[p5sagit/p5-mst-13.2.git] / t / pragma / warn / toke

toke.c	AOK

    we seem to have lost a few ambiguous warnings!!

 
 		$a = <<;
 		Use of comma-less variable list is deprecated 
		(called 3 times via depcom)

     \1 better written as $1 
 	use warnings 'syntax' ;
 	s/(abc)/\1/;
 
     warn(warn_nosemi) 
     Semicolon seems to be missing
	$a = 1
	&time ;


     Reversed %c= operator 
	my $a =+ 2 ;
	$a =- 2 ;
	$a =* 2 ;
	$a =% 2 ;
	$a =& 2 ;
	$a =. 2 ;
	$a =^ 2 ;
	$a =| 2 ;
	$a =< 2 ;
	$a =/ 2 ;

     Multidimensional syntax %.*s not supported 
	my $a = $a[1,2] ;

     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;

     Unquoted string "abc" may clash with future reserved word at - line 3.
     warn(warn_reserved	
	$a = abc;

     chmod() mode argument is missing initial 0 
	chmod 3;

     Possible attempt to separate words with commas 
	@a = qw(a, b, c) ;

     Possible attempt to put comments in qw() list 
	@a = qw(a b # c) ;

     umask: argument is missing initial 0 
	umask 3;

     %s (...) interpreted as function 
	print ("")
	printf ("")
	sort ("")

     Ambiguous use of %c{%s%s} resolved to %c%s%s 
	$a = ${time[2]}
	$a = ${time{2}}


     Ambiguous use of %c{%s} resolved to %c%s
	$a = ${time}
	sub fred {} $a = ${fred}

     Misplaced _ in number 
	$a = 1_2;
	$a = 1_2345_6;

    Bareword \"%s\" refers to nonexistent package
	$a = FRED:: ;

    Ambiguous call resolved as CORE::%s(), qualify as such or use &
	sub time {} 
	my $a = time()

    Unrecognized escape \\%c passed through
        $a = "\m" ;

    %s number > %s non-portable
        my $a =  0b011111111111111111111111111111110 ;
        $a =  0b011111111111111111111111111111111 ;
        $a =  0b111111111111111111111111111111111 ;
        $a =  0x0fffffffe ;
        $a =  0x0ffffffff ;
        $a =  0x1ffffffff ;
        $a =  0037777777776 ;
        $a =  0037777777777 ;
        $a =  0047777777777 ;

    Integer overflow in binary number
        my $a =  0b011111111111111111111111111111110 ;
        $a =  0b011111111111111111111111111111111 ;
        $a =  0b111111111111111111111111111111111 ;
        $a =  0x0fffffffe ;
        $a =  0x0ffffffff ;
        $a =  0x1ffffffff ;
        $a =  0037777777776 ;
        $a =  0037777777777 ;
        $a =  0047777777777 ;
     
    Mandatory Warnings
    ------------------
    Use of "%s" without parentheses is ambiguous	[check_uni]
        rand + 4 

    Ambiguous use of -%s resolved as -&%s() 		[yylex]
        sub fred {} ; - fred ;

    Precedence problem: open %.*s should be open(%.*s)	[yylex]
    	open FOO || die;

    Operator or semicolon missing before %c%s		[yylex]
    Ambiguous use of %c resolved as operator %c
        *foo *foo

__END__
# toke.c 
########
# toke.c
use warnings 'deprecated' ;
format STDOUT =
@<<<  @|||  @>>>  @>>>
$a    $b    "abc" 'def'
.
no warnings 'deprecated' ;
format STDOUT =
@<<<  @|||  @>>>  @>>>
$a    $b    "abc" 'def'
.
EXPECT
Use of comma-less variable list is deprecated at - line 5.
Use of comma-less variable list is deprecated at - line 5.
Use of comma-less variable list is deprecated at - line 5.
########
# toke.c
use warnings 'deprecated' ;
$a = <<;

no warnings 'deprecated' ;
$a = <<;

