veryhigh.po

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msgid ""
msgstr ""
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#: ../../c-api/veryhigh.rst:8
msgid "The Very High Level Layer"
msgstr "极高层级 API"

#: ../../c-api/veryhigh.rst:10
msgid ""
"The functions in this chapter will let you execute Python source code given "
"in a file or a buffer, but they will not let you interact in a more detailed"
" way with the interpreter."
msgstr "本章节的函数将允许你执行在文件或缓冲区中提供的 Python 源代码，但它们将不允许你以更细节化的方式与解释器进行交互。"

#: ../../c-api/veryhigh.rst:14
msgid ""
"Several of these functions accept a start symbol from the grammar as a "
"parameter.  The available start symbols are :c:data:`Py_eval_input`, "
":c:data:`Py_file_input`, :c:data:`Py_single_input`, and "
":c:data:`Py_func_type_input`.  These are described following the functions "
"which accept them as parameters."
msgstr ""
"这些函数中有几个可以接受特定的语法起始符号作为形参。可用的起始符号有 :c:data:`Py_eval_input`, "
":c:data:`Py_file_input`, :c:data:`Py_single_input` 和 "
":c:data:`Py_func_type_input`。这些符号会在接受它们作为形参的函数中加以说明。"

#: ../../c-api/veryhigh.rst:20
msgid ""
"Note also that several of these functions take :c:expr:`FILE*` parameters.  "
"One particular issue which needs to be handled carefully is that the "
":c:type:`FILE` structure for different C libraries can be different and "
"incompatible.  Under Windows (at least), it is possible for dynamically "
"linked extensions to actually use different libraries, so care should be "
"taken that :c:expr:`FILE*` parameters are only passed to these functions if "
"it is certain that they were created by the same library that the Python "
"runtime is using."
msgstr ""
"还要注意这些函数中有几个可以接受 :c:expr:`FILE*` 形参。有一个需要小心处理的特别问题是针对不同 C 库的 :c:type:`FILE` "
"结构体可能是不相同且不兼容的。 （至少是）在 Windows 中，动态链接的扩展实际上有可能会使用不同的库，所以应当特别注意只有在确定这些函数是由 "
"Python 运行时所使用的相同的库创建的情况下才将 :c:expr:`FILE*` 形参传给它们。"

#: ../../c-api/veryhigh.rst:31
msgid ""
"This is a simplified interface to :c:func:`PyRun_AnyFileExFlags` below, "
"leaving *closeit* set to ``0`` and *flags* set to ``NULL``."
msgstr ""
"这是针对下面 :c:func:`PyRun_AnyFileExFlags` 的简化版接口，将 *closeit* 设为 ``0`` 而将 *flags*"
" 设为 ``NULL``。"

#: ../../c-api/veryhigh.rst:37
msgid ""
"This is a simplified interface to :c:func:`PyRun_AnyFileExFlags` below, "
"leaving the *closeit* argument set to ``0``."
msgstr "这是针对下面 :c:func:`PyRun_AnyFileExFlags` 的简化版接口，将 *closeit* 参数设为 ``0``。"

#: ../../c-api/veryhigh.rst:43
msgid ""
"This is a simplified interface to :c:func:`PyRun_AnyFileExFlags` below, "
"leaving the *flags* argument set to ``NULL``."
msgstr "这是针对下面 :c:func:`PyRun_AnyFileExFlags` 的简化版接口，将 *flags* 参数设为 ``NULL``。"

