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Debugging macros (2007)
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BibTeX
@TECHREPORT{Culpepper07debuggingmacros,
author = {Ryan Culpepper and Matthias Felleisen},
title = {Debugging macros},
institution = {},
year = {2007}
}
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Abstract
Over the past two decades, Scheme macros have evolved into a powerful API for the compiler front-end. Like Lisp macros, their predecessors, Scheme macros expand source programs into a small core language; unlike Lisp systems, Scheme macro expanders preserve many desirable properties, including lexical scope and source location. Using such macros, Scheme programmers now routinely develop the ultimate abstraction: embedded domain-specific programming languages. Unfortunately, Scheme programming environments provide little support for macro development. This lack makes it difficult for programmers to debug their macros and for novices to study the behavior of macros. In response, we have developed a stepping de-bugger specialized to the concerns of macro expansion. It presents the macro expansion process as a linear rewriting sequence of an-
Keyphrases
compiler front-end lexical scope macro development macro expansion process ultimate abstraction small core language macro expansion lisp system many desirable property lisp macro source program scheme programmer source location powerful api little support scheme macro expanders domain-specific programming language scheme macro
