private IEnumerable <PSTypeName> GetInferredTypeFromScriptBlockParameter(AstParameterArgumentPair argument, CompletionContext context)
{
AstPair iteratorVariable0 = argument as AstPair;
if ((iteratorVariable0 != null) && (iteratorVariable0.Argument is ScriptBlockExpressionAst))
{
ScriptBlockExpressionAst iteratorVariable1 = (ScriptBlockExpressionAst)iteratorVariable0.Argument;
foreach (PSTypeName iteratorVariable2 in iteratorVariable1.ScriptBlock.GetInferredType(context))
{
yield return(iteratorVariable2);
}
}
}
private void BindRemainingParameters(Collection <AstParameterArgumentPair> unboundArguments)
{
bool flag = false;
int num = 0;
if (this._bindingEffective && (unboundArguments.Count != 0))
{
Collection <ExpressionAst> arguments = new Collection <ExpressionAst>();
foreach (AstParameterArgumentPair pair in unboundArguments)
{
AstPair pair2 = pair as AstPair;
arguments.Add((ExpressionAst)pair2.Argument);
}
List <MergedCompiledCommandParameter> list = new List <MergedCompiledCommandParameter>(this._unboundParameters);
foreach (MergedCompiledCommandParameter parameter in list)
{
if (((parameter.Parameter.ParameterSetFlags & this._currentParameterSetFlag) != 0) || parameter.Parameter.IsInAllSets)
{
foreach (ParameterSetSpecificMetadata metadata in parameter.Parameter.GetMatchingParameterSetData(this._currentParameterSetFlag))
{
if (metadata.ValueFromRemainingArguments)
{
num |= parameter.Parameter.ParameterSetFlags;
string name = parameter.Parameter.Name;
this._unboundParameters.Remove(parameter);
if (!this._boundParameters.ContainsKey(name))
{
this._boundParameters.Add(name, parameter);
}
if (!this._boundArguments.ContainsKey(name))
{
this._boundArguments.Add(name, new AstArrayPair(name, arguments));
}
flag = true;
break;
}
}
}
}
if (flag && (num != 0))
{
this._currentParameterSetFlag &= num;
}
}
}
private bool PrepareCommandElements(ExecutionContext context)
{
int num = 0;
bool dotSource = this._commandAst.InvocationOperator == TokenKind.Dot;
CommandProcessorBase base2 = null;
string resolvedCommandName = null;
bool flag2 = false;
try
{
base2 = this.PrepareFromAst(context, out resolvedCommandName) ?? context.CreateCommand(resolvedCommandName, dotSource);
}
catch (RuntimeException exception)
{
CommandProcessorBase.CheckForSevereException(exception);
if ((this._commandAst.IsInWorkflow() && (resolvedCommandName != null)) && CompletionCompleters.PseudoWorkflowCommands.Contains <string>(resolvedCommandName, StringComparer.OrdinalIgnoreCase))
{
flag2 = true;
}
else
{
return(false);
}
}
CommandProcessor commandProcessor = base2 as CommandProcessor;
ScriptCommandProcessorBase base3 = base2 as ScriptCommandProcessorBase;
bool flag3 = (commandProcessor != null) && commandProcessor.CommandInfo.ImplementsDynamicParameters;
List <object> list = flag3 ? new List <object>(this._commandElements.Count) : null;
if (((commandProcessor != null) || (base3 != null)) || flag2)
{
num++;
while (num < this._commandElements.Count)
{
CommandParameterAst parameterAst = this._commandElements[num] as CommandParameterAst;
if (parameterAst != null)
{
if (list != null)
{
list.Add(parameterAst.Extent.Text);
}
AstPair item = (parameterAst.Argument != null) ? new AstPair(parameterAst, parameterAst.Argument) : new AstPair(parameterAst);
this._arguments.Add(item);
}
else
{
StringConstantExpressionAst ast2 = this._commandElements[num] as StringConstantExpressionAst;
