Source: https://seerepo.com/r/antlr/antlr4
Markdown source: https://seerepo.com/r/antlr/antlr4.md
Description: antlr/antlr4 is a Java repo with 234,159 lines written. SeeRepo read antlr4 and doesn't recognize any of its technologies yet.

# What's inside antlr/antlr4

antlr/antlr4 is a Java repo with 234,159 lines written. SeeRepo read antlr4 and doesn't recognize any of its technologies yet.

Its description on GitHub: “ANTLR (ANother Tool for Language Recognition) is a powerful parser generator for reading, processing, executing, or translating structured text or binary files.”

Java · BSD-3-Clause · 19,034 stars · GitHub: https://github.com/antlr/antlr4

Read on November 6, 2026, at commit 45be27d.

## More on this repo

- [What is antlr4 built with?](https://seerepo.com/r/antlr/antlr4/built): SeeRepo read antlr4 and doesn't recognize any of its technologies yet.
- [How much of antlr4 did AI write?](https://seerepo.com/r/antlr/antlr4/ai): No AI tool signed any of the 7,508 commits of antlr4.

## In figures

- 234,159 lines written: The ones people and agents wrote: product, tests, schemas and tooling. Generated code doesn’t count.
- 1,365 files: The same as the lines: product, tests, schemas and tooling. What’s generated doesn’t count.
- 151 test files: The files that test the code.
- 3 technologies: Each service with the file and line that prove it.

SeeRepo read the facts in its code and kept none of it. AI only helps sort its packages and folders by their names, and never sees its code.

## Frequently asked questions

### What is antlr/antlr4?

antlr/antlr4 is a Java repo with 234,159 lines written. Its description on GitHub: “ANTLR (ANother Tool for Language Recognition) is a powerful parser generator for reading, processing, executing, or translating structured text or binary files.”

The proof: [its page on GitHub](https://github.com/antlr/antlr4)

### What is antlr4 built with?

SeeRepo read antlr4 and doesn't recognize any of its technologies yet.

The proof: [each service with its file and line](https://seerepo.com/r/antlr/antlr4/built)

### What license does antlr4 have?

antlr4 is released under the BSD-3-Clause license.

The proof: [its page on GitHub](https://github.com/antlr/antlr4)

### How many stars does antlr4 have on GitHub?

antlr4 had 19,034 stars on GitHub on November 6, 2026.

The proof: [its page on GitHub](https://github.com/antlr/antlr4)

## Add this badge to your README

It links to this page and updates itself each time SeeRepo reads the repo.

```markdown
[![antlr/antlr4 on SeeRepo](https://seerepo.com/badge/antlr/antlr4.svg)](https://seerepo.com/r/antlr/antlr4?de=insignia)
```

## What is your repo built with?

Any public repo, with no account: https://seerepo.com/r/owner/repo/built, with the owner and name it has on GitHub.