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Showing content from https://github.com/Unity-Technologies/uncrustify/tree/fixes/c-oc-java below:

GitHub - Unity-Technologies/uncrustify at fixes/c-oc-java

A source code beautifier for C, C++, C#, ObjectiveC, D, Java, Pawn and VALA

• highly configurable - __608 configurable options as of version 0.66

• add/remove spaces
  • sp_before_sparen: Add or remove space before '(' of 'if', 'for', 'switch', 'while', etc.
  • sp_compare: Add or remove space around compare operator '<', '>', '==', etc

• add/remove newlines
  • nl_if_brace: Add or remove newline between 'if' and '{'
  • nl_brace_while: Add or remove newline between '}' and 'while' of 'do' statement

• add/remove blanklines
  • eat_blanks_before_close_brace: Whether to remove blank lines before '}'
  • nl_max: The maximum consecutive newlines (3 = 2 blank lines)

• indent code
  • indent_switch_case: indent_switch_case: Spaces to indent 'case' from 'switch'
  • indent_class_colon: Whether to indent the stuff after a leading base class colon

• align code
  • align_func_params: Align variable definitions in prototypes and functions
  • align_struct_init_span: The span for aligning struct initializer values (0=don't align)

• modify code
  • mod_full_brace_for: Add or remove braces on single-line 'for' statement
  • mod_paren_on_return: Add or remove unnecessary paren on 'return' statement

Here is an example configuration file, and here is a before and after C source example. That should give you a pretty good idea of what Uncrustify can do.

Pre compiled binaries for Windows can be downloaded here.

CMake is a tool that generates build systems (Makefiles, Visual Studio project files, Xcode project files and others).

To generate a build system for Uncrustify using CMake, create a build folder and run CMake from it:

$ mkdir build
$ cd build
$ cmake ..

(Use cmake -G Xcode .. for Xcode)

Then use the build tools of your build system (in many cases this will simply be make, but on Windows it could be MSBuild or Visual Studio). Or use CMake to invoke it:

If testing is enabled, CMake generates a test target, which you can build using your build system tools (usually make test). This can also be invoked using CTest:

There is also an install target, which can be used to install the Uncrustify executable (typically make install).

Some build systems are single-configuration, which means you specify the build type when running CMake (by setting the CMAKE_BUILD_TYPE variable), and the generated files then build that configuration.

An example of a single-configuration build system are Makefiles. You can build the Release configuration of Uncrustify (from the build folder) with:

$ cmake -DCMAKE_BUILD_TYPE=Release ..
$ make

Other build systems are multi-configuration, which means you specify the build type when building.

An example of a multi-configuration build system are Visual Studios project files. When you open the project in Visual Studio, you can select which configuration to build. You can also do this while building from the command line with cmake --build . --config Release.

Post any bugs to the issue tracker found on the projects GitHub page: https://github.com/uncrustify/uncrustify/issues

Please include the following with your issue:

• a description of what is not working right
• input code sufficient to demonstrate the issue
• expected output code
• configuration options used to generate the output

More about this is in the ISSUE_TEMPLATE

Look at the Wiki

Look here

If you want to add a feature, fix a bug, or implement missing functionality, feel free to do so! Patches are welcome! Here are some areas that need attention:

• Patches for Objective-C support. We really need someone who knows this language as it has more than plenty open issues. A good starting point would be to integrate changes made in the Unity fork
• Test Java support and provide feedback (or patches!)
• Test Embedded SQL to see what works
• A logo of some sort
• Anything else that you want to do to make it better?

Firstly take a look at the CONTRIBUTING.md

Currently we have two continuous integration systems that test your PRs, TravisCI and Appveyor. Tested are the test cases, the formatting of the code base and the output of the command line options.

Test cases can be found in the tests/ directory. Every file ending with .test is a test set. Inside each line with these components is a single test: testNr[!] testConfigFileName testInputFileName [lang]

The configuration file testConfigFileName has to be located inside tests/config, the input file testInputFileName inside tests/input/<testSetName>/, and expected results file inside the tests/output/<testSetName>/ directory. Expected results have the following naming convention: testNr-testConfigFileName.

Optionally a ! can follow the testNr to enable a custom rerun configuration. Rerun configurations need to be named like this: testConfigFileName(without extension)+.rerun+.exension

Also, optionally a language for the input can be provided with lang.

The codebase has to be formatted by the options set up in forUncrustifySources.cfg. Failing to format the sources correctly will cause TravisCI build failures.

The Command line interface (CLI) output is tested by the test_cli_options.sh script. It is located inside of tests/cli/ and operates on the subdirectories of that folder.

If a PR is altering the CLI output, files inside those directories might need to be manually updated. This often happens when options are added, removed or altered. Keep in mind that the version string line (example: # Uncrustify-0.65_f) of outputs from commands like --show-config should be replaced with a blank line.

We are pretty sure that nothing OS-specific is used in the code base. The software has been previously tested on the following operating systems:

• Linux
• QNX
• OS X
• FreeBSD, NetBSD, OpenBSD
• Sun Solaris 9
• Windows XP (binary available)

NOTE This application works reasonably well but it has bugs. Do not apply it on your whole codebase without checking the results!

Here are ways to run it:

$ uncrustify -c mystyle.cfg -f somefile.c -o somefile.c.unc
$ uncrustify -c mystyle.cfg -f somefile.c > somefile.c.unc
$ uncrustify -c mystyle.cfg somefile.c
$ uncrustify -c mystyle.cfg --no-backup somefile.c
$ uncrustify -c mystyle.cfg *.c
$ uncrustify -c mystyle.cfg --no-backup *.c

The -c flag selects the configuration file. The -f flag specifies the input file. The -o flag specifies the output file. If flag -f is used without flag -o the output will be send to stdout.

Alternatively multiple or single files that should be processed can be specified at the command end without flags. If the flag --no-backup is missing, every file saved with the initial name and an additional suffix (can be changed with --suffix).

For more options descriptions call:

Uncrustify usually reads configuration files that are passed via the -c flag. If the flag is not provided Uncrustify will try to find a configuration file via the UNCRUSTIFY_CONFIG environment variable or a file with the name uncrustify or .uncrustify in your home folder.

To get a list of:

• all available options use:

• all available options in a usable configuration file format use:

  uncrustify --update-config

  or

  uncrustify --update-config-with-doc

  As the names suggest both options can produce output that adds newly introduced options to your old configuration file. For this your old configuration file has to be passed via the -c flag:

  uncrustify --update-config-with-doc -c path/to/your.cfg

Example configuration files that can be used as a starting point can be found in the etc/ directory (such as ben.cfg).

Modify to your liking. Use a quality side-by-side diff tool to determine if the program did what you wanted. Repeat until your style is refined.

To ease the process a bit, some 3rd party tools are available:

• Universal Indent GUI - A cross-platform graphical configuration file editor for many code beautifiers, including Uncrustify.
• uncrustify_config - A web configuration tool based on Uncrustifys emscripten interface.
• UncrustifyX - Uncrustify utility and documentation browser for Mac OS X

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