PSReadLine integration (WIP) #671
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,198 @@ | ||
| # PowerShell Editor Services Bootstrapper Script | ||
| # ---------------------------------------------- | ||
| # This script contains startup logic for the PowerShell Editor Services | ||
| # module when launched by an editor. It handles the following tasks: | ||
| # | ||
| # - Verifying the existence of dependencies like PowerShellGet | ||
| # - Verifying that the expected version of the PowerShellEditorServices module is installed | ||
| # - Installing the PowerShellEditorServices module if confirmed by the user | ||
| # - Finding unused TCP port numbers for the language and debug services to use | ||
| # - Starting the language and debug services from the PowerShellEditorServices module | ||
| # | ||
| # NOTE: If editor integration authors make modifications to this | ||
| # script, please consider contributing changes back to the | ||
| # canonical version of this script at the PowerShell Editor | ||
| # Services GitHub repository: | ||
| # | ||
| # https://github.com/PowerShell/PowerShellEditorServices/blob/master/module/Start-EditorServices.ps1 | ||
|
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||
| param( | ||
| [Parameter(Mandatory=$true)] | ||
| [ValidateNotNullOrEmpty()] | ||
| [string] | ||
| $EditorServicesVersion, | ||
|
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| [Parameter(Mandatory=$true)] | ||
| [ValidateNotNullOrEmpty()] | ||
| [string] | ||
| $HostName, | ||
|
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||
| [Parameter(Mandatory=$true)] | ||
| [ValidateNotNullOrEmpty()] | ||
| [string] | ||
| $HostProfileId, | ||
|
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| [Parameter(Mandatory=$true)] | ||
| [ValidateNotNullOrEmpty()] | ||
| [string] | ||
| $HostVersion, | ||
|
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||
| [ValidateNotNullOrEmpty()] | ||
| [string] | ||
| $BundledModulesPath, | ||
|
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||
| [ValidateNotNullOrEmpty()] | ||
| $LogPath, | ||
|
|
||
| [ValidateSet("Normal", "Verbose", "Error","Diagnostic")] | ||
| $LogLevel, | ||
|
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||
| [string[]] | ||
| $FeatureFlags = @(), | ||
|
|
||
| [switch] | ||
| $WaitForDebugger, | ||
|
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| [switch] | ||
| $ConfirmInstall | ||
| ) | ||
|
|
||
| # This variable will be assigned later to contain information about | ||
| # what happened while attempting to launch the PowerShell Editor | ||
| # Services host | ||
| $resultDetails = $null; | ||
|
|
||
| function Test-ModuleAvailable($ModuleName, $ModuleVersion) { | ||
| $modules = Get-Module -ListAvailable $moduleName | ||
| if ($modules -ne $null) { | ||
| if ($ModuleVersion -ne $null) { | ||
| foreach ($module in $modules) { | ||
| if ($module.Version.Equals($moduleVersion)) { | ||
| return $true; | ||
| } | ||
| } | ||
| } | ||
| else { | ||
| return $true; | ||
| } | ||
| } | ||
|
|
||
| return $false; | ||
| } | ||
|
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||
| function Test-PortAvailability($PortNumber) { | ||
| $portAvailable = $true; | ||
|
|
||
| try { | ||
| $ipAddress = [System.Net.Dns]::GetHostEntryAsync("localhost").Result.AddressList[0]; | ||
| $tcpListener = [System.Net.Sockets.TcpListener]::new($ipAddress, $portNumber); | ||
| $tcpListener.Start(); | ||
| $tcpListener.Stop(); | ||
|
|
||
| } | ||
| catch [System.Net.Sockets.SocketException] { | ||
| # Check the SocketErrorCode to see if it's the expected exception | ||
| if ($error[0].Exception.InnerException.SocketErrorCode -eq [System.Net.Sockets.SocketError]::AddressAlreadyInUse) { | ||
| $portAvailable = $false; | ||
| } | ||
| else { | ||
| Write-Output ("Error code: " + $error[0].SocketErrorCode) | ||
| } | ||
| } | ||
|
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| return $portAvailable; | ||
| } | ||
|
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||
| $rand = [System.Random]::new() | ||
| function Get-AvailablePort { | ||
| $triesRemaining = 10; | ||
|
|
