You need to quote \"%s\""
sub fred {} ; $SIG{TERM} = fred;
- Scalar value %.*s better written as $%.*s"
- @a[3] = 2;
- @a{3} = 2;
-
Can't use \\%c to mean $%c in expression
$_ = "ab" ; s/(ab)/\1/e;
Unrecognized escape \\%c passed through
$a = "\m" ;
+ Useless use of \\E.
+ $a = "abcd\E" ;
+
+ Postfix dereference is experimental
+
%s number > %s non-portable
my $a = 0b011111111111111111111111111111110 ;
$a = 0b011111111111111111111111111111111 ;
Use of bare << to mean <<"" is deprecated at - line 2.
########
# toke.c
+eval "\$\cT";
+eval "\${\7LOBAL_PHASE}";
+eval "\${\cT}";
+eval "\${\n\cT}";
+eval "\${\cT\n}";
+my $ret = eval "\${\n\cT\n}";
+print "ok\n" if $ret == $^T;
+
+no warnings 'deprecated' ;
+eval "\$\cT";
+eval "\${\7LOBAL_PHASE}";
+eval "\${\cT}";
+eval "\${\n\cT}";
+eval "\${\cT\n}";
+eval "\${\n\cT\n}";
+
+EXPECT
+Use of literal control characters in variable names is deprecated at (eval 1) line 1.
+Use of literal control characters in variable names is deprecated at (eval 2) line 1.
+Use of literal control characters in variable names is deprecated at (eval 3) line 1.
+Use of literal control characters in variable names is deprecated at (eval 4) line 2.
+Use of literal control characters in variable names is deprecated at (eval 5) line 1.
+Use of literal control characters in variable names is deprecated at (eval 6) line 2.
+ok
+########
+# toke.c
+$a =~ m/$foo/eq;
+$a =~ s/$foo/fool/seq;
+
+EXPECT
+OPTION fatal
+Unknown regexp modifier "/e" at - line 2, near "=~ "
+Unknown regexp modifier "/q" at - line 2, near "=~ "
+Unknown regexp modifier "/q" at - line 3, near "=~ "
+Execution of - aborted due to compilation errors.
+########
+# toke.c
+use utf8;
+use open qw( :utf8 :std );
+$a =~ m/$foo/eネq;
+$a =~ s/$foo/fool/seネq;
+
+EXPECT
+OPTION fatal
+Unknown regexp modifier "/e" at - line 4, near "=~ "
+Unknown regexp modifier "/ネ" at - line 4, near "=~ "
+Unknown regexp modifier "/q" at - line 4, near "=~ "
+Unknown regexp modifier "/ネ" at - line 5, near "=~ "
+Unknown regexp modifier "/q" at - line 5, near "=~ "
+Execution of - aborted due to compilation errors.
+########
+# toke.c
use warnings 'syntax' ;
s/(abc)/\1/;
no warnings 'syntax' ;
You need to quote "fred" at - line 3.
########
# toke.c
+use utf8;
+use open qw( :utf8 :std );
use warnings 'syntax' ;
-@a[3] = 2;
-@a{3} = 2;
+sub frèd {} ; $SIG{TERM} = frèd;
no warnings 'syntax' ;
-@a[3] = 2;
-@a{3} = 2;
+$SIG{TERM} = frèd;
EXPECT
-Scalar value @a[3] better written as $a[3] at - line 3.
-Scalar value @a{3} better written as $a{3} at - line 4.
+You need to quote "frèd" at - line 5.
+########
+# toke.c
+use utf8;
+use open qw( :utf8 :std );
+use warnings 'syntax' ;
+sub ふれど {} ; $SIG{TERM} = ふれど;
+no warnings 'syntax' ;
+$SIG{TERM} = ふれど;
+EXPECT
+You need to quote "ふれど" at - line 5.
