	errout.ads, erroutc.adb, erroutc.ads, errutil.adb, errutil.ads,
	errutil.ads, err_vars.ads, eval_fat.adb, exp_ch11.adb, exp_ch11.ads,
	exp_ch2.adb, exp_ch7.ads, exp_imgv.ads, exp_pakd.adb, exp_prag.adb,
	exp_prag.ads, exp_tss.adb, exp_tss.ads, exp_vfpt.ads, fe.h, fmap.adb,
	freeze.ads, frontend.adb, frontend.ads, g-arrspl.adb, g-arrspl.ads,
	g-awk.adb, g-awk.ads, g-boumai.ads, g-calend.adb, g-calend.ads,
	g-catiio.adb, g-comlin.adb, g-comlin.ads, g-comlin.ads, g-comlin.ads,
	g-comver.adb, g-crc32.adb, g-crc32.ads, g-ctrl_c.ads, g-curexc.ads,
	g-debpoo.ads, g-debuti.adb, g-diopit.adb, g-diopit.ads, g-dirope.adb,
	g-dirope.ads, g-dyntab.adb, g-dyntab.ads, g-excact.adb, g-excact.ads,
	g-except.ads, g-exctra.adb, g-exctra.ads, g-expect.ads, g-flocon.ads,
	g-hesorg.ads, g-io.adb, g-locfil.ads, g-md5.adb, g-md5.ads, g-md5.ads,
	g-moreex.adb, g-signal.ads, g-signal.adb, gnatbind.ads, gnatchop.adb,
	gnatcmd.adb, gnatfind.adb, gnatlbr.adb, gnatmake.ads, gnatmem.adb,
	gnatprep.adb, gnatprep.ads, gnatsym.adb, gnatxref.adb, g-os_lib.adb,
	g-os_lib.ads, g-pehage.adb, g-pehage.ads, gprep.ads, g-regexp.adb,
	g-regexp.ads, g-regist.adb, g-regist.ads, g-regpat.ads, g-semaph.adb,
	g-socthi.adb, g-soliop.ads, g-spipat.adb, g-spipat.ads, g-sptabo.ads,
	g-sptain.ads, g-sptavs.ads, g-string.ads, g-tasloc.adb, g-tasloc.ads,
	g-trasym.adb, g-trasym.ads, i-fortra.adb, i-fortra.ads, inline.adb,
	layout.adb, live.adb, make.ads, makeutl.ads, makeutl.adb, mdll-fil.adb,
	mdll-fil.ads, mdll-utl.ads, memroot.ads, memtrack.adb, mlib.ads,
	mlib-fil.adb, mlib-fil.ads, mlib-prj.ads, mlib-utl.adb, mlib-utl.ads,
	nlists.adb, nlists.ads, osint.adb, osint.ads, osint-c.adb, osint-l.adb,
	osint-l.ads, osint-m.ads, output.adb, par.adb, par.adb, par.ads,
	par-ch11.adb, par-ch12.adb, par-ch2.adb, par-ch4.adb, par-ch5.adb,
	par-ch6.adb, par-ch9.adb, par-endh.adb, par-labl.adb, par-load.adb,
	par-tchk.adb, prep.adb, prepcomp.adb, prepcomp.ads, prj-attr.ads,
	prj-com.ads, prj-dect.adb, prj-dect.ads, prj-env.ads, prj-err.ads,
	prj-ext.ads, prj-makr.adb, prj-makr.ads, prj-nmsc.ads, prj-pars.adb,
	prj-pars.ads, prj-part.ads, prj-pp.ads, prj-proc.ads, prj-strt.adb,
	prj-strt.ads, prj-tree.adb, prj-util.adb, prj-util.ads, rtsfind.adb,
	sem.adb, sem.ads, sem_case.adb, sem_case.ads, sem_ch11.adb,
	sem_ch4.adb, sem_ch6.ads, sem_ch7.ads, sem_dist.ads, sem_elab.ads,
	sem_elim.ads, sem_eval.ads, sem_intr.ads, sem_maps.adb, sem_maps.ads,
	sem_maps.ads, sem_res.ads, sem_type.ads, sfn_scan.adb, sfn_scan.ads,
	s-imgwch.ads, s-imgwiu.adb, s-imgwiu.ads, s-inmaop.ads, sinput.adb,
	sinput.ads, s-pack03.adb, s-pack03.ads, s-pack05.adb, s-pack05.ads,
	s-pack06.adb, s-pack06.ads, s-pack07.adb, s-pack07.ads, s-pack09.adb,
	s-pack09.ads, s-pack10.adb, s-pack10.ads, s-pack11.adb, s-pack11.ads,
	s-pack12.adb, s-pack12.ads, s-pack13.adb, s-pack13.ads, s-pack14.adb,
	s-pack14.ads, s-pack15.adb, s-pack15.ads, s-pack17.adb, s-pack17.ads,
	s-pack18.adb, s-pack18.ads, s-pack19.adb, s-pack19.ads, s-pack20.adb,
	s-pack20.ads, s-pack21.adb, s-pack21.ads, s-pack22.adb, s-pack22.ads,
	s-pack23.adb, s-pack23.ads, s-pack24.adb, s-pack24.ads, s-pack25.adb,
	s-pack25.ads, s-pack26.adb, s-pack26.ads, s-pack27.adb, s-pack27.ads,
	s-pack28.adb, s-pack28.ads, s-pack29.adb, s-pack29.ads, s-pack30.adb,
	s-pack30.ads, s-pack31.adb, s-pack31.ads, s-pack33.adb, s-pack33.ads,
	s-pack34.adb, s-pack34.ads, s-pack35.adb, s-pack35.ads, s-pack36.adb,
	s-pack36.ads, s-pack37.adb, s-pack37.ads, s-pack38.adb, s-pack38.ads,
	s-pack39.adb, s-pack39.ads, s-pack40.adb, s-pack40.ads, s-pack41.adb,
	s-pack41.ads, s-pack42.adb, s-pack42.ads, s-pack43.adb, s-pack43.ads,
	s-pack44.adb, s-pack44.ads, s-pack45.adb, s-pack45.ads, s-pack46.adb,
	s-pack46.ads, s-pack47.adb, s-pack47.ads, s-pack48.adb, s-pack48.ads,
	s-pack49.adb, s-pack49.ads, s-pack50.adb, s-pack50.ads, s-pack51.adb,
	s-pack51.ads, s-pack52.adb, s-pack52.ads, s-pack53.adb, s-pack53.ads,
	s-pack54.adb, s-pack54.ads, s-pack55.adb, s-pack55.ads, s-pack56.adb,
	s-pack56.ads, s-pack57.adb, s-pack57.ads, s-pack58.adb, s-pack58.ads,
	s-pack59.adb, s-pack59.ads, s-pack60.adb, s-pack60.adb, s-pack60.ads,
	s-pack61.adb, s-pack61.ads, s-pack62.adb, s-pack62.ads, s-pack63.adb,
	s-pack63.ads, s-parint.adb, s-parint.adb, s-parint.ads, sprint.ads,
	s-purexc.ads, s-restri.ads, s-restri.adb, s-scaval.adb, s-scaval.ads,
	s-secsta.adb, s-secsta.ads, s-sequio.adb, s-sequio.ads, stand.ads,
	s-tasuti.adb, s-traceb.adb, s-traceb.ads, stringt.adb, stringt.ads,
	styleg.ads, s-valboo.adb, s-valboo.ads, s-valcha.adb, s-valcha.ads,
	s-valdec.adb, s-valdec.ads, s-valint.adb, s-valint.ads, s-valint.ads,
	s-vallld.adb, s-vallld.ads, s-vallli.adb, s-vallli.ads, s-valllu.adb,
	s-valllu.ads, s-valrea.adb, s-valrea.ads, s-valuns.adb, s-valuns.ads,
	s-valuti.adb, s-valuti.ads, s-valwch.ads, s-veboop.adb, s-veboop.ads,
	s-vercon.adb, s-vercon.ads, s-wchcnv.adb, s-wchcnv.ads, s-wchcon.ads,
	s-wchjis.adb, s-wchjis.ads, s-wchstw.adb, s-wchstw.adb, s-wchstw.ads,
	s-wchwts.adb, s-wchwts.ads, s-widboo.adb, s-widboo.ads, s-widcha.adb,
	s-widcha.ads, s-widenu.adb, s-widenu.ads, s-widlli.adb, s-widlli.ads,
	s-widllu.adb, s-widllu.ads, s-widwch.adb, s-widwch.ads, s-wwdcha.adb,
	s-wwdcha.ads, s-wwdenu.adb, s-wwdenu.ads, symbols.adb, symbols.ads,
	table.ads, targparm.adb, targparm.ads, tb-alvms.c, tb-alvxw.c,
	tbuild.adb, tree_io.ads, treepr.adb, treeprs.adt, ttypef.ads,
	ttypes.ads, types.adb, uintp.adb, uintp.ads, uname.ads, urealp.ads,
	usage.ads, validsw.ads, vxaddr2line.adb, widechar.adb, widechar.ads,
	xeinfo.adb, xnmake.adb, xref_lib.ads, xr_tabls.adb, xr_tabls.ads,
	xsinfo.adb, xtreeprs.adb, xsnames.adb, vms_conv.ads, vms_conv.adb,
	a-dirval.ads, a-dirval.adb, a-dirval-mingw.adb, a-direct.ads,
	a-direct.adb, indepsw.ads, prj-attr-pm.ads, system-linux-ppc.ads,
	a-numaux-darwin.ads, a-numaux-darwin.adb,
	a-swuwha.ads, a-stunha.ads: Minor reformatting

From-SVN: r107016
2005-11-15 15:06:45 +01:00
R. Kelley Cook
cb5fee25cd Update FSF address
From-SVN: r101492
2005-07-01 01:29:17 +00:00
Ed Schonberg
edd63e9bac einfo.ads, einfo.adb (Is_Local_Anonymous_Access): New flag on anonymous access types...
2005-06-14  Ed Schonberg  <schonberg@adacore.com>
	    Javier Miranda  <miranda@adacore.com>
	    Thomas Quinot  <quinot@adacore.com>
	    Robert Dewar  <dewar@adacore.com>
	    Hristian Kirtchev  <kirtchev@adacore.com>
	    Gary Dismukes  <dismukes@adacore.com>

	* einfo.ads, einfo.adb (Is_Local_Anonymous_Access): New flag on
	anonymous access types, to indicate that the accessibility level of
	the type is determined by that of the enclosing declaration.
	(Has_Persistent_BSS): New flag
	(Set_Is_Primitive_Wrapper): Upgrade the barrier to allow the usage
	of this attribute with functions.
	(Is_Primitive_Wrapper): Remove the barrier.
	(Has_Specified_Stream_Input, Has_Specified_Stream_Output,
	Has_Specified_Stream_Read, Has_Specified_Stream_Write):
	New subprograms.
	(Set_Has_Specified_Stream_Input, Set_Has_Specified_Stream_Output,
	Set_Has_Specified_Stream_Read, Set_Has_Specified_Stream_Write):
	New subprograms.
	(Is_Pure_Unit_Access_Type): New flag
	(Abstract_Interfaces): Complete the assertion to cover all usages.
	(Set_Is_Interface): Complete the assertion to cover all usages.
	(Is_Primitive_Wrapper): New attribute.
	(Is_Obsolescent): Now applies to all entities (though it is only set
	for subprograms currently)
	New flag:  Has_Constrained_Partial_View, to implemente Ada 2005 AI-363,
	which solves various problems concerning access subtypes.
	(Has_Persistent_BSS): New flag
	(Is_Primitive_Wrapper, Set_Primitive_Wrapper): Code cleanup.
	Remove these subprograms because this attribute is currently
	not used.
	New entity flags:
	Has_Specified_Stream_Input (Flag190)
	Has_Specified_Stream_Output (Flag191)
	Has_Specified_Stream_Read (Flag192)
	Has_Specified_Stream_Write (Flag193)
	Present in all type and subtype entities. Set for a given view if the
	corresponding stream-oriented attribute has been defined by an
	attribute definition clause. When such a clause occurs, a TSS is set
	on the underlying full view; the flags are used to track visibility of
	the attribute definition clause for partial or incomplete views.
	(Is_Pure_Unit_Access_Type): New flag
	Clarify use of Is_Internal.
	(Is_Primitive_Wrapper): New attribute present in primitive subprograms
	internally generated to wrap the invocation of tasks and protected
	types that implement interfaces.
	(Implementation_Base_Type): Documentation correction
	(Is_Obsolescent): Now applies to all entities (though it is only set
	for subprograms currently)
	New flag:  Has_Constrained_Partial_View, to implement Ada 2005 AI-363,
	which solves various problems concerning access subtypes.

	* exp_ch9.adb (Type_Conformant_Parameters): Introduce mode conformance
	for examined parameters. Identify unequal parameter list lengths as
	non-conformant parameters.
	(Overriding_Possible): Do not check for "All" qualifier in declaration
	of controlling access parameter, following prescription of AI-404.
	(Build_Entry_Wrapper_Spec, Build_Entry_Wrapper_Body): New subprograms
	that build the procedure body that wraps an entry invocation
	(Build_Corresponding_Record, Build_Protected_Sub_Specification,
	Expand_N_Protected_Body, Expand_N_Protected_Type_Declaration,
	Expand_N_Task_Body, Expand_N_Task_Type_Declaration): Modified to
	give support to abstract interface types

	* freeze.adb (Freeze_Entity): Issue error message if
	Is_Pure_Unit_Access_Type set, unless we are in Ada 2005 mode and the
	type has no storage pool (Ada 2005) AI-366.
	Also modified to give support to abstract interface types
	(Freeze_Subprogram): Issue an error for a dispatching subprogram with an
	Inline_Always pragma.

	* par-ch9.adb (P_Task_Items): Reserved words "not" or "overriding" may
	now begin an entry declaration.
	(P_Entry_Or_Subprogram_With_Indicator): New procedure in
	P_Protected_Operation_Declaration_Opt. Parse an entry declaration or
	a subprogram declaration preceded by an overriding indicator.
	(P_Protected_Operation_Declaration_Opt): Add case for parsing entry
	declarations or subprogram declarations preceded by reserved words
	"not" or "overriding".
	(P_Entry_Declaration): Update comment. Parse and check overriding
	indicator, set semantic flags of entry declarations.
	(P_Task): New error message in case of private applied
	to a task type declaration.
	(P_Protected): New error message in case of private applied
	to a task type declaration.

	* sem_ch7.adb (Preserve_Full_Attributes): Modified to handle the case
	in which the full view of a type implementing an interface is a
	concurrent type.
	(Has_Overriding_Pragma): Remove obsolete implementation of AI-218.
	Declare_Inherited_Private_Subprograms): If an explicit operation
	overrides an operation that is inherited in the private part, mark the
	explicit one as overriding, to enable overriding indicator checks.
	(Preserve_Full_Attributes): Propagate Is_Unchecked_Union attribute from
	full view to partial view, to simplify handling in back-end.

	* sprint.adb: Print interface lists where needed: derived types,
	protected types, task types.
	output "is null" for null procedures. Part of implementation of

	* sem_cat.adb (Validate_Access_Type_Declaration): Implement AI-366
	relaxation of rules for access types in pure, shared passive partitions.

	* exp_strm.adb (Build_Mutable_Record_Read_Procedure): Reorganize to
	first read discriminants into temporary objects, performing checks on
	the read values, then possibly performing discriminant checks on the
	actual (if it is constrained), and only finally reading the components
	into a constrained temporary object.
	(Build_Elementary_Input_Call): Adjust the specific circuitry for the
	case of reading discriminants of a mutable record type to recognize
	the new form of the code generated by
	Build_Mutable_Record_Read_Procedure.

	* exp_tss.ads, exp_tss.adb (Make_Init_Proc_Name): Reimplement in terms
	of a simple call to Make_TSS_Name.
	(Make_TSS_Name_Local): Add the TSS name as the last thing in the name
	buffer, in order for Is_TSS to work correctly on local TSS names.

	* sem_attr.ads, sem_attr.adb (Resolve_Attribute, case 'Access): Use flag
	Is_Local_Anonymous_Access to check legaliy of attributes in the
	context of  access components and stand-alone access objects.
	(Stream_Attribute_Available): In Ada 95 mode, a stream attribute is
	treated as available for a limited private type if there is an
	attribute_definition_clause that applies to its full view, but not in
	other cases where the attribute is available for the full view
	(specifically, the sole fact that the full view is non-limited does not
	make the attribute available for the partial view).
	(Build_Access_Subprogram_Type): Diagnose attempt to apply 'access to a
	non-overloaded intrinsic subprogram.
	(Check_Stream_Attribute): Reject an attribute reference for an
	unavailable stream attribute even if the prefix is not a limited type
	(case of a 'Input attribute reference for an abstract, non-classwide
	type)
	(Stream_Attribute_Available): New function to determine whether a stream
	attribute is available at a place.
	(Check_Attribute): Use Stream_Attribute_Available instead of just
	testing for TSS presence on the implementation base type.
	(Analyze_Attribute): Modified to give support to task interfaces.
	(Analyze_Access_Attribute): Add error check for use of an Access (or
	Unrestricted_Access) attribute with a subprogram marked as
	Inline_Always.
	(Analyze_Attribute, case Attribute_Address): Add error check for use of
	an Address attribute with a subprogram marked as Inline_Always.
	Update Eval_Attribute to handle new value of Width from AI-395

	* sem_ch13.adb (Analyze_Stream_TSS_Definition): New subprogram.
	(Analyze_Attribute_Definition_Clause, cases Input, Output, Read, Write):
	Factor common code across the stream-oriented attribute circcuits into
	a new subprogram, Analyze_Stream_TSS_Definition. The new uniform
	processing is functionally identical to the previous duplicated one,
	except that an expression that denotes an abstract subprogram will now
	be rejected, as mandated by AI-195 item 5.

	* sem_util.ads, sem_util.adb (Type_Access_Level): Use flag
	Is_Local_Anonymous_Access to apply accessibility checks to access
	components and stand-alone access objects.
	(Has_Discriminant_Dependent_Constraint): Moved to spec for use
	elsewhere.
	(Is_Potentially_Persistent_Type): New function
	(Is_Dependent_Component_Of_Mutable_Object): If the enclosing object is
	a heap-object whose type has a constrained partial view, the object is
	unconstrained and the component may depend on a discriminant, making its
	renaming illegal.

	* sinfo.ads, sinfo.adb
	(Must_Not_Override): Flag applicable to N_Entry_Declaration.
	(Must_Override): Flag applicable to N_Entry_Declaration.
	Indicate that interface_list can appear in single task and single
	protected declarations.
	Replace Is_Overriding and Not_Overriding with Must_Override and
	Must_Not_Override, to better express intent of AI.
	Is_Overriding, Not_Overriding: Ada2005 flags that indicate the presence
	of an overriding indicator in a subprogram or instance.
	Ada 2005 (AI-248) Null_Present can appear in a procedure specification.
	Add the overriding indicator [[not] overriding] construct to the
	following grammar productions:
	 ENTRY_DECLARATION
	 GENERIC_INSTANTIATION
	 SUBPROGRAM_SPECIFICATION

	* par-ch10.adb (P_Compilation_Unit): Subprogram declaration or body
	can start with an overriding indicator.

