parser

Granted the library is fairly naive (it's a pull parser, but it later became clear I wanted a push parser for Servo).

Or is all the tech just a glorified lexical parser to fine tune ads to increase their efficiency?

Here, you can pretty much write out your BNF directly and get a parser out of it.

But if i take the raw source code say their ASN.1 parser and implement it in my own program?

Once a parser gets into the picture, then the input strings have to have semantics that the parser can use and a hidden set of parser rules for interpreting those semantics.

Make sure you're running the latest parser code; do an 'hg sync' on the go tree.

Writing everything in continuation-passing style is like writing your own filesystem or parser state machine.

And how, for example, this feature will be brought into an existing Unicode parser.

You have a parser (analyzer) that turns text into an AST, then a compiler that turns the AST into the target code.

It's a parser that does the output in a particular pretty printed format?

I liked experience writing Tomita LR parser generator in J - while learning both parsing and J:).

This entire module needs scrapping and rewriting with a proper FSM/parser generator.

(extend-parser "^" (mac (x) `(proc (?),x))) # Provide a prefix syntax that constructs a unary macro from just a body.

(extend-parser "%" (mac (x) `(mac (?),x))) # Apply an anonymous macro to 4, resulting in definitions for cad{1,4}r # being generated then evaluated: ( %`(seq ~(map ^(let i (codepoint-count?) sym (string-to (sprint "ca"?