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# frozen_string_literal: true
module Parser
class << self
def warn_syntax_deviation(feature, version)
warn "warning: parser/current is loading #{feature}, which recognizes " \
"#{version}-compliant syntax, but you are running #{RUBY_VERSION}.\n" \
"Please see https://github.com/whitequark/parser#compatibility-with-ruby-mri."
end
private :warn_syntax_deviation
end
case RUBY_VERSION
when /^2\.0\./
current_version = '2.0.0'
if RUBY_VERSION != current_version
warn_syntax_deviation 'parser/ruby20', current_version
end
require_relative 'ruby20'
CurrentRuby = Ruby20
when /^2\.1\./
current_version = '2.1.10'
if RUBY_VERSION != current_version
warn_syntax_deviation 'parser/ruby21', current_version
end
require_relative 'ruby21'
CurrentRuby = Ruby21
when /^2\.2\./
current_version = '2.2.10'
if RUBY_VERSION != current_version
warn_syntax_deviation 'parser/ruby22', current_version
end
require_relative 'ruby22'
CurrentRuby = Ruby22
when /^2\.3\./
current_version = '2.3.8'
if RUBY_VERSION != current_version
warn_syntax_deviation 'parser/ruby23', current_version
end
require_relative 'ruby23'
CurrentRuby = Ruby23
when /^2\.4\./
current_version = '2.4.10'
if RUBY_VERSION != current_version
warn_syntax_deviation 'parser/ruby24', current_version
end
require_relative 'ruby24'
CurrentRuby = Ruby24
when /^2\.5\./
current_version = '2.5.9'
if RUBY_VERSION != current_version
warn_syntax_deviation 'parser/ruby25', current_version
end
require_relative 'ruby25'
CurrentRuby = Ruby25
when /^2\.6\./
current_version = '2.6.10'
if RUBY_VERSION != current_version
warn_syntax_deviation 'parser/ruby26', current_version
end
require_relative 'ruby26'
CurrentRuby = Ruby26
when /^2\.7\./
current_version = '2.7.8'
if RUBY_VERSION != current_version
warn_syntax_deviation 'parser/ruby27', current_version
end
require_relative 'ruby27'
CurrentRuby = Ruby27
when /^3\.0\./
current_version = '3.0.7'
if RUBY_VERSION != current_version
warn_syntax_deviation 'parser/ruby30', current_version
end
require_relative 'ruby30'
CurrentRuby = Ruby30
when /^3\.1\./
current_version = '3.1.7'
if RUBY_VERSION != current_version
warn_syntax_deviation 'parser/ruby31', current_version
end
require_relative 'ruby31'
CurrentRuby = Ruby31
when /^3\.2\./
current_version = '3.2.10'
if RUBY_VERSION != current_version
warn_syntax_deviation 'parser/ruby32', current_version
end
require_relative 'ruby32'
CurrentRuby = Ruby32
when /^3\.3\./
current_version = '3.3.10'
if RUBY_VERSION != current_version
warn_syntax_deviation 'parser/ruby33', current_version
end
require_relative 'ruby33'
CurrentRuby = Ruby33
when /^3\.4\./
current_version = '3.4.0-dev'
if RUBY_VERSION != current_version
warn_syntax_deviation 'parser/ruby34', current_version
end
require_relative 'ruby34'
CurrentRuby = Ruby34
else # :nocov:
# Keep this in sync with released Ruby.
warn_syntax_deviation 'parser/ruby33', '3.3.x'
require_relative 'ruby33'
CurrentRuby = Ruby33
end
# @!parse
# ##
# # @api public
# #
# # Parser for the running version of Ruby. NOTE: Supports only Ruby <= 3.3. To parse Ruby 3.4+, please use the prism gem. You can also use them in conjunction to support multiple versions using a backwards-compatible AST.
# #
# # @see https://ruby.github.io/prism/rb/docs/ruby_api_md.html prism gem documentation
# # @see https://github.com/whitequark/parser/blob/master/doc/PRISM_TRANSLATION.md Guide to using prism and parser together.
# class ::Parser::CurrentRuby < ::Parser::Base; end
end
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