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annotate Include/node.h @ 13255:916fb024ce94 legacy-trunk

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Change copyright notice.
author Guido van Rossum <guido@python.org>
date Fri, 30 Jun 2000 23:50:40 +0000
parents 63436719d12e
children 87ee82e5c56d
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1 #ifndef Py_NODE_H
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2 #define Py_NODE_H
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3 #ifdef __cplusplus
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4 extern "C" {
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5 #endif
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6
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7 /***********************************************************
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8 Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,
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9 The Netherlands.
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10
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11 All Rights Reserved
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12
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13 Copyright (c) 2000, BeOpen.com.
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14 Copyright (c) 1995-2000, Corporation for National Research Initiatives.
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15 Copyright (c) 1990-1995, Stichting Mathematisch Centrum.
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16 All rights reserved.
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17
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18 See the file "Misc/COPYRIGHT" for information on usage and
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19 redistribution of this file, and for a DISCLAIMER OF ALL WARRANTIES.
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20
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21 ******************************************************************/
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22
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23 /* Parse tree node interface */
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24
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25 typedef struct _node {
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26 short n_type;
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27 char *n_str;
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28 short n_lineno;
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29 short n_nchildren;
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30 struct _node *n_child;
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31 } node;
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32
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33 extern DL_IMPORT(node *) PyNode_New Py_PROTO((int type));
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34 extern DL_IMPORT(int) PyNode_AddChild Py_PROTO((node *n, int type, char *str, int lineno));
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35 extern DL_IMPORT(void) PyNode_Free Py_PROTO((node *n));
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36
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37 /* Node access functions */
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38 #define NCH(n) ((n)->n_nchildren)
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39 #define CHILD(n, i) (&(n)->n_child[i])
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40 #define TYPE(n) ((n)->n_type)
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41 #define STR(n) ((n)->n_str)
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42
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43 /* Assert that the type of a node is what we expect */
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44 #ifndef Py_DEBUG
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45 #define REQ(n, type) { /*pass*/ ; }
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46 #else
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47 #define REQ(n, type) \
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48 { if (TYPE(n) != (type)) { \
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49 fprintf(stderr, "FATAL: node type %d, required %d\n", \
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50 TYPE(n), type); \
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51 abort(); \
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52 } }
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53 #endif
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54
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55 extern DL_IMPORT(void) PyNode_ListTree Py_PROTO((node *));
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57 #ifdef __cplusplus
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58 }
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59 #endif
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60 #endif /* !Py_NODE_H */