mirror of https://github.com/python/cpython
bpo-35134: Create Include/cpython/abstract.h (GH-10728)
Move abstract.h code surrounded by "#ifndef Py_LIMITED_API" to a new Include/cpython/abstract.h header file.
This commit is contained in:
Victor Stinner
GitHub
parent
8c281ed403
commit
4060283fce
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@ -138,9 +138,6 @@ extern "C" {
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#ifdef PY_SSIZE_T_CLEAN
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# define PyObject_CallFunction _PyObject_CallFunction_SizeT
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# define PyObject_CallMethod _PyObject_CallMethod_SizeT
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# ifndef Py_LIMITED_API
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# define _PyObject_CallMethodId _PyObject_CallMethodId_SizeT
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# endif /* !Py_LIMITED_API */
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#endif
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@ -155,123 +152,6 @@ extern "C" {
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PyAPI_FUNC(PyObject *) PyObject_Call(PyObject *callable,
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PyObject *args, PyObject *kwargs);
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#ifndef Py_LIMITED_API
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PyAPI_FUNC(PyObject*) _PyStack_AsTuple(
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PyObject *const *stack,
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Py_ssize_t nargs);
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PyAPI_FUNC(PyObject*) _PyStack_AsTupleSlice(
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PyObject *const *stack,
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Py_ssize_t nargs,
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Py_ssize_t start,
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Py_ssize_t end);
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/* Convert keyword arguments from the FASTCALL (stack: C array, kwnames: tuple)
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format to a Python dictionary ("kwargs" dict).
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The type of kwnames keys is not checked. The final function getting
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arguments is responsible to check if all keys are strings, for example using
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PyArg_ParseTupleAndKeywords() or PyArg_ValidateKeywordArguments().
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Duplicate keys are merged using the last value. If duplicate keys must raise
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an exception, the caller is responsible to implement an explicit keys on
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kwnames. */
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PyAPI_FUNC(PyObject *) _PyStack_AsDict(
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PyObject *const *values,
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PyObject *kwnames);
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/* Convert (args, nargs, kwargs: dict) into a (stack, nargs, kwnames: tuple).
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Return 0 on success, raise an exception and return -1 on error.
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Write the new stack into *p_stack. If *p_stack is differen than args, it
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must be released by PyMem_Free().
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The stack uses borrowed references.
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The type of keyword keys is not checked, these checks should be done
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later (ex: _PyArg_ParseStackAndKeywords). */
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PyAPI_FUNC(int) _PyStack_UnpackDict(
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PyObject *const *args,
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Py_ssize_t nargs,
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PyObject *kwargs,
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PyObject *const **p_stack,
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PyObject **p_kwnames);
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/* Suggested size (number of positional arguments) for arrays of PyObject*
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allocated on a C stack to avoid allocating memory on the heap memory. Such
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array is used to pass positional arguments to call functions of the
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_PyObject_FastCall() family.
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The size is chosen to not abuse the C stack and so limit the risk of stack
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overflow. The size is also chosen to allow using the small stack for most
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function calls of the Python standard library. On 64-bit CPU, it allocates
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40 bytes on the stack. */
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#define _PY_FASTCALL_SMALL_STACK 5
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/* Return 1 if callable supports FASTCALL calling convention for positional
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arguments: see _PyObject_FastCallDict() and _PyObject_FastCallKeywords() */
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PyAPI_FUNC(int) _PyObject_HasFastCall(PyObject *callable);
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/* Call the callable object 'callable' with the "fast call" calling convention:
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args is a C array for positional arguments (nargs is the number of
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positional arguments), kwargs is a dictionary for keyword arguments.
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If nargs is equal to zero, args can be NULL. kwargs can be NULL.
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nargs must be greater or equal to zero.
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Return the result on success. Raise an exception on return NULL on
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error. */
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PyAPI_FUNC(PyObject *) _PyObject_FastCallDict(
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PyObject *callable,
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PyObject *const *args,
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Py_ssize_t nargs,
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PyObject *kwargs);
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/* Call the callable object 'callable' with the "fast call" calling convention:
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args is a C array for positional arguments followed by values of
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keyword arguments. Keys of keyword arguments are stored as a tuple
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of strings in kwnames. nargs is the number of positional parameters at
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the beginning of stack. The size of kwnames gives the number of keyword
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values in the stack after positional arguments.
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kwnames must only contains str strings, no subclass, and all keys must
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be unique.
