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Don't crash when refreshing IntelliSense cache disconnected (#260)

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* Prevent null ref exception in refresh cache handler

* Send refresh complete event when disconnected

* Wrap handler in global try/catch
This commit is contained in:
Karl Burtram
2017-02-28 16:15:11 -08:00
committed by Kevin Cunnane
parent 74ba68053b
commit 0d99b36cc1
1 changed files with 62 additions and 45 deletions
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21
src/Microsoft.SqlTools.ServiceLayer/LanguageServices/LanguageService.cs
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@@ -456,13 +456,15 @@ namespace Microsoft.SqlTools.ServiceLayer.LanguageServices
/// Handle the rebuild IntelliSense cache notification /// Handle the rebuild IntelliSense cache notification
/// </summary> /// </summary>
public async Task HandleRebuildIntelliSenseNotification( public async Task HandleRebuildIntelliSenseNotification(
RebuildIntelliSenseParams configChangeParams, RebuildIntelliSenseParams rebuildParams,
EventContext eventContext) EventContext eventContext)
{
try
{ {
Logger.Write(LogLevel.Verbose, "HandleRebuildIntelliSenseNotification"); Logger.Write(LogLevel.Verbose, "HandleRebuildIntelliSenseNotification");
// Skip closing this file if the file doesn't exist // Skip closing this file if the file doesn't exist
var scriptFile = this.CurrentWorkspace.GetFile(configChangeParams.OwnerUri); var scriptFile = this.CurrentWorkspace.GetFile(rebuildParams.OwnerUri);
if (scriptFile == null) if (scriptFile == null)
{ {
return; return;
@@ -473,6 +475,9 @@ namespace Microsoft.SqlTools.ServiceLayer.LanguageServices
scriptFile.ClientFilePath, scriptFile.ClientFilePath,
out connInfo); out connInfo);
// check that there is an active connection for the current editor
if (connInfo != null)
{
await Task.Run(() => await Task.Run(() =>
{ {
ScriptParseInfo scriptInfo = GetScriptParseInfo(connInfo.OwnerUri, createIfNotExists: false); ScriptParseInfo scriptInfo = GetScriptParseInfo(connInfo.OwnerUri, createIfNotExists: false);
@@ -507,6 +512,18 @@ namespace Microsoft.SqlTools.ServiceLayer.LanguageServices
ServiceHost.Instance.SendEvent(IntelliSenseReadyNotification.Type, new IntelliSenseReadyParams() {OwnerUri = connInfo.OwnerUri}); ServiceHost.Instance.SendEvent(IntelliSenseReadyNotification.Type, new IntelliSenseReadyParams() {OwnerUri = connInfo.OwnerUri});
}); });
} }
else
{
// Send a notification to signal that autocomplete is ready
await ServiceHost.Instance.SendEvent(IntelliSenseReadyNotification.Type, new IntelliSenseReadyParams() {OwnerUri = rebuildParams.OwnerUri});
}
}
catch (Exception ex)
{
Logger.Write(LogLevel.Error, "Unknown error " + ex.ToString());
await ServiceHost.Instance.SendEvent(IntelliSenseReadyNotification.Type, new IntelliSenseReadyParams() {OwnerUri = rebuildParams.OwnerUri});
}
}
/// <summary> /// <summary>
/// Handle the file configuration change notification /// Handle the file configuration change notification