Removed dynamic-binding library from local registry and add docs.
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|dylan-grammar-test||Docs for Dylan grammar.|
|pl0-grammar-test||Works around issue 112 by evaluating the rule expression at run time …|
|registry/generic||Remove "dynamic-binding" from local registry.|
|.gitmodules||Implement parser attributes using OD's dynamic-bind.|
|README.txt||Added information about eliminating spurious errors.|
|library.dylan||Implement parser attributes using OD's dynamic-bind.|
|parser-definers.dylan||Fixed doc typos.|
|parser-functions.dylan||Implement parser attributes using OD's dynamic-bind.|
|parser-rules.dylan||Clean up whitespace.|
|parser-support.dylan||Implement parser attributes using OD's dynamic-bind.|
|peg-parser.lid||Don't build an executable for peg-parser.|
=== Library: Peg-parser === This is a memoizing (or, more correctly, caching) recursive descent parser that handles attributed parsing expression grammars (PEGs), as described at 'http://en.wikipedia.org/wiki/Parsing_expression_grammar'. It isn't too tricky to use. Basically, a PEG can act as both a lexical and phrase grammar, and acts similarly to a forward-looking greedy regular expression processor, except that it acts on tokens instead of characters. This library allows for simple rules-based declarations and also custom parser functions (you'll need some of these to get characters and literals from the stream). The parser can simplify and consolidate syntax elements in an upwards direction along the syntax tree via token class slots, and downward or across the syntax tree via dynamically-bound attributes. You can also define a context class to keep global information for later semantic processing. -- Dustin Voss --- Compilation --- Open Dylan currently has problems properly inferring types when compiling this library into another project. It reports numerous spurious errors. To avoid seeing these, pipe the compilation of libraries that 'use' [em] this library through "egrep" [i] as follows: | BASH: dylan-compiler ... 2>&1 | egrep -v '^$|^ |^[[:digit:]]|<parse-failure>|<parse-extent>' | CSH: dylan-compiler ... |& egrep -v '^$|^ |^[[:digit:]]|<parse-failure>|<parse-extent>'