cpython/Include/node.h

56 lines
1.4 KiB
C
Raw Normal View History

1991-02-19 08:39:46 -04:00
/***********************************************************
2000-06-30 20:50:40 -03:00
Copyright (c) 2000, BeOpen.com.
Copyright (c) 1995-2000, Corporation for National Research Initiatives.
Copyright (c) 1990-1995, Stichting Mathematisch Centrum.
All rights reserved.
1991-02-19 08:39:46 -04:00
2000-06-30 20:50:40 -03:00
See the file "Misc/COPYRIGHT" for information on usage and
redistribution of this file, and for a DISCLAIMER OF ALL WARRANTIES.
1991-02-19 08:39:46 -04:00
******************************************************************/
1990-10-14 09:07:46 -03:00
/* Parse tree node interface */
#ifndef Py_NODE_H
#define Py_NODE_H
#ifdef __cplusplus
extern "C" {
#endif
1990-10-14 09:07:46 -03:00
typedef struct _node {
short n_type;
char *n_str;
short n_lineno;
short n_nchildren;
struct _node *n_child;
1990-10-14 09:07:46 -03:00
} node;
extern DL_IMPORT(node *) PyNode_New(int type);
extern DL_IMPORT(int) PyNode_AddChild(node *n, int type,
char *str, int lineno);
extern DL_IMPORT(void) PyNode_Free(node *n);
1990-10-14 09:07:46 -03:00
/* Node access functions */
#define NCH(n) ((n)->n_nchildren)
#define CHILD(n, i) (&(n)->n_child[i])
#define TYPE(n) ((n)->n_type)
#define STR(n) ((n)->n_str)
/* Assert that the type of a node is what we expect */
1996-12-30 12:17:54 -04:00
#ifndef Py_DEBUG
1990-10-14 09:07:46 -03:00
#define REQ(n, type) { /*pass*/ ; }
#else
#define REQ(n, type) \
{ if (TYPE(n) != (type)) { \
fprintf(stderr, "FATAL: node type %d, required %d\n", \
TYPE(n), type); \
abort(); \
1990-10-14 09:07:46 -03:00
} }
#endif
1990-12-20 11:06:42 -04:00
extern DL_IMPORT(void) PyNode_ListTree(node *);
#ifdef __cplusplus
}
#endif
#endif /* !Py_NODE_H */