lumesh 0.18.2

a lighting shell ⚡ bash alternative
Documentation 
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use std::rc::Rc;

use crate::{Environment, RuntimeError, RuntimeErrorKind};

use super::{CatchType, Expression, eval::State};
use common_macros::b_tree_map;
// use common_macros::hash_map;

pub fn catch_error(
    e: RuntimeError,
    typ: &CatchType,
    deeling: &Option<Rc<Expression>>,
    state: &mut State,
    env: &mut Environment,
    depth: usize,
) -> Result<Expression, RuntimeError> {
    match typ {
        CatchType::OnError => match deeling {
            Some(deel) => match deel.as_ref() {
                Expression::Symbol(..) | Expression::Lambda(..) | Expression::Function(..) => {
                    // dbg!(&deel.type_name());

                    deel.as_ref()
                        .apply(vec![Expression::from(b_tree_map! {
                            String::from("code") => Expression::from(e.code()),
                            String::from("msg") => Expression::String(e.kind.to_string()),
                            String::from("expr") => Expression::String(e.context.to_string()),
                            String::from("ast") => Expression::String(format!("{:?}",e.context)),
                            String::from("type") => Expression::String(e.context.type_name().to_string()),
                            String::from("depth") => Expression::Integer(e.depth as i64),
                            // String::from("expr") => Expression::Quote(body.clone())
                        })])
                        .eval_mut(state, env, depth + 1)
                }
                _ => deel.as_ref().eval_mut(state, env, depth + 1),
            },
            _ => Ok(Expression::None),
        },
        CatchType::Ignore => Ok(Expression::None),
        CatchType::ToBoolean => Ok(Expression::Boolean(false)),
        CatchType::OnSuccess => Err(e), // 失败时原样透传，不拦截
        CatchType::OnEmpty => Err(e),   // 失败时原样透传，不拦截
        CatchType::PrintStd => {
            println!("{e:?}");
            Ok(Expression::None)
        }
        CatchType::PrintErr => {
            eprintln!("\x1b[38;5;9m{e:?}\x1b[0m");
            Ok(Expression::None)
        }
        CatchType::PrintOver => Ok(Expression::from(b_tree_map! {
            String::from("code") => Expression::from(e.code()),
            String::from("msg") => Expression::String(e.kind.to_string()),
            String::from("expr") => Expression::String(e.context.to_string()),
            String::from("ast") => Expression::String(format!("{:?}",e.context)),
            String::from("type") => Expression::String(e.context.type_name().to_string()),
            String::from("depth") => Expression::Integer(e.depth as i64),
            // String::from("expr") => Expression::Quote(body.clone())
        })),
        CatchType::TerminateOnErr | CatchType::TerminateOnEmpty => Err(RuntimeError::new(
            RuntimeErrorKind::Terminated,
            e.context,
            e.depth,
        )),
    }
    // Ok(Expression::None)
}