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Merge #1382

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1382: use salsa's LRU for syntax trees r=matklad a=matklad



Co-authored-by: Aleksey Kladov <aleksey.kladov@gmail.com>
This commit is contained in:
bors[bot] 2019-06-12 10:36:47 +00:00
commit 03645c5576
13 changed files with 63 additions and 15 deletions
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7
Cargo.lock generated
View file

@ -1058,7 +1058,7 @@ dependencies = [
"ra_syntax 0.1.0",
"relative-path 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
"rustc-hash 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
"salsa 0.12.2 (registry+https://github.com/rust-lang/crates.io-index)",
"salsa 0.12.3 (registry+https://github.com/rust-lang/crates.io-index)",
"test_utils 0.1.0",
]
@ -1478,11 +1478,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "salsa"
version = "0.12.2"
version = "0.12.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"derive-new 0.5.6 (registry+https://github.com/rust-lang/crates.io-index)",
"indexmap 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
"linked-hash-map 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
"lock_api 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
"log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
"parking_lot 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
@ -2125,7 +2126,7 @@ dependencies = [
"checksum rustc-hash 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "7540fc8b0c49f096ee9c961cda096467dce8084bec6bdca2fc83895fd9b28cb8"
"checksum rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "138e3e0acb6c9fb258b19b67cb8abd63c00679d2851805ea151465464fe9030a"
"checksum ryu 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)" = "b96a9549dc8d48f2c283938303c4b5a77aa29bfbc5b54b084fb1630408899a8f"
"checksum salsa 0.12.2 (registry+https://github.com/rust-lang/crates.io-index)" = "f2208fabe493ad352dc4f544c482b39e9b9a2c1719d9aa4a0f5e828a61210956"
"checksum salsa 0.12.3 (registry+https://github.com/rust-lang/crates.io-index)" = "2891cd628406e8a0ca714b827511de1bff76f796e3382cc72a3de732ccad5aea"
"checksum salsa-macros 0.12.1 (registry+https://github.com/rust-lang/crates.io-index)" = "b7f1e25ca2b995bdf032946174929d62156ffd57abd7ff88dc6f9bdeb5ac0c59"
"checksum same-file 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)" = "8f20c4be53a8a1ff4c1f1b2bd14570d2f634628709752f0702ecdd2b3f9a5267"
"checksum scopeguard 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "94258f53601af11e6a49f722422f6e3425c52b06245a5cf9bc09908b174f5e27"

8
crates/ra_batch/src/lib.rs
View file

@ -7,7 +7,7 @@ use std::collections::HashSet;
use rustc_hash::FxHashMap;
use ra_db::{
CrateGraph, FileId, SourceRoot, SourceRootId, SourceDatabase, salsa,
CrateGraph, FileId, SourceRoot, SourceRootId, SourceDatabase, salsa::{self, Database},
};
use ra_hir::db;
use ra_project_model::ProjectWorkspace;
@ -43,6 +43,12 @@ fn vfs_root_to_id(r: ra_vfs::VfsRoot) -> SourceRootId {
impl BatchDatabase {
pub fn load(crate_graph: CrateGraph, vfs: &mut Vfs) -> BatchDatabase {
let mut db = BatchDatabase { runtime: salsa::Runtime::default() };
let lru_cap = std::env::var("RA_LRU_CAP")
.ok()
.and_then(|it| it.parse::<usize>().ok())
.unwrap_or(ra_db::DEFAULT_LRU_CAP);
db.query_mut(ra_db::ParseQuery).set_lru_capacity(lru_cap);
db.query_mut(ra_hir::db::ParseMacroQuery).set_lru_capacity(lru_cap);
db.set_crate_graph(Arc::new(crate_graph));
// wait until Vfs has loaded all roots

2
crates/ra_db/Cargo.toml
View file

@ -5,7 +5,7 @@ version = "0.1.0"
authors = ["rust-analyzer developers"]
[dependencies]
salsa = "0.12.1"
salsa = "0.12.3"
relative-path = "0.4.0"
rustc-hash = "1.0"

2
crates/ra_db/src/lib.rs
View file

@ -65,6 +65,8 @@ pub struct FileRange {
pub range: TextRange,
}
pub const DEFAULT_LRU_CAP: usize = 128;
/// Database which stores all significant input facts: source code and project
/// model. Everything else in rust-analyzer is derived from these queries.
#[salsa::query_group(SourceDatabaseStorage)]

1
crates/ra_ide_api/src/change.rs
View file

@ -225,7 +225,6 @@ impl RootDatabase {
let sweep = SweepStrategy::default().discard_values().sweep_all_revisions();
self.query(ra_db::ParseQuery).sweep(sweep);
self.query(hir::db::ParseMacroQuery).sweep(sweep);
self.query(hir::db::MacroDefQuery).sweep(sweep);
self.query(hir::db::MacroArgQuery).sweep(sweep);

