dead code

crates/ra_analysis/src/roots.rs

@@ -1,116 +0,0 @@
-use std::{sync::Arc};
-
-use rustc_hash::FxHashSet;
-use rayon::prelude::*;
-use salsa::Database;
-
-use crate::{
-    Cancelable,
-    db::{self, FilesDatabase, SyntaxDatabase},
-    imp::FileResolverImp,
-    symbol_index::SymbolIndex,
-    FileId,
-};
-
-pub(crate) trait SourceRoot {
-    fn contains(&self, file_id: FileId) -> bool;
-    fn db(&self) -> &db::RootDatabase;
-    fn symbols(&self, acc: &mut Vec<Arc<SymbolIndex>>) -> Cancelable<()>;
-}
-
-#[derive(Default, Debug, Clone)]
-pub(crate) struct WritableSourceRoot {
-    db: db::RootDatabase,
-}
-
-impl WritableSourceRoot {
-    pub fn apply_changes(
-        &mut self,
-        changes: &mut dyn Iterator<Item = (FileId, Option<String>)>,
-        file_resolver: Option<FileResolverImp>,
-    ) {
-        let mut changed = FxHashSet::default();
-        let mut removed = FxHashSet::default();
-        for (file_id, text) in changes {
-            match text {
-                None => {
-                    removed.insert(file_id);
-                }
-                Some(text) => {
-                    self.db
-                        .query(db::FileTextQuery)
-                        .set(file_id, Arc::new(text));
-                    changed.insert(file_id);
-                }
-            }
-        }
-        let file_set = self.db.file_set();
-        let mut files: FxHashSet<FileId> = file_set.files.clone();
-        for file_id in removed {
-            files.remove(&file_id);
-        }
-        files.extend(changed);
-        let resolver = file_resolver.unwrap_or_else(|| file_set.resolver.clone());
-        self.db
-            .query(db::FileSetQuery)
-            .set((), Arc::new(db::FileSet { files, resolver }));
-    }
-}
-
-impl SourceRoot for WritableSourceRoot {
-    fn contains(&self, file_id: FileId) -> bool {
-        self.db.file_set().files.contains(&file_id)
-    }
-    fn db(&self) -> &db::RootDatabase {
-        &self.db
-    }
-    fn symbols<'a>(&'a self, acc: &mut Vec<Arc<SymbolIndex>>) -> Cancelable<()> {
-        for &file_id in self.db.file_set().files.iter() {
-            let symbols = self.db.file_symbols(file_id)?;
-            acc.push(symbols)
-        }
-        Ok(())
-    }
-}
-
-#[derive(Debug, Clone)]
-pub(crate) struct ReadonlySourceRoot {
-    db: db::RootDatabase,
-    symbol_index: Arc<SymbolIndex>,
-}
-
-impl ReadonlySourceRoot {
-    pub(crate) fn new(
-        files: Vec<(FileId, String)>,
-        resolver: FileResolverImp,
-    ) -> ReadonlySourceRoot {
-        let db = db::RootDatabase::default();
-        let mut file_ids = FxHashSet::default();
-        for (file_id, text) in files {
-            file_ids.insert(file_id);
-            db.query(db::FileTextQuery).set(file_id, Arc::new(text));
-        }
-
-        db.query(db::FileSetQuery)
-            .set((), Arc::new(db::FileSet { files: file_ids, resolver }));
-        let file_set = db.file_set();
-        let symbol_index =
-            SymbolIndex::for_files(file_set.files.par_iter()
-                .map_with(db.clone(), |db, &file_id| (file_id, db.file_syntax(file_id))));
-
-        ReadonlySourceRoot { db, symbol_index: Arc::new(symbol_index) }
-    }
-}
-
-impl SourceRoot for ReadonlySourceRoot {
-    fn contains(&self, file_id: FileId) -> bool {
-        self.db.file_set().files.contains(&file_id)
-    }
-    fn db(&self) -> &db::RootDatabase {
-        &self.db
-    }
-    fn symbols(&self, acc: &mut Vec<Arc<SymbolIndex>>) -> Cancelable<()> {
-        acc.push(Arc::clone(&self.symbol_index));
-        Ok(())
-    }
-}