Microsoft.DocAsCode.Build.Engine.SingleDocumentBuilder.BuildCore C# (CSharp) Method

        private IEnumerable<ManifestItemWithContext> BuildCore(List<HostService> hostServices, DocumentBuildContext context, string versionName)
        {
            //preparation
            PrepareBuild(context, hostServices);

            Action<HostService> buildSaver = null;
            Action<List<HostService>> loader = null;
            Action updater = null;
            if (ShouldTraceIncrementalInfo)
            {
                var incrementalContext = context.IncrementalBuildContext;
                var lbv = incrementalContext.LastBuildVersionInfo;
                var cbv = incrementalContext.CurrentBuildVersionInfo;
                buildSaver = h => h.SaveIntermediateModel(incrementalContext);
                loader = hs =>
                {
                    UpdateHostServices(context.IncrementalBuildContext, hostServices);
                    if (lbv != null)
                    {
                        foreach (var h in hs)
                        {
                            foreach (var file in from pair in incrementalContext.GetModelLoadInfo(h)
                                                 where pair.Value == BuildPhase.PostBuild
                                                 select pair.Key)
                            {
                                lbv.BuildMessage.Replay(file);
                            }
                        }
                    }
                    Logger.UnregisterListener(cbv.BuildMessage.GetListener());
                };
                updater = () =>
                {
                    incrementalContext.UpdateBuildVersionInfoPerDependencyGraph();
                };
            }

            try
            {
                BuildCore(hostServices, context.MaxParallelism, buildSaver, loader, updater);
            }
            catch (BuildCacheException e)
            {
                var message = $"Build cache was corrupted, please try force rebuild `build --force` or clear the cache files in the path: {IntermediateFolder}. Detail error: {e.Message}.";
                Logger.LogError(message);
                throw new DocfxException(message, e);
            }

            // export manifest
            return from h in hostServices
                   from m in ExportManifest(h, context)
                   select m;
        }