1 files changed, 47 insertions, 0 deletions
diff --git a/contrib/tools/python3/src/Include/node.h b/contrib/tools/python3/src/Include/node.h
new file mode 100644
index 00000000000..ca24f289085
--- /dev/null
+++ b/contrib/tools/python3/src/Include/node.h
@@ -0,0 +1,47 @@
+
+/* 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;
+    int                 n_end_lineno;
+    int                 n_end_col_offset;
+} node;
+
+PyAPI_FUNC(node *) PyNode_New(int type);
+PyAPI_FUNC(int) PyNode_AddChild(node *n, int type,
+                                char *str, int lineno, int col_offset,
+                                int end_lineno, int end_col_offset);
+PyAPI_FUNC(void) PyNode_Free(node *n);
+#ifndef Py_LIMITED_API
+PyAPI_FUNC(Py_ssize_t) _PyNode_SizeOf(node *n);
+#endif
+
+/* 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)
+#define LINENO(n)       ((n)->n_lineno)
+
+/* 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 *);
+void _PyNode_FinalizeEndPos(node *n);  // helper also used in parsetok.c
+
+#ifdef __cplusplus
+}
+#endif
+#endif /* !Py_NODE_H */