EXPECT
Use of bare << to mean <<"" is deprecated at - line 3.
########
# toke.c
use warnings 'syntax' ;
s/(abc)/\1/;
no warnings 'syntax' ;
s/(abc)/\1/;
EXPECT
\1 better written as $1 at - line 3.
########
# toke.c
use warnings 'semicolon' ;
$a = 1
&time ;
no warnings 'semicolon' ;
$a = 1
&time ;
EXPECT
Semicolon seems to be missing at - line 3.
########
# toke.c
BEGIN {
    # Scalars leaked: due to syntax errors
    $ENV{PERL_DESTRUCT_LEVEL} = 0 unless $ENV{PERL_DESTRUCT_LEVEL} > 3;
}
use warnings 'syntax' ;
my $a =+ 2 ;
$a =- 2 ;
$a =* 2 ;
$a =% 2 ;
$a =& 2 ;
$a =. 2 ;
$a =^ 2 ;
$a =| 2 ;
$a =< 2 ;
$a =/ 2 ;
EXPECT
Reversed += operator at - line 7.
Reversed -= operator at - line 8.
Reversed *= operator at - line 9.
Reversed %= operator at - line 10.
Reversed &= operator at - line 11.
Reversed .= operator at - line 12.
Reversed ^= operator at - line 13.
Reversed |= operator at - line 14.
Reversed <= operator at - line 15.
syntax error at - line 12, near "=."
syntax error at - line 13, near "=^"
syntax error at - line 14, near "=|"
Unterminated <> operator at - line 15.
########
# toke.c
BEGIN {
    # Scalars leaked: due to syntax errors
    $ENV{PERL_DESTRUCT_LEVEL} = 0 unless $ENV{PERL_DESTRUCT_LEVEL} > 3;
}
no warnings 'syntax' ;
my $a =+ 2 ;
$a =- 2 ;
$a =* 2 ;
$a =% 2 ;
$a =& 2 ;
$a =. 2 ;
$a =^ 2 ;
$a =| 2 ;
$a =< 2 ;
$a =/ 2 ;
EXPECT
syntax error at - line 12, near "=."
syntax error at - line 13, near "=^"
syntax error at - line 14, near "=|"
Unterminated <> operator at - line 15.
########
# toke.c
use warnings 'syntax' ;
my $a = $a[1,2] ;
no warnings 'syntax' ;
my $a = $a[1,2] ;
EXPECT
Multidimensional syntax $a[1,2] not supported at - line 3.
########
# toke.c
use warnings 'syntax' ;
sub fred {} ; $SIG{TERM} = fred;
no warnings 'syntax' ;
$SIG{TERM} = fred;
EXPECT
You need to quote "fred" at - line 3.
########
# toke.c
use warnings 'syntax' ;
@a[3] = 2;
@a{3} = 2;
no warnings 'syntax' ;
@a[3] = 2;
@a{3} = 2;
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.
########
# toke.c
use warnings 'syntax' ;
$_ = "ab" ; 
s/(ab)/\1/e;
no warnings 'syntax' ;
$_ = "ab" ; 
s/(ab)/\1/e;
EXPECT
Can't use \1 to mean $1 in expression at - line 4.
########
# toke.c
use warnings 'reserved' ;
$a = abc;
$a = { def

=> 1 };
no warnings 'reserved' ;
$a = abc;
EXPECT
Unquoted string "abc" may clash with future reserved word at - line 3.
########
# toke.c
use warnings 'chmod' ;
chmod 3;
no warnings 'chmod' ;
chmod 3;
EXPECT
chmod() mode argument is missing initial 0 at - line 3.
########
# toke.c
use warnings 'qw' ;
@a = qw(a, b, c) ;
no warnings 'qw' ;
@a = qw(a, b, c) ;
EXPECT
Possible attempt to separate words with commas at - line 3.
########
# toke.c
use warnings 'qw' ;
@a = qw(a b #) ;
no warnings 'qw' ;
@a = qw(a b #) ;
EXPECT
Possible attempt to put comments in qw() list at - line 3.
########
# toke.c
use warnings 'umask' ;
umask 3;
no warnings 'umask' ;
umask 3;
EXPECT
umask: argument is missing initial 0 at - line 3.
########
# toke.c
use warnings 'syntax' ;
print ("")
EXPECT
print (...) interpreted as function at - line 3.
########
# toke.c
no warnings 'syntax' ;
print ("")
EXPECT

########
# toke.c
use warnings 'syntax' ;
printf ("")
EXPECT
printf (...) interpreted as function at - line 3.
########
# toke.c
no warnings 'syntax' ;
printf ("")
EXPECT

########
# toke.c
use warnings 'syntax' ;
sort ("")
EXPECT
sort (...) interpreted as function at - line 3.
########
# toke.c
no warnings 'syntax' ;
sort ("")
EXPECT

########
# toke.c
use warnings 'ambiguous' ;
$a = ${time[2]};
no warnings 'ambiguous' ;
$a = ${time[2]};
EXPECT
Ambiguous use of ${time[...]} resolved to $time[...] at - line 3.
########
# toke.c
use warnings 'ambiguous' ;
$a = ${time{2}};
EXPECT
Ambiguous use of ${time{...}} resolved to $time{...} at - line 3.
########
# toke.c
no warnings 'ambiguous' ;
$a = ${time{2}};
EXPECT