if ((ast2 == null) || !ast2.Value.Trim().Equals("-", StringComparison.OrdinalIgnoreCase))
{
ExpressionAst argumentAst = this._commandElements[num] as ExpressionAst;
if (argumentAst != null)
{
if (list != null)
{
list.Add(argumentAst.Extent.Text);
}
this._arguments.Add(new AstPair(null, argumentAst));
}
}
}
num++;
}
}
if (commandProcessor != null)
{
this._function = false;
if (flag3)
{
ParameterBinderController.AddArgumentsToCommandProcessor(commandProcessor, list.ToArray());
bool flag4 = false;
bool flag5 = false;
do
{
CommandProcessorBase currentCommandProcessor = context.CurrentCommandProcessor;
try
{
context.CurrentCommandProcessor = commandProcessor;
commandProcessor.SetCurrentScopeToExecutionScope();
if (!flag4)
{
commandProcessor.CmdletParameterBinderController.BindCommandLineParametersNoValidation(commandProcessor.arguments);
}
else
{
flag5 = true;
commandProcessor.CmdletParameterBinderController.ClearUnboundArguments();
commandProcessor.CmdletParameterBinderController.BindCommandLineParametersNoValidation(new Collection <CommandParameterInternal>());
}
}
catch (ParameterBindingException exception2)
{
if ((exception2.ErrorId == "MissingArgument") || (exception2.ErrorId == "AmbiguousParameter"))
{
flag4 = true;
}
}
catch (Exception exception3)
{
CommandProcessorBase.CheckForSevereException(exception3);
}
finally
{
context.CurrentCommandProcessor = currentCommandProcessor;
commandProcessor.RestorePreviousScope();
}
}while (flag4 && !flag5);
}
this._commandInfo = commandProcessor.CommandInfo;
this._commandName = commandProcessor.CommandInfo.Name;
this._bindableParameters = commandProcessor.CmdletParameterBinderController.BindableParameters;
this._defaultParameterSetFlag = commandProcessor.CommandInfo.CommandMetadata.DefaultParameterSetFlag;
}
else if (base3 != null)
{
this._function = true;
this._commandInfo = base3.CommandInfo;
this._commandName = base3.CommandInfo.Name;
this._bindableParameters = base3.ScriptParameterBinderController.BindableParameters;
this._defaultParameterSetFlag = 0;
}
else if (!flag2)
{
return(false);
}
if (this._commandAst.IsInWorkflow())
{
Type type = Type.GetType("Microsoft.PowerShell.Workflow.AstToWorkflowConverter, Microsoft.PowerShell.Activities, Version=3.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35");
if (type != null)
{
Dictionary <string, Type> dictionary = (Dictionary <string, Type>)type.GetMethod("GetActivityParameters").Invoke(null, new object[] { this._commandAst });
if (dictionary != null)
{
bool flag6 = dictionary.ContainsKey("PSComputerName") && !dictionary.ContainsKey("ComputerName");
List <MergedCompiledCommandParameter> source = new List <MergedCompiledCommandParameter>();
Collection <Attribute> attributes = new Collection <Attribute> {
new ParameterAttribute()
};
foreach (KeyValuePair <string, Type> pair2 in dictionary)
{
if (flag2 || !this._bindableParameters.BindableParameters.ContainsKey(pair2.Key))
{
Type actualActivityParameterType = GetActualActivityParameterType(pair2.Value);
RuntimeDefinedParameter runtimeDefinedParameter = new RuntimeDefinedParameter(pair2.Key, actualActivityParameterType, attributes);
CompiledCommandParameter parameter = new CompiledCommandParameter(runtimeDefinedParameter, false)
{
IsInAllSets = true
};
MergedCompiledCommandParameter parameter3 = new MergedCompiledCommandParameter(parameter, ParameterBinderAssociation.DeclaredFormalParameters);
source.Add(parameter3);
}
}
if (source.Any <MergedCompiledCommandParameter>())
{
