public override AstVisitAction VisitUnaryExpression(UnaryExpressionAst unaryExpressionAst)
{
var childVariableExpressionAst = unaryExpressionAst.Child as VariableExpressionAst;
var childVariable = childVariableExpressionAst == null ? null : GetVariable(childVariableExpressionAst);
var childVariableValue = childVariable == null ? null : childVariable.Value;
switch (unaryExpressionAst.TokenKind)
{
case TokenKind.PostfixPlusPlus:
if (childVariable == null) throw new NotImplementedException(unaryExpressionAst.ToString());
if (childVariableValue is PSObject)
{
if (this._writeSideEffectsToPipeline) this._pipelineCommandRuntime.WriteObject(childVariable.Value);
childVariable.Value = PSObject.AsPSObject(((int)((PSObject)childVariableValue).BaseObject) + 1);
}
else throw new NotImplementedException(childVariableValue.ToString());
break;
case TokenKind.PlusPlus:
if (childVariable == null) throw new NotImplementedException(unaryExpressionAst.ToString());
if (childVariableValue is PSObject)
{
childVariable.Value = PSObject.AsPSObject(((int)((PSObject)childVariableValue).BaseObject) + 1);
if (this._writeSideEffectsToPipeline) this._pipelineCommandRuntime.WriteObject(childVariable.Value);
}
else throw new NotImplementedException(childVariableValue.ToString());
break;
default:
throw new NotImplementedException(unaryExpressionAst.ToString());
}
return AstVisitAction.SkipChildren;
}
public override AstVisitAction VisitUnaryExpression(UnaryExpressionAst unaryExpressionAst)
{
switch (unaryExpressionAst.TokenKind)
{
case TokenKind.PostfixPlusPlus:
case TokenKind.PlusPlus:
case TokenKind.MinusMinus:
case TokenKind.PostfixMinusMinus:
VisitIncrementDecrementExpression(unaryExpressionAst);
break;
case TokenKind.Not:
var value = EvaluateAst(unaryExpressionAst.Child, _writeSideEffectsToPipeline);
var boolValue = (bool) LanguagePrimitives.ConvertTo(value, typeof(bool));
_pipelineCommandRuntime.WriteObject(!boolValue);
break;
default:
throw new NotImplementedException(unaryExpressionAst.ToString());
}
return AstVisitAction.SkipChildren;
}