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If nargs is equal to zero and there is no keyword argument (kwnames is
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NULL or its size is zero), args can be NULL.
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Return the result on success. Raise an exception and return NULL on
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error. */
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PyAPI_FUNC(PyObject *) _PyObject_FastCallKeywords(
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PyObject *callable,
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PyObject *const *args,
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Py_ssize_t nargs,
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PyObject *kwnames);
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#define _PyObject_FastCall(func, args, nargs) \
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_PyObject_FastCallDict((func), (args), (nargs), NULL)
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#define _PyObject_CallNoArg(func) \
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_PyObject_FastCallDict((func), NULL, 0, NULL)
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PyAPI_FUNC(PyObject *) _PyObject_Call_Prepend(
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PyObject *callable,
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PyObject *obj,
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PyObject *args,
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PyObject *kwargs);
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PyAPI_FUNC(PyObject *) _PyObject_FastCall_Prepend(
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PyObject *callable,
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PyObject *obj,
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PyObject *const *args,
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Py_ssize_t nargs);
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PyAPI_FUNC(PyObject *) _Py_CheckFunctionResult(PyObject *callable,
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PyObject *result,
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const char *where);
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#endif /* Py_LIMITED_API */
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/* Call a callable Python object 'callable', with arguments given by the
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tuple 'args'. If no arguments are needed, then 'args' can be *NULL*.
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@ -309,14 +189,6 @@ PyAPI_FUNC(PyObject *) PyObject_CallMethod(PyObject *obj,
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const char *name,
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const char *format, ...);
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#ifndef Py_LIMITED_API
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/* Like PyObject_CallMethod(), but expect a _Py_Identifier*
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as the method name. */
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PyAPI_FUNC(PyObject *) _PyObject_CallMethodId(PyObject *obj,
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_Py_Identifier *name,
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const char *format, ...);
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#endif /* !Py_LIMITED_API */
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PyAPI_FUNC(PyObject *) _PyObject_CallFunction_SizeT(PyObject *callable,
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const char *format,
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...);
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@ -326,13 +198,6 @@ PyAPI_FUNC(PyObject *) _PyObject_CallMethod_SizeT(PyObject *obj,
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const char *format,
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...);
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#ifndef Py_LIMITED_API
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PyAPI_FUNC(PyObject *) _PyObject_CallMethodId_SizeT(PyObject *obj,
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_Py_Identifier *name,
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const char *format,
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...);
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#endif /* !Py_LIMITED_API */
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/* Call a callable Python object 'callable' with a variable number of C
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arguments. The C arguments are provided as PyObject* values, terminated
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by a NULL.
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@ -357,13 +222,6 @@ PyAPI_FUNC(PyObject *) PyObject_CallMethodObjArgs(
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PyObject *name,
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...);
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#ifndef Py_LIMITED_API
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PyAPI_FUNC(PyObject *) _PyObject_CallMethodIdObjArgs(
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PyObject *obj,
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struct _Py_Identifier *name,
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...);
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#endif /* !Py_LIMITED_API */
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/* Implemented elsewhere:
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@ -418,16 +276,6 @@ PyAPI_FUNC(Py_ssize_t) PyObject_Size(PyObject *o);
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PyAPI_FUNC(Py_ssize_t) PyObject_Length(PyObject *o);
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#define PyObject_Length PyObject_Size
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#ifndef Py_LIMITED_API
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PyAPI_FUNC(int) _PyObject_HasLen(PyObject *o);
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/* Guess the size of object 'o' using len(o) or o.__length_hint__().
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If neither of those return a non-negative value, then return the default
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value. If one of the calls fails, this function returns -1. */
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PyAPI_FUNC(Py_ssize_t) PyObject_LengthHint(PyObject *o, Py_ssize_t);
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#endif
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/* Return element of 'o' corresponding to the object 'key'. Return NULL
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on failure.
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@ -505,78 +353,6 @@ PyAPI_FUNC(int) PyObject_AsWriteBuffer(PyObject *obj,
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/* === New Buffer API ============================================ */
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#ifndef Py_LIMITED_API
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/* Return 1 if the getbuffer function is available, otherwise return 0. */
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#define PyObject_CheckBuffer(obj) \
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(((obj)->ob_type->tp_as_buffer != NULL) && \
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((obj)->ob_type->tp_as_buffer->bf_getbuffer != NULL))
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/* This is a C-API version of the getbuffer function call. It checks
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to make sure object has the required function pointer and issues the
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call.