MergedCommandParameterMetadata metadata = new MergedCommandParameterMetadata();
if (!flag2)
{
metadata.ReplaceMetadata(this._bindableParameters);
}
foreach (MergedCompiledCommandParameter parameter5 in source)
{
metadata.BindableParameters.Add(parameter5.Parameter.Name, parameter5);
}
this._bindableParameters = metadata;
}
foreach (string str2 in ignoredWorkflowParameters)
{
if (this._bindableParameters.BindableParameters.ContainsKey(str2))
{
this._bindableParameters.BindableParameters.Remove(str2);
}
}
if (this._bindableParameters.BindableParameters.ContainsKey("ComputerName") && flag6)
{
this._bindableParameters.BindableParameters.Remove("ComputerName");
string key = (from aliasPair in this._bindableParameters.AliasedParameters
where string.Equals("ComputerName", aliasPair.Value.Parameter.Name)
select aliasPair.Key).FirstOrDefault <string>();
this._bindableParameters.AliasedParameters.Remove(key);
}
}
}
}
this._unboundParameters.AddRange(this._bindableParameters.BindableParameters.Values);
CommandBaseAst ast4 = null;
PipelineAst parent = this._commandAst.Parent as PipelineAst;
if (parent.PipelineElements.Count > 1)
{
foreach (CommandBaseAst ast6 in parent.PipelineElements)
{
if (ast6.GetHashCode() == this._commandAst.GetHashCode())
{
this._isPipelineInputExpected = ast4 != null;
if (this._isPipelineInputExpected)
{
this._pipelineInputType = typeof(object);
}
break;
}
ast4 = ast6;
}
}
return(true);
}
private bool ParseParameterArguments(CommandParameterAst paramAstAtCursor)
{
if (!this._bindingEffective)
{
return(this._bindingEffective);
}
Collection <AstParameterArgumentPair> collection = new Collection <AstParameterArgumentPair>();
for (int i = 0; i < this._arguments.Count; i++)
{
AstParameterArgumentPair item = this._arguments[i];
if (!item.ParameterSpecified || item.ArgumentSpecified)
{
collection.Add(item);
}
else
{
string parameterName = item.ParameterName;
MergedCompiledCommandParameter parameter = null;
try
{
bool tryExactMatching = item.Parameter != paramAstAtCursor;
parameter = this._bindableParameters.GetMatchingParameter(parameterName, false, tryExactMatching, null);
}
catch (ParameterBindingException)
{
this._ambiguousParameters.Add(item.Parameter);
goto Label_01F1;
}
if (parameter == null)
{
if (i < (this._arguments.Count - 1))
{
AstParameterArgumentPair pair2 = this._arguments[i + 1];
if (!pair2.ParameterSpecified && pair2.ArgumentSpecified)
{
this._arguments = null;
return(false);
}
}
this._parametersNotFound.Add(item.Parameter);
}
else if (parameter.Parameter.Type == typeof(SwitchParameter))
{
SwitchPair pair3 = new SwitchPair(item.Parameter);
collection.Add(pair3);
}
else if (i < (this._arguments.Count - 1))
{
AstParameterArgumentPair pair4 = this._arguments[i + 1];
if (pair4.ParameterSpecified)
{
try
{
if (this._bindableParameters.GetMatchingParameter(pair4.ParameterName, false, true, null) == null)
{
AstPair pair5 = new AstPair(item.Parameter, pair4.Parameter);
collection.Add(pair5);
i++;
}
else
{
FakePair pair6 = new FakePair(item.Parameter);
collection.Add(pair6);
}
goto Label_01F1;
}
catch (ParameterBindingException)
{
FakePair pair7 = new FakePair(item.Parameter);
collection.Add(pair7);
goto Label_01F1;
}
}
AstPair pair8 = pair4 as AstPair;
AstPair pair9 = new AstPair(item.Parameter, (ExpressionAst)pair8.Argument);
collection.Add(pair9);
i++;
}
else
{
FakePair pair10 = new FakePair(item.Parameter);
collection.Add(pair10);
}
Label_01F1 :;
}
}
