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automatically collect garbage

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This commit is contained in:
Aleksey Kladov 2019-01-26 20:33:33 +03:00
parent 19f77603c0
commit 7801f6b50f
8 changed files with 75 additions and 25 deletions
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48
crates/ra_ide_api/src/imp.rs
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@ -1,4 +1,7 @@
use std::sync::Arc;
use std::{
sync::Arc,
time,
};
use hir::{
self, Problem, source_binder
@ -19,12 +22,14 @@ use crate::{
CrateId, db, Diagnostic, FileId, FilePosition, FileRange, FileSystemEdit,
Query, RootChange, SourceChange, SourceFileEdit,
symbol_index::{FileSymbol, SymbolsDatabase},
status::syntax_tree_stats
};
const GC_COOLDOWN: time::Duration = time::Duration::from_millis(100);
impl db::RootDatabase {
pub(crate) fn apply_change(&mut self, change: AnalysisChange) {
log::info!("apply_change {:?}", change);
// self.gc_syntax_trees();
if !change.new_roots.is_empty() {
let mut local_roots = Vec::clone(&self.local_roots());
for (root_id, is_local) in change.new_roots {
@ -72,18 +77,41 @@ impl db::RootDatabase {
self.set_source_root(root_id, Arc::new(source_root));
}
pub(crate) fn maybe_collect_garbage(&mut self) {
if self.last_gc_check.elapsed() > GC_COOLDOWN {
self.last_gc_check = time::Instant::now();
let retained_trees = syntax_tree_stats(self).retained;
if retained_trees > 100 {
log::info!(
"automatic garbadge collection, {} retained trees",
retained_trees
);
self.collect_garbage();
}
}
}
/// Ideally, we should call this function from time to time to collect heavy
/// syntax trees. However, if we actually do that, everything is recomputed
/// for some reason. Needs investigation.
pub(crate) fn collect_garbage(&mut self) {
self.query(ra_db::ParseQuery)
.sweep(SweepStrategy::default().discard_values());
self.query(hir::db::HirParseQuery)
.sweep(SweepStrategy::default().discard_values());
self.query(hir::db::FileItemsQuery)
.sweep(SweepStrategy::default().discard_values());
self.query(hir::db::FileItemQuery)
.sweep(SweepStrategy::default().discard_values());
self.last_gc = time::Instant::now();
let sweep = SweepStrategy::default()
.discard_values()
.discard_all_revisions();
self.query(ra_db::ParseQuery).sweep(sweep.clone());
self.query(hir::db::HirParseQuery).sweep(sweep.clone());
self.query(hir::db::FileItemsQuery).sweep(sweep.clone());
self.query(hir::db::FileItemQuery).sweep(sweep.clone());
self.query(hir::db::LowerModuleQuery).sweep(sweep.clone());
self.query(hir::db::LowerModuleSourceMapQuery)
.sweep(sweep.clone());
self.query(hir::db::BodySyntaxMappingQuery)
.sweep(sweep.clone());
}
}