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Returns -1 and raises an error on failure and returns 0 on success. */
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PyAPI_FUNC(int) PyObject_GetBuffer(PyObject *obj, Py_buffer *view,
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int flags);
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/* Get the memory area pointed to by the indices for the buffer given.
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Note that view->ndim is the assumed size of indices. */
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PyAPI_FUNC(void *) PyBuffer_GetPointer(Py_buffer *view, Py_ssize_t *indices);
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/* Return the implied itemsize of the data-format area from a
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struct-style description. */
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PyAPI_FUNC(int) PyBuffer_SizeFromFormat(const char *);
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/* Implementation in memoryobject.c */
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PyAPI_FUNC(int) PyBuffer_ToContiguous(void *buf, Py_buffer *view,
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Py_ssize_t len, char order);
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PyAPI_FUNC(int) PyBuffer_FromContiguous(Py_buffer *view, void *buf,
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Py_ssize_t len, char order);
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/* Copy len bytes of data from the contiguous chunk of memory
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pointed to by buf into the buffer exported by obj. Return
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0 on success and return -1 and raise a PyBuffer_Error on
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error (i.e. the object does not have a buffer interface or
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it is not working).
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If fort is 'F', then if the object is multi-dimensional,
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then the data will be copied into the array in
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Fortran-style (first dimension varies the fastest). If
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fort is 'C', then the data will be copied into the array
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in C-style (last dimension varies the fastest). If fort
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is 'A', then it does not matter and the copy will be made
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in whatever way is more efficient. */
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PyAPI_FUNC(int) PyObject_CopyData(PyObject *dest, PyObject *src);
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/* Copy the data from the src buffer to the buffer of destination. */
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PyAPI_FUNC(int) PyBuffer_IsContiguous(const Py_buffer *view, char fort);
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/*Fill the strides array with byte-strides of a contiguous
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(Fortran-style if fort is 'F' or C-style otherwise)
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array of the given shape with the given number of bytes
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per element. */
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PyAPI_FUNC(void) PyBuffer_FillContiguousStrides(int ndims,
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Py_ssize_t *shape,
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Py_ssize_t *strides,
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int itemsize,
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char fort);
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/* Fills in a buffer-info structure correctly for an exporter
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that can only share a contiguous chunk of memory of
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"unsigned bytes" of the given length.
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Returns 0 on success and -1 (with raising an error) on error. */
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PyAPI_FUNC(int) PyBuffer_FillInfo(Py_buffer *view, PyObject *o, void *buf,
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Py_ssize_t len, int readonly,
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int flags);
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/* Releases a Py_buffer obtained from getbuffer ParseTuple's "s*". */
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PyAPI_FUNC(void) PyBuffer_Release(Py_buffer *view);
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#endif /* Py_LIMITED_API */
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/* Takes an arbitrary object and returns the result of calling
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obj.__format__(format_spec). */
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PyAPI_FUNC(PyObject *) PyObject_Format(PyObject *obj,
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@ -594,11 +370,6 @@ PyAPI_FUNC(PyObject *) PyObject_GetIter(PyObject *);
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This function always succeeds. */
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PyAPI_FUNC(int) PyIter_Check(PyObject *);
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#ifndef Py_LIMITED_API
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#define PyIter_Check(obj) \
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((obj)->ob_type->tp_iternext != NULL && \
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(obj)->ob_type->tp_iternext != &_PyObject_NextNotImplemented)
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#endif
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/* Takes an iterator object and calls its tp_iternext slot,
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returning the next value.