#: ../../c-api/veryhigh.rst:49
msgid ""
"If *fp* refers to a file associated with an interactive device (console or "
"terminal input or Unix pseudo-terminal), return the value of "
":c:func:`PyRun_InteractiveLoop`, otherwise return the result of "
":c:func:`PyRun_SimpleFile`.  *filename* is decoded from the filesystem "
"encoding (:func:`sys.getfilesystemencoding`).  If *filename* is ``NULL``, "
"this function uses ``\"???\"`` as the filename. If *closeit* is true, the "
"file is closed before ``PyRun_SimpleFileExFlags()`` returns."
msgstr ""
"如果 *fp* 指向一个关联到交互设备（控制台或终端输入或 Unix 伪终端）的文件，则返回 "
":c:func:`PyRun_InteractiveLoop` 的值，否则返回 :c:func:`PyRun_SimpleFile` 的结果。 "
"*filename* 会使用文件系统的编码格式 (:func:`sys.getfilesystemencoding`) 来解码。如果 "
"*filename* 为 ``NULL``，此函数会使用 ``\"???\"`` 作为文件名。如果 *closeit* 为真值，文件会在 "
"``PyRun_SimpleFileExFlags()`` 返回之前被关闭。"

#: ../../c-api/veryhigh.rst:61
msgid ""
"This is a simplified interface to :c:func:`PyRun_SimpleStringFlags` below, "
"leaving the :c:struct:`PyCompilerFlags`\\* argument set to ``NULL``."
msgstr ""
"这是针对下面 :c:func:`PyRun_SimpleStringFlags` 的简化版接口，将 "
":c:struct:`PyCompilerFlags`\\* 参数设为 ``NULL``。"

#: ../../c-api/veryhigh.rst:67
msgid ""
"Executes the Python source code from *command* in the :mod:`__main__` module"
" according to the *flags* argument. If :mod:`__main__` does not already "
"exist, it is created.  Returns ``0`` on success or ``-1`` if an exception "
"was raised.  If there was an error, there is no way to get the exception "
"information. For the meaning of *flags*, see below."
msgstr ""
"根据 *flags* 参数，在 :mod:`__main__` 模块中执行 Python 源代码。如果 :mod:`__main__` "
"尚不存在，它将被创建。成功时返回 ``0``，如果引发异常则返回 ``-1``。如果发生错误，则将无法获得异常信息。对于 *flags* "
"的含义，请参阅下文。"

#: ../../c-api/veryhigh.rst:73
msgid ""
"Note that if an otherwise unhandled :exc:`SystemExit` is raised, this "
"function will not return ``-1``, but exit the process, as long as "
":c:member:`PyConfig.inspect` is zero."
msgstr ""
"请注意如果引发了一个在其他场合下未处理的 :exc:`SystemExit`，此函数将不会返回 ``-1``，而是退出进程，只要 "
":c:member:`PyConfig.inspect` 为零就会这样。"

#: ../../c-api/veryhigh.rst:80
msgid ""
"This is a simplified interface to :c:func:`PyRun_SimpleFileExFlags` below, "
"leaving *closeit* set to ``0`` and *flags* set to ``NULL``."
msgstr ""
"这是针对下面 :c:func:`PyRun_SimpleFileExFlags` 的简化版接口，将 *closeit* 设为 ``0`` 而将 "
"*flags* 设为 ``NULL``。"

#: ../../c-api/veryhigh.rst:86
msgid ""
"This is a simplified interface to :c:func:`PyRun_SimpleFileExFlags` below, "
"leaving *flags* set to ``NULL``."
msgstr ""
"这是针对下面 :c:func:`PyRun_SimpleFileExFlags` 的简化版接口，将 *flags* 设为 ``NULL``。"

#: ../../c-api/veryhigh.rst:92
msgid ""
"Similar to :c:func:`PyRun_SimpleStringFlags`, but the Python source code is "
"read from *fp* instead of an in-memory string. *filename* should be the name"
" of the file, it is decoded from :term:`filesystem encoding and error "
"handler`. If *closeit* is true, the file is closed before "
"``PyRun_SimpleFileExFlags()`` returns."
msgstr ""
"类似于 :c:func:`PyRun_SimpleStringFlags`，但 Python 源代码是从 *fp* 读取而不是一个内存中的字符串。 "
"*filename* 应为文件名，它将使用 :term:`filesystem encoding and error handler` 来解码。如果 "
"*closeit* 为真值，则文件将在 ``PyRun_SimpleFileExFlags()`` 返回之前被关闭。"

