github-linguist/linguist

Add Language: USD

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#6,383 opened on Apr 19, 2023

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Description

Language name

USD, developed by Pixar Animation Studios

URL of example repository

https://github.com/PixarAnimationStudios/USD - Example

https://github.com/ColinKennedy/USD-Cookbook - See any **/usda folder for examples. Here's an example

URL of syntax highlighting grammar

Tree-sitter

https://github.com/ColinKennedy/tree-sitter-usd

VSCode

https://github.com/AnimalLogic/AL_usd_vscode_extension

Pygments

General Syntax List Of Keywords Full disclosure, I wrote this lexer and it isn't perfect (for example, not catching .connect as part of an attribute name). Screenshot of what the looks like, here

Text Editors

A simpler, regex-based example Vim's example some small issues in my experience but it works pretty well overall

Most popular extensions

Grammar Features

This gist shows a fairly complex USD file and some of its syntax features.

Detected language

None

Contributor guide

Research direction
Read the Linguist contributing guide, examine existing language definitions like 'example.rb', and adapt the provided Tree sitter grammar or VSCode extension to create a new language definition for USD. Test with the sample files.
Tech stack
ruby
Domain
developer experiencetooling
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
Half day
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Fresh
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Mostly clear
Prerequisites
GitRuby
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
65