# Checks if the parser behaves correctly in edge cases
# (including weird syntax errors)
-BEGIN {
- chdir 't' if -d 't';
- @INC = '../lib';
+print "1..118\n";
+
+sub failed {
+ my ($got, $expected, $name) = @_;
+
+ print "not ok $test - $name\n";
+ my @caller = caller(1);
+ print "# Failed test at $caller[1] line $caller[2]\n";
+ if (defined $got) {
+ print "# Got '$got'\n";
+ } else {
+ print "# Got undef\n";
+ }
+ print "# Expected $expected\n";
+ return;
}
-BEGIN { require "./test.pl"; }
-plan( tests => 65 );
+sub like {
+ my ($got, $pattern, $name) = @_;
+ $test = $test + 1;
+ if (defined $got && $got =~ $pattern) {
+ print "ok $test - $name\n";
+ # Principle of least surprise - maintain the expected interface, even
+ # though we aren't using it here (yet).
+ return 1;
+ }
+ failed($got, $pattern, $name);
+}
+
+sub is {
+ my ($got, $expect, $name) = @_;
+ $test = $test + 1;
+ if (defined $expect) {
+ if (defined $got && $got eq $expect) {
+ print "ok $test - $name\n";
+ return 1;
+ }
+ failed($got, "'$expect'", $name);
+ } else {
+ if (!defined $got) {
+ print "ok $test - $name\n";
+ return 1;
+ }
+ failed($got, 'undef', $name);
+ }
+}
eval '%@x=0;';
like( $@, qr/^Can't modify hash dereference in repeat \(x\)/, '%@x=0' );
print "#";
print(
$data{foo});
-pass();
+$test = $test + 1;
+print "ok $test\n";
# Bug #21875
# { q.* => ... } should be interpreted as hash, not block
{
my ($expect, $eval) = split / /, $line, 2;
my $result = eval $eval;
- ok($@ eq '', "eval $eval");
+ is($@, '', "eval $eval");
is(ref $result, $expect ? 'HASH' : '', $eval);
}
like( $@, qr/syntax error/, "use without body" );
}
-# Bug #27024
-{
- # this used to segfault (because $[=1 is optimized away to a null block)
- my $x;
- $[ = 1 while $x;
- pass();
- $[ = 0; # restore the original value for less side-effects
-}
-
# [perl #2738] perl segfautls on input
{
eval q{ sub _ <> {} };
like($@, qr/Illegal declaration of subroutine main::_/, "__FILE__ as prototype");
}
-# [perl #36313] perl -e "1for$[=0" crash
-{
- my $x;
- $x = 1 for ($[) = 0;
- pass('optimized assignment to $[ used to segfault in list context');
- if ($[ = 0) { $x = 1 }
- pass('optimized assignment to $[ used to segfault in scalar context');
- $x = ($[=2.4);
- is($x, 2, 'scalar assignment to $[ behaves like other variables');
- $x = (($[) = 0);
- is($x, 1, 'list assignment to $[ behaves like other variables');
- $x = eval q{ ($[, $x) = (0) };
- like($@, qr/That use of \$\[ is unsupported/,
- 'cannot assign to $[ in a list');
- eval q{ ($[) = (0, 1) };
- like($@, qr/That use of \$\[ is unsupported/,
- 'cannot assign list of >1 elements to $[');
- eval q{ ($[) = () };
- like($@, qr/That use of \$\[ is unsupported/,
- 'cannot assign list of <1 elements to $[');
-}
-
# tests for "Bad name"
eval q{ foo::$bar };
like( $@, qr/Bad name after foo::/, 'Bad name after foo::' );
like($@, qr/Can't modify/, 'croak cleanup 3' );
+# these might leak, or have duplicate frees, depending on the bugginess of
+# the parser stack 'fail in reduce' cleanup code. They're here mainly as
+# something to be run under valgrind, with PERL_DESTRUCT_LEVEL=1.
