Guido van Rossum | f70e43a | 1991-02-19 12:39:46 +0000 | [diff] [blame] | 1 | |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 2 | /* Parse tree node interface */ |
| 3 | |
Fred Drake | 5eb6d4e | 2000-07-08 23:37:28 +0000 | [diff] [blame] | 4 | #ifndef Py_NODE_H |
| 5 | #define Py_NODE_H |
| 6 | #ifdef __cplusplus |
| 7 | extern "C" { |
| 8 | #endif |
| 9 | |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 10 | typedef struct _node { |
Serhiy Storchaka | 598ceae | 2017-11-28 17:56:10 +0200 | [diff] [blame] | 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; |
Ivan Levkivskyi | 9932a22 | 2019-01-22 11:18:22 +0000 | [diff] [blame] | 17 | int n_end_lineno; |
| 18 | int n_end_col_offset; |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 19 | } node; |
| 20 | |
Mark Hammond | 91a681d | 2002-08-12 07:21:58 +0000 | [diff] [blame] | 21 | PyAPI_FUNC(node *) PyNode_New(int type); |
| 22 | PyAPI_FUNC(int) PyNode_AddChild(node *n, int type, |
Ivan Levkivskyi | 9932a22 | 2019-01-22 11:18:22 +0000 | [diff] [blame] | 23 | char *str, int lineno, int col_offset, |
| 24 | int end_lineno, int end_col_offset); |
Mark Hammond | 91a681d | 2002-08-12 07:21:58 +0000 | [diff] [blame] | 25 | PyAPI_FUNC(void) PyNode_Free(node *n); |
Jesus Cea | e9c5318 | 2012-08-03 14:28:37 +0200 | [diff] [blame] | 26 | #ifndef Py_LIMITED_API |
Serhiy Storchaka | 60fe569 | 2014-11-18 17:30:15 +0200 | [diff] [blame] | 27 | PyAPI_FUNC(Py_ssize_t) _PyNode_SizeOf(node *n); |
Jesus Cea | e9c5318 | 2012-08-03 14:28:37 +0200 | [diff] [blame] | 28 | #endif |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 29 | |
| 30 | /* Node access functions */ |
Serhiy Storchaka | 598ceae | 2017-11-28 17:56:10 +0200 | [diff] [blame] | 31 | #define NCH(n) ((n)->n_nchildren) |
Serhiy Storchaka | f402775 | 2015-03-21 09:25:53 +0200 | [diff] [blame] | 32 | |
Serhiy Storchaka | 598ceae | 2017-11-28 17:56:10 +0200 | [diff] [blame] | 33 | #define CHILD(n, i) (&(n)->n_child[i]) |
Serhiy Storchaka | 598ceae | 2017-11-28 17:56:10 +0200 | [diff] [blame] | 34 | #define TYPE(n) ((n)->n_type) |
| 35 | #define STR(n) ((n)->n_str) |
Benjamin Peterson | c0beabc | 2012-01-16 17:29:05 -0500 | [diff] [blame] | 36 | #define LINENO(n) ((n)->n_lineno) |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 37 | |
| 38 | /* Assert that the type of a node is what we expect */ |
Guido van Rossum | 5aace07 | 2001-10-15 17:23:13 +0000 | [diff] [blame] | 39 | #define REQ(n, type) assert(TYPE(n) == (type)) |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 40 | |
Mark Hammond | 91a681d | 2002-08-12 07:21:58 +0000 | [diff] [blame] | 41 | PyAPI_FUNC(void) PyNode_ListTree(node *); |
Ivan Levkivskyi | 9932a22 | 2019-01-22 11:18:22 +0000 | [diff] [blame] | 42 | void _PyNode_FinalizeEndPos(node *n); // helper also used in parsetok.c |
Guido van Rossum | a330996 | 1993-07-28 09:05:47 +0000 | [diff] [blame] | 43 | |
| 44 | #ifdef __cplusplus |
| 45 | } |
| 46 | #endif |
| 47 | #endif /* !Py_NODE_H */ |