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limit struct field hover display nums

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Young-Flash 2024-03-21 17:58:29 +08:00
parent d81148a009
commit 1c85234bcd
4 changed files with 28 additions and 12 deletions
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35
crates/hir/src/display.rs
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@ -185,19 +185,30 @@ impl HirDisplay for Struct {
write_where_clause(def_id, f)?;
}
StructKind::Record => {
let has_where_clause = write_where_clause(def_id, f)?;
let fields = self.fields(f.db);
f.write_char(if !has_where_clause { ' ' } else { '\n' })?;
if fields.is_empty() {
f.write_str("{}")?;
} else {
f.write_str("{\n")?;
for field in self.fields(f.db) {
f.write_str(" ")?;
field.hir_fmt(f)?;
f.write_str(",\n")?;
if let Some(limit) = f.entity_limit {
let has_where_clause = write_where_clause(def_id, f)?;
let fields = self.fields(f.db);
let count = fields.len().min(limit);
f.write_char(if !has_where_clause { ' ' } else { '\n' })?;
if count == 0 {
if fields.is_empty() {
f.write_str("{}")?;
} else {
f.write_str("{ /* … */ }")?;
}
} else {
f.write_str(" {\n")?;
for field in &fields[..count] {
f.write_str(" ")?;
field.hir_fmt(f)?;
f.write_str(",\n")?;
}
if fields.len() > count {
f.write_str(" /* … */\n")?;
}
f.write_str("}")?;
}
f.write_str("}")?;
}
}
StructKind::Unit => _ = write_where_clause(def_id, f)?,