Expose symbol of CrateName

Author: Veykril

src/tools/rust-analyzer/crates/base-db/src/input.rs

@@ -129,9 +129,9 @@ impl fmt::Display for CrateName {
 }
 
 impl ops::Deref for CrateName {
-    type Target = str;
-    fn deref(&self) -> &str {
-        self.0.as_str()
+    type Target = Symbol;
+    fn deref(&self) -> &Symbol {
+        &self.0
     }
 }
 
@@ -230,8 +230,8 @@ impl fmt::Display for CrateDisplayName {
 }
 
 impl ops::Deref for CrateDisplayName {
-    type Target = str;
-    fn deref(&self) -> &str {
+    type Target = Symbol;
+    fn deref(&self) -> &Symbol {
         &self.crate_name
     }
 }

src/tools/rust-analyzer/crates/hir-def/src/import_map.rs

@@ -519,7 +519,7 @@ mod tests {
                 crate_graph[krate]
                     .display_name
                     .as_ref()
-                    .is_some_and(|it| &**it.crate_name() == crate_name)
+                    .is_some_and(|it| it.crate_name().as_str() == crate_name)
             })
             .expect("could not find crate");
 

src/tools/rust-analyzer/crates/hir-def/src/nameres.rs

@@ -337,7 +337,7 @@ impl DefMap {
     pub(crate) fn crate_def_map_query(db: &dyn DefDatabase, crate_id: CrateId) -> Arc<DefMap> {
         let crate_graph = db.crate_graph();
         let krate = &crate_graph[crate_id];
-        let name = krate.display_name.as_deref().unwrap_or_default();
+        let name = krate.display_name.as_deref().map(Symbol::as_str).unwrap_or_default();
         let _p = tracing::info_span!("crate_def_map_query", ?name).entered();
 
         let module_data = ModuleData::new(

src/tools/rust-analyzer/crates/hir-expand/src/name.rs

@@ -262,6 +262,6 @@ impl AsName for ast::FieldKind {
 
 impl AsName for base_db::Dependency {
     fn as_name(&self) -> Name {
-        Name::new_root(&self.name)
+        Name::new_symbol_root((*self.name).clone())
     }
 }

src/tools/rust-analyzer/crates/hir-expand/src/prettify_macro_expansion_.rs

@@ -41,9 +41,9 @@ pub fn prettify_macro_expansion(
                 } else if let Some(dep) =
                     target_crate.dependencies.iter().find(|dep| dep.crate_id == macro_def_crate)
                 {
-                    make::tokens::ident(&dep.name)
+                    make::tokens::ident(dep.name.as_str())
                 } else if let Some(crate_name) = &crate_graph[macro_def_crate].display_name {
-                    make::tokens::ident(crate_name.crate_name())
+                    make::tokens::ident(crate_name.crate_name().as_str())
                 } else {
                     return dollar_crate.clone();
                 }

src/tools/rust-analyzer/crates/ide-db/src/prime_caches.rs

@@ -6,7 +6,7 @@ mod topologic_sort;
 
 use std::time::Duration;
 
-use hir::db::DefDatabase;
+use hir::{db::DefDatabase, Symbol};
 use itertools::Itertools;
 
 use crate::{
@@ -22,7 +22,7 @@ use crate::{
 #[derive(Debug)]
 pub struct ParallelPrimeCachesProgress {
     /// the crates that we are currently priming.
-    pub crates_currently_indexing: Vec<String>,
+    pub crates_currently_indexing: Vec<Symbol>,
     /// the total number of crates we want to prime.
     pub crates_total: usize,
     /// the total number of crates that have finished priming
@@ -49,7 +49,7 @@ pub fn parallel_prime_caches(
     };
 
     enum ParallelPrimeCacheWorkerProgress {
-        BeginCrate { crate_id: CrateId, crate_name: String },
+        BeginCrate { crate_id: CrateId, crate_name: Symbol },
         EndCrate { crate_id: CrateId },
     }
 
@@ -112,7 +112,11 @@ pub fn parallel_prime_caches(
 
         for crate_id in &mut crates_to_prime {
             let krate = &graph[crate_id];
-            let name = krate.display_name.as_deref().unwrap_or_default().to_owned();
+            let name = krate
+                .display_name
+                .as_deref()
+                .cloned()
+                .unwrap_or_else(|| Symbol::integer(crate_id.into_raw().into_u32() as usize));
             if krate.origin.is_lang() {
                 additional_phases.push((crate_id, name.clone(), PrimingPhase::ImportMap));
             } else if krate.origin.is_local() {
@@ -195,7 +199,6 @@ pub fn parallel_prime_caches(
             }
             ParallelPrimeCacheWorkerProgress::EndCrate { crate_id } => {
                 crates_currently_indexing.swap_remove(&crate_id);
-                crates_to_prime.mark_done(crate_id);
                 crates_done += 1;
             }
         };

src/tools/rust-analyzer/crates/ide/src/view_crate_graph.rs

@@ -84,7 +84,8 @@ impl<'a> dot::Labeller<'a, CrateId, Edge<'a>> for DotCrateGraph {
     }
 
     fn node_label(&'a self, n: &CrateId) -> LabelText<'a> {
-        let name = self.graph[*n].display_name.as_ref().map_or("(unnamed crate)", |name| name);
+        let name =
+            self.graph[*n].display_name.as_ref().map_or("(unnamed crate)", |name| name.as_str());
         LabelText::LabelStr(name.into())
     }
 }

src/tools/rust-analyzer/crates/intern/src/symbol/symbols.rs

@@ -480,6 +480,7 @@ define_symbols! {
     u64,
     u8,
     unadjusted,
+    unknown,
     Unknown,
     unpin,
     unreachable_2015,

src/tools/rust-analyzer/crates/project-model/src/project_json.rs

@@ -508,5 +508,5 @@ fn serialize_crate_name<S>(name: &CrateName, se: S) -> Result<S::Ok, S::Error>
 where
     S: serde::Serializer,
 {
-    se.serialize_str(name)
+    se.serialize_str(name.as_str())
 }

src/tools/rust-analyzer/crates/project-model/src/tests.rs

@@ -230,7 +230,7 @@ fn rust_project_is_proc_macro_has_proc_macro_dep() {
     let crate_data = &crate_graph[crate_id];
     // Assert that the project crate with `is_proc_macro` has a dependency
     // on the proc_macro sysroot crate.
-    crate_data.dependencies.iter().find(|&dep| dep.name.deref() == "proc_macro").unwrap();
+    crate_data.dependencies.iter().find(|&dep| *dep.name.deref() == sym::proc_macro).unwrap();
 }
 
 #[test]