Green shading in the line number column means the source is part of the translation unit, red means it is conditionally excluded. Highlighted line numbers link to the translation unit page. Highlighted macros link to the macro page.
1: /* Memory view object. In Python this is available as "memoryview". */ 2: 3: #ifndef Py_MEMORYOBJECT_H 4: #define Py_MEMORYOBJECT_H 5: #ifdef __cplusplus 6: extern "C" { 7: #endif 8: 9: #ifndef Py_LIMITED_API 10: PyAPI_DATA(PyTypeObject) _PyManagedBuffer_Type; 11: #endif 12: PyAPI_DATA(PyTypeObject) PyMemoryView_Type; 13: 14: #define PyMemoryView_Check(op) (Py_TYPE(op) == &PyMemoryView_Type) 15: 16: #ifndef Py_LIMITED_API 17: /* Get a pointer to the memoryview's private copy of the exporter's buffer. */ 18: #define PyMemoryView_GET_BUFFER(op) (&((PyMemoryViewObject *)(op))->view) 19: /* Get a pointer to the exporting object (this may be NULL!). */ 20: #define PyMemoryView_GET_BASE(op) (((PyMemoryViewObject *)(op))->view.obj) 21: #endif 22: 23: PyAPI_FUNC(PyObject *) PyMemoryView_FromObject(PyObject *base); 24: #if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 >= 0x03030000 25: PyAPI_FUNC(PyObject *) PyMemoryView_FromMemory(char *mem, Py_ssize_t size, 26: int flags); 27: #endif 28: #ifndef Py_LIMITED_API 29: PyAPI_FUNC(PyObject *) PyMemoryView_FromBuffer(Py_buffer *info); 30: #endif 31: PyAPI_FUNC(PyObject *) PyMemoryView_GetContiguous(PyObject *base, 32: int buffertype, 33: char order); 34: 35: 36: /* The structs are declared here so that macros can work, but they shouldn't 37: be considered public. Don't access their fields directly, use the macros 38: and functions instead! */ 39: #ifndef Py_LIMITED_API 40: #define _Py_MANAGED_BUFFER_RELEASED 0x001 /* access to exporter blocked */ 41: #define _Py_MANAGED_BUFFER_FREE_FORMAT 0x002 /* free format */ 42: typedef struct { 43: PyObject_HEAD 44: int flags; /* state flags */ 45: Py_ssize_t exports; /* number of direct memoryview exports */ 46: Py_buffer master; /* snapshot buffer obtained from the original exporter */ 47: } _PyManagedBufferObject; 48: 49: 50: /* memoryview state flags */ 51: #define _Py_MEMORYVIEW_RELEASED 0x001 /* access to master buffer blocked */ 52: #define _Py_MEMORYVIEW_C 0x002 /* C-contiguous layout */ 53: #define _Py_MEMORYVIEW_FORTRAN 0x004 /* Fortran contiguous layout */ 54: #define _Py_MEMORYVIEW_SCALAR 0x008 /* scalar: ndim = 0 */ 55: #define _Py_MEMORYVIEW_PIL 0x010 /* PIL-style layout */ 56: 57: typedef struct { 58: PyObject_VAR_HEAD 59: _PyManagedBufferObject *mbuf; /* managed buffer */ 60: Py_hash_t hash; /* hash value for read-only views */ 61: int flags; /* state flags */ 62: Py_ssize_t exports; /* number of buffer re-exports */ 63: Py_buffer view; /* private copy of the exporter's view */ 64: PyObject *weakreflist; 65: Py_ssize_t ob_array[1]; /* shape, strides, suboffsets */ 66: } PyMemoryViewObject; 67: #endif 68: 69: #ifdef __cplusplus 70: } 71: #endif 72: #endif /* !Py_MEMORYOBJECT_H */ 73: