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argon: Measure your code's complexity

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Argon performs static analysis on your code in order to compute cyclomatic complexity. It is a quantitative measure of the number of linearly indipendent paths through the code.

The intended usage is through Argon's executable, which accepts a list of file paths to analyze. The data can be optionally exported to JSON.

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Versions [RSS] 0.1.0.0, 0.2.0.0, 0.3.0.0, 0.3.1.0, 0.3.1.1, 0.3.1.2, 0.3.2.0, 0.4.0.0, 0.4.1.0, 0.4.2.0
Change log CHANGELOG.md
Dependencies aeson (>=0.8 && <0.11), ansi-terminal (>=0.6), argon, base (>=4.7 && <5), bytestring (>=0.10), containers (>=0.5), directory (>=1.2), docopt (>=0.7), filepath (>=1.4), ghc (>=7.10.2 && <8), ghc-paths (>=0.1), pathwalk (>=0.3), syb (>=0.5) [details]
License ISC
Copyright 2015 Michele Lacchia
Author Michele Lacchia
Maintainer michelelacchia@gmail.com
Revised Revision 1 made by phadej at 2016-02-10T09:00:42Z
Category Web
Home page http://github.com/rubik/argon
Bug tracker http://github.com/rubik/argon/issues
Source repo head: git clone https://github.com/rubik/argon
Uploaded by rubik at 2015-10-27T16:47:50Z
Distributions
Executables argon
Downloads 7366 total (10 in the last 30 days)
Rating 2.0 (votes: 1) [estimated by Bayesian average]
Your Rating
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Status Docs available [build log]
Last success reported on 2015-10-30 [all 1 reports]

Readme for argon-0.3.0.0

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Argon

Tests License Version

Argon measures your code's cyclomatic complexity.

Argon screenshot

Installing

Simple as stack install argon or cabal install argon.

Running

The Argon executable expects a list of file paths:

$ argon --no-color src/**/*.hs
src/Argon/Formatters.hs
    47:1 formatResult - 3
    33:1 coloredFunc - 2
    27:1 fore - 1
    37:1 coloredRank - 1
src/Argon/Parser.hs
    51:1 parseCode - 2
    44:1 handleExc - 1
src/Argon/Results.hs
    17:1 filterResults - 2
    22:1 export - 2
src/Argon/Visitor.hs
    35:1 visitExp - 5
    42:1 visitOp - 4
    14:1 funCC - 3
    16:11 name - 2
    11:1 funcsCC - 1
    20:1 sumWith - 1
    23:1 complexity - 1
    28:11 descend - 1
    32:11 inspect - 1

For every file, Argon sorts results with the following criteria (and in this order):

* complexity (descending)
* line number (ascending)
* alphabetically

When colors are enabled (default), Argon computes a rank associated with the coomplexity score:

Complexity Rank
0..5 A
5..10 B
above 10 C

JSON

Results can also be exported to JSON:

$ argon --json src/**/*.hs
[
  {
    "blocks": [
      { "complexity": 3, "name": "formatResult", "lineno": 58, "col": 1 },
      { "complexity": 2, "name": "coloredFunc", "lineno": 39, "col": 1 },
      { "complexity": 1, "name": "fore", "lineno": 33, "col": 1 },
      { "complexity": 1, "name": "coloredRank", "lineno": 43, "col": 1 },
      { "complexity": 1, "name": "formatSingle", "lineno": 52, "col": 1 }
    ],
    "path": "src/Argon/Formatters.hs",
    "type": "result"
  },
  { "blocks": [ ], "path": "src/Argon.hs", "type": "result" },
  {
    "blocks": [
      { "complexity": 2, "name": "parseCode", "lineno": 55, "col": 1 },
      { "complexity": 1, "name": "handleExc", "lineno": 48, "col": 1 }
    ],
    "path": "src/Argon/Parser.hs",
    "type": "result"
  },
  {
    "blocks": [
      { "complexity": 3, "name": "export", "lineno": 35, "col": 1 },
      { "complexity": 2, "name": "filterResults", "lineno": 28, "col": 1 },
      { "complexity": 1, "name": "sortOn", "lineno": 12, "col": 1 }
    ],
    "path": "src/Argon/Results.hs",
    "type": "result"
  },
  {
    "blocks": [
      { "complexity": 2, "name": "toJSON", "lineno": 30, "col": 5 },
      { "complexity": 1, "name": "toJSON", "lineno": 18, "col": 5 }
    ],
    "path": "src/Argon/Types.hs",
    "type": "result"
  },
  {
    "blocks": [
      { "complexity": 5, "name": "visitExp", "lineno": 36, "col": 1 },
      { "complexity": 4, "name": "visitOp", "lineno": 43, "col": 1 },
      { "complexity": 3, "name": "funCC", "lineno": 15, "col": 1 },
      { "complexity": 2, "name": "name", "lineno": 17, "col": 11 },
      { "complexity": 1, "name": "funcsCC", "lineno": 12, "col": 1 },
      { "complexity": 1, "name": "sumWith", "lineno": 21, "col": 1 },
      { "complexity": 1, "name": "complexity", "lineno": 24, "col": 1 },
      { "complexity": 1, "name": "descend", "lineno": 29, "col": 11 },
      { "complexity": 1, "name": "inspect", "lineno": 33, "col": 11 }
    ],
    "path": "src/Argon/Visitor.hs",
    "type": "result"
  }
]