this._arguments = collection;
return(true);
}
internal override IEnumerable <PSTypeName> GetInferredType(CompletionContext context)
{
PseudoBindingInfo iteratorVariable0 = new PseudoParameterBinder().DoPseudoParameterBinding(this, null, null, false);
if (iteratorVariable0.CommandInfo != null)
{
AstParameterArgumentPair iteratorVariable1;
string key = "Path";
if (!iteratorVariable0.BoundArguments.TryGetValue(key, out iteratorVariable1))
{
key = "LiteralPath";
iteratorVariable0.BoundArguments.TryGetValue(key, out iteratorVariable1);
}
CommandInfo commandInfo = iteratorVariable0.CommandInfo;
AstPair iteratorVariable4 = iteratorVariable1 as AstPair;
if ((iteratorVariable4 != null) && (iteratorVariable4.Argument is StringConstantExpressionAst))
{
string str = ((StringConstantExpressionAst)iteratorVariable4.Argument).Value;
try
{
commandInfo = commandInfo.CreateGetCommandCopy(new string[] { "-" + key, str });
}
catch (InvalidOperationException)
{
}
}
CmdletInfo iteratorVariable5 = commandInfo as CmdletInfo;
if (iteratorVariable5 != null)
{
if (iteratorVariable5.ImplementingType.FullName.Equals("Microsoft.PowerShell.Commands.NewObjectCommand", StringComparison.Ordinal))
{
AstParameterArgumentPair iteratorVariable6;
if (iteratorVariable0.BoundArguments.TryGetValue("TypeName", out iteratorVariable6))
{
AstPair iteratorVariable7 = iteratorVariable6 as AstPair;
if ((iteratorVariable7 != null) && (iteratorVariable7.Argument is StringConstantExpressionAst))
{
yield return(new PSTypeName(((StringConstantExpressionAst)iteratorVariable7.Argument).Value));
}
}
goto Label_0579;
}
if (iteratorVariable5.ImplementingType.Equals(typeof(WhereObjectCommand)) || iteratorVariable5.ImplementingType.FullName.Equals("Microsoft.PowerShell.Commands.SortObjectCommand", StringComparison.Ordinal))
{
PipelineAst parent = this.Parent as PipelineAst;
if (parent != null)
{
int iteratorVariable9 = 0;
while (iteratorVariable9 < parent.PipelineElements.Count)
{
if (parent.PipelineElements[iteratorVariable9] == this)
{
break;
}
iteratorVariable9++;
}
if (iteratorVariable9 > 0)
{
foreach (PSTypeName iteratorVariable10 in parent.PipelineElements[iteratorVariable9 - 1].GetInferredType(context))
{
yield return(iteratorVariable10);
}
}
}
goto Label_0579;
}
if (iteratorVariable5.ImplementingType.Equals(typeof(ForEachObjectCommand)))
{
AstParameterArgumentPair iteratorVariable11;
if (iteratorVariable0.BoundArguments.TryGetValue("Begin", out iteratorVariable11))
{
foreach (PSTypeName iteratorVariable12 in this.GetInferredTypeFromScriptBlockParameter(iteratorVariable11, context))
{
yield return(iteratorVariable12);
}
}
if (iteratorVariable0.BoundArguments.TryGetValue("Process", out iteratorVariable11))
{
foreach (PSTypeName iteratorVariable13 in this.GetInferredTypeFromScriptBlockParameter(iteratorVariable11, context))
{
yield return(iteratorVariable13);
}
}
if (iteratorVariable0.BoundArguments.TryGetValue("End", out iteratorVariable11))
{
foreach (PSTypeName iteratorVariable14 in this.GetInferredTypeFromScriptBlockParameter(iteratorVariable11, context))
{
yield return(iteratorVariable14);
}
}
}
}
foreach (PSTypeName iteratorVariable15 in commandInfo.OutputType)
{
yield return(iteratorVariable15);
}
}
Label_0579:
yield break;
}
/// <summary>
/// Parse the arguments to process switch parameters and parameters without a value
/// specified. We always eat the error (such as parameter without value) and continue
/// to do the binding.