11
crates/ra_ide_api/src/db.rs
View file

@ -5,7 +5,7 @@ use std::{
use ra_db::{
CheckCanceled, FileId, Canceled, SourceDatabase,
salsa,
salsa::{self, Database},
};
use crate::{LineIndex, symbol_index::{self, SymbolsDatabase}};
@ -41,6 +41,12 @@ impl salsa::Database for RootDatabase {
impl Default for RootDatabase {
fn default() -> RootDatabase {
RootDatabase::new(None)
}
}
impl RootDatabase {
pub fn new(lru_capacity: Option<usize>) -> RootDatabase {
let mut db = RootDatabase {
runtime: salsa::Runtime::default(),
last_gc: time::Instant::now(),
@ -49,6 +55,9 @@ impl Default for RootDatabase {
db.set_crate_graph(Default::default());
db.set_local_roots(Default::default());
db.set_library_roots(Default::default());
let lru_capacity = lru_capacity.unwrap_or(ra_db::DEFAULT_LRU_CAP);
db.query_mut(ra_db::ParseQuery).set_lru_capacity(lru_capacity);
db.query_mut(hir::db::ParseMacroQuery).set_lru_capacity(lru_capacity);
db
}
}

11
crates/ra_ide_api/src/lib.rs
View file

@ -242,12 +242,21 @@ pub struct CallInfo {
}
/// `AnalysisHost` stores the current state of the world.
#[derive(Debug, Default)]
#[derive(Debug)]
pub struct AnalysisHost {
db: db::RootDatabase,
}
impl Default for AnalysisHost {
fn default() -> AnalysisHost {
AnalysisHost::new(None)
}
}
impl AnalysisHost {
pub fn new(lru_capcity: Option<usize>) -> AnalysisHost {
AnalysisHost { db: db::RootDatabase::new(lru_capcity) }
}
/// Returns a snapshot of the current state, which you can query for
/// semantic information.
pub fn analysis(&self) -> Analysis {

14
crates/ra_lsp_server/src/init.rs
View file

@ -17,11 +17,17 @@ pub struct InitializationOptions {
/// Defaults to `true`
#[serde(deserialize_with = "nullable_bool_true")]
pub show_workspace_loaded: bool,
pub lru_capacity: Option<usize>,
}
impl Default for InitializationOptions {
fn default() -> InitializationOptions {
InitializationOptions { publish_decorations: false, show_workspace_loaded: true }
InitializationOptions {
publish_decorations: false,
show_workspace_loaded: true,
lru_capacity: None,
}
}
}
@ -54,8 +60,10 @@ mod test {
assert_eq!(default, serde_json::from_str(r#"{}"#).unwrap());
assert_eq!(
default,
serde_json::from_str(r#"{"publishDecorations":null, "showWorkspaceLoaded":null}"#)
.unwrap()
serde_json::from_str(
r#"{"publishDecorations":null, "showWorkspaceLoaded":null, "lruCapacity":null}"#
)
.unwrap()
);
}
}

2
crates/ra_lsp_server/src/main_loop.rs
View file

@ -73,7 +73,7 @@ pub fn main_loop(
loaded_workspaces
};
let mut state = WorldState::new(ws_roots, workspaces);
let mut state = WorldState::new(ws_roots, workspaces, options.lru_capacity);
let pool = ThreadPool::new(THREADPOOL_SIZE);
let (task_sender, task_receiver) = unbounded::<Task>();

8
crates/ra_lsp_server/src/world.rs
View file

@ -46,7 +46,11 @@ pub struct WorldSnapshot {
}
impl WorldState {
pub fn new(folder_roots: Vec<PathBuf>, workspaces: Vec<ProjectWorkspace>) -> WorldState {
pub fn new(
folder_roots: Vec<PathBuf>,
workspaces: Vec<ProjectWorkspace>,
lru_capacity: Option<usize>,
) -> WorldState {
let mut change = AnalysisChange::new();
let mut roots = Vec::new();
@ -74,7 +78,7 @@ impl WorldState {
}
change.set_crate_graph(crate_graph);
let mut analysis_host = AnalysisHost::default();
let mut analysis_host = AnalysisHost::new(lru_capacity);
analysis_host.apply_change(change);
WorldState {
roots_to_scan,

5
editors/code/package.json
View file

@ -232,6 +232,11 @@
],
"default": "off",
"description": "Trace output of cargo-watch"
},
"rust-analyzer.lruCapacity": {
"type": "number",
"default": null,
"description": "Number of syntax trees rust-analyzer keeps in memory"
}
}
},

4
editors/code/src/config.ts
View file

@ -19,6 +19,7 @@ export class Config {
public enableEnhancedTyping = true;
public raLspServerPath = RA_LSP_DEBUG || 'ra_lsp_server';
public showWorkspaceLoadedNotification = true;
public lruCapacity: null | number = null;
public cargoWatchOptions: CargoWatchOptions = {
enableOnStartup: 'ask',
trace: 'off',
@ -109,5 +110,8 @@ export class Config {
''
);
}
if (config.has('lruCapacity')) {
this.lruCapacity = config.get('lruCapacity') as number;
}
}
}

3
editors/code/src/server.ts
View file

@ -35,7 +35,8 @@ export class Server {
initializationOptions: {
publishDecorations: true,
showWorkspaceLoaded:
Server.config.showWorkspaceLoadedNotification
Server.config.showWorkspaceLoadedNotification,
lruCapacity: Server.config.lruCapacity
},
traceOutputChannel
};