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autrijus (1505)
Friday February 04, 2005
07:19 AM
Day 4: Parsec; 90% of operators implemented!
On day 4 of Pugs, it turns out Perl6 really requires a monadic parser combinator that can lex and parse in a single pass, and able to switch parts of the grammar at middle of a lexeme stream. Fortunately, Parsec is exactly such a monster, so I'll probably stick with it. :-)
In other news, I'm finishing up user-defined Sub/Block expressions right now, so hopefully Pugs will reach turing completeness tonight.
Update: Turns out I got sidetracked into implementing the primitive operators -- currently covering 90% from the operator table. That means we can parse and evaluate most of simple expressions in perl6 now. Yay!
Or is it a BUG?"
"Let's call it an accidental feature. :-)"
--Larry Wall in <6909@jpl-devvax.JPL.NASA.GOV>
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