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@ -719,11 +490,6 @@ PyAPI_FUNC(PyObject *) PyNumber_Or(PyObject *o1, PyObject *o2);
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/* Returns 1 if obj is an index integer (has the nb_index slot of the
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tp_as_number structure filled in), and 0 otherwise. */
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PyAPI_FUNC(int) PyIndex_Check(PyObject *);
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#ifndef Py_LIMITED_API
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#define PyIndex_Check(obj) \
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((obj)->ob_type->tp_as_number != NULL && \
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(obj)->ob_type->tp_as_number->nb_index != NULL)
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#endif
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/* Returns the object 'o' converted to a Python int, or NULL with an exception
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raised on failure. */
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@ -930,13 +696,6 @@ PyAPI_FUNC(PyObject *) PySequence_Fast(PyObject *o, const char* m);
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#define PySequence_Fast_GET_ITEM(o, i)\
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(PyList_Check(o) ? PyList_GET_ITEM(o, i) : PyTuple_GET_ITEM(o, i))
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/* Assume tp_as_sequence and sq_item exist and that 'i' does not
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need to be corrected for a negative index. */
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#ifndef Py_LIMITED_API
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#define PySequence_ITEM(o, i)\
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( Py_TYPE(o)->tp_as_sequence->sq_item(o, i) )
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#endif
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/* Return a pointer to the underlying item array for
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an object retured by PySequence_Fast */
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#define PySequence_Fast_ITEMS(sf) \
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@ -956,27 +715,6 @@ PyAPI_FUNC(Py_ssize_t) PySequence_Count(PyObject *o, PyObject *value);
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Use __contains__ if possible, else _PySequence_IterSearch(). */
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PyAPI_FUNC(int) PySequence_Contains(PyObject *seq, PyObject *ob);
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#ifndef Py_LIMITED_API
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#define PY_ITERSEARCH_COUNT 1
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#define PY_ITERSEARCH_INDEX 2
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#define PY_ITERSEARCH_CONTAINS 3
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/* Iterate over seq.
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Result depends on the operation:
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PY_ITERSEARCH_COUNT: return # of times obj appears in seq; -1 if
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error.
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PY_ITERSEARCH_INDEX: return 0-based index of first occurrence of
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obj in seq; set ValueError and return -1 if none found;
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also return -1 on error.
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PY_ITERSEARCH_CONTAINS: return 1 if obj in seq, else 0; -1 on
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error. */
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PyAPI_FUNC(Py_ssize_t) _PySequence_IterSearch(PyObject *seq,
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PyObject *obj, int operation);
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#endif
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/* For DLL-level backwards compatibility */
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#undef PySequence_In
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/* Determine if the sequence 'o' contains 'value'. If an item in 'o' is equal
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@ -1095,26 +833,11 @@ PyAPI_FUNC(int) PyObject_IsInstance(PyObject *object, PyObject *typeorclass);
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/* issubclass(object, typeorclass) */
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PyAPI_FUNC(int) PyObject_IsSubclass(PyObject *object, PyObject *typeorclass);
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#ifndef Py_LIMITED_API
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PyAPI_FUNC(int) _PyObject_RealIsInstance(PyObject *inst, PyObject *cls);
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PyAPI_FUNC(int) _PyObject_RealIsSubclass(PyObject *derived, PyObject *cls);
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PyAPI_FUNC(char *const *) _PySequence_BytesToCharpArray(PyObject* self);
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PyAPI_FUNC(void) _Py_FreeCharPArray(char *const array[]);
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/* For internal use by buffer API functions */
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PyAPI_FUNC(void) _Py_add_one_to_index_F(int nd, Py_ssize_t *index,
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const Py_ssize_t *shape);
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PyAPI_FUNC(void) _Py_add_one_to_index_C(int nd, Py_ssize_t *index,
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const Py_ssize_t *shape);
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/* Convert Python int to Py_ssize_t. Do nothing if the argument is None. */
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PyAPI_FUNC(int) _Py_convert_optional_to_ssize_t(PyObject *, void *);
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#endif /* !Py_LIMITED_API */
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# define Py_CPYTHON_ABSTRACTOBJECT_H
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# include "cpython/abstract.h"
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# undef Py_CPYTHON_ABSTRACTOBJECT_H
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#endif
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#ifdef __cplusplus
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}
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@ -0,0 +1,281 @@
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#ifndef Py_CPYTHON_ABSTRACTOBJECT_H
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# error "this header file must not be included directly"
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* === Object Protocol ================================================== */
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#ifdef PY_SSIZE_T_CLEAN
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# define _PyObject_CallMethodId _PyObject_CallMethodId_SizeT
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#endif
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PyAPI_FUNC(PyObject*) _PyStack_AsTuple(
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PyObject *const *stack,
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Py_ssize_t nargs);
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PyAPI_FUNC(PyObject*) _PyStack_AsTupleSlice(
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PyObject *const *stack,
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Py_ssize_t nargs,
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Py_ssize_t start,
|
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Py_ssize_t end);
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|
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/* Convert keyword arguments from the FASTCALL (stack: C array, kwnames: tuple)
|
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format to a Python dictionary ("kwargs" dict).
|
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|
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The type of kwnames keys is not checked. The final function getting
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arguments is responsible to check if all keys are strings, for example using
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PyArg_ParseTupleAndKeywords() or PyArg_ValidateKeywordArguments().
|
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|
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Duplicate keys are merged using the last value. If duplicate keys must raise
|
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an exception, the caller is responsible to implement an explicit keys on
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kwnames. */
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PyAPI_FUNC(PyObject *) _PyStack_AsDict(
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PyObject *const *values,
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PyObject *kwnames);
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/* Convert (args, nargs, kwargs: dict) into a (stack, nargs, kwnames: tuple).
