Transformation of Applicative Specifications into Imperative ...

APPENDIX C. FORMAL SPECIFICATIONS OF TRANSFORMATIONS
elsif_list(ie), func, trans, types) ∧
CheckPreCondGen(
else_case(ie), func, trans, types),
CaseExpr(cond, cbl) →
CheckPreCondGen(cond, func, trans, types) ∧
CheckPreCondGenCaseBranch(
cbl, func, trans, types)
end,
/∗Checks if a value expression list contains generators
or hidden generators.∗/
/∗
Arguments:
=======
vel: the value expression list
Results:
=====
Bool: true if the value expression list does
not contain generators, false otherwise
∗/
CheckPreCondGenProduct :
ValueExpr ∗ × FUNC × TRANS × TYPES → Bool
CheckPreCondGenProduct(vel, func, trans, types) ≡
if vel = 〈〉 then true
else
CheckPreCondGen(hd vel, func, trans, types) ∧
CheckPreCondGenProduct(tl vel, func, trans, types)
end,
/∗Checks if a set expression contains generators
or hidden generators.∗/
/∗
Arguments:
=======
se: the set expression
Results:
=====
Bool: true if the set expression does not contain
generators, false otherwise
∗/
CheckPreCondGenSet :
SetExpr × FUNC × TRANS × TYPES → Bool
CheckPreCondGenSet(se, func, trans, types) ≡
case se of
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