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change one-of syntax to use (type_a | type_b) syntax

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This commit is contained in:
Bahex 2025-05-02 07:57:17 +03:00
parent c7224be3cd
commit 70dc4a3006
1 changed files with 48 additions and 8 deletions
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56
crates/nu-parser/src/parse_shape_specs.rs
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@ -64,17 +64,12 @@ pub fn parse_shape_name(
b"number" => SyntaxShape::Number,
b"path" => SyntaxShape::Filepath,
b"range" => SyntaxShape::Range,
_ if bytes.starts_with(b"one_of")
|| bytes.starts_with(b"list")
_ if bytes.starts_with(b"list")
|| bytes.starts_with(b"record")
|| bytes.starts_with(b"table") =>
{
let (type_name, type_params) = split_generic_params(working_set, bytes, span);
match type_name {
b"one_of" => SyntaxShape::OneOf(match type_params {
Some(params) => parse_type_params(working_set, params, use_loc),
None => vec![],
}),
b"list" => SyntaxShape::List(Box::new(match type_params {
Some(params) => {
let mut parsed_params = parse_type_params(working_set, params, use_loc);
@ -106,6 +101,11 @@ pub fn parse_shape_name(
}
}
b"string" => SyntaxShape::String,
_ if bytes.starts_with(b"(") && bytes.ends_with(b")") => {
let source =
bytes[1..(bytes.len() - 1)].into_spanned(Span::new(span.start + 1, span.end - 1));
parse_one_of(working_set, source, use_loc)
}
_ => {
if bytes.contains(&b'@') {
let mut split = bytes.splitn(2, |b| b == &b'@');
@ -161,10 +161,9 @@ fn split_generic_params<'a>(
bytes: &'a [u8],
span: Span,
) -> (&'a [u8], Option<Spanned<&'a [u8]>>) {
let n = bytes.iter().position(|&c| c == b'<' || c == b'(');
let n = bytes.iter().position(|&c| c == b'<');
let (open_delim_pos, close_delim) = match n.and_then(|n| Some((n, bytes.get(n)?))) {
Some((n, b'<')) => (n, b'>'),
Some((n, b'(')) => (n, b')'),
_ => return (bytes, None),
};
@ -313,3 +312,44 @@ fn parse_type_params(
sig
}
fn parse_one_of(
working_set: &mut StateWorkingSet,
Spanned { item: source, span }: Spanned<&[u8]>,
use_loc: ShapeDescriptorUse,
) -> SyntaxShape {
let (tokens, err) = lex_signature(source, span.start, &[b'\n', b'\r'], &[b':', b','], true);
if let Some(err) = err {
working_set.error(err);
return SyntaxShape::Any;
}
let mut sig = vec![];
let mut tokens = tokens.into_iter().peekable();
while let Some(token) = tokens.next() {
let TokenContents::Item = token.contents else {
working_set.error(ParseError::Expected("a type", token.span));
return SyntaxShape::Any;
};
let shape_bytes = working_set.get_span_contents(token.span).to_vec();
let shape = parse_shape_name(working_set, &shape_bytes, token.span, use_loc);
sig.push(shape);
let Some(token_pipe) = tokens.next() else {
break;
};
match token_pipe.contents {
TokenContents::Pipe => {}
_ => {
working_set.error(ParseError::Expected("pipe '|'", token_pipe.span));
return SyntaxShape::Any;
}
}
}
SyntaxShape::OneOf(sig)
}