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Cor Grammar

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Ovid edited this page Sep 14, 2021 · 10 revisions

Please see the main page of the repo for the actual RFC. As it states there:

Anything in the Wiki should be considered "rough drafts."

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TRIAL GRAMMAR

Below is a minimal and almost certainly incorrect grammar as a starting point for discussion.

Corinna         ::= CLASS | ROLE
CLASS       ::= DESCRIPTOR? 'class' NAMESPACE
                DECLARATION BLOCK
DESCRIPTOR  ::= 'abstract'
ROLE        ::= 'role' NAMESPACE
                DECLARATION BLOCK
NAMESPACE   ::= IDENTIFIER { '::' IDENTIFIER } VERSION? 
DECLARATION ::= { PARENTS | ROLES } | { ROLES | PARENTS }
PARENTS     ::= 'isa' NAMESPACE  { ',' NAMESPACE }
ROLES       ::= 'does' NAMESPACE { ',' NAMESPACE } ','?
IDENTIFIER  ::= [:alpha:] {[:alnum:]}
VERSION     ::= 'v' DIGIT {DIGIT} '.' DIGIT {DIGIT} '.' DIGIT {DIGIT}
DIGIT       ::= [0-9]
BLOCK       ::= # Perl +/- Extras

Corinna—Bringing Modern OO to Perl

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