########
# toke.c
use warnings 'ambiguous' ;
$a = ${time} ;
no warnings 'ambiguous' ;
$a = ${time} ;
EXPECT
Ambiguous use of ${time} resolved to $time at - line 3.
########
# toke.c
use warnings 'ambiguous' ;
sub fred {}
$a = ${fred} ;
no warnings 'ambiguous' ;
$a = ${fred} ;
EXPECT
Ambiguous use of ${fred} resolved to $fred at - line 4.
########
# toke.c
use warnings 'syntax' ;
$a = 1_2;
$a = 1_2345_6;
no warnings 'syntax' ;
$a = 1_2;
$a = 1_2345_6;
EXPECT
Misplaced _ in number at - line 3.
Misplaced _ in number at - line 4.
Misplaced _ in number at - line 4.
########
# toke.c
use warnings 'bareword' ;
#line 25 "bar"
$a = FRED:: ;
no warnings 'bareword' ;
#line 25 "bar"
$a = FRED:: ;
EXPECT
Bareword "FRED::" refers to nonexistent package at bar line 25.
########
# toke.c
use warnings 'ambiguous' ;
sub time {}
my $a = time() ;
no warnings 'ambiguous' ;
my $b = time() ;
EXPECT
Ambiguous call resolved as CORE::time(), qualify as such or use & at - line 4.
########
# toke.c
use warnings ;
eval <<'EOE';
#  line 30 "foo"
warn "yelp";
{
  $_ = " \x{123} " ;
}
EOE
EXPECT
yelp at foo line 30.
########
# toke.c
my $a = rand + 4 ;
EXPECT
Warning: Use of "rand" without parens is ambiguous at - line 2.
########
# toke.c
$^W = 0 ;
my $a = rand + 4 ;
{
    no warnings 'ambiguous' ;
    $a = rand + 4 ;
    use warnings 'ambiguous' ;
    $a = rand + 4 ;
}
$a = rand + 4 ;
EXPECT
Warning: Use of "rand" without parens is ambiguous at - line 3.
Warning: Use of "rand" without parens is ambiguous at - line 8.
Warning: Use of "rand" without parens is ambiguous at - line 10.
########
# toke.c
sub fred {};
-fred ;
EXPECT
Ambiguous use of -fred resolved as -&fred() at - line 3.
########
# toke.c
$^W = 0 ;
sub fred {} ;
-fred ;
{
    no warnings 'ambiguous' ;
    -fred ;
    use warnings 'ambiguous' ;
    -fred ;
}
-fred ;
EXPECT
Ambiguous use of -fred resolved as -&fred() at - line 4.
Ambiguous use of -fred resolved as -&fred() at - line 9.
Ambiguous use of -fred resolved as -&fred() at - line 11.
########
# toke.c
open FOO || time;
EXPECT
Precedence problem: open FOO should be open(FOO) at - line 2.
########
# toke.c
$^W = 0 ;
open FOO || time;
{
    no warnings 'precedence' ;
    open FOO || time;
    use warnings 'precedence' ;
    open FOO || time;
}
open FOO || time;
EXPECT
Precedence problem: open FOO should be open(FOO) at - line 3.
Precedence problem: open FOO should be open(FOO) at - line 8.
Precedence problem: open FOO should be open(FOO) at - line 10.
########
# toke.c
$^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 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.
########
# toke.c
use warnings 'misc' ;
my $a = "\m" ;
no warnings 'misc' ;
$a = "\m" ;
EXPECT
Unrecognized escape \m passed through at - line 3.
########
# toke.c
use warnings 'portable' ;
my $a =  0b011111111111111111111111111111110 ;
   $a =  0b011111111111111111111111111111111 ;
   $a =  0b111111111111111111111111111111111 ;
   $a =  0x0fffffffe ;
   $a =  0x0ffffffff ;
   $a =  0x1ffffffff ;
   $a =  0037777777776 ;
   $a =  0037777777777 ;
   $a =  0047777777777 ;
no warnings 'portable' ;
   $a =  0b011111111111111111111111111111110 ;
   $a =  0b011111111111111111111111111111111 ;
   $a =  0b111111111111111111111111111111111 ;
   $a =  0x0fffffffe ;
   $a =  0x0ffffffff ;
   $a =  0x1ffffffff ;
   $a =  0037777777776 ;
   $a =  0037777777777 ;
   $a =  0047777777777 ;
EXPECT
Binary number > 0b11111111111111111111111111111111 non-portable at - line 5.
