internal override void Prepare(IDictionary psDefaultParameterValues)
{
_localsTuple.SetAutomaticVariable(AutomaticVariable.MyInvocation, this.Command.MyInvocation, _context);
_scriptBlock.SetPSScriptRootAndPSCommandPath(_localsTuple, _context);
_functionContext = new FunctionContext
{
_executionContext = _context,
_outputPipe = commandRuntime.OutputPipe,
_localsTuple = _localsTuple,
_scriptBlock = _scriptBlock,
_file = _scriptBlock.File,
_debuggerHidden = _scriptBlock.DebuggerHidden,
_debuggerStepThrough = _scriptBlock.DebuggerStepThrough,
_sequencePoints = _scriptBlock.SequencePoints,
};
}
internal override void Prepare(IDictionary psDefaultParameterValues)
{
if (UseLocalScope)
{
Diagnostics.Assert(CommandScope.LocalsTuple == null, "a newly created scope shouldn't have it's tuple set.");
CommandScope.LocalsTuple = _localsTuple;
}
_localsTuple.SetAutomaticVariable(AutomaticVariable.MyInvocation, this.Command.MyInvocation, _context);
_scriptBlock.SetPSScriptRootAndPSCommandPath(_localsTuple, _context);
_functionContext = new FunctionContext
{
_executionContext = _context,
_outputPipe = commandRuntime.OutputPipe,
_localsTuple = _localsTuple,
_scriptBlock = _scriptBlock,
_file = _scriptBlock.File,
_debuggerHidden = _scriptBlock.DebuggerHidden,
_debuggerStepThrough = _scriptBlock.DebuggerStepThrough,
_sequencePoints = _scriptBlock.SequencePoints,
};
}
internal static int FindMatchingHandler(MutableTuple tuple, RuntimeException rte, Type[] types, ExecutionContext context)
{
Exception replaceParentContainsErrorRecordException = rte;
Exception innerException = rte.InnerException;
int index = -1;
if (innerException != null)
{
index = FindMatchingHandlerByType(innerException.GetType(), types);
replaceParentContainsErrorRecordException = innerException;
}
if ((index == -1) || types[index].Equals(typeof(CatchAll)))
{
index = FindMatchingHandlerByType(rte.GetType(), types);
replaceParentContainsErrorRecordException = rte;
}
if ((index == -1) || types[index].Equals(typeof(CatchAll)))
{
ActionPreferenceStopException exception3 = rte as ActionPreferenceStopException;
if (exception3 != null)
{
replaceParentContainsErrorRecordException = exception3.ErrorRecord.Exception;
if (replaceParentContainsErrorRecordException is RuntimeException)
{
return(FindMatchingHandler(tuple, (RuntimeException)replaceParentContainsErrorRecordException, types, context));
}
if (replaceParentContainsErrorRecordException != null)
{
index = FindMatchingHandlerByType(replaceParentContainsErrorRecordException.GetType(), types);
}
}
else if ((rte is CmdletInvocationException) && (innerException != null))
{
replaceParentContainsErrorRecordException = innerException.InnerException;
if (replaceParentContainsErrorRecordException != null)
{
index = FindMatchingHandlerByType(replaceParentContainsErrorRecordException.GetType(), types);
}
}
}
if (index != -1)
{
ErrorRecord record = new ErrorRecord(rte.ErrorRecord, replaceParentContainsErrorRecordException);
tuple.SetAutomaticVariable(AutomaticVariable.Underbar, record, context);
}
return(index);
}
public PSScriptCmdlet(ScriptBlock scriptBlock, bool useNewScope, bool fromScriptFile, ExecutionContext context)
{
_scriptBlock = scriptBlock;
_useLocalScope = useNewScope;
_fromScriptFile = fromScriptFile;
_runOptimized = _scriptBlock.Compile(optimized: context._debuggingMode > 0 ? false : useNewScope);
_localsTuple = _scriptBlock.MakeLocalsTuple(_runOptimized);
_localsTuple.SetAutomaticVariable(AutomaticVariable.PSCmdlet, this, context);
_scriptBlock.SetPSScriptRootAndPSCommandPath(_localsTuple, context);
_functionContext = new FunctionContext
{
_localsTuple = _localsTuple,
_scriptBlock = _scriptBlock,
_file = _scriptBlock.File,
_sequencePoints = _scriptBlock.SequencePoints,
_debuggerHidden = _scriptBlock.DebuggerHidden,
_debuggerStepThrough = _scriptBlock.DebuggerStepThrough,
_executionContext = context,
};
_rethrowExitException = context.ScriptCommandProcessorShouldRethrowExit;
context.ScriptCommandProcessorShouldRethrowExit = false;
}
internal static object[] BindArgumentsForScriptblockInvoke(
RuntimeDefinedParameter[] parameters,
object[] args,
ExecutionContext context,
bool dotting,
Dictionary<string, PSVariable> backupWhenDotting,
MutableTuple locals)
{
var boundParameters = new CommandLineParameters();
if (parameters.Length == 0)
{
return args;
}
for (int i = 0; i < parameters.Length; i++)
{
var parameter = parameters[i];
object valueToBind;
bool wasDefaulted = false;
if (i >= args.Length)
{
valueToBind = parameter.Value;
if (valueToBind is Compiler.DefaultValueExpressionWrapper)
{
// We pass in a null SessionStateInternal because the current scope is already set correctly.
