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Objectionary

EO Programming Language, Its Objects, and 𝜑-Calculus
README.md

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Here are the components around the EO programming language and the 𝜑-calculus it's based on:

  • /eo is the canonical transpiler of EO programs to Java (start here!)
  • /lints is a collection of linting rules for EO
  • /eoc is a command line toolkit for compiling and running EO programs
  • /eo-lsp-server is an LSP server for EO
  • /eo-vscode is an EO plugin for VS Code
  • /eo-intellij-plugin is an EO plugin for JetBrains IDEs
  • /home is where we keep EO sources of all "canonical" objects

Our blog with recent news is here: news.eolang.org. Read our academic papers. Read the book about EO.

Our Twitter tag is #eolang. This is what Hacker News thinks about us.

If you want to discuss, join our Slack workspace and Telegram chat.

By the way, here is the list of things we still haven't had time to implement. You can help!

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  1. eo eo Public

    EOLANG, an Experimental Pure Object-Oriented Programming Language Based on 𝜑-Calculus

    Java 1.3k 175

  2. home home Public

    Centralized curated storage of all EO objects together with their unit tests

    Rust 33 12

  3. eo-intellij-plugin eo-intellij-plugin Public

    Syntax Highlighting Intellij IDEA Plugin for EO Programming Language

    Java 18 7

  4. eoc eoc Public

    Command-line toolkit for parsing, compiling, transpiling, optimizing, linking, dataizing, and running EOLANG programs

    JavaScript 29 38

Repositories

Showing 10 of 65 repositories
  • eo Public

    EOLANG, an Experimental Pure Object-Oriented Programming Language Based on 𝜑-Calculus

    objectionary/eo’s past year of commit activity
    Java 1,292 MIT 175 72 (37 issues need help) 19 Updated Oct 17, 2025
  • eo-vscode Public

    VSCode Extension for the EO Language with a Language Server

    objectionary/eo-vscode’s past year of commit activity
    TypeScript 9 MIT 4 4 (1 issue needs help) 3 Updated Oct 17, 2025
  • eolang-paper Public

    The Original Paper on the EO Programming Language and the Underlying 𝜑-Calculus

    objectionary/eolang-paper’s past year of commit activity
    TeX 7 MIT 1 3 (2 issues need help) 0 Updated Oct 17, 2025
  • jeo-maven-plugin Public

    This Maven plugin converts Java Bytecode binary files to EOLANG programs that use the "opcode" atom

    objectionary/jeo-maven-plugin’s past year of commit activity
    Java 18 MIT 6 28 (2 issues need help) 6 Updated Oct 17, 2025
  • home Public

    Centralized curated storage of all EO objects together with their unit tests

    objectionary/home’s past year of commit activity
    Rust 33 MIT 12 6 1 Updated Oct 17, 2025
  • eo-lsp-server Public

    LSP server for the EOLANG programming language: works with VS Code, Sublime Text, IntelliJ IDEA and other IDEs

    objectionary/eo-lsp-server’s past year of commit activity
    TypeScript 6 MIT 6 7 (4 issues need help) 4 Updated Oct 17, 2025
  • eoc Public

    Command-line toolkit for parsing, compiling, transpiling, optimizing, linking, dataizing, and running EOLANG programs

    objectionary/eoc’s past year of commit activity
    JavaScript 29 MIT 38 19 (7 issues need help) 13 Updated Oct 17, 2025
  • sodg-maven-plugin Public

    XMIR to SODG generator, as a Maven plugin

    objectionary/sodg-maven-plugin’s past year of commit activity
    Java 6 MIT 2 8 1 Updated Oct 17, 2025
  • lints Public

    A collection of style checkers for XMIR: they don't predict runtime errors, but prevent compilation mistakes

    objectionary/lints’s past year of commit activity
    Java 9 MIT 16 78 (32 issues need help) 25 Updated Oct 16, 2025
  • opeo-maven-plugin Public

    Maven plugin to remove Bytecode opcodes from XMIR as much as possible

    objectionary/opeo-maven-plugin’s past year of commit activity
    Java 9 MIT 3 53 10 Updated Oct 16, 2025
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