use crate::ast::*;

pub struct ScopeResolver {

}

impl ScopeResolver {
  pub fn new() -> ScopeResolver {
    ScopeResolver { }
  }
  pub fn resolve(&mut self, ast: &mut AST) -> Result<(), String> {
    println!("Resolving scopes - nothing so far!");
    for statement in ast.0.iter_mut() {
      match statement.mut_node() {
        Statement::Declaration(ref mut decl) => self.decl(decl),
        Statement::ExpressionStatement(ref mut expr) => self.expr(expr),
      }?;
    }
    Ok(())
  }

  fn decl(&mut self, decl: &mut Declaration) -> Result<(), String> {
    Ok(())
  }

  fn expr(&mut self, expr: &mut Meta<Expression>) -> Result<(), String> {
    Ok(())
  }

}