########
# toke.c
use warnings 'syntax' ;
$_ = "ab" ;
s/(ab)/\1/e;
+s//\(2)/e; # should be exempt
+s/${\2}//; # same here
+()="${\2}"; # metoo
no warnings 'syntax' ;
$_ = "ab" ;
s/(ab)/\1/e;
########
# toke.c
use warnings 'qw' ;
-@a = qw(a b #) ;
+@a = qw(a b c # #) ;
+no warnings 'qw' ;
+@a = qw(a b c # #) ;
+EXPECT
+Possible attempt to put comments in qw() list at - line 3.
+########
+# toke.c
+use warnings 'qw' ;
+@a = qw(a, b, c # #) ;
no warnings 'qw' ;
-@a = qw(a b #) ;
+@a = qw(a, b, c # #) ;
EXPECT
+Possible attempt to separate words with commas at - line 3.
Possible attempt to put comments in qw() list at - line 3.
########
# toke.c
Ambiguous use of ${time{...}} resolved to $time{...} at - line 3.
########
# toke.c
+use warnings 'ambiguous' ;
+$a = ${
+
+ time
+ {2}
+};
+warn "after";
+EXPECT
+Ambiguous use of ${time{...}} resolved to $time{...} at - line 5.
+after at - line 8.
+########
+# toke.c
+use warnings 'ambiguous' ;
+$a = ${
+
+time[2]
+
+};
+$a = ${
+
+time
+ [2]
+
+};
+warn "after";
+EXPECT
+Ambiguous use of ${time[...]} resolved to $time[...] at - line 5.
+Ambiguous use of ${time[...]} resolved to $time[...] at - line 10.
+after at - line 14.
+########
+# toke.c
no warnings 'ambiguous' ;
$a = ${time{2}};
EXPECT
# toke.c
use warnings 'ambiguous' ;
$a = ${time} ;
+$a = @{time} ;
+$a = $#{time} ; # This one is special cased in toke.c
+$a = %{time} ;
+$a = *{time} ;
+$a = defined &{time} ; # To avoid calling &::time
no warnings 'ambiguous' ;
$a = ${time} ;
+$a = @{time} ;
+$a = $#{time} ; # This one is special cased in toke.c
+$a = %{time} ;
+$a = *{time} ;
+$a = defined &{time} ; # To avoid calling &::time
EXPECT
Ambiguous use of ${time} resolved to $time at - line 3.
+Ambiguous use of @{time} resolved to @time at - line 4.
+Ambiguous use of @{time} resolved to @time at - line 5.
+Ambiguous use of %{time} resolved to %time at - line 6.
+Ambiguous use of *{time} resolved to *time at - line 7.
+Ambiguous use of &{time} resolved to &time at - line 8.
+########
+# toke.c
+use warnings 'ambiguous' ;
+$a = ${
+time
+} ;
+$a = @{
+time
+} ;
+$a = $#{
+time
+} ;
+$a = %{
+time
+} ;
+$a = *{
+time
+} ;
+$a = defined &{
+time
+
+
+} ;
+warn "last";
+EXPECT
+Ambiguous use of ${time} resolved to $time at - line 4.
+Ambiguous use of @{time} resolved to @time at - line 7.
+Ambiguous use of @{time} resolved to @time at - line 10.
+Ambiguous use of %{time} resolved to %time at - line 13.
+Ambiguous use of *{time} resolved to *time at - line 16.
+Ambiguous use of &{time} resolved to &time at - line 19.
+last at - line 23.
########
# toke.c
use warnings 'ambiguous' ;
Bareword "FRED::" refers to nonexistent package at bar line 25.
########
# toke.c
+use utf8;
+use open qw( :utf8 :std );
+use warnings 'bareword' ;
+#line 25 "bar"
+$a = FRÈD:: ;
+no warnings 'bareword' ;
+#line 25 "bar"
+$a = FRÈD:: ;
+EXPECT
+Bareword "FRÈD::" refers to nonexistent package at bar line 25.
