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30 lines
1.4 KiB
Markdown
30 lines
1.4 KiB
Markdown
# Coding style
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## Use these tools to find and fix issues.
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- Use `clang-format` to format the code.
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- Use `clang-tidy` to check the code for other potential issues.
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## Follow these guidelines while writing code.
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- **Indentation** : 2 spaces, no tabulation
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- **Opening brace** at the end of the line
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- **Naming** : Choose self-describing variable name
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- **class** : PascalCase
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- **namespace** : PascalCase
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- **variable** : camelCase, **no** prefix/suffix (`_`, `m_`,...) for class members
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- **Include guard** : `#pragma once` (no `#ifdef __MODULE__ / #define __MODULE__ / #endif`)
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- **Includes** :
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- files from the project : `#include "relative/path/to/the/file.h"`
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- external files and std : `#include <file.h>`
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- use includes relative to included directories like `src`, not relative to the current file. Don't do: `#include "../file.h"`
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- Only use [primary spellings for operators and tokens](https://en.cppreference.com/w/cpp/language/operator_alternative)
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- Use `auto` sparingly. Don't use `auto` for [fundamental/built-in types](https://en.cppreference.com/w/cpp/language/types) and [fixed width integer types](https://en.cppreference.com/w/cpp/types/integer), except when initializing with a cast to avoid duplicating the type name.
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```c++
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// Examples:
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auto* app = static_cast<DisplayApp*>(instance);
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auto number = static_cast<uint8_t>(variable);
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uint8_t returnValue = MyFunction();
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```
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- Use `nullptr` instead of `NULL`
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