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