valueToBind = ((Compiler.DefaultValueExpressionWrapper)valueToBind).GetValue(context, null);
}
wasDefaulted = true;
}
else
{
valueToBind = args[i];
}
bool valueSet = false;
if (dotting && backupWhenDotting != null)
{
backupWhenDotting[parameter.Name] = context.EngineSessionState.GetVariableAtScope(parameter.Name, "local");
}
else
{
valueSet = locals.TrySetParameter(parameter.Name, valueToBind);
}
if (!valueSet)
{
var variable = new PSVariable(parameter.Name, valueToBind, ScopedItemOptions.None, parameter.Attributes);
context.EngineSessionState.SetVariable(variable, false, CommandOrigin.Internal);
}
if (!wasDefaulted)
{
boundParameters.Add(parameter.Name, valueToBind);
boundParameters.MarkAsBoundPositionally(parameter.Name);
}
}
locals.SetAutomaticVariable(AutomaticVariable.PSBoundParameters, boundParameters.GetValueToBindToPSBoundParameters(), context);
var leftOverArgs = args.Length - parameters.Length;
if (leftOverArgs <= 0)
{
return Utils.EmptyArray<object>();
}
object[] result = new object[leftOverArgs];
Array.Copy(args, parameters.Length, result, 0, result.Length);
return result;
}
internal static object[] BindArgumentsForScripblockInvoke(RuntimeDefinedParameter[] parameters, object[] args, ExecutionContext context, bool dotting, Dictionary<string, PSVariable> backupWhenDotting, MutableTuple locals)
{
object value;
CommandLineParameters commandLineParameter = new CommandLineParameters();
if ((int)parameters.Length != 0)
{
for (int i = 0; i < (int)parameters.Length; i++)
{
RuntimeDefinedParameter variableAtScope = parameters[i];
bool flag = false;
if (i < (int)args.Length)
{
value = args[i];
}
else
{
value = variableAtScope.Value;
if (value as Compiler.DefaultValueExpressionWrapper != null)
{
value = ((Compiler.DefaultValueExpressionWrapper)value).GetValue(context, null, null);
}
flag = true;
}
bool flag1 = false;
if (!dotting || backupWhenDotting == null)
{
flag1 = locals.TrySetParameter(variableAtScope.Name, value);
}
else
{
backupWhenDotting[variableAtScope.Name] = context.EngineSessionState.GetVariableAtScope(variableAtScope.Name, "local");
}
if (!flag1)
{
PSVariable pSVariable = new PSVariable(variableAtScope.Name, value, ScopedItemOptions.None, variableAtScope.Attributes);
context.EngineSessionState.SetVariable(pSVariable, false, CommandOrigin.Internal);
}
if (!flag)
{
commandLineParameter.Add(variableAtScope.Name, value);
commandLineParameter.MarkAsBoundPositionally(variableAtScope.Name);
}
}
locals.SetAutomaticVariable(AutomaticVariable.PSBoundParameters, commandLineParameter.GetValueToBindToPSBoundParameters(), context);
int length = (int)args.Length - (int)parameters.Length;
if (length > 0)
{
object[] objArray = new object[length];
Array.Copy(args, (int)parameters.Length, objArray, 0, (int)objArray.Length);
return objArray;
}
else
{
return ScriptBlock.EmptyArray;
}
}
else
{
return args;
}
}
internal void SetPSScriptRootAndPSCommandPath(MutableTuple locals, ExecutionContext context)
{
string empty = string.Empty;
string file = string.Empty;
if (!string.IsNullOrEmpty(this.File))
{
empty = Path.GetDirectoryName(this.File);
file = this.File;
}
locals.SetAutomaticVariable(AutomaticVariable.PSScriptRoot, empty, context);
locals.SetAutomaticVariable(AutomaticVariable.PSCommandPath, file, context);
}
private void WriteToCurrentErrorPipe(bool createLocalScope, Pipe outputPipe, ref object[] args, ExecutionContext contextFromTLS, Action<FunctionContext> codeToInvoke, MutableTuple mutableTuple, PSLanguageMode? languageMode, ref Dictionary<string, PSVariable> strs)
{
if (!createLocalScope)
{
if (contextFromTLS.EngineSessionState.CurrentScope.LocalsTuple != null)
{
contextFromTLS.EngineSessionState.CurrentScope.DottedScopes.Push(mutableTuple);
strs = new Dictionary<string, PSVariable>();
