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Fixed the pass that turns array constructors into replicated loops so that it handles nested array constructors and inner-procthens properly

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cgtest80 now compiles and passes
This commit is contained in:
Neil Brown 2009-02-02 18:27:38 +00:00
parent 4b3090b66a
commit bf365ee41a
1 changed files with 11 additions and 5 deletions
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16
transformations/SimplifyExprs.hs
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@ -226,14 +226,16 @@ transformConstr = pass "Transform array constructors into initialisation code"
-- to Original, since we are now actually declaring it and assigning
-- to it:
modifyName n $ \nd -> nd {A.ndAbbrevMode = A.Original}
let body = specs $ A.Several m''
[ assignItem tInner indexVar repExp'
, incrementIndex indexVar ]
body' <- applyDepthSM doStructured body
return $ declDest $ A.ProcThen m''
(A.Seq m'' $ A.Spec m'' indexVarSpec $
A.Several m'' [assignIndex0 indexVar,
replicateCode $ A.Only m'' $ A.Seq m'' $
specs $ A.Several m''
[ assignItem tInner indexVar repExp'
, incrementIndex indexVar ]
replicateCode $ body'
])
scope
A.List {} ->
@ -242,11 +244,15 @@ transformConstr = pass "Transform array constructors into initialisation code"
scope
_ -> diePC m $ formatCode "Unsupported type for array constructor: %" t
where
-- Also strips ProcThen
stripSpecs :: A.Structured A.Expression -> (A.Structured A.Expression,
A.Structured A.Process -> A.Structured A.Process)
stripSpecs (A.Spec m spec scope)
= let (result, innerSpecs) = stripSpecs scope in
(result, A.Spec m spec . innerSpecs)
stripSpecs (A.ProcThen m proc body)
= let (result, innerSpecs) = stripSpecs body in
(result, A.ProcThen m proc . innerSpecs)
stripSpecs se = (se, id)
declDest :: Data a => A.Structured a -> A.Structured a