	* par-ch6.adb (P_Subprogram): Recognize overriding indicator, and set
	flags accordingly on subrogram specifications or instances.

	* sem_ch8.adb:
	(Analyze_Subprogram_Renaming): For a renaming_as_body, verify that the
	overriding_indicator, if present, is consistent with status of spec.
	Improve error message for null-excluding checks on controlling access
	parameters.
	(Check_In_Previous_With_Clause): Protect the frontend against
	previously reported critical errors in the context clauses.
	Save and restore Ada_Version_Explicit, for implementation of AI-362
	(Analyze_Subprogram_Renaming): If the new entity is a dispatching
	operation verify that controlling formals of the renamed entity that
	are access parameters are explicitly non-null.
	(Find_Expanded_Name): Improve error message when prefix is an illegal
	reference to a private child unit.

	* exp_imgv.adb, s-imgwch.ads, s-imgwch.adb, s-valwch.adb,
	s-valwch.ads, s-widwch.adb, s-widwch.ads, s-wwdcha.adb, s-wwdwch.adb:
	Rewrite to correspond to new wide character names in AI-395

        * par-ch12.adb (P_Formal_Subprogram_Declaration): Recognize null
        default procedures.

From-SVN: r101029
2005-06-16 10:35:26 +02:00
Robert Dewar
a276fddfdb par-ch12.adb (P_Generic): Give better msg for illegal private generic child.
2005-03-29  Robert Dewar  <dewar@adacore.com>

	* par-ch12.adb (P_Generic): Give better msg for illegal private generic
	child.

From-SVN: r97177
2005-03-29 18:17:25 +02:00
Javier Miranda
a9d8907c20 atree.ads, atree.adb: Add support for Elist24 field
2005-03-08  Javier Miranda  <miranda@adacore.com>
	    Robert Dewar  <dewar@adacore.com>
	    Thomas Quinot  <quinot@adacore.com>
	    Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

	* atree.ads, atree.adb: Add support for Elist24 field

	* atree.h: Fix wrong definition of Field27
	Add support for Elist16 field
	Add support for Elist24 field

	* einfo.ads, einfo.adb (Abstract_Interfaces,
	Set_Abstract_Interfaces): New subprograms.
	(Abstract_Interface_Alias, Set_Abstract_Interface_Alias): New
	subprograms.
	(Access_Disp_Table, Set_Access_Disp_Table): Modified to handle a list of
	entities rather than a single node.
	(Is_Interface, Set_Is_Interface): New subprogram
	(First_Tag_Component): New syntesized attribute
	(Next_Tag_Component): New synthesized attribute
	(Write_Entity_Flags): Upgraded to write Is_Interface
	(Write_Field24_Name): Upgraded to write Abstract_Interfaces
	(Write_Field25_Name): Upgraded to write Abstract_Interface_Alias
	(Task_Body_Procedure): New subprogram to read this attribute.
	(Set_Task_Body_Procedure): New subprogram to set this attribute.
	(Has_Controlled_Component): Now applies to all entities.
	This is only a documentation change, since it always worked to apply
	this to other than composite types (yielding false), but now this is
	official.
	Update documentation on Must_Be_Byte_Aligned for new spec

	* tbuild.adb, exp_dist.adb, exp_disp.adb, exp_ch3.ads, exp_ch3.adb,
	exp_attr.adb, exp_aggr.adb, exp_ch4.adb, exp_ch5.adb: Upgrade all the
	uses of the Access_Disp_Table attribute to reference the first dispatch
	table associated with a tagged type. As
	part of the implementation of abstract interface types,
	Access_Disp_Table has been redefined to contain a list of dispatch
	tables (rather than a single dispatch table).
	Similarly, upgrade all the references to Tag_Component by the
	new attribute First_Tag_Component.
	(Find_Inherited_TSS): Moved to exp_tss.
	Clean up test in Expand_N_Object_Declaration for cases
	where we need to do a separate assignment of the initial value.
	(Expand_N_Object_Declaration): If the expression in the
	declaration of a tagged type is an aggregate, no need to generate an
	additional tag assignment.
	(Freeze_Type): Now a function that returns True if the N_Freeze_Entity
	is to be deleted.
	Bit packed array ops are only called if operands are known to be
	aligned.
	(Component_Equality): When returning an N_Raise_Program_Error statement,
	ensure that its Etype is set to Empty to avoid confusing GIGI (which
	expects that only expressions have a bona fide type).
	(Make_Tag_Ctrl_Assignment): Use Build_Actual_Subtype to correctly
	determine the amount of data to be copied.

	* par.adb (P_Interface_Type_Definition): New subprogram that parses the
	new syntax rule of Ada 2005 interfaces (for AI-251 and AI-345):
	    INTERFACE_TYPE_DEFINITION ::=
	      [limited | task | protected | synchronized] interface
	        [AND interface_list]

	* par-ch3.adb (P_Type_Declaration): Modified to give support to
	interfaces.
	(P_Derived_Type_Def_Or_Private_Ext_Decl): Modified to give support to
	interfaces.
	(P_Interface_Type_Definition): New subprogram that parses the new
	syntax rule of Ada 2005 interfaces
	(P_Identifier_Declarations): fix two occurrences of 'RENAMES' in error
	messages by the correct RENAMES (quotes removed).

	* sem_prag.adb: Upgrade all the references to Tag_Component by the new
	attribute First_Tag_Component.

	* sinfo.ads, sinfo.adb: Remove OK_For_Stream flag, not used, not needed
	(Interface_List, Set_Interface_List): New subprograms.
	(Interface_Present, Set_Interface_Present): New subprograms.
	(Limited_Present, Set_Limited_Present): Available also in derived
	type definition nodes.
	(Protected_Present, Set_Protected_Present): Available also in
	record type definition and
	derived type definition nodes.
	(Synchronized_Present, Set_Synchronized_Present): New subprograms.
	(Task_Present, Set_Task_Present): New subprogram.
	(Task_Body_Procedure): Removed.
	(Set_Task_Body_Procedure): Removed.
	These subprogram have been removed because the attribute
	Task_Body_Procedure has been moved to the corresponding task type
	or task subtype entity to leave a field free to store the list
	of interfaces implemented by a task (for AI-345)
	Add Expression field to N_Raise_Statement node for Ada 2005 AI-361
	(Null_Exclusion_Present): Change to Flag11, to avoid conflict with
	expression flag Do_Range_Check
	(Exception_Junk): Change to Flag7 to accomodate above change
	(Box_Present, Default_Name, Specification, Set_Box_Present,
	Set_Default_Name, Set_Specification): Expand the expression
	"X in N_Formal_Subprogram_Declaration" into the corresponding
	two comparisons. Required to use the csinfo tool.

	* exp_ch11.adb (Expand_N_Raise_Statement): Deal with case where
	"with string" given.

        * sem_ch11.adb (Analyze_Raise_Statement): Handle case where string
        expression given.

	* par-ch11.adb (P_Raise_Statement): Recognize with string expression
	in 2005 mode

	* exp_ch9.adb (Build_Task_Proc_Specification): Modified to use entity
	attribute Task_Body_Procedure rather than the old semantic field that
	was available in the task_type_declaration node.

	* par-ch12.adb (P_Formal_Type_Definition): Modified to handle formal
	interface type definitions.
	(P_Formal_Derived_Type_Definition): Modified to handle the list of
	interfaces.

	* par-ch9.adb (P_Task): Modified to handle the list of interfaces in a
	task type declaration.
	(P_Protected): Modified to handle the list of interfaces in a
	protected type declaration.

From-SVN: r96489
2005-03-15 16:54:14 +01:00
Robert Dewar
82c8073471 g-zstspl.ads: New file.
2005-02-09  Robert Dewar  <dewar@adacore.com>
	    Thomas Quinot  <quinot@adacore.com>
	    Javier Miranda  <miranda@adacore.com>
	    Pascal Obry  <obry@adacore.com>
	    Ed Schonberg  <schonberg@adacore.com>
	    Doug Rupp  <rupp@adacore.com>
	    Gary Dismukes  <dismukes@adacore.com>
	    Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

	* g-zstspl.ads: New file.

	* a-chahan.ads, a-chahan.adb: Add declarations from AI-285

	* a-string.ads: Add pragma Ada_05 for wide_wide_space to get warning in
	Ada 95 mode
	Add definition of Wide_Wide_Space for AI-285

	* impunit.ads, impunit.adb, sem_ch10.adb: Complete rewrite and new
	interface (to support Ada 95 and Ada 2005 units).
	Add Unbounded_IO files
	Add entries for Wide_Wide packages for AI-285
	Add list of containers packages to Ada 2005 unit list

	* a-swuwti.ads, a-swuwti.adb, a-suteio.ads, a-suteio.adb: Updates to
	support new Unbounded_IO package cleanly.

	* g-utf_32.ads, g-utf_32.adb: New files.

	* Makefile.rtl: Add entry for g-utf_32
	Add new files for Unbounded_IO
	Adjust make file for new AI-285 wide wide packages
	Add AI-302 containers to the run time.

	* a-stwibo.adb, a-stwibo.ads, a-stwisu.adb, a-stwisu.ads,
	a-strbou.ads, a-strbou.adb, a-strsup.ads, a-strsup.adb: New
	subprograms for AI-301.

	* a-stwiun.adb, a-stwiun.ads: Minor reformatting.

	* a-stunau.ads: Minor comment correction

	* rtsfind.ads, rtsfind.adb: Add definitions for Wide_Wide attributes
	etc.
	Also extend Text_IO_Kludge to support Wide_Wide_Text_IO
	(Check_RPC): Update to match changes in expanded code.
	Clean up unused entity.

	* exp_ch3.ads, exp_ch3.adb: Fix various places where Wide_Wide_String
	was not taken into account.
	This includes proper initialization with Normalize_Scalars.
	(Get_Simple_Init_Val): Major rewrite for initialize scalars and
	normalize scalars cases (particularly the latter) to do a better job
	of finding invalid representations.

	* s-scaval.ads, s-scaval.adb: Add values for zero invalid values

	* s-strops.ads, s-strops.adb: Remove string normalize routines, never
	used

	* exp_dist.adb: Add support for wide wide character type
	(Expand_Receiving_Stubs_Bodies): For a package declaration that has a
	private part, generate stub bodies at the end of the private part,
	not the visible part.
	(Add_RACW_Primitive_Operations_And_Bodies): Add last missing code for
	PolyORB support.
	(Add_Obj_RPC_Receiver_Completion): Add PCS-specific subprograms and
	generic wrapper to execute final processing after completing the
	expansion of the RPC receiver for an RACW.

	* snames.h, snames.ads, snames.adb: Add definitions for wide_wide
	packages and attributes.
	(Preset_Names): Addition of the new reserved words of Ada 2005,
	that is interface, overriding and synchronized.
	(Get_Pragma_Id): Give support to the use of the new reserved word
	"interface" as a pragma name.
	(Is_Pragma_Name): Give support to the use of the new reserved word
	"interface" as a pragma name.
	(Preset_Names): Add stream_size string for the Stream_Size Ada2005
	attribute implementation.

	* exp_attr.adb (Expand_Attribute_Reference): Do not apply validity
	checks to entities that are output parameters of Asm operations.
	Handle the Stream_Size attribute.
	Add implementation of Wide_Wide_Value, Wide_Wide_Image, Wide_Wide_Width

	* exp_imgv.ads, exp_imgv.adb: Add support for wide wide character type

	* sem_attr.adb (Eval_Attribute): Raise compile-time constraint error
	for second parameter being 0.0.
	Add support for wide wide character type.
	(Analyze_Attribute, Eval_Attribute): Handle the Stream_Size attribute.

	* s-valwch.adb, s-valwch.ads, s-imgwch.ads, s-imgwch.adb,
	s-wchstw.ads, s-wchstw.adb, s-wchwts.adb, s-wchwts.ads,
	s-widwch.adb, s-widwch.ads, s-wwdcha.adb, s-wwdcha.ads,
	s-wwdenu.adb, s-wwdenu.ads, s-wwdwch.adb, s-wwdwch.ads: Add support
	for wide wide character cases.

	* cstand.adb: Create entities for Wide_Wide_Character and
	Wide_Wide_String.

	* i-c.ads, i-c.adb: Fix not raising CE for null wide strings in
	accordance with AI-258.
	Add new declarations for 16/32 bit C character types (Part of AI285)

	* einfo.ads, einfo.adb (Is_Obsolescent, Is_Ada_2005): New flag
	(Obsolescent_Warning): New field
	(Rep_Clause): New local subprogram used to share code. Returns the rep
	clause for which the name is given in parameter.
	(Has_Stream_Size_Clause): New routine.
	(Stream_Size_Clause): Idem. Implementation is based on Rep_Clause.
	(Address_Clause): Implementation is now using Rep_Clause.
	(Alignment_Clause): Idem.
	(Size_Clause): Idem.

	* lib-xref.adb (Generate_Reference): Test for reference to Ada 2005
	entity in non-Ada 2005 mode and generate warning.

	* par-prag.adb: Add handling of one argument form for pragma Ada_05.
	(Prag): Code cleanup. Remove old gnat pragma "overriding"

	* sem_prag.adb: Add handling of one argument form for pragma Ada_05
	(Analyze_Pragma, case Elaborate, Elaborate_All): Do not disable warnings
	on the named unit if the pragma is not in the current compilation unit,
	so that elaboration calls in the current unit can set up an elaboration
	dependency on the named unit, as needed.
	(Analyze_Pragma, case Obsolescent): Allow pragma to be used for library
	subprogram as well as for subprograms declared within a package.
	(Analyze_Pragma, Sig_Flags): Code cleanup. Remove support for the GNAT
	pragma overriding.

	* krunch.ads, krunch.adb: Add special handling of Wide_Wide (krunched
	to z) to avoid some instances of duplication for Wide_Wide packages.

	* namet.ads, namet.adb: Implement encoding (WWhhhhhhhh) for wide wide
	characters.

	* scn.adb: Char_Literal_Value field is now a Uint

	* scng.adb: Significant rewrite to handle new Ada 2005 features
	allowing wide and wide wide characters in program text, e.g. for
	identifiers, as described in AI-285.
	(Set_Reserved): New procedure, makes setting up keywords cleaner.
	(Initialize_Scanner): Register the new reserved words of Ada 2005.
	(Scan): Give support to the new reserved words.

	* par-ch2.adb (P_Identifier): Compiling in Ada95 mode, generate a
	warning notifying that interface, overriding, and synchronized are
	new reserved words.
	(P_Pragma): Allow the use of the new reserved word "interface" as
	a pragma name.

	* gnatls.adb, gnatbind.adb,
	ali-util.adb, binde.adb, ali.ads, ali.adb: Code cleanup. Rename
	identifiers named "interface" to "SAL_Interface".

	* bindgen.adb (Gen_Main_Ada): Add support for the new SEH
	(Structured Exception handling).
	(Gen_Main_C): Idem.

	* bindgen.adb:
	(Gen_Main_Ada): Set the default exit code if specified.
	(Gen_Main_C): Likewise.
	Part of *DC20-006.
	(Gen_Output_File_C): Remove redundant output of gnat_exit_status.
	Code cleanup. Rename identifiers named "interface" to "SAL_Interface"

	* switch-b.adb, bindusg.adb, opt.ads, vms_data.ads: Add handling of
	new -Xnnn switch.

	* mlib-prj.adb, mlib.adb: Code cleanup. Rename one identifier that
	has a collision with the new Ada 2005 "interface" reserved word.

	* par-ch3.adb (P_Defining_Identifier): Compiling in Ada95 mode,
	generate a warning notifying that interface, overriding, and
	synchronized are new reserved words.

	* scans.ads (Token_Type): Addition of the tokens corresponding to the
	new reserved words of Ada 2005: Tok_Interface, Tok_Overriding
	and Tok_Synchronized.

	* sem_res.adb (Resolve_Actuals): Change error messages to refer to
	"dispatching" rather than "primitive" operations, since dispatching
	calls are now allowed to abstract formal subprograms (which are not
	primitive).
	Char_Literal_Value field is now a Uint
	(Resolve_Slice): If the prefix is an access to an unconstrained array,
	compute the actual subtype of the designated object to impose the proper
	index constraints.
	(Resolve_Selected_Component): Do not insert an access check if the
	prefix is an access type: such a node is expanded into an explicit
	dereference, on which the access check is performed anyway. Removes
	expensive duplicate checks.
	(Resolve_Call): Use new flag Is_Obsolescent and field
	Obsolescent_Warning so that pragma Obsolescent works on library
	subprograms.
	Add support for wide wide character type
	(Resolve_Allocator): Replace the error message on wrong null-exclusion
	value by a warning message.
	(Resolve_Type_Conversion): If the mixed-mode expression is interpreted
	as fixed-point, and one of the operands is non-static and universal, it
	can only be an illegal exponentiation operation, in which case there is
	no real value to retrieve.

	* exp_strm.adb: Add support for wide wide character type
	(Build_Elementary_Input_Call): Compute the size of the stream element by
	querying the rep chain to find the Stream_Attribute attribute value.
	(Build_Elementary_Write_Call): Ditto.

	* sem_aggr.adb: Char_Literal_Value field is now a Uint
	Add support for wide wide character type
	Replace the error messages on wrong null-exclusion value by warnings
	as described in Ada 2005.
	(Resolve_Extension_Aggregate): Document the fact that the error
	message on class-wide expressions in extensions aggregates.

	* sem_case.adb: Add support for wide wide character type

	* sem_ch13.adb: Add support for wide wide character type
	(Analyze_Attribute_Definition_Clause): Handle the Stream_Size attribute.

	* sem_ch3.adb: Add support for wide wide character type
	(Process_Subtype): If constraint is illegal for the type, set Ekind of
	now-useless Itype, to prevent cascaded errors on a compiler built
	without -gnatp.

	* sem_ch8.adb: Add with and use of Sem_Disp.
	(Analyze_Subprogram_Renaming): Replace unclean uses of
	Corresponding_Spec with Corresponding_Formal_Spec (and delete setting
	of Corresponding_Spec to Empty).
	(Attribute_Renaming): Replace use of Corresponding_Spec with
	Corresponding_ Formal_Spec and simplify condition.
	(Use_One_Package): Check that scope of homonym of identifier is defined,
	before checking whether it is a wrapper package.
	Add support for wide wide character type

	* sem_eval.adb: Add support for wide wide character type.
	(Eval_Arithmetic_Op): Check for compile time known signed integer
	overflow in the non-static case.
	(Subtypes_Statically_Match): A formal scalar type and its base type do
	not statically match.

	* sem_util.adb (Collect_Primitive_Operations): Minor change of "/=" to
	"not in" for test of N_Formal_Subprogram_Declaration (which is now a
	subtype).
	(Unit_Declaration_Node): Ditto.
	(Is_Variable_Prefix):  For the case of an indexed component whose prefix
	has a packed array type, the prefix has been rewritten into a type
	conversion. Determine variable-ness from the converted expression.
	Handle wide wide character cases.

