diff options
Diffstat (limited to 'grammar/src/lib.rs')
| -rw-r--r-- | grammar/src/lib.rs | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/grammar/src/lib.rs b/grammar/src/lib.rs index a8e0fd7..ab0f693 100644 --- a/grammar/src/lib.rs +++ b/grammar/src/lib.rs @@ -538,6 +538,15 @@ impl Grammar { Ok(self.reduction_map.get(&(pos1, pos2)).map(AsRef::as_ref)) } + /// Set the reduction information. + /// + /// This is used to set the reduction information for the virtual + /// nodes that are added after the left closure has been computed. + #[inline] + pub fn set_reduction(&mut self, pos1: usize, pos2: usize, info: Vec<usize>) { + self.reduction_map.insert((pos1, pos2), info); + } + // REVIEW: Do we have a better way to record expansion and // reduction information than to compute the transitive closure? |