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Transformation of Applicative Specifications into Imperative ...

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APPENDIX D. SPECIFICATION OF TRANSFORMER IN RSL1<br />

end,<br />

typesMap(<br />

CheckPattern(<br />

p, func, trans,<br />

envMap(<br />

CheckOptInnerPattern(<br />

inner_pattern(elp), func, trans,<br />

env, types)),<br />

typesMap(<br />

CheckOptInnerPattern(<br />

inner_pattern(elp), func, trans,<br />

env, types)))))<br />

CheckOptInnerPattern :<br />

OptionalInnerPattern × FUNC × TRANS × ENV × TYPES →<br />

BOOL_ENV_TYPES<br />

CheckOptInnerPattern(oip, func, trans, env, types) ≡<br />

case oip <strong>of</strong><br />

InnerPatternList(pl) →<br />

CheckPatternList(pl, func, trans, env, types),<br />

NoInnerPattern →<br />

mk_BOOL_ENV_TYPES(true, env, types)<br />

end,<br />

matchBindingTE : LetBinding × TypeExpr → Bool<br />

matchBindingTE(lb, te) ≡<br />

greaterEqual(<br />

getLengthLetBinding(lb), getLengthTE(te), 0),<br />

TRValueDefList :<br />

ValueDef ∗ × FUNC × TRANS → ValueDef ∗<br />

TRValueDefList(vdl, func, trans) ≡<br />

if vdl = 〈〉 then 〈〉<br />

else<br />

〈TRValueDef(hd vdl, func, trans)〉 <br />

TRValueDefList(tl vdl, func, trans)<br />

end,<br />

TRValueDef : ValueDef × FUNC × TRANS → ValueDef<br />

TRValueDef(vd, func, trans) ≡<br />

case vd <strong>of</strong><br />

ExplicitValueDef(st, ve) →<br />

if<br />

includesTRANSName(<br />

356

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