tree-sitter-blazor

Tree-sitter grammar for Blazor/Razor syntax (.razor and .cshtml files).

Overview

This crate provides a tree-sitter grammar for parsing Blazor and Razor template syntax, enabling code analysis, syntax highlighting, and tooling support for ASP.NET Blazor applications.

Features

Parse .razor and .cshtml files
Support for Blazor component syntax
HTML and C# code mixing
Directive parsing (@page, @code, @inject, etc.)
Component parameters and events

Usage

Add this to your Cargo.toml:

[dependencies]
tree-sitter-blazor = "0.1"
tree-sitter = "0.20"

Example

use tree_sitter::{Parser, Language};

extern "C" { fn tree_sitter_blazor() -> Language; }

fn main() {
    let mut parser = Parser::new();
    let language = unsafe { tree_sitter_blazor() };
    parser.set_language(&language).expect("Error loading Blazor grammar");
    
    let source_code = r#"
        @page "/counter"
        <h1>Counter</h1>
        <button @onclick="IncrementCount">Click me</button>
    "#;
    
    let tree = parser.parse(source_code, None).unwrap();
    println!("{}", tree.root_node().to_sexp());
}

Development

This grammar is part of the Coraline code graph indexer project.

Building

cargo build --release

Testing

cargo test

Grammar Definition

The grammar is defined in grammar.js and follows the tree-sitter grammar format. See the tree-sitter documentation for more information on creating and modifying grammars.

License

MIT - See LICENSE file for details.

Contributing

Contributions are welcome! Please open an issue or pull request on GitHub.

tree-sitter-blazor 0.1.3