Hexadecimal number > 0xffffffff non-portable at - line 8.
Octal number > 037777777777 non-portable at - line 11.
########
# toke.c
use warnings 'overflow' ;
my $a =  0b011111111111111111111111111111110 ;
   $a =  0b011111111111111111111111111111111 ;
   $a =  0b10000000000000000000000000000000000000000000000000000000000000000 ;
   $a =  0x0fffffffe ;
   $a =  0x0ffffffff ;
   $a =  0x10000000000000000 ;
   $a =  0037777777776 ;
   $a =  0037777777777 ;
   $a =  002000000000000000000000;
no warnings 'overflow' ;
   $a =  0b011111111111111111111111111111110 ;
   $a =  0b011111111111111111111111111111111 ;
   $a =  0b10000000000000000000000000000000000000000000000000000000000000000 ;
   $a =  0x0fffffffe ;
   $a =  0x0ffffffff ;
   $a =  0x10000000000000000 ;
   $a =  0037777777776 ;
   $a =  0037777777777 ;
   $a =  002000000000000000000000;
EXPECT
Integer overflow in binary number at - line 5.
Integer overflow in hexadecimal number at - line 8.
Integer overflow in octal number at - line 11.
########
# toke.c
use warnings 'ambiguous';
"@mjd_previously_unused_array";        
no warnings 'ambiguous';
"@mjd_previously_unused_array";        
EXPECT
Possible unintended interpolation of @mjd_previously_unused_array in string at - line 3.
Commit	Line	Data
599cee73	1	toke.c AOK
	2
	3	we seem to have lost a few ambiguous warnings!!
	4
	5
599cee73	6	$a = <<;
	7	Use of comma-less variable list is deprecated
	8	(called 3 times via depcom)
	9
	10	\1 better written as $1
4438c4b7	11	use warnings 'syntax' ;
599cee73	12	s/(abc)/\1/;
	13
	14	warn(warn_nosemi)
	15	Semicolon seems to be missing
	16	$a = 1
	17	&time ;
	18
	19
	20	Reversed %c= operator
	21	my $a =+ 2 ;
	22	$a =- 2 ;
	23	$a =* 2 ;
	24	$a =% 2 ;
	25	$a =& 2 ;
	26	$a =. 2 ;
	27	$a =^ 2 ;
	28	$a =\| 2 ;
	29	$a =< 2 ;
	30	$a =/ 2 ;
	31
	32	Multidimensional syntax %.*s not supported
	33	my $a = $a[1,2] ;
	34
	35	You need to quote \"%s\""
	36	sub fred {} ; $SIG{TERM} = fred;
	37
	38	Scalar value %.s better written as $%.s"
	39	@a[3] = 2;
	40	@a{3} = 2;
	41
	42	Can't use \\%c to mean $%c in expression
	43	$_ = "ab" ; s/(ab)/\1/e;
	44
	45	Unquoted string "abc" may clash with future reserved word at - line 3.
	46	warn(warn_reserved
	47	$a = abc;
	48
073ca4f1	49	chmod() mode argument is missing initial 0
599cee73	50	chmod 3;
	51
	52	Possible attempt to separate words with commas
	53	@a = qw(a, b, c) ;
	54
	55	Possible attempt to put comments in qw() list
	56	@a = qw(a b # c) ;
	57
	58	umask: argument is missing initial 0
	59	umask 3;
	60
	61	%s (...) interpreted as function
	62	print ("")
	63	printf ("")
	64	sort ("")
	65
	66	Ambiguous use of %c{%s%s} resolved to %c%s%s
	67	$a = ${time[2]}
	68	$a = ${time{2}}
	69
	70
	71	Ambiguous use of %c{%s} resolved to %c%s
	72	$a = ${time}
	73	sub fred {} $a = ${fred}
	74
	75	Misplaced _ in number
	76	$a = 1_2;
	77	$a = 1_2345_6;
	78
	79	Bareword \"%s\" refers to nonexistent package
	80	$a = FRED:: ;
	81
	82	Ambiguous call resolved as CORE::%s(), qualify as such or use &
	83	sub time {}
	84	my $a = time()
	85
767a6a26	86	Unrecognized escape \\%c passed through
	87	$a = "\m" ;
	88
	89	%s number > %s non-portable
	90	my $a = 0b011111111111111111111111111111110 ;
	91	$a = 0b011111111111111111111111111111111 ;
	92	$a = 0b111111111111111111111111111111111 ;
	93	$a = 0x0fffffffe ;
	94	$a = 0x0ffffffff ;
	95	$a = 0x1ffffffff ;
	96	$a = 0037777777776 ;
	97	$a = 0037777777777 ;
	98	$a = 0047777777777 ;
	99
	100	Integer overflow in binary number