	* stand.ads: Add types Wide_Wide_Character and Wide_Wide_String

	* stringt.ads, stringt.adb: Handle full UTF-32 range.
	Remove ["0A"] from comment, since it can look like a line terminator.
	Currently we don't permit this, but this is under discussion by the
	ARG, and it is easy enough to use a different example.

	* s-wchcon.ads, s-wchcnv.ads, s-wchcnv.adb: Add new subprograms for
	handling UTF-32 encoding for wide wide character.
	Implement new brackets coding ["hhhhhhhh"]
	Add UTF-8 encodings for full UTF-32 range

	* ttypes.ads: Add definition of Standard_Wide_Wide_Character_Size

	* types.h, types.ads, types.adb: Wide_Wide_Character now has full 31
	bit range Add full UTF-32 support.
	(RT_Exception_Code): Addition of CE_Null_Not_Allowed; used to
	notify that constraint error will be raised at run-time
	because a null value is assigned to a null-excluding object.
	Remove some obsolete declarations and make Char_Code
	unsigned.

	* a-except.adb (Rcheck_30): New subprogram. Addition of the message
	corresponding to CE_Null_Not_Allowed, and adjust the output of all the
	Rcheck subprograms.

	* checks.adb (Check_Null_Not_Allowed): Replace the error message on
	wrong null-exclusion value by a warning message.
	(Enable_Range_Check): Do range check if the prefix is an
	explicit dereference whose designated object is an unconstrained array.
	Current algorithm for removing duplicate checks is over-eager in this
	case.

	* sem_ch5.adb (Analyze_Assignment): Replace the error messages on wrong
	null-exclusion value by a warning message

	* atree.h, atree.ads, atree.adb: Remove Char_Code field support
	completely. Add support for Uint2 field

	sem_ch2.adb, exp_ch11.adb, exp_dbug.adb,
	exp_prag.adb: Char_Literal_Value field is now a Uint.

	* exp_util.adb (Insert_Actions): Replace
	N_Formal_Subprogram_Declaration by
	N_Formal_{Abstract|Concrete}_Subprogram_Declaration.
	Char_Literal_Value field is now a Uint.

	* sinfo.ads, sinfo.adb (Corresponding_Formal_Spec): New function
	defined for subprogram renaming declarations. When set, the field
	indicates the defining entity of a corresponding formal subprogram
	when the renaming corresponds to a formal subprogram association in an
	instantiation.
	(Set_Corresponding_Formal_Spec): New procedure to return
	Corresponding_Formal_Spec field.
	Minor changes of "=" to "in" in tests of N_Formal_Subprogram_Declaration
	(which is now a subtype).
	Char_Literal_Value field is now a Uint

	* exp_disp.ads, exp_disp.adb (Make_DT): Generate code that moves the
	pointer to the base of the dispatch table.
	Minor changes to comments.
	(Controlling_Type): New function for determining the tagged type
	associated with a tagged primitive subprogram.
	(Expand_Dispatching_Call): Add support for a controlling actual that is
	directly a value of type Ada.Tag rather than a tagged object.

	* i-cpp.ads, i-cpp.adb, a-tags.ads, a-tags.adb: Update documentation
	describing the new layout.
	(Dispatch_Table): The expander computes the actual array size, allocates
	the Dispatch_Table record accordingly, and generates code that displaces
	the base of the record after the Typeinfo_Ptr component. The access to
	these components is done by means of local functions.
	(Offset_To_Top): New function.
	(Typeinfo_Ptr): New function.
	(Get_TSD): Modified to access the new position of the TSD.
	(Set_TSD): Modified to save the TSD in its new position.

	* par-ch12.adb (P_Formal_Subprogram_Declaration): Add parsing for the
	case of formal abstract subprograms. Add check and message for -gnat05.
	Update comments.

	* sem_ch12.adb: Add with and use for Sem_Disp.
	(Analyze_Associations): Minor change from "=" to "in" for use of
	N_Formal_Subtype_Declaration (which is now a subtype).
	(Set_Analyzed_Formal): Minor changes from "=" to "in" for uses of
	N_Formal_Subtype_Declaration (which is now a subtype).
	(Analyze_Formal_Subprogram): Add handling for
	N_Formal_Abstract_Subprogram, marking the formal as abstract and
	dispatching, setting the controlling status of the formal parameters
	and result, and issuing an error if there is no controlling type for
	the formal subprogram.
	(Instantiate_Formal_Subprogram): Rather than setting Corresponding_Spec,
	which is an unclean use of that field, we set the new field
	Corresponding_Formal_Spec to make the formal subprogram available to
	processing in Analyze_Subprogram_Declaration.
	(Analyze_Formal_{Discrete, Decimal_Fixed_Point, Fixed_Point,
	Floating_Point, Modular_Integer, Signed_Integer}_Type: Make formal type
	Constrained, so that it is is does not statically match its anonymous
	base type.

	* sem_ch6.adb (Analyze_Subprogram_Specification): Include test for
	abstract formal subprograms in error check for functions returning
	abstract types. Set scope of new designator for
	a parameterless subprogram, so that it is available when checking the
	body for nested subprograms, before full analysis of said body.
	(Analyze_Subprogram_Body): Warn on inlining bodies with nested
	subprogram only if inner one comes from source.
	(Analyze_Function_Call): If the call is given in object notation, the
	analysis of the name rewrites the node and analyzes it with the proper
	argument list. After analyzing the name, if the call has been rewritten
	and the result type is set, no further analysis is needed.
	(Analyze_Return_Type): Subsidiary to Process_Formals: analyze subtype
	mark in function specification, in a context where the formals are
	visible and hide outer homographs.

	* sem_disp.adb (Check_Controlling_Type): Relax the check for same scope
	as the tagged type for the cases of abstract formal subprograms and
	renamings of those.  Clean up spec comments.
	(Check_Dispatching_Context): Add error message to indicate "abstract
	procedure", covering the case of a call to a formal abstract procedure
	that has statically tagged operands.
	(Check_Dispatching_Call): Check for the case of an actual given by
	a tag-indeterminate function call whose type is an ancestor of the
	containing call's associated tagged type. This situation can occur
	for inherited primitives with function defaults. In this case we
	use the tagged type's tag directly as the controlling argument for
	the calls.
	(Expand_Call): Name change on call to Expand_Dispatch_Call.

	* sprint.adb (Sprint_Node_Actual): Split
	N_Formal_Subprogram_Declaration into two alternatives for the new
	cases N_Formal_Abstract_Subprogram_Declaration and
	N_Formal_Concrete_Subprogram_Declaration.
	Char_Literal_Value field is now a Uint.

	* trans.c: Get rid of junk Uint2 reference.
	Char_Literal_Value field is now a Uint.
	(gnat_to_gnu, case N_Aggregate): Check TYPE_UNCHECKED_UNION_P.
	(gigi): Correct third arg to gimplify_body.

	* ada-tree.h: (TYPE_UNCHECKED_UNION_P): New flag.
	(TYPE_LANG_FLAG_0): Check for record or union.

	* treepr.adb: Char_Literal_Value field is now a Uint

	* uintp.h, uintp.ads, uintp.adb: Add new routines UI_To_CC and
	UI_From_CC.

	* widechar.ads, widechar.adb (Is_UTF_32_Non_Graphic): New function
	Add full UTF-32 support
	Char_Code is now 32 bits

	* sinput.ads, sinput.adb (Skip_Line_Terminators): Extend to deal with
	wide character UTF_32 line terminators.
	Initialize Main_Source_File to avoid error when no main
	source is loaded.

	* errout.adb (Finalize): Do not check Num_SRef_Pragmas
	(Main_Source_File) when no main source has been loaded, to avoid
	potential crash.

From-SVN: r94809
2005-02-10 14:50:48 +01:00
Arnaud Charlet
cc335f4371 [multiple changes]
2004-06-14  Pascal Obry  <obry@gnat.com>

	* gnat_ugn.texi: Document relocatable vs. dynamic Library_Kind on
	Windows.  Fix minor typo.

	* mlib-tgt-mingw.adb: New implementation using the GCC -shared option
	which is now supported on Windows. With this implementation using the
	Library Project feature is no different on Windows than on UNIX.

2004-06-14  Vincent Celier  <celier@gnat.com>

	* makegpr.adb (Compile_Sources): Nothing to do when there are no
	non-Ada sources.

	* mlib-tgt-vxworks.adb (Library_Exists_For): Remove incorrect comment

	* prj-part.adb (Parse_Single_Project): When a duplicate project name is
	found, show the project name and the path of the previously parsed
	project file.

2004-06-14  Ed Schonberg  <schonberg@gnat.com>

	* exp_ch6.adb (Add_Call_By_Copy_Code): For an out-parameter that is an
	array, avoid copying the actual before the call.

2004-06-14  Thomas Quinot  <quinot@act-europe.fr>

	* g-debpoo.adb: Remove alignment assumptions from GNAT.Debug_Pools.
	Instead, allocate memory on worst-case alignment assumptions, and then
	return an aligned address within the allocated zone.

2004-06-14  Robert Dewar  <dewar@gnat.com>

	* bindgen.adb (Gen_Adainit_Ada): Do not generate external references to
	elab entities in predefined units in No_Run_Time_Mode.
	(Gen_Adainit_C): Same fix
	(Gen_Elab_Calls_Ada): Do not generate calls to elaborate predefined
	units in No_Run_Time_Mode
	(Gen_Elab_Calls_C): Same fix

	* symbols-vms-alpha.adb: Minor reformatting

	* g-debpoo.ads: Minor reformatting

	* lib.adb (In_Same_Extended_Unit): Version working on node id's

	* lib.ads (In_Same_Extended_Unit): Version working on node id's

	* lib-xref.adb: Minor cleanup, use new version of In_Same_Extended_Unit
	working on nodes.

	* make.adb: Minor reformatting

	* par-ch12.adb: Minor reformatting

	* par-prag.adb: Add dummy entry for pragma Profile_Warnings

	* prj-strt.adb: Minor reformatting

	* restrict.ads, restrict.adb: Redo handling of profile restrictions to
	be more general.

	* sem_attr.adb: Minor reformatting

	* sem_ch7.adb: Minor reformatting

	* sem_elab.adb (Check_A_Call): Deal with problem of calling init proc
	for type in the same unit as the object declaration.

	* sem_prag.adb (Check_Arg_Is_External_Name): New procedure, allows
	static string expressions and not just string literals.
	Minor reformatting
	(Set_Warning): Reset restriction warning flag for restriction pragma
	Implement pragma Profile_Warnings
	Implement pragma Profile (Restricted)
	Give obolescent messages for old restrictions and pragmas

	* snames.h, snames.ads, snames.adb: Add new entry for pragma
	Profile_Warnings.

	* s-rident.ads: Add declarations for restrictions required by profile
	Restricted and profile Ravenscar.

	* targparm.ads, targparm.adb: Allow pragma Profile in system.ads

	* gnat_ugn.texi: Correct some missing entries in the list of GNAT
	configuration pragmas.

From-SVN: r83099
2004-06-14 15:19:14 +02:00
Arnaud Charlet
5453d5bde8 [multiple changes]
2004-06-11  Vincent Celier  <celier@gnat.com>

	* mlib-tgt-vms-alpha.adb (Build_Dynamic_Library): Issue switch -R to
	gnatsym, when symbol policy is Restricted.

	* mlib-tgt-vms-ia64.adb (Build_Dynamic_Library): Issue switch -R to
	gnatsym, when symbol policy is Restricted.

	* symbols-vms-alpha.adb (Initialize): When symbol policy is Restricted,
	read the symbol file.
	(Finalize): Fail in symbol policy Restricted if a symbol in the original
	symbol file is not in the object files. Do not create a new symbol file
	when symbol policy is Restricted.

	* gnatbind.adb (Gnatbind): Initialize Snames, because Snames is used
	in Scng.

	* gnatsym.adb (Parse_Vmd_Line): Process new switch -R for symbol policy
	Restricted.
	(Usage): Line for new switch -R

	* make.adb (Initialize): When the platform is not VMS, add the
	directory where gnatmake is invoked in the front of the path, if
	gnatmake is invoked with directory information.  Change the Scan_Args
	while loop to a for loop.
	(Recursive_Compute_Depth): Remove parameter Visited. Improve efficiency:
	if Depth is equal or greater than the proposed depth, there is nothing
	to do.
	(Initialize): Call Recursive_Compute_Depth with initial Depth equal to 1
	instead of 0.

	* prj.ads: Add new symbol policy Restricted.

	* prj-dect.adb (Parse_Case_Construction): Call End_Case_Construction
	with the new parameters Check_All_Labels and Case_Location.

	* prj-nmsc.adb (Ada_Check): Process new symbol policy Restricted
	(Library_Symbol_File needs to be defined).

	* prj-strt.adb (End_Case_Construction): New parameters Check_All_Labels
	and Case_Location If Check_All_Labels is True, check that all values of
	the string type are used, and output warning(s) if they are not.

	* prj-strt.ads (End_Case_Construction): New parameters Check_All_Labels
	and Case_Location.

	* gnat_ugn.texi: Reorder subclauses in menus "Switches for gcc"

	* gnat_ugn.texi: Update documentation about the library directory in
	Library Projects.

	* makegpr.adb (Display_Command): In verbose mode, also display the
	value of the CPATH env var, when the compiler is gcc.
	(Initialize): Change the Scan_Args while loop to a for loop
	(Compile_Individual_Sources): Change directory to object directory
	before compilations.

	* symbols.ads: New symbol policy Restricted.

2004-06-11  Olivier Hainque  <hainque@act-europe.fr>

	* a-except.adb (Raise_After_Setup family): Remove. The responsibility
	is now taken care of internally in the Exception_Propagation package
	and does not require clients assistance any more.

	* a-exexpr.adb (Is_Setup_And_Not_Propagated,
	Set_Setup_And_Not_Propagated, and Clear_Setup_And_Not_Propagated): New
	functions. Helpers to maintain a predicate required in the handling of
	occurrence transfer between tasks.
	This is now handled internally and does not require clients assistance
	for the setup/propagate separation anymore.
	(Setup_Exception, Propagate_Exception): Simplify the Private_Data
	allocation strategy, handle the Setup_And_Not_Propagated predicate and
	document.

	* s-taenca.adb (Check_Exception): Use raise_with_msg instead of
	raise_after_setup, now that everything is handled internally within the
	setup/propagation engine.

2004-06-11  Hristian Kirtchev  <kirtchev@gnat.com>

	* exp_ch6.adb (Expand_Inlined_Call): Add function Formal_Is_Used_Once.
	Add additional conditions for the case of an actual being a simple
	name or literal. Improve inlining by preventing the generation
	of temporaries with a short lifetime (one use).

2004-06-11  Hristian Kirtchev  <kirtchev@gnat.com>

	PR ada/15587

	* einfo.ads: Minor comment updates for Has_Completion and
	E_Constant list of flags.

	* sem_ch3.adb (Analyze_Object_Declaration): Full constant declarations
	and constant redeclarations now set the Has_Completion flag of their
	defining identifiers.

	* sem_ch7.adb (Analyze_Package_Spec): Add procedure
	Inspect_Deferred_Constant_Completion.
	Used to detect private deferred constants that have not been completed
	either by a constant redeclaration or pragma Import. Emits error message
	"constant declaration requires initialization expression".

	* sem_prag.adb (Process_Import_Or_Interface): An Import pragma now
	completes a deferred constant.

2004-06-11  Geert Bosch  <bosch@gnat.com>

	* eval_fat.adb (Decompose_Int): Fix rounding of negative numbers.

	* s-fatgen.adb (Gradual_Scaling): Correct off-by-one error in
	calculating exponent for scaling denormal numbers.
	(Leading_Part): Properly raise Constraint_Error for zero or negative
	Adjustment.
	(Remainder): Properly raise Constraint_Error for zero divisor.

2004-06-11  Thomas Quinot  <quinot@act-europe.fr>

	* sem_util.adb: Minor reformatting.

	* exp_ch2.adb (Expand_Entry_Parameter): Generate an explicit
	dereference when accessing the entry parameter record.
	(Check_Array_Type): Always check for possible implicit dereference.
	(maybe_implicit_dereference): Rename to check_no_implicit_derefence.
	Abort if a pointer is still present (denoting that an implicit
	dereference was left in the tree by the front-end).

	* sem_attr.adb (Expand_Entry_Parameter): Generate an explicit
	dereference when accessing the entry parameter record.
	(Check_Array_Type): Always check for possible implicit dereference.
	(maybe_implicit_dereference): Rename to check_no_implicit_derefence.
	Abort if a pointer is still present (denoting that an implicit
	dereference was left in the tree by the front-end).

2004-06-11  Emmanuel Briot  <briot@act-europe.fr>

	* g-debpoo.adb (Deallocate, Dereference): Add prefix "error:" to error
	message, like the compiler itself does. Easier to parse the output.

	* g-debpoo.ads: (Allocate, Deallocate, Dereference): Add comments.

	* gnat_ugn.texi (gnatxref, gnatfind): Clarify that source names should
	be base names, and not includes directories.

2004-06-11  Arnaud Charlet  <charlet@act-europe.fr>

	* Makefile.generic ($(EXEC)): Depend on $(OBJECTS), not $(OBJ_FILES),
	so that dependencies are properly taken into account by make.

2004-06-11  Arnaud Charlet  <charlet@act-europe.fr>

	PR ada/15622
	* s-unstyp.ads, s-maccod.ads, sem_ch8.adb, s-auxdec.ads,
	exp_intr.adb, s-auxdec-vms_64.ads: Fix typo: instrinsic -> intrinsic

2004-06-11  Jerome Guitton  <guitton@act-europe.fr>

	* Makefile.in (install-gnatlib): install target-specific run-time files.

	* Make-lang.in: Remove obsolete targets.

2004-06-11  Ed Schonberg  <schonberg@gnat.com>

	* par-ch12.adb (P_Generic): Add scope before analyzing subprogram
	specification, to catch misuses of program unit names.

	* sem_res.adb (Resolve_Type_Conversion): Do not emit warnings on
	superfluous conversions in an instance.

2004-06-11  Ed Schonberg  <schonberg@gnat.com>

	PR ada/15403

	* sem_ch12.adb (Save_References): If operator node has been folded to
	enumeration literal, associated_node must be discarded.

2004-06-11  Jose Ruiz  <ruiz@act-europe.fr>

	* s-stchop-vxworks.adb: Add required pragma Convention to
	Task_Descriptor because it is updated by a C function.

From-SVN: r82973
2004-06-11 12:47:39 +02:00
Arnaud Charlet
bde58e3208 3vtrasym.adb: Demangle Ada symbols returned by TBK$SYMBOLIZE.
* 3vtrasym.adb:
	Demangle Ada symbols returned by TBK$SYMBOLIZE. Correctly align line
	numbers when symbol name is too long.