#: ../../c-api/veryhigh.rst:99
msgid ""
"On Windows, *fp* should be opened as binary mode (e.g. ``fopen(filename, "
"\"rb\")``). Otherwise, Python may not handle script file with LF line ending"
" correctly."
msgstr ""
"在 Windows 上，*fp* 应当以二进制模式打开 (即 ``fopen(filename, \"rb\")``)。否则，Python "
"可能无法正确地处理使用 LF 行结束符的脚本文件。"

#: ../../c-api/veryhigh.rst:105
msgid ""
"Read and execute a single statement from a file associated with an "
"interactive device according to the *flags* argument.  The user will be "
"prompted using ``sys.ps1`` and ``sys.ps2``. *filename* must be a Python "
":class:`str` object."
msgstr ""
"根据 *flags* 参数读取并执行来自与交互设备相关联的文件的一条语句。用户将得到使用 ``sys.ps1`` 和 ``sys.ps2`` 的提示。 "
"*filename* 必须是一个 Python :class:`str` 对象。"

#: ../../c-api/veryhigh.rst:110
msgid ""
"Returns ``0`` when the input was executed successfully, ``-1`` if there was "
"an exception, or an error code from the :file:`errcode.h` include file "
"distributed as part of Python if there was a parse error.  (Note that "
":file:`errcode.h` is not included by :file:`Python.h`, so must be included "
"specifically if needed.)"
msgstr ""
"当输入被成功执行时返回 ``0``，如果引发异常则返回 ``-1``，或者如果存在解析错误则返回来自作为 Python 的组成部分发布的 "
":file:`errcode.h` 包含文件的错误代码。 （请注意 :file:`errcode.h` 并未被 :file:`Python.h` "
"所包含，因此如果需要则必须专门地包含。）"

#: ../../c-api/veryhigh.rst:119
msgid ""
"This is a simplified interface to :c:func:`PyRun_InteractiveOneFlags` below,"
" leaving *flags* set to ``NULL``."
msgstr ""
"这是针对下面 :c:func:`PyRun_InteractiveOneFlags` 的简化版接口，将 *flags* 设为 ``NULL``。"

#: ../../c-api/veryhigh.rst:125
msgid ""
"Similar to :c:func:`PyRun_InteractiveOneObject`, but *filename* is a "
":c:expr:`const char*`, which is decoded from the :term:`filesystem encoding "
"and error handler`."
msgstr ""
"类似于 :c:func:`PyRun_InteractiveOneObject`，但 *filename* 是一个 :c:expr:`const "
"char*`，它使用 :term:`filesystem encoding and error handler` 来解码。"

#: ../../c-api/veryhigh.rst:132
msgid ""
"This is a simplified interface to :c:func:`PyRun_InteractiveLoopFlags` "
"below, leaving *flags* set to ``NULL``."
msgstr ""
"这是针对下面 :c:func:`PyRun_InteractiveLoopFlags` 的简化版接口，将 *flags* 设为 ``NULL``。"

#: ../../c-api/veryhigh.rst:138
msgid ""
"Read and execute statements from a file associated with an interactive "
"device until EOF is reached.  The user will be prompted using ``sys.ps1`` "
"and ``sys.ps2``.  *filename* is decoded from the :term:`filesystem encoding "
"and error handler`.  Returns ``0`` at EOF or a negative number upon failure."
msgstr ""
"读取并执行来自与交互设备相关联的语句直至到达 EOF。用户将得到使用 ``sys.ps1`` 和 ``sys.ps2`` 的提示。 *filename*"
" 将使用 :term:`filesystem encoding and error handler` 来解码。当位于 EOF 时将返回 "
"``0``，或者当失败时将返回一个负数。"

