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refactor: factor out part of parse_shape_name to parse_generic_shape

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This commit is contained in:
Bahex 2025-05-06 15:15:39 +03:00
parent fe5fae1e08
commit 67a16b30e7
1 changed files with 45 additions and 36 deletions
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81
crates/nu-parser/src/parse_shape_specs.rs
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@ -64,48 +64,14 @@ pub fn parse_shape_name(
b"number" => SyntaxShape::Number,
b"path" => SyntaxShape::Filepath,
b"range" => SyntaxShape::Range,
b"string" => SyntaxShape::String,
_ if bytes.starts_with(b"oneof")
|| 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"oneof" => 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);
if parsed_params.len() > 1 {
working_set.error(ParseError::LabeledError(
"expected a single type parameter".into(),
"only one parameter allowed".into(),
params.span,
));
SyntaxShape::Any
} else {
parsed_params.pop().unwrap_or(SyntaxShape::Any)
parse_generic_shape(working_set, bytes, span, use_loc)
}
}
None => SyntaxShape::Any,
})),
b"record" => SyntaxShape::Record(match type_params {
Some(params) => parse_named_type_params(working_set, params, use_loc),
None => vec![],
}),
b"table" => SyntaxShape::Table(match type_params {
Some(params) => parse_named_type_params(working_set, params, use_loc),
None => vec![],
}),
_ => {
working_set.error(ParseError::UnknownType(span));
SyntaxShape::Any
}
}
}
b"string" => SyntaxShape::String,
_ => {
if bytes.contains(&b'@') {
let mut split = bytes.splitn(2, |b| b == &b'@');
@ -156,6 +122,49 @@ pub fn parse_shape_name(
result
}
fn parse_generic_shape(
working_set: &mut StateWorkingSet<'_>,
bytes: &[u8],
span: Span,
use_loc: ShapeDescriptorUse,
) -> SyntaxShape {
let (type_name, type_params) = split_generic_params(working_set, bytes, span);
match type_name {
b"oneof" => 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);
if parsed_params.len() > 1 {
working_set.error(ParseError::LabeledError(
"expected a single type parameter".into(),
"only one parameter allowed".into(),
params.span,
));
SyntaxShape::Any
} else {
parsed_params.pop().unwrap_or(SyntaxShape::Any)
}
}
None => SyntaxShape::Any,
})),
b"record" => SyntaxShape::Record(match type_params {
Some(params) => parse_named_type_params(working_set, params, use_loc),
None => vec![],
}),
b"table" => SyntaxShape::Table(match type_params {
Some(params) => parse_named_type_params(working_set, params, use_loc),
None => vec![],
}),
_ => {
working_set.error(ParseError::UnknownType(span));
SyntaxShape::Any
}
}
}
fn split_generic_params<'a>(
working_set: &mut StateWorkingSet,
bytes: &'a [u8],