| //! Applies changes to the IDE state transactionally. |
| |
| use base_db::{ |
| salsa::{ |
| debug::{DebugQueryTable, TableEntry}, |
| Database, Durability, Query, QueryTable, |
| }, |
| SourceRootId, |
| }; |
| use profile::{memory_usage, Bytes}; |
| use rustc_hash::FxHashSet; |
| use triomphe::Arc; |
| |
| use crate::{symbol_index::SymbolsDatabase, ChangeWithProcMacros, RootDatabase}; |
| |
| impl RootDatabase { |
| pub fn request_cancellation(&mut self) { |
| let _p = |
| tracing::span!(tracing::Level::INFO, "RootDatabase::request_cancellation").entered(); |
| self.synthetic_write(Durability::LOW); |
| } |
| |
| pub fn apply_change(&mut self, change: ChangeWithProcMacros) { |
| let _p = tracing::span!(tracing::Level::INFO, "RootDatabase::apply_change").entered(); |
| self.request_cancellation(); |
| tracing::trace!("apply_change {:?}", change); |
| if let Some(roots) = &change.source_change.roots { |
| let mut local_roots = FxHashSet::default(); |
| let mut library_roots = FxHashSet::default(); |
| for (idx, root) in roots.iter().enumerate() { |
| let root_id = SourceRootId(idx as u32); |
| if root.is_library { |
| library_roots.insert(root_id); |
| } else { |
| local_roots.insert(root_id); |
| } |
| } |
| self.set_local_roots_with_durability(Arc::new(local_roots), Durability::HIGH); |
| self.set_library_roots_with_durability(Arc::new(library_roots), Durability::HIGH); |
| } |
| change.apply(self); |
| } |
| |
| // Feature: Memory Usage |
| // |
| // Clears rust-analyzer's internal database and prints memory usage statistics. |
| // |
| // |=== |
| // | Editor | Action Name |
| // |
| // | VS Code | **rust-analyzer: Memory Usage (Clears Database)** |
| // |=== |
| // image::https://user-images.githubusercontent.com/48062697/113065592-08559f00-91b1-11eb-8c96-64b88068ec02.gif[] |
| pub fn per_query_memory_usage(&mut self) -> Vec<(String, Bytes, usize)> { |
| let mut acc: Vec<(String, Bytes, usize)> = vec![]; |
| |
| fn collect_query_count<'q, Q>(table: &QueryTable<'q, Q>) -> usize |
| where |
| QueryTable<'q, Q>: DebugQueryTable, |
| Q: Query, |
| <Q as Query>::Storage: 'q, |
| { |
| struct EntryCounter(usize); |
| impl<K, V> FromIterator<TableEntry<K, V>> for EntryCounter { |
| fn from_iter<T>(iter: T) -> EntryCounter |
| where |
| T: IntoIterator<Item = TableEntry<K, V>>, |
| { |
| EntryCounter(iter.into_iter().count()) |
| } |
| } |
| table.entries::<EntryCounter>().0 |
| } |
| |
| macro_rules! purge_each_query { |
| ($($q:path)*) => {$( |
| let before = memory_usage().allocated; |
| let table = $q.in_db(self); |
| let count = collect_query_count(&table); |
| table.purge(); |
| let after = memory_usage().allocated; |
| let q: $q = Default::default(); |
| let name = format!("{:?}", q); |
| acc.push((name, before - after, count)); |
| )*} |
| } |
| purge_each_query![ |
| // SymbolsDatabase |
| crate::symbol_index::ModuleSymbolsQuery |
| crate::symbol_index::LibrarySymbolsQuery |
| crate::symbol_index::LocalRootsQuery |
| crate::symbol_index::LibraryRootsQuery |
| // HirDatabase |
| hir::db::MirBodyQuery |
| hir::db::BorrowckQuery |
| hir::db::TyQuery |
| hir::db::ValueTyQuery |
| hir::db::ImplSelfTyQuery |
| hir::db::ConstParamTyQuery |
| hir::db::ConstEvalQuery |
| hir::db::ConstEvalDiscriminantQuery |
| hir::db::ImplTraitQuery |
| hir::db::FieldTypesQuery |
| hir::db::LayoutOfAdtQuery |
| hir::db::TargetDataLayoutQuery |
