Unnamed repository; edit this file 'description' to name the repository.
Merge pull request #18653 from SomeoneToIgnore/hash-completions
Hash completion items to properly match them during /resolve
Lukas Wirth 2024-12-11
parent 002fcea · parent 4169926 · commit 087cb62
-rw-r--r--Cargo.lock15
-rw-r--r--crates/ide-completion/src/item.rs3
-rw-r--r--crates/ide-completion/src/lib.rs1
-rw-r--r--crates/rust-analyzer/Cargo.toml3
-rw-r--r--crates/rust-analyzer/src/config.rs2
-rw-r--r--crates/rust-analyzer/src/handlers/request.rs29
-rw-r--r--crates/rust-analyzer/src/lib.rs78
-rw-r--r--crates/rust-analyzer/src/lsp/capabilities.rs2
-rw-r--r--crates/rust-analyzer/src/lsp/ext.rs3
-rw-r--r--crates/rust-analyzer/src/lsp/to_proto.rs19
-rw-r--r--docs/dev/lsp-extensions.md2
11 files changed, 134 insertions, 23 deletions
diff --git a/Cargo.lock b/Cargo.lock
index 5861833d53..8b156a5401 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -85,6 +85,12 @@ dependencies = [
]
[[package]]
+name = "base64"
+version = "0.22.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "72b3254f16251a8381aa12e40e3c4d2f0199f8c6508fbecb9d91f575e0fbb8c6"
+
+[[package]]
name = "bitflags"
version = "1.3.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1649,6 +1655,7 @@ version = "0.0.0"
dependencies = [
"always-assert",
"anyhow",
+ "base64",
"cargo_metadata",
"cfg",
"crossbeam-channel",
@@ -1659,6 +1666,7 @@ dependencies = [
"hir-def",
"hir-ty",
"ide",
+ "ide-completion",
"ide-db",
"ide-ssr",
"intern",
@@ -1687,6 +1695,7 @@ dependencies = [
"stdx",
"syntax",
"syntax-bridge",
+ "tenthash",
"test-fixture",
"test-utils",
"tikv-jemallocator",
@@ -1991,6 +2000,12 @@ dependencies = [
]
[[package]]
+name = "tenthash"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d67f9f3cf70e0852941d7bc3cb884b49b24b8ee956baf91ad0abae31f5ef11fb"
+
+[[package]]
name = "test-fixture"
version = "0.0.0"
dependencies = [
diff --git a/crates/ide-completion/src/item.rs b/crates/ide-completion/src/item.rs
index 52f6bedaaa..8878fbbea3 100644
--- a/crates/ide-completion/src/item.rs
+++ b/crates/ide-completion/src/item.rs
@@ -346,8 +346,7 @@ pub enum CompletionItemKind {
impl_from!(SymbolKind for CompletionItemKind);
impl CompletionItemKind {
- #[cfg(test)]
- pub(crate) fn tag(self) -> &'static str {
+ pub fn tag(self) -> &'static str {
match self {
CompletionItemKind::SymbolKind(kind) => match kind {
SymbolKind::Attribute => "at",
diff --git a/crates/ide-completion/src/lib.rs b/crates/ide-completion/src/lib.rs
index cffdfa29f1..14f42b4005 100644
--- a/crates/ide-completion/src/lib.rs
+++ b/crates/ide-completion/src/lib.rs
@@ -34,6 +34,7 @@ pub use crate::{
config::{CallableSnippets, CompletionConfig},
item::{
CompletionItem, CompletionItemKind, CompletionRelevance, CompletionRelevancePostfixMatch,
+ CompletionRelevanceReturnType, CompletionRelevanceTypeMatch,
},
snippet::{Snippet, SnippetScope},
};
diff --git a/crates/rust-analyzer/Cargo.toml b/crates/rust-analyzer/Cargo.toml
index 2dd2f2242a..7c8610280b 100644
--- a/crates/rust-analyzer/Cargo.toml
+++ b/crates/rust-analyzer/Cargo.toml
@@ -21,9 +21,11 @@ path = "src/bin/main.rs"
[dependencies]
anyhow.workspace = true
+base64 = "0.22"
crossbeam-channel.workspace = true
dirs = "5.0.1"
dissimilar.workspace = true
+ide-completion.workspace = true
itertools.workspace = true
scip = "0.5.1"
lsp-types = { version = "=0.95.0", features = ["proposed"] }
@@ -34,6 +36,7 @@ rayon.workspace = true
rustc-hash.workspace = true
serde_json = { workspace = true, features = ["preserve_order"] }
serde.workspace = true
+tenthash = "0.4.0"
num_cpus = "1.15.0"
mimalloc = { version = "0.1.30", default-features = false, optional = true }
lsp-server.workspace = true
diff --git a/crates/rust-analyzer/src/config.rs b/crates/rust-analyzer/src/config.rs
