hakorune/src/box_factory/user_defined.rs

/*!
 * User-Defined Box Factory
 * 
 * Handles creation of user-defined Box types through InstanceBox
 * Manages inheritance, fields, methods, and birth/fini lifecycle
 */

use super::BoxFactory;
use crate::box_trait::NyashBox;
use crate::interpreter::RuntimeError;

/// Factory for user-defined Box types
pub struct UserDefinedBoxFactory {
    // TODO: This will need access to the interpreter context
    // to look up box declarations and execute constructors
    // For now, this is a placeholder
}

impl UserDefinedBoxFactory {
    pub fn new() -> Self {
        Self {
            // TODO: Initialize with interpreter reference
        }
    }
}

impl BoxFactory for UserDefinedBoxFactory {
    fn create_box(
        &self,
        _name: &str,
        _args: &[Box<dyn NyashBox>],
    ) -> Result<Box<dyn NyashBox>, RuntimeError> {
        // TODO: Implementation will be moved from objects.rs
        // This will:
        // 1. Look up box declaration
        // 2. Create InstanceBox with fields and methods
        // 3. Execute birth constructor if present
        // 4. Return the instance
        
        Err(RuntimeError::InvalidOperation {
            message: "User-defined Box factory not yet implemented".to_string(),
        })
    }
    
    fn box_types(&self) -> Vec<&str> {
        // TODO: Return list of registered user-defined Box types
        vec![]
    }
    
    fn is_available(&self) -> bool {
        // TODO: Check if interpreter context is available
        false
    }
}