Wow, very impressive. ++!

// <-[\n]>*:

I'd really want to take advantage of the new \N:

    // \N*
[download]

foreach my $function (@functions)

In Perl6, foreach will just be for. The C-style for loop will be called loop. And the for syntax will slightly change:

for @functions -> my $function {
    ...
}
[download]

rule quoted_string ($type)
{
    $type
    [
        <-[$type]>*:
        |
        [ <after \\ > $type ]
    ]*
    $type
}
[download]

Why not already have both types there?

rule quoted_string {
    $delimiter := ( <['"]> )
    [
        <!before $delimiter> .
        |
        <after \\> $delimiter
    ]*
    $delimiter
}
[download]

Hmm - In current regex stuff, I'd probably have written: /(['"]) (?: (?! \\ | \1) . | \\ . )* \1/x. Why not use something like that? (Or is it just a matter of taste?)

rule quoted_string {
    $delimiter := ( <['"]> )
    [
        <!before \\ | $delimiter> .
        |
        \\ .
    ]
    $delimiter
}
[download]

- Yes, I reinvent wheels.
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