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| 1 | |||
| 2 | /* Parse tree node interface */ | ||
| 3 | |||
| 4 | #ifndef Py_NODE_H | ||
| 5 | #define Py_NODE_H | ||
| 6 | #ifdef __cplusplus | ||
| 7 | extern "C" { | ||
| 8 | #endif | ||
| 9 | |||
| 10 | typedef struct _node { | ||
| 11 | short n_type; | ||
| 12 | char *n_str; | ||
| 13 | int n_lineno; | ||
| 14 | int n_col_offset; | ||
| 15 | int n_nchildren; | ||
| 16 | struct _node *n_child; | ||
| 17 | } node; | ||
| 18 | |||
| 19 | PyAPI_FUNC(node *) PyNode_New(int type); | ||
| 20 | PyAPI_FUNC(int) PyNode_AddChild(node *n, int type, | ||
| 21 | char *str, int lineno, int col_offset); | ||
| 22 | PyAPI_FUNC(void) PyNode_Free(node *n); | ||
| 23 | |||
| 24 | /* Node access functions */ | ||
| 25 | #define NCH(n) ((n)->n_nchildren) | ||
| 26 | |||
| 27 | #define CHILD(n, i) (&(n)->n_child[i]) | ||
| 28 | #define RCHILD(n, i) (CHILD(n, NCH(n) + i)) | ||
| 29 | #define TYPE(n) ((n)->n_type) | ||
| 30 | #define STR(n) ((n)->n_str) | ||
| 31 | |||
| 32 | /* Assert that the type of a node is what we expect */ | ||
| 33 | #define REQ(n, type) assert(TYPE(n) == (type)) | ||
| 34 | |||
| 35 | PyAPI_FUNC(void) PyNode_ListTree(node *); | ||
| 36 | |||
| 37 | #ifdef __cplusplus | ||
| 38 | } | ||
| 39 | #endif | ||
| 40 | #endif /* !Py_NODE_H */ | ||