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README.md

Generalising Tree Traversals and Tree Transformations to DAGs

This repository contains the source code associated with the paper "Generalising Tree Traversals and Tree Transformations to DAGs: Exploiting Sharing without the Pain" submitted to Science of Computer Programming.

The technical report containing full proofs of all theorems in the paper is found here.

Note: the associated material for the PEPM 2015 paper "Generalising Tree Traversals to DAGs" is found in the PEPM branch.

File Structure

  • The library implementation is in the src subdirectory.
  • (Parametric) attribute grammars on trees are defined in the modules AG and PAG.
  • (Parametric) attribute grammars on DAGs are defined in the modules Dag.AG and Dag.PAG.
  • bench/Bench.hs has benchmarks for evaluating the performance.
  • Use the command cabal bench to run the benchmarks. The benchmark reports are written into the reports subdirectory.
  • Examples from the paper can be found in the examples subdirectory.

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Attribute Grammars on Graphs

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