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visual-graphrewrite: Visualize the graph-rewrite steps of a Haskell program

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Visualize the graph-rewrite steps of a Haskell program. Currently it only shows the right-hand-sides of rewrite rules (function alternatives).

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Modules

  • GraphRewrite
    • Internal
      • GraphRewrite.Internal.Convert
      • GraphRewrite.Internal.DeltaFunctions
      • GraphRewrite.Internal.Rename
      • GraphRewrite.Internal.Rewrite
      • GraphRewrite.Internal.RewriteApp
      • GraphRewrite.Internal.RewriteTypes
      • GraphRewrite.Internal.SimpleHaskell

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Versions [RSS] 0.3, 0.3.1, 0.3.2, 0.4.0.1
Dependencies base (>=4.1.0.0 && <4.2), cairo (>=0.10.0), containers (>=0.2.0.0), directory (>=1.0.0.3), fgl (>=5.4.2.2 && <5.5), glade (>=0.10.0), graphviz (>=2999.1.0 && <3000), gtk (>=0.10.0), haskell-src (>=1.0.1.2), ipprint (>=0.3), isevaluated (>=0.3), lazysmallcheck (>=0.3), parallel (>=1.1.0.1), pretty (>=1.0.1.0), process (>=1.0.1.1), strict-concurrency (>=0.2.1), svgcairo (>=0.10.0), value-supply (>=0.5) [details]
Tested with ghc ==6.10.2
License BSD-3-Clause
Author Zsolt Dollenstein
Maintainer zsol@elte.hu
Category Development
Home page http://github.com/zsol/visual-graphrewrite/
Bug tracker http://github.com/zsol/visual-graphrewrite/issues
Uploaded by ZsoltDollenstein at 2010-06-07T20:03:35Z
Distributions
Reverse Dependencies 1 direct, 0 indirect [details]
Executables visual-graphrewrite
Downloads 3166 total (15 in the last 30 days)
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Status Docs not available [build log]
All reported builds failed as of 2016-12-29 [all 6 reports]

Readme for visual-graphrewrite-0.4.0.1

[back to package description] 
This tool intended to help the graph rewriting process of Haskell expressions.

This is the initial/experimental version.
Usage:
 ./rewrite <Haskell source file>

- The program reads the source, which can contain only simple function definitions.
  The following definitions may be used: (++), div, mod, eqInt, not, Cons, Nil, succ, True, False, sin.
- The source is converted into a graph rewrite system.
- The program opens a window.
  Press space to see the right-hand-sides of the graph rewrite rules.

Short term plans (this version is expected at the end of May):
- Allow data declarations.
- Allow more built-in functions.

Future plans:
- Allow type classes.
- Allow module imports.
- Allow partial applications and slices.
- Better handling of higher order functions.
- Pattern parsing improvements.
- Read the Prelude.
- Extend to work with any Haskell 98 source file.
- Control the graph rewrite process (control over which functions are atomic).
- Control the visualization of the graph (some parts will be folded).