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Pointer Analysis for C Programs Through AST Traversal

Buss, Marcio; Edwards, Stephen A.; Yao, Bin; Waddington, Daniel

We present a pointer analysis algorithm designed for source-to-source transformations. Existing techniques for pointer analysis apply a collection of inference rules to a dismantled intermediate form of the source program, making them difficult to apply to source-to-source tools that generally work on abstract syntax trees to preserve details of the source program. Our pointer analysis algorithm operates directly on the abstract syntax tree of a C program and uses a form of standard dataflow analysis to compute the desired points-to information. We have implemented our algorithm in a source-to-source translation framework and experimental results show that it is practical on real-world examples.

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Academic Units
Computer Science
Publisher
Department of Computer Science, Columbia University
Series
Columbia University Computer Science Technical Reports, CUCS-028-05
Published Here
April 22, 2011