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1 #ifndef Py_LIMITED_API
2 #ifndef Py_ASDL_H
3 #define Py_ASDL_H
4 
5 typedef PyObject * identifier;
6 typedef PyObject * string;
7 typedef PyObject * object;
8 typedef PyObject * constant;
9 
10 /* It would be nice if the code generated by asdl_c.py was completely
11    independent of Python, but it is a goal the requires too much work
12    at this stage.  So, for example, I'll represent identifiers as
13    interned Python strings.
14 */
15 
16 /* XXX A sequence should be typed so that its use can be typechecked. */
17 
18 typedef struct {
19     Py_ssize_t size;
20     void *elements[1];
21 } asdl_seq;
22 
23 typedef struct {
24     Py_ssize_t size;
25     int elements[1];
26 } asdl_int_seq;
27 
28 asdl_seq *_Py_asdl_seq_new(Py_ssize_t size, PyArena *arena);
29 asdl_int_seq *_Py_asdl_int_seq_new(Py_ssize_t size, PyArena *arena);
30 
31 #define asdl_seq_GET(S, I) (S)->elements[(I)]
32 #define asdl_seq_LEN(S) ((S) == NULL ? 0 : (S)->size)
33 #ifdef Py_DEBUG
34 #define asdl_seq_SET(S, I, V) \
35     do { \
36         Py_ssize_t _asdl_i = (I); \
37         assert((S) != NULL); \
38         assert(0 <= _asdl_i && _asdl_i < (S)->size); \
39         (S)->elements[_asdl_i] = (V); \
40     } while (0)
41 #else
42 #define asdl_seq_SET(S, I, V) (S)->elements[I] = (V)
43 #endif
44 
45 #endif /* !Py_ASDL_H */
46 #endif /* Py_LIMITED_API */
47