#: ../../c-api/veryhigh.rst:146
msgid ""
"Can be set to point to a function with the prototype ``int func(void)``.  "
"The function will be called when Python's interpreter prompt is about to "
"become idle and wait for user input from the terminal.  The return value is "
"ignored.  Overriding this hook can be used to integrate the interpreter's "
"prompt with other event loops, as done in :file:`Modules/_tkinter.c` in the "
"Python source code."
msgstr ""
"可以设为指向一个原型为 ``int func(void)`` 的函数。该函数将在 Python 的解释器提示符即将空闲并等待用户从终端输入时被调用。 "
"返回值会被忽略。重写这个钩子可被用来将解释器的提示符集成到其他事件循环中，就像 Python 源代码中 "
":file:`Modules/_tkinter.c` 所做的那样。"

#: ../../c-api/veryhigh.rst:154 ../../c-api/veryhigh.rst:178
msgid ""
"This function is only called from the :ref:`main interpreter <sub-"
"interpreter-support>`."
msgstr "此函数只能被 :ref:`主解释器 <sub-interpreter-support>` 调用。"

#: ../../c-api/veryhigh.rst:161
msgid ""
"Can be set to point to a function with the prototype ``char *func(FILE "
"*stdin, FILE *stdout, char *prompt)``, overriding the default function used "
"to read a single line of input at the interpreter's prompt.  The function is"
" expected to output the string *prompt* if it's not ``NULL``, and then read "
"a line of input from the provided standard input file, returning the "
"resulting string.  For example, The :mod:`readline` module sets this hook to"
" provide line-editing and tab-completion features."
msgstr ""
"可以被设为指向一个原型为 ``char *func(FILE *stdin, FILE *stdout, char *prompt)`` "
"的函数，重写被用来读取解释器提示符的一行输入的默认函数。该函数被预期为如果字符串 *prompt* 不为 ``NULL`` "
"就输出它，然后从所提供的标准输入文件读取一行输入，并返回结果字符串。例如，:mod:`readline` 模块将这个钩子设置为提供行编辑和 tab "
"键补全等功能。"

#: ../../c-api/veryhigh.rst:170
msgid ""
"The result must be a string allocated by :c:func:`PyMem_RawMalloc` or "
":c:func:`PyMem_RawRealloc`, or ``NULL`` if an error occurred."
msgstr ""
"结果必须是一个由 :c:func:`PyMem_RawMalloc` 或 :c:func:`PyMem_RawRealloc` "
"分配的字符串，或者如果发生错误则为 ``NULL``。"

#: ../../c-api/veryhigh.rst:173
msgid ""
"The result must be allocated by :c:func:`PyMem_RawMalloc` or "
":c:func:`PyMem_RawRealloc`, instead of being allocated by "
":c:func:`PyMem_Malloc` or :c:func:`PyMem_Realloc`."
msgstr ""
"结果必须由 :c:func:`PyMem_RawMalloc` 或 :c:func:`PyMem_RawRealloc` 分配，而不是由 "
":c:func:`PyMem_Malloc` 或 :c:func:`PyMem_Realloc` 分配。"

#: ../../c-api/veryhigh.rst:184
msgid ""
"This is a simplified interface to :c:func:`PyRun_StringFlags` below, leaving"
" *flags* set to ``NULL``."
msgstr "这是针对下面 :c:func:`PyRun_StringFlags` 的简化版接口，将 *flags* 设为 ``NULL``。"

#: ../../c-api/veryhigh.rst:190
msgid ""
"Execute Python source code from *str* in the context specified by the "
"objects *globals* and *locals* with the compiler flags specified by *flags*."
"  *globals* must be a dictionary; *locals* can be any object that implements"
" the mapping protocol.  The parameter *start* specifies the start symbol and"
" must be one of the :ref:`available start symbols <start-symbols>`."
msgstr ""
"在由 *globals* 和 *locals* 对象指定的上下文中执行 *str* 中的 Python 源代码并使用由 *flags* "
"指定的编译器旗标。 *globals* 必须是一个字典；*locals* 可以是任何实现了映射协议的对象。 形参 *start* 指定起始符号并且必须是"
" :ref:`可用的起始符号 <start-symbols>` 之一。"

