/// <summary>
/// Add any special variables to the session state variable table. This routine
/// must be called at construction time or if the variable table is reset.
/// </summary>
internal void InitializeSessionStateInternalSpecialVariables(bool clearVariablesTable)
{
if (clearVariablesTable)
{
// Clear the variable table
GlobalScope.Variables.Clear();
// Add in the per-scope default variables.
GlobalScope.AddSessionStateScopeDefaultVariables();
}
// Set variable $Error
PSVariable errorvariable = new PSVariable("Error", new ArrayList(), ScopedItemOptions.Constant);
GlobalScope.SetVariable(errorvariable.Name, errorvariable, false, false, this, fastPath: true);
// Set variable $PSDefaultParameterValues
Collection <Attribute> attributes = new Collection <Attribute>();
attributes.Add(new ArgumentTypeConverterAttribute(typeof(System.Management.Automation.DefaultParameterDictionary)));
PSVariable psDefaultParameterValuesVariable = new PSVariable(SpecialVariables.PSDefaultParameterValues,
new DefaultParameterDictionary(),
ScopedItemOptions.None, attributes,
RunspaceInit.PSDefaultParameterValuesDescription);
GlobalScope.SetVariable(psDefaultParameterValuesVariable.Name, psDefaultParameterValuesVariable, false, false, this, fastPath: true);
}
public void RemebersTheVaraibleValueAfterModificationInSubScope()
{
var sut = new GlobalScope(null, "a");
sut.SetVariable("a", new String("bottom"), false);
sut.StartScope();
sut.SetVariable("a", new String("derived"), true);
var innerAa =
sut
.GetVariable("a", new Runtime(new Processors())).Get(new Runtime(new Processors())) as String;
Assert.Equal("derived", innerAa.Value);
sut.EndScope();
var a = sut.GetVariable("a", new Runtime(new Processors())).Get(new Runtime(new Processors())) as String;
Assert.Equal("bottom", a.Value);
}
public void DoesNotTModifyVariableInUpperFromDerivedScope()
{
var sut = new GlobalScope(null, "root");
sut.SetVariable("a", new String("bottom"), false);
var derived = sut.DeriveFunctionScope();
derived.SetVariable("a", new String("derived"), true);
var innerAa = derived.GetVariable("a", new Runtime(new Processors())).Get(new Runtime(new Processors())) as String;
Assert.Equal("derived", innerAa.Value);
var a = sut.GetVariable("a", new Runtime(new Processors())).Get(new Runtime(new Processors())) as String;
Assert.Equal("bottom", a.Value);
}
public void SetVariable(string variableName, IValue functionParamter, bool coverUpVariable)
{
_stack.SetVariable(variableName, functionParamter, coverUpVariable);
}