From 9134ea20ecf6c7a898519ea43ac463bc4da08840 Mon Sep 17 00:00:00 2001
From: Yves Orton <demerphq@gmail.com>
Date: Mon, 26 Oct 2009 21:52:05 +0100
Subject: [PATCH] add an elipses to string/ref warnings when str longer than 32
 chars

Wasted a few minutes more than necessary trying to work out why the
string was truncated when in fact it was the error message that was
truncating the string.
---
 perl.h            | 4 ++--
 pp.c              | 4 ++--
 pp_hot.c          | 2 +-
 t/lib/strict/refs | 8 ++++++++
 4 files changed, 13 insertions(+), 5 deletions(-)

diff --git a/perl.h b/perl.h
index 5e6f0a8..c4521aa 100644
--- a/perl.h
+++ b/perl.h
@@ -4211,9 +4211,9 @@ EXTCONST char PL_warn_nl[]
 EXTCONST char PL_no_wrongref[]
   INIT("Can't use %s ref as %s ref");
 EXTCONST char PL_no_symref[]
-  INIT("Can't use string (\"%.32s\") as %s ref while \"strict refs\" in use");
+  INIT("Can't use string (\"%.32s\"%s) as %s ref while \"strict refs\" in use");
 EXTCONST char PL_no_symref_sv[]
-  INIT("Can't use string (\"%" SVf32 "\") as %s ref while \"strict refs\" in use");
+  INIT("Can't use string (\"%" SVf32 "\"%s) as %s ref while \"strict refs\" in use");
 EXTCONST char PL_no_usym[]
   INIT("Can't use an undefined value as %s reference");
 EXTCONST char PL_no_aelem[]
diff --git a/pp.c b/pp.c
index 6f56368..a2704af 100644
--- a/pp.c
+++ b/pp.c
@@ -202,7 +202,7 @@ PP(pp_rv2gv)
 	    }
 	    else {
 		if (PL_op->op_private & HINT_STRICT_REFS)
-		    DIE(aTHX_ PL_no_symref_sv, sv, "a symbol");
+		    DIE(aTHX_ PL_no_symref_sv, sv, (SvCUR(sv)>32 ? "..." : ""), "a symbol");
 		if ((PL_op->op_private & (OPpLVAL_INTRO|OPpDONT_INIT_GV))
 		    == OPpDONT_INIT_GV) {
 		    /* We are the target of a coderef assignment.  Return
@@ -232,7 +232,7 @@ Perl_softref2xv(pTHX_ SV *const sv, const char *const what,
 
     if (PL_op->op_private & HINT_STRICT_REFS) {
 	if (SvOK(sv))
-	    Perl_die(aTHX_ PL_no_symref_sv, sv, what);
+	    Perl_die(aTHX_ PL_no_symref_sv, sv, (SvCUR(sv)>32 ? "..." : ""), what);
 	else
 	    Perl_die(aTHX_ PL_no_usym, what);
     }
diff --git a/pp_hot.c b/pp_hot.c
index 16992d4..0730aff 100644
--- a/pp_hot.c
+++ b/pp_hot.c
@@ -2700,7 +2700,7 @@ PP(pp_entersub)
 	    if (!sym)
 		DIE(aTHX_ PL_no_usym, "a subroutine");
 	    if (PL_op->op_private & HINT_STRICT_REFS)
-		DIE(aTHX_ PL_no_symref, sym, "a subroutine");
+		DIE(aTHX_ PL_no_symref, sym, len>32 ? "..." : "", "a subroutine");
 	    cv = get_cvn_flags(sym, len, GV_ADD|SvUTF8(sv));
 	    break;
 	}
diff --git a/t/lib/strict/refs b/t/lib/strict/refs
index 075ca49..e8f7566 100644
--- a/t/lib/strict/refs
+++ b/t/lib/strict/refs
@@ -19,6 +19,14 @@ EXPECT
 
 # strict refs - error
 use strict ;
+my $str="A::Really::Big::Package::Name::To::Use"; 
+$str->{foo}= 1;
+EXPECT
+Can't use string ("A::Really::Big::Package::Name::T"...) as a HASH ref while "strict refs" in use at - line 5.
+########
+
+# strict refs - error
+use strict ;
 my $fred ;
 my $a = ${"fred"} ;
 EXPECT
-- 
2.7.4