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47 lines
1006 B
C
47 lines
1006 B
C
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/* Parse tree node interface */
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#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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typedef struct _node {
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short n_type;
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char *n_str;
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int n_lineno;
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int 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(int type);
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extern DL_IMPORT(int) PyNode_AddChild(node *n, int type,
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char *str, int lineno);
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extern DL_IMPORT(void) PyNode_Free(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(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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