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authorbosch <bosch@138bc75d-0d04-0410-961f-82ee72b054a4>2002-03-08 20:11:04 +0000
committerbosch <bosch@138bc75d-0d04-0410-961f-82ee72b054a4>2002-03-08 20:11:04 +0000
commitf15731c43ae5e8cea424ea40f905c19afa1bd2e4 (patch)
treeb584a79288c93215b05fb451943291ccd039388b /gcc/ada/sem_util.ads
parent1d347c236ad815c77bd345611ed221b0bd6091de (diff)
downloadgcc-f15731c43ae5e8cea424ea40f905c19afa1bd2e4.tar.gz
* 41intnam.ads, 42intnam.ads, 4aintnam.ads, 4cintnam.ads,
4dintnam.ads, 4gintnam.ads, 4hintnam.ads, 4lintnam.ads, 4mintnam.ads, 4pintnam.ads, 4rintnam.ads, 4sintnam.ads, 4uintnam.ads, 4vcalend.adb, 4zintnam.ads, 52system.ads, 5amastop.adb, 5asystem.ads, 5ataprop.adb, 5atpopsp.adb, 5avxwork.ads, 5bosinte.adb, 5bsystem.ads, 5esystem.ads, 5fsystem.ads, 5ftaprop.adb, 5ginterr.adb, 5gmastop.adb, 5gsystem.ads, 5gtaprop.adb, 5gtasinf.adb, 5gtasinf.ads, 5hparame.ads, 5hsystem.ads, 5htaprop.adb, 5htraceb.adb, 5itaprop.adb, 5ksystem.ads, 5kvxwork.ads, 5lintman.adb, 5lsystem.ads, 5mvxwork.ads, 5ninmaop.adb, 5nosinte.ads, 5ntaprop.adb, 5ointerr.adb, 5omastop.adb, 5oosinte.adb, 5osystem.ads, 5otaprop.adb, 5otaspri.ads, 5pvxwork.ads, 5qtaprop.adb, 5sintman.adb, 5ssystem.ads, 5staprop.adb, 5stpopse.adb, 5svxwork.ads, 5tosinte.ads, 5uintman.adb, 5vasthan.adb, 5vinmaop.adb, 5vinterr.adb, 5vintman.adb, 5vmastop.adb, 5vparame.ads, 5vsystem.ads, 5vtaprop.adb, 5vtpopde.adb, 5wmemory.adb, 5wsystem.ads, 5wtaprop.adb, 5ysystem.ads, 5zinterr.adb, 5zintman.adb, 5zosinte.adb, 5zosinte.ads, 5zsystem.ads, 5ztaprop.adb, 6vcpp.adb, 6vcstrea.adb, 7sintman.adb, 7staprop.adb, 7stpopsp.adb, 9drpc.adb, Make-lang.in, Makefile.in, a-caldel.adb, a-comlin.ads, a-dynpri.adb, a-except.adb, a-except.ads, a-finali.adb, a-ncelfu.ads, a-reatim.adb, a-retide.adb, a-stream.ads, a-ststio.adb, a-ststio.ads, a-stwifi.adb, a-tags.adb, a-tasatt.adb, a-textio.adb, a-tideau.adb, a-tiflau.adb, a-tigeau.adb, a-tigeau.ads, a-tiinau.adb, a-timoau.adb, a-witeio.adb, a-wtdeau.adb, a-wtenau.adb, a-wtflau.adb, a-wtgeau.adb, a-wtgeau.ads, a-wtinau.adb, a-wtmoau.adb, ada-tree.def, ada-tree.h, adaint.c, adaint.h, ali-util.adb, ali.adb, ali.ads, atree.adb, atree.ads, atree.h, back_end.adb, bcheck.adb, bindgen.adb, bindusg.adb, checks.adb, comperr.adb, config-lang.in, csets.adb, csets.ads, cstand.adb, cstreams.c, debug.adb, debug.ads, decl.c, einfo.adb, einfo.ads, einfo.h, elists.h, errout.adb, errout.ads, eval_fat.adb, exp_aggr.adb, exp_attr.adb, exp_ch11.adb, exp_ch12.adb, exp_ch13.adb, exp_ch2.adb, exp_ch3.adb, exp_ch3.ads, exp_ch4.adb, exp_ch5.adb, exp_ch6.adb, exp_ch7.adb, exp_ch7.ads, exp_ch9.adb, exp_ch9.ads, exp_dbug.adb, exp_dbug.ads, exp_disp.ads, exp_dist.adb, exp_fixd.adb, exp_intr.adb, exp_pakd.adb, exp_prag.adb, exp_strm.adb, exp_util.adb, exp_util.ads, expander.adb, expect.c, fe.h, fmap.adb, fmap.ads, fname-uf.adb, freeze.adb, frontend.adb, g-awk.adb, g-cgideb.adb, g-comlin.adb, g-comlin.ads, g-debpoo.adb, g-dirope.adb, g-dirope.ads, g-dyntab.adb, g-expect.adb, g-expect.ads, g-io.ads, g-io_aux.adb, g-io_aux.ads, g-locfil.adb, g-locfil.ads, g-os_lib.adb, g-os_lib.ads, g-regexp.adb, g-regpat.adb, g-socket.adb, g-socket.ads, g-spipat.adb, g-table.adb, g-trasym.adb, g-trasym.ads, gigi.h, gmem.c, gnat1drv.adb, gnatbind.adb, gnatbl.c, gnatchop.adb, gnatcmd.adb, gnatdll.adb, gnatfind.adb, gnatlbr.adb, gnatlink.adb, gnatls.adb, gnatmem.adb, gnatprep.adb, gnatvsn.ads, gnatxref.adb, hlo.adb, hostparm.ads, i-cobol.adb, i-cpp.adb, i-cstrea.ads, i-cstrin.adb, i-pacdec.adb, i-vxwork.ads, impunit.adb, init.c, inline.adb, io-aux.c, layout.adb, lib-load.adb, lib-util.adb, lib-writ.adb, lib-writ.ads, lib-xref.adb, lib-xref.ads, lib.adb, lib.ads, make.adb, makeusg.adb, mdll.adb, memroot.adb, misc.c, mlib-tgt.adb, mlib-utl.adb, mlib-utl.ads, mlib.adb, namet.adb, namet.ads, namet.h, nlists.h, nmake.adb, nmake.ads, nmake.adt, opt.adb, opt.ads, osint.adb, osint.ads, output.adb, output.ads, par-ch2.adb, par-ch3.adb, par-ch5.adb, par-prag.adb, par-tchk.adb, par-util.adb, par.adb, prj-attr.adb, prj-dect.adb, prj-env.adb, prj-env.ads, prj-nmsc.adb, prj-part.adb, prj-proc.adb, prj-strt.adb, prj-tree.adb, prj-tree.ads, prj.adb, prj.ads, raise.c, raise.h, repinfo.adb, restrict.adb, restrict.ads, rident.ads, rtsfind.adb, rtsfind.ads, s-arit64.adb, s-asthan.adb, s-atacco.adb, s-atacco.ads, s-auxdec.adb, s-crc32.adb, s-crc32.ads, s-direio.adb, s-fatgen.adb, s-fileio.adb, s-finimp.adb, s-gloloc.adb, s-gloloc.ads, s-interr.adb, s-mastop.adb, s-mastop.ads, s-memory.adb, s-parame.ads, s-parint.adb, s-pooglo.adb, s-pooloc.adb, s-rpc.adb, s-secsta.adb, s-sequio.adb, s-shasto.adb, s-soflin.adb, s-soflin.ads, s-stache.adb, s-taasde.adb, s-taasde.ads, s-tadeca.adb, s-tadeca.ads, s-tadert.adb, s-tadert.ads, s-taenca.adb, s-taenca.ads, s-taprob.adb, s-taprop.ads, s-tarest.adb, s-tasdeb.adb, s-tasini.adb, s-tasini.ads, s-taskin.adb, s-taskin.ads, s-tasque.adb, s-tasque.ads, s-tasren.adb, s-tasren.ads, s-tassta.adb, s-tasuti.adb, s-tasuti.ads, s-tataat.adb, s-tataat.ads, s-tpoben.adb, s-tpoben.ads, s-tpobop.adb, s-tposen.adb, s-tposen.ads, s-traceb.adb, s-traceb.ads, s-unstyp.ads, s-widenu.adb, scn-nlit.adb, scn.adb, sem.adb, sem_aggr.adb, sem_attr.adb, sem_attr.ads, sem_case.adb, sem_ch10.adb, sem_ch11.adb, sem_ch11.ads, sem_ch12.adb, sem_ch13.adb, sem_ch13.ads, sem_ch2.adb, sem_ch3.adb, sem_ch3.ads, sem_ch4.adb, sem_ch5.adb, sem_ch6.adb, sem_ch6.ads, sem_ch7.adb, sem_ch8.adb, sem_ch8.ads, sem_ch9.adb, sem_disp.adb, sem_dist.adb, sem_elab.adb, sem_elim.adb, sem_elim.ads, sem_eval.adb, sem_intr.adb, sem_mech.adb, sem_prag.adb, sem_res.adb, sem_type.adb, sem_util.adb, sem_util.ads, sem_vfpt.adb, sem_warn.adb, sinfo.adb, sinfo.ads, sinfo.h, sinput-l.adb, sinput-l.ads, sinput.adb, sinput.ads, snames.adb, snames.ads, snames.h, sprint.adb, sprint.ads, stringt.adb, stringt.ads, stringt.h, style.adb, switch.adb, switch.ads, sysdep.c, system.ads, table.adb, targparm.adb, targparm.ads, targtyps.c, tbuild.adb, tbuild.ads, tracebak.c, trans.c, tree_gen.adb, tree_io.adb, treepr.adb, treepr.ads, treeprs.ads, treeprs.adt, ttypes.ads, types.adb, types.ads, types.h, uintp.ads, urealp.ads, usage.adb, utils.c, utils2.c, validsw.adb, xnmake.adb, xr_tabls.adb, xr_tabls.ads, xref_lib.adb, xref_lib.ads : Merge in ACT changes. * 1ssecsta.adb, 1ssecsta.ads, a-chlat9.ads, a-cwila9.ads, g-enblsp.adb, g-md5.adb, g-md5.ads, gnatname.adb, gnatname.ads, mkdir.c, osint-b.adb, osint-b.ads, osint-c.adb, osint-c.ads, osint-l.adb, osint-l.ads, osint-m.adb, osint-m.ads : New files * 3lsoccon.ads, 5qparame.ads, 5qvxwork.ads, 5smastop.adb, 5zparame.ads, gnatmain.adb, gnatmain.ads, gnatpsys.adb : Removed * mdllfile.adb, mdllfile.ads, mdlltool.adb, mdlltool.ads : Renamed to mdll-fil.ad[bs] and mdll-util.ad[bs] * mdll-fil.adb, mdll-fil.ads, mdll-utl.adb, mdll-utl.ads : Renamed from mdllfile.ad[bs] and mdlltool.ad[bs] git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@50451 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/ada/sem_util.ads')
-rw-r--r--gcc/ada/sem_util.ads68
1 files changed, 46 insertions, 22 deletions
diff --git a/gcc/ada/sem_util.ads b/gcc/ada/sem_util.ads
index 303086b379f..1af10aec9a4 100644
--- a/gcc/ada/sem_util.ads
+++ b/gcc/ada/sem_util.ads
@@ -6,9 +6,9 @@
-- --
-- S p e c --
-- --
--- $Revision: 1.2 $
+-- $Revision$
-- --
--- Copyright (C) 1992-2001, Free Software Foundation, Inc. --
+-- Copyright (C) 1992-2002, Free Software Foundation, Inc. --
-- --
-- GNAT is free software; you can redistribute it and/or modify it under --
-- terms of the GNU General Public License as published by the Free Soft- --
@@ -46,26 +46,27 @@ package Sem_Util is
-- entity is not yet known to the compiler.
procedure Apply_Compile_Time_Constraint_Error
- (N : Node_Id;
- Msg : String;
- Ent : Entity_Id := Empty;
- Typ : Entity_Id := Empty;
- Loc : Source_Ptr := No_Location;
- Rep : Boolean := True);
+ (N : Node_Id;
+ Msg : String;
+ Reason : RT_Exception_Code;
+ Ent : Entity_Id := Empty;
+ Typ : Entity_Id := Empty;
+ Loc : Source_Ptr := No_Location;
+ Rep : Boolean := True);
-- N is a subexpression which will raise constraint error when evaluated
-- at runtime. Msg is a message that explains the reason for raising the
- -- exception. The last character is ? if the message is always a
- -- warning, even in Ada 95, and is not a ? if the message represents an
- -- illegality (because of violation of static expression rules) in Ada 95
- -- (but not in Ada 83). Typically this routine posts all messages at
- -- the Sloc of node N. However, if Loc /= No_Location, Loc is the Sloc
- -- used to output the message. After posting the appropriate message,
- -- and if the flag Rep is set, this routine replaces the expression
- -- with an N_Raise_Constraint_Error node. This node is then marked as
- -- being static if the original node is static, but sets the flag
- -- Raises_Constraint_Error, preventing further evaluation.
