use std::{fmt, iter::FromIterator, sync::Arc}; use hir::MacroFile; use ra_db::{ salsa::{ debug::{DebugQueryTable, TableEntry}, Database, }, FileTextQuery, SourceRootId, }; use ra_prof::{memory_usage, Bytes}; use ra_syntax::{AstNode, Parse, SyntaxNode, TreeArc}; use crate::{ db::RootDatabase, symbol_index::{LibrarySymbolsQuery, SymbolIndex}, FileId, }; pub(crate) fn syntax_tree_stats(db: &RootDatabase) -> SyntaxTreeStats { db.query(ra_db::ParseQuery).entries::() } pub(crate) fn macro_syntax_tree_stats(db: &RootDatabase) -> SyntaxTreeStats { db.query(hir::db::ParseMacroQuery).entries::() } pub(crate) fn status(db: &RootDatabase) -> String { let files_stats = db.query(FileTextQuery).entries::(); let syntax_tree_stats = syntax_tree_stats(db); let macro_syntax_tree_stats = macro_syntax_tree_stats(db); let symbols_stats = db.query(LibrarySymbolsQuery).entries::(); format!( "{}\n{}\n{}\n{} (macros)\n\n\nmemory:\n{}\ngc {:?} seconds ago", files_stats, symbols_stats, syntax_tree_stats, macro_syntax_tree_stats, memory_usage(), db.last_gc.elapsed().as_secs(), ) } #[derive(Default)] struct FilesStats { total: usize, size: Bytes, } impl fmt::Display for FilesStats { fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result { write!(fmt, "{} ({}) files", self.total, self.size) } } impl FromIterator>> for FilesStats { fn from_iter(iter: T) -> FilesStats where T: IntoIterator>>, { let mut res = FilesStats::default(); for entry in iter { res.total += 1; res.size += entry.value.unwrap().len(); } res } } #[derive(Default)] pub(crate) struct SyntaxTreeStats { total: usize, pub(crate) retained: usize, retained_size: Bytes, } impl fmt::Display for SyntaxTreeStats { fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result { write!(fmt, "{} trees, {} ({}) retained", self.total, self.retained, self.retained_size,) } } impl FromIterator> for SyntaxTreeStats { fn from_iter(iter: T) -> SyntaxTreeStats where T: IntoIterator>, { let mut res = SyntaxTreeStats::default(); for entry in iter { res.total += 1; if let Some(tree) = entry.value.as_ref().map(|it| it.tree()) { res.retained += 1; res.retained_size += tree.syntax().memory_size_of_subtree(); } } res } } impl FromIterator>>> for SyntaxTreeStats { fn from_iter(iter: T) -> SyntaxTreeStats where T: IntoIterator>>>, { let mut res = SyntaxTreeStats::default(); for entry in iter { res.total += 1; if let Some(tree) = entry.value.and_then(|it| it) { res.retained += 1; res.retained_size += tree.memory_size_of_subtree(); } } res } } #[derive(Default)] struct LibrarySymbolsStats { total: usize, size: Bytes, } impl fmt::Display for LibrarySymbolsStats { fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result { write!(fmt, "{} ({}) symbols", self.total, self.size,) } } impl FromIterator>> for LibrarySymbolsStats { fn from_iter(iter: T) -> LibrarySymbolsStats where T: IntoIterator>>, { let mut res = LibrarySymbolsStats::default(); for entry in iter { let value = entry.value.unwrap(); res.total += value.len(); res.size += value.memory_size(); } res } }