aptu-coder-core 0.14.1

Multi-language AST analysis library using tree-sitter
Documentation 
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<!-- SPDX-License-Identifier: Apache-2.0 -->
<!-- SPDX-FileCopyrightText: 2026 aptu-coder contributors -->

# aptu-coder-core

Core library for code structure analysis using tree-sitter.

<p align="center">
  <a href="https://docs.rs/aptu-coder-core"><img alt="docs.rs" src="https://img.shields.io/badge/docs.rs-aptu--coder--core-66c2a5?style=flat-square&labelColor=555555&logo=docs.rs" height="20"></a>
  <a href="https://crates.io/crates/aptu-coder"><img alt="MCP server" src="https://img.shields.io/badge/MCP-aptu--coder-fc8d62?style=flat-square&labelColor=555555&logo=rust" height="20"></a>
  <a href="https://www.bestpractices.dev/projects/12275"><img alt="OpenSSF Best Practices" src="https://img.shields.io/cii/level/12275?style=for-the-badge" height="20"></a>
</p>

## Features

- **Directory analysis** - File tree with LOC, function, and class counts
- **File analysis** - Functions, classes, and imports with signatures and line ranges
- **Symbol call graphs** - Callers and callees across a directory with configurable depth
- **Module index** - Lightweight function and import index (~75% smaller than full file analysis)
- **Edit operations** - In-file edits: overwrite, exact-block replace
- **In-memory analysis** - `analyze_str` parses source text directly without a file path; returns the same `FileAnalysisOutput` as `analyze_file`
- **Multi-language** - Rust, Python, TypeScript, TSX, Go, Java, Kotlin, Fortran, JavaScript, C/C++, C#
- **Pagination** - Cursor-based pagination for large outputs
- **Caching** - LRU cache for parsed results with mtime-based invalidation
- **Parallel** - Rayon-based parallel file analysis

## Installation

Add to your `Cargo.toml`:

```toml
[dependencies]
aptu-coder-core = "*"
```

The current version is published on [crates.io](https://crates.io/crates/aptu-coder-core). Replace `"*"` with the latest version string if you prefer a pinned dependency.

## Example

```rust,no_run
use aptu_coder_core::{analyze_directory, analyze_file, analyze_str};
use std::path::Path;

fn main() -> Result<(), Box<dyn std::error::Error>> {
    // Analyze a directory
    let output = analyze_directory(Path::new("src/"), None)?;
    println!("{} files", output.files.len());

    // Analyze a single file
    let output = analyze_file("src/lib.rs", None)?;
    println!("{}", output.formatted);

    // Analyze source text in memory (no file path required)
    let source = std::fs::read_to_string("src/lib.rs")?;
    let output = analyze_str(&source, "rs", None)?;
    println!("{}", output.formatted);

    Ok(())
}
```

## Supported Languages

Rust, Python, TypeScript, TSX, Go, Java, Kotlin, Fortran, JavaScript, C/C++, C#. See the [MCP server README](https://github.com/clouatre-labs/aptu-coder/blob/main/README.md#supported-languages) for the full table with file extensions and feature flags.

## Configuration

`AnalysisConfig` provides resource limits for library consumers:

```rust
use aptu_coder_core::AnalysisConfig;

let config = AnalysisConfig {
    max_file_bytes: Some(1_000_000), // reserved, currently a no-op
    parse_timeout_micros: None,      // parse timeout in microseconds; None disables timeout
    cache_capacity: None,            // use default LRU capacity
};
```

## Support

For questions and support, visit [clouatre.ca](https://clouatre.ca/about/).

## License

Apache-2.0. See [LICENSE](https://github.com/clouatre-labs/aptu-coder/blob/main/LICENSE).