1 #ifndef Py_ASDL_H

     2 #define Py_ASDL_H

     3 

     4 typedef PyObject * identifier;

     5 typedef PyObject * string;

     6 typedef PyObject * object;

     7 

     8 #ifndef __cplusplus

     9 typedef enum {false, true} bool;

    10 #endif

    11 

    12 /* It would be nice if the code generated by asdl_c.py was completely

    13    independent of Python, but it is a goal the requires too much work

    14    at this stage.  So, for example, I'll represent identifiers as

    15    interned Python strings.

    16 */

    17 

    18 /* XXX A sequence should be typed so that its use can be typechecked. */

    19 

    20 typedef struct {

    21     int size;

    22     void *elements[1];

    23 } asdl_seq;

    24 

    25 typedef struct {

    26     int size;

    27     int elements[1];

    28 } asdl_int_seq;

    29 

    30 asdl_seq *asdl_seq_new(int size, PyArena *arena);

    31 asdl_int_seq *asdl_int_seq_new(int size, PyArena *arena);

    32 

    33 #define asdl_seq_GET(S, I) (S)->elements[(I)]

    34 #define asdl_seq_LEN(S) ((S) == NULL ? 0 : (S)->size)

    35 #ifdef Py_DEBUG

    36 #define asdl_seq_SET(S, I, V) { \

    37         int _asdl_i = (I); \

    38         assert((S) && _asdl_i < (S)->size); \

    39         (S)->elements[_asdl_i] = (V); \

    40 }

    41 #else

    42 #define asdl_seq_SET(S, I, V) (S)->elements[I] = (V)

    43 #endif

    44 

    45 #endif /* !Py_ASDL_H */