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#ifndef Py_INTERNAL_ASDL_H
#define Py_INTERNAL_ASDL_H
#ifdef __cplusplus
extern "C" {
#endif
#ifndef Py_BUILD_CORE
# error "this header requires Py_BUILD_CORE define"
#endif
#include "pycore_pyarena.h" // _PyArena_Malloc()
typedef PyObject * identifier;
typedef PyObject * string;
typedef PyObject * object;
typedef PyObject * constant;
/* It would be nice if the code generated by asdl_c.py was completely
independent of Python, but it is a goal the requires too much work
at this stage. So, for example, I'll represent identifiers as
interned Python strings.
*/
#define _ASDL_SEQ_HEAD \
Py_ssize_t size; \
void **elements;
typedef struct {
_ASDL_SEQ_HEAD
} asdl_seq;
typedef struct {
_ASDL_SEQ_HEAD
void *typed_elements[1];
} asdl_generic_seq;
typedef struct {
_ASDL_SEQ_HEAD
PyObject *typed_elements[1];
} asdl_identifier_seq;
typedef struct {
_ASDL_SEQ_HEAD
int typed_elements[1];
} asdl_int_seq;
asdl_generic_seq *_Py_asdl_generic_seq_new(Py_ssize_t size, PyArena *arena);
asdl_identifier_seq *_Py_asdl_identifier_seq_new(Py_ssize_t size, PyArena *arena);
asdl_int_seq *_Py_asdl_int_seq_new(Py_ssize_t size, PyArena *arena);
#define GENERATE_ASDL_SEQ_CONSTRUCTOR(NAME, TYPE) \
asdl_ ## NAME ## _seq *_Py_asdl_ ## NAME ## _seq_new(Py_ssize_t size, PyArena *arena) \
{ \
asdl_ ## NAME ## _seq *seq = NULL; \
size_t n; \
/* check size is sane */ \
if (size < 0 || \
(size && (((size_t)size - 1) > (SIZE_MAX / sizeof(void *))))) { \
PyErr_NoMemory(); \
return NULL; \
} \
n = (size ? (sizeof(TYPE *) * (size - 1)) : 0); \
/* check if size can be added safely */ \
if (n > SIZE_MAX - sizeof(asdl_ ## NAME ## _seq)) { \
PyErr_NoMemory(); \
return NULL; \
} \
n += sizeof(asdl_ ## NAME ## _seq); \
seq = (asdl_ ## NAME ## _seq *)_PyArena_Malloc(arena, n); \
if (!seq) { \
PyErr_NoMemory(); \
return NULL; \
} \
memset(seq, 0, n); \
seq->size = size; \
seq->elements = (void**)seq->typed_elements; \
return seq; \
}
#define asdl_seq_GET_UNTYPED(S, I) _Py_RVALUE((S)->elements[(I)])
#define asdl_seq_GET(S, I) _Py_RVALUE((S)->typed_elements[(I)])
#define asdl_seq_LEN(S) _Py_RVALUE(((S) == NULL ? 0 : (S)->size))
#ifdef Py_DEBUG
# define asdl_seq_SET(S, I, V) \
do { \
Py_ssize_t _asdl_i = (I); \
assert((S) != NULL); \
assert(0 <= _asdl_i && _asdl_i < (S)->size); \
(S)->typed_elements[_asdl_i] = (V); \
} while (0)
#else
# define asdl_seq_SET(S, I, V) _Py_RVALUE((S)->typed_elements[I] = (V))
#endif
#ifdef Py_DEBUG
# define asdl_seq_SET_UNTYPED(S, I, V) \
do { \
Py_ssize_t _asdl_i = (I); \
assert((S) != NULL); \
assert(0 <= _asdl_i && _asdl_i < (S)->size); \
(S)->elements[_asdl_i] = (V); \
} while (0)
#else
# define asdl_seq_SET_UNTYPED(S, I, V) _Py_RVALUE((S)->elements[I] = (V))
#endif
#ifdef __cplusplus
}
#endif
#endif /* !Py_INTERNAL_ASDL_H */