}
else
{
contextFromTLS.EngineSessionState.CurrentScope.LocalsTuple = mutableTuple;
}
}
else
{
SessionStateScope sessionStateScope = contextFromTLS.EngineSessionState.NewScope(false);
contextFromTLS.EngineSessionState.CurrentScope = sessionStateScope;
sessionStateScope.LocalsTuple = mutableTuple;
}
if (languageMode.HasValue)
{
contextFromTLS.LanguageMode = languageMode.Value;
}
args = ScriptBlock.BindArgumentsForScripblockInvoke((RuntimeDefinedParameter[])this.RuntimeDefinedParameters.Data, args, contextFromTLS, !createLocalScope, strs, mutableTuple);
mutableTuple.SetAutomaticVariable(AutomaticVariable.Args, args, contextFromTLS);
contextFromTLS.EngineSessionState.CurrentScope.ScopeOrigin = CommandOrigin.Internal;
FunctionContext functionContext = new FunctionContext();
functionContext._executionContext = contextFromTLS;
functionContext._outputPipe = outputPipe;
functionContext._localsTuple = mutableTuple;
functionContext._scriptBlock = this;
functionContext._sequencePoints = this.SequencePoints;
FunctionContext functionContext1 = functionContext;
codeToInvoke(functionContext1);
}
private static ActionPreference ProcessTraps(FunctionContext funcContext, RuntimeException rte)
{
int index = -1;
Exception replaceParentContainsErrorRecordException = null;
Exception innerException = rte.InnerException;
Type[] types = funcContext._traps.Last <Tuple <Type[], Action <FunctionContext>[], Type[]> >().Item1;
Action <FunctionContext>[] actionArray = funcContext._traps.Last <Tuple <Type[], Action <FunctionContext>[], Type[]> >().Item2;
if (innerException != null)
{
index = FindMatchingHandlerByType(innerException.GetType(), types);
replaceParentContainsErrorRecordException = innerException;
}
if ((index == -1) || types[index].Equals(typeof(CatchAll)))
{
int num2 = FindMatchingHandlerByType(rte.GetType(), types);
if (num2 != index)
{
index = num2;
replaceParentContainsErrorRecordException = rte;
}
}
if (index != -1)
{
try
{
ErrorRecord errorRecord = rte.ErrorRecord;
ExecutionContext context = funcContext._executionContext;
if (context.CurrentCommandProcessor != null)
{
context.CurrentCommandProcessor.ForgetScriptException();
}
try
{
MutableTuple tuple = MutableTuple.MakeTuple(funcContext._traps.Last <Tuple <Type[], Action <FunctionContext>[], Type[]> >().Item3[index], Compiler.DottedLocalsNameIndexMap);
tuple.SetAutomaticVariable(AutomaticVariable.Underbar, new ErrorRecord(errorRecord, replaceParentContainsErrorRecordException), context);
for (int i = 1; i < 9; i++)
{
tuple.SetValue(i, funcContext._localsTuple.GetValue(i));
}
SessionStateScope scope = context.EngineSessionState.NewScope(false);
context.EngineSessionState.CurrentScope = scope;
scope.LocalsTuple = tuple;
FunctionContext context2 = new FunctionContext {
_scriptBlock = funcContext._scriptBlock,
_sequencePoints = funcContext._sequencePoints,
_executionContext = funcContext._executionContext,
_boundBreakpoints = funcContext._boundBreakpoints,
_outputPipe = funcContext._outputPipe,
_breakPoints = funcContext._breakPoints,
_localsTuple = tuple
};
actionArray[index](context2);
}
catch (TargetInvocationException exception3)
{
throw exception3.InnerException;
}
finally
{
context.EngineSessionState.RemoveScope(context.EngineSessionState.CurrentScope);
}
return(QueryForAction(rte, replaceParentContainsErrorRecordException.Message, context));
}
catch (ContinueException)
{
return(ActionPreference.SilentlyContinue);
}
catch (BreakException)
{
return(ActionPreference.Stop);
}
}
return(ActionPreference.Stop);
}
internal static PowerShell Convert(ScriptBlockAst body, IEnumerable <ParameterAst> functionParameters, ExecutionContext context, Dictionary <string, object> variables, bool filterNonUsingVariables, bool?createLocalScope, object[] args)