	* g-signal.ads, g-signal.adb: New files

	* impunit.adb: (Non_Imp_File_Names): Added "g-signal"

	* Makefile.rtl: Introduce GNAT.Signals

	* freeze.adb: Minor reformatting

	* lib-writ.adb (Write_ALI): Never write ali file if -gnats is specified

	* par.adb, par-ch12.adb, par-ch13.adb, par-ch2.adb, par-ch3.adb,
	par-ch5.adb, par-ch6.adb, par-ch9.adb, par-util.adb:
	New handling of Id_Check parameter to improve recognition of keywords
	used as identifiers.
	Update copyright notice to include 2003

From-SVN: r73083
2003-10-30 12:50:12 +01:00
Geert Bosch
bcea76b65d 1aexcept.adb, [...]: Merge header, formatting and other trivial changes from ACT.
* 1aexcept.adb, 1aexcept.ads, 1ic.ads, 1ssecsta.adb,
	1ssecsta.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, 4dintnam.ads, 4gintnam.ads, 4hexcpol.adb,
	4hintnam.ads, 4lintnam.ads, 4mintnam.ads, 4nintnam.ads,
	4ointnam.ads, 4onumaux.ads, 4pintnam.ads, 4rintnam.ads,
	4sintnam.ads, 4uintnam.ads, 4vcaldel.adb, 4vcalend.adb,
	4vcalend.ads, 4vintnam.ads, 4wcalend.adb, 4wexcpol.adb,
	4wintnam.ads, 4zintnam.ads, 4znumaux.ads, 4zsytaco.adb,
	4zsytaco.ads, 51osinte.adb, 51osinte.ads, 52osinte.adb,
	52osinte.ads, 52system.ads, 53osinte.ads, 54osinte.ads,
	5amastop.adb, 5aosinte.adb, 5aosinte.ads, 5asystem.ads,
	5ataprop.adb, 5atasinf.ads, 5ataspri.ads, 5atpopsp.adb,
	5avxwork.ads, 5bosinte.adb, 5bosinte.ads, 5bsystem.ads,
	5cosinte.ads, 5dosinte.ads, 5esystem.ads, 5etpopse.adb,
	5fintman.adb, 5fosinte.ads, 5fsystem.ads, 5ftaprop.adb,
	5ftasinf.ads, 5ginterr.adb, 5gintman.adb, 5gmastop.adb,
	5gosinte.ads, 5gproinf.adb, 5gproinf.ads, 5gsystem.ads,
	5gtaprop.adb, 5gtasinf.adb, 5gtasinf.ads, 5gtpgetc.adb,
	5hosinte.adb, 5hosinte.ads, 5hparame.ads, 5hsystem.ads,
	5htaprop.adb, 5htaspri.ads, 5htraceb.adb, 5iosinte.adb,
	5iosinte.ads, 5itaprop.adb, 5itaspri.ads, 5ksystem.ads,
	5kvxwork.ads, 5lintman.adb, 5lml-tgt.adb, 5losinte.ads,
	5lsystem.ads, 5mosinte.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,
	5qosinte.adb, 5qosinte.ads, 5qstache.adb, 5qtaprop.adb,
	5qtaspri.ads, 5rosinte.adb, 5rosinte.ads, 5rparame.adb,
	5sintman.adb, 5sosinte.adb, 5sosinte.ads, 5sparame.adb,
	5ssystem.ads, 5staprop.adb, 5stasinf.adb, 5stasinf.ads,
	5staspri.ads, 5stpopse.adb, 5svxwork.ads, 5tosinte.ads,
	5uintman.adb, 5uosinte.ads, 5vasthan.adb, 5vinmaop.adb,
	5vinterr.adb, 5vintman.adb, 5vintman.ads, 5vmastop.adb,
	5vosinte.adb, 5vosinte.ads, 5vosprim.adb, 5vosprim.ads,
	5vparame.ads, 5vsystem.ads, 5vtaprop.adb, 5vtaspri.ads,
	5vtpopde.adb, 5vtpopde.ads, 5vvaflop.adb, 5wgloloc.adb,
	5wintman.adb, 5wmemory.adb, 5wosinte.ads, 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, 86numaux.adb, 86numaux.ads,
	9drpc.adb, a-astaco.adb, a-astaco.ads, a-caldel.adb,
	a-caldel.ads, a-calend.adb, a-calend.ads, a-chahan.adb,
	a-chahan.ads, a-charac.ads, a-chlat1.ads, a-chlat9.ads,
	a-colien.adb, a-colien.ads, a-colire.adb, a-colire.ads,
	a-comlin.adb, a-comlin.ads, a-cwila1.ads, a-cwila9.ads,
	a-decima.adb, a-decima.ads, a-diocst.adb, a-diocst.ads,
	a-direio.adb, a-direio.ads, a-dynpri.adb, a-dynpri.ads,
	a-einuoc.adb, a-einuoc.ads, a-except.adb, a-except.ads,
	a-excpol.adb, a-exctra.adb, a-exctra.ads, a-filico.adb,
	a-filico.ads, a-finali.adb, a-finali.ads, a-flteio.ads,
	a-fwteio.ads, a-inteio.ads, a-interr.adb, a-interr.ads,
	a-intnam.ads, a-intsig.adb, a-intsig.ads, a-ioexce.ads,
	a-iwteio.ads, a-lfteio.ads, a-lfwtio.ads, a-liteio.ads,
	a-liwtio.ads, a-llftio.ads, a-llfwti.ads, a-llitio.ads,
	a-lliwti.ads, a-ncelfu.ads, a-ngcefu.adb, a-ngcefu.ads,
	a-ngcoty.adb, a-ngcoty.ads, a-ngelfu.adb, a-ngelfu.ads,
	a-nlcefu.ads, a-nlcoty.ads, a-nlelfu.ads, a-nllcef.ads,
	a-nllcty.ads, a-nllefu.ads, a-nscefu.ads, a-nscoty.ads,
	a-nselfu.ads, a-nucoty.ads, a-nudira.adb, a-nudira.ads,
	a-nuelfu.ads, a-nuflra.adb, a-nuflra.ads, a-numaux.ads,
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	stand.ads, stringt.adb, stringt.ads, style.adb,
	style.ads, stylesw.adb, stylesw.ads, switch-b.adb,
	switch-b.ads, switch-c.adb, switch-c.ads, switch-m.adb,
	switch-m.ads, switch.adb, switch.ads, system.ads,
	table.adb, table.ads, targparm.adb, targparm.ads,
	tbuild.adb, tbuild.ads, text_io.ads, trans.c,
	tree_gen.adb, tree_gen.ads, tree_in.adb, tree_in.ads,
	tree_io.adb, tree_io.ads, treepr.adb, treepr.ads,
	ttypef.ads, ttypes.ads, types.adb, types.ads,
	uintp.adb, uintp.ads, uname.adb, uname.ads,
	unchconv.ads, unchdeal.ads, urealp.adb, urealp.ads,
	usage.adb, usage.ads, validsw.adb, validsw.ads,
	widechar.adb, widechar.ads, xeinfo.adb, xnmake.adb,
	xr_tabls.adb, xr_tabls.ads, xref_lib.adb, xref_lib.ads,
	xsinfo.adb, xsnames.adb, xtreeprs.adb : Merge header,
	formatting and other trivial changes from ACT.

From-SVN: r66044
2003-04-24 19:54:20 +02:00
Nathanael Nerode
71ff80dc28 Nathanael Nerode <neroden@gcc.gnu.org> PR ada/6919 (forward port of patch for PR ada/5904)
Nathanael Nerode  <neroden@gcc.gnu.org>
	PR ada/6919 (forward port of patch for PR ada/5904)
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	s-vercon.adb s-vercon.ads s-vmexta.adb s-vmexta.ads
	s-wchcnv.adb s-wchcnv.ads s-wchcon.ads s-wchjis.adb
	s-wchjis.ads s-wchstw.adb s-wchstw.ads s-wchwts.adb
	s-wchwts.ads s-widboo.adb s-widboo.ads s-widcha.adb
	s-widcha.ads s-widenu.adb s-widenu.ads s-widlli.adb
	s-widlli.ads s-widllu.adb s-widllu.ads s-widwch.adb
	s-widwch.ads s-wwdcha.adb s-wwdcha.ads s-wwdenu.adb
	s-wwdenu.ads s-wwdwch.adb s-wwdwch.ads scans.adb scans.ads
	scn-nlit.adb scn-slit.adb scn.adb scn.ads sdefault.ads sem.adb
	sem.ads sem_aggr.adb sem_aggr.ads sem_attr.adb sem_attr.ads
	sem_case.adb sem_case.ads sem_cat.adb sem_cat.ads sem_ch10.adb
	sem_ch10.ads sem_ch11.adb sem_ch11.ads sem_ch12.adb
	sem_ch12.ads sem_ch13.adb sem_ch13.ads sem_ch2.adb sem_ch2.ads
	sem_ch3.adb sem_ch3.ads sem_ch4.adb sem_ch4.ads 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_ch9.ads sem_disp.adb
	sem_disp.ads sem_dist.adb sem_dist.ads sem_elab.adb
	sem_elab.ads sem_elim.adb sem_elim.ads sem_eval.adb
	sem_eval.ads sem_intr.adb sem_intr.ads sem_maps.adb
	sem_maps.ads sem_mech.adb sem_mech.ads sem_prag.adb
	sem_prag.ads sem_res.adb sem_res.ads sem_smem.adb sem_smem.ads
	sem_type.adb sem_type.ads sem_util.adb sem_util.ads
	sem_vfpt.adb sem_vfpt.ads sem_warn.adb sem_warn.ads
	sfn_scan.adb sfn_scan.ads sinfo-cn.adb sinfo-cn.ads sinfo.adb
	sinfo.ads sinfo.h sinput-l.adb sinput-l.ads sinput-p.adb
	sinput-p.ads sinput.adb sinput.ads snames.adb snames.ads
	snames.h sprint.adb sprint.ads stand.adb stand.ads stringt.adb
	stringt.ads stringt.h style.adb style.ads stylesw.adb
	stylesw.ads switch.adb switch.ads sysdep.c system.ads
	table.adb table.ads targparm.adb targparm.ads targtyps.c
	tbuild.adb tbuild.ads trans.c tree_gen.adb tree_gen.ads
	tree_in.adb tree_in.ads tree_io.adb tree_io.ads treepr.adb
	treepr.ads treeprs.ads treeprs.adt ttypef.ads ttypes.ads
	types.adb types.ads types.h uintp.adb uintp.ads uintp.h
	uname.adb uname.ads urealp.adb urealp.ads urealp.h usage.adb
	usage.ads utils.c utils2.c validsw.adb validsw.ads
	widechar.adb widechar.ads xeinfo.adb xnmake.adb xr_tabls.adb
	xr_tabls.ads xref_lib.adb xref_lib.ads xsinfo.adb xsnames.adb
	xtreeprs.adb: Correct statements in comments about maintainership
	of GNAT.

From-SVN: r58442
2002-10-23 07:33:35 +00:00
Geoffrey Keating
6cbcc54138 Delete all lines containing "$Revision:".
* xeinfo.adb: Don't look for revision numbers.
	* xnmake.adb: Likewise.
	* xsinfo.adb: Likewise.
	* xsnames.adb: Likewise.
	* xtreeprs.adb: Likewise.

From-SVN: r50768
2002-03-14 11:00:22 +00:00
Geert Bosch
de76a39c6e s-stalib.adb: Add more comments on with statements being needed
* s-stalib.adb: Add more comments on with statements being needed

	* par-ch12.adb: Minor reformatting

	* prj-dect.ads: Fix copyright header

	* s-arit64.adb (Multiply_With_Ovflo_Check): Fix case where both
	inputs fit in 32 bits, but the result still overflows.

	* s-fatgen.ads: Minor comment improvement

	* sem_ch4.adb (Analyze_Selected_Component): If the prefix is of a
	formal derived type, look for an inherited component from the full
	view of the parent, if any.

	* checks.ads (Apply_Alignment_Check): New procedure.

	* exp_ch13.adb (Expand_N_Freeze_Entity): Generate dynamic check to
	ensure that the alignment of objects with address clauses is
	appropriate, and raise PE if not.

	* exp_util.ads (Must_Be_Aligned): Removed, replaced by
	Exp_Pakd.Known_Aligned_Enough

	* mdllfile.ads: Minor reformatting

	* mlib-fil.ads: Minor reformatting

	* exp_ch8.adb (Expand_N_Object_Renaming_Declaration): Extend previous
	fix to any component reference if enclosing record has non-standard
	representation.

	* g-dirope.ads (Find, Wildcard_Iterator): Moved to child package
	Iteration

	* freeze.ads: Make Freeze_Fixed_Point_Type visible, for use in
	sem_attr.

	* impunit.adb: Add entry for GNAT.Directory_Operations.Iteration

	* g-regexp.adb: Remove all debug code, since it isn't required anymore,
	and it adds dependencies to system.io.

	* g-dirope.adb (Expand_Path.Var): Correctly detect end of
	variable name.

*** s-stalib.adb	2001/09/03 15:24:33	1.17
--- s-stalib.adb	2001/10/16 13:14:46	1.18
***************
*** 46,59 ****
  --  elaboration circularities with Ada.Exceptions if polling is on.

  with System.Soft_Links;
! --  Referenced directly from generated code
! --  Also referenced from exception handling routines.
  --  This is needed for programs that don't use exceptions explicitely but
  --  direct calls to Ada.Exceptions are generated by gigi (for example,
  --  by calling __gnat_raise_constraint_error directly).

  with System.Memory;
! --  Referenced directly from generated code

  package body System.Standard_Library is

--- 46,62 ----
  --  elaboration circularities with Ada.Exceptions if polling is on.

  with System.Soft_Links;
! --  Referenced directly from generated code using external symbols so it
! --  must always be present in a build, even if no unit has a direct with
! --  of this unit. Also referenced from exception handling routines.
  --  This is needed for programs that don't use exceptions explicitely but
  --  direct calls to Ada.Exceptions are generated by gigi (for example,
  --  by calling __gnat_raise_constraint_error directly).

  with System.Memory;
! --  Referenced directly from generated code using external symbols, so it
! --  must always be present in a build, even if no unit has a direct with
! --  of this unit.

  package body System.Standard_Library is


*** par-ch12.adb	2001/10/19 15:22:18	1.48
--- par-ch12.adb	2001/10/19 15:24:48	1.49
***************
*** 452,466 ****
        if Def_Node /= Error then
           Set_Formal_Type_Definition (Decl_Node, Def_Node);
           TF_Semicolon;
        else
           Decl_Node := Error;

           if Token = Tok_Semicolon then
-             --   Avoid further cascaded errors.
              Scan;
           end if;
        end if;
-

        return Decl_Node;
     end P_Formal_Type_Declaration;
--- 452,467 ----
        if Def_Node /= Error then
           Set_Formal_Type_Definition (Decl_Node, Def_Node);
           TF_Semicolon;
+
        else
           Decl_Node := Error;

+          --  If we have semicolon, skip it to avoid cascaded errors
+
           if Token = Tok_Semicolon then
              Scan;
           end if;
        end if;

        return Decl_Node;
     end P_Formal_Type_Declaration;

*** prj-dect.ads	2001/10/20 10:28:13	1.4
--- prj-dect.ads	2001/10/20 11:43:56	1.5
***************
*** 8,14 ****
  --                                                                          --
  --                            $Revision$
  --                                                                          --
! --          Copyright (C) 2000-2001 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- --
--- 8,14 ----
  --                                                                          --
  --                            $Revision$
  --                                                                          --
! --             Copyright (C) 2001 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- --

*** s-arit64.adb	2001/02/09 15:10:29	1.16
--- s-arit64.adb	2001/10/20 14:50:39	1.17
***************
*** 325,337 ****
              T2 := Xhi * Ylo;
           end if;

!       else
!          if Yhi /= 0 then
!             T2 := Xlo * Yhi;
!          else
!             return X * Y;
!          end if;
        end if;

        T1 := Xlo * Ylo;
        T2 := T2 + Hi (T1);
--- 325,339 ----
              T2 := Xhi * Ylo;
           end if;

!       elsif Yhi /= 0 then
!          T2 := Xlo * Yhi;
!
!       else -- Yhi = Xhi = 0
!          T2 := 0;
        end if;
+
+       --  Here we have T2 set to the contribution to the upper half
+       --  of the result from the upper halves of the input values.

        T1 := Xlo * Ylo;
        T2 := T2 + Hi (T1);

*** s-fatgen.ads	2001/07/20 00:59:34	1.9
--- s-fatgen.ads	2001/10/20 18:37:39	1.10
***************
*** 89,97 ****

     function Unbiased_Rounding (X : T)                       return T;

!    function Valid             (X : access T)                return Boolean;
!    --  The argument must be passed by reference here, as T may be
!    --  an abnormal value that can be passed in a floating point register.

  private
     pragma Inline (Machine);
--- 89,100 ----

     function Unbiased_Rounding (X : T)                       return T;

!    function Valid (X : access T) return Boolean;
!    --  This function checks if the object of type T referenced by X
!    --  is valid, and returns True/False accordingly. The parameter is
!    --  passed by reference (access) here, as the object of type T may
!    --  be an abnormal value that cannot be passed in a floating-point
!    --  register, and the whole point of 'Valid is to prevent exceptions.

  private
     pragma Inline (Machine);

*** sem_ch4.adb	2001/09/24 22:32:31	1.511
--- sem_ch4.adb	2001/10/21 17:41:52	1.512
***************
*** 2691,2696 ****
--- 2691,2708 ----

              Check_Misspelled_Selector (Entity_List, Sel);

+          elsif Is_Generic_Type (Prefix_Type)
+            and then Ekind (Prefix_Type) = E_Record_Type_With_Private
+            and then Is_Record_Type (Etype (Prefix_Type))
+          then
+             --  If this is a derived formal type, the parent may have a
+             --  different visibility at this point. Try for an inherited
+             --  component before reporting an error.
+
+             Set_Etype (Prefix (N), Etype (Prefix_Type));
+             Analyze_Selected_Component (N);
+             return;
+
           else
              if Ekind (Prefix_Type) = E_Record_Subtype then


*** checks.ads	2001/07/16 01:26:04	1.55
--- checks.ads	2001/10/28 15:13:02	1.56
***************
*** 83,88 ****
--- 83,95 ----
     --  the object denoted by the access parameter is not deeper than the
     --  level of the type Typ. Program_Error is raised if the check fails.

