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ORGANIZATION.md

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Servo's directory structure:

  • components
    • bluetooth
      • Implementation of the bluetooth thread.
    • bluetooth_traits
      • APIs to the bluetooth crate for crates that don't want to depend on the bluetooth crate for build speed reasons.
    • canvas
      • Implementation of painting threads for 2D and WebGL canvases.
    • canvas_traits
      • APIs to the canvas crate for crates that don't want to depend on the canvas crate for build speed reasons.
    • compositing
      • Integration with OS windowing/rendering and event loop.
    • constellation
      • Management of resources for a top-level browsing context (ie. tab).
    • devtools
      • In-process server to allow manipulating browser instances via a remote Firefox developer tools client.
    • devtools_traits
      • APIs to the devtools crate for crates that don't want to depend on the devtools crate for build speed reasons.
    • gfx
      • Draws the result of laying out a page, and sends the result to the compositor.
    • gfx_traits
      • APIs to the gfx crate for crates that don't want to depend on the gfx crate for build speed reasons.
    • layout
      • Converts page content into positioned, styled boxes and passes the result to the renderer.
    • layout_thread
      • Runs the threads for layout, communicates with the script thread, and calls into the layout crate to do the layout.
    • msg
      • Shared APIs for communicating between specific threads and crates.
    • net
      • Network protocol implementations, and state and resource management (caching, cookies, etc.).
    • net_traits
      • APIs to the net crate for crates that don't want to depend on the net crate for build speed reasons.
    • plugins
      • Syntax extensions, custom attributes, and lints.
    • profile
      • Memory and time profilers.
    • profile_traits
      • APIs to the profile crate for crates that don't want to depend on the profile crate for build speed reasons.
    • script
      • Implementation of the DOM (native Rust code and bindings to SpiderMonkey).
    • script_layout_interface
      • The API the script crate provides for the layout crate.
    • script_traits
      • APIs to the script crate for crates that don't want to depend on the script crate for build speed reasons.
    • selectors
      • CSS selector matching.
    • servo
      • Entry points for the servo application and libservo embedding library.
    • style
      • APIs for parsing CSS and interacting with stylesheets and styled elements.
    • style_traits
      • APIs to the style crate for crates that don't want to depend on the style crate for build speed reasons.
    • util
      • Assorted utility methods and types that are commonly used throughout the project.
    • webdriver_server
      • In-process server to allow manipulating browser instances via a WebDriver client.
    • webgpu
      • Implementation of threads for the WebGPU API.
  • etc
    • Useful tools and scripts for developers.
  • mach
    • A command-line tool to help with developer tasks.
  • ports
    • winit
      • Embedding implementation for the winit windowing library.
  • python
    • servo
      • Implementations of servo-specific mach commands.
    • tidy
      • Python package of code lints that are automatically run before merging changes.
  • resources
    • Files used at run time. Need to be included somehow when distributing binary builds.
  • support
    • android
      • Libraries that require special handling for building for Android platforms
    • rust-task_info
      • Library for obtaining information about memory usage for a process
  • target
    • debug
      • Build artifacts generated by ./mach build --debug.
    • doc
      • Documentation is generated here by the rustdoc tool when running ./mach doc
    • release
      • Build artifacts generated by ./mach build --release.
  • tests
    • dromaeo
      • Harness for automatically running the Dromaeo testsuite.
    • html
      • Manual tests and experiments.
    • jquery
      • Harness for automatically running the jQuery testsuite.
    • power
      • Tools for measurement of power consumption.
    • unit
      • Unit tests using rustc’s built-in test harness.
    • wpt
      • W3C web-platform-tests and csswg-tests along with tools to run them and expected failures.

Major dependencies