suzanne.soy/tock-mirror
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Handle IsExpr SubscriptedExpr properly when pulling up

Browse Source
This commit is contained in:
Adam Sampson 2007-04-30 17:02:50 +00:00
parent 25a9595273
commit 8fae7c4015
1 changed files with 3 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
fco2/SimplifyExprs.hs
View File

@ -108,11 +108,13 @@ pullUp = doGeneric `extM` doStructured `extM` doProcess `extM` doSpecification `
-- | *Don't* pull anything that's already an abbreviation -- but do convert
-- RetypesExpr into Retypes (of a variable).
doSpecification :: A.Specification -> PassM A.Specification
-- Iss might be SubscriptedVars -- which is fine; the backend can deal with that.
doSpecification (A.Specification m n (A.Is m' am t v))
= do v' <- doGeneric v -- note doGeneric rather than pullUp
return $ A.Specification m n (A.Is m' am t v')
-- IsExprs might be SubscriptedExprs, and if so we have to convert them.
doSpecification (A.Specification m n (A.IsExpr m' am t e))
= do e' <- doGeneric e -- note doGeneric rather than pullUp
= do e' <- doExpression' e -- note doExpression' rather than pullUp
return $ A.Specification m n (A.IsExpr m' am t e')
doSpecification (A.Specification m n (A.RetypesExpr m' am toT e))
= do e' <- doExpression e