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pcc.t
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pcc.t
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#!perl
# Copyright (C) 2001-2009, Parrot Foundation.
# $Id$
use strict;
use warnings;
use lib qw( . lib ../lib ../../lib );
use Test::More;
use Parrot::Config;
use Parrot::Test tests => 26;
##############################
# Parrot Calling Conventions
pir_output_is( <<'CODE', <<'OUT', "low-level syntax" );
.sub test :main
.const 'Sub' sub = "_sub"
.const int y = 20
.begin_call
.set_arg 10
.set_arg y
.call sub
.local string z
.get_result z
.end_call
print z
end
.end
.sub _sub
.param int a
.param int b
print a
print "\n"
print b
print "\n"
.return ("ok\n")
.end
CODE
10
20
ok
OUT
pir_output_is( <<'CODE', <<'OUT', "func() syntax" );
.sub test :main
.const int y = 20
.local string z
z = _sub(10, y)
print z
end
.end
.sub _sub
.param int a
.param int b
print a
print "\n"
print b
print "\n"
.return ("ok\n")
.end
CODE
10
20
ok
OUT
pir_output_is( <<'CODE', <<'OUT', "quoted sub names" );
.sub main :main
"foo"()
print "ok\n"
.end
.sub "foo"
print "foo\n"
"new"()
.end
.sub "new"
print "new\n"
.end
CODE
foo
new
ok
OUT
pir_output_is( <<'CODE', <<'OUT', "_func() syntax with var - global" );
.sub test :main
.local pmc the_sub
the_sub = get_global "_sub"
the_sub(10, 20)
end
.end
.sub _sub
.param int a
.param int b
print a
print "\n"
print b
print "\n"
end
.end
CODE
10
20
OUT
pir_output_is( <<'CODE', "42\n", "multiple returns" );
.sub test :main
.local int a, b
(a, b) = _sub()
print a
print b
print "\n"
.end
.sub _sub
.return ( 4, 2 )
.end
CODE
pir_output_is( <<'CODE', <<'OUT', "tail recursive sub" );
.sub test :main
.local int count, product, result
count = 5
product = 1
result = _fact(product, count)
print result
print "\n"
end
.end
.sub _fact
.param int product
.param int count
if count > 1 goto recur
.return (product)
recur:
product = product * count
dec count
.tailcall _fact(product, count)
.end
CODE
120
OUT
####################
# coroutine iterator
#
# pseudo source code:
# main () {
# int i=5;
# foreach addtwo(i) {
# print $_, "\n";
# }
# print "done in main\n";
# }
#
# addtwo (int a) {
# int i;
# for (i=0; i<10; i++) {
# yield a+i;
# }
# print "done in coroutine\n";
# }
pir_output_is( <<'CODE', <<'OUT', "coroutine iterator" );
.sub test :main
.local int i
i=5
new $P1, 'Continuation'
set_addr $P1, after_loop
loop:
$I2 = _addtwo($P1, i)
print $I2
print "\n"
goto loop
after_loop:
.get_results ()
print "done in main\n"
.end
.sub _addtwo
.param pmc when_done
.param int a
.local int i
i = 0
loop:
if i >= 10 goto done
$I5 = a+i
.yield($I5)
i = i + 1
goto loop
done:
print "done in coroutine\n"
when_done()
.end
CODE
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done in coroutine
done in main
OUT
pir_output_is( <<'CODE', <<'OUT', "coroutine iterator - throw stop" );
.sub test :main
.local int i
i=5
push_eh after_loop
