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Make parse from Ruby 1.9 to 2.3 available #233

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merged 1 commit into from
May 13, 2022
Merged

Make parse from Ruby 1.9 to 2.3 available #233

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1 change: 1 addition & 0 deletions changelog/new_make_parse_from_ruby_19_to_23_available.md
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Original file line number Diff line number Diff line change
@@ -0,0 +1 @@
* [#233](https://github.com/rubocop-hq/rubocop-ast/pull/233): Make parse from Ruby 1.9 to 2.3 available. ([@koic][])
19 changes: 17 additions & 2 deletions lib/rubocop/ast/processed_source.rb
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Expand Up @@ -226,9 +226,24 @@ def tokenize(parser)
[ast, comments, tokens]
end

# rubocop:disable Metrics/CyclomaticComplexity, Metrics/MethodLength
# rubocop:disable Metrics/AbcSize, Metrics/CyclomaticComplexity, Metrics/MethodLength
def parser_class(ruby_version)
case ruby_version
when 1.9
require 'parser/ruby19'
Parser::Ruby19
when 2.0
require 'parser/ruby20'
Parser::Ruby20
when 2.1
require 'parser/ruby21'
Parser::Ruby21
when 2.2
require 'parser/ruby22'
Parser::Ruby22
when 2.3
require 'parser/ruby23'
Parser::Ruby23
when 2.4
require 'parser/ruby24'
Parser::Ruby24
Expand All @@ -255,7 +270,7 @@ def parser_class(ruby_version)
"RuboCop found unknown Ruby version: #{ruby_version.inspect}"
end
end
# rubocop:enable Metrics/CyclomaticComplexity, Metrics/MethodLength
# rubocop:enable Metrics/AbcSize, Metrics/CyclomaticComplexity, Metrics/MethodLength

def create_parser(ruby_version)
builder = RuboCop::AST::Builder.new
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