The case of lambda expressions (Rule 17) shows how memory allocation is handled.
نویسنده
چکیده
An operational semantics of Scheme has been de ned by describing an abstract machine. Its allowed transition sequences are speci ed by the set of derivations in the natural semantics of Scheme. A translation establishes that each derivation in Scheme's natural semantics is justi ed by a valid equation in Scheme's denotational semantics, when the natural semantics is restricted so as to assume that throughout a program, there is one unspeci ed order used to evaluate applications. Acknowledgement: Joshua Guttman, Leonard Monk, and Vipin Swarup made many useful suggestions.
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تاریخ انتشار 2007