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gh-89653: PEP 670: Macros always cast arguments in cpython/ (#93766)

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Header files in the Include/cpython/ are only included if
the Py_LIMITED_API macro is not defined.
This commit is contained in:
Victor Stinner 2022-06-13 20:09:40 +02:00 committed by GitHub
parent c2007573dd
commit df22eec421
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GPG key ID: 4AEE18F83AFDEB23
9 changed files with 28 additions and 92 deletions
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8
Include/cpython/bytearrayobject.h
View file

@ -25,14 +25,10 @@ static inline char* PyByteArray_AS_STRING(PyObject *op)
}
return _PyByteArray_empty_string;
}
#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 < 0x030b0000
# define PyByteArray_AS_STRING(self) PyByteArray_AS_STRING(_PyObject_CAST(self))
#endif
#define PyByteArray_AS_STRING(self) PyByteArray_AS_STRING(_PyObject_CAST(self))
static inline Py_ssize_t PyByteArray_GET_SIZE(PyObject *op) {
PyByteArrayObject *self = _PyByteArray_CAST(op);
return Py_SIZE(self);
}
#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 < 0x030b0000
# define PyByteArray_GET_SIZE(self) PyByteArray_GET_SIZE(_PyObject_CAST(self))
#endif
#define PyByteArray_GET_SIZE(self) PyByteArray_GET_SIZE(_PyObject_CAST(self))

8
Include/cpython/bytesobject.h
View file

@ -36,17 +36,13 @@ static inline char* PyBytes_AS_STRING(PyObject *op)
{
return _PyBytes_CAST(op)->ob_sval;
}
#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 < 0x030b0000
# define PyBytes_AS_STRING(op) PyBytes_AS_STRING(_PyObject_CAST(op))
#endif
#define PyBytes_AS_STRING(op) PyBytes_AS_STRING(_PyObject_CAST(op))
static inline Py_ssize_t PyBytes_GET_SIZE(PyObject *op) {
PyBytesObject *self = _PyBytes_CAST(op);
return Py_SIZE(self);
}
#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 < 0x030b0000
# define PyBytes_GET_SIZE(self) PyBytes_GET_SIZE(_PyObject_CAST(self))
#endif
#define PyBytes_GET_SIZE(self) PyBytes_GET_SIZE(_PyObject_CAST(self))
/* _PyBytes_Join(sep, x) is like sep.join(x). sep must be PyBytesObject*,
x must be an iterable object. */

8
Include/cpython/cellobject.h
View file

@ -27,9 +27,7 @@ static inline PyObject* PyCell_GET(PyObject *op) {
cell = _Py_CAST(PyCellObject*, op);
return cell->ob_ref;
}
#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 < 0x030c0000
# define PyCell_GET(op) PyCell_GET(_PyObject_CAST(op))
#endif
#define PyCell_GET(op) PyCell_GET(_PyObject_CAST(op))
static inline void PyCell_SET(PyObject *op, PyObject *value) {
PyCellObject *cell;
@ -37,9 +35,7 @@ static inline void PyCell_SET(PyObject *op, PyObject *value) {
cell = _Py_CAST(PyCellObject*, op);
cell->ob_ref = value;
}
#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 < 0x030c0000
# define PyCell_SET(op, value) PyCell_SET(_PyObject_CAST(op), (value))
#endif
#define PyCell_SET(op, value) PyCell_SET(_PyObject_CAST(op), (value))
#ifdef __cplusplus
}

4
Include/cpython/dictobject.h
View file

@ -52,9 +52,7 @@ static inline Py_ssize_t PyDict_GET_SIZE(PyObject *op) {
mp = _Py_CAST(PyDictObject*, op);
return mp->ma_used;
}
#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 < 0x030c0000
# define PyDict_GET_SIZE(op) PyDict_GET_SIZE(_PyObject_CAST(op))
#endif
#define PyDict_GET_SIZE(op) PyDict_GET_SIZE(_PyObject_CAST(op))
PyAPI_FUNC(int) _PyDict_Contains_KnownHash(PyObject *, PyObject *, Py_hash_t);
PyAPI_FUNC(int) _PyDict_ContainsId(PyObject *, _Py_Identifier *);