+########
+# toke.c
+use utf8;
+use open qw( :utf8 :std );
+use warnings 'bareword' ;
+#line 25 "bar"
+$a = ϞϞϞ:: ;
+no warnings 'bareword' ;
+#line 25 "bar"
+$a = ϞϞϞ:: ;
+EXPECT
+Bareword "ϞϞϞ::" refers to nonexistent package at bar line 25.
+########
+# toke.c
use warnings 'ambiguous' ;
sub time {}
my $a = time() ;
########
# toke.c
my $a = rand + 4 ;
+$a = rand *^H ;
+$a = rand $^H ;
EXPECT
Warning: Use of "rand" without parentheses is ambiguous at - line 2.
########
Warning: Use of "rand" without parentheses is ambiguous at - line 8.
Warning: Use of "rand" without parentheses is ambiguous at - line 10.
########
+# [perl #97110]
+sub myrand(;$) { }
+sub whatever($) { }
+my $a = myrand + 4 ;
+my $b = whatever + 4 ;
+EXPECT
+Warning: Use of "myrand" without parentheses is ambiguous at - line 4.
+########
# toke.c
use warnings "ambiguous";
print for keys %+; # should not warn
# toke.c
sub fred {};
-fred ;
+sub hank : lvalue {$_}
+--hank; # This should *not* warn [perl #77240]
EXPECT
Ambiguous use of -fred resolved as -&fred() at - line 3.
########
Ambiguous use of -fred resolved as -&fred() at - line 11.
########
# toke.c
+use utf8;
+use open qw( :utf8 :std );
+sub frèd {};
+-frèd ;
+EXPECT
+Ambiguous use of -frèd resolved as -&frèd() at - line 5.
+########
+# toke.c
+$^W = 0 ;
+use utf8;
+use open qw( :utf8 :std );
+sub frèd {} ;
+-frèd ;
+{
+ no warnings 'ambiguous' ;
+ -frèd ;
+ use warnings 'ambiguous' ;
+ -frèd ;
+}
+-frèd ;
+EXPECT
+Ambiguous use of -frèd resolved as -&frèd() at - line 6.
+Ambiguous use of -frèd resolved as -&frèd() at - line 11.
+Ambiguous use of -frèd resolved as -&frèd() at - line 13.
+########
+# toke.c
+use utf8;
+use open qw( :utf8 :std );
+sub ᒍᒘᒊ {};
+-ᒍᒘᒊ ;
+EXPECT
+Ambiguous use of -ᒍᒘᒊ resolved as -&ᒍᒘᒊ() at - line 5.
+########
+# toke.c
+$^W = 0 ;
+use utf8;
+use open qw( :utf8 :std );
+sub ᒍᒘᒊ {} ;
+-ᒍᒘᒊ ;
+{
+ no warnings 'ambiguous' ;
+ -ᒍᒘᒊ ;
+ use warnings 'ambiguous' ;
+ -ᒍᒘᒊ ;
+}
+-ᒍᒘᒊ ;
+EXPECT
+Ambiguous use of -ᒍᒘᒊ resolved as -&ᒍᒘᒊ() at - line 6.
+Ambiguous use of -ᒍᒘᒊ resolved as -&ᒍᒘᒊ() at - line 11.
+Ambiguous use of -ᒍᒘᒊ resolved as -&ᒍᒘᒊ() at - line 13.
+########
+# toke.c
open FOO || time;
+open local *FOO; # should be ok
EXPECT
Precedence problem: open FOO should be open(FOO) at - line 2.
########
+# toke.c
+use utf8;
+use open qw( :utf8 :std );
+open FÒÒ || time;
+EXPECT
+Precedence problem: open FÒÒ should be open(FÒÒ) at - line 4.
+########
+# toke.c
+use utf8;
+use open qw( :utf8 :std );
+open ᒍOO || time;
+EXPECT
+Precedence problem: open ᒍOO should be open(ᒍOO) at - line 4.
+########
# toke.c (and [perl #16184])
open FOO => "<&0"; close FOO;
EXPECT
open FOO || time;
}
open FOO || time;
+open Foo::BAR; # this should not warn
EXPECT
Precedence problem: open FOO should be open(FOO) at - line 3.
Precedence problem: open FOO should be open(FOO) at - line 8.
########
# toke.c
$^W = 0 ;
+use utf8;
+use open qw( :utf8 :std );
+open FÒÒ || time;
+{
+ no warnings 'precedence' ;
+ open FÒÒ || time;
+ use warnings 'precedence' ;
+ open FÒÒ || time;
+}
+open FÒÒ || time;
+EXPECT
+Precedence problem: open FÒÒ should be open(FÒÒ) at - line 5.
+Precedence problem: open FÒÒ should be open(FÒÒ) at - line 10.
+Precedence problem: open FÒÒ should be open(FÒÒ) at - line 12.
+########
+# toke.c
+use utf8;
+use open qw( :utf8 :std );
+$^W = 0 ;
+open ᒍÒÒ || time;
+{
+ no warnings 'precedence' ;
+ open ᒍÒÒ || time;
+ use warnings 'precedence' ;
+ open ᒍÒÒ || time;
+}
+open ᒍÒÒ || time;
+EXPECT
+Precedence problem: open ᒍÒÒ should be open(ᒍÒÒ) at - line 5.
+Precedence problem: open ᒍÒÒ should be open(ᒍÒÒ) at - line 10.
+Precedence problem: open ᒍÒÒ should be open(ᒍÒÒ) at - line 12.
+########
+# toke.c
+$^W = 0 ;
*foo *foo ;
{
no warnings 'ambiguous' ;
*foo *foo ;
}
*foo *foo ;
+# These should not warn [perl #117535]:
+foo**foo ;
+no warnings 'deprecated';
+sort $*foo ;
+sort $ *foo ;
EXPECT
Operator or semicolon missing before *foo at - line 3.
Ambiguous use of * resolved as operator * at - line 3.
Ambiguous use of * resolved as operator * at - line 10.
########
# toke.c
+$^W = 0 ;
+%foo %foo ;
+{
+ no warnings 'ambiguous' ;
+ %foo %foo ;
+ use warnings 'ambiguous' ;
+ %foo %foo ;
+}
+%foo %foo ;
+# This should not produce ambiguity warnings [perl #117535]:
+sort $%foo ;
+sort $ %foo ;
+EXPECT
+Operator or semicolon missing before %foo at - line 3.
+Ambiguous use of % resolved as operator % at - line 3.
+Operator or semicolon missing before %foo at - line 8.
+Ambiguous use of % resolved as operator % at - line 8.
+Operator or semicolon missing before %foo at - line 10.
+Ambiguous use of % resolved as operator % at - line 10.
+Bareword found where operator expected at - line 12, near "$%foo"
+ (Missing operator before foo?)
+Bareword found where operator expected at - line 13, near "$ %foo"
+ (Missing operator before foo?)
+Illegal modulus zero at - line 3.
+########
+# toke.c
+$^W = 0 ;
+&foo &foo ;
+{
+ no warnings 'ambiguous' ;
+ &foo &foo ;
+ use warnings 'ambiguous' ;
+ &foo &foo ;
+}
+&foo &foo ;
+# These should not warn produce ambiguity warnings [perl #76910]:
+foo&&foo ;
+sort $&foo ;
+sort $ &foo ;
+EXPECT
+Operator or semicolon missing before &foo at - line 3.
+Ambiguous use of & resolved as operator & at - line 3.
+Operator or semicolon missing before &foo at - line 8.
+Ambiguous use of & resolved as operator & at - line 8.
+Operator or semicolon missing before &foo at - line 10.
+Ambiguous use of & resolved as operator & at - line 10.
+Bareword found where operator expected at - line 13, near "$&foo"
+ (Missing operator before foo?)
