internal: add "Shuffle Crate Graph" command

crates/rust-analyzer/src/handlers.rs

@@ -97,6 +97,11 @@ pub(crate) fn handle_memory_usage(state: &mut GlobalState, _: ()) -> Result<Stri
     Ok(out)
 }
 
+pub(crate) fn handle_shuffle_crate_graph(state: &mut GlobalState, _: ()) -> Result<()> {
+    state.analysis_host.shuffle_crate_graph();
+    Ok(())
+}
+
 pub(crate) fn handle_syntax_tree(
     snap: GlobalStateSnapshot,
     params: lsp_ext::SyntaxTreeParams,

crates/rust-analyzer/src/lsp_ext.rs

@@ -31,6 +31,14 @@ impl Request for MemoryUsage {
     const METHOD: &'static str = "rust-analyzer/memoryUsage";
 }
 
+pub enum ShuffleCrateGraph {}
+
+impl Request for ShuffleCrateGraph {
+    type Params = ();
+    type Result = ();
+    const METHOD: &'static str = "rust-analyzer/shuffleCrateGraph";
+}
+
 pub enum ReloadWorkspace {}
 
 impl Request for ReloadWorkspace {

crates/rust-analyzer/src/main_loop.rs

@@ -567,6 +567,7 @@ impl GlobalState {
                 Ok(())
             })?
             .on_sync_mut::<lsp_ext::MemoryUsage>(handlers::handle_memory_usage)?
+            .on_sync_mut::<lsp_ext::ShuffleCrateGraph>(handlers::handle_shuffle_crate_graph)?
             .on_sync::<lsp_ext::JoinLines>(handlers::handle_join_lines)?
             .on_sync::<lsp_ext::OnEnter>(handlers::handle_on_enter)?
             .on_sync::<lsp_types::request::SelectionRangeRequest>(handlers::handle_selection_range)?