public System.Object VisitSubExpression(System.Management.Automation.Language.SubExpressionAst subExpressionAst)
{
IScriptExtent mappedExtent = MapExtent(subExpressionAst.Extent);
StatementBlockAst mappedStatementBlock = (StatementBlockAst)VisitStatementBlock(subExpressionAst.SubExpression);
return(new SubExpressionAst(mappedExtent, mappedStatementBlock));
}
public override AstVisitAction VisitSubExpression(SubExpressionAst subExpressionAst)
{
object[] results = (from statementAst in subExpressionAst.SubExpression.Statements
let result = EvaluateAst(statementAst, false)
where result != null
select result).ToArray();
if (results.Length == 1)
{
_pipelineCommandRuntime.WriteObject(results.Single());
}
else if (results.Length > 0)
{
_pipelineCommandRuntime.WriteObject(results);
}
return AstVisitAction.SkipChildren;
}
/// <summary/>
public virtual object VisitSubExpression(SubExpressionAst subExpressionAst)
{
return _decorated.VisitSubExpression(subExpressionAst);
}
public override AstVisitAction VisitSubExpression(SubExpressionAst ast) { return CheckParent(ast); }
public object VisitSubExpression(SubExpressionAst subExpressionAst)
{
return(subExpressionAst.SubExpression.Accept(this));
}
public object VisitSubExpression(SubExpressionAst subExpressionAst)
{
return subExpressionAst.SubExpression.Accept(this);
}
/// <summary/>
public virtual object VisitSubExpression(SubExpressionAst subExpressionAst)
{
return(null);
}
public virtual AstVisitAction VisitSubExpression(SubExpressionAst subExpressionAst)
{
return AstVisitAction.Continue;
}
public override AstVisitAction VisitSubExpression(SubExpressionAst subExpressionAst)
{
return(AstVisitAction.Continue);
}
public object VisitSubExpression(SubExpressionAst subExpressionAst)
{
throw new UnexpectedElementException();
}
public override AstVisitAction VisitSubExpression(SubExpressionAst subExpressionAst)
{
// Sub expression is allowed if the statement block is allowed.
return AstVisitAction.Continue;
}
public virtual AstVisitAction VisitSubExpression(SubExpressionAst subExpressionAst) => DefaultVisit(subExpressionAst);
public object VisitSubExpression(SubExpressionAst subExpressionAst)
{
if (!subExpressionAst.SubExpression.Statements.Any<StatementAst>())
{
return ExpressionCache.NullConstant;
}
return this.CaptureAstResults(subExpressionAst.SubExpression, CaptureAstContext.Assignment, null);
}
/// <summary/>
public virtual object VisitSubExpression(SubExpressionAst subExpressionAst) { return null; }
public override AstVisitAction VisitSubExpression(SubExpressionAst ast)
{
return this.Check(ast);
}
public override AstVisitAction VisitSubExpression(SubExpressionAst subExpressionAst)
{
throw new NotImplementedException(); //VisitSubExpression(subExpressionAst);
}
public object VisitSubExpression(SubExpressionAst subExpressionAst)
{
CheckIsConstant(subExpressionAst, "Caller to verify ast is constant");
return subExpressionAst.SubExpression.Accept(this);
}
public object VisitSubExpression(SubExpressionAst subExpressionAst)
{
subExpressionAst.SubExpression.Accept(this);
return(null);
}
public object VisitSubExpression(SubExpressionAst subExpressionAst)
{
if (subExpressionAst.SubExpression.Statements.Count == 0)
{
// This seems wrong, but is compatible with V2.
return ExpressionCache.NullConstant;
}
// SubExpression and ParenExpression are two special cases for handling the partial output while exception
// is thrown. For example, the output of $(1; throw 2) should be 1 and the error record with message '2';
// but the output of $(1; throw 2).Length should just be the error record with message '2'.
bool shouldPreserveResultInCaseofException = subExpressionAst.ShouldPreserveOutputInCaseOfException();
return CaptureAstResults(subExpressionAst.SubExpression,
shouldPreserveResultInCaseofException
? CaptureAstContext.AssignmentWithResultPreservation
: CaptureAstContext.AssignmentWithoutResultPreservation);
}
public override AstVisitAction VisitSubExpression(SubExpressionAst ast)
{
return(Check(ast));
}
public override AstVisitAction VisitSubExpression(SubExpressionAst subExpressionAst)
{
return AstVisitAction.Continue;
}
public virtual AstVisitAction VisitSubExpression(SubExpressionAst subExpressionAst)
{
return(AstVisitAction.Continue);
}
/// <summary>
/// Visit sub expression
/// </summary>
/// <param name="subExpressionAst"></param>
/// <returns></returns>
public object VisitSubExpression(SubExpressionAst subExpressionAst)
{
if (subExpressionAst == null) return null;
subExpressionAst.SubExpression.Visit(this.Decorator);
return null;
}
public object VisitSubExpression(SubExpressionAst subExpressionAst)
{
CheckIsConstant(subExpressionAst, "Caller to verify ast is constant");
return(subExpressionAst.SubExpression.Accept(this));
}
public object VisitSubExpression(SubExpressionAst subExpressionAst)
{
throw new NotImplementedException();
}