# Checks if the parser behaves correctly in edge cases
# (including weird syntax errors)
-BEGIN {
- chdir 't' if -d 't';
- @INC = '../lib';
+print "1..122\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 $expected\n";
+ return;
+}
+
+sub like {
+ my ($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, $name);
}
-require "./test.pl";
-plan( tests => 9 );
+sub is {
+ my ($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' );
like( $@, qr/^Missing right brace on \\x/,
'syntax error in string, used to dump core' );
+eval q/"\N{"/;
+like( $@, qr/^Missing right brace on \\N/,
+ 'syntax error in string with incomplete \N' );
+eval q/"\Nfoo"/;
+like( $@, qr/^Missing braces on \\N/,
+ 'syntax error in string with incomplete \N' );
+
eval "a.b.c.d.e.f;sub";
like( $@, qr/^Illegal declaration of anonymous subroutine/,
'found by Markov chain stress testing' );
# This used to dump core (bug #17920)
eval q{ sub { sub { f1(f2();); my($a,$b,$c) } } };
like( $@, qr/error/, 'lexical block discarded by yacc' );
+
+# bug #18573, used to corrupt memory
+eval q{ "\c" };
+like( $@, qr/^Missing control char name in \\c/, q("\c" string) );
+
+eval q{ qq(foo$) };
+like( $@, qr/Final \$ should be \\\$ or \$name/, q($ at end of "" string) );
+
+# two tests for memory corruption problems in the said variables
+# (used to dump core or produce strange results)
+
+is( "\Q\Q\Q\Q\Q\Q\Q\Q\Q\Q\Q\Q\Qa", "a", "PL_lex_casestack" );
+
+eval {
+{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{
+{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{
+{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{{
+}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}
+}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}
+}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}
+};
+is( $@, '', 'PL_lex_brackstack' );
+
+{
+ # tests for bug #20716
+ undef $a;
+ undef @b;
+ my $a="A";
+ is("${a}{", "A{", "interpolation, qq//");
+ is("${a}[", "A[", "interpolation, qq//");
+ my @b=("B");
+ is("@{b}{", "B{", "interpolation, qq//");
+ is(qr/${a}{/, '(?-xism:A{)', "interpolation, qr//");
+ my $c = "A{";
+ $c =~ /${a}{/;
+ is($&, 'A{', "interpolation, m//");
+ $c =~ s/${a}{/foo/;
+ is($c, 'foo', "interpolation, s/...//");
+ $c =~ s/foo/${a}{/;
+ is($c, 'A{', "interpolation, s//.../");
+ is(<<"${a}{", "A{ A[ B{\n", "interpolation, here doc");
+${a}{ ${a}[ @{b}{
+${a}{
+}
+
+eval q{ sub a(;; &) { } a { } };
+is($@, '', "';&' sub prototype confuses the lexer");
+
+# Bug #21575
+# ensure that the second print statement works, by playing a bit
+# with the test output.