#: ../../c-api/veryhigh.rst:196
msgid ""
"Returns the result of executing the code as a Python object, or ``NULL`` if "
"an exception was raised."
msgstr "返回将代码作为 Python 对象执行的结果，或者如果引发了异常则返回 ``NULL``。"

#: ../../c-api/veryhigh.rst:202
msgid ""
"This is a simplified interface to :c:func:`PyRun_FileExFlags` below, leaving"
" *closeit* set to ``0`` and *flags* set to ``NULL``."
msgstr ""
"这是针对下面 :c:func:`PyRun_FileExFlags` 的简化版接口，将 *closeit* 设为 ``0`` 并将 *flags* 设为"
" ``NULL``."

#: ../../c-api/veryhigh.rst:208
msgid ""
"This is a simplified interface to :c:func:`PyRun_FileExFlags` below, leaving"
" *flags* set to ``NULL``."
msgstr "这是针对下面 :c:func:`PyRun_FileExFlags` 的简化版接口，将 *flags* 设为 ``NULL``。"

#: ../../c-api/veryhigh.rst:214
msgid ""
"This is a simplified interface to :c:func:`PyRun_FileExFlags` below, leaving"
" *closeit* set to ``0``."
msgstr "这是针对下面 :c:func:`PyRun_FileExFlags` 的简化版接口，将 *closeit* 设为 ``0``。"

#: ../../c-api/veryhigh.rst:220
msgid ""
"Similar to :c:func:`PyRun_StringFlags`, but the Python source code is read "
"from *fp* instead of an in-memory string. *filename* should be the name of "
"the file, it is decoded from the :term:`filesystem encoding and error "
"handler`. If *closeit* is true, the file is closed before "
":c:func:`PyRun_FileExFlags` returns."
msgstr ""
"类似于 :c:func:`PyRun_StringFlags`，但 Python 源代码是从 *fp* 读取而不是一个内存中的字符串。 "
"*filename* 应为文件名，它将使用 :term:`filesystem encoding and error handler` 来解码。如果 "
"*closeit* 为真值，则文件将在 :c:func:`PyRun_FileExFlags` 返回之前被关闭。"

#: ../../c-api/veryhigh.rst:229
msgid ""
"This is a simplified interface to :c:func:`Py_CompileStringFlags` below, "
"leaving *flags* set to ``NULL``."
msgstr "这是针对下面 :c:func:`Py_CompileStringFlags` 的简化版接口，将 *flags* 设为 ``NULL``。"

#: ../../c-api/veryhigh.rst:235
msgid ""
"This is a simplified interface to :c:func:`Py_CompileStringExFlags` below, "
"with *optimize* set to ``-1``."
msgstr ""
"这是针对下面 :c:func:`Py_CompileStringExFlags` 的简化版接口，将 *optimize* 设为 ``-1``。"

#: ../../c-api/veryhigh.rst:241
msgid ""
"Parse and compile the Python source code in *str*, returning the resulting "
"code object.  The start symbol is given by *start*; this can be used to "
"constrain the code which can be compiled and should be :ref:`available start"
" symbols <start-symbols>`.  The filename specified by *filename* is used to "
"construct the code object and may appear in tracebacks or :exc:`SyntaxError`"
" exception messages.  This returns ``NULL`` if the code cannot be parsed or "
"compiled."
msgstr ""
"解析并编译 *str* 中的 Python 源代码，返回结果代码对象。起始符号由 *start* 给出；这可用于约束可编译的代码并且应当是 "
":ref:`可用的起始符号 <start-symbols>`。由 *filename* 指定的文件名将被用来构建代码对象并可能出现在回溯或 "
":exc:`SyntaxError` 异常消息中。如果代码无法被解析或编译则返回 ``NULL``。"

