Allow parsing `123.foo()` as `(123).foo()`

1 files changed, 6 insertions, 0 deletions

diff --git a/src/parse/utils.c b/src/parse/utils.c
index 03e0ebcd..2df3f1a9 100644
--- a/src/parse/utils.c
+++ b/src/parse/utils.c
@@ -57,6 +57,12 @@ size_t match(const char **pos, const char *target) {
     return len;
 }
 
+bool is_xid_start_next(const char *pos) {
+    ucs4_t point = 0;
+    u8_next(&point, (const uint8_t *)pos);
+    return uc_is_property_xid_start(point);
+}
+
 bool is_xid_continue_next(const char *pos) {
     ucs4_t point = 0;
     u8_next(&point, (const uint8_t *)pos);