Optional Args in Winxed

output.txt

<winxed git:optional_args> ./winxed test.winxed

foo
4
5
6
bar

foo
7
8
9
test

foo
1
2
3
test

test.pir

# THIS IS A GENERATED FILE! DO NOT EDIT!
# Begin generated code

.namespace [ ]

.sub 'foo' :subid('WSubId_1')
        .param pmc __ARG_1 :optional
        .param int __opt_flag___ARG_1 :opt_flag
        .param string __ARG_2 :optional
        .param int __opt_flag___ARG_2 :opt_flag
    if __opt_flag___ARG_1 goto __have_value___ARG_1
.annotate 'file', 'test.winxed'
.annotate 'line', 1
    root_new $P1, ['parrot';'ResizablePMCArray']
    assign $P1, 3
    $P1[0] = 1
    $P1[1] = 2
    $P1[2] = 3
    __ARG_1 = $P1
    __have_value___ARG_1:
    if __opt_flag___ARG_2 goto __have_value___ARG_2
    __ARG_2 = "test"
    __have_value___ARG_2:
.annotate 'line', 3
    say "\nfoo"
.annotate 'line', 4
    $P1 = __ARG_1[0]
    say $P1
.annotate 'line', 5
    $P1 = __ARG_1[1]
    say $P1
.annotate 'line', 6
    $P1 = __ARG_1[2]
    say $P1
.annotate 'line', 7
    say __ARG_2
.annotate 'line', 8

.end # foo


.sub 'main' :main
        .param pmc __ARG_1
.const 'Sub' WSubId_1 = "WSubId_1"
.annotate 'line', 12
    root_new $P1, ['parrot';'ResizablePMCArray']
    assign $P1, 3
    $P1[0] = 4
    $P1[1] = 5
    $P1[2] = 6
    WSubId_1($P1, "bar")
.annotate 'line', 13
    root_new $P1, ['parrot';'ResizablePMCArray']
    assign $P1, 3
    $P1[0] = 7
    $P1[1] = 8
    $P1[2] = 9
    WSubId_1($P1)
.annotate 'line', 14
    WSubId_1()
.annotate 'line', 15

.end # main

# End generated code

test.winxed

function foo(var x = [1, 2, 3], string y = "test")
{
    say("\nfoo");
    say(x[0]);
    say(x[1]);
    say(x[2]);
    say(y);
}

function main[main](var args)
{
    foo([4, 5, 6], "bar");
    foo([7, 8, 9]);
    foo();
}