Eugene E. Kohlbecker

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Macro expansion in current Lisp systems is naive with respect to block structure. Every macro function can cause the capture of free user identifiers and thus corrupt intended bindings. We propose a change to the expansion algorithm so that macros will only violate the binding discipline when it is explicitly intended. 1. Problems with Macro Expansions Lisp(More)
This paper presents two new developments. First, it describes a “macro-by-example” specification language for syntactic abstractions in Lisp and related languages. This specification language allows a more declarative specification of macros than conventional macro facilities do by giving a better treatment of iteration and mapping constructs.(More)
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