| Andrew Hsieh | 83760d2 | 2013-06-18 12:24:28 -0700 | [diff] [blame] | 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 | #ifndef Py_LIMITED_API |
| 24 | PyAPI_FUNC(Py_ssize_t) _PyNode_SizeOf(node *n); |
| 25 | #endif |
| 26 | |
| 27 | /* Node access functions */ |
| 28 | #define NCH(n) ((n)->n_nchildren) |
| 29 | |
| 30 | #define CHILD(n, i) (&(n)->n_child[i]) |
| 31 | #define RCHILD(n, i) (CHILD(n, NCH(n) + i)) |
| 32 | #define TYPE(n) ((n)->n_type) |
| 33 | #define STR(n) ((n)->n_str) |
| 34 | |
| 35 | /* Assert that the type of a node is what we expect */ |
| 36 | #define REQ(n, type) assert(TYPE(n) == (type)) |
| 37 | |
| 38 | PyAPI_FUNC(void) PyNode_ListTree(node *); |
| 39 | |
| 40 | #ifdef __cplusplus |
| 41 | } |
| 42 | #endif |
| 43 | #endif /* !Py_NODE_H */ |