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||||
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Return 0 on success, raise an exception and return -1 on error.
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|
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Write the new stack into *p_stack. If *p_stack is differen than args, it
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must be released by PyMem_Free().
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|
||||
The stack uses borrowed references.
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|
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The type of keyword keys is not checked, these checks should be done
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later (ex: _PyArg_ParseStackAndKeywords). */
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PyAPI_FUNC(int) _PyStack_UnpackDict(
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PyObject *const *args,
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Py_ssize_t nargs,
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PyObject *kwargs,
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PyObject *const **p_stack,
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PyObject **p_kwnames);
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/* Suggested size (number of positional arguments) for arrays of PyObject*
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||||
allocated on a C stack to avoid allocating memory on the heap memory. Such
|
||||
array is used to pass positional arguments to call functions of the
|
||||
_PyObject_FastCall() family.
|
||||
|
||||
The size is chosen to not abuse the C stack and so limit the risk of stack
|
||||
overflow. The size is also chosen to allow using the small stack for most
|
||||
function calls of the Python standard library. On 64-bit CPU, it allocates
|
||||
40 bytes on the stack. */
|
||||
#define _PY_FASTCALL_SMALL_STACK 5
|
||||
|
||||
/* Return 1 if callable supports FASTCALL calling convention for positional
|
||||
arguments: see _PyObject_FastCallDict() and _PyObject_FastCallKeywords() */
|
||||
PyAPI_FUNC(int) _PyObject_HasFastCall(PyObject *callable);
|
||||
|
||||
/* Call the callable object 'callable' with the "fast call" calling convention:
|
||||
args is a C array for positional arguments (nargs is the number of
|
||||
positional arguments), kwargs is a dictionary for keyword arguments.
|
||||
|
||||
If nargs is equal to zero, args can be NULL. kwargs can be NULL.
|
||||
nargs must be greater or equal to zero.
|
||||
|
||||
Return the result on success. Raise an exception on return NULL on
|
||||
error. */
|
||||
PyAPI_FUNC(PyObject *) _PyObject_FastCallDict(
|
||||
PyObject *callable,
|
||||
PyObject *const *args,
|
||||
Py_ssize_t nargs,
|
||||
PyObject *kwargs);
|
||||
|
||||
/* Call the callable object 'callable' with the "fast call" calling convention:
|
||||
args is a C array for positional arguments followed by values of
|
||||
keyword arguments. Keys of keyword arguments are stored as a tuple
|
||||
of strings in kwnames. nargs is the number of positional parameters at
|
||||
the beginning of stack. The size of kwnames gives the number of keyword
|
||||
values in the stack after positional arguments.
|
||||
|
||||
kwnames must only contains str strings, no subclass, and all keys must
|
||||
be unique.
|
||||
|
||||
If nargs is equal to zero and there is no keyword argument (kwnames is
|
||||
NULL or its size is zero), args can be NULL.
