forked from extern/nushell
24 lines
721 B
Rust
24 lines
721 B
Rust
use std::{cell::RefCell, rc::Rc};
|
|
|
|
use nu_parser::{parse, ParseError};
|
|
use nu_protocol::engine::{EngineState, StateWorkingSet};
|
|
use reedline::{ValidationResult, Validator};
|
|
|
|
pub struct NuValidator {
|
|
pub engine_state: Rc<RefCell<EngineState>>,
|
|
}
|
|
|
|
impl Validator for NuValidator {
|
|
fn validate(&self, line: &str) -> ValidationResult {
|
|
let engine_state = self.engine_state.borrow();
|
|
let mut working_set = StateWorkingSet::new(&*engine_state);
|
|
let (_, err) = parse(&mut working_set, None, line.as_bytes(), false);
|
|
|
|
if matches!(err, Some(ParseError::UnexpectedEof(..))) {
|
|
ValidationResult::Incomplete
|
|
} else {
|
|
ValidationResult::Complete
|
|
}
|
|
}
|
|
}
|