+Bareword found where operator expected at - line 14, near "$ &foo"
+ (Missing operator before foo?)
+Undefined subroutine &main::foo called at - line 3.
+########
+# toke.c
+use utf8;
+use open qw( :utf8 :std );
+$^W = 0 ;
+*ｆｏｏ *ｆｏｏ ;
+{
+ no warnings 'ambiguous' ;
+ *ｆｏｏ *ｆｏｏ ;
+ use warnings 'ambiguous' ;
+ *ｆｏｏ *ｆｏｏ ;
+}
+*ｆｏｏ *ｆｏｏ ;
+EXPECT
+Operator or semicolon missing before *ｆｏｏ at - line 5.
+Ambiguous use of * resolved as operator * at - line 5.
+Operator or semicolon missing before *ｆｏｏ at - line 10.
+Ambiguous use of * resolved as operator * at - line 10.
+Operator or semicolon missing before *ｆｏｏ at - line 12.
+Ambiguous use of * resolved as operator * at - line 12.
+########
+# toke.c
use warnings 'misc' ;
my $a = "\m" ;
no warnings 'misc' ;
Unrecognized escape \m passed through at - line 3.
########
# toke.c
+use warnings 'misc' ;
+my $a = "abcd\E" ;
+no warnings 'misc' ;
+$a = "abcd\E" ;
+EXPECT
+Useless use of \E at - line 3.
+########
+# toke.c
+use feature 'postderef', 'postderef_qq';
+(\$_)->$*;
+"$_->$*";
+no warnings 'experimental::postderef';
+(\$_)->$*;
+"$_->$*";
+EXPECT
+Postfix dereference is experimental at - line 3.
+Postfix dereference is experimental at - line 4.
+########
+# toke.c
use warnings 'portable' ;
my $a = 0b011111111111111111111111111111110 ;
$a = 0b011111111111111111111111111111111 ;
# toke.c
use warnings 'misc';
use subs qw/dump/;
-sub dump { print "no warning for overriden dump\n"; }
+sub dump { print "no warning for overridden dump\n"; }
dump;
EXPECT
-no warning for overriden dump
+no warning for overridden dump
########
# toke.c
use warnings 'ambiguous';
"@mjd_previously_unused_array";
no warnings 'ambiguous';
-"@mjd_previously_unused_array";
+"@mjd_previously_unused_array2";
EXPECT
Possible unintended interpolation of @mjd_previously_unused_array in string at - line 3.
########
# toke.c
+use utf8;
+use open qw( :utf8 :std );
+use warnings 'ambiguous';
+"@mjd_previously_unused_àrray";
+no warnings 'ambiguous';
+"@mjd_previously_unused_àrray2";
+EXPECT
+Possible unintended interpolation of @mjd_previously_unused_àrray in string at - line 5.
+########
+# toke.c
+use utf8;
+use open qw( :utf8 :std );
+use warnings 'ambiguous';
+"@mjd_previously_unused_ぁrrぁy";
+no warnings 'ambiguous';
+"@mjd_previously_unused_ぁrrぁy2";
+EXPECT
+Possible unintended interpolation of @mjd_previously_unused_ぁrrぁy in string at - line 5.
+########
+# toke.c
# 20020328 mjd-perl-patch+@plover.com at behest of jfriedl@yahoo.com
use warnings 'regexp';
"foo" =~ /foo/c;
(Missing operator before 6?)
########
# toke.c
-use warnings "syntax";
+use warnings "syntax"; no warnings "deprecated";
$_ = $a = 1;
$a !=~ /1/;
$a !=~ m#1#;
$a !=~/1/;
-$a !=~ ?/?;
$a !=~ y/1//;
$a !=~ tr/1//;
$a !=~ s/1//;
$a !=~ /1/;
$a !=~ m#1#;
$a !=~/1/;
-$a !=~ ?/?;
$a !=~ y/1//;
$a !=~ tr/1//;
$a !=~ s/1//;
!=~ should be !~ at - line 7.
