76 lines
2.4 KiB
C
76 lines
2.4 KiB
C
#ifndef Py_NODE_H
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#define Py_NODE_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/***********************************************************
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Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,
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The Netherlands.
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All Rights Reserved
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Permission to use, copy, modify, and distribute this software and its
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documentation for any purpose and without fee is hereby granted,
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provided that the above copyright notice appear in all copies and that
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both that copyright notice and this permission notice appear in
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supporting documentation, and that the names of Stichting Mathematisch
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Centrum or CWI or Corporation for National Research Initiatives or
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CNRI not be used in advertising or publicity pertaining to
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distribution of the software without specific, written prior
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permission.
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While CWI is the initial source for this software, a modified version
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is made available by the Corporation for National Research Initiatives
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(CNRI) at the Internet address ftp://ftp.python.org.
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STICHTING MATHEMATISCH CENTRUM AND CNRI DISCLAIM ALL WARRANTIES WITH
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REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH
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CENTRUM OR CNRI BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
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DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
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PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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PERFORMANCE OF THIS SOFTWARE.
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******************************************************************/
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/* Parse tree node interface */
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typedef struct _node {
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short n_type;
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char *n_str;
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short n_lineno;
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short n_nchildren;
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struct _node *n_child;
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} node;
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extern DL_IMPORT(node *) PyNode_New Py_PROTO((int type));
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extern DL_IMPORT(node *) PyNode_AddChild Py_PROTO((node *n, int type, char *str, int lineno));
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extern DL_IMPORT(void) PyNode_Free Py_PROTO((node *n));
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/* Node access functions */
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#define NCH(n) ((n)->n_nchildren)
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#define CHILD(n, i) (&(n)->n_child[i])
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#define TYPE(n) ((n)->n_type)
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#define STR(n) ((n)->n_str)
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/* Assert that the type of a node is what we expect */
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#ifndef Py_DEBUG
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#define REQ(n, type) { /*pass*/ ; }
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#else
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#define REQ(n, type) \
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{ if (TYPE(n) != (type)) { \
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fprintf(stderr, "FATAL: node type %d, required %d\n", \
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TYPE(n), type); \
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abort(); \
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} }
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#endif
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extern DL_IMPORT(void) PyNode_ListTree Py_PROTO((node *));
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#ifdef __cplusplus
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}
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#endif
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#endif /* !Py_NODE_H */
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