| hir::db::CallableItemSignatureQuery |
| hir::db::ReturnTypeImplTraitsQuery |
| hir::db::GenericPredicatesForParamQuery |
| hir::db::GenericPredicatesQuery |
| hir::db::TraitEnvironmentQuery |
| hir::db::GenericDefaultsQuery |
| hir::db::InherentImplsInCrateQuery |
| hir::db::InherentImplsInBlockQuery |
| hir::db::IncoherentInherentImplCratesQuery |
| hir::db::TraitImplsInCrateQuery |
| hir::db::TraitImplsInBlockQuery |
| hir::db::TraitImplsInDepsQuery |
| hir::db::InternCallableDefQuery |
| hir::db::InternLifetimeParamIdQuery |
| hir::db::InternImplTraitIdQuery |
| hir::db::InternTypeOrConstParamIdQuery |
| hir::db::InternClosureQuery |
| hir::db::InternCoroutineQuery |
| hir::db::AssociatedTyDataQuery |
| hir::db::TraitDatumQuery |
| hir::db::AdtDatumQuery |
| hir::db::ImplDatumQuery |
| hir::db::FnDefDatumQuery |
| hir::db::FnDefVarianceQuery |
| hir::db::AdtVarianceQuery |
| hir::db::AssociatedTyValueQuery |
| hir::db::ProgramClausesForChalkEnvQuery |
| |
| // DefDatabase |
| hir::db::FileItemTreeQuery |
| hir::db::BlockDefMapQuery |
| hir::db::StructDataWithDiagnosticsQuery |
| hir::db::UnionDataWithDiagnosticsQuery |
| hir::db::EnumDataQuery |
| hir::db::EnumVariantDataWithDiagnosticsQuery |
| hir::db::ImplDataWithDiagnosticsQuery |
| hir::db::TraitDataWithDiagnosticsQuery |
| hir::db::TraitAliasDataQuery |
| hir::db::TypeAliasDataQuery |
| hir::db::FunctionDataQuery |
| hir::db::ConstDataQuery |
| hir::db::StaticDataQuery |
| hir::db::Macro2DataQuery |
| hir::db::MacroRulesDataQuery |
| hir::db::ProcMacroDataQuery |
| hir::db::BodyWithSourceMapQuery |
| hir::db::BodyQuery |
| hir::db::ExprScopesQuery |
| hir::db::GenericParamsQuery |
| hir::db::FieldsAttrsQuery |
| hir::db::FieldsAttrsSourceMapQuery |
| hir::db::AttrsQuery |
| hir::db::CrateLangItemsQuery |
| hir::db::LangItemQuery |
| hir::db::ImportMapQuery |
| hir::db::FieldVisibilitiesQuery |
| hir::db::FunctionVisibilityQuery |
| hir::db::ConstVisibilityQuery |
| hir::db::CrateSupportsNoStdQuery |
| hir::db::ExternCrateDeclDataQuery |
| hir::db::InternAnonymousConstQuery |
| hir::db::InternExternCrateQuery |
| hir::db::InternInTypeConstQuery |
| hir::db::InternUseQuery |
| |
| // InternDatabase |
| hir::db::InternFunctionQuery |
| hir::db::InternStructQuery |
| hir::db::InternUnionQuery |
| hir::db::InternEnumQuery |
| hir::db::InternConstQuery |
| hir::db::InternStaticQuery |
| hir::db::InternTraitQuery |
| hir::db::InternTraitAliasQuery |
| hir::db::InternTypeAliasQuery |
| hir::db::InternImplQuery |
| hir::db::InternExternBlockQuery |
| hir::db::InternBlockQuery |
| hir::db::InternMacro2Query |
| hir::db::InternProcMacroQuery |
| hir::db::InternMacroRulesQuery |
| |
| // ExpandDatabase |
| hir::db::AstIdMapQuery |
| hir::db::DeclMacroExpanderQuery |
| hir::db::ExpandProcMacroQuery |
| hir::db::InternMacroCallQuery |
| hir::db::InternSyntaxContextQuery |
| hir::db::MacroArgQuery |
| hir::db::ParseMacroExpansionQuery |
| hir::db::RealSpanMapQuery |
| hir::db::ProcMacrosQuery |
| |
| // LineIndexDatabase |
| crate::LineIndexQuery |
| |
| // SourceDatabase |
| base_db::ParseQuery |
| base_db::CrateGraphQuery |
| |
| // SourceDatabaseExt |
| base_db::FileTextQuery |
| base_db::FileSourceRootQuery |
| base_db::SourceRootQuery |
| base_db::SourceRootCratesQuery |
| ]; |
| |
| acc.sort_by_key(|it| std::cmp::Reverse(it.1)); |
| acc |
| } |
| } |
