Python scheme_readの例

コード例 #1

ファイル: calc.py プロジェクト: kevinchau321/cs61a

def read_eval_print_loop():
    """Run a read-eval-print loop for Calculator."""
    while True:
        try:
            src = buffer_input()
            while src.more_on_line:
                expression = scheme_read(src)
                print(calc_eval(expression))
        except (SyntaxError, TypeError, ValueError, ZeroDivisionError) as err:
            print(type(err).__name__ + ':', err)
        except (KeyboardInterrupt, EOFError):  # <Control>-D, etc.
            print('Calculation completed.')
            return

コード例 #2

ファイル: scalc.py プロジェクト: yfractal/cs61a

def read_eval_print_loop():
    """Run a read-eval-print loop for Calculator."""
    while True:
        try:
            src = buffer_input()
            while src.more_on_line:
                expression = scheme_read(src)
                print(calc_eval(expression))
        except (SyntaxError, TypeError, ValueError, ZeroDivisionError) as err:
            print(type(err).__name__ + ':', err)
        except (KeyboardInterrupt, EOFError):  # <Control>-D, etc.
            print('Calculation completed.')
            return

コード例 #3

def read_eval_print_loop():
    """Запускает интерактивный цикл Calculator."""
    while True:
        try:
            src = buffer_input()
            while src.more_on_line:
                expression = scheme_read(src)
                print(calc_eval(expression))
        except (SyntaxError, TypeError, ValueError, ZeroDivisionError) as err:
            print(type(err).__name__ + ':', err)
        except (KeyboardInterrupt, EOFError):  # <Control>-D, и т.д.
            print('Вычисление завершено.')
            return