|
||||
|
||||
Return the result on success. Raise an exception and return NULL on
|
||||
error. */
|
||||
PyAPI_FUNC(PyObject *) _PyObject_FastCallKeywords(
|
||||
PyObject *callable,
|
||||
PyObject *const *args,
|
||||
Py_ssize_t nargs,
|
||||
PyObject *kwnames);
|
||||
|
||||
#define _PyObject_FastCall(func, args, nargs) \
|
||||
_PyObject_FastCallDict((func), (args), (nargs), NULL)
|
||||
|
||||
#define _PyObject_CallNoArg(func) \
|
||||
_PyObject_FastCallDict((func), NULL, 0, NULL)
|
||||
|
||||
PyAPI_FUNC(PyObject *) _PyObject_Call_Prepend(
|
||||
PyObject *callable,
|
||||
PyObject *obj,
|
||||
PyObject *args,
|
||||
PyObject *kwargs);
|
||||
|
||||
PyAPI_FUNC(PyObject *) _PyObject_FastCall_Prepend(
|
||||
PyObject *callable,
|
||||
PyObject *obj,
|
||||
PyObject *const *args,
|
||||
Py_ssize_t nargs);
|
||||
|
||||
PyAPI_FUNC(PyObject *) _Py_CheckFunctionResult(PyObject *callable,
|
||||
PyObject *result,
|
||||
const char *where);
|
||||
|
||||
/* Like PyObject_CallMethod(), but expect a _Py_Identifier*
|
||||
as the method name. */
|
||||
PyAPI_FUNC(PyObject *) _PyObject_CallMethodId(PyObject *obj,
|
||||
_Py_Identifier *name,
|
||||
const char *format, ...);
|
||||
|
||||
PyAPI_FUNC(PyObject *) _PyObject_CallMethodId_SizeT(PyObject *obj,
|
||||
_Py_Identifier *name,
|
||||
const char *format,
|
||||
...);
|
||||
|
||||
PyAPI_FUNC(PyObject *) _PyObject_CallMethodIdObjArgs(
|
||||
PyObject *obj,
|
||||
struct _Py_Identifier *name,
|
||||
...);
|
||||
|
||||
PyAPI_FUNC(int) _PyObject_HasLen(PyObject *o);
|
||||
|
||||
/* Guess the size of object 'o' using len(o) or o.__length_hint__().
|
||||
If neither of those return a non-negative value, then return the default
|
||||
value. If one of the calls fails, this function returns -1. */
|
||||
PyAPI_FUNC(Py_ssize_t) PyObject_LengthHint(PyObject *o, Py_ssize_t);
|
||||
|
||||
/* === New Buffer API ============================================ */
|
||||
|
||||
/* Return 1 if the getbuffer function is available, otherwise return 0. */
|
||||
#define PyObject_CheckBuffer(obj) \
|
||||
(((obj)->ob_type->tp_as_buffer != NULL) && \
|
||||
((obj)->ob_type->tp_as_buffer->bf_getbuffer != NULL))
|
||||
|
||||
/* This is a C-API version of the getbuffer function call. It checks
|
||||
to make sure object has the required function pointer and issues the
|
||||
call.
|
||||
|
||||
Returns -1 and raises an error on failure and returns 0 on success. */
|
||||
PyAPI_FUNC(int) PyObject_GetBuffer(PyObject *obj, Py_buffer *view,
|
||||
int flags);
|
||||
|
||||
/* Get the memory area pointed to by the indices for the buffer given.
|
||||
Note that view->ndim is the assumed size of indices. */
|
||||
PyAPI_FUNC(void *) PyBuffer_GetPointer(Py_buffer *view, Py_ssize_t *indices);
|
||||
|
||||
/* Return the implied itemsize of the data-format area from a
|
||||
struct-style description. */
|
||||
PyAPI_FUNC(int) PyBuffer_SizeFromFormat(const char *);
|
||||
|
||||
/* Implementation in memoryobject.c */
|
||||
PyAPI_FUNC(int) PyBuffer_ToContiguous(void *buf, Py_buffer *view,
|
||||
Py_ssize_t len, char order);
|
||||
|
||||
PyAPI_FUNC(int) PyBuffer_FromContiguous(Py_buffer *view, void *buf,
|
||||
Py_ssize_t len, char order);
|
||||
|
||||
/* Copy len bytes of data from the contiguous chunk of memory
|
||||
pointed to by buf into the buffer exported by obj. Return
|
||||
0 on success and return -1 and raise a PyBuffer_Error on
|
||||
error (i.e. the object does not have a buffer interface or
|
||||
it is not working).
