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# for complete code formatting of codebase please type: | ||
# "find . -type f -regex '.*\.\(inl\|cpp\|h\|hpp\|cc\|cxx\)' -exec clang-format-4.0 -style=file -i {} \;" | ||
Language: Cpp | ||
# BasedOnStyle: LLVM | ||
AccessModifierOffset: -2 | ||
AlignAfterOpenBracket: Align | ||
AlignConsecutiveAssignments: false | ||
AlignConsecutiveDeclarations: false | ||
AlignEscapedNewlinesLeft: false | ||
AlignOperands: true | ||
AlignTrailingComments: true | ||
AllowAllParametersOfDeclarationOnNextLine: true | ||
AllowShortBlocksOnASingleLine: false | ||
AllowShortCaseLabelsOnASingleLine: false | ||
AllowShortFunctionsOnASingleLine: None | ||
AllowShortIfStatementsOnASingleLine: false | ||
AllowShortLoopsOnASingleLine: false | ||
AlwaysBreakAfterDefinitionReturnType: None | ||
AlwaysBreakAfterReturnType: None | ||
AlwaysBreakBeforeMultilineStrings: false | ||
AlwaysBreakTemplateDeclarations: true | ||
BinPackArguments: false | ||
BinPackParameters: false # If false, a function declaration's or function definition's parameters will either all be on the same line or will have one line each. | ||
BreakBeforeBraces: Custom | ||
BraceWrapping: | ||
AfterClass: true | ||
AfterControlStatement: true | ||
AfterEnum: true | ||
AfterFunction: true | ||
AfterNamespace: true | ||
AfterObjCDeclaration: true | ||
AfterStruct: true | ||
AfterUnion: true | ||
BeforeCatch: true | ||
BeforeElse: true | ||
IndentBraces: false | ||
BreakBeforeBinaryOperators: NonAssignment | ||
BreakBeforeTernaryOperators: true | ||
BreakConstructorInitializersBeforeComma: true | ||
ColumnLimit: 120 | ||
# The line below is commented because this feature is not supported in clang-format-4.0 | ||
#CompactNamespaces: true | ||
ConstructorInitializerAllOnOneLineOrOnePerLine: false | ||
ConstructorInitializerIndentWidth: 4 | ||
ContinuationIndentWidth: 4 | ||
Cpp11BracedListStyle: true | ||
DerivePointerAlignment: false | ||
DisableFormat: false | ||
ExperimentalAutoDetectBinPacking: false | ||
# The line below is commented because this feature is not supported in clang-format-4.0 | ||
#FixNamespaceComments: true | ||
IndentCaseLabels: false | ||
IndentWidth: 4 | ||
IndentWrappedFunctionNames: false | ||
KeepEmptyLinesAtTheStartOfBlocks: false | ||
MacroBlockBegin: '' | ||
MacroBlockEnd: '' | ||
MaxEmptyLinesToKeep: 2 | ||
NamespaceIndentation: None | ||
PenaltyBreakBeforeFirstCallParameter: 19 | ||
PenaltyBreakComment: 300 | ||
PenaltyBreakFirstLessLess: 120 | ||
PenaltyBreakString: 1000 | ||
PenaltyExcessCharacter: 1000000 | ||
PenaltyReturnTypeOnItsOwnLine: 60 | ||
PointerAlignment: Left | ||
ReflowComments: true | ||
SortIncludes: true | ||
SpaceAfterCStyleCast: false | ||
SpaceBeforeAssignmentOperators: true | ||
SpaceBeforeParens: ControlStatements | ||
SpaceInEmptyParentheses: false | ||
SpacesBeforeTrailingComments: 1 | ||
SpacesInAngles: false | ||
SpacesInContainerLiterals: false | ||
SpacesInCStyleCastParentheses: false | ||
SpacesInParentheses: false | ||
SpacesInSquareBrackets: false | ||
Standard: Cpp11 | ||
TabWidth: 4 | ||
UseTab: Never | ||
... | ||
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# Bug report | ||
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## Required information | ||
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**Operating system:** | ||
E.g. Ubuntu 18.04 LTS | ||
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**Compiler version:** | ||
E.g. GCC 7.4.0 | ||
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**Observed result or behaviour:** | ||
A clear and precise description of the observed result. | ||
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**Expected result or behaviour:** | ||
What do you expect to happen? | ||
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**Conditions where it occurred / Performed steps:** | ||
Describe how one can reproduce the bug. |
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# Feature request | ||
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## Brief feature description | ||
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Please describe in a few sentences what should be implemented | ||
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## Detailed information | ||
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E.g. a list of pros and cons of different considerations and how iceoryx and its user could benefit from it |
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build/ | ||
/CMakeLists.txt |
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# Contributing to Eclipse iceoryx | ||
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Thanks for your interest in this project. | ||
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## Project description | ||
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In domains like automotive, robotics or gaming, a huge amount of data must be | ||
transferred between different parts of the system. If these parts are actually | ||
different processes on a POSIX based operating system like Linux, this huge | ||
amount of data has to be transferred via an inter-process-communication (IPC) | ||
