libparse-recdescent-perl

Perl module to create and use recursive-descent parsers

Description

Parse::RecDescent incrementally generates top-down recursive-descent text parsers from simple yacc-like grammar specifications. It provides:

* Regular expressions or literal strings as terminals (tokens)

* Multiple (non-contiguous) productions for any rule

* Repeated, optional and alternate sub-rules within productions

* Late-bound (run-time dispatched) sub-rules

* Full access to Perl within actions specified as part of the grammar

* Simple automated error reporting during parser generation and parsing

* The ability to commit to, uncommit to, or reject particular productions

during a parse

* Incremental extension of the parsing grammar (even during a parse)

* The ability to retrieve the generated parsing code

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