+    procedure Apply_Alignment_Check (E : Entity_Id; N : Node_Id);
+    --  E is the entity for an object. If there is an address clause for
+    --  this entity, and checks are enabled, then this procedure generates
+    --  a check that the specified address has an alignment consistent with
+    --  the alignment of the object, raising PE if this is not the case. The
+    --  resulting check (if one is generated) is inserted before node N.
+
     procedure Apply_Array_Size_Check (N : Node_Id; Typ : Entity_Id);
     --  N is the node for an object declaration that declares an object of
     --  array type Typ. This routine generates, if necessary, a check that

*** exp_ch13.adb	2001/07/16 21:21:29	1.76
--- exp_ch13.adb	2001/10/28 15:13:25	1.77
***************
*** 27,32 ****
--- 27,33 ----
  ------------------------------------------------------------------------------

  with Atree;    use Atree;
+ with Checks;   use Checks;
  with Einfo;    use Einfo;
  with Exp_Ch3;  use Exp_Ch3;
  with Exp_Ch6;  use Exp_Ch6;
***************
*** 236,245 ****
        Decl           : Node_Id;

     begin
!       if not Is_Type (E) and then not Is_Subprogram (E) then
           return;
        end if;

        E_Scope := Scope (E);

        --  If we are freezing entities defined in protected types, they
--- 237,256 ----
        Decl           : Node_Id;

     begin
!       --  For object, with address clause, check alignment is OK
!
!       if Is_Object (E) then
!          Apply_Alignment_Check (E, N);
!
!       --  Only other items requiring any front end action are
!       --  types and subprograms.
!
!       elsif not Is_Type (E) and then not Is_Subprogram (E) then
           return;
        end if;

+       --  Here E is a type or a subprogram
+
        E_Scope := Scope (E);

        --  If we are freezing entities defined in protected types, they
***************
*** 304,314 ****

        elsif Is_Subprogram (E) then
           Freeze_Subprogram (N);
-
-       --  No other entities require any front end freeze actions
-
-       else
-          null;
        end if;

        --  Analyze actions generated by freezing. The init_proc contains
--- 315,320 ----

*** exp_util.ads	2001/07/23 10:05:17	1.112
--- exp_util.ads	2001/10/28 15:14:04	1.113
***************
*** 372,386 ****
     --  routine is to help avoid generating troublesome temporaries that
     --  intefere with the stack checking mechanism.

-    function Must_Be_Aligned (Obj : Node_Id) return Boolean;
-    --  Given an object reference, determines whether or not the object
-    --  is required to be aligned according to its type'alignment value.
-    --  Normally, objects are required to be aligned, and the result will
-    --  be True. The situation in which this is not the case is if the
-    --  object reference involves a component of a packed array, where
-    --  the type of the component is not required to have strict alignment.
-    --  In this case, false will be returned.
-
     procedure Remove_Side_Effects
       (Exp          : Node_Id;
        Name_Req     : Boolean := False;
--- 372,377 ----

*** mdllfile.ads	2001/10/29 02:06:24	1.2
--- mdllfile.ads	2001/10/29 02:50:12	1.3
***************
*** 26,52 ****
  --                                                                          --
  ------------------------------------------------------------------------------

! --  Simple services used by GNATDLL to deal with Filename extension.

  package MDLL.Files is

     No_Ext : constant String := "";

!    function Get_Ext (Filename : in String)
!                      return String;
!    --  return filename's extension.
!
!    function Is_Ali (Filename : in String)
!                     return Boolean;
!    --  test if Filename is an Ada library file (.ali).
!
!    function Is_Obj (Filename : in String)
!                     return Boolean;
!    --  test if Filename is an object file (.o or .obj).
!
!    function Ext_To (Filename : in String;
!                     New_Ext  : in String := No_Ext)
!                     return String;
!    --  return Filename with the extension change to New_Ext.

  end MDLL.Files;
--- 26,51 ----
  --                                                                          --
  ------------------------------------------------------------------------------

! --  Simple services used by GNATDLL to deal with Filename extension

  package MDLL.Files is

     No_Ext : constant String := "";
+    --  Used to mark the absence of an extension

!    function Get_Ext (Filename : String) return String;
!    --  Return extension of Filename
!
!    function Is_Ali (Filename : String) return Boolean;
!    --  Test if Filename is an Ada library file (.ali).
!
!    function Is_Obj (Filename : String) return Boolean;
!    --  Test if Filename is an object file (.o or .obj)
!
!    function Ext_To
!      (Filename : String;
!       New_Ext  : String := No_Ext)
!       return     String;
!    --  Return Filename with the extension change to New_Ext

  end MDLL.Files;

*** mlib-fil.ads	2001/10/29 02:06:26	1.3
--- mlib-fil.ads	2001/10/29 02:51:28	1.4
***************
*** 36,51 ****
        return     String;
     --  Return Filename with the extension change to New_Ext.

!    function Get_Ext (Filename : in String) return String;
     --  Return extension of filename.

     function Is_Archive (Filename : String) return Boolean;
     --  Test if filename is an archive

!    function Is_C (Filename : in String) return Boolean;
     --  Test if Filename is a C file

!    function Is_Obj (Filename : in String) return Boolean;
     --  Test if Filename is an object file

  end MLib.Fil;
--- 36,51 ----
        return     String;
     --  Return Filename with the extension change to New_Ext.

!    function Get_Ext (Filename : String) return String;
     --  Return extension of filename.

     function Is_Archive (Filename : String) return Boolean;
     --  Test if filename is an archive

!    function Is_C (Filename : String) return Boolean;
     --  Test if Filename is a C file

!    function Is_Obj (Filename : String) return Boolean;
     --  Test if Filename is an object file

  end MLib.Fil;

*** exp_ch8.adb	2001/10/03 02:17:32	1.30
--- exp_ch8.adb	2001/10/29 17:32:24	1.31
***************
*** 59,65 ****
     --  of the renamed object. The cases in which this is not true are when
     --  this address is not computable, since it involves extraction of a
     --  packed array element, or of a record component to which a component
!    --  clause applies (that can specify an arbitrary bit boundary).

     --  In these two cases, we pre-evaluate the renaming expression, by
     --  extracting and freezing the values of any subscripts, and then we
--- 59,66 ----
     --  of the renamed object. The cases in which this is not true are when
     --  this address is not computable, since it involves extraction of a
     --  packed array element, or of a record component to which a component
!    --  clause applies (that can specify an arbitrary bit boundary), or where
!    --  the enclosing record itself has a non-standard representation.

     --  In these two cases, we pre-evaluate the renaming expression, by
     --  extracting and freezing the values of any subscripts, and then we
***************
*** 211,228 ****
              end if;

           elsif Nkind (Nam) = N_Selected_Component then
!             if Present (Component_Clause (Entity (Selector_Name (Nam)))) then
!                return True;

!             elsif Ekind (Entity (Selector_Name (Nam))) = E_Discriminant
!               and then Is_Record_Type (Etype (Prefix (Nam)))
!               and then not Is_Concurrent_Record_Type (Etype (Prefix (Nam)))
!             then
!                return True;

!             else
!                return Evaluation_Required (Prefix (Nam));
!             end if;

           else
              return False;
--- 212,236 ----
              end if;

           elsif Nkind (Nam) = N_Selected_Component then
!             declare
!                Rec_Type : Entity_Id := Etype (Prefix (Nam));

!             begin
!                if Present (Component_Clause (Entity (Selector_Name (Nam))))
!                  or else Has_Non_Standard_Rep (Rec_Type)
!                then
!                   return True;
!
!                elsif Ekind (Entity (Selector_Name (Nam))) = E_Discriminant
!                  and then Is_Record_Type (Rec_Type)
!                  and then not Is_Concurrent_Record_Type (Rec_Type)
!                then
!                   return True;

!                else
!                   return Evaluation_Required (Prefix (Nam));
!                end if;
!             end;

           else
              return False;

*** g-dirope.ads	2001/08/27 09:48:38	1.12
--- g-dirope.ads	2001/10/29 19:18:13	1.13
***************
*** 38,43 ****
--- 38,47 ----
  --  can be treated as a file, using open and close routines, and a scanning
  --  routine is provided for iterating through the entries in a directory.

+ --  See also child package GNAT.Directory_Operations.Iteration
+
+ with Ada.Strings.Maps;
+
  package GNAT.Directory_Operations is

     subtype Dir_Name_Str is String;
***************
*** 187,248 ****
     --  returned in target-OS form. Raises Directory_Error if Dir has not
     --  be opened (Dir = Null_Dir).

-    generic
-       with procedure Action
-         (Item  :        String;
-          Index :        Positive;
-          Quit  : in out Boolean);
-    procedure Wildcard_Iterator (Path : Path_Name);
-    --  Calls Action for each path matching Path. Path can include wildcards '*'
-    --  and '?' and [...]. The rules are:
-    --
-    --     *       can be replaced by any sequence of characters
-    --     ?       can be replaced by a single character
-    --     [a-z]   match one character in the range 'a' through 'z'
-    --     [abc]   match either character 'a', 'b' or 'c'
-    --
-    --  Item is the filename that has been matched. Index is set to one for the
-    --  first call and is incremented by one at each call. The iterator's
-    --  termination can be controlled by setting Quit to True. It is by default
-    --  set to False.
-    --
-    --  For example, if we have the following directory structure:
-    --     /boo/
-    --        foo.ads
-    --     /sed/
-    --        foo.ads
-    --        file/
-    --          foo.ads
-    --     /sid/
-    --        foo.ads
-    --        file/
-    --          foo.ads
-    --     /life/
-    --
-    --  A call with expression "/s*/file/*" will call Action for the following
-    --  items:
-    --     /sed/file/foo.ads
-    --     /sid/file/foo.ads
-
-    generic
-       with procedure Action
-         (Item  :        String;
-          Index :        Positive;
-          Quit  : in out Boolean);
-    procedure Find
-      (Root_Directory : Dir_Name_Str;
-       File_Pattern   : String);
-    --  Recursively searches the directory structure rooted at Root_Directory.
-    --  This provides functionality similar to the UNIX 'find' command.
-    --  Action will be called for every item matching the regular expression
-    --  File_Pattern (see GNAT.Regexp). Item is the full pathname to the file
-    --  starting with Root_Directory that has been matched. Index is set to one
-    --  for the first call and is incremented by one at each call. The iterator
-    --  will pass in the value False on each call to Action. The iterator will
-    --  terminate after passing the last matched path to Action or after
-    --  returning from a call to Action which sets Quit to True.
-    --  Raises GNAT.Regexp.Error_In_Regexp if File_Pattern is ill formed.
-
     function Read_Is_Thread_Safe return Boolean;
     --  Indicates if procedure Read is thread safe. On systems where the
     --  target system supports this functionality, Read is thread safe,
--- 191,196 ----
***************
*** 259,263 ****
--- 207,215 ----
     Null_Dir : constant Dir_Type := null;

     pragma Import (C, Dir_Separator, "__gnat_dir_separator");
+
+    Dir_Seps : constant Ada.Strings.Maps.Character_Set :=
+                 Ada.Strings.Maps.To_Set ("/\");
+    --  UNIX and DOS style directory separators.

  end GNAT.Directory_Operations;

*** freeze.ads	2001/10/29 02:06:04	1.15
--- freeze.ads	2001/10/30 01:36:24	1.16
***************
*** 205,210 ****
--- 205,215 ----
     --  so need to be similarly treated. Freeze_Expression takes care of
     --  determining the proper insertion point for generated freeze actions.

+    procedure Freeze_Fixed_Point_Type (Typ : Entity_Id);
+    --  Freeze fixed point type. For fixed-point types, we have to defer
+    --  setting the size and bounds till the freeze point, since they are
+    --  potentially affected by the presence of size and small clauses.
+
     procedure Freeze_Itype (T : Entity_Id; N : Node_Id);
     --  This routine is called when an Itype is created and must be frozen
     --  immediately at the point of creation (for the sake of the expansion

*** impunit.adb	2001/09/26 07:14:11	1.14
--- impunit.adb	2001/10/30 04:33:45	1.15
***************
*** 195,200 ****
--- 195,201 ----
       "g-curexc",    -- GNAT.Current_Exception
       "g-debpoo",    -- GNAT.Debug_Pools
       "g-debuti",    -- GNAT.Debug_Utilities
+      "g-diopit",    -- GNAT.Directory_Operations.Iteration
       "g-dirope",    -- GNAT.Directory_Operations
       "g-dyntab",    -- GNAT.Dynamic_Tables
       "g-exctra",    -- GNAT.Exception_Traces

*** g-regexp.adb	2001/10/21 11:04:16	1.28
--- g-regexp.adb	2001/10/30 15:25:04	1.29
***************
*** 32,38 ****
  --                                                                          --
  ------------------------------------------------------------------------------

- with System.IO;
  with Unchecked_Deallocation;
  with Ada.Exceptions;
  with GNAT.Case_Util;
--- 32,37 ----
***************
*** 73,82 ****
     end record;
     --  Deterministic finite-state machine

-    Debug : constant Boolean := False;
-    --  When True, the primary and secondary tables will be printed.
-    --  Gnat does not generate any code if this variable is False;
-
     -----------------------
     -- Local Subprograms --
     -----------------------
--- 72,77 ----
***************
*** 188,199 ****
        pragma No_Return (Raise_Exception);
        --  Raise an exception, indicating an error at character Index in S.

-       procedure Print_Table
-         (Table      : Regexp_Array;
-          Num_States : State_Index;
-          Is_Primary : Boolean := True);
-       --  Print a table for debugging purposes
-
        --------------------
        -- Create_Mapping --
        --------------------
--- 183,188 ----
***************
*** 1225,1309 ****
                 end loop;
              end loop;

-             if Debug then
-                System.IO.New_Line;
-                System.IO.Put_Line ("Secondary table : ");
-                Print_Table (R.States, Nb_State, False);
-             end if;
-
              return (Ada.Finalization.Controlled with R => R);
           end;
        end Create_Secondary_Table;

-       -----------------
-       -- Print_Table --
-       -----------------
-
-       procedure Print_Table
-         (Table      : Regexp_Array;
-          Num_States : State_Index;
-          Is_Primary : Boolean := True)
-       is
-          function Reverse_Mapping (N : Column_Index) return Character;
-          --  Return the character corresponding to a column in the mapping
-
-          ---------------------
-          -- Reverse_Mapping --
-          ---------------------
-
-          function Reverse_Mapping (N : Column_Index) return Character is
-          begin
-             for Column in Map'Range loop
-                if Map (Column) = N then
-                   return Column;
-                end if;
-             end loop;
-
-             return ' ';
-          end Reverse_Mapping;
-
-       --  Start of processing for Print_Table
-
-       begin
-          --  Print the header line
-
-          System.IO.Put ("   [*]  ");
-
-          for Column in 1 .. Alphabet_Size  loop
-             System.IO.Put
-               (String'(1 .. 1 => Reverse_Mapping (Column)) & "   ");
-          end loop;
-
-          if Is_Primary then
-             System.IO.Put ("closure....");
-          end if;
-
-          System.IO.New_Line;
-
-          --  Print every line
-
-          for State in 1 .. Num_States loop
-             System.IO.Put (State'Img);
-
-             for K in 1 .. 3 - State'Img'Length loop
-                System.IO.Put (" ");
-             end loop;
-
-             for K in 0 .. Alphabet_Size loop
-                System.IO.Put (Table (State, K)'Img & "  ");
-             end loop;
-
-             for K in Alphabet_Size + 1 .. Table'Last (2) loop
-                if Table (State, K) /= 0 then
-                   System.IO.Put (Table (State, K)'Img & ",");
-                end if;
-             end loop;
-
-             System.IO.New_Line;
-          end loop;
-
-       end Print_Table;
-
        ---------------------
        -- Raise_Exception --
        ---------------------
--- 1214,1223 ----
***************
*** 1345,1356 ****
                (Table, Num_States, Start_State, End_State);
           end if;

-          if Debug then
-             Print_Table (Table.all, Num_States);
-             System.IO.Put_Line ("Start_State : " & Start_State'Img);
-             System.IO.Put_Line ("End_State   : " & End_State'Img);
-          end if;
-
           --  Creates the secondary table

           R := Create_Secondary_Table
--- 1259,1264 ----
***************
*** 1451,1467 ****
           New_Table := new Regexp_Array (Table'First (1) .. New_Lines,
                                          Table'First (2) .. New_Columns);
           New_Table.all := (others => (others => 0));
-
-          if Debug then
-             System.IO.Put_Line ("Reallocating table: Lines from "
-                                 & State_Index'Image (Table'Last (1))
-                                 & " to "
-                                 & State_Index'Image (New_Lines));
-             System.IO.Put_Line ("   and columns from "
-                                 & Column_Index'Image (Table'Last (2))
-                                 & " to "
-                                 & Column_Index'Image (New_Columns));
-          end if;

           for J in Table'Range (1) loop
              for K in Table'Range (2) loop
--- 1359,1364 ----

*** g-dirope.adb	2001/10/31 21:36:04	1.20
--- g-dirope.adb	2001/11/01 16:39:33	1.21
***************
*** 371,387 ****
                 E := E + 1;

                 Var_Name : loop
!                   exit Var_Name when E = Path'Last;

                    if Characters.Handling.Is_Letter (Path (E))
                      or else Characters.Handling.Is_Digit (Path (E))
                    then
                       E := E + 1;
                    else
-                      E := E - 1;
                       exit Var_Name;
                    end if;
                 end loop Var_Name;

                 declare
                    Env : OS_Lib.String_Access := OS_Lib.Getenv (Path (K .. E));
--- 371,388 ----
                 E := E + 1;

                 Var_Name : loop
!                   exit Var_Name when E > Path'Last;

                    if Characters.Handling.Is_Letter (Path (E))
                      or else Characters.Handling.Is_Digit (Path (E))
                    then
                       E := E + 1;
                    else
                       exit Var_Name;
                    end if;
                 end loop Var_Name;
+
+                E := E - 1;

                 declare
                    Env : OS_Lib.String_Access := OS_Lib.Getenv (Path (K .. E));
2001-12-11  Ed Schonberg <schonber@gnat.com>

	* sem_ch10.adb (Install_Withed_Unit): If the unit is a generic instance
	that is the parent of other generics, the instance body replaces the
	instance node.  Retrieve the instance of the spec, which is the one
	that is visible in clients and within the body.

2001-12-11  Vincent Celier <celier@gnat.com>

	* gnatmain.adb: Initial version.

	* gnatmain.ads: Initial version.

	* prj-attr.adb (Initialisation_Data): Add package Gnatstub.

	* snames.adb: Updated to match snames.ads.

	* snames.ads: Added Gnatstub.

2001-12-11  Vincent Celier <celier@gnat.com>

	* prj-attr.adb (Initialization_Data): Change name from
	Initialisation_Data.

2001-12-11  Emmanuel Briot <briot@gnat.com>

	* g-regpat.adb (Parse_Literal): Properly handle simple operators ?,
	+ and * applied to backslashed expressions like \r.

2001-12-11  Vasiliy Fofanov <fofanov@gnat.com>

	* g-os_lib.ads: String_List type added, Argument_List type is now
	subtype of String_List.

2001-12-11  Robert Dewar <dewar@gnat.com>

	* g-os_lib.ads: Change copyright to FSF
	Add comments for String_List type

2001-12-11  Vincent Celier <celier@gnat.com>

	* g-dirope.adb (Expand_Path): Fix bug. (wrong length when adding a
	string to the buffer).

2001-12-11  Ed Schonberg <schonber@gnat.com>

	* freeze.adb: Make Freeze_Fixed_Point_Type visible, for use in
	sem_attr.

	* sem_attr.adb: Simplify previous fix for Address.
	(Set_Bounds): If prefix is a non-frozen fixed-point type, freeze now,
	to avoid anomalies where the bound of the type appears to raise
	constraint error.

2001-12-11  Robert Dewar <dewar@gnat.com>

	* lib-xref.adb (Output_Refs): Make sure pointers are always properly
	handled.

2001-12-11  Ed Schonberg <schonber@gnat.com>

	* sem_ch12.adb (Analyze_Subprogram_Instantiation): Check for a
	renamed unit before checking for recursive instantiations.