!=~ should be !~ at - line 8.
!=~ should be !~ at - line 9.
-!=~ should be !~ at - line 10.
########
# toke.c
our $foo :unique;
Use of :locked is deprecated at - line 6.
########
# toke.c
-use warnings "syntax";
+use warnings "syntax"; use feature 'lexical_subs';
sub proto_after_array(@$);
sub proto_after_arref(\@$);
sub proto_after_arref2(\[@$]);
sub underscore2($_;$);
sub underscore_fail($_$);
sub underscore_after_at(@_);
+our sub hour (@$);
+my sub migh (@$);
+use feature 'state';
+state sub estate (@$);
+package other;
+sub hour (@$);
+sub migh (@$);
+sub estate (@$);
no warnings "syntax";
sub proto_after_array(@$);
sub proto_after_hash(%$);
Prototype after '%' for main::proto_after_hash : %$ at - line 7.
Illegal character after '_' in prototype for main::underscore_fail : $_$ at - line 12.
Prototype after '@' for main::underscore_after_at : @_ at - line 13.
+The lexical_subs feature is experimental at - line 14.
+Prototype after '@' for hour : @$ at - line 14.
+The lexical_subs feature is experimental at - line 15.
+Prototype after '@' for migh : @$ at - line 15.
+The lexical_subs feature is experimental at - line 17.
+Prototype after '@' for estate : @$ at - line 17.
+Prototype after '@' for hour : @$ at - line 19.
+Prototype after '@' for migh : @$ at - line 20.
+Prototype after '@' for estate : @$ at - line 21.
########
# toke.c
use warnings "ambiguous";
EXPECT
Possible unintended interpolation of $\ in regex at - line 3.
Possible unintended interpolation of $\ in regex at - line 5.
+########
+# toke.c
+use warnings 'syntax' ;
+my $a = "\o";
+my $a = "\o{";
+my $a = "\o{}";
+no warnings 'syntax' ;
+my $a = "\o";
+my $a = "\o{";
+my $a = "\o{}";
+EXPECT
+Missing braces on \o{} at - line 3, within string
+Missing right brace on \o{ at - line 4, within string
+Number with no digits at - line 5, within string
+BEGIN not safe after errors--compilation aborted at - line 6.
+########
+# toke.c
+use warnings 'digit' ;
+my $a = "\o{1238456}";
+no warnings 'digit' ;
+my $a = "\o{1238456}";
+EXPECT
+Non-octal character '8'. Resolved as "\o{123}" at - line 3.
+########
+# toke.c
+use warnings;
+print ref ? "yes\n" : "no\n" foreach [], ''; # ? is unambiguosly an operator
+EXPECT
+yes
+no
+########
+# toke .c
+use warnings;
+$a =~ ?rand?; # ? is not a regex match
+EXPECT
+syntax error at - line 3, near "=~ ?"
+Execution of - aborted due to compilation errors.
+########
+# toke.c
+use warnings;
+$a = "\c,";
+$a = "\c`";
+no warnings 'syntax';
+$a = "\c,";
+$a = "\c`";
+EXPECT
+"\c," is more clearly written simply as "l" at - line 3.
+"\c`" is more clearly written simply as "\ " at - line 4.
+########
+# toke.c
+use warnings;
+my $a = "\c{ack}";
+EXPECT
+OPTION fatal
+Use ";" instead of "\c{" at - line 3.
+########
+# toke.c
+my $a = "\câ";
+EXPECT
+OPTION fatal
+Character following "\c" must be printable ASCII at - line 2.
