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Contents
module CEML
grammar Casting
include Lexer
rule casting_statement
('gather' / 'await' / 'nab') ws roles within_phrase:within_phrase? <CastingStatement>
end
rule within_phrase
ws 'within' ws distance
end
rule roles
role more:(and role)* {
def list
[role] + more.elements.map{ |e| e.role }
end
def names; list.map{ |r| r.name.to_sym }; end
def [](x); list.detect{ |r| r.name.to_sym == x }; end
def min; list.map(&:min).inject(0, &:+); end
def max; list.map(&:max).inject(0, &:+); end
}
end
rule qualifier
id
end
rule rolename
id
end
rule role
(rolename &and / range ws qualifier ws rolename / range ws rolename / qualifier ws rolename / rolename) {
def name; if respond_to? :rolename then rolename.text_value else text_value end; end
def min
return range.min if respond_to? :range
name =~ /s$/ ? 2 : 1
end
def max
return range.max if respond_to? :range
name =~ /s$/ ? 10000 : 1
end
def qualifiers
return [qualifier.text_value] if respond_to? :qualifier
return []
end
}
end
end
end
Version data entries
8 entries across 8 versions & 1 rubygems