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# frozen_string_literal: true
require 'ripper'
module Hamlit
class RubyExpression < Ripper
class ParseError < StandardError; end
def self.syntax_error?(code)
self.new(code).parse
false
rescue ParseError
true
end
def self.string_literal?(code)
return false if syntax_error?(code)
type, instructions = Ripper.sexp(code)
return false if type != :program
return false if instructions.size > 1
type, _ = instructions.first
type == :string_literal
end
private
def on_parse_error(*)
raise ParseError
end
end
end
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