diff options
Diffstat (limited to 'grammar/semantic_error.go')
| -rw-r--r-- | grammar/semantic_error.go | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/grammar/semantic_error.go b/grammar/semantic_error.go index 4326d81..7ff1ba7 100644 --- a/grammar/semantic_error.go +++ b/grammar/semantic_error.go @@ -31,4 +31,6 @@ var ( semErrInvalidLabel = newSemanticError("a label must differ from terminal symbols or non-terminal symbols") semErrDirInvalidName = newSemanticError("invalid directive name") semErrDirInvalidParam = newSemanticError("invalid parameter") + semErrDuplicateDir = newSemanticError("a directive must not be duplicated") + semErrInvalidAltDir = newSemanticError("invalid alternative directive") ) |