Mercurial > cpython-lru_cache-weakref

annotate Include/node.h @ 17581:c1937faabb23 2.1

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Added support for optional explanation parameter to the \versionadded macro. Refactored do_cmd_versionadded() and do_cmd_versionchanged() to do most of the work in a helper function, with the do_cmd_*() wrappers just supplying a portion of the replacement text.
author Fred Drake <fdrake@acm.org>
date Wed, 18 Apr 2001 17:29:14 +0000
parents 6f6f965c5e2d
children ba2850408f0a
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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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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 #ifndef Py_DEBUG
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31 #define REQ(n, type) { /*pass*/ ; }
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32 #else
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33 #define REQ(n, type) \
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34 { if (TYPE(n) != (type)) { \
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35 fprintf(stderr, "FATAL: node type %d, required %d\n", \
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36 TYPE(n), type); \
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37 abort(); \
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38 } }
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39 #endif
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41 extern DL_IMPORT(void) PyNode_ListTree(node *);
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43 #ifdef __cplusplus
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44 }
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45 #endif
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46 #endif /* !Py_NODE_H */