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Re^2: Examples or tutorials for Perl grammars?

by LittleJack (Beadle)
on Jul 09, 2021 at 21:21 UTC ( #11134870=note: print w/replies, xml ) Need Help??


in reply to Re: Examples or tutorials for Perl grammars?
in thread Examples or tutorials for Perl grammars?

What's an AST?

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Re^3: Examples or tutorials for Perl grammars?
by choroba (Archbishop) on Jul 09, 2021 at 21:35 UTC
    Abstract Syntax Tree. That's the structure parsers usually return (but they don't have to, see e.g. my Marpa Enhanced Calculator where the parser directly calculates the expressions without actually building the tree).

    map{substr$_->[0],$_->[1]||0,1}[\*||{},3],[[]],[ref qr-1,-,-1],[{}],[sub{}^*ARGV,3]
Re^3: Examples or tutorials for Perl grammars?
by AnomalousMonk (Bishop) on Jul 09, 2021 at 21:35 UTC

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