mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-12-15 21:44:50 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 12

Initial revision

Browse source
This commit is contained in:
Guido van Rossum 1990-10-14 12:07:46 +00:00
parent c636014c43
commit 85a5fbbdfe
78 changed files with 13589 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

29
Include/node.h Normal file
View file

@ -0,0 +1,29 @@
/* Parse tree node interface */
typedef struct _node {
int n_type;
char *n_str;
int n_nchildren;
struct _node *n_child;
} node;
extern node *newnode PROTO((int type));
extern node *addchild PROTO((node *n, int type, char *str));
/* 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 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