2001-12-11  Emmanuel Briot <briot@gnat.com>

	* prj.ads: Add comments for some of the fields.

2001-12-11  Robert Dewar <dewar@gnat.com>

	* lib-xref.adb (Output_Refs): Don't output type references outside
	the main unit if they are not otherwise referenced.

2001-12-11  Ed Schonberg <schonber@gnat.com>

	* sem_attr.adb (Analyze_attribute, case Address and Size): Simplify
	code and diagnose additional illegal uses

	* sem_util.adb (Is_Object_Reference): An indexed component is an
	object only if the prefix is.

2001-12-11  Vincent Celier <celier@gnat.com>

	* g-diopit.adb: Initial version.

	* g-diopit.ads: Initial version.

	* g-dirope.adb:
	(Expand_Path): Avoid use of Unbounded_String
	(Find, Wildcard_Iterator): Moved to child package Iteration

	* Makefile.in: Added g-diopit.o to GNATRTL_NONTASKING_OBJS

2001-12-11  Robert Dewar <dewar@gnat.com>

	* sem_attr.adb: Minor reformatting

2001-12-11  Ed Schonberg <schonber@gnat.com>

	* sem_ch3.adb: Clarify some ???.

2001-12-11  Robert Dewar <dewar@gnat.com>

	* exp_util.adb (Must_Be_Aligned): Removed, replaced by
	Exp_Pakd.Known_Aligned_Enough

	* sem_ch13.adb (Check_Address_Alignment): Removed, extended
	version is moved to Exp_Ch13.

2001-12-11  Robert Dewar <dewar@gnat.com>

	* einfo.ads: Minor reformatting

	* exp_ch5.adb: Add comment for previous.change

	* ali.adb: New interface for extended typeref stuff.

	* ali.ads: New interface for typeref stuff.

	* checks.adb (Apply_Alignment_Check): New procedure.

	* debug.adb: Add -gnatdM for modified ALI output

	* exp_pakd.adb (Known_Aligned_Enough): Replaces Known_Aligned_Enough.

	* lib-xref.adb: Extend generation of <..> notation to cover
	subtype/object types. Note that this is a complete rewrite,
	getting rid of the very nasty quadratic algorithm previously
	used for derived type output.

	* lib-xref.ads: Extend description of <..> notation to cover
	subtype/object types. Uses {..} for these other cases.
	Also use (..) for pointer types.

	* sem_util.adb (Check_Potentially_Blocking_Operation): Slight cleanup.

	* exp_pakd.adb: Minor reformatting.  Note that prevous RH should say:
	(Known_Aligned_Enough): Replaces Must_Be_Aligned.

2001-12-11  Vincent Celier <celier@gnat.com>

	* gnatcmd.adb:
	Changed /COMPILE_ONLY to /ACTIONS=COMPILE
	Changed /BIND_ONLY to /ACTIONS=BIND
	Changed /LINK_ONLY to /ACTIONS=LINK

2001-12-11  Ed Schonberg  <schonber@gnat.com>

	* sem_ch8.adb (Find_Selected_Component): improved search for a
	candidate package in case of error.

	* sem_ch12.adb (Inline_Instance_Body): place head of use_clause
	chain back on scope stack before reinstalling use clauses.

	* exp_ch5.adb (Expand_N_If_Statement): if Constant_Condition_Warnings
	is enabled, do not kill the code for the condition, to preserve
	warning.

2001-12-11  Robert Dewar <dewar@gnat.com>

	* checks.adb (Insert_Valid_Check): Apply validity check to expression
	of conversion, not to result of conversion.

2001-12-11  Ed Schonberg <schonber@gnat.com>

	* sem_ch3.adb (Build_Derived_Record_Type): set Controlled flag
	before freezing parent. If the declarations are mutually recursive,
	an access to the current record type may be frozen before the
	derivation is complete.

2001-12-05  Vincent Celier <celier@gnat.com>

	* gnatcmd.adb: (MAKE): Add new translations: -b /BIND_ONLY,
	-c /COMPILE_ONLY, -l /LINK_ONLY

	* opt.ads:
	(Bind_Only): New Flag
	(Link_Only): New flag

	* switch.adb (Scan_Make_Switches): Add processing for -b (Bind_Only)
	and -l (Link_Only)

	* makeusg.adb: Add new switches -b and -l. Update Copyright notice.

	* make.adb:
	(Do_Compile_Step, Do_Bind_Step, Do_Link_Step): New flags.
	(Gnatmake): Set the step flags. Only perform a step if the
	corresponding step flag is True.
	(Scan_Make_Arg): Reset the bind and link step flags when -u
	or -gnatc has been specified.

2001-12-05  Ed Schonberg <schonber@gnat.com>

	* sem_eval.adb (Eval_Concatenation): If left operand is a null string,
	get bounds from right operand.

	* sem_eval.adb: Minor reformatting

	* exp_util.adb (Make_Literal_Range): use bound of literal rather
	than Index'First, its lower bound may be different from 1.

	* exp_util.adb: Undo earlier change, fixes ACVC regressions C48009B
	and C48009J

2001-12-05  Vincent Celier <celier@gnat.com>

	* prj-nmsc.adb Minor reformatting

	* prj-nmsc.adb (Language_Independent_Check): Reset Library flag if
	set and libraries are not supported.

2001-12-05  Ed Schonberg <schonber@gnat.com>

	* sem_ch3.adb (Build_Derived_Private_Type): set Public status of
	private view explicitly, so the back-end can treat as a global
	when appropriate.

2001-12-05  Ed Schonberg <schonber@gnat.com>

	* sem_ch12.adb (Instantiate_Package_Body): if instance is a compilation
	 unit, always replace instance node with new body, for ASIS use.

2001-12-05  Vincent Celier <celier@gnat.com>

	* prj-nmsc.adb (Language_Independent_Check): Issue a warning if
	libraries are not supported and both attributes Library_Name and
	Library_Dir are specified.

	* prj-proc.adb (Expression): Set location of Result to location of
	first term.

	* Makefile.in: Add mlib.o, mlib-fil.o, mlib-tgt and mlib-utl to GNATLS.
	(prj-nmsc is now importing MLib.Tgt)

	* prj-proc.adb: Put the change indicated above that was forgotten.

2001-12-05  Robert Dewar <dewar@gnat.com>

	* Makefile.in: Add dependencies for System.IO for GNAT.Regexp

2001-12-05  Ed Schonberg <schonber@gnat.com>

	* sem_ch3.adb (Build_Derived_Concurrent_Type): If derivation imposes a
	constraint, introduce explicit subtype declaration and derive from it.

	* sem_ch3.adb: Minor reformatting

2001-12-05  Robert Dewar <dewar@gnat.com>

	* checks.adb (Determine_Range): Increase cache size for checks.
	Minor reformatting

	* exp_ch6.adb: Minor reformatting
	(Expand_N_Subprogram_Body): Reset Is_Pure for any subprogram that has
	a parameter whose root type is System.Address, since treating such
	subprograms as pure in the code generator is almost surely a mistake
	that will lead to unexpected results.

	* exp_util.adb (Remove_Side_Effects): Clean up old ??? comment and
	change handling of conversions.

	* g-regexp.adb: Use System.IO instead of Ada.Text_IO.

2001-12-05  Ed Schonberg <schonber@gnat.com>

	* sem_ch3.adb (Analyze_Object_Declaration): If expression is an
	aggregate with static wrong size, attach generated Raise node to
	declaration.

2001-12-05  Robert Dewar <dewar@gnat.com>

	* sem_attr.adb (Analyze_Attribute): Defend against bad Val attribute.
	Fixes compilation abandoned bomb in B24009B.

2001-12-05  Ed Schonberg <schonber@gnat.com>

	* sem_ch12.adb:
	Document use of Associated_Node on Selected_Components.
	(Save_Global_Operand_Descendants): Change to Save_Entity_Descendants,
	to clarify use of untyped descendant fields.

2001-12-05  Robert Dewar <dewar@gnat.com>

	* prj-dect.ads: Add ??? comment
	Add 2001 to copyright notice (was not done in after all)

	* prj-part.adb: Minor reformatting. Reword one awkward error message.

	* prj.ads: Minor reformatting throughout, and add some ??? comments

	* snames.ads: Minor reformatting

2001-12-05  Geert Bosch <bosch@gnat.com>

	* snames.adb: Autoupdate

2001-12-05  Vincent Celier <celier@gnat.com>

	* prj-dect.adb (Parse): Rename parameter Modifying to Extends.

	* prj-dect.ads (Parse): Rename parameter Modifying to Extends.

	* prj-env.adb: Minor comment changes (modifying -> extends).

	* prj-nmsc.adb: Minor comment changes (modifying -> extends).

	* prj-part.adb (Parse_Single_Project): Change Tok_Modifying to
	Tok_Extends.

	* prj.adb (Initialize): Change Modifying to Extends.

	* scans.ads (Token_Type): Change Tok_Modifying to Tok_Extends.

	* prj.ads: Minor comment change (Modifying -> extending).

	* snames.ads: Change modifying to extends.

2001-12-05  Robert Dewar <dewar@gnat.com>

	* sem_warn.adb: Remove stuff for conditionals, we are not going to
	do this after all.

	* sem_warn.ads: Remove stuff for conditionals, we are not going to
	do this after all.  Add 2001 to copyright notice

2001-12-04  Geert Bosch <bosch@gnat.com>

	*  einfo.h, sinfo.h, treeprs.ads: Regenerate.

2001-12-04  Robert Dewar <dewar@gnat.com>

	* errout.adb (Error_Msg): Ignore attempt to put error msg at junk
	location if we already have errors. Stops some cases of cascaded
	errors.

	* errout.adb: Improve comment.

2001-12-04  Robert Dewar <dewar@gnat.com>

	* sem_ch12.adb:
	(Analyze_Formal_Type_Definition): Defend against Error.
	(Analyze_Formal_Subprogram): Defend against Error.

	* par-ch12.adb (F_Formal_Type_Declaration): In case of error,
	remove following semicolon if present. Removes cascaded error.

2001-12-04  Douglas B. Rupp <rupp@gnat.com>

	* bindgen.adb:
	(Gen_Exception_Table_Ada): Write "begin" and then return if Num
	 exceptions equals 0.
	(Gen_Exception_Table_C): Return if Num exceptions equals 0.
	Fixes PIWG E tests (which have to be run with -gnatL).

2001-12-04  Robert Dewar <dewar@gnat.com>

	* einfo.ads: Minor reformatting

2001-12-04  Ed Schonberg <schonber@gnat.com>

	* einfo.ads: Block_Node points to the identifier of the block, not to
	the block node itself, to preserve the link when the block is
	rewritten, e.g. within an if-statement with a static condition.

	* inline.adb (Cleanup_Scopes): recover block statement from block
	entity using new meaning of Block_Node.

	* sem_ch5.adb (Analyze_Block_Statement): set Block_Node to point to
	identifier of block node, rather than to node itself.

2001-12-04  Gary Dismukes <dismukes@gnat.com>

	* layout.adb:
	(Get_Max_Size): Fix "start of processing" comment to say Get_Max_Size.
	(Discrimify): Go back to setting the Etypes of the selected component
	because the Vname component does not exist at this point and will
	fail name resolution. Also set Analyzed.
	Remove with and use of Sem_Res.

2001-12-04  Arnaud Charlet <charlet@gnat.com>

	* Makefile.in: (HIE_SOURCES): add s-fat*.

2001-12-04  Robert Dewar <dewar@gnat.com>

	* sem_attr.adb:
	(Compile_Time_Known_Attribute): New procedure.
	(Eval_Attribute, case Size): Use Compile_Time_Known_Attribute to ensure
	 proper range check.

2001-12-04  Ed Schonberg <schonber@gnat.com>

	* sem_ch7.adb (New_Private_Type): Set Is_Tagged_Type flag before
	processing discriminants to diagnose illegal default values.

2001-12-04  Ed Schonberg <schonber@gnat.com>

	* sem_attr.adb (Resolve_Attribute): Handle properly an non-classwide
	access discriminant within a type extension that constrains its
	parent discriminants.

2001-12-04  Ed Schonberg <schonber@gnat.com>

	* sem_ch3.adb (Find_Type_Of_Subtype_Indic): If subtype indication
	is malformed, use instance of Any_Id to allow analysis to proceed.

	* par-ch12.adb (P_Formal_Type_Declaration): Propagate Error if
	type definition is illegal.
	(P_Formal_Derived_Type_Definition): Better recovery when TAGGED is
	misplaced.

2001-12-04  Ed Schonberg <schonber@gnat.com>

	* sem_warn.adb (Output_Unreferenced_Messages): Extend previous fix to
	constants.

2001-12-04  Robert Dewar <dewar@gnat.com>

	* errout.adb: Minor reformatting

2001-12-04  Robert Dewar <dewar@gnat.com>

	* exp_util.adb: Minor reformatting from last change

	* errout.adb (Check_For_Warning): For a Raised_Constraint_Error node
	which is a rewriting of an expression, traverse the original
	expression to remove warnings that may have been posted on it.

2001-12-04  Ed Schonberg <schonber@gnat.com>

	* exp_util.adb (Must_Be_Aligned): Return false for a component of a
	record that has other packed components.

2001-12-04  Douglass B. Rupp <rupp@gnat.com>

	* adaint.c: Minor cleanups.

2001-12-04  Douglass B. Rupp <rupp@gnat.com>

	* adaint.c: Do not use utime.h on vxworks.

2001-12-04  Arnaud Charlet <charlet@gnat.com>

	* Makefile.adalib: Clarify step 3 (use of gnat.adc) as it causes
	more confusion than it solves.

2001-12-04  Geert bosch <bosch@gnat.com>

	* einfo.h, nmake.adb, nmake.ads, sinfo.h treeprs.ads: Regenerate.

2001-12-04  Geert Bosch  <bosch@gnat.com>

	* Makefile.in (update-sources): New target.
	For use by gcc_release script.

2001-12-04  Ed Schonberg <schonber@gnat.com>

	* sem_prag.adb (Analyze_Pragma, case Validity_Checks): do not treat as
	a configuration pragma, it is now legal wherever a pragma can appear.

2001-12-04  Zack Weinberg  <zack@codesourcery.com>

	* Makefile.in: Don't set ALL.  Delete @cross_defines@,
	@cross_overrides@, @build_overrides@ stanzas.  INTERNAL_CFLAGS
	is now @CROSS@ -DIN_GCC; update comment.

2001-12-04  Robert Dewar <dewar@gnat.com>

	* einfo.adb (Has_Pragma_Pure_Function): New flag.
	Fix problem that stopped ceinfo from working

	* einfo.ads (Has_Pragma_Pure_Function): New flag.

	* sem_prag.adb (Pure_Function): Set new flag Has_Pragma_Pure_Function.

2001-12-04  Douglas B. Rupp <rupp@gnat.com>

	* gnatchop.adb:
	(File_Time_Stamp): New procedure.
	(Preserve_Mode): New boolean.
	(Write_Unit): Pass time stamp.
	Implement -p switch (preserve time stamps).

	* gnatcmd.adb (CHOP): Add translation for -p (/PRESERVE).

	* gnatchop.adb: Do usage info for -p switch

	* adaint.h (__gnat_set_file_time_name): New function

	* adaint.c (__gnat_set_file_time_name): Implement

	* adaint.h: Fix typo

2001-12-03  Robert Dewar <dewar@gnat.com>

	* sinfo.ads: Minor reformatting. N_Freeze_Entity node does not
        have Associated_Node.

2001-12-03  Robert Dewar <dewar@gnat.com>

	* prj-proc.adb: Minor reformatting

	* make.adb: Minor reformatting

2001-12-03  Geert Bosch <bosch@gnat.com>

	* make.adb: Minor reformatting.

2001-12-03 Robert Dewar  <dewar@gnat.com>

	* sem_ch12.adb: Minor reformatting

2001-12-03  Ed Schonberg <schonber@gnat.com>

	* sem_ch12.adb (Inline_Instance_Body): Use Save_Scope_Stack and
	push Standard on the stack before analyzing the instance body,
	in order to have a clean visibility environment.

	* sem_ch12.adb (Inline_Instance_Body): Remove redundant code.

2001-12-03  Ed Schonberg <schonber@gnat.com>

	* sem_ch12.adb (Instantiate_Package_Body): Protect against double
	instantiation of a body that contains an inlined body.

2001-12-03  Ed Schonberg <schonber@gnat.com>

	* sem_ch12.adb:
	(Analyze_generic_subprogram_Declaration): Set outer_generic_scope,
	to prevent freezing within formal packages.
	(Freeze_Subprogram_Body): If body comes from another instance that
	appeared before its own body, place freeze node at end of current
	declarative part, to prevent a back-end crash.
	(Inline_Instance_Body): Handle properly a package instance within
	a subprogram instance that is a child unit.

2001-12-01  Graham Stott  <grahams@redhat.com>

	* Makefile.in (misc.o): Add missing $(srcdir) prefix
	and add optabs.h dependency.

	* misc.c: Include optabs.h
	(gnat_tree_code_type): Make static and const.
	(gnat_tree_code_length): Likewise.
	(gnat_tree_code_name): Likewise.
	(update_setjmp_buf): Obtain operands mode from insn_data.

2001-11-29  Richard Henderson  <rth@redhat.com>

	* init.c: Remove obsolete dwarf2 frame.h section.

2001-11-29  Joseph S. Myers  <jsm28@cam.ac.uk>

	* Make-lang.in (ada.generated-manpages): New dummy target.

2001-11-29  Ed Schonberg <schonber@gnat.com>

	* g-os_lib.adb (Add_To_Command): use explicit loop to move string
	into Command, an array conversion is illegal here. Uncovered by
	ACATS B460005.

2001/11/28  Geert Bosch <bosch@gnat.com>

	* init.c: Minor whitespace changes.

2001-11-28  Doug Rupp <rupp@gnat.com>

	* init.c: (__gnat_install_handler,VMS): Increase size of alternate
	signal stack.

2001-11-28  Zack Weinberg  <zack@codesourcery.com>

	* misc.c (gnat_expand_constant): Move declaration above
	definition of lang_hooks.
	(LANG_HOOKS_EXPAND_CONSTANT): Set to gnat_expand_constant.
	(gnat_init): lang_expand_constant no longer exists.

	(internal_error_function): Remove #ifdef HAVE_VPRINTF.  We
	always have vprintf.
	(gnat_init): Always call set_internal_error_function.

2001-11-27  Andreas Jaeger  <aj@suse.de>

	* Makefile.in (stamp-tool_src_dir): Use symbolic link.

2001-11-27  Laurent Guerby  <guerby@acm.org>

	* Makefile.in: Regenerate Ada dependencies.

2001-11-26  Richard Henderson  <rth@redhat.com>

	* Make-lang.in (gnatbind, gnatmake, gnatbl, gnatchop, gnatcmd,
	gnatlink, gnatkr, gnatls, gnatmem, gnatprep, gnatpsta, gnatpsys,
	gnatxref, gnatfind, gnatlbr): Depend on CONFIG_H and prefix.o.

2001-11-25  Laurent Guerby  <guerby@acm.org>

	* sysdep.c (rts_get_*): Fix style.

