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Profile completions better

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This commit is contained in:
Kirill Bulatov 2020-11-27 18:00:03 +02:00
parent c66d477f5a
commit b2e6ca46ca
9 changed files with 22 additions and 0 deletions
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13
crates/syntax/src/algo.rs
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@ -127,6 +127,8 @@ pub struct TreeDiff {
impl TreeDiff {
pub fn into_text_edit(&self, builder: &mut TextEditBuilder) {
let _p = profile::span("into_text_edit");
for (anchor, to) in self.insertions.iter() {
let offset = match anchor {
TreeDiffInsertPos::After(it) => it.text_range().end(),
@ -154,6 +156,8 @@ impl TreeDiff {
///
/// This function tries to find a fine-grained diff.
pub fn diff(from: &SyntaxNode, to: &SyntaxNode) -> TreeDiff {
let _p = profile::span("diff");
let mut diff = TreeDiff {
replacements: FxHashMap::default(),
insertions: FxIndexMap::default(),
@ -467,6 +471,8 @@ impl<'a> SyntaxRewriter<'a> {
}
pub fn rewrite(&self, node: &SyntaxNode) -> SyntaxNode {
let _p = profile::span("rewrite");
if self.f.is_none() && self.replacements.is_empty() && self.insertions.is_empty() {
return node.clone();
}
@ -483,6 +489,7 @@ impl<'a> SyntaxRewriter<'a> {
///
/// Returns `None` when there are no replacements.
pub fn rewrite_root(&self) -> Option<SyntaxNode> {
let _p = profile::span("rewrite_root");
fn element_to_node_or_parent(element: &SyntaxElement) -> SyntaxNode {
match element {
SyntaxElement::Node(it) => it.clone(),
@ -517,6 +524,8 @@ impl<'a> SyntaxRewriter<'a> {
}
fn rewrite_children(&self, node: &SyntaxNode) -> SyntaxNode {
let _p = profile::span("rewrite_children");
// FIXME: this could be made much faster.
let mut new_children = Vec::new();
if let Some(elements) = self.insertions(&InsertPos::FirstChildOf(node.clone())) {
@ -533,6 +542,8 @@ impl<'a> SyntaxRewriter<'a> {
acc: &mut Vec<NodeOrToken<rowan::GreenNode, rowan::GreenToken>>,
element: &SyntaxElement,
) {
let _p = profile::span("rewrite_self");
if let Some(replacement) = self.replacement(&element) {
match replacement {
Replacement::Single(element) => acc.push(element_to_green(element)),
@ -588,6 +599,8 @@ fn with_children(
parent: &SyntaxNode,
new_children: Vec<NodeOrToken<rowan::GreenNode, rowan::GreenToken>>,
) -> SyntaxNode {
let _p = profile::span("with_children");
let len = new_children.iter().map(|it| it.text_len()).sum::<TextSize>();
let new_node = rowan::GreenNode::new(rowan::SyntaxKind(parent.kind() as u16), new_children);
let new_root_node = parent.replace_with(new_node);