Adding CONTRIBUTING.md so that github shows it on issues.
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Ben Vanik
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# Content Guidelines
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The issue tracker is exclusively for filing and discussing bugs, feature
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requests, and tracking work items. It is not for technical support or general
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discussion. Avoid discussing any illegal activity, such as downloading games.
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**Repeated misuses will result in a permanent project ban.**
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## Information Sourcing
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All information in xenia has been derived from reverse engineering legally-owned
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games, hardware, and tools made public by Microsoft (such as the XNA Game Studio
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tooling), scouring documentation made public by Microsoft (such as slide decks
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and other presentations at conferences), and information from code made public
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by 3rd party companies (like the Valve SDKs).
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The official Microsoft Xbox Development Kits (XDKs) are not to be used for any
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information added to the project. The contributors do not want the XDKs, nor do
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they want any information derived from them. The challenge of the project is
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what makes it fun! Poisoning the codebase with code obtained by shady means
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could result in the project being terminated, so just don't do it.
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**Posting any information directly from an XDK will result in a project ban.**
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# Contributing Code
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## Style Guide
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Please read over [style_guide.md](style_guide.md) before sending pull requests
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and ensure your code is clean as the buildbot (or I) will make you to fix it :)
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[style_guide.md](style_guide.md) has information about using `xb format` and
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various IDE auto formatting tools so that you can avoid having to clean things
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up later, so be sure to check it out.
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Basically: run `xb format` before you add a commit and you won't have a problem.
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## Clean Git History
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Tools such as `git bisect` are used on the repository regularly to check for and
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identify regressions. Such tools require a clean git history to function
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properly. Incoming pull requests must follow good git rules, the most basic of
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which is that individual commits add functionality in somewhat working form and
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fully compile and run on their own. Small pull requests with a single commit are
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best, however multiple commits in a pull request are allowed only if they are
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kept clean. If not, you will be asked to rebase them (and if you don't know what
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that means, avoid getting into that situation ;).
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Example of a bad commit history:
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* Adding audio callback, random file loading, networking, etc. (+2000 lines)
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* Whoops.
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* Fixing build break.
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* Fixing lint errors.
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* Adding audio callback, second attempt.
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* ...
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Histories like this make it extremely difficult to check out any individual
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commit and know that the repository is in a good state. Rebasing,
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cherry-picking, or splitting your commits into separate branches will help keep
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things clean and easy.
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# License
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All xenia code is licensed under the 3-clause BSD license as detailed in
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[LICENSE](LICENSE). Code under `third_party/` is licensed under its original
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license.
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Incoming code in pull requests are subject to the xenia [LICENSE](LICENSE).
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Once code comes into the codebase it is very difficult to ever fully remove so
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copyright is ascribed to the project to prevent future disputes such as what
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occurred in [Dolphin](https://dolphin-emu.org/blog/2015/05/25/relicensing-dolphin/).
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That said: xenia will never be sold, never be made closed source, and never
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change to a fundamentally incompatible license.
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Any `third_party/` code added will be reviewed for conformance with the license.
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In general, GPL code is forbidden unless it is used exclusively for
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development-time tooling (like compiling). LGPL code is strongly discouraged as
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it complicates building. Unless extremely trivial (such as )
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@ -1,7 +0,0 @@
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Contributors
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------------
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Names should be added to this file like so: `Name or Organization <email address>`
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* Ben Vanik <ben.vanik@gmail.com>
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* x1nixmzeng <x1nixmzeng@live.co.uk>
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2
LICENSE
2
LICENSE
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@ -1,4 +1,4 @@
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Copyright (c) 2013, Ben Vanik.
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Copyright (c) 2015, Ben Vanik.
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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20
README.md
20
README.md
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@ -16,6 +16,8 @@ Please check the [frequently asked questions](http://xenia.jp/faq/) page before
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asking questions. We've got jobs/lives/etc, so don't expect instant answers.
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Discussing illegal activities will get you banned. No warnings.
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**Before contributing code or issues be sure to read [CONTRIBUTING.md](CONTRIBUTING.md).**
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## Status
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Buildbot:
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@ -25,7 +27,9 @@ Project tracker:
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[](http://waffle.io/benvanik/xenia)
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[](http://waffle.io/benvanik/xenia)
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Some real games run. Most don't. Don't ask if GTA or whatever runs. [Game compatibility list](https://github.com/xenia-project/game-compatibility/issues).
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Some real games run. Most don't. Don't ask if GTA or whatever runs.
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See the [Game compatibility list](https://github.com/xenia-project/game-compatibility/issues)
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for currently tracked games.
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## Disclaimer
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@ -42,20 +46,29 @@ Windows 8.1+ with Python 2.7 and [Visual Studio 2015](https://www.visualstudio.c
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> git clone https://github.com/benvanik/xenia.git
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> cd xenia
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> xb setup
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# Pull latest changes, rebase, and update submodules and premake:
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> xb pull
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# Build on command line:
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> xb build
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# Run premake and open Visual Studio (run the 'xenia-app' project):
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> xb devenv
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# Run premake to update the sln/vcproj's:
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> xb premake
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# Format code to the style guide:
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> xb format
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When fetching updates use `xb pull` to automatically fetch everything and
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run premake for project files/etc.
