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The OCaml Style Checker

A style checker for OCaml language.

Overview

The OCaml Style Checker is a tool for OCaml sources. Its allows to automatically check the conformance of your code to some coding rules. ocp-lint is highly configurable and easily extensible.

Dependencies

ocp-lint is currently written for OCaml 4.02 and superior versions.

OPAM dependencies: ocp-build, menhir, yojson

You can use make opam-deps to install dependencies in the current switch.

Build Instructions

Use the following instructions:

$ make opam-deps (if you are using OPAM)
$ ./configure
$ make
$ make install

to compile and install ocp-lint on your system.

Running

Easiest Way

You can just run ocp-int in the home directory of your project, and the tool will recursively scan sub-directories, analyze your source files and report warning and/or errors. If you are using emacs, it's better to run the command inside the editor to be able to quickly jump to locations of reported errors and/or warnings.

Initialization, Global Configuration and Database

As explained above, ocp-lint is ready to work by just running one command, and without arguments. No pre-configurations or additional information are required to start using it. However, it may be better to run ocp-lint --init once to:

  • create a database (directory _olint) to store ocp-lint results and avoid useless computations when files are not modified,

  • create a global configuration file (called .ocp-lint) that you can customize for your needs.

Pre-commit Hooks

If you are using Git, it is highly preferable to add a pre-commit hook to prevent you from commiting source files for which ocp-lint reports some warning and/or errors. To do that, create a file .git/hooks/pre-commit (with execution premissions) with the following content:

#!/bin/sh

LINT=ocp-lint # or the exact path to ocp-lint

$LINT --warn-error --path <absolute/path/to/your/project>

if [ "$?" = 0 ]; then
    exit 0
else
    echo "\n/!\\ ocp-lint: please fix the warnings before commiting./!\\"
    exit 1
fi

Configuration File

TODO: give some more details

Available Analyses

TODO: give some more details

Contributing

Bug Reports

If you have some bugs, you can submit a bug report or you can fork this repository and make a pull request with a bug fix.

All contributions are welcome !

Licensing, Support and Dev on Demand

The OCaml Style Checker is a free-software. It is distributed under the terms of GNU Public Licence version 3.0. However, to keep to project alive, don't hesitate to support our development and/or maintenance. We can also develop additional plugins for your particular needs.

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Tools to manipulate source files (linting, patching, etc.)

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