| //! Defines a unit of change that can applied to the database to get the next |
| //! state. Changes are transactional. |
| use base_db::{salsa::Durability, CrateGraph, FileChange, SourceDatabaseExt, SourceRoot}; |
| use span::FileId; |
| use triomphe::Arc; |
| |
| use crate::{db::ExpandDatabase, proc_macro::ProcMacros}; |
| |
| #[derive(Debug, Default)] |
| pub struct Change { |
| pub source_change: FileChange, |
| pub proc_macros: Option<ProcMacros>, |
| } |
| |
| impl Change { |
| pub fn new() -> Self { |
| Self::default() |
| } |
| |
| pub fn apply(self, db: &mut (impl ExpandDatabase + SourceDatabaseExt)) { |
| self.source_change.apply(db); |
| if let Some(proc_macros) = self.proc_macros { |
| db.set_proc_macros_with_durability(Arc::new(proc_macros), Durability::HIGH); |
| } |
| } |
| |
| pub fn change_file(&mut self, file_id: FileId, new_text: Option<Arc<str>>) { |
| self.source_change.change_file(file_id, new_text) |
| } |
| |
| pub fn set_crate_graph(&mut self, graph: CrateGraph) { |
| self.source_change.set_crate_graph(graph) |
| } |
| |
| pub fn set_proc_macros(&mut self, proc_macros: ProcMacros) { |
| self.proc_macros = Some(proc_macros); |
| } |
| |
| pub fn set_roots(&mut self, roots: Vec<SourceRoot>) { |
| self.source_change.set_roots(roots) |
| } |
| } |