2001-11-19  Laurent Guerby  <guerby@acm.org>

	* Makefile.in (INCLUDES_FOR_SUBDIR): Remove redundant system include
	since it is of no apparent use and cause warnings.

2001-11-18  Neil Booth  <neil@daikokuya.demon.co.uk>

	* misc.c (gnat_decode_option, gnat_init_options): Make definitions
	static too.
	(gnat_init): Don't return NULL.
	(finish_parse): Remove.

2001-11-17  Laurent Guerby  <guerby@acm.org>

	* Make-lang.in (GNATLIBFLAGS): Add -W -Wall.
	* gigi.h (init_decl_processing): Rename to gnat_init_decl_processing.
	* io-aux.c: Provide K&R prototypes to all functions, reformat code.
	* lang-spec.h: Add missing struct field to silence warnings.
	* sysdep.c (rts_get_*): Provide K&R prototype.
	* sysdep.c (Unlock_Task, Lock_Task): Move to K&R prototype.
	* traceback.c (Unlock_Task, Lock_Task): Likewise.
	* tracebak.c (__gnat_backtrace): Remove unused variable.
	* utils.c (end_subprog_body): Move to K&R style.

Thu Nov 15 18:16:17 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

	* trans.c, utils2.c: Remove PALIGN parameter to get_inner_reference.

2001-11-15  Neil Booth  <neil@daikokuya.demon.co.uk>

	* misc.c (gnat_init): Change prototype.  Include the
	functionality of the old init_parse and init_decl_processing.
	(gnat_init_decl_processing): New prototype.
	(init_parse): Remove.
	* utils.c (init_decl_processing): Rename gnat_init_decl_processing.

2001-11-09  Neil Booth  <neil@daikokuya.demon.co.uk>

	* misc.c (gnat_print_decl, gnat_print_type): Renamed.
	(LANG_HOOKS_PRINT_DECL, LANG_HOOKS_PRINT_TYPE): Override.
	(print_lang_statistics, lang_print_xnode, print_lang_identifier,
	set_yydebug): Remove.

2001-11-09  Neil Booth  <neil@daikokuya.demon.co.uk>

	* misc.c (LANG_HOOKS_NAME, LANG_HOOKS_IDENTIFIER_SIZE): Override.
	(struct lang_hooks): Constify.
	(language_string, lang_identify): Remove.
	* utils.c (init_decl_processing): Update.

2001-11-06  Neil Booth  <neil@cat.daikokuya.demon.co.uk>

	* misc.c: Include langhooks-def.h.
	* Makefile.in: Update.

2001-10-30  Robert Dewar <dewar@gnat.com>

	* style.adb:
	(Check_Identifier): Rewrite circuit to be compatible with use of letters
	in the upper half of ASCII.
	(Check_Identifier): Minor reformatting

2001-10-30  Geert Bosch <bosch@gnat.com>

	* (Associated_Node, Set_Associated_Node): Do not check for
	Freeze_Entity.

2001-10-30  Robert Dewar <dewar@gnat.com>

	* a-reatim.ads: Minor reformatting

2001-10-30  Robert Dewar <dewar@gnat.com>

	* gnatdll.adb: Minor reformatting throughout. Many ??? added for
	undocumented declarations.

2001-10-30  Pascal Obry <obry@gnat.com>

	* gnatdll.adb (Parse_Command_Line): handle -g option to be passed
	to the binder and linker.
	Minor style fix.

	* mdll.ads: Fix layout.  Update copyright notice.

	* mdll.adb: Fix layout.  Update copyright notice.

2001-10-30  Robert Dewar <dewar@gnat.com>

	* usage.adb: Minor fix to output for -gnaty.

2001-10-30  Ed Schonberg <schonber@gnat.com>

	* a-reatim.ads: Makes Seconds_Count into a 64-bit integer,
	to accommodate all its possible values.

	* a-reatim.adb (Split): Special-case handling of Time_Span_First
	and of small absolute values of T.

2001-10-30  Richard Kenner <kenner@gnat.com>

	* misc.c (gnat_expand_expr, case NULL_EXPR): Remove call to
	set_mem_attributes since not needed and wrong if RESULT if a REG;
	fixes ACATS failures.

2001-10-30  Geert Bosch <bosch@gnat.com>

	* 86numaux.adb, a-tigeau.ads, a-wtgeau.ads, fname-sf.ads, g-traceb.ads,
	s-tasdeb.ads, sem_maps.ads: Add 2001 to copyright notice.

2001-10-30  Robert Dewar <dewar@gnat.com>

	* bindusg.adb: Undocument -f switch.

	* gnatcmd.adb: Remove /FULL_ELABORATION.

	* opt.ads (Force_RM_Elaboration_Order): Document that this is
	obsolescent.

	* gnatbind.adb: Output new warning for use of obsolescent -f switch.

	* gnatbind.adb: Minor update of warning msg.

2001-10-30  Vincent Celier <celier@gnat.com>

	* gnatcmd.adb (MAKE, BIND, LINK, LIST, FIND, XREF): Add translations
	for project file switches (-P (/PROJECT_FILE=),
	 -X (/EXTERNAL_REFERENCE=) and -vPx (/PROJECT_FILE_VERBOSITY=DEFAULT
	or MEDIUM or HIGH)

2001-10-30  Geert Bosch <bosch@gnat.com>

	* decl.c: Minor whitespace fixes.

2001-10-30  Richard Kenner <kenner@gnat.com>

	* utils2.c (build_allocator): Test for SIZE overflow in array case too

2001-10-30  Geert Bosch <bosch@gnat.com>

	* ali-util.adb (Initialize_Checksum): Use out-mode instead of in out.
	Found due to GCC 3.0 warning of using uninitialized value.

	* layout.adb:
	(Get_Max_Size): Use variant record for tracking value/expression.
	 Makes logic clearer and prevents warnings for uninitialized variables.
	(Layout_Array_Type): Use variant record for tracking value/expression.
	 Makes logic clearer and prevents warnings for uninitialized variables.

2001-10-30  Robert Dewar <dewar@gnat.com>

	* lib.adb: Minor reformatting

	* s-taprop.ads: Minor reformatting

2001-10-29  Laurent Guerby  <guerby@acm.org>

	* init.c:
	(Raise_From_Signal_Handler, Propagate_Signal_Exception): Make arg
	const.
	(_gnat_error_handler): Make MSG const.

2001-10-29  Richard Kenner <kenner@gnat.com>

	* sysdep.c: Fix localtime_r problem on LynxOS.
	Also remove #elif to avoid warnings.

	* misc.c (yyparse): Don't set up and register jmpbuf; remove decls
	used by this.

	* decl.c (annotate_value): Make SIZE unsigned to avoid warning.

2001-10-28  Joseph S. Myers  <jsm28@cam.ac.uk>

	* 86numaux.adb, a-tigeau.ads, a-wtgeau.ads, decl.c, exp_ch6.adb,
	exp_ch9.adb, exp_util.adb, fname-sf.ads, freeze.ads, g-awk.adb,
	g-comlin.ads, g-dirope.adb, g-dyntab.ads, g-socket.ads,
	g-table.ads, g-traceb.ads, gnat-style.texi, gnatchop.adb, init.c,
	layout.adb, layout.ads, mdllfile.ads, mlib-fil.ads, osint.ads,
	s-fatgen.adb, s-imgrea.adb, s-taprop.ads, s-tasdeb.ads,
	sem_aggr.adb, sem_attr.adb, sem_case.ads, sem_ch13.adb,
	sem_ch3.adb, sem_elab.adb, sem_maps.ads, sem_res.adb,
	sem_util.ads, sinfo.ads, sinput.ads, table.adb, table.ads,
	types.ads, urealp.adb: Fix spelling errors.

2001-10-27  Laurent Guerby <guerby@acm.org>

	* trans.c (gigi): Fix non determinism leading to bootstrap
	comparison failures for debugging information.

2001-10-26  Florian Weimer  <fw@deneb.enyo.de>

	* gnat_rm.texi: Use @./@: where appropriate.

2001-10-26  Robert Dewar <dewar@gnat.com>

	* sinfo.adb: Define Associated_Node to overlap Entity field. Cleanup.

2001-10-26  Richard Kenner <kenner@gnat.com>

	* gmem.c (__gnat_gmem_read_next): Properly check for EOF

2001-10-26  Richard Kenner <kenner@gnat.com>

	* decl.c (validate_size): Modify message for bad size to avoid
	implication that compiler is modifying the size.

2001-10-26  Robert Dewar <dewar@gnat.com>

	* prj-util.adb: Minor reformatting. Fix bad header format.

2001-10-26  Robert Dewar <dewar@gnat.com>

	* sinfo.ads: Define Associated_Node to overlap Entity field. Cleanup.

	* sinfo.ads: Clarify use of Associated_Node (documentation only).

	* sem_ch12.adb: Change Node4 to Associated_Node. Change
	Associated_Node to Get_Associated_Node. Put use of Unchecked_Access
	much more narrowly in places where needed. These are cleanups.

2001-10-26  Joel Brobecker <brobecke@gnat.com>

	* 5zosinte.ads (null_pthread): new constant.

	* 5ztaprop.adb:
	(Initialize_TCB): Initialize thread ID to null, to be able to verify
	 later that this field has been set.
	(Finalize_TCB): ditto.
	(Suspend_Task): Verify that the thread ID is not null before using it.
	(Resume_Task): ditto.

	* s-tasdeb.adb:
	(Resume_All_Tasks): Lock the tasks list before using it.
	(Suspend_All_Tasks): ditto.

2001-10-26  Richard Kenner <kenner@gnat.com>

	* decl.c (gnat_to_gnu_entity, case E_General_Access_Type):
	Make constant variant of designated type for Is_Access_Constant.
	Call update_pointer_to with main variant.

	* trans.c (process_freeze_entity, process_type):
	Call update_pointer_to on main variant.

	* utils.c (update_pointer_to): Make corresponding variant for NEW_TYPE.
	If main variant, update all other variants.

	* utils2.c (build_unary_op, case INDIRECT_REF): No longer set
	TREE_STATIC.

2001-10-26  Robert Dewar <dewar@gnat.com>

	* prj-util.adb: Minor reformatting

2001-10-26  Robert Dewar <dewar@gnat.com>

	* prj-util.adb: Minor reformatting

2001-10-26  Robert Dewar <dewar@gnat.com>

	* prj-attr.adb: Minor reformatting throughout

2001-10-26  Robert Dewar <dewar@gnat.com>

	* prj-attr.ads: Minor reformatting
	Add ??? comment (this whole spec has almost no comments)

2001-10-26  Vincent Celier <celier@gnat.com>

	* g-os_lib.adb (Normalize_Pathname): Preserve the double slash
        ("//") that precede the drive letter on Interix.

2001-10-26  Geert Bosch <bosch@gnat.com>

	* gnat_rm.texi: Add GNAT Reference Manual.

2001-10-25  Robert Dewar <dewar@gnat.com>

	* sem_ch8.adb (Analyze_Package_Renaming): Skip analysis if Name
        is Error. Similar change for other renaming cases.

2001-10-25  Robert Dewar <dewar@gnat.com>

	* s-atacco.ads: Add pragma Inline_Always for functions.
	Fix header format. Add copyright 2001

2001-10-25  Ed Schonberg <schonber@gnat.com>

	* par-ch3.adb (P_Subtype_Mark_Resync): for an anonymous array
        return Error rather than Empty so that analysis can proceed.

2001-10-25  Ed Schonberg <schonber@gnat.com>

	* sem_util.adb (Enter_Name): better handling of cascaded error
        messages when a unit appears in its own context.

2001-10-25  Ed Schonberg <schonber@gnat.com>

	* sem_util.adb (Defining_Entity): in case of error, attach created
        entity to specification, so that semantic analysis can proceed.

2001-10-25  Robert Dewar <dewar@gnat.com>

	* sem_util.adb
        (Defining_Entity): Deal with Error.
	(Process_End_Label): Deal with bad end label for.

2001-10-25  Ed Schonberg <schonber@gnat.com>

	* sem_elab.adb (Check_A_Call): refine message when call is in an
	instance but callee is not declared in the generic unit.

2001-10-25  Ed Schonberg <schonber@gnat.com>

	* sem_elab.adb (Check_A_Call): check for renaming before finding the
	enclosing unit, which may already be different from the calling unit.

2001-10-25  Geert Bosch <bosch@gnat.com>

	* 4gintnam.ads: fix header format.

2001-10-25  Ed Schonberg <schonber@gnat.com>

	* sem_res.adb (Resolve_Call): if the call is actually an indexing
        operation on the result of a parameterless call, perform elaboration
        check after the node has been properly rewritten.

	* sem_ch12.adb (Copy_Generic_Node): after the proper body has been
        inlined within the generic tree, the defining identifier is not a
        compilation_unit.

2001-10-25  Ed Schonberg <schonber@gnat.com>

	* sem_res.adb (Resolve): special-case resolution of Null in an
         instance or an inlined body to avoid view conflicts.

	* sem_ch12.adb (Copy_Generic_Node): for allocators, check for view
         compatibility by retrieving the access type of the generic copy.

2001-10-25  Robert Dewar <dewar@gnat.com>

	* sem_ch3.adb:
	(Analyze_Number_Declaration): Handle error expression.
	(Signed_Integer_Type_Declaration): Handle error bound.
	(Analyze_Subtype_Indication): Handle error range.

	* sem_util.adb (Get_Index_Bounds): Check for Error.

2001-10-25  Robert Dewar <dewar@gnat.com>

	* restrict.adb (Set_No_Run_Time_Mode): Set Discard_Names as default
	in no run time mode.

2001-10-25  Pascal Obry <obry@gnat.com>

	* gnatmem.adb (Read_Next): fix Curs2 value to properly handle quiet
        mode case for ALLOC case.

	* gnatmem.adb (Read_Next): correctly fix parsing in Quiet mode on
        all platforms. Improvement of last change.

2001-10-25  Robert Dewar <dewar@gnat.com>

	* exp_ch4.adb (Expand_N_Allocator): Minor reformatting.

2001-10-25  Geert Bosch  <bosch@gnat.com>

	* osint.adb (Is_Relative): Remove duplicate.

2001-10-25  Pascal Obry <obry@gnat.com>

	* osint.adb (Read_Default_Search_Dirs): correctly detect relative
        pathnames in UNIX and DOS style with drive letter.
	(Is_Relative): new routine.

	* osint.adb: Minor reformatting

	* osint.adb (Is_Relative): implementation using
        GNAT.OS_Lib.Is_Absolute_Path. Better fix.

2001-10-25  Pascal Obry <obry@gnat.com>

	* g-dirope.adb (Basename): correctly compute offset between the
        original Path and the translated one.

	* g-dirope.adb: (Base_Name): add some comments.

2001-10-25  Robert Dewar <dewar@gnat.com>

	* exp_imgv.adb (Expand_Image_Attribute): Defend against bad use
        in HIE mode, avoids compilation abandoned message

	* exp_imgv.adb: Correct typo in previous change

	* exp_imgv.adb: Correct typo in previous change (not my day!)

2001-10-25  Robert Dewar <dewar@gnat.com>

	* s-tpinop.ads: Add 2001 to copyright notice. Fix header format.

2001-10-25  Pascal Obry <obry@gnat.com>

	* g-awk.ads: Move all pragma inlines next to the routine
	 declarations. This is more uniform with other GNAT spec.

2001-10-22  Geert Bosch  <bosch@gnat.com>

	* Make-lang.in (gnattools, cross-gnattools): Remove gnatmem.

2001-10-19  Geert Bosch  <bosch@gnat.com>

	* Makefile.in (tools, gnattools): Remove gnatmem.

2001-10-17  Richard Henderson  <rth@redhat.com>

	* Makefile.in (misc.o): Depend on langhooks.h.
	* misc.c: Include it.
	(LANG_HOOKS_INIT, LANG_HOOKS_INIT_OPTIONS): New.
	(LANG_HOOKS_DECODE_OPTION): New.
	(lang_hooks): Use LANG_HOOKS_INITIALIZER.

2001-10-16  Florian Weimer  <fw@deneb.enyo.de>

	* trans.c (tree_transform): Adjust to recent change in
	expand_asm_operands to implement named asm operands.

2001-10-11  Ed Schonberg  <schonber@gnat.com>

	* exp_ch8.adb (Expand_N_Object_Renaming_Declaration): Bugfix in
	renaming of discriminant for mutable record type.

2001-10-11  Robert Dewar  <dewar@gnat.com>

	* validsw.adb: Properly save -gnatVn status.

2001-10-11  Robert Dewar <dewar@gnat.com>

	* usage.adb: Add lines for V switch.

	* gnatcmd.adb (COMPILE): Revise translations for -gnatV
	(/VALIDITY_CHECKING).

2001-10-11  Ed Schonberg <schonber@gnat.com>

	* sem_type.adb (Add_One_Interp): an operator for a type declared in
	an extension of System is known to be visible.

2001-10-11  Ed Schonberg <schonber@gnat.com>

	* sem_eval.adb (Compare_Fixup): get the bounds of a String_Literal
	properly. Fixes regression on ACATS C34005G.

2001-10-11  Robert Dewar <dewar@gnat.com>

	* sem_ch5.adb (Analyze_Iteration_Scheme): Suppress warning on null
	loop in generic instance, since this is likely not very useful.

2001-10-11  Robert Dewar <dewar@gnat.com>

	* restrict.adb (Disallow in No_Run_Time_Mode): Properly specialize
	the error message for high integrity mode.

	* rtsfind.adb (RTE): Give message if we try to find an entity that
	is not available in high integrity mode.

	* rtsfind.ads:
	(OK_To_Use_In_HIE_Mode): New array.
	(RTE): May return Empty in high integrity mode.

	* rtsfind.ads (OK_To_Use_In_No_Run_Time_Mode): New name for
	OK_To_Use_In_HIE_Mode, now includes System_FAT_xxx.

	* sem_ch6.adb (Analyze_Subprogram_Body): Kill body in predefined
	unit if not inlined always and in no runtime mode. Fixes problem
	caused by new Rtsfind changes.

	* sem_ch6.adb (Analyze_Subrogram_Body): Do not Check_References if
	body is deleted.

	* rtsfind.adb (RTE): Make sure we do not try to load unit after
	giving message for entity not available in high integrity mode.

2001-10-11  Pascal Obry <obry@gnat.com>

	* impunit.adb: Add GNAT.CRC32.

2001-10-11  Ed Schonberg <schonber@gnat.com>

	* exp_fixd.adb (Expand_Multiply_Fixed_By_Fixed_Giving_Fixed): handle
	properly the case where one universal operand in a non-static
	exponentiation of a real literal.

2001-10-11  Ed Schonberg <schonber@gnat.com>

	* exp_ch7.adb (Find_Final_List): for a type appearing in a with_type
	clause, return the gobal finalization list, for lack of anthing else.

2001-10-11  Ed Schonberg <schonber@gnat.com>

	* exp_ch7.adb (Make_Transient_Block): if statement is within
	exception handler, always use new transient scope to place Clean
	procedure.

