#ifndef Py_ASDL_H#define Py_ASDL_H typedef PyObject * identifier;typedef PyObject * string;typedef PyObject * object; #ifndef __cplusplustypedef enum {false, true} bool;#endif /* 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.*/ /* XXX A sequence should be typed so that its use can be typechecked. */ typedef struct {    int size;    void *elements[1];} asdl_seq; typedef struct {    int size;    int elements[1];} asdl_int_seq; asdl_seq *asdl_seq_new(int size, PyArena *arena);asdl_int_seq *asdl_int_seq_new(int size, PyArena *arena); #define asdl_seq_GET(S, I) (S)->elements[(I)]#define asdl_seq_LEN(S) ((S) == NULL ? 0 : (S)->size)#ifdef Py_DEBUG#define asdl_seq_SET(S, I, V) { \        int _asdl_i = (I); \        assert((S) && _asdl_i < (S)->size); \        (S)->elements[_asdl_i] = (V); \}#else#define asdl_seq_SET(S, I, V) (S)->elements[I] = (V)#endif #endif /* !Py_ASDL_H */