Higher-Order and Symbolic Computation

, Volume 18, Issue 3–4, pp 245–269 | Cite as

Selectors Make Set-Based Analysis Too Hard

  • Philippe Meunier
  • Robert Bruce Findler
  • Paul Steckler
  • Mitchell Wand
Article
  • 28 Downloads

Abstract

A set-based program analysis establishes constraints between sets of abstract values for all expressions in a program. Solving the system of constraints produces a conservative approximation to the program's runtime flow of values.

Some practical set-based analyses use explicit selectors to extract the relevant values from an approximation set. For example, if the analysis needs to determine the possible return values of a procedure, it uses the appropriate selector to extract the relevant component from the abstract representation of the procedure.

In this paper, we show that this selector-based approach complicates the constraint solving phase of the analysis too much and thus fails to scale up to realistic programming languages. We demonstrate this claim with a full-fledged value flow analysis for case-lambda, a multi-branched version of lambda. We show how both the theoretical underpinnings and the practical implementation become too complex. In response, we present a variant of set-based closure analysis that computes equivalent results in a much more efficient manner.

Keywords

set-based analysis program analysis static debugging Scheme 

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Copyright information

© Springer Science + Business Media, Inc. 2005

Authors and Affiliations

  • Philippe Meunier
    • 1
  • Robert Bruce Findler
    • 2
  • Paul Steckler
    • 1
  • Mitchell Wand
    • 1
  1. 1.College of Computer and Information ScienceNortheastern UniversityBoston
  2. 2.Department of Computer ScienceUniversity of ChicagoChicago

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