6
Include/cpython/listobject.h
View file

@ -34,9 +34,7 @@ static inline Py_ssize_t PyList_GET_SIZE(PyObject *op) {
PyListObject *list = _PyList_CAST(op);
return Py_SIZE(list);
}
#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 < 0x030b0000
# define PyList_GET_SIZE(op) PyList_GET_SIZE(_PyObject_CAST(op))
#endif
#define PyList_GET_SIZE(op) PyList_GET_SIZE(_PyObject_CAST(op))
#define PyList_GET_ITEM(op, index) (_PyList_CAST(op)->ob_item[index])
@ -45,7 +43,5 @@ PyList_SET_ITEM(PyObject *op, Py_ssize_t index, PyObject *value) {
PyListObject *list = _PyList_CAST(op);
list->ob_item[index] = value;
}
#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 < 0x030b0000
#define PyList_SET_ITEM(op, index, value) \
PyList_SET_ITEM(_PyObject_CAST(op), index, _PyObject_CAST(value))
#endif

16
Include/cpython/methodobject.h
View file

@ -40,9 +40,7 @@ PyAPI_DATA(PyTypeObject) PyCMethod_Type;
static inline PyCFunction PyCFunction_GET_FUNCTION(PyObject *func) {
return _PyCFunctionObject_CAST(func)->m_ml->ml_meth;
}
#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 < 0x030b0000
# define PyCFunction_GET_FUNCTION(func) PyCFunction_GET_FUNCTION(_PyObject_CAST(func))
#endif
#define PyCFunction_GET_FUNCTION(func) PyCFunction_GET_FUNCTION(_PyObject_CAST(func))
static inline PyObject* PyCFunction_GET_SELF(PyObject *func_obj) {
PyCFunctionObject *func = _PyCFunctionObject_CAST(func_obj);
@ -51,16 +49,12 @@ static inline PyObject* PyCFunction_GET_SELF(PyObject *func_obj) {
}
return func->m_self;
}
#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 < 0x030b0000
# define PyCFunction_GET_SELF(func) PyCFunction_GET_SELF(_PyObject_CAST(func))
#endif
#define PyCFunction_GET_SELF(func) PyCFunction_GET_SELF(_PyObject_CAST(func))
static inline int PyCFunction_GET_FLAGS(PyObject *func) {
return _PyCFunctionObject_CAST(func)->m_ml->ml_flags;
}
#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 < 0x030b0000
# define PyCFunction_GET_FLAGS(func) PyCFunction_GET_FLAGS(_PyObject_CAST(func))
#endif
#define PyCFunction_GET_FLAGS(func) PyCFunction_GET_FLAGS(_PyObject_CAST(func))
static inline PyTypeObject* PyCFunction_GET_CLASS(PyObject *func_obj) {
PyCFunctionObject *func = _PyCFunctionObject_CAST(func_obj);
@ -69,6 +63,4 @@ static inline PyTypeObject* PyCFunction_GET_CLASS(PyObject *func_obj) {
}
return _Py_NULL;
}
#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 < 0x030b0000
# define PyCFunction_GET_CLASS(func) PyCFunction_GET_CLASS(_PyObject_CAST(func))
#endif
#define PyCFunction_GET_CLASS(func) PyCFunction_GET_CLASS(_PyObject_CAST(func))

6
Include/cpython/tupleobject.h
View file

@ -23,9 +23,7 @@ static inline Py_ssize_t PyTuple_GET_SIZE(PyObject *op) {
PyTupleObject *tuple = _PyTuple_CAST(op);
return Py_SIZE(tuple);
}
#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 < 0x030b0000
# define PyTuple_GET_SIZE(op) PyTuple_GET_SIZE(_PyObject_CAST(op))
#endif
#define PyTuple_GET_SIZE(op) PyTuple_GET_SIZE(_PyObject_CAST(op))
#define PyTuple_GET_ITEM(op, index) (_PyTuple_CAST(op)->ob_item[index])
@ -35,9 +33,7 @@ PyTuple_SET_ITEM(PyObject *op, Py_ssize_t index, PyObject *value) {
PyTupleObject *tuple = _PyTuple_CAST(op);
tuple->ob_item[index] = value;
}
#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 < 0x030b0000
#define PyTuple_SET_ITEM(op, index, value) \
PyTuple_SET_ITEM(_PyObject_CAST(op), index, _PyObject_CAST(value))
#endif
PyAPI_FUNC(void) _PyTuple_DebugMallocStats(FILE *out);

