Method refresh

src/frontend/views/live-watch.ts:247–292

(session: vscode.DebugSession)

    }

    public refresh(session: vscode.DebugSession): Promise<void> {
        return new Promise<void>((resolve) => {
            this.session = session;
            if (session !== LiveWatchTreeProvider.session) {
                resolve();
                return;
            }
            if (this.expr) {
                const arg: DebugProtocol.EvaluateArguments = {
                    expression: this.expr,
                    context: 'hover'
                };
                session.customRequest('liveEvaluate', arg).then((result) => {
                    if (result && result.result !== undefined) {
                        const oldType = this.type;
                        this.value = result.result;
                        this.type = result.type;
                        this.variablesReference = result.variablesReference ?? 0;
                        this.namedVariables = result.namedVariables ?? 0;
                        this.indexedVariables = result.indexedVariables ?? 0;
                        if (oldType !== this.type) {
                            this.children = this.variablesReference ? [] : undefined;
                        }
                        this.refreshChildren(resolve);
                    } else {
                        this.value = `<Failed to evaluate ${this.expr}>`;
                        this.children = undefined;
                        resolve();
                    }
                }, () => {
                    resolve();
                });
            } else if (this.children && !this.parent) {
                // This is the root node
                const promises = [];
                for (const child of this.children) {
                    promises.push(child.refresh(session));
                }
                Promise.allSettled(promises).finally(() => {
                    resolve();
                });
            } else {
                this.refreshChildren(resolve);
            }
        });
    }

    public addNewExpr(expr: string): boolean {
        if (this.parent) {