	101	my $a = 0b011111111111111111111111111111110 ;
	102	$a = 0b011111111111111111111111111111111 ;
	103	$a = 0b111111111111111111111111111111111 ;
	104	$a = 0x0fffffffe ;
	105	$a = 0x0ffffffff ;
	106	$a = 0x1ffffffff ;
	107	$a = 0037777777776 ;
	108	$a = 0037777777777 ;
	109	$a = 0047777777777 ;
599cee73	110
0453d815	111	Mandatory Warnings
	112	------------------
	113	Use of "%s" without parentheses is ambiguous [check_uni]
	114	rand + 4
	115
	116	Ambiguous use of -%s resolved as -&%s() [yylex]
	117	sub fred {} ; - fred ;
	118
	119	Precedence problem: open %.s should be open(%.s) [yylex]
	120	open FOO \|\| die;
	121
	122	Operator or semicolon missing before %c%s [yylex]
	123	Ambiguous use of %c resolved as operator %c
	124	foo foo
	125
599cee73	126	__END__
599cee73	127	# toke.c
599cee73	128	########
599cee73	129	# toke.c
4438c4b7	130	use warnings 'deprecated' ;
599cee73	131	format STDOUT =
	132	@<<< @\|\|\| @>>> @>>>
	133	$a $b "abc" 'def'
	134	.
4438c4b7	135	no warnings 'deprecated' ;
0453d815	136	format STDOUT =
	137	@<<< @\|\|\| @>>> @>>>
	138	$a $b "abc" 'def'
	139	.
599cee73	140	EXPECT
	141	Use of comma-less variable list is deprecated at - line 5.
	142	Use of comma-less variable list is deprecated at - line 5.
	143	Use of comma-less variable list is deprecated at - line 5.
599cee73	144	########
599cee73	145	# toke.c
4438c4b7	146	use warnings 'deprecated' ;
599cee73	147	$a = <<;
599cee73	148
4438c4b7	149	no warnings 'deprecated' ;
0453d815	150	$a = <<;
0453d815	151
599cee73	152	EXPECT
	153	Use of bare << to mean <<"" is deprecated at - line 3.
	154	########
	155	# toke.c
4438c4b7	156	use warnings 'syntax' ;
599cee73	157	s/(abc)/\1/;
4438c4b7	158	no warnings 'syntax' ;
0453d815	159	s/(abc)/\1/;
599cee73	160	EXPECT
	161	\1 better written as $1 at - line 3.
	162	########
	163	# toke.c
4438c4b7	164	use warnings 'semicolon' ;
599cee73	165	$a = 1
599cee73	166	&time ;
4438c4b7	167	no warnings 'semicolon' ;
0453d815	168	$a = 1
0453d815	169	&time ;
599cee73	170	EXPECT
	171	Semicolon seems to be missing at - line 3.
	172	########
	173	# toke.c
e4050d25	174	BEGIN {
	175	# Scalars leaked: due to syntax errors
	176	$ENV{PERL_DESTRUCT_LEVEL} = 0 unless $ENV{PERL_DESTRUCT_LEVEL} > 3;
	177	}
4438c4b7	178	use warnings 'syntax' ;
599cee73	179	my $a =+ 2 ;
	180	$a =- 2 ;
	181	$a =* 2 ;
	182	$a =% 2 ;
	183	$a =& 2 ;
	184	$a =. 2 ;
	185	$a =^ 2 ;
	186	$a =\| 2 ;
	187	$a =< 2 ;
	188	$a =/ 2 ;
	189	EXPECT
e4050d25	190	Reversed += operator at - line 7.
	191	Reversed -= operator at - line 8.
	192	Reversed *= operator at - line 9.
	193	Reversed %= operator at - line 10.
	194	Reversed &= operator at - line 11.
	195	Reversed .= operator at - line 12.
e4050d25	196	Reversed ^= operator at - line 13.
e4050d25	197	Reversed \|= operator at - line 14.
e4050d25	198	Reversed <= operator at - line 15.
24944567	199	syntax error at - line 12, near "=."
	200	syntax error at - line 13, near "=^"
	201	syntax error at - line 14, near "=\|"
e4050d25	202	Unterminated <> operator at - line 15.
599cee73	203	########
599cee73	204	# toke.c
0453d815	205	BEGIN {
	206	# Scalars leaked: due to syntax errors
	207	$ENV{PERL_DESTRUCT_LEVEL} = 0 unless $ENV{PERL_DESTRUCT_LEVEL} > 3;
	208	}
4438c4b7	209	no warnings 'syntax' ;
0453d815	210	my $a =+ 2 ;
	211	$a =- 2 ;
	212	$a =* 2 ;
	213	$a =% 2 ;
	214	$a =& 2 ;
	215	$a =. 2 ;
	216	$a =^ 2 ;
	217	$a =\| 2 ;
	218	$a =< 2 ;
	219	$a =/ 2 ;
	220	EXPECT
	221	syntax error at - line 12, near "=."
