Tracing the evaluation of lazy functional languages: A model and its implementation
Paper
Watson, Richard and Salzman, Eric. 1997. "Tracing the evaluation of lazy functional languages: A model and its implementation." 3rd Asian Computing Science Conference (ASIAN 1997). Kathmandu, Nepal 09 - 11 Dec 1997 Germany. Springer. https://doi.org/10.1007/3-540-63875-X_63
| Paper/Presentation Title | Tracing the evaluation of lazy functional languages: A model and its implementation |
|---|---|
| Presentation Type | Paper |
| Authors | Watson, Richard and Salzman, Eric |
| Journal or Proceedings Title | Lecture Notes in Computer Science (Book series) |
| Journal Citation | 1345, pp. 336-350 |
| Number of Pages | 15 |
| Year | 1997 |
| Publisher | Springer |
| Place of Publication | Germany |
| ISSN | 1611-3349 |
| 0302-9743 | |
| ISBN | 354063875X |
| 9783540638759 | |
| Digital Object Identifier (DOI) | https://doi.org/10.1007/3-540-63875-X_63 |
| Web Address (URL) of Paper | https://link.springer.com/chapter/10.1007/3-540-63875-X_63 |
| Web Address (URL) of Conference Proceedings | https://link.springer.com/book/10.1007/3-540-63875-X |
| Conference/Event | 3rd Asian Computing Science Conference (ASIAN 1997) |
| Event Details | 3rd Asian Computing Science Conference (ASIAN 1997) Parent Asian Computing Science Conference Delivery In person Event Date 09 to end of 11 Dec 1997 Event Location Kathmandu, Nepal |
| Abstract | We address the problem of producing a trace of the evaluation of a program written in a lazy functional language. To avoid ambiguities and possible misunderstandings it is essential that the trace structure is defined with respect to a formally described model of program evaluation. We provide such a formal semantics for lazy evaluation of a simple lazy language, based closely on the work of Launchbury. The trace corresponds to the sequence of expression reductions defined by the evaluation model. We also present a scheme to generate a concrete trace of the evaluation of programs written in the target language, based on its semantic rules. We employ a two-step transformational approach: first transform the program so that, on execution, it generates a call-by-name trace as result, then further transform this trace to a call-by-need trace. |
| Keywords | Debugging; Functional programming; Lazy evaluation; Program transformation |
| Public Notes | There are no files associated with this item. |
| Byline Affiliations | University of Southern Queensland |
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