index a642d4c612..bf7aca42fa 100644
--- a/crates/rust-analyzer/src/config.rs
+++ b/crates/rust-analyzer/src/config.rs
@@ -1440,7 +1440,7 @@ impl Config {
limit: self.completion_limit(source_root).to_owned(),
enable_term_search: self.completion_termSearch_enable(source_root).to_owned(),
term_search_fuel: self.completion_termSearch_fuel(source_root).to_owned() as u64,
- fields_to_resolve: if self.client_is_helix() || self.client_is_neovim() {
+ fields_to_resolve: if self.client_is_neovim() {
CompletionFieldsToResolve::empty()
} else {
CompletionFieldsToResolve::from_client_capabilities(&client_capability_fields)
diff --git a/crates/rust-analyzer/src/handlers/request.rs b/crates/rust-analyzer/src/handlers/request.rs
index 0fadfa6c42..e51b14f611 100644
--- a/crates/rust-analyzer/src/handlers/request.rs
+++ b/crates/rust-analyzer/src/handlers/request.rs
@@ -10,6 +10,7 @@ use std::{
use anyhow::Context;
+use base64::{prelude::BASE64_STANDARD, Engine};
use ide::{
AnnotationConfig, AssistKind, AssistResolveStrategy, Cancellable, CompletionFieldsToResolve,
FilePosition, FileRange, HoverAction, HoverGotoTypeData, InlayFieldsToResolve, Query,
@@ -36,6 +37,7 @@ use triomphe::Arc;
use vfs::{AbsPath, AbsPathBuf, FileId, VfsPath};
use crate::{
+ completion_item_hash,
config::{Config, RustfmtConfig, WorkspaceSymbolConfig},
diagnostics::convert_diagnostic,
global_state::{FetchWorkspaceRequest, GlobalState, GlobalStateSnapshot},
@@ -1127,7 +1129,7 @@ pub(crate) fn handle_completion_resolve(
forced_resolve_completions_config.fields_to_resolve = CompletionFieldsToResolve::empty();
let position = FilePosition { file_id, offset };
- let Some(resolved_completions) = snap.analysis.completions(
+ let Some(completions) = snap.analysis.completions(
&forced_resolve_completions_config,
position,
resolve_data.trigger_character,
@@ -1135,6 +1137,19 @@ pub(crate) fn handle_completion_resolve(
else {
return Ok(original_completion);
};
+ let Ok(resolve_data_hash) = BASE64_STANDARD.decode(resolve_data.hash) else {
+ return Ok(original_completion);
+ };
+
+ let Some(corresponding_completion) = completions.into_iter().find(|completion_item| {
+ // Avoid computing hashes for items that obviously do not match
+ // r-a might append a detail-based suffix to the label, so we cannot check for equality
+ original_completion.label.starts_with(completion_item.label.as_str())
+ && resolve_data_hash == completion_item_hash(completion_item, resolve_data.for_ref)
+ }) else {
+ return Ok(original_completion);
+ };
+
let mut resolved_completions = to_proto::completion_items(
&snap.config,
&forced_resolve_completions_config.fields_to_resolve,
@@ -1142,15 +1157,11 @@ pub(crate) fn handle_completion_resolve(
snap.file_version(position.file_id),
resolve_data.position,
resolve_data.trigger_character,
- resolved_completions,
+ vec![corresponding_completion],
);
-
- let mut resolved_completion =
- if resolved_completions.get(resolve_data.completion_item_index).is_some() {
- resolved_completions.swap_remove(resolve_data.completion_item_index)
- } else {
- return Ok(original_completion);
- };
+ let Some(mut resolved_completion) = resolved_completions.pop() else {
+ return Ok(original_completion);
+ };
if !resolve_data.imports.is_empty() {
let additional_edits = snap
diff --git a/crates/rust-analyzer/src/lib.rs b/crates/rust-analyzer/src/lib.rs
index 234204695c..15d60c873f 100644
--- a/crates/rust-analyzer/src/lib.rs
+++ b/crates/rust-analyzer/src/lib.rs
@@ -47,7 +47,9 @@ use self::lsp::ext as lsp_ext;
#[cfg(test)]
mod integrated_benchmarks;
+use ide::{CompletionItem, CompletionRelevance};
use serde::de::DeserializeOwned;
+use tenthash::TentHasher;
pub use crate::{
lsp::capabilities::server_capabilities, main_loop::main_loop, reload::ws_to_crate_graph,
