//! Abstraction for parse-time script validation.
//!
//! Lives in `shared` so the manager can call into validation logic
//! without taking a hard dep on the executor crate. The executor-core
//! crate provides the impl by registering `Engine` as a `ScriptValidator`.

use thiserror::Error;

#[derive(Debug, Error)]
pub enum ValidationError {
    #[error("invalid script source: {0}")]
    Syntax(String),
}

pub trait ScriptValidator: Send + Sync {
    fn validate(&self, source: &str) -> Result<(), ValidationError>;
}