view Include/node.h @ 56797:ccbf7ebef475 2.6

Recorded merge of revisions 69159,69161,69240,69271-69273,69276 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r69159 | gregory.p.smith | 2009-02-01 01:16:01 +0100 (So, 01 Feb 2009) | 2 lines Update doc wording as suggested in issue4903. ........ r69161 | gregory.p.smith | 2009-02-01 01:24:21 +0100 (So, 01 Feb 2009) | 2 lines wording for for issue4903. ........ r69240 | raymond.hettinger | 2009-02-03 04:18:14 +0100 (Di, 03 Feb 2009) | 1 line Record operator deprecations in docs. ........ r69271 | raymond.hettinger | 2009-02-04 11:52:32 +0100 (Mi, 04 Feb 2009) | 1 line Minor doc fixups. ........ r69272 | raymond.hettinger | 2009-02-04 12:14:18 +0100 (Mi, 04 Feb 2009) | 1 line Doc fixes. Remove overbroad, redundant warnings. Fixup example code. ........ r69273 | raymond.hettinger | 2009-02-04 12:31:30 +0100 (Mi, 04 Feb 2009) | 1 line Tweak the docs for Counter() objects. ........ r69276 | raymond.hettinger | 2009-02-04 20:25:17 +0100 (Mi, 04 Feb 2009) | 1 line Clarify that named tuples do not have to subclass tuple. ........
author Georg Brandl <georg@python.org>
date Tue, 27 Oct 2009 13:29:01 +0000
parents 57322cb2ca11
children aceb975c4832 169fbbac2dec
line wrap: on
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/* Parse tree node interface */

#ifndef Py_NODE_H
#define Py_NODE_H
#ifdef __cplusplus
extern "C" {
#endif

typedef struct _node {
    short		n_type;
    char		*n_str;
    int			n_lineno;
    int			n_col_offset;
    int			n_nchildren;
    struct _node	*n_child;
} node;

PyAPI_FUNC(node *) PyNode_New(int type);
PyAPI_FUNC(int) PyNode_AddChild(node *n, int type,
                                      char *str, int lineno, int col_offset);
PyAPI_FUNC(void) PyNode_Free(node *n);

/* Node access functions */
#define NCH(n)		((n)->n_nchildren)
	
#define CHILD(n, i)	(&(n)->n_child[i])
#define RCHILD(n, i)	(CHILD(n, NCH(n) + i))
#define TYPE(n)		((n)->n_type)
#define STR(n)		((n)->n_str)

/* Assert that the type of a node is what we expect */
#define REQ(n, type) assert(TYPE(n) == (type))

PyAPI_FUNC(void) PyNode_ListTree(node *);

#ifdef __cplusplus
}
#endif
#endif /* !Py_NODE_H */