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# frozen_string_literal: true
module SyntaxSuggest
# Mini String IO [Private]
#
# Acts like a StringIO with reduced API, but without having to require that
# class.
#
# The original codebase emitted directly to $stderr, but now SyntaxError#detailed_message
# needs a string output. To accomplish that we kept the original print infrastructure in place and
# added this class to accumulate the print output into a string.
class MiniStringIO
EMPTY_ARG = Object.new
def initialize(isatty: $stderr.isatty)
@string = +""
@isatty = isatty
end
attr_reader :isatty
def puts(value = EMPTY_ARG, **)
if !value.equal?(EMPTY_ARG)
@string << value
end
@string << $/
end
attr_reader :string
end
end
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