	222	syntax error at - line 13, near "=^"
	223	syntax error at - line 14, near "=\|"
	224	Unterminated <> operator at - line 15.
	225	########
	226	# toke.c
4438c4b7	227	use warnings 'syntax' ;
599cee73	228	my $a = $a[1,2] ;
4438c4b7	229	no warnings 'syntax' ;
0453d815	230	my $a = $a[1,2] ;
599cee73	231	EXPECT
	232	Multidimensional syntax $a[1,2] not supported at - line 3.
	233	########
	234	# toke.c
4438c4b7	235	use warnings 'syntax' ;
599cee73	236	sub fred {} ; $SIG{TERM} = fred;
4438c4b7	237	no warnings 'syntax' ;
0453d815	238	$SIG{TERM} = fred;
599cee73	239	EXPECT
	240	You need to quote "fred" at - line 3.
	241	########
	242	# toke.c
4438c4b7	243	use warnings 'syntax' ;
599cee73	244	@a[3] = 2;
599cee73	245	@a{3} = 2;
4438c4b7	246	no warnings 'syntax' ;
0453d815	247	@a[3] = 2;
0453d815	248	@a{3} = 2;
599cee73	249	EXPECT
	250	Scalar value @a[3] better written as $a[3] at - line 3.
	251	Scalar value @a{3} better written as $a{3} at - line 4.
	252	########
	253	# toke.c
4438c4b7	254	use warnings 'syntax' ;
599cee73	255	$_ = "ab" ;
599cee73	256	s/(ab)/\1/e;
4438c4b7	257	no warnings 'syntax' ;
0453d815	258	$_ = "ab" ;
0453d815	259	s/(ab)/\1/e;
599cee73	260	EXPECT
	261	Can't use \1 to mean $1 in expression at - line 4.
	262	########
	263	# toke.c
4438c4b7	264	use warnings 'reserved' ;
599cee73	265	$a = abc;
1c3923b3	266	$a = { def
	267
	268	=> 1 };
4438c4b7	269	no warnings 'reserved' ;
0453d815	270	$a = abc;
599cee73	271	EXPECT
	272	Unquoted string "abc" may clash with future reserved word at - line 3.
	273	########
	274	# toke.c
e476b1b5	275	use warnings 'chmod' ;
599cee73	276	chmod 3;
e476b1b5	277	no warnings 'chmod' ;
0453d815	278	chmod 3;
599cee73	279	EXPECT
073ca4f1	280	chmod() mode argument is missing initial 0 at - line 3.
599cee73	281	########
599cee73	282	# toke.c
e476b1b5	283	use warnings 'qw' ;
599cee73	284	@a = qw(a, b, c) ;
e476b1b5	285	no warnings 'qw' ;
0453d815	286	@a = qw(a, b, c) ;
599cee73	287	EXPECT
	288	Possible attempt to separate words with commas at - line 3.
	289	########
	290	# toke.c
e476b1b5	291	use warnings 'qw' ;
599cee73	292	@a = qw(a b #) ;
e476b1b5	293	no warnings 'qw' ;
0453d815	294	@a = qw(a b #) ;
599cee73	295	EXPECT
	296	Possible attempt to put comments in qw() list at - line 3.
	297	########
	298	# toke.c
e476b1b5	299	use warnings 'umask' ;
599cee73	300	umask 3;
e476b1b5	301	no warnings 'umask' ;
0453d815	302	umask 3;
599cee73	303	EXPECT
4438c4b7	304	umask: argument is missing initial 0 at - line 3.
599cee73	305	########
599cee73	306	# toke.c
4438c4b7	307	use warnings 'syntax' ;
599cee73	308	print ("")
	309	EXPECT
	310	print (...) interpreted as function at - line 3.
	311	########
	312	# toke.c
4438c4b7	313	no warnings 'syntax' ;
0453d815	314	print ("")
	315	EXPECT
	316
	317	########
	318	# toke.c
4438c4b7	319	use warnings 'syntax' ;
599cee73	320	printf ("")
	321	EXPECT
	322	printf (...) interpreted as function at - line 3.
	323	########
	324	# toke.c
4438c4b7	325	no warnings 'syntax' ;
0453d815	326	printf ("")
	327	EXPECT
	328
	329	########
	330	# toke.c
4438c4b7	331	use warnings 'syntax' ;
599cee73	332	sort ("")
	333	EXPECT
	334	sort (...) interpreted as function at - line 3.
	335	########
	336	# toke.c
4438c4b7	337	no warnings 'syntax' ;
0453d815	338	sort ("")
	339	EXPECT
	340
	341	########
	342	# toke.c
4438c4b7	343	use warnings 'ambiguous' ;
599cee73	344	$a = ${time[2]};
4438c4b7	345	no warnings 'ambiguous' ;
0453d815	346	$a = ${time[2]};
599cee73	347	EXPECT