#: ../../c-api/veryhigh.rst:249
msgid ""
"The integer *optimize* specifies the optimization level of the compiler; a "
"value of ``-1`` selects the optimization level of the interpreter as given "
"by :option:`-O` options.  Explicit levels are ``0`` (no optimization; "
"``__debug__`` is true), ``1`` (asserts are removed, ``__debug__`` is false) "
"or ``2`` (docstrings are removed too)."
msgstr ""
"整数 *optimize* 指定编译器的优化级别；值 ``-1`` 将选择与 :option:`-O` 选项相同的解释器优化级别。显式级别为 ``0``"
" (无优化；``__debug__`` 为真值)、``1`` (断言被移除，``__debug__`` 为假值) 或 ``2`` "
"(文档字符串也被移除)。"

#: ../../c-api/veryhigh.rst:260
msgid ""
"Like :c:func:`Py_CompileStringObject`, but *filename* is a byte string "
"decoded from the :term:`filesystem encoding and error handler`."
msgstr ""
"与 :c:func:`Py_CompileStringObject` 类似，但 *filename* 是一个字节串，使用 "
":term:`filesystem encoding and error handler` 来解码。"

#: ../../c-api/veryhigh.rst:267
msgid ""
"This is a simplified interface to :c:func:`PyEval_EvalCodeEx`, with just the"
" code object, and global and local variables.  The other arguments are set "
"to ``NULL``."
msgstr ""
"这是针对 :c:func:`PyEval_EvalCodeEx` 的简化版接口，只附带代码对象，以及全局和局部变量。其他参数均设为 ``NULL``。"

#: ../../c-api/veryhigh.rst:274
msgid ""
"Evaluate a precompiled code object, given a particular environment for its "
"evaluation.  This environment consists of a dictionary of global variables, "
"a mapping object of local variables, arrays of arguments, keywords and "
"defaults, a dictionary of default values for :ref:`keyword-only <keyword-"
"only_parameter>` arguments and a closure tuple of cells."
msgstr ""
"对一个预编译的代码对象求值，为其求值给出特定的环境。此环境由全局变量的字典，局部变量映射对象，参数、关键字和默认值的数组，:ref:`仅限关键字 "
"<keyword-only_parameter>` 参数的默认值的字典和单元的封闭元组构成。"

#: ../../c-api/veryhigh.rst:283
msgid ""
"Evaluate an execution frame.  This is a simplified interface to "
":c:func:`PyEval_EvalFrameEx`, for backward compatibility."
msgstr "对一个执行帧求值。这是针对 :c:func:`PyEval_EvalFrameEx` 的简化版接口，用于保持向下兼容性。"

#: ../../c-api/veryhigh.rst:289
msgid ""
"This is the main, unvarnished function of Python interpretation.  The code "
"object associated with the execution frame *f* is executed, interpreting "
"bytecode and executing calls as needed.  The additional *throwflag* "
"parameter can mostly be ignored - if true, then it causes an exception to "
"immediately be thrown; this is used for the :meth:`~generator.throw` methods"
" of generator objects."
msgstr ""
"这是 Python 解释运行不带修饰的主函数。与执行帧 *f* 相关联的代码对象将被执行，解释字节码并根据需要执行调用。额外的 *throwflag* "
"形参基本可以被忽略 —— 如果为真值，则会导致立即抛出一个异常；这会被用于生成器对象的 :meth:`~generator.throw` 方法。"

#: ../../c-api/veryhigh.rst:296
msgid ""
"This function now includes a debug assertion to help ensure that it does not"
" silently discard an active exception."
msgstr "该函数现在包含一个调试断言，用以确保不会静默地丢弃活动的异常。"

#: ../../c-api/veryhigh.rst:303
msgid ""
"This function changes the flags of the current evaluation frame, and returns"
" true on success, false on failure."
msgstr "此函数会修改当前求值帧的旗标，并在成功时返回真值，失败时返回假值。"

#: ../../c-api/veryhigh.rst:309
msgid ""
"This is the structure used to hold compiler flags.  In cases where code is "
"only being compiled, it is passed as ``int flags``, and in cases where code "
"is being executed, it is passed as ``PyCompilerFlags *flags``.  In this "
"case, ``from __future__ import`` can modify *flags*."
msgstr ""
"这是用来存放编译器旗标的结构体。对于代码仅被编译的情况，它将作为 ``int flags`` 传入，而对于代码要被执行的情况，它将作为 "
"``PyCompilerFlags *flags`` 传入。在这种情况下，``from __future__ import`` 可以修改 "
"*flags*."

