1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
|
# frozen_string_literal: true
module RuboCop
module AST
class NodePattern
# Utility to assign a set of values to a constant
module Sets
REGISTRY = Hash.new do |h, set|
name = Sets.name(set).freeze
Sets.const_set(name, set)
h[set] = "::RuboCop::AST::NodePattern::Sets::#{name}"
end
MAX = 4
def self.name(set)
elements = set
elements = set.first(MAX - 1) << :etc if set.size > MAX
name = elements.to_a.join('_').upcase.gsub(/[^A-Z0-9_]/, '')
uniq("SET_#{name}")
end
def self.uniq(name)
return name unless Sets.const_defined?(name)
(2..Float::INFINITY).each do |i|
uniq = "#{name}_#{i}"
return uniq unless Sets.const_defined?(uniq)
end
end
def self.[](set)
REGISTRY[set]
end
end
end
end
end
|