loop:
$I2 = _addtwo(i)
print $I2
print "\n"
goto loop
after_loop:
print "done in main\n"
.end
.sub _addtwo
.param int a
.local int i
i = 0
loop:
if i >= 10 goto done
$I5 = a+i
.yield($I5)
i = i + 1
goto loop
done:
print "done in coroutine\n"
new $P0, 'Exception'
throw $P0
.end
CODE
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done in coroutine
done in main
OUT
pir_output_is( <<'CODE', <<'OUT', ".set_arg :flat" );
.sub _main
.local pmc x, y, z, ar, ar2
x = new 'String'
x = "first\n"
y = new 'String'
y = "middle\n"
z = new 'String'
z = "last\n"
ar = new 'ResizablePMCArray'
push ar, "ok 1\n"
push ar, "ok 2\n"
ar2 = new 'ResizablePMCArray'
push ar2, "ok 3\n"
push ar2, "ok 4\n"
push ar2, "ok 5\n"
.const 'Sub' s = "_sub"
.begin_call
.set_arg x
.set_arg ar :flat
.set_arg y
.set_arg ar2 :flat
.set_arg z
.call s
.end_call
end
.end
.sub _sub
.param pmc a
.param pmc b
.param pmc c
.param pmc d
.param pmc e
.param pmc f
.param pmc g
.param pmc h
print a
print b
print c
print d
print e
print f
print g
print h
.end
CODE
first
ok 1
ok 2
middle
ok 3
ok 4
ok 5
last
OUT
pir_output_is( <<'CODE', <<'OUT', "foo (arg :flat)" );
.sub _main
.local pmc x, y, z, ar, ar2
x = new 'String'
x = "first\n"
y = new 'String'
y = "middle\n"
z = new 'String'
z = "last\n"
ar = new 'ResizablePMCArray'
push ar, "ok 1\n"
push ar, "ok 2\n"
ar2 = new 'ResizablePMCArray'
push ar2, "ok 3\n"
push ar2, "ok 4\n"
push ar2, "ok 5\n"
_sub(x, ar :flat, y, ar2 :flat, z)
end
.end
.sub _sub
.param pmc a
.param pmc b
.param pmc c
.param pmc d
.param pmc e
.param pmc f
.param pmc g
.param pmc h
print a
print b
print c
print d
print e
print f
print g
print h
.end
CODE
first
ok 1
ok 2
middle
ok 3
ok 4
ok 5
last
OUT
pir_output_is( <<'CODE', <<'OUT', ":main pragma, syntax only" );
.sub _main :main
print "ok\n"
end
.end
CODE
ok
OUT
# The result of the code should depend on whether we run parrot with the
# "-o code.pbc -r -r" command line params.
# Strangely, the same output is written
pir_output_like( <<'CODE', <<'OUT', "more pragmas, syntax only" );
.sub _main :main :load :postcomp
print "ok\n"
end
.end
CODE
/(ok\n){1,2}/
OUT
pir_output_is( <<'CODE', <<'OUT', "multi 1" );
.sub foo :multi()
print "ok 1\n"
.end
.sub f1 :multi(int)
.end
.sub f2 :multi(int, float)
.end
.sub f3 :multi(Integer, Any, _)
.end
CODE
ok 1
OUT
pir_output_is( <<'CODE', <<'OUT', "\:main defined twice" );
.sub foo :main
set $S0, 'not ok'
print $S0
print "\r\n"
end
.end
.sub bar :main
set $S0, 'ok'
print $S0
print "\r\n"
end
.end
CODE
ok
OUT
pir_output_is( <<'CODE', <<'OUT', "\:anon subpragma, syntax only" );
.sub anon :anon
print "ok\n"
.end
CODE
ok
OUT
pir_output_is( <<'CODE', <<'OUT', "\:anon doesn't install symbol 1" );
.sub main :main
.local pmc result
result = get_global 'anon'
unless null result goto callit
result = get_global 'ok'
callit:
result()
.end
.sub anon :anon
print "not ok\n"
.end
.sub ok
print "ok\n"
.end
CODE
ok
OUT