+
+eval q[ BEGIN { } ] for 1..10;
+is($@, "", 'BEGIN 1' );
+
+eval q[ BEGIN { my $x; $x = 1 } ] for 1..10;
+is($@, "", 'BEGIN 2' );
+
+eval q[ BEGIN { \&foo1 } ] for 1..10;
+is($@, "", 'BEGIN 3' );
+
+eval q[ sub foo2 { } ] for 1..10;
+is($@, "", 'BEGIN 4' );
+
+eval q[ sub foo3 { my $x; $x=1 } ] for 1..10;
+is($@, "", 'BEGIN 5' );
+
+eval q[ BEGIN { die } ] for 1..10;
+like($@, qr/BEGIN failed--compilation aborted/, 'BEGIN 6' );
+
+eval q[ BEGIN {\&foo4; die } ] for 1..10;
+like($@, qr/BEGIN failed--compilation aborted/, 'BEGIN 7' );
+
+{
+ # RT #70934
+ # check both the specific case in the ticket, and a few other paths into
+ # S_scan_ident()
+ # simplify long ids
+ my $x100 = "x" x 256;
+ my $xFE = "x" x 254;
+ my $xFD = "x" x 253;
+ my $xFC = "x" x 252;
+ my $xFB = "x" x 251;
+
+ eval qq[ \$#$xFB ];
+ is($@, "", "251 character \$# sigil ident ok");
+ eval qq[ \$#$xFC ];
+ like($@, qr/Identifier too long/, "too long id in \$# sigil ctx");
+
+ eval qq[ \$$xFB ];
+ is($@, "", "251 character \$ sigil ident ok");
+ eval qq[ \$$xFC ];
+ like($@, qr/Identifier too long/, "too long id in \$ sigil ctx");
+
+ eval qq[ %$xFB ];
+ is($@, "", "251 character % sigil ident ok");
+ eval qq[ %$xFC ];
+ like($@, qr/Identifier too long/, "too long id in % sigil ctx");
+
+ eval qq[ \\&$xFC ]; # take a ref since I don't want to call it
+ is($@, "", "252 character & sigil ident ok");
+ eval qq[ \\&$xFD ];
+ like($@, qr/Identifier too long/, "too long id in & sigil ctx");
+
+ eval qq[ *$xFC ];
+ is($@, "", "252 character glob ident ok");
+ eval qq[ *$xFD ];
+ like($@, qr/Identifier too long/, "too long id in glob ctx");
+
+ eval qq[ for $xFD ];
+ like($@, qr/Missing \$ on loop variable/,
+ "253 char id ok, but a different error");
+ eval qq[ for $xFE; ];
+ like($@, qr/Identifier too long/, "too long id in for ctx");
+
+ # the specific case from the ticket
+ my $x = "x" x 257;
+ eval qq[ for $x ];
+ like($@, qr/Identifier too long/, "too long id ticket case");
+}
+
+{
+ eval qq[ {sub zlonk} ];
+ is($@, '', 'sub declaration followed by a closing curly');
+}
+
+# Add new tests HERE:
+
+# More awkward tests for #line. Keep these at the end, as they will screw
+# with sane line reporting for any other test failures
+
+sub check ($$$) {
+ my ($file, $line, $name) = @_;
+ my (undef, $got_file, $got_line) = caller;
+ like ($got_file, $file, "file of $name");
+ is ($got_line, $line, "line of $name");
+}
+
+my $this_file = qr/parser\.t(?:\.[bl]eb?)?$/;
+#line 3
+check($this_file, 3, "bare line");
+
+# line 5
+check($this_file, 5, "bare line with leading space");
+
+#line 7
+check($this_file, 7, "trailing space still valid");
+
+# line 11
+check($this_file, 11, "leading and trailing");
+
+# line 13
+check($this_file, 13, "leading tab");
+
+#line 17
+check($this_file, 17, "middle tab");
+
+#line 19
+check($this_file, 19, "loadsaspaces");
+
+#line 23 KASHPRITZA
+check(qr/^KASHPRITZA$/, 23, "bare filename");
+
+#line 29 "KAHEEEE"
+check(qr/^KAHEEEE$/, 29, "filename in quotes");
+
+#line 31 "CLINK CLOINK BZZT"
+check(qr/^CLINK CLOINK BZZT$/, 31, "filename with spaces in quotes");
+
+#line 37 "THOOM THOOM"
+check(qr/^THOOM THOOM$/, 37, "filename with tabs in quotes");
+
+#line 41 "GLINK PLINK GLUNK DINK"
+check(qr/^GLINK PLINK GLUNK DINK$/, 41, "a space after the quotes");
+
+#line 43 "BBFRPRAFPGHPP
+check(qr/^"BBFRPRAFPGHPP$/, 43, "actually missing a quote is still valid");
+
+#line 47 bang eth
+check(qr/^"BBFRPRAFPGHPP$/, 46, "but spaces aren't allowed without quotes");
+
+#line 77sevenseven
+check(qr/^"BBFRPRAFPGHPP$/, 49, "need a space after the line number");
+
+eval <<'EOSTANZA'; die $@ if $@;
+#line 51 "With wonderful deathless ditties|We build up the world's great cities,|And out of a fabulous story|We fashion an empire's glory:|One man with a dream, at pleasure,|Shall go forth and conquer a crown;|And three with a new song's measure|Can trample a kingdom down."
+check(qr/^With.*down\.$/, 51, "Overflow the second small buffer check");
+EOSTANZA
+
+# And now, turn on the debugger flag for long names
+$^P = 0x100;
+
+#line 53 "For we are afar with the dawning|And the suns that are not yet high,|And out of the infinite morning|Intrepid you hear us cry-|How, spite of your human scorning,|Once more God's future draws nigh,|And already goes forth the warning|That ye of the past must die."
+check(qr/^For we.*must die\.$/, 53, "Our long line is set up");
+
+eval <<'EOT'; die $@ if $@;
+#line 59 " "
+check(qr/^ $/, 59, "Overflow the first small buffer check only");
+EOT
+
+eval <<'EOSTANZA'; die $@ if $@;
+#line 61 "Great hail! we cry to the comers|From the dazzling unknown shore;|Bring us hither your sun and your summers;|And renew our world as of yore;|You shall teach us your song's new numbers,|And things that we dreamed not before:|Yea, in spite of a dreamer who slumbers,|And a singer who sings no more."
+check(qr/^Great hail!.*no more\.$/, 61, "Overflow both small buffer checks");
+EOSTANZA
+
+{
+ my @x = 'string';
+ is(eval q{ "$x[0]->strung" }, 'string->strung',
+ 'literal -> after an array subscript within ""');
+ @x = ['string'];
+ # this used to give "string"
+ like("$x[0]-> [0]", qr/^ARRAY\([^)]*\)-> \[0]\z/,
+ 'literal -> [0] after an array subscript within ""');
+}
+
+__END__
+# Don't add new tests HERE. See note above
https://perl5.git.perl.org / perl5.git / blobdiff