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annotate Include/node.h @ 20737:00a581bdedeb legacy-trunk

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When overriding __str__ or __repr__, set the tp_print slot to NULL.
author Guido van Rossum <guido@python.org>
date Mon, 29 Oct 2001 14:33:44 +0000
parents ba2850408f0a
children c1eb668525e1
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2 /* Parse tree node interface */
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4 #ifndef Py_NODE_H
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5 #define Py_NODE_H
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6 #ifdef __cplusplus
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7 extern "C" {
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8 #endif
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10 typedef struct _node {
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11 short n_type;
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12 char *n_str;
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13 int n_lineno;
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14 int n_nchildren;
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15 struct _node *n_child;
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16 } node;
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18 extern DL_IMPORT(node *) PyNode_New(int type);
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19 extern DL_IMPORT(int) PyNode_AddChild(node *n, int type,
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20 char *str, int lineno);
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21 extern DL_IMPORT(void) PyNode_Free(node *n);
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22
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23 /* Node access functions */
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24 #define NCH(n) ((n)->n_nchildren)
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25 #define CHILD(n, i) (&(n)->n_child[i])
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26 #define TYPE(n) ((n)->n_type)
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27 #define STR(n) ((n)->n_str)
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29 /* Assert that the type of a node is what we expect */
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30 #define REQ(n, type) assert(TYPE(n) == (type))
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32 extern DL_IMPORT(void) PyNode_ListTree(node *);
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34 #ifdef __cplusplus
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35 }
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36 #endif
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37 #endif /* !Py_NODE_H */