mechanism. | ||
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* https://projects.eclipse.org/projects/technology.iceoryx | ||
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## Developer resources | ||
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Information regarding source code management, builds, coding standards, and | ||
more. | ||
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* https://projects.eclipse.org/projects/technology.iceoryx/developer | ||
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The project maintains the following source code repositories | ||
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* https://github.com/eclipse/iceoryx | ||
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## Eclipse Contributor Agreement | ||
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Before your contribution can be accepted by the project team contributors must | ||
electronically sign the Eclipse Contributor Agreement (ECA). | ||
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* http://www.eclipse.org/legal/ECA.php | ||
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Commits that are provided by non-committers must have a Signed-off-by field in | ||
the footer indicating that the author is aware of the terms by which the | ||
contribution has been provided to the project. The non-committer must | ||
additionally have an Eclipse Foundation account and must have a signed Eclipse | ||
Contributor Agreement (ECA) on file. | ||
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For more information, please see the Eclipse Committer Handbook: | ||
https://www.eclipse.org/projects/handbook/#resources-commit | ||
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## Contact | ||
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Contact the project developers via the project's "dev" list. | ||
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* iceoryx-dev@eclipse.org | ||
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## Feature request and bugs | ||
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We love pull requests! The next sections try to cover most of the relevant questions. For larger contributions or | ||
architectural changes we'd kindly ask you to get in touch with one of the maintainers beforehand. If you would like to | ||
report a bug or propose a new feature, please raise an issue before raising a pull request. This makes it easier to | ||
track. Beforehand, please make sure you have: | ||
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1. Signed the [ECA](http://www.eclipse.org/legal/ECA.php) | ||
2. All commits have been commited with `git commit -s` | ||
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## Coding style | ||
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We love the [C++ core guidelines](http://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines). If in doubt please try | ||
to follow them as well as our unwritten conventions in the exisiting parts of the code base. | ||
Please format your code with the provided [clang-format](https://clang.llvm.org/docs/ClangFormat.html) and | ||
[clang-tidy](https://clang.llvm.org/extra/clang-tidy/) before raising a pull request. Lots of IDEs do read the | ||
clang-format file these days. | ||
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We created some convenient rules to highlite some bits that you might not be used to in other FOSS projects. They are | ||
helpful to build embedded systems for safety fields like automotive or avionics. It is possible that not the whole | ||
codebase follows these rules, things are work in progress. | ||
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1) **No heap is allowed**, static memory management hugely decreases the complexity of your software (e.g. cxx::vector | ||
without heap) | ||
2) **No exception are allowed**, all function and methods need to have `noexcept` in their signature | ||
3) **No undefined behavior**, zero-cost abstract is not feasible in high safety environments | ||
4) **Use C++11**, however we try to introduce C++14 as fast as possible | ||
5) **[Rule of Five](https://en.wikipedia.org/wiki/Rule_of_three_(C%2B%2B_programming))**, if there is a non-default | ||
destructor needed, the rule of five has to be applied | ||
6) **[STL](https://en.wikipedia.org/wiki/Standard_Template_Library)**, we aim to be compatible towards the STL, but | ||
our code may contain additions which are not compatible with the STL (e.g. `iox::cxx::vector::emplace_back()` | ||
does return a bool) | ||
7) **Always use `iox::log::Logger`**, instead of `printf()` | ||
8) **Always use `iox::ErrorHandler()`**, instead of the direct STL calls | ||
9) **No include guards** Till [modules](https://isocpp.org/files/papers/n4720.pdf) are arriving with C++20, we'll rely | ||
on `#pragma once` instead of the usual include guards | ||
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### Naming conventions | ||
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* File names with `lower_snake_case`: `my_thing.hpp` | ||
* Structs, classes and enum classes in `UpperCamelCase`: `class MyClass{}` | ||