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## Building
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See [building](docs/building.md) for setup and information about the
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`xb` script. When writing code, check the [style guide](docs/style_guide.md)
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See [building.md](building.md) for setup and information about the
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`xb` script. When writing code, check the [style guide](style_guide.md)
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and be sure to run clang-format!
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## Contributors Wanted!
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@ -69,6 +82,7 @@ that there are some major work areas still untouched:
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* Help work through missing functionality/bugs in game [compat](https://github.com/benvanik/xenia/issues?labels=compat)
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* Add input drivers for [PS4 controllers](https://github.com/benvanik/xenia/issues/60) (or anything else)
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* Skilled with Linux? A strong contributor is needed to [help with porting](https://github.com/benvanik/xenia/labels/cross%20platform)
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See more projects [good for contributors](https://github.com/benvanik/xenia/issues?labels=good+for+contributors&page=1&state=open). It's a good idea to ask on IRC/the bugs before beginning work
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on something.
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@ -1,9 +1,5 @@
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# CPU Documentation
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## Alloy
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TODO
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## Memory Management
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TODO
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@ -16,15 +16,6 @@ will relocate the x64 when placing it in memory, which will be at a different
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location each time. Instead it would be nice to have the xbyak `calcJmpAddress`
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that performs the relocations use the address of our choosing.
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### Stack Walking
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Currently the Windows/VC++ dbghelp stack walking is relied on, however this is
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not portable, is slow, and cannot resolve JIT'ed symbols properly. Having our
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own stack walking code that could fall back to dbghelp (via some pluggable
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system) for host symbols would let us quickly get stacks through host and guest
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code and make things like sampling profilers, kernel callstack tracing, and
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other features possible.
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### Sampling Profiler
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Once we have stack walking it'd be nice to take something like
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# Debugger
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## Protocol
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Framed messages:
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```
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[4b type] (0=request, 1=notification, etc)
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[4b content source id]
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[4b request/response id]
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[4b size]
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[payload]
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```
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## Content Sources
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### `xe::dbg::sources::MemorySource`
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[ ] Paged view into memory
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[ ] Search operations
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[ ] Live streaming updates
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[ ] Writes
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### `xe::dbg::sources::ProcessorSource`
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[ ] Thread list
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[ ] State read/write (per thread)
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[ ] Modules
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[ ] Statistics
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[ ] Basic control (pause/resume)
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[ ] Breakpoints/checkpoints/traces
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[ ] Trace stream
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### `xe::dbg::sources::ModuleSource`
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[ ] Paged view into all symbols
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[ ] Get function contents (data, disasm, llvm, x86, etc)
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@ -2,7 +2,8 @@
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The style guide can be summed up as 'clang-format with the Google style set'.
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In addition, the [Google Style Guide](http://google-styleguide.googlecode.com/svn/trunk/cppguide.xml)
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is followed and cpplint is the source of truth.
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is followed and cpplint is the source of truth. When in doubt, defer to what
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code in the project already does.
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Base rules:
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@ -10,18 +11,38 @@ Base rules:
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* LF (Unix-style) line endings
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* 2-space soft tabs, no TABs!
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* [Google Style Guide](http://google-styleguide.googlecode.com/svn/trunk/cppguide.xml) for naming/casing/etc
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* Sort includes according to the [style guide rules](http://google-styleguide.googlecode.com/svn/trunk/cppguide.html#Names_and_Order_of_Includes)
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* Comments are properly punctuated (that means capitalization and periods, etc)
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* TODO's must be attributed like `// TODO(yourgithubname): foo.`
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Code that really breaks from the formatting rules will not be accepted, as then
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no one else can use clang-format on the code without also touching all your
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lines.
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### Why?
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To quote the [Google Style Guide](http://google-styleguide.googlecode.com/svn/trunk/cppguide.xml):
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```
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One way in which we keep the code base manageable is by enforcing consistency.
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It is very important that any programmer be able to look at another's code and
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quickly understand it. Maintaining a uniform style and following conventions
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means that we can more easily use "pattern-matching" to infer what various
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symbols are and what invariants are true about them. Creating common, required
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idioms and patterns makes code much easier to understand. In some cases there
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might be good arguments for changing certain style rules, but we nonetheless
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keep things as they are in order to preserve consistency.
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```
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## Buildbot Verification
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The buildbot runs `xb lint --all` on the master branch, and will run
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`xb lint --origin` on pull requests. Run `xb format` before you commit each
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local change so that you are consistently clean, otherwise you may have to
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rebase. If you forget, run `xb format --origin` and rebase your changes (so you
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don't end up with 5 changes and then a 6th 'whoops' one - that's nasty).
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The buildbot is running LLVM 3.6.1. If you are noticing style differences
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The buildbot is running LLVM 3.8.0. If you are noticing style differences
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between your local lint/format and the buildbot, ensure you are running that
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version.
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