2001-10-11  Pascal Obry <obry@gnat.com>

	* Makefile.in:
	(GNAT_ADA_OBJS): add g-crc32.o, a-tags.o, a-stream.o
	(GNATBIND_OBJS): add g-crc32.o, a-tags.o, a-stream.o
	(GNATLS_RTL_OBJS): add g-crc32.o
	(GNATMAKE_RTL_OBJS): add g-crc32.o

	* ali-util.adb:
	(CRC_Match): new function.
	(Get_File_Checksum): renamed Get_File_CRC. Use the GNAT.CRC32 unit
	instead of the previous simple checksum algorithm.
	(Time_Stamp_Mismatch): use CRC_Match for comparison.
	(Set_Source_Table): idem.

	* ali-util.ads:
	(Get_File_Checksum): renamed Get_File_CRC as now we compute CRC
	instead of simple checksum.
	(CRC_Match): new function.
	(CRC_Error): new constant.

	* ali.adb (Scan_ALI): rename variable Chk to CRC as we are handling
	a CRC now and not a simple checksum. A CRC uses lower-case hex
	letters, fixes ambiguity in parsing.

	* ali.ads (Sdep_Record.Checksum): renamed Sdep_Record.CRC as this
	is what this variable will store.

	* bcheck.adb: Change reference to chechsum in comments by CRC.
	(Check_Consistency): Rename Get_File_Checksum to Get_File_CRC.
	rename All_Checksum_Match to All_CRC_Match. Change due to API
	renaming since now GNAT does not use a simple checksum but a
	CRC using GNAT.CRC32.

	* gnatls.adb: Rename Checksum to CRC in many places, we use a CRC
	now and not anymore a simple checksum.

	* lib-load.adb: Use Source_CRC instead of Source_Checksum in many
	places.

	* lib-writ.adb (Write_ALI): Use Source_CRC instead of Source_Checksum.

	* scans.adb:
	(Restore_Scan_State): rename Checksum to CRC.
	(Save_Scan_State): idem.

	* scans.ads:
	With GNAT.CRC32.
	(Checksum): rename to CRC.
	(Saved_Scan_State): Save_Checksum field renamed to Save_CRC

	* scn-nlit.adb: Rename many Accumulate_Checksum to Update (from
	GNAT.CRC32).  Update copyright notice.

	* scn-slit.adb: Rename many Accumulate_Checksum to Update (from
	GNAT.CRC32).  Update copyright notice.

	* scn.adb:
	(Accumulate_Checksum): removed.
	(Update): new procedure. Add a wide-character into the CRC.

	* sinput-l.adb:
	(Complete_Source_File_Entry): use CRC32 instead of simple checksum.
	(Load_File): fix initialization of S (change Source_Checksum to
	Source_CRC)

	* sinput-p.adb (Load_Project_File): rename Source_Checksum to
	Source_CRC in S initialization.

	* sinput.adb (Source_Checksum): renamed to Source_CRC.

	* sinput.ads (Source_Checksum): renamed to Source_CRC.
	Update comments for the CRC.

	* types.adb (Hex): Use lowercase for the letter part.

	* types.ads (Get_Hex_String): Returns the hexadecimal representation
	for a word. This is currently used only for CRC. In previous version,
	the checksum was using a representation with all letter being
	upper-case. With the new implementation (using CRC) we do not remove
	the 32th bit of the CRC, so we can have an upper-case starting letter
	in the CRC. This is not possible to parse in Scan_ALI (ali.adb).
	It is ambigous since the CRC was optional and could be followed by
	options like EB, EE. So now this routines uses lower-case letter for
	the hexadecimal representation. Strange enough only lower case letters
	where checked in Scan_ALI (even if this was not a possible case).

	* gnatvsn.ads (Library_Version): changed to 3.15a.

	* s-crc32.ads: Initial version from GNAT.CRC32. This is the version
	for the compiler.

	* s-crc32.adb: Initial version from GNAT.CRC32. This is the version
	for the compiler.

	* ali-util.adb: Redo previous change to avoid using word CRC everywhere
	Add 2001 to copyright notice
	(Accumulate_Checksum): Modify to use System.CRC32.

	* ali-util.ads: Redo changes of previous revision to continue to use
	the word Checksum. Add 2001 to copyright notice.

	* ali.adb: Undo some of previous changes, not needed.
	Keep the change for lower case letters in the checksum.

	* ali.ads: Undo previous change not needed.

	* bcheck.adb: Undo most of previous change, not needed.
	But do use Checksums_Match for checksum comparison.

	* gnatls.adb: Undo most of previous change, not needed.
	But do use Checksums_Match for comparing checksums.

	* lib-load.adb: Undo previous change, not needed.

	* lib-writ.adb: Undo previous change, not needed.

	* lib-writ.ads: Document that checksums use lower case,
	not upper case letters.

	* scans.adb: Undo previous change, not needed

	* scans.ads: Undo previous change, not needed.

	* scn-nlit.adb: Undo previous changes, not needed.

	* scn-slit.adb: Undo previous change, not needed.  Fix header format.

	* scn.adb:
	(Accumulate_Checksum): Use System.CRC32.
	(Initialize_Checksum): New procedure.
	Remove other changes of previous revision.

	* sinput-p.adb: Undo previous change, not needed.

	* sinput.adb: Undo previous change, not needed.

	* sinput-l.adb: Undo previous change, not needed.

	* sinput.ads: Undo previous change, not needed.  Keep only comment
	on new checksum algorithm

	* Makefile.in: Add s-crc32 as needed, remove g-crc32.
	Also remove a-tags and a-stream from GNAT sources.

	* ali.adb (Scan_ALI): fix typo introduce in latest check-in.

	* Makefile.in (GNATRTL_NONTASKING_OBJS): Add g-crc32.o.

2001-10-11  Geert Bosch  <bosch@gnat.com>

	* einfo.h: Regenerate.

	* nmake.ads: Regenerate.

	* nmake.adb: Regenerate.

	* sinfo.h: Regenerate.

	* treeprs.adb: Regenerate.

2001-10-10  Geert Bosch  <bosch@gnat.com>

	* gnat-style.texi: New file describing coding guidelines for Ada.

2001-10-10  Ed Schonberg <schonber@gnat.com>

	* einfo.adb (Write_Entity_Flags): Elaboration_Entity_Required
	is Flag174.

2001-10-10  Geert Bosch  <bosch@gnat.com>

	* snames.ads: Add new names for project facility.

	* snames.adb: Update to reflect snames.ads changes.

	* snames.h: Update to reflect snames.ads changes.

2001-10-10  Vincent Celier <celier@gnat.com>

	* make.adb:
	(Add_Switches): reflect the changes for the switches attributes
	Default_Switches indexed by the programming language,
	Switches indexed by the file name.
	(Collect_Arguments_And_Compile): Idem.
	Reflect the attribute name changes.

	* prj-attr.adb:
	(Initialisation_Data): Change the names of some packages and
	attributes.
	(Initialize): process case insensitive associative arrays.

	* prj-attr.ads:
	(Attribute_Kind): Remove Both, add Case_Insensitive_Associative_Array.

	* prj-dect.adb:
	(Parse_Attribute_Declaration): For case insensitive associative
	 arrays, set the index string to lower case.

	* prj-env.adb:
	Reflect the changes of the project attributes.

	* prj-nmsc.adb:
	Replace Check_Naming_Scheme by Ada_Check and
	Language_Independent_Check.

	* prj-nmsc.ads:
	Replaced Check_Naming_Scheme by 2 procedures:
	Ada_Check and Language_Independent_Check.

	* prj-proc.adb:
	(Process_Declarative_Items): For case-insensitive associative
	arrays, set the index string to lower case.
	(Recursive_Check): Call Prj.Nmsc.Ada_Check, instead of
	Prj.Nmsc.Check_Naming_Scheme.

	* prj-tree.adb:
	(Case_Insensitive): New function
	(Set_Case_Insensitive): New procedure

	* prj-tree.ads:
	(Case_Insensitive): New function
	(Set_Case_Insensitive): New procedure
	(Project_Node_Record): New flag Case_Insensitive.

	* prj-util.adb:
	(Value_Of): new function to get the string value of a single
	string variable or attribute.

	* prj-util.ads:
	(Value_Of): new function to get the string value of a single
	string variable or attribute.

	* prj.adb:
	(Ada_Default_Spec_Suffix): New function
	(Ada_Default_Impl_Suffix): New function
	Change definitions of several constants to reflect
	new components of record types.

	* prj.ads:
	(Naming_Data): Change several components to reflect new
	elements of naming schemes.
	(Project_Data): New flags Sources_Present and
	Language_Independent_Checked.
	(Ada_Default_Spec_Suffix): New function.
	(Ada_Default_Impl_Suffix): New function.

	* snames.ads:
	Modification of predefined names for project manager: added
	Implementation, Specification_Exceptions, Implementation_Exceptions,
	Specification_Suffix, Implementation_Suffix, Separate_Suffix,
	Default_Switches, _Languages, Builder, Cross_Reference,
	Finder. Removed Body_Part, Specification_Append, Body_Append,
	Separate_Append, Gnatmake, Gnatxref, Gnatfind, Gnatbind,
	Gnatlink.

	* prj.ads: (Ada_Default_Spec_Suffix, Ada_Default_Impl_Suffix):
	Add comments.

	* prj-nmsc.adb (Ada_Check): Test that Separate_Suffix is defaulted,
	not that it is Nil_Variable_Value.

	* prj.ads: Add ??? for uncommented declarations

2001-10-10  Ed Schonberg <schonber@gnat.com>

	* sem_prag.adb: (Analyze_Pragma, case External): If entity is a
	constant, do not indicate possible modification, so that gigi can
	treat it as a bona fide constant.

2001-10-10  Robert Dewar <dewar@gnat.com>

	* sem_prag.adb: Add processing for pragma External.

	* snames.ads: Add entry for pragma External.

	* par-prag.adb: Add pragma External.

	* snames.adb: Updated to match snames.ads.

2001-10-10  Ed Schonberg <schonber@gnat.com>

	* exp_ch4.adb (Expand_N_Allocator): Generate meaningful names for
	a dynamic task if the allocator appears in an indexed assignment
	or selected component assignment.

	* exp_util.adb (Build_Task_Array_Image, Build_Task_Record_Image):
	For a dynamic task in an assignment statement, use target of
	assignment to generate meaningful name.

2001-10-10  Ed Schonberg <schonber@gnat.com>

	* einfo.adb (Write_Field19_Name): Body_Entity is also defined for
	a generic package.

	* einfo.ads: Body_Entity is also defined for generic package.
	Documentation change only

	* exp_aggr.adb (Build_Array_Aggr_Code): When expanding an
	others_choice for a discriminated component initialization,
	convert discriminant references into the corresponding discriminals.

	* exp_ch3.adb (Get_Simple_Init_Val): Add qualification to aggregate
	only if original type is private and expression has to be wrapped
	in a conversion.

	* checks.adb:
	(Apply_Constraint_Check): Do not perform length check
	if expression is an aggregate with only an others_choice.
	(Length_N_Cond): two references to the same in_parameter
	(typically the discriminal in an init_proc) denote the same value.
	Two useful optimization uncovered by bugfixes above.

2001-10-10  Robert Dewar <dewar@gnat.com>

	* xeinfo.adb: Change int to char in translation of enumeration types.
	This fixes a problem in the C representation of component alignment.
	Add 2001 to copyright notice

2001-10-10  Richard Kenner <kenner@gnat.com>

	* decl.c: (validate_size): Do check size of object of integral type
	if it is a packed array type.

2001-10-10  Richard Kenner <kenner@gnat.com>

	* decl.c: (gnat_to_gnu_entity, case object): Also materialize
	VAR_DECL for constant if not Is_Public but -O0.

2001-10-10  Richard Kenner  <kenner@gnat.com>

	* misc.c (struct lang_hooks): Add new initializer to match GCC change.

2001-10-10  Geert Bosch  <bosch@gnat.com>

	* xnmake.adb (XNmake): Fix handling of -s/-b options.  No longer
	use '/' as switch character, allowing for absolute file names.

2001-10-09  Joseph S. Myers  <jsm28@cam.ac.uk>

	* 4gintnam.ads, Make-lang.in, Makefile.in, config-lang.in: Update
	FSF address.

2001-10-08  Geert Bosch  <bosch@gnat.com>

	* Makefile.in (treeprs.ads, einfo.h, sinfo.h, nmake.adb, nmake.ads):
	Automatically build utilities when files need to be regenerated.

2001-10-08  Geert Bosch  <bosch@gnat.com>

	* xsnames.adb: New utility for updating snames.ads and snames.adb

2001-10-08  Zack Weinberg  <zack@codesourcery.com>

	* Make-lang.in (ADAFLAGS): Add -W -Wall.
	(ADA_FLAGS_TO_PASS): Set ADA_CFLAGS=$(CFLAGS) also.
	(gnat1): Also depend on attribs.o.
	(gnatlib, gnatlib-shared): Set CC and ADAC in recursive make.
	* Makefile.in (X_ADAFLAGS, T_ADAFLAGS): New.
	(ADAC): Set to @ADAC@ in stage1, $(CC) later.
	(ADAFLAGS): Add -W -Wall.
	(ALL_ADAFLAGS, MOST_ADAFLAGS): Add X_ADAFLAGS and T_ADAFLAGS;
	take out CFLAGS.

	(.adb.o, .ads.o, a-numaux.o, a-teioed.o, s-interr.o,
	s-taskin.o, sdefault.o, s-tasdeb.o, s-vaflop.o, a-except.o,
	s-assert.o, s-stalib.o, s-memory.o, memtrack.o, mlib-tgt.o):
	Use $(ADAC), not $(CC), as compilation command.

	(gnattools): Depend directly on tools to build, don't use
	recursive make.
	(gnatlib): Set ADA_CFLAGS=$(GNATLIBCFLAGS) in recursive make.

	* einfo.h, sinfo.h: New files (autogenerated).

2001-10-08  Richard Henderson  <rth@redhat.com>

	* comperr.adb (Abort_In_Progress): New.
	(Compiler_Abort): Use it to prevent recursion.

2001-10-08  Robert Dewar <dewar@gnat.com>

	* atree.adb: Set Error_Posted in Error node, helps error recovery.

	* par-endh.adb (Output_End_Expected): We should also not test
	Error_Posted on the Error node, since now it is always set.

	* cstand.adb (Create_Standard): Set Etype of Error to Any_Type
	to help error recovery. Part of general work on 9407-004.

	* par.adb: Add ??? for misuse of error

	* sem_res.adb:
	(Resolve): Defend against Error, fixes 9407-003.
	(Resolve_Discrete_Subtype_Indication): Defend against Error.

	* sinfo.ads (N_Error): Now has Etype field (which will be set
	to Any_Type to help error recovery).

2001-10-08  Richard Kenner (kenner@gnat.com)

	* misc.c (gnat_expand_expr, case UNCHECKED_CONVERT_EXPR):
	Consistently set MEM attributes from expression; fixes
	bootstrap failure on x86.

2001-10-08  Geert Bosch  (bosch@gnat.com)

	* 5oosinte.adb: Add 2001 to copyright notice.

2001-10-08  Geert Bosch  (bosch@gnat.com)

	* ceinfo.adb: Add utility for consistency checking of einfo.ad[bs].

	* csinfo.adb: Add utility for consistency checking of sinfo.ad[bs].

2001-10-07  Joseph S. Myers  <jsm28@cam.ac.uk>

	* 5oosinte.adb: Fix spelling error of "separate" as "seperate".

2001-10-05  Geert Bosch  (bosch@gnat.com)

	* adaint.h: Small formatting fix.

2001-10-04  Geert Bosch  <bosch@gnat.com>

	* sysdep.c (__gnat_set_binary_mode, __gnat_set_text_mode):
	Arg is int, not FILE *, in dummy version of functions.

	* adaint.h (__gnat_set_binary_mode, __gnat_set_text_mode):
	Arg is int, not FILE *.

2001-10-04  Geert Bosch  <bosch@gnat.com>

	* 3lsoccon.ads: Added file, missed with initial check ins.

	* 4lintnam.ads: Fix header format.
	Change Linux to GNU/Linux.

	* 5iosinte.adb: Change Linux to GNU/Linux.

	* 5iosinte.ads: Change Linux to GNU/Linux.

	* 5itaprop.adb: Change Linux to GNU/Linux.

	* 5itaspri.ads: Change Linux to GNU/Linux.
	Update copyright notice.

	* 5lintman.adb: Change Linux to GNU/Linux.

	* 5lml-tgt.adb: Change Linux to GNU/Linux.

	* 5losinte.ads: Change Linux to GNU/Linux.

	* 5lsystem.ads: Change Linux to GNU/Linux.

	* 5qosinte.adb: Change Linux to GNU/Linux.

	* 5qosinte.ads: Change Linux to GNU/Linux.

	* 5qparame.ads: Change Linux to GNU/Linux.

	* 5qtaprop.adb: Change Linux to GNU/Linux.

	* 5qtaspri.ads: Change Linux to GNU/Linux.
	Add 2001 to copyright notice.

	* 5vintman.ads: Change Linux to GNU/Linux.
	Fix header format.  Add 2001 to copyright notice.

	* g-soccon.ads: Change Linux to GNU/Linux.

	* g-trasym.ads: Change Linux to GNU/Linux.
	Add 2001 to copyright notice.

	* memtrack.adb: Change Linux to GNU/Linux.

	* s-intman.ads: Change Linux to GNU/Linux.
	Add 2001 to copyright notice.  Fix header format.

	* s-stache.adb: Change Linux to GNU/Linux.

	* adaint.c: Change Linux to GNU/Linux.

	* cio.c: Change Linux to GNU/Linux.

	* cstreams.c: Change Linux to GNU/Linux.

	* init.c: Change Linux to GNU/Linux.

	* gmem.c: Change Linux to GNU/Linux.

	* tracebak.c: Change Linux to GNU/Linux.


2001-10-02  Geert Bosch  <bosch@gnat.com>

	* misc.c (insert_default_attributes): Add dummy version.

From-SVN: r47950
2001-12-12 22:26:45 +01:00
Robert Dewar
f311e16612 * sem_ch12.adb:
(Analyze_Formal_Type_Definition): Defend against Error.
	(Analyze_Formal_Subprogram): Defend against Error.

	* par-ch12.adb (F_Formal_Type_Declaration): In case of error,
	remove following semicolon if present. Removes cascaded error.

From-SVN: r47652
2001-12-05 03:36:13 +01:00
Ed Schonberg
dd5875a602 sem_ch3.adb (Find_Type_Of_Subtype_Indic): If subtype indication is malformed...
* sem_ch3.adb (Find_Type_Of_Subtype_Indic): If subtype indication
	is malformed, use instance of Any_Id to allow analysis to proceed.

	* par-ch12.adb (P_Formal_Type_Declaration): Propagate Error if
	type definition is illegal.
	(P_Formal_Derived_Type_Definition): Better recovery when TAGGED is
	misplaced.

From-SVN: r47642
2001-12-05 02:21:50 +01:00
Richard Kenner
19235870ad New Language: Ada
From-SVN: r45956
2001-10-02 10:23:52 -04:00