39 lines
1.5 KiB
Markdown
39 lines
1.5 KiB
Markdown
<h1>Coding standard</h1>
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General
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=======
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* Use spaces, not tabs.
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* Avoid adding trailing whitespace as it creates noise in the diffs.
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Python
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------
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* Comments should not exceed 80 columns, code should not exceed 120 columns.
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* All code must be compatible with Python 2.7, 3.5, and 3.6.
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* [Pylint][pylintlink] should not give any error or warning (few exceptions
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apply with external classes like `numpy` and `pygame`, see our `.pylintrc`).
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* Python code follows [PEP8 style guide][pep8link] (use `autopep8` whenever
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possible).
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[pylintlink]: https://www.pylint.org/
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[pep8link]: https://www.python.org/dev/peps/pep-0008/
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C++
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---
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* Comments should not exceed 80 columns, code may exceed this limit a bit in
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rare occasions if it results in clearer code.
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* Compilation should not give any error or warning
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(`clang++-7 -Wall -Wextra -std=C++14 -Wno-missing-braces`).
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* The use of `throw` is forbidden, use `carla::throw_exception` instead.
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* Unreal C++ code (CarlaUE4 and Carla plugin) follow the
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[Unreal Engine's Coding Standard][ue4link] with the exception of using
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spaces instead of tabs.
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* LibCarla uses a variation of [Google's style guide][googlelink].
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* Uses of `try-catch` blocks should be surrounded by
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`#ifndef LIBCARLA_NO_EXCEPTIONS` if the code is used in the server-side.
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[ue4link]: https://docs.unrealengine.com/latest/INT/Programming/Development/CodingStandard/
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[googlelink]: https://google.github.io/styleguide/cppguide.html
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