	348	Ambiguous use of ${time[...]} resolved to $time[...] at - line 3.
	349	########
	350	# toke.c
4438c4b7	351	use warnings 'ambiguous' ;
599cee73	352	$a = ${time{2}};
	353	EXPECT
	354	Ambiguous use of ${time{...}} resolved to $time{...} at - line 3.
	355	########
	356	# toke.c
4438c4b7	357	no warnings 'ambiguous' ;
0453d815	358	$a = ${time{2}};
	359	EXPECT
	360
	361	########
	362	# toke.c
4438c4b7	363	use warnings 'ambiguous' ;
599cee73	364	$a = ${time} ;
4438c4b7	365	no warnings 'ambiguous' ;
0453d815	366	$a = ${time} ;
599cee73	367	EXPECT
	368	Ambiguous use of ${time} resolved to $time at - line 3.
	369	########
	370	# toke.c
4438c4b7	371	use warnings 'ambiguous' ;
599cee73	372	sub fred {}
599cee73	373	$a = ${fred} ;
4438c4b7	374	no warnings 'ambiguous' ;
0453d815	375	$a = ${fred} ;
599cee73	376	EXPECT
	377	Ambiguous use of ${fred} resolved to $fred at - line 4.
	378	########
	379	# toke.c
4438c4b7	380	use warnings 'syntax' ;
599cee73	381	$a = 1_2;
599cee73	382	$a = 1_2345_6;
4438c4b7	383	no warnings 'syntax' ;
0453d815	384	$a = 1_2;
0453d815	385	$a = 1_2345_6;
599cee73	386	EXPECT
	387	Misplaced _ in number at - line 3.
	388	Misplaced _ in number at - line 4.
	389	Misplaced _ in number at - line 4.
	390	########
	391	# toke.c
e476b1b5	392	use warnings 'bareword' ;
60e6418e	393	#line 25 "bar"
599cee73	394	$a = FRED:: ;
e476b1b5	395	no warnings 'bareword' ;
0453d815	396	#line 25 "bar"
0453d815	397	$a = FRED:: ;
599cee73	398	EXPECT
60e6418e	399	Bareword "FRED::" refers to nonexistent package at bar line 25.
599cee73	400	########
599cee73	401	# toke.c
4438c4b7	402	use warnings 'ambiguous' ;
599cee73	403	sub time {}
0453d815	404	my $a = time() ;
4438c4b7	405	no warnings 'ambiguous' ;
0453d815	406	my $b = time() ;
599cee73	407	EXPECT
	408	Ambiguous call resolved as CORE::time(), qualify as such or use & at - line 4.
	409	########
	410	# toke.c
26d16222	411	use warnings ;
0453d815	412	eval <<'EOE';
df0deb90	413	# line 30 "foo"
df0deb90	414	warn "yelp";
0453d815	415	{
0453d815	416	$_ = " \x{123} " ;
	417	}
	418	EOE
	419	EXPECT
df0deb90	420	yelp at foo line 30.
0453d815	421	########
0453d815	422	# toke.c
0453d815	423	my $a = rand + 4 ;
	424	EXPECT
	425	Warning: Use of "rand" without parens is ambiguous at - line 2.
	426	########
	427	# toke.c
	428	$^W = 0 ;
	429	my $a = rand + 4 ;
	430	{
4438c4b7	431	no warnings 'ambiguous' ;
0453d815	432	$a = rand + 4 ;
4438c4b7	433	use warnings 'ambiguous' ;
0453d815	434	$a = rand + 4 ;
	435	}
	436	$a = rand + 4 ;
	437	EXPECT
	438	Warning: Use of "rand" without parens is ambiguous at - line 3.
	439	Warning: Use of "rand" without parens is ambiguous at - line 8.
	440	Warning: Use of "rand" without parens is ambiguous at - line 10.
	441	########
	442	# toke.c
	443	sub fred {};
	444	-fred ;
	445	EXPECT
	446	Ambiguous use of -fred resolved as -&fred() at - line 3.
	447	########
	448	# toke.c
	449	$^W = 0 ;
	450	sub fred {} ;
	451	-fred ;
	452	{
4438c4b7	453	no warnings 'ambiguous' ;
0453d815	454	-fred ;
4438c4b7	455	use warnings 'ambiguous' ;
0453d815	456	-fred ;
	457	}
	458	-fred ;
	459	EXPECT
	460	Ambiguous use of -fred resolved as -&fred() at - line 4.
	461	Ambiguous use of -fred resolved as -&fred() at - line 9.
	462	Ambiguous use of -fred resolved as -&fred() at - line 11.
	463	########
	464	# toke.c
	465	open FOO \|\| time;
	466	EXPECT
	467	Precedence problem: open FOO should be open(FOO) at - line 2.
	468	########
	469	# toke.c
	470	$^W = 0 ;
	471	open FOO \|\| time;
	472	{
