Fix crash in "Goto Definition"

latex-lsp · Oct 7, 2019 · 4d4dedf · 4d4dedf
1 parent 1731015
commit 4d4dedf
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/src/definition/bibtex_string.rs b/src/definition/bibtex_string.rs
@@ -25,9 +25,9 @@ impl BibtexStringDefinitionProvider {
     fn find_reference(tree: &BibtexSyntaxTree, position: Position) -> Option<&BibtexToken> {
         let mut nodes = tree.find(position);
         nodes.reverse();
-        match (&nodes[0], &nodes[1]) {
-            (BibtexNode::Word(word), BibtexNode::Field(_))
-            | (BibtexNode::Word(word), BibtexNode::Concat(_)) => Some(&word.token),
+        match (&nodes[0], &nodes.get(1)) {
+            (BibtexNode::Word(word), Some(BibtexNode::Field(_)))
+            | (BibtexNode::Word(word), Some(BibtexNode::Concat(_))) => Some(&word.token),
             _ => None,
         }
     }