Include/asdl.h

   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 */