From 365183e243d164185bca6ad9fa4e0d75664800f4 Mon Sep 17 00:00:00 2001
From: Roland Reichwein <mail@reichwein.it>
Date: Sat, 21 Mar 2020 22:11:57 +0100
Subject: C++ grammer (WIP)

---
 grammer.cpp | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'grammer.cpp')

diff --git a/grammer.cpp b/grammer.cpp
index 2379e9a..5557b12 100644
--- a/grammer.cpp
+++ b/grammer.cpp
@@ -230,6 +230,8 @@ bool Compiler::AddRootNode()
    const auto& variants{bnf[type]};
    for (int i = 0; i < variants.size(); i++) {
     const std::vector<std::string> & variant{variants[i]};
+    if (variant.size() == 0)
+     continue; // TODO: Handle case of empty rule (see e.g. C++ "attribute-list")
     if (child_type == variant[0]) {
      if (node_type == "") {
       node_type = type;
-- 
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