dist_agent_lang 1.0.3

A hybrid programming language for decentralized and centralized network integration
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use std::collections::HashMap;
use crate::runtime::values::Value;

#[derive(Debug, Clone)]
pub struct Scope {
    pub variables: HashMap<String, Value>,
    pub parent: Option<Box<Scope>>,
}

impl Scope {
    pub fn new() -> Self {
        Self {
            variables: HashMap::with_capacity(16), // Pre-allocate for common use cases
            parent: None,
        }
    }

    pub fn new_child(parent: Scope) -> Self {
        Self {
            variables: HashMap::with_capacity(8), // Child scopes typically have fewer variables
            parent: Some(Box::new(parent)),
        }
    }

    pub fn set(&mut self, name: String, value: Value) {
        self.variables.insert(name, value);
    }

    pub fn get(&self, name: &str) -> Option<Value> {
        // First check current scope
        if let Some(value) = self.variables.get(name) {
            return Some(value.clone());
        }
        
        // Then check parent scope
        if let Some(parent) = &self.parent {
            return parent.get(name);
        }
        
        None
    }


}

impl Default for Scope {
    fn default() -> Self {
        Self::new()
    }
}