@@ -61,3 +63,79 @@ pub fn from_json<T: DeserializeOwned>(
serde_json::from_value(json.clone())
.map_err(|e| anyhow::format_err!("Failed to deserialize {what}: {e}; {json}"))
}
+
+fn completion_item_hash(item: &CompletionItem, is_ref_completion: bool) -> [u8; 20] {
+ fn hash_completion_relevance(hasher: &mut TentHasher, relevance: &CompletionRelevance) {
+ use ide_completion::{
+ CompletionRelevancePostfixMatch, CompletionRelevanceReturnType,
+ CompletionRelevanceTypeMatch,
+ };
+
+ hasher.update([
+ u8::from(relevance.exact_name_match),
+ u8::from(relevance.is_local),
+ u8::from(relevance.is_name_already_imported),
+ u8::from(relevance.requires_import),
+ u8::from(relevance.is_private_editable),
+ ]);
+ if let Some(type_match) = &relevance.type_match {
+ let label = match type_match {
+ CompletionRelevanceTypeMatch::CouldUnify => "could_unify",
+ CompletionRelevanceTypeMatch::Exact => "exact",
+ };
+ hasher.update(label);
+ }
+ if let Some(trait_) = &relevance.trait_ {
+ hasher.update([u8::from(trait_.is_op_method), u8::from(trait_.notable_trait)]);
+ }
+ if let Some(postfix_match) = &relevance.postfix_match {
+ let label = match postfix_match {
+ CompletionRelevancePostfixMatch::NonExact => "non_exact",
+ CompletionRelevancePostfixMatch::Exact => "exact",
+ };
+ hasher.update(label);
+ }
+ if let Some(function) = &relevance.function {
+ hasher.update([u8::from(function.has_params), u8::from(function.has_self_param)]);
+ let label = match function.return_type {
+ CompletionRelevanceReturnType::Other => "other",
+ CompletionRelevanceReturnType::DirectConstructor => "direct_constructor",
+ CompletionRelevanceReturnType::Constructor => "constructor",
+ CompletionRelevanceReturnType::Builder => "builder",
+ };
+ hasher.update(label);
+ }
+ }
+
+ let mut hasher = TentHasher::new();
+ hasher.update([
+ u8::from(is_ref_completion),
+ u8::from(item.is_snippet),
+ u8::from(item.deprecated),
+ u8::from(item.trigger_call_info),
+ ]);
+ hasher.update(&item.label);
+ if let Some(label_detail) = &item.label_detail {
+ hasher.update(label_detail);
+ }
+ // NB: do not hash edits or source range, as those may change between the time the client sends the resolve request
+ // and the time it receives it: some editors do allow changing the buffer between that, leading to ranges being different.
+ //
+ // Documentation hashing is skipped too, as it's a large blob to process,
+ // while not really making completion properties more unique as they are already.
+ hasher.update(item.kind.tag());
+ hasher.update(&item.lookup);
+ if let Some(detail) = &item.detail {
+ hasher.update(detail);
+ }
+ hash_completion_relevance(&mut hasher, &item.relevance);
+ if let Some((mutability, text_size)) = &item.ref_match {
+ hasher.update(mutability.as_keyword_for_ref());
+ hasher.update(u32::from(*text_size).to_le_bytes());
+ }
+ for (import_path, import_name) in &item.import_to_add {
+ hasher.update(import_path);
+ hasher.update(import_name);
+ }
+ hasher.finalize()
+}
diff --git a/crates/rust-analyzer/src/lsp/capabilities.rs b/crates/rust-analyzer/src/lsp/capabilities.rs
index 6d73319e67..b1136dbbda 100644
--- a/crates/rust-analyzer/src/lsp/capabilities.rs
+++ b/crates/rust-analyzer/src/lsp/capabilities.rs
@@ -41,7 +41,7 @@ pub fn server_capabilities(config: &Config) -> ServerCapabilities {
})),
hover_provider: Some(HoverProviderCapability::Simple(true)),
completion_provider: Some(CompletionOptions {
- resolve_provider: if config.client_is_helix() || config.client_is_neovim() {
+ resolve_provider: if config.client_is_neovim() {
config.completion_item_edit_resolve().then_some(true)
} else {
Some(config.caps().completions_resolve_provider())
diff --git a/crates/rust-analyzer/src/lsp/ext.rs b/crates/rust-analyzer/src/lsp/ext.rs
