/// <summary>
/// Returns the children of this statement that have the same name as the given <paramref name="use"/>, and the given type.
/// This method searches only the immediate children, and not further descendants.
/// If the <paramref name="use"/> occurs within this statement, this method will return only the children
/// that occur prior to that use.
/// </summary>
/// <typeparam name="T">The type of children to return.</typeparam>
/// <param name="use">The use containing the name to search for.</param>
/// <param name="searchDeclarations">Whether to search the child DeclarationStatements for named entities.</param>
public override IEnumerable <T> GetNamedChildren <T>(NameUse use, bool searchDeclarations)
{
var matches = base.GetNamedChildren <T>(use, searchDeclarations);
//check if we should filter the results
if (ChildStatements.Count > 0)
{
var firstTryLoc = ChildStatements.First().PrimaryLocation;
var lastTryLoc = ChildStatements.Last().PrimaryLocation;
var tryBlockLocation = new SourceLocation(firstTryLoc.SourceFileName, firstTryLoc.StartingLineNumber, firstTryLoc.StartingColumnNumber, lastTryLoc.EndingLineNumber, lastTryLoc.EndingColumnNumber);
if (this.PrimaryLocation.Contains(use.Location) && !tryBlockLocation.Contains(use.Location))
{
//the use is within the overall TryStatement, but not in the try block. Don't return results from the try block
return(matches.SkipWhile(m => tryBlockLocation.Contains(m.GetLocations().First())));
}
}
return(matches);
}
/// <summary>
/// Returns the children of this statement that have the same name as the given <paramref name="use"/>, and the given type.
/// This method searches only the immediate children, and not further descendants.
/// If the <paramref name="use"/> occurs within this statement, this method will return only the children
/// that occur prior to that use.
/// </summary>
/// <typeparam name="T">The type of children to return.</typeparam>
/// <param name="use">The use containing the name to search for.</param>
/// <param name="searchDeclarations">Whether to search the child DeclarationStatements for named entities.</param>
public override IEnumerable <T> GetNamedChildren <T>(NameUse use, bool searchDeclarations)
{
var matches = base.GetNamedChildren <T>(use, searchDeclarations);
//check if we should filter the results
if (ElseStatements.Count > 0)
{
var firstElseLoc = ElseStatements.First().PrimaryLocation;
var lastElseLoc = ElseStatements.Last().PrimaryLocation;
var elseLocation = new SourceLocation(firstElseLoc.SourceFileName, firstElseLoc.StartingLineNumber, firstElseLoc.StartingColumnNumber, lastElseLoc.EndingLineNumber, lastElseLoc.EndingColumnNumber);
if (string.Compare(elseLocation.SourceFileName, use.Location.SourceFileName, StringComparison.OrdinalIgnoreCase) == 0 &&
elseLocation.Contains(use.Location))
{
//the use is in the else-block, don't return results from the then-block
return(matches.SkipWhile(m => PositionComparer.CompareLocation(m.GetLocations().First(), elseLocation) < 0));
}
}
return(matches);
}