Support contextual tokens

1 files changed, 4 insertions, 3 deletions

diff --git a/src/parser/input.rs b/src/parser/input.rs
index 162b9ef5f..2ad621166 100644
--- a/src/parser/input.rs
+++ b/src/parser/input.rs
@@ -46,9 +46,10 @@ impl<'t> ParserInput<'t> {
         if !(idx < self.tokens.len()) {
             return "";
         }
-        let start_offset = self.start_offsets[idx];
-        let end_offset = self.tokens[idx].len;
-        let range = TextRange::from_to(start_offset, end_offset);
+        let range = TextRange::from_len(
+            self.start_offsets[idx],
+            self.tokens[idx].len
+        );
         &self.text[range]
     }
 }