github-linguist/linguist

Add support for IEC 61131-3 Structured Text

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#6,472 opened on Jul 12, 2023

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Description

Structured Text is a widely used language in the domain of process automation. It is standardized in IEC 61131-3. However, there are quite a lot vendor specific dialects.

Github classifies the *st files as Smalltalk. There is currently no support at all for this language, so that detection cannot be overriden

Language name

IEC-61131-3 Structured Text

URL of example repository

https://github.com/WengerAG/structured-text-utilities

URL of syntax highlighting grammar

none known

Most popular extensions

st exp (CodeSYS export)

Detected language

Smalltalk

Contributor guide

Research direction
Study the Linguist contribution guide for adding a new language. Create a new entry in lib/linguist/languages.yml with the .st and .exp extensions, and implement heuristics to distinguish from Smalltalk. Consider creating a simple grammar or using existing patterns.
Tech stack
ruby
Domain
toolingdeveloper experience
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
GitRuby
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
70