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| while ($triesRemaining -gt 0) { | ||
| $port = $rand.Next(10000, 30000) | ||
| if ((Test-PortAvailability -PortAvailability $port) -eq $true) { | ||
| return $port | ||
| } | ||
|
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| $triesRemaining--; | ||
| } | ||
|
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| return $null | ||
| } | ||
|
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| # OUTPUT PROTOCOL | ||
| # - "started 29981 39898" - Server(s) are started, language and debug server ports (respectively) | ||
| # - "failed Error message describing the failure" - General failure while starting, show error message to user (?) | ||
| # - "needs_install" - User should be prompted to install PowerShell Editor Services via the PowerShell Gallery | ||
|
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| # Add BundledModulesPath to $env:PSModulePath | ||
| if ($BundledModulesPath) { | ||
| $env:PSMODULEPATH = $BundledModulesPath + [System.IO.Path]::PathSeparator + $env:PSMODULEPATH | ||
| } | ||
|
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||
| # Check if PowerShellGet module is available | ||
| if ((Test-ModuleAvailable "PowerShellGet") -eq $false) { | ||
| # TODO: WRITE ERROR | ||
| } | ||
|
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||
| # Check if the expected version of the PowerShell Editor Services | ||
| # module is installed | ||
| $parsedVersion = [System.Version]::new($EditorServicesVersion) | ||
| if ((Test-ModuleAvailable "PowerShellEditorServices" -RequiredVersion $parsedVersion) -eq $false) { | ||
| if ($ConfirmInstall) { | ||
| # TODO: Check for error and return failure if necessary | ||
| Install-Module "PowerShellEditorServices" -RequiredVersion $parsedVersion -Confirm | ||
| } | ||
| else { | ||
| # Indicate to the client that the PowerShellEditorServices module | ||
| # needs to be installed | ||
| Write-Output "needs_install" | ||
| } | ||
| } | ||
|
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| Import-Module PowerShellEditorServices -RequiredVersion $parsedVersion -ErrorAction Stop | ||
|
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| # Locate available port numbers for services | ||
| $languageServicePort = Get-AvailablePort | ||
| $debugServicePort = Get-AvailablePort | ||
|
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| $editorServicesHost = | ||
| Start-EditorServicesHost ` | ||
| -HostName $HostName ` | ||
| -HostProfileId $HostProfileId ` | ||
| -HostVersion $HostVersion ` | ||
| -LogPath $LogPath ` | ||
| -LogLevel $LogLevel ` | ||
| -AdditionalModules @() ` | ||
| -LanguageServicePort $languageServicePort ` | ||
| -DebugServicePort $debugServicePort ` | ||
| -BundledModulesPath $BundledModulesPath ` | ||
| -WaitForDebugger:$WaitForDebugger.IsPresent ` | ||
| -FeatureFlags $FeatureFlags | ||
|
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| # TODO: Verify that the service is started | ||
|
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| $resultDetails = @{ | ||
| "status" = "started"; | ||
| "channel" = "tcp"; | ||
| "languageServicePort" = $languageServicePort; | ||
| "debugServicePort" = $debugServicePort; | ||
| }; | ||
|
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| # Notify the client that the services have started | ||
| Write-Output (ConvertTo-Json -InputObject $resultDetails -Compress) | ||
|
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| try { | ||
| # Wait for the host to complete execution before exiting | ||
| $editorServicesHost.WaitForCompletion() | ||
| } | ||
| catch [System.Exception] { | ||
| $e = $_.Exception; #.InnerException; | ||
| $errorString = "" | ||
|
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| while ($e -ne $null) { | ||
| $errorString = $errorString + ($e.Message + "`r`n" + $e.StackTrace + "`r`n") | ||
| $e = $e.InnerException; | ||
| } | ||
|
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| Write-Error ("`r`nCaught error while waiting for EditorServicesHost to complete:`r`n" + $errorString) | ||
| } |
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Mistake, must have done a vim line join and didn't notice.