26.09.2013 Views

Transformation of Applicative Specifications into Imperative ...

Transformation of Applicative Specifications into Imperative ...

Transformation of Applicative Specifications into Imperative ...

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

APPENDIX C. FORMAL SPECIFICATIONS OF TRANSFORMATIONS<br />

=======<br />

ListPattern: the imperative version <strong>of</strong> the list<br />

pattern<br />

∗/<br />

TRListPattern :<br />

ListPattern × FUNC × TRANS × TYPES →<br />

ListPattern × TYPES<br />

TRListPattern(lp, func, trans, types) ≡<br />

case lp <strong>of</strong><br />

Make_EnumeratedListPattern(elp) →<br />

let<br />

(elp ′ , types ′ ) =<br />

TROptInnerPattern(<br />

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

in<br />

(Make_EnumeratedListPattern(<br />

mk_EnumeratedListPattern(elp ′ )), types ′ )<br />

end,<br />

ConcatenatedListPattern(elp, p) →<br />

let<br />

(elp ′ , types1) =<br />

TROptInnerPattern(<br />

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

(p ′ , types2) =<br />

TRPattern(p, func, trans, types1)<br />

in<br />

(ConcatenatedListPattern(<br />

mk_EnumeratedListPattern(elp ′ ), p ′ ), types2<br />

)<br />

end<br />

end,<br />

/∗Transforms an optional inner pattern.∗/<br />

/∗<br />

Arguments:<br />

=======<br />

oip: optional inner pattern<br />

Results:<br />

=======<br />

OptionalInnerPattern: the imperative version<br />

<strong>of</strong> the optional inner pattern<br />

∗/<br />

TROptInnerPattern :<br />

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

220

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!