e476b1b5	473	no warnings 'precedence' ;
0453d815	474	open FOO \|\| time;
e476b1b5	475	use warnings 'precedence' ;
0453d815	476	open FOO \|\| time;
	477	}
	478	open FOO \|\| time;
	479	EXPECT
	480	Precedence problem: open FOO should be open(FOO) at - line 3.
	481	Precedence problem: open FOO should be open(FOO) at - line 8.
	482	Precedence problem: open FOO should be open(FOO) at - line 10.
	483	########
	484	# toke.c
	485	$^W = 0 ;
	486	foo foo ;
	487	{
4438c4b7	488	no warnings 'ambiguous' ;
0453d815	489	foo foo ;
4438c4b7	490	use warnings 'ambiguous' ;
0453d815	491	foo foo ;
	492	}
	493	foo foo ;
	494	EXPECT
	495	Operator or semicolon missing before *foo at - line 3.
	496	Ambiguous use of * resolved as operator * at - line 3.
	497	Operator or semicolon missing before *foo at - line 8.
	498	Ambiguous use of * resolved as operator * at - line 8.
	499	Operator or semicolon missing before *foo at - line 10.
	500	Ambiguous use of * resolved as operator * at - line 10.
767a6a26	501	########
767a6a26	502	# toke.c
e476b1b5	503	use warnings 'misc' ;
767a6a26	504	my $a = "\m" ;
e476b1b5	505	no warnings 'misc' ;
767a6a26	506	$a = "\m" ;
	507	EXPECT
	508	Unrecognized escape \m passed through at - line 3.
	509	########
	510	# toke.c
	511	use warnings 'portable' ;
	512	my $a = 0b011111111111111111111111111111110 ;
	513	$a = 0b011111111111111111111111111111111 ;
	514	$a = 0b111111111111111111111111111111111 ;
	515	$a = 0x0fffffffe ;
	516	$a = 0x0ffffffff ;
	517	$a = 0x1ffffffff ;
	518	$a = 0037777777776 ;
	519	$a = 0037777777777 ;
	520	$a = 0047777777777 ;
	521	no warnings 'portable' ;
	522	$a = 0b011111111111111111111111111111110 ;
	523	$a = 0b011111111111111111111111111111111 ;
	524	$a = 0b111111111111111111111111111111111 ;
	525	$a = 0x0fffffffe ;
	526	$a = 0x0ffffffff ;
	527	$a = 0x1ffffffff ;
	528	$a = 0037777777776 ;
	529	$a = 0037777777777 ;
	530	$a = 0047777777777 ;
	531	EXPECT
	532	Binary number > 0b11111111111111111111111111111111 non-portable at - line 5.
	533	Hexadecimal number > 0xffffffff non-portable at - line 8.
	534	Octal number > 037777777777 non-portable at - line 11.
	535	########
	536	# toke.c
	537	use warnings 'overflow' ;
	538	my $a = 0b011111111111111111111111111111110 ;
	539	$a = 0b011111111111111111111111111111111 ;
15041a67	540	$a = 0b10000000000000000000000000000000000000000000000000000000000000000 ;
767a6a26	541	$a = 0x0fffffffe ;
767a6a26	542	$a = 0x0ffffffff ;
15041a67	543	$a = 0x10000000000000000 ;
767a6a26	544	$a = 0037777777776 ;
767a6a26	545	$a = 0037777777777 ;
15041a67	546	$a = 002000000000000000000000;
767a6a26	547	no warnings 'overflow' ;
	548	$a = 0b011111111111111111111111111111110 ;
	549	$a = 0b011111111111111111111111111111111 ;
15041a67	550	$a = 0b10000000000000000000000000000000000000000000000000000000000000000 ;
767a6a26	551	$a = 0x0fffffffe ;
767a6a26	552	$a = 0x0ffffffff ;
15041a67	553	$a = 0x10000000000000000 ;
767a6a26	554	$a = 0037777777776 ;
767a6a26	555	$a = 0037777777777 ;
15041a67	556	$a = 002000000000000000000000;
767a6a26	557	EXPECT
	558	Integer overflow in binary number at - line 5.
	559	Integer overflow in hexadecimal number at - line 8.
	560	Integer overflow in octal number at - line 11.
8593bda5	561	########
	562	# toke.c
	563	use warnings 'ambiguous';
	564	"@mjd_previously_unused_array";
	565	no warnings 'ambiguous';
	566	"@mjd_previously_unused_array";
	567	EXPECT
	568	Possible unintended interpolation of @mjd_previously_unused_array in string at - line 3.