Transformation of Applicative Specifications into Imperative ...

Transformation of Applicative Specifications into Imperative ... Transformation of Applicative Specifications into Imperative ...

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APPENDIX D. SPECIFICATION OF TRANSFORMER IN RSL1 getAccessObsListList : Id ∗ × ValueExpr ∗ × ExpType ∗ × FUNC × TRANS → AccessResult getAccessObsListList(idset, vel, etl, func, trans) ≡ if vel = 〈〉 then mk_AccessResult(〈〉, idset) else mk_AccessResult( removeDuplets( accessList( getAccessObs( idset, hd vel, hd etl, func, trans)) accessList( getAccessObsListList( accessIdSet( getAccessObs( idset, hd vel, hd etl, func, trans)), tl vel, tl etl, func, trans))), accessIdSet( getAccessObsListList( accessIdSet( getAccessObs( idset, hd vel, hd etl, func, trans)), tl vel, tl etl, func, trans))) end, getAccessObsLetDefList : Id ∗ × LetDef ∗ × FUNC × TRANS → AccessResult getAccessObsLetDefList(idset, ldl, func, trans) ≡ if ldl = 〈〉 then mk_AccessResult(〈〉, idset) else mk_AccessResult( removeDuplets( accessList( getAccessObs( idset, value_expr(hd ldl), Unknown, func, trans)) accessList( getAccessObsLetDefList( accessIdSet( getAccessObs( 432

D.2. FORMAL SPECIFICATION OF THE TRANSFORMER IN RSL1 ) end, idset, value_expr(hd ldl), Unknown, func, trans)), tl ldl, func, trans))), accessIdSet( getAccessObsLetDefList( accessIdSet( getAccessObs( idset, value_expr(hd ldl), Unknown, func, trans)), tl ldl, func, trans)) getAccessObsCaseBranch : Id ∗ × CaseBranch ∗ × ExpType × FUNC × TRANS → AccessResult getAccessObsCaseBranch(idset, cbl, et, func, trans) ≡ if cbl = 〈〉 then mk_AccessResult(〈〉, idset) else mk_AccessResult( removeDuplets( accessList( getAccessObs( idset, value_expr(hd cbl), et, func, trans)) accessList( getAccessObsCaseBranch( accessIdSet( getAccessObs( idset, value_expr(hd cbl), et, func, trans)), tl cbl, et, func, trans))), accessIdSet( getAccessObsCaseBranch( accessIdSet( getAccessObs( idset, value_expr(hd cbl), et, func, trans)), tl cbl, et, func, trans))) end, getAccessGen : Id ∗ × ValueExpr × ExpType × FUNC × TRANS → AccessResult 433

D.2. FORMAL SPECIFICATION OF THE TRANSFORMER IN RSL1<br />

)<br />

end,<br />

idset, value_expr(hd ldl),<br />

Unknown, func, trans)), tl ldl,<br />

func, trans))),<br />

accessIdSet(<br />

getAccessObsLetDefList(<br />

accessIdSet(<br />

getAccessObs(<br />

idset, value_expr(hd ldl), Unknown,<br />

func, trans)), tl ldl, func, trans))<br />

getAccessObsCaseBranch :<br />

Id ∗ × CaseBranch ∗ × ExpType × FUNC ×<br />

TRANS →<br />

AccessResult<br />

getAccessObsCaseBranch(idset, cbl, et, func, trans) ≡<br />

if cbl = 〈〉 then mk_AccessResult(〈〉, idset)<br />

else<br />

mk_AccessResult(<br />

removeDuplets(<br />

accessList(<br />

getAccessObs(<br />

idset, value_expr(hd cbl), et, func,<br />

trans)) <br />

accessList(<br />

getAccessObsCaseBranch(<br />

accessIdSet(<br />

getAccessObs(<br />

idset, value_expr(hd cbl), et,<br />

func, trans)), tl cbl, et, func,<br />

trans))),<br />

accessIdSet(<br />

getAccessObsCaseBranch(<br />

accessIdSet(<br />

getAccessObs(<br />

idset, value_expr(hd cbl), et,<br />

func, trans)), tl cbl, et, func,<br />

trans)))<br />

end,<br />

getAccessGen :<br />

Id ∗ × ValueExpr × ExpType × FUNC × TRANS →<br />

AccessResult<br />

433

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