/// <summary>
/// The principal constructor that most hosts will use when creating
/// an instance of the automation engine. It allows you to pass in an
/// instance of PSHost that provides the host-specific I/O routines, etc.
/// </summary>
internal AutomationEngine(PSHost hostInterface, RunspaceConfiguration runspaceConfiguration, InitialSessionState iss)
{
#if !CORECLR// There is no control panel items in CSS
// Update the env variable PathEXT to contain .CPL
var pathext = Environment.GetEnvironmentVariable("PathEXT");
pathext = pathext ?? string.Empty;
bool cplExist = false;
if (pathext != string.Empty)
{
string[] entries = pathext.Split(Utils.Separators.Semicolon);
foreach (string entry in entries)
{
string ext = entry.Trim();
if (ext.Equals(".CPL", StringComparison.OrdinalIgnoreCase))
{
cplExist = true;
break;
}
}
}
if (!cplExist)
{
pathext = (pathext == string.Empty) ? ".CPL" :
pathext.EndsWith(";", StringComparison.OrdinalIgnoreCase)
? (pathext + ".CPL") : (pathext + ";.CPL");
Environment.SetEnvironmentVariable("PathEXT", pathext);
}
#endif
if (runspaceConfiguration != null)
{
Context = new ExecutionContext(this, hostInterface, runspaceConfiguration);
}
else
{
Context = new ExecutionContext(this, hostInterface, iss);
}
EngineParser = new Language.Parser();
CommandDiscovery = new CommandDiscovery(Context);
// Initialize providers before loading types so that any ScriptBlocks in the
// types.ps1xml file can be parsed.
// Bind the execution context with RunspaceConfiguration.
// This has the side effect of initializing cmdlet cache and providers from runspace configuration.
if (runspaceConfiguration != null)
{
runspaceConfiguration.Bind(Context);
}
else
{
// Load the iss, resetting everything to it's defaults...
iss.Bind(Context, /*updateOnly*/ false);
}
InitialSessionState.SetSessionStateDrive(Context, true);
InitialSessionState.CreateQuestionVariable(Context);
}
internal AutomationEngine(PSHost hostInterface, RunspaceConfiguration runspaceConfiguration, InitialSessionState iss)
{
string str = Environment.GetEnvironmentVariable("PathEXT") ?? string.Empty;
bool flag = false;
if (str != string.Empty)
{
foreach (string str2 in str.Split(new char[] { ';' }))
{
if (str2.Trim().Equals(".CPL", StringComparison.OrdinalIgnoreCase))
{
flag = true;
break;
}
}
}
if (!flag)
{
str = (str == string.Empty) ? ".CPL" : (str.EndsWith(";", StringComparison.OrdinalIgnoreCase) ? (str + ".CPL") : (str + ";.CPL"));
Environment.SetEnvironmentVariable("PathEXT", str);
}
if (runspaceConfiguration != null)
{
this._context = new ExecutionContext(this, hostInterface, runspaceConfiguration);
}
else
{
this._context = new ExecutionContext(this, hostInterface, iss);
}
this.EngineNewParser = new Parser();
this.commandDiscovery = new System.Management.Automation.CommandDiscovery(this._context);
if (runspaceConfiguration != null)
{
runspaceConfiguration.Bind(this._context);
}
else
{
iss.Bind(this._context, false);
}
InitialSessionState.SetSessionStateDrive(this._context, true);
InitialSessionState.CreateQuestionVariable(this._context);
}
internal AutomationEngine(
PSHost hostInterface,
RunspaceConfiguration runspaceConfiguration,
InitialSessionState iss)
{
this._context = runspaceConfiguration == null ? new ExecutionContext(this, hostInterface, iss) : new ExecutionContext(this, hostInterface, runspaceConfiguration);
this.EngineParser = new Parser();
this.commandDiscovery = new CommandDiscovery(this._context);
if (runspaceConfiguration != null)
{
runspaceConfiguration.Bind(this._context);
}
else
{
iss.Bind(this._context, false);
}
try
{
bool flag1 = true;
if (this._context.EngineSessionState.ProviderCount > 0)
{
if (this._context.EngineSessionState.CurrentDrive == (PSDriveInfo)null)
{
bool flag2 = false;
try
{
Collection <PSDriveInfo> drives = this._context.EngineSessionState.GetSingleProvider(this._context.ProviderNames.FileSystem).Drives;
if (drives != null)
{
if (drives.Count > 0)
{
this._context.EngineSessionState.CurrentDrive = drives[0];
flag2 = true;
}
}
}
catch (ProviderNotFoundException ex)
{
}
if (!flag2)
{
Collection <PSDriveInfo> collection = this._context.EngineSessionState.Drives((string)null);
if (collection != null && collection.Count > 0)
{
this._context.EngineSessionState.CurrentDrive = collection[0];
}
else
{
this._context.ReportEngineStartupError((Exception) new ItemNotFoundException(Environment.CurrentDirectory, "PathNotFound"));
flag1 = false;
}
}
}
if (flag1)
{
this._context.EngineSessionState.SetLocation(Environment.CurrentDirectory, new CmdletProviderContext(this._context));
}
}
this._context.EngineSessionState.SetVariableAtScope((PSVariable) new QuestionMarkVariable(this._context), "global", true, CommandOrigin.Internal);
}
catch (Exception ex)
{
CommandProcessorBase.CheckForSevereException(ex);
}
}