expr_fvs (Note _ expr) = expr_fvs expr
expr_fvs (App fun arg) = expr_fvs fun `union` expr_fvs arg
expr_fvs (Lam bndr body) = addBndr bndr (expr_fvs body)
+expr_fvs (Cast expr co) = expr_fvs expr `union` someVars (tyVarsOfType co)
expr_fvs (Case scrut bndr ty alts)
= expr_fvs scrut `union` someVars (tyVarsOfType ty) `union` addBndr bndr
go (Type ty) = tyClsNamesOfType ty -- Don't need free tyvars
go (App e1 e2) = go e1 `unionNameSets` go e2
go (Lam v e) = go e `delFromNameSet` varName v
- go (Note n e) = go e
+ go (Note n e) = go e
+ go (Cast e co) = go e `unionNameSets` tyClsNamesOfType co
go (Let (NonRec b r) e) = go e `unionNameSets` go r
go (Let (Rec prs) e) = exprsFreeNames (map snd prs) `unionNameSets` go e
go (Case e b ty as) = go e `unionNameSets` tyClsNamesOfType ty
body2 = freeVars body
body_fvs = freeVarsOf body2
-freeVars (Note (Coerce to_ty from_ty) expr)
- = (freeVarsOf expr2 `unionFVs` tfvs1 `unionFVs` tfvs2,
- AnnNote (Coerce to_ty from_ty) expr2)
+
+freeVars (Cast expr co)
+ = (freeVarsOf expr2 `unionFVs` cfvs, AnnCast expr2 co)
where
- expr2 = freeVars expr
- tfvs1 = tyVarsOfType from_ty
- tfvs2 = tyVarsOfType to_ty
+ expr2 = freeVars expr
+ cfvs = tyVarsOfType co
freeVars (Note other_note expr)
= (freeVarsOf expr2, AnnNote other_note expr2)