parameters: (p)
docstring: small_stmt : flow_stmt
                    | expr_stmt
docstring_summary: small_stmt : flow_stmt
                    | expr_stmt
docstring_tokens: small_stmt : flow_stmt | expr_stmt
function: def p_small_stmt(p):
      """small_stmt : flow_stmt
                    | expr_stmt"""
      p[0] = p[1]
function_tokens: def p_small_stmt ( p ) : p [ 0 ] = p [ 1 ]