mirror of https://github.com/python/cpython.git
47 lines
1006 B
C
47 lines
1006 B
C
|
|
/* 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_nchildren;
|
|
struct _node *n_child;
|
|
} 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);
|
|
|
|
/* 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 */
|
|
#ifndef Py_DEBUG
|
|
#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(); \
|
|
} }
|
|
#endif
|
|
|
|
extern DL_IMPORT(void) PyNode_ListTree(node *);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
#endif /* !Py_NODE_H */
|