def value
if Tokens.value?(@token)
return Tokens.value(@token)
elsif Tokens.unquoted_text?(@token)
return Hocon::Impl::ConfigString::Unquoted.new(@token.origin, Tokens.unquoted_text(@token))
elsif Tokens.substitution?(@token)
expression = Tokens.get_substitution_path_expression(@token)
path = Hocon::Impl::PathParser.parse_path_expression(Hocon::Impl::ArrayIterator.new(expression), @token.origin)
optional = Tokens.get_substitution_optional(@token)
return Hocon::Impl::ConfigReference.new(@token.origin, Hocon::Impl::SubstitutionExpression.new(path, optional))
end
raise Hocon::ConfigError::ConfigBugOrBrokenError, 'ConfigNodeSimpleValue did not contain a valid value token'
end