diff options
| author | Roland Reichwein <mail@reichwein.it> | 2020-03-21 22:11:57 +0100 |
|---|---|---|
| committer | Roland Reichwein <mail@reichwein.it> | 2020-03-21 22:11:57 +0100 |
| commit | 365183e243d164185bca6ad9fa4e0d75664800f4 (patch) | |
| tree | e488e99f78551773518c2fb946cbd165bb6a8c90 /grammer.cpp | |
| parent | cdf001920fde6652b344775589b0524ff6529809 (diff) | |
C++ grammer (WIP)
Diffstat (limited to 'grammer.cpp')
| -rw-r--r-- | grammer.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
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; |