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oai:www.ideals.illinois.edu:2142/21893 2023-07-10 col_2142_5131 col_2142_10761 com_2142_5130 com_2142_10755 com_2142_234

eng Copyright 1996 Springer, Jonathan Charles Kamin, Samuel N. Springer, Jonathan Charles 2011-05-07T13:22:25Z 2011-05-07T13:22:25Z 10000-01-01 1996 Imperative and functional programming are two styles which have long been viewed as incompatible. In particular, the functional property of referential transparency could not be maintained in the face of destructive update, as found in assignment statements. Recent work, however, has suggested that the two may be integrated in a formal system which has both imperative features and referential transparency. These systems impose certain constraints on imperative features that allow the effects to be masked out, making them appear purely functional. Despite the presence of these formal systems, many questions of practicality remain unanswered. In this thesis, we attempt to address these issues. In particular, we have created a language ALV, based on the formal system $\lambda\sb{var},$ and implemented ALV as a compiler. We have also extended a formal analysis known as abstract interpretation, typically applied to functional languages, to this language. Additionally, we have explored ways to make the use of imperative features more convenient, such as by relaxing the restrictions on the use of imperative constructs. Made available in DSpace on 2011-05-07T13:22:25Z (GMT). No. of bitstreams: 2 license.txt: 4922 bytes, checksum: 910b249b4beec47e7ab768910c8f966f (MD5) 9702672.pdf: 6855698 bytes, checksum: fc37cbdb6b36836da78a901414f9c741 (MD5) Previous issue date: 1996 Item marked as restricted to the 'UIUC Users [automated]' Group (id=2) by Howard Ding (hding2@illinois.edu) on 2011-05-07T14:53:54Z Item is restricted indefinitely. Restriction data tranferred 2014-07-01T11:24:59-05:00 Original Data Group with Access UIUC Users [automated] Release Date: none Reason: ETDs are only available to UIUC Users without author permission ETDs are only available to UIUC Users without author permission U of I Only 9780591088922 AAI9702672 (UMI)AAI9702672 http://hdl.handle.net/2142/21893 Computer Science Implementation of functional languages with state text Computer Science Computer Science University of Illinois at Urbana-Champaign Dissertation Ph.D.