public override Expr Visit(AccessorMemberExpr e)
{
if (_unboundCollector != null)
{
if (e.IsUnbound)
{
_unboundCollector(e);
}
else
{
VisitExpr(e.Left);
}
}
return(e);
}
public RuntimeError CreateAccessorSyntaxError(AccessorExpr e)
{
AccessorMemberExpr m = e as AccessorMemberExpr;
if (m != null)
{
if (m.IsUnbound)
{
return(CreateSyntaxError(e, "Undefined in scope: " + m.Name));
}
return(CreateSyntaxError(e, "Unknown property: " + m.Name));
}
if (e is AccessorIndexerExpr)
{
return(CreateSyntaxError(e, "Indexer is not supported."));
}
return(CreateSyntaxError(e, "Not a function."));
}
Expr HandleAssign(AccessorExpr left, AccessorExpr leftSource, string unboundName = null)
{
Debug.Assert(left != null);
var location = _parser.Location;
if (_parser.Match(TokenizerToken.Assign))
{
return(new AssignExpr(location, left, Expression(2)));
}
if (leftSource == null)
{
leftSource = new AccessorMemberExpr(_parser.Location, null, unboundName, false);
}
TokenizerToken binaryTokenType = _parser.CurrentToken.FromAssignOperatorToBinary();
_parser.Forward();
return(new AssignExpr(location, left, new BinaryExpr(location, leftSource, binaryTokenType, Expression(2))));
}
public virtual Expr Visit(AccessorMemberExpr e)
{
Expr lV = e.Left != null?VisitExpr(e.Left) : null;
return(lV == e.Left ? e : new AccessorMemberExpr(e.Location, lV, e.Name, e.IsStatement));
}
public PExpr Visit(AccessorMemberExpr e) => Run(new AccessorMemberFrame(this, e));
internal protected AccessorMemberFrame(EvalVisitor visitor, AccessorMemberExpr e)
: base(visitor, e)
{
}
public PExpr Visit(AccessorMemberExpr e)
{
return(Run(new AccessorMemberFrame(this, e)));
}