|
||||
|
||||
If fort is 'F', then if the object is multi-dimensional,
|
||||
then the data will be copied into the array in
|
||||
Fortran-style (first dimension varies the fastest). If
|
||||
fort is 'C', then the data will be copied into the array
|
||||
in C-style (last dimension varies the fastest). If fort
|
||||
is 'A', then it does not matter and the copy will be made
|
||||
in whatever way is more efficient. */
|
||||
PyAPI_FUNC(int) PyObject_CopyData(PyObject *dest, PyObject *src);
|
||||
|
||||
/* Copy the data from the src buffer to the buffer of destination. */
|
||||
PyAPI_FUNC(int) PyBuffer_IsContiguous(const Py_buffer *view, char fort);
|
||||
|
||||
/*Fill the strides array with byte-strides of a contiguous
|
||||
(Fortran-style if fort is 'F' or C-style otherwise)
|
||||
array of the given shape with the given number of bytes
|
||||
per element. */
|
||||
PyAPI_FUNC(void) PyBuffer_FillContiguousStrides(int ndims,
|
||||
Py_ssize_t *shape,
|
||||
Py_ssize_t *strides,
|
||||
int itemsize,
|
||||
char fort);
|
||||
|
||||
/* Fills in a buffer-info structure correctly for an exporter
|
||||
that can only share a contiguous chunk of memory of
|
||||
"unsigned bytes" of the given length.
|
||||
|
||||
Returns 0 on success and -1 (with raising an error) on error. */
|
||||
PyAPI_FUNC(int) PyBuffer_FillInfo(Py_buffer *view, PyObject *o, void *buf,
|
||||
Py_ssize_t len, int readonly,
|
||||
int flags);
|
||||
|
||||
/* Releases a Py_buffer obtained from getbuffer ParseTuple's "s*". */
|
||||
PyAPI_FUNC(void) PyBuffer_Release(Py_buffer *view);
|
||||
|
||||
/* ==== Iterators ================================================ */
|
||||
|
||||
#define PyIter_Check(obj) \
|
||||
((obj)->ob_type->tp_iternext != NULL && \
|
||||
(obj)->ob_type->tp_iternext != &_PyObject_NextNotImplemented)
|
||||
|
||||
/* === Number Protocol ================================================== */
|
||||
|
||||
#define PyIndex_Check(obj) \
|
||||
((obj)->ob_type->tp_as_number != NULL && \
|
||||
(obj)->ob_type->tp_as_number->nb_index != NULL)
|
||||
|
||||
/* === Sequence protocol ================================================ */
|
||||
|
||||
/* Assume tp_as_sequence and sq_item exist and that 'i' does not
|
||||
need to be corrected for a negative index. */
|
||||
#define PySequence_ITEM(o, i)\
|
||||
( Py_TYPE(o)->tp_as_sequence->sq_item(o, i) )
|
||||
|
||||
#define PY_ITERSEARCH_COUNT 1
|
||||
#define PY_ITERSEARCH_INDEX 2
|
||||
#define PY_ITERSEARCH_CONTAINS 3
|
||||
|
||||
/* Iterate over seq.
|
||||
|
||||
Result depends on the operation:
|
||||
|
||||
PY_ITERSEARCH_COUNT: return # of times obj appears in seq; -1 if
|
||||
error.
|
||||
PY_ITERSEARCH_INDEX: return 0-based index of first occurrence of
|
||||
obj in seq; set ValueError and return -1 if none found;
|
||||
also return -1 on error.
|
||||
PY_ITERSEARCH_CONTAINS: return 1 if obj in seq, else 0; -1 on
|
||||
error. */
|
||||
PyAPI_FUNC(Py_ssize_t) _PySequence_IterSearch(PyObject *seq,
|
||||
PyObject *obj, int operation);
|
||||
|
||||
/* === Mapping protocol ================================================= */
|
||||
|
||||
PyAPI_FUNC(int) _PyObject_RealIsInstance(PyObject *inst, PyObject *cls);
|
||||
|
||||
PyAPI_FUNC(int) _PyObject_RealIsSubclass(PyObject *derived, PyObject *cls);
|
||||
|
||||
PyAPI_FUNC(char *const *) _PySequence_BytesToCharpArray(PyObject* self);
|
||||
|
||||
PyAPI_FUNC(void) _Py_FreeCharPArray(char *const array[]);
|
||||
|
||||
/* For internal use by buffer API functions */
|
||||
PyAPI_FUNC(void) _Py_add_one_to_index_F(int nd, Py_ssize_t *index,
|
||||
const Py_ssize_t *shape);
|
||||
PyAPI_FUNC(void) _Py_add_one_to_index_C(int nd, Py_ssize_t *index,
|
||||
const Py_ssize_t *shape);
|
||||
|
||||
/* Convert Python int to Py_ssize_t. Do nothing if the argument is None. */
|
||||
PyAPI_FUNC(int) _Py_convert_optional_to_ssize_t(PyObject *, void *);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
Loading…
Reference in New Issue