codekingpro/portable-devtools

1#ifndef Py_CPYTHON_MEMORYOBJECT_H2#  error "this header file must not be included directly"3#endif4 5/* The structs are declared here so that macros can work, but they shouldn't6   be considered public. Don't access their fields directly, use the macros7   and functions instead! */8#define _Py_MANAGED_BUFFER_RELEASED    0x001  /* access to exporter blocked */9#define _Py_MANAGED_BUFFER_FREE_FORMAT 0x002  /* free format */10 11typedef struct {12    PyObject_HEAD13    int flags;          /* state flags */14    Py_ssize_t exports; /* number of direct memoryview exports */15    Py_buffer master; /* snapshot buffer obtained from the original exporter */16} _PyManagedBufferObject;17 18 19/* memoryview state flags */20#define _Py_MEMORYVIEW_RELEASED    0x001  /* access to master buffer blocked */21#define _Py_MEMORYVIEW_C           0x002  /* C-contiguous layout */22#define _Py_MEMORYVIEW_FORTRAN     0x004  /* Fortran contiguous layout */23#define _Py_MEMORYVIEW_SCALAR      0x008  /* scalar: ndim = 0 */24#define _Py_MEMORYVIEW_PIL         0x010  /* PIL-style layout */25#define _Py_MEMORYVIEW_RESTRICTED  0x020  /* Disallow new references to the memoryview's buffer */26 27typedef struct {28    PyObject_VAR_HEAD29    _PyManagedBufferObject *mbuf; /* managed buffer */30    Py_hash_t hash;               /* hash value for read-only views */31    int flags;                    /* state flags */32    Py_ssize_t exports;           /* number of buffer re-exports */33    Py_buffer view;               /* private copy of the exporter's view */34    PyObject *weakreflist;35    Py_ssize_t ob_array[1];       /* shape, strides, suboffsets */36} PyMemoryViewObject;37 38#define _PyMemoryView_CAST(op) _Py_CAST(PyMemoryViewObject*, op)39 40/* Get a pointer to the memoryview's private copy of the exporter's buffer. */41static inline Py_buffer* PyMemoryView_GET_BUFFER(PyObject *op) {42    return (&_PyMemoryView_CAST(op)->view);43}44#define PyMemoryView_GET_BUFFER(op) PyMemoryView_GET_BUFFER(_PyObject_CAST(op))45 46/* Get a pointer to the exporting object (this may be NULL!). */47static inline PyObject* PyMemoryView_GET_BASE(PyObject *op) {48    return _PyMemoryView_CAST(op)->view.obj;49}50#define PyMemoryView_GET_BASE(op) PyMemoryView_GET_BASE(_PyObject_CAST(op))51