| //! 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, CrateId, FileChange, SourceDatabaseExt, SourceRoot, |
| TargetLayoutLoadResult, Version, |
| }; |
| use la_arena::RawIdx; |
| use span::FileId; |
| use triomphe::Arc; |
| |
| use crate::{db::ExpandDatabase, proc_macro::ProcMacros}; |
| |
| #[derive(Debug, Default)] |
| pub struct ChangeWithProcMacros { |
| pub source_change: FileChange, |
| pub proc_macros: Option<ProcMacros>, |
| pub toolchains: Option<Vec<Option<Version>>>, |
| pub target_data_layouts: Option<Vec<TargetLayoutLoadResult>>, |
| } |
| |
| impl ChangeWithProcMacros { |
| 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); |
| } |
| if let Some(target_data_layouts) = self.target_data_layouts { |
| for (id, val) in target_data_layouts.into_iter().enumerate() { |
| db.set_data_layout_with_durability( |
| CrateId::from_raw(RawIdx::from(id as u32)), |
| val, |
| Durability::HIGH, |
| ); |
| } |
| } |
| if let Some(toolchains) = self.toolchains { |
| for (id, val) in toolchains.into_iter().enumerate() { |
| db.set_toolchain_with_durability( |
| CrateId::from_raw(RawIdx::from(id as u32)), |
| val, |
| 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_toolchains(&mut self, toolchains: Vec<Option<Version>>) { |
| self.toolchains = Some(toolchains); |
| } |
| |
| pub fn set_target_data_layouts(&mut self, target_data_layouts: Vec<TargetLayoutLoadResult>) { |
| self.target_data_layouts = Some(target_data_layouts); |
| } |
| |
| pub fn set_roots(&mut self, roots: Vec<SourceRoot>) { |
| self.source_change.set_roots(roots) |
| } |
| } |