tree-sitter-noir

Tree-sitter grammar for the Noir zero-knowledge programming language.

Features

• Full syntax support for Noir language constructs
• Zero-knowledge specific syntax (constrain, assert, assert_eq)
• Comptime and unconstrained functions
• Structs, enums, traits, and impl blocks
• Generic types and turbofish syntax
• Format strings and interpolation
• Comprehensive syntax highlighting queries

Installation

npm

npm install tree-sitter-noir

Cargo

cargo add tree-sitter-noir

Usage

With tree-sitter CLI

# Parse a file
tree-sitter parse example.nr

# Run tests
tree-sitter test

Node.js

const Parser = require("tree-sitter");
const Noir = require("tree-sitter-noir");

const parser = new Parser();
parser.setLanguage(Noir);

const tree = parser.parse(`
fn main() {
    let x: Field = 5;
    assert(x == 5);
}
`);

File Types

• .nr - Noir source files

Queries

The grammar includes the following query files:

• queries/highlights.scm - Syntax highlighting
• queries/locals.scm - Local variable scoping
• queries/injections.scm - Language injections

Development

# Install dependencies
npm install

# Generate parser from grammar
npm run build

# Run tests
npm test

# Build WASM version
npm run build-wasm

License

MIT