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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 */ | |