60
Include/cpython/unicodeobject.h
View file

@ -188,17 +188,13 @@ PyAPI_FUNC(int) _PyUnicode_CheckConsistency(
static inline unsigned int PyUnicode_CHECK_INTERNED(PyObject *op) {
return _PyASCIIObject_CAST(op)->state.interned;
}
#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 < 0x030b0000
# define PyUnicode_CHECK_INTERNED(op) PyUnicode_CHECK_INTERNED(_PyObject_CAST(op))
#endif
#define PyUnicode_CHECK_INTERNED(op) PyUnicode_CHECK_INTERNED(_PyObject_CAST(op))
/* For backward compatibility */
static inline unsigned int PyUnicode_IS_READY(PyObject* Py_UNUSED(op)) {
return 1;
}
#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 < 0x030b0000
# define PyUnicode_IS_READY(op) PyUnicode_IS_READY(_PyObject_CAST(op))
#endif
#define PyUnicode_IS_READY(op) PyUnicode_IS_READY(_PyObject_CAST(op))
/* Return true if the string contains only ASCII characters, or 0 if not. The
string may be compact (PyUnicode_IS_COMPACT_ASCII) or not, but must be
@ -206,27 +202,21 @@ static inline unsigned int PyUnicode_IS_READY(PyObject* Py_UNUSED(op)) {
static inline unsigned int PyUnicode_IS_ASCII(PyObject *op) {
return _PyASCIIObject_CAST(op)->state.ascii;
}
#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 < 0x030b0000
# define PyUnicode_IS_ASCII(op) PyUnicode_IS_ASCII(_PyObject_CAST(op))
#endif
#define PyUnicode_IS_ASCII(op) PyUnicode_IS_ASCII(_PyObject_CAST(op))
/* Return true if the string is compact or 0 if not.
No type checks or Ready calls are performed. */
static inline unsigned int PyUnicode_IS_COMPACT(PyObject *op) {
return _PyASCIIObject_CAST(op)->state.compact;
}
#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 < 0x030b0000
# define PyUnicode_IS_COMPACT(op) PyUnicode_IS_COMPACT(_PyObject_CAST(op))
#endif
#define PyUnicode_IS_COMPACT(op) PyUnicode_IS_COMPACT(_PyObject_CAST(op))
/* Return true if the string is a compact ASCII string (use PyASCIIObject
structure), or 0 if not. No type checks or Ready calls are performed. */
static inline int PyUnicode_IS_COMPACT_ASCII(PyObject *op) {
return (_PyASCIIObject_CAST(op)->state.ascii && PyUnicode_IS_COMPACT(op));
}
#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 < 0x030b0000
# define PyUnicode_IS_COMPACT_ASCII(op) PyUnicode_IS_COMPACT_ASCII(_PyObject_CAST(op))
#endif
#define PyUnicode_IS_COMPACT_ASCII(op) PyUnicode_IS_COMPACT_ASCII(_PyObject_CAST(op))
enum PyUnicode_Kind {
/* Return values of the PyUnicode_KIND() function: */
@ -236,22 +226,14 @@ enum PyUnicode_Kind {
};
// PyUnicode_KIND(): Return one of the PyUnicode_*_KIND values defined above.
#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 < 0x030c0000
//
// gh-89653: Converting this macro to a static inline function would introduce
// new compiler warnings on "kind < PyUnicode_KIND(str)" (compare signed and
// unsigned numbers) where kind type is an int or on
// "unsigned int kind = PyUnicode_KIND(str)" (cast signed to unsigned).
// Only declare the function as static inline function in the limited C API
// version 3.12 which is stricter.
#define PyUnicode_KIND(op) \
(_PyASCIIObject_CAST(op)->state.kind)
#else
// Limited C API 3.12 and newer
static inline int PyUnicode_KIND(PyObject *op) {
assert(PyUnicode_IS_READY(op));
return _PyASCIIObject_CAST(op)->state.kind;
}
#endif
#define PyUnicode_KIND(op) (_PyASCIIObject_CAST(op)->state.kind)
/* Return a void pointer to the raw unicode buffer. */
static inline void* _PyUnicode_COMPACT_DATA(PyObject *op) {
@ -275,9 +257,7 @@ static inline void* PyUnicode_DATA(PyObject *op) {
}
return _PyUnicode_NONCOMPACT_DATA(op);
}
#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 < 0x030b0000
