internal: Remove unnecessary Arc allocations in macro_expand

editors/code/src/config.ts

@@ -5,6 +5,7 @@ import * as vscode from "vscode";
 import type { Env } from "./client";
 import { log } from "./util";
 import { expectNotUndefined, unwrapUndefinable } from "./undefinable";
+import type { JsonProject } from "./rust_project";
 
 export type RunnableEnvCfgItem = {
     mask?: string;

editors/code/src/ctx.ts

@@ -23,6 +23,7 @@ import { execRevealDependency } from "./commands";
 import { PersistentState } from "./persistent_state";
 import { bootstrap } from "./bootstrap";
 import type { RustAnalyzerExtensionApi } from "./main";
+import type { JsonProject } from "./rust_project";
 
 // We only support local folders, not eg. Live Share (`vlsl:` scheme), so don't activate if
 // only those are in use. We use "Empty" to represent these scenarios

editors/code/src/main.ts

@@ -6,6 +6,7 @@ import { type CommandFactory, Ctx, fetchWorkspace } from "./ctx";
 import * as diagnostics from "./diagnostics";
 import { activateTaskProvider } from "./tasks";
 import { setContextValue } from "./util";
+import type { JsonProject } from "./rust_project";
 
 const RUST_PROJECT_CONTEXT_NAME = "inRustProject";
 

editors/code/src/rust_project.ts

@@ -1,4 +1,4 @@
-interface JsonProject {
+export interface JsonProject {
     /// Path to the directory with *source code* of
     /// sysroot crates.
     ///
@@ -21,7 +21,7 @@ interface JsonProject {
     crates: Crate[];
 }
 
-interface Crate {
+export interface Crate {
     /// Optional crate name used for display purposes,
     /// without affecting semantics. See the `deps`
     /// key for semantically-significant crate names.
@@ -82,7 +82,7 @@ interface Crate {
     proc_macro_dylib_path?: string;
 }
 
-interface Dep {
+export interface Dep {
     /// Index of a crate in the `crates` array.
     crate: number;
     /// Name as should appear in the (implicit)