# Oak Julia Parser
[](https://crates.io/crates/oak-julia)
[](https://docs.rs/oak-julia)
High-performance incremental Julia parser for the oak ecosystem with flexible configuration, optimized for scientific computing and data analysis.
## 🎯 Overview
Oak Julia is a robust parser for Julia, designed to handle complete Julia syntax including modern features. Built on the solid foundation of oak-core, it provides both high-level convenience and detailed AST generation for scientific computing and data analysis.
## ✨ Features
- **Complete Julia Syntax**: Supports all Julia features including modern specifications
- **Full AST Generation**: Generates comprehensive Abstract Syntax Trees
- **Lexer Support**: Built-in tokenization with proper span information
- **Error Recovery**: Graceful handling of syntax errors with detailed diagnostics
## 🚀 Quick Start
Basic example:
```rust
use oak_core::{Parser, SourceText, parser::session::ParseSession};
use oak_julia::{JuliaParser, JuliaLanguage};
fn main() -> Result<(), Box<dyn std::error::Error>> {
let mut session = ParseSession::<JuliaLanguage>::default();
let parser = JuliaParser::new();
let source = SourceText::new(r#"
function fibonacci(n)
if n <= 1
return n
else
return fibonacci(n-1) + fibonacci(n-2)
end
end
println(fibonacci(10))
"#);
let result = parser.parse(&[], &mut session);
println!("Parsed Julia successfully.");
Ok(())
}
```
## 📋 Parsing Examples
### Function Parsing
```rust
use oak_core::{Parser, SourceText, parser::session::ParseSession};
use oak_julia::{JuliaParser, JuliaLanguage};
let mut session = ParseSession::<JuliaLanguage>::default();
let parser = JuliaParser::new();
let source = SourceText::new(r#"
function greet(name::String)
println("Hello, $name!")
end
"#);
let result = parser.parse(&[], &mut session);
println!("Function parsed successfully.");
```
### Type Parsing
```rust
use oak_core::{Parser, SourceText, parser::session::ParseSession};
use oak_julia::{JuliaParser, JuliaLanguage};
let mut session = ParseSession::<JuliaLanguage>::default();
let parser = JuliaParser::new();
let source = SourceText::new(r#"
struct Person
name::String
age::Int
Person(name::String) = new(name, 0)
end
"#);
let result = parser.parse(&[], &mut session);
println!("Type parsed successfully.");
```
## 🔧 Advanced Features
### Token-Level Parsing
```rust
use oak_core::{Parser, SourceText, parser::session::ParseSession};
use oak_julia::{JuliaParser, JuliaLanguage};
let mut session = ParseSession::<JuliaLanguage>::default();
let parser = JuliaParser::new();
let source = SourceText::new("x = [1, 2, 3, 4, 5]");
let result = parser.parse(&[], &mut session);
println!("Token parsing completed.");
```
### Error Handling
```rust
use oak_core::{Parser, SourceText, parser::session::ParseSession};
use oak_julia::{JuliaParser, JuliaLanguage};
let mut session = ParseSession::<JuliaLanguage>::default();
let parser = JuliaParser::new();
let source = SourceText::new(r#"
function broken_function(x)
if x > 0
println("Positive")
// Missing 'end' keyword
"#);
let result = parser.parse(&[], &mut session);
if let Some(errors) = result.result.err() {
println!("Parse errors found: {:?}", errors);
} else {
println!("Parsed successfully.");
}
```
## 🏗️ AST Structure
The parser generates a comprehensive AST with the following main structures:
- **JuliaProgram**: Root container for Julia programs
- **Function**: Julia functions and methods
- **Struct**: Julia struct definitions
- **Module**: Julia module definitions
- **Expression**: Various expression types including operators
- **Statement**: Control flow, loops, conditionals
## 📊 Performance
- **Streaming**: Parse large Julia files without loading entirely into memory
- **Incremental**: Re-parse only changed sections
- **Memory Efficient**: Smart AST node allocation
- **Fast Recovery**: Quick error recovery for better IDE integration
## 🔗 Integration
Oak Julia integrates seamlessly with:
- **Scientific Computing**: Julia code analysis and optimization
- **Data Analysis**: Processing and transforming Julia code
- **IDE Support**: Language server protocol compatibility
- **Code Generation**: Generating code from Julia AST
- **Documentation**: Generating documentation from Julia code
## 📚 Examples
Check out the [examples](examples/) directory for comprehensive examples:
- Complete Julia program parsing
- Function and type analysis
- Code transformation
- Integration with development workflows
## 🤝 Contributing
Contributions are welcome!
Please feel free to submit pull requests at the [project repository](https://github.com/ygg-lang/oaks/tree/dev/examples/oak-julia) or open [issues](https://github.com/ygg-lang/oaks/issues).