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Document the 3.10-style calling pattern

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This commit is contained in:
Jeff Epler 2022-10-13 09:24:46 -05:00
parent 47759294e0
commit 448eb1b70b
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GPG Key ID: D5BF15AB975AB4DE
1 changed files with 33 additions and 16 deletions
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49
shared-bindings/traceback/__init__.c
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@ -104,14 +104,24 @@ STATIC void traceback_exception_common(bool is_print_exception, mp_print_t *prin
}
//| def format_exception(
//| etype: Type[BaseException],
//| value: BaseException,
//| tb: TracebackType,
//| exc: BaseException | Type[BaseException],
//| /,
//| value: Optional[BaseException] = None,
//| tb: Optional[TracebackType] = None,
//| limit: Optional[int] = None,
//| chain: Optional[bool] = True,
//| ) -> None:
//| ) -> str:
//| """Format a stack trace and the exception information.
//|
//| If the exception value is passed in ``exc``, then this exception value and its
//| associated traceback are used. This is compatible with CPython 3.10 and newer.
//|
//| If the exception value is passed in ``value``, then any value passed in for
//| ``exc`` is ignored. ``value`` is used as the exception value and the
//| traceback in the ``tb`` argument is used. In this case, if ``tb`` is None,
//| no traceback will be shown. This is compatible with CPython 3.5 and
//| newer.
//|
//| The arguments have the same meaning as the corresponding arguments
//| to print_exception(). The return value is a list of strings, each
//| ending in a newline and some containing internal newlines. When
@ -120,15 +130,13 @@ STATIC void traceback_exception_common(bool is_print_exception, mp_print_t *prin
//|
//| .. note:: Setting ``chain`` will have no effect as chained exceptions are not yet implemented.
//|
//| :param Type[BaseException] etype: This is ignored and inferred from the type of ``value``.
//| :param BaseException value: The exception. Must be an instance of `BaseException`.
//| :param TracebackType tb: The traceback object. If `None`, the traceback will not be printed.
//| :param exc: The exception. Must be an instance of `BaseException`. Unused if value is specified.
//| :param value: If specified, is used in place of ``exc``.
//| :param TracebackType tb: When value is alsp specified, ``tb`` is used in place of the exception's own traceback. If `None`, the traceback will not be printed.
//| :param int limit: Print up to limit stack trace entries (starting from the caller’s frame) if limit is positive.
//| Otherwise, print the last ``abs(limit)`` entries. If limit is omitted or None, all entries are printed.
//| :param bool chain: If `True` then chained exceptions will be printed (note: not yet implemented).
//|
//| """
//| ...
//|
STATIC mp_obj_t traceback_format_exception(size_t n_args, const mp_obj_t *pos_args, mp_map_t *kw_args) {
mp_print_t print;
@ -141,21 +149,30 @@ STATIC mp_obj_t traceback_format_exception(size_t n_args, const mp_obj_t *pos_ar
STATIC MP_DEFINE_CONST_FUN_OBJ_KW(traceback_format_exception_obj, 0, traceback_format_exception);
//| def print_exception(
//| etype: Type[BaseException],
//| value: BaseException,
//| tb: TracebackType,
//| exc: BaseException | Type[BaseException],
//| /,
//| value: Optional[BaseException] = None,
//| tb: Optional[TracebackType] = None,
//| limit: Optional[int] = None,
//| file: Optional[io.FileIO] = None,
//| chain: Optional[bool] = True,
//| ) -> None:
//|
//| """Prints exception information and stack trace entries.
//|
//| If the exception value is passed in ``exc``, then this exception value and its
//| associated traceback are used. This is compatible with CPython 3.10 and newer.
//|
//| If the exception value is passed in ``value``, then any value passed in for
//| ``exc`` is ignored. ``value`` is used as the exception value and the
//| traceback in the ``tb`` argument is used. In this case, if ``tb`` is None,
//| no traceback will be shown. This is compatible with CPython 3.5 and
//| newer.
//|
//| .. note:: Setting ``chain`` will have no effect as chained exceptions are not yet implemented.
//|
//| :param Type[BaseException] etype: This is ignored and inferred from the type of ``value``.
//| :param BaseException value: The exception. Must be an instance of `BaseException`.
//| :param TracebackType tb: The traceback object. If `None`, the traceback will not be printed.
//| :param exc: The exception. Must be an instance of `BaseException`. Unused if value is specified.
//| :param value: If specified, is used in place of ``exc``.
//| :param tb: When value is alsp specified, ``tb`` is used in place of the exception's own traceback. If `None`, the traceback will not be printed.
//| :param int limit: Print up to limit stack trace entries (starting from the caller’s frame) if limit is positive.
//| Otherwise, print the last ``abs(limit)`` entries. If limit is omitted or None, all entries are printed.
//| :param io.FileIO file: If file is omitted or `None`, the output goes to `sys.stderr`; otherwise it should be an open