/// </summary>
///
/// <param name="paramAstAtCursor">
/// For parameter completion, if the cursor is pointing at a CommandParameterAst, we
/// should not try exact matching for that CommandParameterAst. This is to handle the
/// following case:
/// Add-Computer -domain(tab)
/// Add-Computer has an alias "Domain" that can exactly match this partial input, but
/// since the user is typing 'tab', the partial input 'domain' should not be considered
/// as an exact match. In this case, we don't try exact matching when calling
/// GetMatchingParameter(..) so as to preserve other possibilities.
/// </param>
private bool ParseParameterArguments(CommandParameterAst paramAstAtCursor)
{
if (!_bindingEffective)
return _bindingEffective;
var result = new Collection<AstParameterArgumentPair>();
for (int index = 0; index < _arguments.Count; index++)
{
AstParameterArgumentPair argument = _arguments[index];
if (!argument.ParameterSpecified || argument.ArgumentSpecified)
{
// Add the positional/named arguments back
result.Add(argument);
continue;
}
Diagnostics.Assert(argument.ParameterSpecified && !argument.ArgumentSpecified,
"At this point, the parameters should have no arguments");
//Now check the parameter name with the bindable parameters
string parameterName = argument.ParameterName;
MergedCompiledCommandParameter matchingParameter = null;
try
{
bool tryExactMatching = argument.Parameter != paramAstAtCursor;
matchingParameter = _bindableParameters.GetMatchingParameter(parameterName, false, tryExactMatching, null);
}
catch (ParameterBindingException e)
{
// The parameterName is resolved to multiple parameters. The most possible scenario for this
// would be the user typping tab to complete a parameter. In this case, we can ignore this
// parameter safely.
// If the next item is a pure argument, we skip it so that it doesn't get bound
// positionally.
if (index < _arguments.Count - 1)
{
AstParameterArgumentPair nextArg = _arguments[index + 1];
if (!nextArg.ParameterSpecified && nextArg.ArgumentSpecified)
{
index++;
}
}
_ambiguousParameters.Add(argument.Parameter);
_bindingExceptions[argument.Parameter] = e;
continue;
}
if (matchingParameter == null)
{
// The parameter cannot be found. The reason could be:
// 1. It's a bynamic parameter, and we cannot retrieve the ParameterMetadata for it
// at this point, since it's pseudo binding.
// 2. The spelling of this parameter is wrong.
// We can simply ignore this parameter, but the issue is what to do with the argument
// following this parameter (if there is an argument following it). There are two cases:
// 1. This parameter is supposed to be a switch parameter. Then the argument following it
// should NOT be ignored.
// 2. This parameter is supposed to take an argument. Then the following argument should
// also be ignored
// We check the next item. If it's a pure argument, we give up the binding, because we don't
// know how to deal with it (ignore it? keep it?), and it will affect the accuracy of our
// parameter set resolution.
if (index < _arguments.Count - 1)
{
AstParameterArgumentPair nextArg = _arguments[index + 1];
// If the next item is a pure argument, we give up the pseudo binding.
if (!nextArg.ParameterSpecified && nextArg.ArgumentSpecified)
{
// Testing paramsAstAtCursor ensures we only give up during tab completion,
// otherwise we know this is a missing parameter.
if (paramAstAtCursor != null)
{
// Do not use the parsed arguments
_arguments = null;
return false;
}
else
{
// Otherwise, skip the next argument
index++;
_parametersNotFound.Add(argument.Parameter);
continue;
}
}
}
// If the next item is not a pure argument, or the current parameter is the last item,
// ignore this parameter and carry on with the binding
_parametersNotFound.Add(argument.Parameter);
continue;
}
// Check if it's SwitchParameter
if (matchingParameter.Parameter.Type == typeof(SwitchParameter))
{
SwitchPair newArg = new SwitchPair(argument.Parameter);
result.Add(newArg);
continue;
}
// It's not a switch parameter, we need to check the next argument
if (index < _arguments.Count - 1)
{
AstParameterArgumentPair nextArg = _arguments[index + 1];
if (nextArg.ParameterSpecified)
{
try
{
MergedCompiledCommandParameter nextMatchingParameter =
_bindableParameters.GetMatchingParameter(nextArg.ParameterName, false, true, null);
// The next parameter doesn't exist. We use it as an argument
if (nextMatchingParameter == null)
{
AstPair newArg = new AstPair(argument.Parameter, nextArg.Parameter);
result.Add(newArg);
index++;
}
else
{
// It's possible the user is typing tab for argument completion.
