public SourceLocation(SourceLocation Begin,SourceLocation End)
{
fileName = Begin.FileName;
beginPosition = Begin.beginPosition;
endPosition = End.EndPosition;
}
public SourceLocation(string FileName, int BeginLine, int BeginColumn, int EndLine, int EndColumn)
{
fileName = FileName;
beginPosition = new TextPosition(BeginLine, BeginColumn);
endPosition = new TextPosition(EndLine, EndColumn);
}