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- /* 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);
- #ifndef Py_LIMITED_API
- PyAPI_FUNC(Py_ssize_t) _PyNode_SizeOf(node *n);
- #endif
- /* 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)
- #define LINENO(n) ((n)->n_lineno)
- /* 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 */
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