void onErrorFound(CompilerMessage message)
{
var copy = ErrorFound;
if (copy != null)
copy (message);
}
/// <summary>
/// Compile the specified grammar
/// </summary>
/// <param name="grammarFile">Grammar file to compile</param>
/// <param name="outputFile">The name of the binary file output</param>
/// <remarks>The GOLD compiler outputs 2 versions of binary grammar tables:
/// CGT and EGT. The format generated depends on the file extension of the
/// output file (.cgt or .egt)</remarks>
public void Compile(string grammarFile, string outputFile)
{
//create a helper that will classify the error messages emitted by GOLD
inputFileName = grammarFile;
string text = slurpFile (inputFileName);
outputParser = new GoldBuildOutputParser (inputFileName);
//perform an initial parse on the file.
//this will get the error locations for us,
//since we can't get this info from the gold compiler
parser.Parse (text);
//launch the GOLD command line compiler
startInfo.Arguments = constructArguments (grammarFile, outputFile);
startInfo.WorkingDirectory = Path.GetDirectoryName (outputFile);
var p = new Process();
p.StartInfo = startInfo;
p.OutputDataReceived += outputHandler;
try
{
p.Start();
p.BeginOutputReadLine();
p.BeginErrorReadLine();
p.WaitForExit();
p.Close();
}
catch(Win32Exception)
{
var message = new CompilerMessage (MessageSeverity.Error,
goldCmdPath + " was not found on path",
string.Empty, 0, 0);
onCompileStepComplete (message);
}
}
void parseErrorFound(CompilerMessage message)
{
//file information should be included for outgoing message
var completeMessage = new CompilerMessage (message.Severity,
message.Text,
inputFileName,
message.Line,
message.Column);
onCompileStepComplete (completeMessage);
}
void outputHandler(object sender, DataReceivedEventArgs e)
{
if (e.Data != null)
{
var message = outputParser.ParseRawMessage(e.Data);
//some messages need to be suppressed because they were already checked
//by the parser. Otherwise, duplicates will show in the Errors Pad
string rawText = message.RawText;
if(rawText.Contains("Grammar") && (rawText.Contains("Syntax") || rawText.Contains("Lexical") || rawText.Contains("Comment")))
{
message = new CompilerMessage (MessageSeverity.Info, string.Empty, string.Empty, 0, 0, rawText);
}
onCompileStepComplete (message);
}
}
void onCompileStepComplete(CompilerMessage message)
{
CompilerEventHandler copy = MessageOutput;
if (copy != null)
copy(message);
}
void compilerOutputHandler(CompilerMessage message)
{
//write to Build Output Window
if (message.RawText.Length > 0)
monitor.Log.WriteLine (message.RawText);
//write to Message Window
if (message.Severity == MessageSeverity.Error)
currentBuildResult.AddError (message.File, message.Line, message.Column, "", message.Text);
else if (message.Severity == MessageSeverity.Warning)
currentBuildResult.AddWarning(message.File, message.Line, message.Column, "", message.Text);
}