From c79720566c13a561015870d358822801f319b732 Mon Sep 17 00:00:00 2001
From: Olivier Matz <zer0@droids-corp.org>
Date: Thu, 7 Mar 2019 19:15:51 +0100
Subject: [PATCH] yaml: parse anchors

---
 src/ecoli_yaml.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/ecoli_yaml.c b/src/ecoli_yaml.c
index 8ac47eb..326af56 100644
--- a/src/ecoli_yaml.c
+++ b/src/ecoli_yaml.c
@@ -361,12 +361,19 @@ parse_ec_node(struct enode_table *table,
 	const char *key_str, *value_str;
 	struct ec_node *enode = NULL;
 	char *value_dup = NULL;
+	size_t i;
 
 	if (ynode->type != YAML_MAPPING_NODE) {
 		fprintf(stderr, "Ecoli node should be a yaml mapping node\n");
 		goto fail;
 	}
 
+	/* if it's an anchor, the node may be already parsed, reuse it */
+	for (i = 0; i < table->len; i++) {
+		if (table->pair[i].ynode == ynode)
+			return ec_node_clone(table->pair[i].enode);
+	}
+
 	for (pair = ynode->data.mapping.pairs.start;
 	     pair < ynode->data.mapping.pairs.top; pair++) {
 		key = document->nodes.start + pair->key - 1; // XXX -1 ?
-- 
2.20.1