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Refactor according to PR comments to remove allocations.

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This commit is contained in:
Eric Sampson 2021-10-05 15:42:45 -05:00
parent 160a7b097a
commit 6d05b07f7d
1 changed files with 11 additions and 17 deletions
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28
crates/ide/src/annotations.rs
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@ -5,7 +5,7 @@ use ide_db::{
helpers::visit_file_defs,
RootDatabase,
};
use syntax::{ast::HasName, AstNode, TextRange, TextSize};
use syntax::{ast::HasName, AstNode, TextRange};
use crate::{
fn_references::find_all_methods,
@ -66,10 +66,10 @@ pub(crate) fn annotations(
Either::Left(def) => {
let (range, ranges_enum_variants) = match def {
hir::ModuleDef::Const(konst) => {
(konst.source(db).and_then(|node| name_range(&node, file_id)), vec![None])
(konst.source(db).and_then(|node| name_range(&node, file_id)), vec![])
}
hir::ModuleDef::Trait(trait_) => {
(trait_.source(db).and_then(|node| name_range(&node, file_id)), vec![None])
(trait_.source(db).and_then(|node| name_range(&node, file_id)), vec![])
}
hir::ModuleDef::Adt(adt) => match adt {
hir::Adt::Enum(enum_) => (
@ -83,12 +83,12 @@ pub(crate) fn annotations(
})
.collect()
} else {
vec![None]
vec![]
},
),
_ => (adt.source(db).and_then(|node| name_range(&node, file_id)), vec![None]),
_ => (adt.source(db).and_then(|node| name_range(&node, file_id)), vec![]),
},
_ => (None, vec![None]),
_ => (None, vec![]),
};
let (range, offset) = match range {
@ -116,19 +116,13 @@ pub(crate) fn annotations(
}
if config.annotate_enum_variant_references {
let mut enum_variants_metadata: Vec<(TextRange, TextSize)> = Vec::with_capacity(ranges_enum_variants.len());
for range_enum_variant in ranges_enum_variants.into_iter() {
let (range, offset) = match range_enum_variant {
Some(range) => (range, range.start()),
None => return,
};
enum_variants_metadata.push((range, offset))
}
for enum_variant_metadata in enum_variants_metadata.into_iter() {
for range_enum_variant in
ranges_enum_variants.into_iter().filter_map(std::convert::identity)
{
annotations.push(Annotation {
range: enum_variant_metadata.0,
range: range_enum_variant,
kind: AnnotationKind::HasReferences {
position: FilePosition { file_id, offset: enum_variant_metadata.1 },
position: FilePosition { file_id, offset: range_enum_variant.start() },
data: None,
},
});