index 6ddfe118d5..df06270a8b 100644
--- a/crates/rust-analyzer/src/lsp/ext.rs
+++ b/crates/rust-analyzer/src/lsp/ext.rs
@@ -826,7 +826,8 @@ pub struct CompletionResolveData {
pub imports: Vec<CompletionImport>,
pub version: Option<i32>,
pub trigger_character: Option<char>,
- pub completion_item_index: usize,
+ pub for_ref: bool,
+ pub hash: String,
}
#[derive(Debug, Serialize, Deserialize)]
diff --git a/crates/rust-analyzer/src/lsp/to_proto.rs b/crates/rust-analyzer/src/lsp/to_proto.rs
index d444f90a13..612cb547b4 100644
--- a/crates/rust-analyzer/src/lsp/to_proto.rs
+++ b/crates/rust-analyzer/src/lsp/to_proto.rs
@@ -5,6 +5,7 @@ use std::{
sync::atomic::{AtomicU32, Ordering},
};
+use base64::{prelude::BASE64_STANDARD, Engine};
use ide::{
Annotation, AnnotationKind, Assist, AssistKind, Cancellable, CompletionFieldsToResolve,
CompletionItem, CompletionItemKind, CompletionRelevance, Documentation, FileId, FileRange,
@@ -21,6 +22,7 @@ use serde_json::to_value;
use vfs::AbsPath;
use crate::{
+ completion_item_hash,
config::{CallInfoConfig, Config},
global_state::GlobalStateSnapshot,
line_index::{LineEndings, LineIndex, PositionEncoding},
@@ -295,7 +297,7 @@ fn completion_item(
// non-trivial mapping here.
let mut text_edit = None;
let source_range = item.source_range;
- for indel in item.text_edit {
+ for indel in &item.text_edit {
if indel.delete.contains_range(source_range) {
// Extract this indel as the main edit
text_edit = Some(if indel.delete == source_range {
@@ -347,7 +349,7 @@ fn completion_item(
something_to_resolve |= item.documentation.is_some();
None
} else {
- item.documentation.map(documentation)
+ item.documentation.clone().map(documentation)
};
let mut lsp_item = lsp_types::CompletionItem {
@@ -371,10 +373,10 @@ fn completion_item(
} else {
lsp_item.label_details = Some(lsp_types::CompletionItemLabelDetails {
detail: item.label_detail.as_ref().map(ToString::to_string),
- description: item.detail,
+ description: item.detail.clone(),
});
}
- } else if let Some(label_detail) = item.label_detail {
+ } else if let Some(label_detail) = &item.label_detail {
lsp_item.label.push_str(label_detail.as_str());
}
@@ -383,6 +385,7 @@ fn completion_item(
let imports =
if config.completion(None).enable_imports_on_the_fly && !item.import_to_add.is_empty() {
item.import_to_add
+ .clone()
.into_iter()
.map(|(import_path, import_name)| lsp_ext::CompletionImport {
full_import_path: import_path,
@@ -393,16 +396,15 @@ fn completion_item(
Vec::new()
};
let (ref_resolve_data, resolve_data) = if something_to_resolve || !imports.is_empty() {
- let mut item_index = acc.len();
let ref_resolve_data = if ref_match.is_some() {
let ref_resolve_data = lsp_ext::CompletionResolveData {
position: tdpp.clone(),
imports: Vec::new(),
version,
trigger_character: completion_trigger_character,
- completion_item_index: item_index,
+ for_ref: true,
+ hash: BASE64_STANDARD.encode(completion_item_hash(&item, true)),
};
- item_index += 1;
Some(to_value(ref_resolve_data).unwrap())
} else {
None
@@ -412,7 +414,8 @@ fn completion_item(
imports,
version,
trigger_character: completion_trigger_character,
- completion_item_index: item_index,
+ for_ref: false,
+ hash: BASE64_STANDARD.encode(completion_item_hash(&item, false)),
};
(ref_resolve_data, Some(to_value(resolve_data).unwrap()))
} else {
diff --git a/docs/dev/lsp-extensions.md b/docs/dev/lsp-extensions.md
index b7c536e027..2aad2cfa36 100644
--- a/docs/dev/lsp-extensions.md
+++ b/docs/dev/lsp-extensions.md
@@ -1,5 +1,5 @@
<!---
-lsp/ext.rs hash: 96f88b7a5d0080c6
+lsp/ext.rs hash: 14b7fb1309f5bb00
If you need to change the above hash to make the test pass, please check if you
need to adjust this doc as well and ping this issue: