diff options
Diffstat (limited to 'src/GF/Grammar/Grammar.hs')
| -rw-r--r-- | src/GF/Grammar/Grammar.hs | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/GF/Grammar/Grammar.hs b/src/GF/Grammar/Grammar.hs index 7be13a0d9..47970c882 100644 --- a/src/GF/Grammar/Grammar.hs +++ b/src/GF/Grammar/Grammar.hs @@ -175,9 +175,10 @@ data Patt = | PAs Ident Patt -- ^ as-pattern: x@p -- regular expression patterns + | PNeg Patt -- ^ negated pattern: -p | PAlt Patt Patt -- ^ disjunctive pattern: p1 | p2 - | PSeq Patt Patt -- ^ sequence of token parts - | PRep Patt -- ^ repetition of token part + | PSeq Patt Patt -- ^ sequence of token parts: p + q + | PRep Patt -- ^ repetition of token part: p* deriving (Read, Show, Eq, Ord) |