- -- The error message may contain a } or & insertion character.
- -- This normally references Etype (N), unless the Ent argument is given
+ -- exception. The last character is ? if the message is always a warning,
+ -- even in Ada 95, and is not a ? if the message represents an illegality
+ -- (because of violation of static expression rules) in Ada 95 (but not
+ -- in Ada 83). Typically this routine posts all messages at the Sloc of
+ -- node N. However, if Loc /= No_Location, Loc is the Sloc used to output
+ -- the message. After posting the appropriate message, and if the flag
+ -- Rep is set, this routine replaces the expression with an appropriate
+ -- N_Raise_Constraint_Error node using the given Reason code. This node
+ -- is then marked as being static if the original node is static, but
+ -- sets the flag Raises_Constraint_Error, preventing further evaluation.
+ -- The error message may contain a } or & insertion character. This
+ -- normally references Etype (N), unless the Ent argument is given
-- explicitly, in which case it is used instead. The type of the raise
-- node that is built is normally Etype (N), but if the Typ parameter
-- is present, this is used instead.
@@ -97,6 +98,12 @@ package Sem_Util is
-- the compilation unit, and install it in the Elaboration_Entity field
-- of Spec_Id, the entity for the compilation unit.
+ function Cannot_Raise_Constraint_Error (Expr : Node_Id) return Boolean;
+ -- Returns True if the expression cannot possibly raise Constraint_Error.
+ -- The response is conservative in the sense that a result of False does
+ -- not necessarily mean that CE could be raised, but a response of True
+ -- means that for sure CE cannot be raised.
+
procedure Check_Fully_Declared (T : Entity_Id; N : Node_Id);
-- Verify that the full declaration of type T has been seen. If not,
-- place error message on node N. Used in object declarations, type
@@ -293,6 +300,11 @@ package Sem_Util is
-- an identifier provided as the external name. Letters in the name are
-- according to the setting of Opt.External_Name_Default_Casing.
+ function Get_Generic_Entity (N : Node_Id) return Entity_Id;
+ -- Returns the true generic entity in an instantiation. If the name in
+ -- the instantiation is a renaming, the function returns the renamed
+ -- generic.
+
procedure Get_Index_Bounds (N : Node_Id; L, H : out Node_Id);
-- This procedure assigns to L and H respectively the values of the
-- low and high bounds of node N, which must be a range, subtype
@@ -439,6 +451,13 @@ package Sem_Util is
-- is a variable (in the Is_Variable sense) with a non-tagged type
-- target are considered view conversions and hence variables.
+ function Is_Partially_Initialized_Type (Typ : Entity_Id) return Boolean;
+ -- Typ is a type entity. This function returns true if this type is
+ -- partly initialized, meaning that an object of the type is at least
+ -- partly initialized (in particular in the record case, that at least
+ -- one field has an initialization expression). Note that initialization
+ -- resulting from the use of pragma Normalized_Scalars does not count.
+
function Is_RCI_Pkg_Spec_Or_Body (Cunit : Node_Id) return Boolean;
-- Return True if a compilation unit is the specification or the
-- body of a remote call interface package.
@@ -563,12 +582,17 @@ package Sem_Util is
-- record type there may be several such components, we just return
-- the first one.
- procedure Process_End_Label (N : Node_Id; Typ : Character);
+ procedure Process_End_Label
+ (N : Node_Id;
+ Typ : Character;
+ Ent : Entity_Id);
-- N is a node whose End_Label is to be processed, generating all
-- appropriate cross-reference entries, and performing style checks
-- for any identifier references in the end label. Typ is either
-- 'e' or 't indicating the type of the cross-reference entity
- -- (e for spec, t for body, see Lib.Xref spec for details).
+ -- (e for spec, t for body, see Lib.Xref spec for details). The
+ -- parameter Ent gives the entity to which the End_Label refers,
+ -- and to which cross-references are to be generated.
function Real_Convert (S : String) return Node_Id;
-- S is a possibly signed syntactically valid real literal. The result