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Extend the scope graph on assignment.

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Rob Rix 2019-07-30 09:14:32 -04:00
parent 196f2bff17
commit 100d6a18ff
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1 changed files with 4 additions and 1 deletions
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5
semantic-core/src/Analysis/ScopeGraph.hs
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@ -104,7 +104,10 @@ scopeGraphAnalysis = Analysis{..}
bindLoc <- asks (Map.lookup addr)
cell <- gets (Map.lookup addr >=> nonEmpty . Set.toList)
maybe (pure Nothing) (foldMapA (pure . Just . mappend (ScopeGraph (maybe Map.empty (\ bindLoc -> Map.singleton (Decl addr bindLoc) (Set.singleton ref)) bindLoc)))) cell
assign addr v = modify (Map.insertWith (<>) addr (Set.singleton v))
assign addr v = do
ref <- asks Ref
bindLoc <- asks (Map.lookup addr)
modify (Map.insertWith (<>) addr (Set.singleton (ScopeGraph (maybe Map.empty (\ bindLoc -> Map.singleton (Decl addr bindLoc) (Set.singleton ref)) bindLoc) <> v)))
abstract eval name body = do
addr <- alloc name
assign name (mempty @ScopeGraph)