A browser for incremental programming

  • Authors:
  • Nathanael SchäRli;Andrew P. Black

  • Affiliations:
  • Software Composition Group, University of Bern, Neuruckstrasse 10, Schutzenmattstrasse 14 - Room 206, Bern 3012, Switzerland;OGI School of Science & Engineering, Oregon Health & Science University, USA

  • Venue:
  • Computer Languages, Systems and Structures
  • Year:
  • 2004

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Abstract

Much of the elegance and power of Smalltalk comes from its programming environment and tools. First introduced more than 20 years ago, the Smalltalk browser enables programmers to ''home in'' on particular methods using a hierarchy of manually-defined classifications. By its nature, this classification scheme says a lot about the desired state of the code, but little about the actual state of the code as it is being developed. We have extended the Smalltalk browser with dynamically computed virtual categories that dramatically improve the browser's support for incremental programming. We illustrate these improvements by example, and describe the algorithms used to compute the virtual categories efficiently.