#: ../../c-api/veryhigh.rst:314
msgid ""
"Whenever ``PyCompilerFlags *flags`` is ``NULL``, "
":c:member:`~PyCompilerFlags.cf_flags` is treated as equal to ``0``, and any "
"modification due to ``from __future__ import`` is discarded."
msgstr ""
"只要 ``PyCompilerFlags *flags`` 是 "
"``NULL``，:c:member:`~PyCompilerFlags.cf_flags` 就会被视为等同于 ``0``，而由于 ``from "
"__future__ import`` 而产生的任何修改都会被丢弃。"

#: ../../c-api/veryhigh.rst:320
msgid "Compiler flags."
msgstr "编译器旗标。"

#: ../../c-api/veryhigh.rst:324
msgid ""
"*cf_feature_version* is the minor Python version. It should be initialized "
"to ``PY_MINOR_VERSION``."
msgstr "*cf_feature_version* 是 Python 的小版本号。它应当被初始化为 ``PY_MINOR_VERSION``。"

#: ../../c-api/veryhigh.rst:327
msgid ""
"The field is ignored by default, it is used if and only if ``PyCF_ONLY_AST``"
" flag is set in :c:member:`~PyCompilerFlags.cf_flags`."
msgstr ""
"该字段默认会被忽略，当且仅当在 :c:member:`~PyCompilerFlags.cf_flags` 中设置了 ``PyCF_ONLY_AST``"
" 旗标时它才会被使用。"

#: ../../c-api/veryhigh.rst:330
msgid "Added *cf_feature_version* field."
msgstr "增加了 *cf_feature_version* 字段。"

#: ../../c-api/veryhigh.rst:333
msgid "The available compiler flags are accessible as macros:"
msgstr "现有的编译器旗标可作为宏来使用："

#: ../../c-api/veryhigh.rst:342
msgid ""
"See :ref:`compiler flags <ast-compiler-flags>` in documentation of the "
":py:mod:`!ast` Python module, which exports these constants under the same "
"names."
msgstr ""
"请参阅 :py:mod:`!ast` Python 模块文档中的 :ref:`编译器旗标 <ast-compiler-"
"flags>`，它们会将这些常量以相同的名称导出。"

#: ../../c-api/veryhigh.rst:346
msgid ""
"The \"``PyCF``\" flags above can be combined with \"``CO_FUTURE``\" flags "
"such as :c:macro:`CO_FUTURE_ANNOTATIONS` to enable features normally "
"selectable using :ref:`future statements <future>`. See "
":ref:`c_codeobject_flags` for a complete list."
msgstr ""
"上述 \"``PyCF``\" 旗标可与 \"``CO_FUTURE``\" 类旗标如 :c:macro:`CO_FUTURE_ANNOTATIONS`"
" 组合使用，以启用通常通过 :ref:`future 语句 <future>` 选择的功能特性。完整旗标列表请参见 "
":ref:`c_codeobject_flags`."

