CreateCommandProcessor
(
ExecutionContext executionContext,
CommandFactory commandFactory,
bool addToHistory,
CommandOrigin origin
)
{
Dbg.Assert(executionContext != null, "Caller should verify the parameters");
Dbg.Assert(commandFactory != null, "Caller should verify the parameters");
CommandProcessorBase commandProcessorBase;
if (IsScript)
{
if ((executionContext.LanguageMode == PSLanguageMode.NoLanguage) &&
(origin == Automation.CommandOrigin.Runspace))
{
throw InterpreterError.NewInterpreterException(CommandText, typeof(ParseException),
null, "ScriptsNotAllowed", ParserStrings.ScriptsNotAllowed);
}
ScriptBlock scriptBlock = executionContext.Engine.ParseScriptBlock(CommandText, addToHistory);
if (origin == Automation.CommandOrigin.Internal)
{
scriptBlock.LanguageMode = PSLanguageMode.FullLanguage;
}
// If running in restricted language mode, verify that the parse tree represents on legitimate
// constructions...
switch (scriptBlock.LanguageMode)
{
case PSLanguageMode.RestrictedLanguage:
scriptBlock.CheckRestrictedLanguage(null, null, false);
break;
case PSLanguageMode.FullLanguage:
// Interactive script commands are permitted in this mode.
break;
case PSLanguageMode.ConstrainedLanguage:
// Constrained Language is checked at runtime.
break;
default:
// This should never happen...
Diagnostics.Assert(false, "Invalid langage mode was set when building a ScriptCommandProcessor");
throw new InvalidOperationException("Invalid langage mode was set when building a ScriptCommandProcessor");
}
if (scriptBlock.UsesCmdletBinding)
{
FunctionInfo functionInfo = new FunctionInfo("", scriptBlock, executionContext);
commandProcessorBase = new CommandProcessor(functionInfo, executionContext,
_useLocalScope ?? false, fromScriptFile: false, sessionState: executionContext.EngineSessionState);
}
else
{
commandProcessorBase = new DlrScriptCommandProcessor(scriptBlock,
executionContext, _useLocalScope ?? false,
origin,
executionContext.EngineSessionState);
}
}
else
{
// RestrictedLanguage / NoLanguage do not support dot-sourcing when CommandOrigin is Runspace
if ((_useLocalScope.HasValue) && (!_useLocalScope.Value))
{
switch (executionContext.LanguageMode)
{
case PSLanguageMode.RestrictedLanguage:
case PSLanguageMode.NoLanguage:
string message = StringUtil.Format(RunspaceStrings.UseLocalScopeNotAllowed,
"UseLocalScope",
PSLanguageMode.RestrictedLanguage.ToString(),
PSLanguageMode.NoLanguage.ToString());
throw new RuntimeException(message);
case PSLanguageMode.FullLanguage:
// Interactive script commands are permitted in this mode...
break;
}
}
commandProcessorBase =
commandFactory.CreateCommand(CommandText, origin, _useLocalScope);
}
CommandParameterCollection parameters = Parameters;
if (parameters != null)
{
bool isNativeCommand = commandProcessorBase is NativeCommandProcessor;
foreach (CommandParameter publicParameter in parameters)
{
CommandParameterInternal internalParameter = CommandParameter.ToCommandParameterInternal(publicParameter, isNativeCommand);
commandProcessorBase.AddParameter(internalParameter);
}
}
string helpTarget;
HelpCategory helpCategory;
if (commandProcessorBase.IsHelpRequested(out helpTarget, out helpCategory))
{
commandProcessorBase = CommandProcessorBase.CreateGetHelpCommandProcessor(
executionContext,
helpTarget,
helpCategory);
}
//Set the merge settings
SetMergeSettingsOnCommandProcessor(commandProcessorBase);
return(commandProcessorBase);
}
internal CommandProcessorBase CreateCommandProcessor(ExecutionContext executionContext, CommandFactory commandFactory, bool addToHistory, CommandOrigin origin)
{
CommandProcessorBase base2;
string str2;
HelpCategory category;
if (!this.IsScript)
{
if (this._useLocalScope.HasValue && !this._useLocalScope.Value)
{
switch (executionContext.LanguageMode)
{
case PSLanguageMode.RestrictedLanguage:
case PSLanguageMode.NoLanguage:
throw new RuntimeException(StringUtil.Format(RunspaceStrings.UseLocalScopeNotAllowed, new object[] { "UseLocalScope", PSLanguageMode.RestrictedLanguage.ToString(), PSLanguageMode.NoLanguage.ToString() }));
}
}
base2 = commandFactory.CreateCommand(this.CommandText, origin, this._useLocalScope);
}
else
{
if (executionContext.LanguageMode == PSLanguageMode.NoLanguage)
{
throw InterpreterError.NewInterpreterException(this.CommandText, typeof(ParseException), null, "ScriptsNotAllowed", ParserStrings.ScriptsNotAllowed, new object[0]);
}
ScriptBlock function = executionContext.Engine.ParseScriptBlock(this.CommandText, addToHistory);
switch (executionContext.LanguageMode)
{
case PSLanguageMode.FullLanguage:
case PSLanguageMode.ConstrainedLanguage:
break;
case PSLanguageMode.RestrictedLanguage:
function.CheckRestrictedLanguage(null, null, false);
break;
default:
throw new InvalidOperationException("Invalid langage mode was set when building a ScriptCommandProcessor");
}
if (function.UsesCmdletBinding)
{
FunctionInfo scriptCommandInfo = new FunctionInfo("", function, executionContext);
bool? nullable = this._useLocalScope;
base2 = new CommandProcessor(scriptCommandInfo, executionContext, nullable.HasValue ? nullable.GetValueOrDefault() : false, false, executionContext.EngineSessionState);
}
else
{
bool?nullable2 = this._useLocalScope;
base2 = new DlrScriptCommandProcessor(function, executionContext, nullable2.HasValue ? nullable2.GetValueOrDefault() : false, CommandOrigin.Runspace, executionContext.EngineSessionState);
}
}
CommandParameterCollection parameters = this.Parameters;
if (parameters != null)
{
bool forNativeCommand = base2 is NativeCommandProcessor;
foreach (CommandParameter parameter in parameters)
{
CommandParameterInternal internal2 = CommandParameter.ToCommandParameterInternal(parameter, forNativeCommand);
base2.AddParameter(internal2);
}
}
if (base2.IsHelpRequested(out str2, out category))
{
base2 = CommandProcessorBase.CreateGetHelpCommandProcessor(executionContext, str2, category);
}
this.SetMergeSettingsOnCommandProcessor(base2);
return(base2);
}
