From 3d0ca31cf1022ee9a4fe3bc931bdb19d74089d57 Mon Sep 17 00:00:00 2001
From: Pieter Goetschalckx <3.14.e.ter@gmail.com>
Date: Fri, 30 Mar 2018 21:12:09 +0200
Subject: [PATCH] Add error message for TSCompileErrorTypeInvalidTokenContents

---
 src/compiler/prepare_grammar/expand_tokens.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/compiler/prepare_grammar/expand_tokens.cc b/src/compiler/prepare_grammar/expand_tokens.cc
index 48396540..82fb9302 100644
--- a/src/compiler/prepare_grammar/expand_tokens.cc
+++ b/src/compiler/prepare_grammar/expand_tokens.cc
@@ -72,7 +72,7 @@ ExpandTokenResult expand_token(const rules::Rule &rule) {
       return Rule(rules::Choice{elements});
     },
 
-    [](auto) { return CompileError(TSCompileErrorTypeInvalidTokenContents, ""); }
+    [](auto) { return CompileError(TSCompileErrorTypeInvalidTokenContents, "Symbols inside tokens are not allowed."); }
   );
 };