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Simplify

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This commit is contained in:
Lukas Wirth 2021-08-16 16:12:20 +02:00
parent b641a66078
commit 0c0142f61a
4 changed files with 16 additions and 22 deletions
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8
crates/ide/src/hover.rs
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@ -117,8 +117,6 @@ pub(crate) fn hover(
let node = token.parent()?;
let definition = match_ast! {
match node {
// We don't use NameClass::referenced_or_defined here as we do not want to resolve
// field pattern shorthands to their definition.
ast::Name(name) => NameClass::classify(&sema, &name).map(|class| match class {
NameClass::Definition(it) | NameClass::ConstReference(it) => it,
NameClass::PatFieldShorthand { local_def, field_ref: _ } => Definition::Local(local_def),
@ -139,6 +137,7 @@ pub(crate) fn hover(
NameClass::defined,
),
_ => {
// intra-doc links
if ast::Comment::cast(token.clone()).is_some() {
cov_mark::hit!(no_highlight_on_comment_hover);
let (attributes, def) = doc_attributes(&sema, &node)?;
@ -153,9 +152,12 @@ pub(crate) fn hover(
Either::Left(it) => Definition::ModuleDef(it),
Either::Right(it) => Definition::Macro(it),
})
// attributes, require special machinery as they are mere ident tokens
} else if let Some(attr) = token.ancestors().find_map(ast::Attr::cast) {
// lints
if let res@Some(_) = try_hover_for_lint(&attr, &token) {
return res;
// derives
} else {
range_override = Some(token.text_range());
try_resolve_derive_input_at(&sema, &attr, &token).map(Definition::Macro)
@ -276,7 +278,7 @@ fn hover_type_info(
"```text\nType: {:>apad$}\nCoerced to: {:>opad$}\n```\n",
uncoerced = original,
coerced = adjusted,
// 6 base padding for static text prefix of each line
// 6 base padding for difference of length of the two text prefixes
apad = 6 + adjusted.len().max(original.len()),
opad = original.len(),
)