workaround for fennel#221

src/fennel-ls/compiler.fnl

@@ -343,7 +343,8 @@ identifiers are declared / referenced in which places."
 
       (λ parsed [ast]
         "runs on every ast tree that was parsed"
-        (if (sym? ast)
+        ;; TODO in fennel 1.5+, bug fennel#221 will be fixed, and all syms in the ast should have a bytestart
+        (if (and (sym? ast) ast.bytestart)
           (case (values (tostring ast) (file.text:sub ast.bytestart ast.bytestart))
             (where (:hashfn "#"))
             (table.insert defer #(set ast.byteend ast.bytestart))

test/misc.fnl

@@ -39,6 +39,7 @@
   (create-client-with-files "(macro foo {} nil)
                              (λ test {} nil)
                              (λ {} nil")
+  (create-client-with-files "(fn foo []\n  #\n  (print :test))")
   nil)
 
 (fn test-split-spaces []