Examine scopes only within specific super-scopes, like with items.

Author: whitequark

src/cxxrtl/proto.ts

@@ -108,6 +108,7 @@ export type ScopeDescriptionMap = {
 export type CommandListScopes = {
     type: 'command';
     command: 'list_scopes';
+    scope: null | string;
 };
 
 export type ResponseListScopes = {

src/debug/session.ts

@@ -64,8 +64,8 @@ export class Session {
         if (scopeDescriptionMap === undefined) {
             const response = await this.connection.listScopes({
                 type: 'command',
-                command: 'list_scopes'
-                // FIXME: should be possible to filter by scope, too
+                command: 'list_scopes',
+                scope: scopeIdentifier,
             });
             const filteredScopes = Object.keys(response.scopes).filter((scopeName) => {
                 if (scopeIdentifier === '') {
@@ -104,7 +104,8 @@ export class Session {
         if (this.rootScopeDesc === undefined) {
             const response = await this.connection.listScopes({
                 type: 'command',
-                command: 'list_scopes'
+                command: 'list_scopes',
+                scope: scopeName,
             });
             this.rootScopeDesc = response.scopes[scopeName];
         }