+########
+# toke.c
+use warnings 'syntax' ;
+my $a = qr/foo/du;
+$a = qr/foo/lai;
+$a = qr/foo/lil;
+$a = qr/foo/aia;
+$a = qr/foo/aaia;
+no warnings 'syntax' ;
+my $a = qr/foo/du;
+EXPECT
+Regexp modifiers "/d" and "/u" are mutually exclusive at - line 3, near "= "
+Regexp modifiers "/l" and "/a" are mutually exclusive at - line 4, near "= "
+Regexp modifier "/l" may not appear twice at - line 5, near "= "
+Regexp modifier "/a" may appear a maximum of twice at - line 7, near "= "
+BEGIN not safe after errors--compilation aborted at - line 8.
+########
+# toke.c
+# [perl #4362]
+eval "print q\xabfoo";
+print "ok\n" if
+ $@ =~ /Can't find string terminator "\xab" anywhere before EOF/;
+EXPECT
+ok
+########
+# toke.c
+use utf8;
+use open qw( :utf8 :std );
+use warnings 'ambiguous' ;
+sub frèd {}
+$a = ${frèd} ;
+no warnings 'ambiguous' ;
+$a = ${frèd} ;
+EXPECT
+Ambiguous use of ${frèd} resolved to $frèd at - line 6.
+########
+# toke.c
+use utf8;
+use open qw( :utf8 :std );
+use warnings 'ambiguous' ;
+sub f렏 {}
+$a = ${f렏} ;
+no warnings 'ambiguous' ;
+$a = ${f렏} ;
+EXPECT
+Ambiguous use of ${f렏} resolved to $f렏 at - line 6.
+########
+# toke.c
+use utf8;
+use open qw( :utf8 :std );
+use warnings;
+CORE::렏;
+EXPECT
+CORE::렏 is not a keyword at - line 5.
+########
+# toke.c
+# [perl #16249]
+print '';
+eval this_method_is_fake ();
+EXPECT
+Undefined subroutine &main::this_method_is_fake called at - line 4.
+########
+# toke.c
+# [perl #107002] Erroneous ambiguity warnings
+sub { # do not actually call require
+ require a::b . 1; # These used to produce erroneous
+ require a::b + 1; # ambiguity warnings.
+}
+EXPECT
+########
+# toke.c
+# [perl #113094], [perl #119101], since reverted so no warnings generated
+use warnings;
+print "aa" =~ m{^a\{1,2\}$}, "\n";
+print "aa" =~ m{^a\x\{61\}$}, "\n";
+print "a\\x{6F}" =~ m{^a\\x\{6F\}$}, "\n";
+print "a\\o" =~ m{^a\\\x\{6F\}$}, "\n";
+print "a\\\\x{6F}" =~ m{^a\\\\x\{6F\}$}, "\n";
+print "a\\\\o" =~ m{^a\\\\\x\{6F\}$}, "\n";
+print "aa" =~ m{^a{1,2}$}, "\n";
+print "aq" =~ m[^a\[a-z\]$], "\n";
+print "aq" =~ m(^a\(q\)$), "\n";
+EXPECT
+Illegal hexadecimal digit '\' ignored at - line 5.
+Illegal hexadecimal digit '\' ignored at - line 5.
+Illegal hexadecimal digit '\' ignored at - line 7.
+Illegal hexadecimal digit '\' ignored at - line 7.
+Illegal hexadecimal digit '\' ignored at - line 9.
+Illegal hexadecimal digit '\' ignored at - line 9.
+
+
+1
+
+1
+
+1
+########
+# toke.c
+#[perl #119123] disallow literal control character variables
+eval "\$\cQ = 25";
+eval "\${ \cX } = 24";
+*{
+ Foo
+}; # shouldn't warn on {\n, even though \n is a control character
+EXPECT
+Use of literal control characters in variable names is deprecated at (eval 1) line 1.
+Use of literal control characters in variable names is deprecated at (eval 2) line 1.
+########
+# toke.c
+# [perl #120288] -X at start of line gave spurious warning, where X is not
+# a filetest operator
+-a;
+;-a;
+EXPECT
https://perl5.git.perl.org / perl5.git / blobdiff