From 4981e0caf24b3906200e4af12593f4e10a17c699 Mon Sep 17 00:00:00 2001
From: Camil Staps
Date: Sat, 24 Sep 2016 14:12:05 +0200
Subject: Fix issue with overwritten references

---
 interpreter/graphs.h | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'interpreter/graphs.h')

diff --git a/interpreter/graphs.h b/interpreter/graphs.h
index fcb314e..0cebe9e 100644
--- a/interpreter/graphs.h
+++ b/interpreter/graphs.h
@@ -10,6 +10,8 @@ typedef enum {
 	NODE_LIST,
 	NODE_TUPLE,
 	NODE_APP,
+
+	NODE_REDIRECT    /* Redirect to another node */
 } node_kind;
 
 struct node {
@@ -22,6 +24,8 @@ struct node {
 void use_node(struct node* node, unsigned int count);
 void free_node(struct node* node, unsigned int count, unsigned free_first);
 
+void remove_redirects(struct node *node);
+
 void cpy_expression_to_node(struct node* dst, expression* src);
 void cpy_node_to_expression(expression* dst, struct node* src);
 
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