pir_output_is( <<'CODE', <<'OUT', "\:anon doesn't install symbol 2" );
.sub main :main
.local pmc result
result= get_global 'anon'
result()
.end
.sub anon
print "ok\n"
.end
.sub anon :anon
print "not ok\n"
.end
CODE
ok
OUT
pir_output_is( <<'CODE', <<'OUT', "multiple \:anon subs with same name" );
.sub main :main
.local pmc result
result= get_global 'anon'
unless null result goto callit
result = get_global 'ok'
callit:
result()
.end
.sub anon :anon
print "nok 1\n"
.end
.sub anon :anon
print "nok 2\n"
.end
.sub ok
print "ok\n"
.end
CODE
ok
OUT
pir_output_is( <<'CODE', <<'OUT', "()=foo() syntax, no return values" );
.sub main :main
() = foo()
.end
.sub foo
print "foo\n"
.end
CODE
foo
OUT
pir_output_is( <<'CODE', <<'OUT', "()=foo() syntax, skip returned value" );
.sub main :main
() = foo()
.end
.sub foo
print "foo\n"
.return(1)
.end
CODE
foo
OUT
my $too_many_args = <<'CODE';
.sub main :main
'foo'(_ARGS_)
say "didn't segfault"
.end
.sub foo
.end
CODE
my $too_many_args_args = join ',', 1 .. 20_000;
$too_many_args =~ s/_ARGS_/$too_many_args_args/;
pir_output_is( $too_many_args, "didn't segfault\n", "calling a sub with way too many args" );
my $too_many_params = <<'CODE';
.sub main :main
'foo'()
say "didn't segfault"
.end
.sub foo
_PARAMS_
.end
CODE
my $too_many_params_params = join map { " .param pmc xx$_\n" } 1 .. 20_000;
$too_many_params =~ s/_PARAMS_/$too_many_params_params/;
pir_output_is( $too_many_params, "didn't segfault\n", "calling a sub with way too many params" );
pir_output_is( <<'CODE', <<'OUT', 'Unicode allowed in method names, TT #730' );
.sub 'main' :main
$P0 = newclass 'Foo'
$P1 = new $P0
$S0 = utf8:"foo\x{b1}"
$P1.$S0(1)
$P1.utf8:"foo\x{b1}"(2)
.end
.namespace ['Foo']
.sub utf8:"foo\x{b1}" :method
.param int count
print 'ok '
print count
say ' - Unicode method names allowed'
.end
CODE
ok 1 - Unicode method names allowed
ok 2 - Unicode method names allowed
OUT
pir_output_is( <<'CODE', <<'OUT', 'named parameters');
.sub main
.local pmc foo
foo = get_global 'foo'
foo('x' => 1, 'y' => 2)
foo(1 :named('x'), 2 :named('y'))
.begin_call
.set_arg 1 :named('x')
.set_arg 2 :named('y')
.call foo
.end_call
.end
.sub foo
.param int i :named('y')
.param int j :named('x')
say i
say j
.end
CODE
2
1
2
1
2
1
OUT
pir_output_is( <<'CODE', <<'OUT', 'escape sequences in sub names, TT #1125' );
.sub 'main'
say "xyz:<\" \">"
.const 'Sub' $P0 = 'foo'
say $P0
say ""
say "xyz:<\\>"
.const 'Sub' $P1 = 'bar'
say $P1
.end
.sub "xyz:<\" \">" :subid('foo')
say "xyz-quote"
.end
.sub "xyz:<\\>" :subid('bar')
say "xyz-backslash"
.end
CODE
xyz:<" ">
xyz:<" ">
xyz:<\>
xyz:<\>
OUT
pir_output_is( <<'CODE', <<'OUT', ':named should default to param name');
.sub main
$I0 = 'incr'('value'=>3)
say $I0
.end
.sub 'incr'
.param int value :named
inc value
.return(value)
.end
CODE
4
OUT
# Local Variables:
# mode: cperl
# cperl-indent-level: 4
# fill-column: 100
# End:
# vim: expandtab shiftwidth=4: