/// <summary>
/// Find all instances of the given oldExpr inside this text expression tree
/// and replace them with a copy of newExpr. The search is done once and only instances near the
/// leaf of the tree are replaced (i.e. one search-replace iteration over the tree)
/// </summary>
/// <param name="oldExpr"></param>
/// <param name="newExpr"></param>
/// <returns></returns>
public SteExpression ReplaceAllInPlace(SteExpression oldExpr, SteExpression newExpr)
{
if (SyntaxTreeUtils.Equals(this, oldExpr))
{
ResetAsCopy(newExpr);
return(this);
}
if (IsAtomic)
{
return(this);
}
foreach (var subExpr in _argsList)
{
subExpr.ReplaceAllInPlace(oldExpr, newExpr);
}
return(this);
}
public override bool Equals(object obj)
{
return(!ReferenceEquals(obj, null) && SyntaxTreeUtils.Equals(this, obj as SteExpression));
}