+my %data = ( foo => "\n" );
+print "#";
+print(
+$data{foo});
+$test = $test + 1;
+print "ok $test\n";
+
+# Bug #21875
+# { q.* => ... } should be interpreted as hash, not block
+
+foreach my $line (split /\n/, <<'EOF')
+1 { foo => 'bar' }
+1 { qoo => 'bar' }
+1 { q => 'bar' }
+1 { qq => 'bar' }
+0 { q,'bar', }
+0 { q=bar= }
+0 { qq=bar= }
+1 { q=bar= => 'bar' }
+EOF
+{
+ my ($expect, $eval) = split / /, $line, 2;
+ my $result = eval $eval;
+ is($@, '', "eval $eval");
+ is(ref $result, $expect ? 'HASH' : '', $eval);
+}
+
+# Bug #24212
+{
+ local $SIG{__WARN__} = sub { }; # silence mandatory warning
+ eval q{ my $x = -F 1; };
+ like( $@, qr/(?i:syntax|parse) error .* near "F 1"/, "unknown filetest operators" );
+ is(
+ eval q{ sub F { 42 } -F 1 },
+ '-42',
+ '-F calls the F function'
+ );
+}
+
+# Bug #24762
+{
+ eval q{ *foo{CODE} ? 1 : 0 };
+ is( $@, '', "glob subscript in conditional" );
+}
+
+# Bug #25824
+{
+ eval q{ sub f { @a=@b=@c; {use} } };
+ like( $@, qr/syntax error/, "use without body" );
+}
+
+# [perl #2738] perl segfautls on input
+{
+ eval q{ sub _ <> {} };
+ like($@, qr/Illegal declaration of subroutine main::_/, "readline operator as prototype");
+
+ eval q{ $s = sub <> {} };
+ like($@, qr/Illegal declaration of anonymous subroutine/, "readline operator as prototype");
+
+ eval q{ sub _ __FILE__ {} };
+ like($@, qr/Illegal declaration of subroutine main::_/, "__FILE__ as prototype");
+}
+
+# tests for "Bad name"
+eval q{ foo::$bar };
+like( $@, qr/Bad name after foo::/, 'Bad name after foo::' );
+eval q{ foo''bar };
+like( $@, qr/Bad name after foo'/, 'Bad name after foo\'' );
+
+# test for ?: context error
+eval q{($a ? $x : ($y)) = 5};
+like( $@, qr/Assignment to both a list and a scalar/, 'Assignment to both a list and a scalar' );
+
+eval q{ s/x/#/e };
+is( $@, '', 'comments in s///e' );
+
+# these five used to coredump because the op cleanup on parse error could
+# be to the wrong pad
+
+eval q[
+ sub { our $a= 1;$a;$a;$a;$a;$a;$a;$a;$a;$a;$a;$a;$a;$a;$a;$a;$a;$a;$a;$a;
+ sub { my $z
+];
+
+like($@, qr/Missing right curly/, 'nested sub syntax error' );
+
+eval q[
+ sub { my ($a,$b,$c,$d,$e,$f,$g,$h,$i,$j,$k,$l,$m,$n,$o,$p,$q,$r,$s,$r);
+ sub { my $z
+];
+like($@, qr/Missing right curly/, 'nested sub syntax error 2' );
+
+eval q[
+ sub { our $a= 1;$a;$a;$a;$a;$a;$a;$a;$a;$a;$a;$a;$a;$a;$a;$a;$a;$a;$a;$a;
+ use DieDieDie;
+];
+
+like($@, qr/Can't locate DieDieDie.pm/, 'croak cleanup' );
+
+eval q[
+ sub { my ($a,$b,$c,$d,$e,$f,$g,$h,$i,$j,$k,$l,$m,$n,$o,$p,$q,$r,$s,$r);
+ use DieDieDie;
+];
+
+like($@, qr/Can't locate DieDieDie.pm/, 'croak cleanup 2' );
+
+
+eval q[
+ my @a;
+ my ($a,$b,$c,$d,$e,$f,$g,$h,$i,$j,$k,$l,$m,$n,$o,$p,$q,$r,$s,$r);
+ @a =~ s/a/b/; # compile-time error
+ use DieDieDie;
+];
+
+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");
+}
+
+{
+ is(exists &zlonk, '', 'sub not present');
+ eval qq[ {sub zlonk} ];
+ is($@, '', 'sub declaration followed by a closing curly');
+ is(exists &zlonk, 1, 'sub now stubbed');
+ is(defined &zlonk, '', 'but no body defined');
+}
+
+# bug #71748
+eval q{
+ $_ = "";
+ s/(.)/
+ {
+ #
+ }->{$1};
+ /e;
+ 1;
+};
+is($@, "", "multiline whitespace inside substitute expression");
+
+# 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
projects / p5sagit/p5-mst-13.2.git / blobdiff