// We set a fake argument for the current parameter in this case.
FakePair newArg = new FakePair(argument.Parameter);
result.Add(newArg);
}
}
catch (ParameterBindingException)
{
// The next parameter name is ambiguous. We just set
// a fake argument for the current paramter.
FakePair newArg = new FakePair(argument.Parameter);
result.Add(newArg);
}
}
else
{
// The next item is a pure argument.
AstPair nextArgument = nextArg as AstPair;
Diagnostics.Assert(nextArgument != null, "the next item should be a pure argument here");
Diagnostics.Assert(nextArgument.ArgumentSpecified && !nextArgument.ArgumentIsCommandParameterAst, "the next item should be a pure argument here");
AstPair newArg = new AstPair(argument.Parameter, (ExpressionAst)nextArgument.Argument);
result.Add(newArg);
index++;
}
}
else
{
// The current parameter is the last item. Set a fake argument for it
FakePair newArg = new FakePair(argument.Parameter);
result.Add(newArg);
}
}
_arguments = result;
return true;
}
private bool ParseParameterArguments(CommandParameterAst paramAstAtCursor)
{
if (!this._bindingEffective)
{
return this._bindingEffective;
}
Collection<AstParameterArgumentPair> collection = new Collection<AstParameterArgumentPair>();
for (int i = 0; i < this._arguments.Count; i++)
{
AstParameterArgumentPair item = this._arguments[i];
if (!item.ParameterSpecified || item.ArgumentSpecified)
{
collection.Add(item);
}
else
{
string parameterName = item.ParameterName;
MergedCompiledCommandParameter parameter = null;
try
{
bool tryExactMatching = item.Parameter != paramAstAtCursor;
parameter = this._bindableParameters.GetMatchingParameter(parameterName, false, tryExactMatching, null);
}
catch (ParameterBindingException)
{
this._ambiguousParameters.Add(item.Parameter);
goto Label_01F1;
}
if (parameter == null)
{
if (i < (this._arguments.Count - 1))
{
AstParameterArgumentPair pair2 = this._arguments[i + 1];
if (!pair2.ParameterSpecified && pair2.ArgumentSpecified)
{
this._arguments = null;
return false;
}
}
this._parametersNotFound.Add(item.Parameter);
}
else if (parameter.Parameter.Type == typeof(SwitchParameter))
{
SwitchPair pair3 = new SwitchPair(item.Parameter);
collection.Add(pair3);
}
else if (i < (this._arguments.Count - 1))
{
AstParameterArgumentPair pair4 = this._arguments[i + 1];
if (pair4.ParameterSpecified)
{
try
{
if (this._bindableParameters.GetMatchingParameter(pair4.ParameterName, false, true, null) == null)
{
AstPair pair5 = new AstPair(item.Parameter, pair4.Parameter);
collection.Add(pair5);
i++;
}
else
{
FakePair pair6 = new FakePair(item.Parameter);
collection.Add(pair6);
}
goto Label_01F1;
}
catch (ParameterBindingException)
{
FakePair pair7 = new FakePair(item.Parameter);
collection.Add(pair7);
goto Label_01F1;
}
}
AstPair pair8 = pair4 as AstPair;
AstPair pair9 = new AstPair(item.Parameter, (ExpressionAst) pair8.Argument);
collection.Add(pair9);
i++;
}
else
{
FakePair pair10 = new FakePair(item.Parameter);
collection.Add(pair10);
}
Label_01F1:;
}
}
this._arguments = collection;
return true;
}