# define PyUnicode_DATA(op) PyUnicode_DATA(_PyObject_CAST(op))
#endif
#define PyUnicode_DATA(op) PyUnicode_DATA(_PyObject_CAST(op))
/* Return pointers to the canonical representation cast to unsigned char,
Py_UCS2, or Py_UCS4 for direct character access.
@ -292,9 +272,7 @@ static inline void* PyUnicode_DATA(PyObject *op) {
static inline Py_ssize_t PyUnicode_GET_LENGTH(PyObject *op) {
return _PyASCIIObject_CAST(op)->length;
}
#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 < 0x030b0000
# define PyUnicode_GET_LENGTH(op) PyUnicode_GET_LENGTH(_PyObject_CAST(op))
#endif
#define PyUnicode_GET_LENGTH(op) PyUnicode_GET_LENGTH(_PyObject_CAST(op))
/* Write into the canonical representation, this function does not do any sanity
checks and is intended for usage in loops. The caller should cache the
@ -319,11 +297,9 @@ static inline void PyUnicode_WRITE(int kind, void *data,
_Py_STATIC_CAST(Py_UCS4*, data)[index] = value;
}
}
#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 < 0x030b0000
#define PyUnicode_WRITE(kind, data, index, value) \
PyUnicode_WRITE(_Py_STATIC_CAST(int, kind), _Py_CAST(void*, data), \
(index), _Py_STATIC_CAST(Py_UCS4, value))
#endif
/* Read a code point from the string's canonical representation. No checks
or ready calls are performed. */
@ -340,12 +316,10 @@ static inline Py_UCS4 PyUnicode_READ(int kind,
assert(kind == PyUnicode_4BYTE_KIND);
return _Py_STATIC_CAST(const Py_UCS4*, data)[index];
}
#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 < 0x030b0000
#define PyUnicode_READ(kind, data, index) \
PyUnicode_READ(_Py_STATIC_CAST(int, kind), \
_Py_STATIC_CAST(const void*, data), \
(index))
#endif
/* PyUnicode_READ_CHAR() is less efficient than PyUnicode_READ() because it
calls PyUnicode_KIND() and might call it twice. For single reads, use
@ -369,10 +343,8 @@ static inline Py_UCS4 PyUnicode_READ_CHAR(PyObject *unicode, Py_ssize_t index)
assert(kind == PyUnicode_4BYTE_KIND);
return PyUnicode_4BYTE_DATA(unicode)[index];
}
#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 < 0x030b0000
# define PyUnicode_READ_CHAR(unicode, index) \
PyUnicode_READ_CHAR(_PyObject_CAST(unicode), (index))
#endif
#define PyUnicode_READ_CHAR(unicode, index) \
PyUnicode_READ_CHAR(_PyObject_CAST(unicode), (index))
/* Return a maximum character value which is suitable for creating another
string based on op. This is always an approximation but more efficient
@ -395,10 +367,8 @@ static inline Py_UCS4 PyUnicode_MAX_CHAR_VALUE(PyObject *op)
assert(kind == PyUnicode_4BYTE_KIND);
return 0x10ffffU;
}
#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 < 0x030b0000
# define PyUnicode_MAX_CHAR_VALUE(op) \
PyUnicode_MAX_CHAR_VALUE(_PyObject_CAST(op))
#endif
#define PyUnicode_MAX_CHAR_VALUE(op) \
PyUnicode_MAX_CHAR_VALUE(_PyObject_CAST(op))
/* === Public API ========================================================= */
@ -417,9 +387,7 @@ static inline int PyUnicode_READY(PyObject* Py_UNUSED(op))
{
return 0;
}
#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 < 0x030b0000
# define PyUnicode_READY(op) PyUnicode_READY(_PyObject_CAST(op))
#endif
#define PyUnicode_READY(op) PyUnicode_READY(_PyObject_CAST(op))
/* Get a copy of a Unicode string. */
PyAPI_FUNC(PyObject*) _PyUnicode_Copy(

4
Include/cpython/weakrefobject.h
View file

@ -53,6 +53,4 @@ static inline PyObject* PyWeakref_GET_OBJECT(PyObject *ref_obj) {
}
return Py_None;
}
#if !defined(Py_LIMITED_API) || Py_LIMITED_API+0 < 0x030b0000
# define PyWeakref_GET_OBJECT(ref) PyWeakref_GET_OBJECT(_PyObject_CAST(ref))
#endif
#define PyWeakref_GET_OBJECT(ref) PyWeakref_GET_OBJECT(_PyObject_CAST(ref))