#: ../../c-api/veryhigh.rst:355
msgid "Available start symbols"
msgstr "可用的起始符号"

#: ../../c-api/veryhigh.rst:362
msgid ""
"The start symbol from the Python grammar for isolated expressions; for use "
"with :c:func:`Py_CompileString`."
msgstr "Python 语法中用于孤立表达式的起始符号；配合 :c:func:`Py_CompileString` 使用。"

#: ../../c-api/veryhigh.rst:370
msgid ""
"The start symbol from the Python grammar for sequences of statements as read"
" from a file or other source; for use with :c:func:`Py_CompileString`.  This"
" is the symbol to use when compiling arbitrarily long Python source code."
msgstr ""
"Python 语法中用于从文件或其他源读取语句序列的起始符号；配合 :c:func:`Py_CompileString` 使用。这是在编译任意长的 "
"Python 源代码时要使用的符号。"

#: ../../c-api/veryhigh.rst:379
msgid ""
"The start symbol from the Python grammar for a single statement; for use "
"with :c:func:`Py_CompileString`. This is the symbol used for the interactive"
" interpreter loop."
msgstr ""
"Python 语法中用于单独语句的起始符号；配合 :c:func:`Py_CompileString` 使用。这是用于交互式解释器循环的符号。"

#: ../../c-api/veryhigh.rst:388
msgid ""
"The start symbol from the Python grammar for a function type; for use with "
":c:func:`Py_CompileString`. This is used to parse \"signature type "
"comments\" from :pep:`484`."
msgstr ""
"Python 语法中用于函数类型的起始符号；配合 :c:func:`Py_CompileString` 使用。这是用于解析来自 :pep:`484` 的"
" \"签名类型注释\"。"

#: ../../c-api/veryhigh.rst:392
msgid "This requires the :c:macro:`PyCF_ONLY_AST` flag to be set."
msgstr "这需要设置 :c:macro:`PyCF_ONLY_AST` 旗标。"

#: ../../c-api/veryhigh.rst:395
msgid ":py:class:`ast.FunctionType`"
msgstr ":py:class:`ast.FunctionType`"

#: ../../c-api/veryhigh.rst:396
msgid ":pep:`484`"
msgstr ":pep:`484`"

#: ../../c-api/veryhigh.rst:402
msgid "Stack Effects"
msgstr "栈影响"

#: ../../c-api/veryhigh.rst:405
msgid ":py:func:`dis.stack_effect`"
msgstr ":py:func:`dis.stack_effect`"

#: ../../c-api/veryhigh.rst:410
msgid "Sentinel value representing an invalid stack effect."
msgstr "代表无效栈影响的哨兵值。"

#: ../../c-api/veryhigh.rst:412
msgid "This is currently equivalent to ``INT_MAX``."
msgstr "目前这等价于 ``INT_MAX``。"

#: ../../c-api/veryhigh.rst:419
msgid "Compute the stack effect of *opcode* with argument *oparg*."
msgstr "使用参数 *oparg* 计算 *opcode* 的栈影响。"

#: ../../c-api/veryhigh.rst:421 ../../c-api/veryhigh.rst:435
msgid ""
"On success, this function returns the stack effect; on failure, this returns"
" :c:macro:`PY_INVALID_STACK_EFFECT`."
msgstr "成功时，此函数返回栈影响；失败时，则返回 :c:macro:`PY_INVALID_STACK_EFFECT`。"

#: ../../c-api/veryhigh.rst:429
msgid ""
"Similar to :c:func:`PyCompile_OpcodeStackEffect`, but don't include the "
"stack effect of jumping if *jump* is zero."
msgstr "类似于 :c:func:`PyCompile_OpcodeStackEffect`，但不包括当 *jump* 为零时的跳转的栈影响。"

#: ../../c-api/veryhigh.rst:432
msgid ""
"If *jump* is ``0``, this will not include the stack effect of jumping, but "
"if *jump* is ``1`` or ``-1``, this will include it."
msgstr "如果 *jump* 为 ``0``，这将不包括跳转的栈影响，但如果 *jump* 为 ``1`` 或 ``-1``，这将会包括它。"

#: ../../c-api/veryhigh.rst:360 ../../c-api/veryhigh.rst:368
#: ../../c-api/veryhigh.rst:377 ../../c-api/veryhigh.rst:386
msgid "Py_CompileString (C function)"
msgstr "Py_CompileString (C 函数)"