@property<EOL><INDENT>def params(self):<DEDENT>
<EOL>if self._definition and not self._params:<EOL><INDENT>self._params = []<EOL>for sub_instr, _, _ in self._definition:<EOL><INDENT>self._params.extend(sub_instr.params)  <EOL><DEDENT>return self._params<EOL><DEDENT>else:<EOL><INDENT>return self._params<EOL><DEDENT>
return instruction params