{
string str;
string str2;
PowerShell shell;
ExecutionContext.CheckStackDepth();
if (args == null)
{
args = ScriptBlock.EmptyArray;
}
body.GetSimplePipeline(false, out str, out str2);
if (str != null)
{
throw new ScriptBlockToPowerShellNotSupportedException(str, null, str2, new object[0]);
}
ScriptBlockToPowerShellChecker visitor = new ScriptBlockToPowerShellChecker {
ScriptBeingConverted = body
};
if (functionParameters != null)
{
foreach (ParameterAst ast in functionParameters)
{
ast.InternalVisit(visitor);
}
}
body.InternalVisit(visitor);
if (((context == null) && (visitor.HasUsingExpr || visitor.UsesParameter)) && (variables == null))
{
throw new PSInvalidOperationException(AutomationExceptions.CantConvertScriptBlockWithNoContext);
}
try
{
ScriptBlockToPowerShellConverter converter = new ScriptBlockToPowerShellConverter {
_context = context,
_createLocalScope = createLocalScope
};
if (visitor.HasUsingExpr)
{
converter._usingValues = GetUsingValues(body, context, variables, filterNonUsingVariables);
}
if (visitor.UsesParameter)
{
SessionStateScope scope = context.EngineSessionState.NewScope(false);
context.EngineSessionState.CurrentScope = scope;
context.EngineSessionState.CurrentScope.ScopeOrigin = CommandOrigin.Internal;
MutableTuple locals = MutableTuple.MakeTuple(Compiler.DottedLocalsTupleType, Compiler.DottedLocalsNameIndexMap);
bool usesCmdletBinding = false;
object[] objArray = ScriptBlock.BindArgumentsForScripblockInvoke((RuntimeDefinedParameter[])((IParameterMetadataProvider)body).GetParameterMetadata(true, ref usesCmdletBinding).Data, args, context, false, null, locals);
locals.SetAutomaticVariable(AutomaticVariable.Args, objArray, context);
scope.LocalsTuple = locals;
}
foreach (PipelineAst ast2 in body.EndBlock.Statements.OfType <PipelineAst>())
{
converter._powershell.AddStatement();
converter.ConvertPipeline(ast2);
}
shell = converter._powershell;
}
finally
{
if (visitor.UsesParameter)
{
context.EngineSessionState.RemoveScope(context.EngineSessionState.CurrentScope);
}
}
return(shell);
}
internal static int FindMatchingHandler(MutableTuple tuple, RuntimeException rte, Type[] types, ExecutionContext context)
{
Exception replaceParentContainsErrorRecordException = rte;
Exception innerException = rte.InnerException;
int index = -1;
if (innerException != null)
{
index = FindMatchingHandlerByType(innerException.GetType(), types);
replaceParentContainsErrorRecordException = innerException;
}
if ((index == -1) || types[index].Equals(typeof(CatchAll)))
{
index = FindMatchingHandlerByType(rte.GetType(), types);
replaceParentContainsErrorRecordException = rte;
}
if ((index == -1) || types[index].Equals(typeof(CatchAll)))
{
ActionPreferenceStopException exception3 = rte as ActionPreferenceStopException;
if (exception3 != null)
{
replaceParentContainsErrorRecordException = exception3.ErrorRecord.Exception;
if (replaceParentContainsErrorRecordException is RuntimeException)
{
return FindMatchingHandler(tuple, (RuntimeException) replaceParentContainsErrorRecordException, types, context);
}
if (replaceParentContainsErrorRecordException != null)
{
index = FindMatchingHandlerByType(replaceParentContainsErrorRecordException.GetType(), types);
}
}
else if ((rte is CmdletInvocationException) && (innerException != null))
{
replaceParentContainsErrorRecordException = innerException.InnerException;
if (replaceParentContainsErrorRecordException != null)
{
index = FindMatchingHandlerByType(replaceParentContainsErrorRecordException.GetType(), types);
}
}
}
if (index != -1)
{
ErrorRecord record = new ErrorRecord(rte.ErrorRecord, replaceParentContainsErrorRecordException);
tuple.SetAutomaticVariable(AutomaticVariable.Underbar, record, context);
}
return index;
}
