servo/ORGANIZATION.md

Servo code organization

Servo components

• components/servo: Servo main program.
• components/servo/main.rs: Servo's entry point.
• components/servo/lib.rs: libservo entry point.
• components/canvas: HTML canvas graphics operations.
• components/compositing: The compositor and windowing systems.
• components/devtools: Server for remote Firefox developer tools.
• components/gfx: Graphics rendering, fonts, and text shaping.
• components/layout: The layout system.
• components/msg: Message structure definitions for inter-task communication.
• components/net: Networking, caching, image decoding.
• components/plugins: Various compiler plugins and macros used by the rest of Servo.
• components/script: The JavaScript and DOM systems.
• components/style: The CSS styling system.
• components/util: Various utility functions used by other Servo components.
• components/*_traits: Trait definitions to break crate dependencies.

Supporting libraries

These libraries are either internal but used by Servo or external and need special integration:

• support/android: Android-specific infrastructure.
• support/android-rs-glue: Android apk builder.
• support/rust-task_info: A binding to the task_info library on OS X.

Tests

• tests/reftest.rs: Reference (layout) test runner.
• tests/ref: Reference tests.
• tests/html: Manual test cases and examples.
• tests/power: Tests for measuring power usage.
• [tests/heartbeats][tests/heartbeats]: Tests for profiler-level timing and energy behavior.
• tests/wpt: Web platform tests and harness.

Miscellaneous

• etc: Various scripts and files that don't belong anywhere else.
• etc/patches: Patches for upstream libraries.