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33 lines
734 B
Rust
33 lines
734 B
Rust
use nu_protocol::{
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ast::Block,
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engine::{EngineState, StateWorkingSet},
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Span,
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};
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use crate::error::{CrateError, CrateResult};
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pub trait NewEmpty {
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fn empty() -> Self;
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}
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impl NewEmpty for Span {
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#[inline]
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fn empty() -> Self {
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Span::new(0, 0)
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}
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}
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pub fn parse_nu_script(engine_state: &mut EngineState, contents: String) -> CrateResult<Block> {
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let mut working_set = StateWorkingSet::new(&engine_state);
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let (block, err) = nu_parser::parse(&mut working_set, None, &contents.into_bytes(), false, &[]);
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if let Some(err) = err {
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Err(CrateError::from(err))
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} else {
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let delta = working_set.render();
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engine_state.merge_delta(delta)?;
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Ok(block)
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}
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}
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