//Generate line pragma for a string and remembers last position
private void AddLinePragma(DNode node)
{
lastLocation = node.Location;
pdb.AddLineSym(cw.Offset, Line(lastLocation), Col(lastLocation));
}
//Generates a line pragma and remembers a provided location
//via lastLine and lastColumn class fields.
private void AddLinePragma(ElaExpression exp)
{
lastLine = exp.Line;
lastColumn = exp.Column;
pdb.AddLineSym(cw.Offset, exp.Line, exp.Column);
}