/// <summary>
/// Process a line that appends to the current command batch.
/// </summary>
/// <param name="line">The line.</param>
private static void ProcessText(ProcessorContext processorContext, string line)
{
// As long as the batch is still empty skip any leading empty lines
// and adjust the start context information instead.
if (String.IsNullOrEmpty(line.Trim()) && String.IsNullOrEmpty(processorContext.CurrentBatch))
{
BatchContext startContext = processorContext.FirstBatchContext;
startContext.LineNumber = processorContext.CurrentFileLineNumber;
processorContext.IncrementLineNumber();
return;
}
else
{
processorContext.AppendLine(line);
}
}
public virtual void Process()
{
ProcessorContext processorContext = new ProcessorContext(m_options.ScriptFile);
try {
using (Stream stream = OpenInputFile())
using (StreamReader reader = new StreamReader(stream, Encoding.Default, true)) {
m_ppTraces.Flush();
while (!reader.EndOfStream && !PreprocessorExitedWithError && !m_isCanceled)
{
string line = reader.ReadLine();
LineType type = GetLineType(line);
switch (type)
{
case LineType.Text:
ProcessText(processorContext, line);
break;
case LineType.Line:
ProcessLine(processorContext, line);
break;
case LineType.Exec:
string batch = processorContext.CurrentBatch;
if (!IsWhiteSpaceOnly(batch))
{
ProcessBatch(processorContext, batch);
processorContext.IncrementBatchNumber();
}
processorContext.IncrementLineNumber();
processorContext.StartNextBatch();
break;
default:
throw new NotSupportedException("Unexepected line type: " + type);
}
m_ppTraces.Flush();
}
}
if (!PreprocessorExitedWithError)
{
string lastBatch = processorContext.CurrentBatch;
if (!IsWhiteSpaceOnly(lastBatch))
{
ProcessBatch(processorContext, lastBatch);
processorContext.IncrementBatchNumber();
}
}
}
catch (TerminateException) {
++m_errorCount;
throw;
}
catch (Exception ex) {
string message = String.Format("{0}({1}): Error: {2}", processorContext.CurrentFile, processorContext.CurrentBatchLineNo, ex.Message);
Trace.WriteLineIf(GlobalSettings.Verbosity.TraceError, message);
string lastBatch = processorContext.CurrentBatch;
if (!String.IsNullOrEmpty(lastBatch) && GlobalSettings.Verbosity.TraceInfo)
{
Trace.Indent();
Trace.WriteLine(lastBatch);
Trace.Unindent();
}
++m_errorCount;
throw new TerminateException(ExitCode.SqlCommandError);
}
}