* Methods and variables in `lowerCamelCase`: `uint16_t myVariable` | ||
* Compile time constants, also enum values in `UPPER_SNAKE_CASE`: `static constexpr uint16_t MY_CONSTANT` | ||
* Class members start with `m_`: `m_myMember` | ||
* Namespaces in `lower_snake_case` : `my_namespace` | ||
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### Doxygen | ||
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Please use [doxygen](http://www.doxygen.nl/) to document your code. | ||
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The following doxygen comments are required for public API headers: | ||
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/// @brief short description | ||
/// @param[in] / [out] / [in,out] name description | ||
/// @return description | ||
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## Folder structure | ||
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The folder structure boils down to: | ||
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* iceoryx_COMPONENT | ||
* cmake: All cmakes files go here, needed for `find_pkg()` | ||
* doc: Manuals and documentation | ||
* include: public headers with stable API | ||
* internal: public headers with unstable API, which might change quite frequently | ||
* source: implementation files | ||
* test: unit and integrations tests | ||
* CMakeLists.txt: Build the component separately | ||
* examples_iceoryx: Examples described in the main [Readme.md](./README.md#user-content-examples) | ||
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All new code should follow the folder structure. | ||
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## Testing | ||
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We use [Google test](https://github.com/google/googletest) for our unit and integration tests. We require compatibility | ||
with the version 1.8.1. | ||
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### Unit tests (aka module tests) | ||
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Units tests are black box tests, that test the public interface of a class. They are required for all new code. | ||
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### Integration tests | ||
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Integration tests are composition of more than one class and test their interaction. They are optional for new code. | ||
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## Legal & Compliance | ||
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### Dependencies | ||
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* [POSIX](https://en.wikipedia.org/wiki/POSIX) | ||
Iceoryx aims to be fully POSIX-compliant towards the current revision POSIX.1-2017 (IEEE 1003.1-2017). Please write | ||
your code as portable as possible. Currently our focus is [QNX](https://blackberry.qnx.com/en) and Linux. | ||
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* [ACL](https://en.wikipedia.org/wiki/Access-control_list) | ||
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* [ncurses](https://www.gnu.org/software/ncurses/) | ||
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### Safety | ||
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We aim for [ASIL-D](https://en.wikipedia.org/wiki/Automotive_Safety_Integrity_Level#ASIL_D) compliance. The | ||
[ISO262](https://en.wikipedia.org/wiki/ISO_26262) is also a good read-up if you want to learn more about automotive | ||
safety. As of now we don't have any continous integration checks implemented but will rely on reviews during the pull | ||
requests. | ||
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### Security | ||
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A good read-up on security topics with C++ is the | ||
[SEI CERT C++ Coding Standard](https://wiki.sei.cmu.edu/confluence/pages/viewpage.action?pageId=88046682). If you are | ||
unsure you can always read-up there and use it as best practise. It is possible that not the whole codebase follows | ||
these rules, things are work in progress. But this is where we want go. As of now we don't have any continous | ||
integration checks implemented but will rely on reviews during the pull requests. | ||
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### Header | ||
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Each source file needs to have this header: | ||
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// Copyright (c) [year] by [Name of author]. All rights reserved. | ||
// | ||
// Licensed under the Apache License, Version 2.0 (the "License"); | ||
// you may not use this file except in compliance with the License. | ||
// You may obtain a copy of the License at | ||
// | ||
// http://www.apache.org/licenses/LICENSE-2.0 | ||
// | ||
// Unless required by applicable law or agreed to in writing, software | ||
// distributed under the License is distributed on an "AS IS" BASIS, | ||
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
// See the License for the specific language governing permissions and | ||
// limitations under the License. |
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