X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=t%2Fcomp%2Fparser.t;h=2e23226d99528482237a53caf2547025109d751f;hb=eb5c31c4aa83603839c4ee6108db659cf0327d30;hp=ab43e7340ea624e73dc1d6a73340e12b0e9434ed;hpb=961ce445580b4e9c0fefe3823cbf9226fa16b9bc;p=p5sagit%2Fp5-mst-13.2.git

diff --git a/t/comp/parser.t b/t/comp/parser.t
index ab43e73..2e23226 100644
--- a/t/comp/parser.t
+++ b/t/comp/parser.t
@@ -8,8 +8,8 @@ BEGIN {
     @INC = '../lib';
 }
 
-require "./test.pl";
-plan( tests => 10 );
+BEGIN { require "./test.pl"; }
+plan( tests => 110 );
 
 eval '%@x=0;';
 like( $@, qr/^Can't modify hash dereference in repeat \(x\)/, '%@x=0' );
@@ -23,6 +23,13 @@ eval q/"\x{"/;
 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' );
@@ -51,3 +58,308 @@ 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});
+pass();
+
+# 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 $eval;
+    ok($@ eq  '', "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" );
+}
+
+# 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::_/, "readline operator as prototype");
+
+    eval q{ $s = sub <> {} };
+    like($@, qr/Illegal declaration of anonymous subroutine/, "readline operator as prototype");
+
+    eval q{ sub _ __FILE__ {} };
+    like($@, qr/Illegal declaration of subroutine main::_/, "__FILE__ as prototype");
+}
+
+# [perl #36313] perl -e "1for$[=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::' );
+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' );
+
+# 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 $name");
+}
+
+#line 3
+check(qr/parser\.t$/, 3, "bare line");
+
+# line 5
+check(qr/parser\.t$/, 5, "bare line with leading space");
+
+#line 7 
+check(qr/parser\.t$/, 7, "trailing space still valid");
+
+# line 11 
+check(qr/parser\.t$/, 11, "leading and trailing");
+
+#	line 13
+check(qr/parser\.t$/, 13, "leading tab");
+
+#line	17
+check(qr/parser\.t$/, 17, "middle tab");
+
+#line                                                                        19
+check(qr/parser\.t$/, 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");
+
+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