mirror of
https://github.com/python/cpython.git
synced 2024-11-24 02:15:30 +08:00
41 lines
890 B
C
41 lines
890 B
C
|
|
/* Parse tree node interface */
|
|
|
|
#ifndef Py_NODE_H
|
|
#define Py_NODE_H
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
typedef struct _node {
|
|
short n_type;
|
|
char *n_str;
|
|
int n_lineno;
|
|
int n_col_offset;
|
|
int n_nchildren;
|
|
struct _node *n_child;
|
|
} node;
|
|
|
|
PyAPI_FUNC(node *) PyNode_New(int type);
|
|
PyAPI_FUNC(int) PyNode_AddChild(node *n, int type,
|
|
char *str, int lineno, int col_offset);
|
|
PyAPI_FUNC(void) PyNode_Free(node *n);
|
|
|
|
/* Node access functions */
|
|
#define NCH(n) ((n)->n_nchildren)
|
|
|
|
#define CHILD(n, i) (&(n)->n_child[i])
|
|
#define RCHILD(n, i) (CHILD(n, NCH(n) + i))
|
|
#define TYPE(n) ((n)->n_type)
|
|
#define STR(n) ((n)->n_str)
|
|
|
|
/* Assert that the type of a node is what we expect */
|
|
#define REQ(n, type) assert(TYPE(n) == (type))
|
|
|
|
PyAPI_FUNC(void) PyNode_ListTree(node *);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
#endif /* !Py_NODE_H */
|