public virtual ExpressionAst VisitIndexExpression(IndexExpressionAst indexExpressionAst)
{
return(new IndexExpressionAst(
indexExpressionAst.Extent,
indexExpressionAst.Target.Rewrite(this),
indexExpressionAst.Index.Rewrite(this)));
}
public object VisitIndexExpression(IndexExpressionAst indexExpressionAst)
{
var newTargetExpression = VisitElement(indexExpressionAst.Target);
var newIndexExpression = VisitElement(indexExpressionAst.Index);
return(new IndexExpressionAst(indexExpressionAst.Extent, newTargetExpression, newIndexExpression));
}
public override AstVisitAction VisitIndexExpression(IndexExpressionAst indexExpressionAst)
{
var targetValue = EvaluateAst(indexExpressionAst.Target);
int index = (int)EvaluateAst(indexExpressionAst.Index);
var stringTargetValue = targetValue as string;
if (stringTargetValue != null)
{
var result = stringTargetValue[index];
this._pipelineCommandRuntime.WriteObject(result);
}
else if (targetValue is IList)
{
var result = (targetValue as IList)[index];
this._pipelineCommandRuntime.WriteObject(result);
}
else
{
throw new NotImplementedException(indexExpressionAst.ToString() + " " + targetValue.GetType());
}
return(AstVisitAction.SkipChildren);
}
private ExpressionAst CreateClosureAccess(IScriptExtent extent, string name)
{
MaybeProcessMember(name, out int index, out string groupName);
var closureExpr = new IndexExpressionAst(
extent,
new VariableExpressionAst(extent, "args", false),
new ConstantExpressionAst(extent, 0));
var groupExpr = new MemberExpressionAst(
extent,
closureExpr,
new StringConstantExpressionAst(extent, groupName, StringConstantType.BareWord),
@static: false);
var elementAccess = new IndexExpressionAst(
extent,
groupExpr,
new ConstantExpressionAst(extent, index));
if (groupName != nameof(Closure.Inherits))
{
return(elementAccess);
}
return(new MemberExpressionAst(
extent,
elementAccess,
new StringConstantExpressionAst(extent, nameof(PSVariable.Value), StringConstantType.BareWord),
@static: false));
}
public object VisitIndexExpression(IndexExpressionAst indexExpressionAst)
{
var target = VisitAst(indexExpressionAst.Target);
var index = VisitAst(indexExpressionAst.Index);
return(new IndexExpressionAst(indexExpressionAst.Extent, target, index));
}
public override object VisitIndexExpression(IndexExpressionAst indexExpressionAst)
{
VisitElement(indexExpressionAst.Target);
script_.Write("[");
VisitElement(indexExpressionAst.Index);
script_.Write("]");
return(indexExpressionAst);
}
public override AstVisitAction VisitIndexExpression(IndexExpressionAst indexExpressionAst)
{
var target = VisitSyntaxNode(indexExpressionAst.Target);
var index = VisitSyntaxNode(indexExpressionAst.Index);
_currentNode = new ElementAccess(target, new BracketedArgumentList(new ArgumentList(index)));
return(AstVisitAction.SkipChildren);
}
public static IndexExpressionAst Update(
this IndexExpressionAst ast,
ExpressionAst target = null,
ExpressionAst index = null)
{
return(new IndexExpressionAst(
ast.Extent,
target?.Clone() ?? ast.Target.Clone(),
index?.Clone() ?? ast.Index.Clone()));
}
public object VisitIndexExpression(IndexExpressionAst indexExpressionAst)
{
// Get the value of the index and value and call the compiler
var index = indexExpressionAst.Index.Accept(this);
var target = indexExpressionAst.Target.Accept(this);
if (index == null || target == null)
{
throw new ArgumentNullException("indexExpressionAst");
}
return(GetIndexedValueFromTarget(target, index));
}
public object VisitIndexExpression(IndexExpressionAst indexExpressionAst)
{
throw new NotImplementedException();
}
public object VisitIndexExpression(IndexExpressionAst indexExpressionAst) => null;
/// <summary/> public virtual AstVisitAction VisitIndexExpression(IndexExpressionAst indexExpressionAst) => DefaultVisit(indexExpressionAst);
public override AstVisitAction VisitIndexExpression(IndexExpressionAst functionDefinitionAst)
{
// We don't want to discover any variables in index expressions (`$something[0]`)
return(AstVisitAction.SkipChildren);
}
internal SettableIndexExpression(IndexExpressionAst expressionAst, ExecutionVisitor currentExecution)
: base(currentExecution)
{
_expressionAst = expressionAst;
}
public override ExpressionAst VisitIndexExpression(IndexExpressionAst indexExpressionAst) => VisitExpression(base.VisitIndexExpression(indexExpressionAst));
public override AstVisitAction VisitIndexExpression(IndexExpressionAst ast)
{
return(DoNextAction(ast));
}
public override AstVisitAction VisitIndexExpression(IndexExpressionAst indexExpressionAst)
{
return(Visit(indexExpressionAst));
}
object ICustomAstVisitor.VisitIndexExpression(IndexExpressionAst indexExpressionAst) => VisitIndexExpression(indexExpressionAst);
public virtual TResult VisitIndexExpression(IndexExpressionAst indexExpressionAst) => default(TResult);
public object VisitIndexExpression(IndexExpressionAst indexExpressionAst)
{
Console.WriteLine("Visited an IndexExpressionAst.");
return(indexExpressionAst);
}
public object VisitIndexExpression(IndexExpressionAst indexExpressionAst)
{
return((bool)indexExpressionAst.Index.Accept(this) && (bool)indexExpressionAst.Target.Accept(this));
}
public object VisitIndexExpression(IndexExpressionAst indexExpressionAst)
{
throw new UnexpectedElementException();
}
object ICustomAstVisitor.VisitIndexExpression(IndexExpressionAst indexExpressionAst) => ProcessRewriter(VisitIndexExpression, indexExpressionAst);
public override AstVisitAction VisitIndexExpression(IndexExpressionAst indexExpressionAst)
{
Console.WriteLine("Visited an IndexExpressionAst.");
Console.WriteLine(" " + indexExpressionAst.ToString().Replace(Environment.NewLine, Environment.NewLine + " "));
return(AstVisitAction.Continue);
}
public override AstVisitAction VisitIndexExpression(IndexExpressionAst ast)
{
return(AstVisitAction.Continue);
}
public override AstVisitAction VisitIndexExpression(IndexExpressionAst indexExpressionAst)
{
AstExplainer(indexExpressionAst);
return(base.VisitIndexExpression(indexExpressionAst));
}
public virtual object VisitIndexExpression(IndexExpressionAst indexExpressionAst)
{
VisitElement(indexExpressionAst.Target);
VisitElement(indexExpressionAst.Index);
return(indexExpressionAst);
}
public object VisitIndexExpression(IndexExpressionAst indexExpressionAst)
{
return(!((bool)indexExpressionAst.Target.Accept(this)) ? ((object)0) : ((object)((bool)indexExpressionAst.Index.Accept(this))));
}
public override AstVisitAction VisitIndexExpression(IndexExpressionAst indexExpressionAst) => VisitAst(indexExpressionAst);
