forked from Orchid/orchid
20 lines
696 B
Rust
20 lines
696 B
Rust
use crate::{ast::Expr, rule::state::State};
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use super::{shared::AnyMatcher, scal_match::scalv_match, vec_match::vec_match};
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pub fn any_match<'a>(matcher: &AnyMatcher, seq: &'a [Expr])
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-> Option<State<'a>>
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{
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match matcher {
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AnyMatcher::Scalar(scalv) => scalv_match(scalv, seq),
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AnyMatcher::Vec{ left, mid, right } => {
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if seq.len() < left.len() + right.len() {return None};
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let left_split = left.len();
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let right_split = seq.len() - right.len();
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let mut state = scalv_match(left, &seq[..left_split])?;
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state.extend(scalv_match(right, &seq[right_split..])?);
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state.extend(vec_match(mid, &seq[left_split..right_split])?);
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Some(state)
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}
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}
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} |