protected List <object> performSyntaxAnalysis(
TextReader inR,
string sourceName,
StreamWriter err,
Type nodeClass,
HashSet <Exception> pErrors)
{
OCLWorkbenchLexer lexer = new OCLWorkbenchLexer(inR, sourceName, err, pErrors);
OCLWorkbenchParser parser = new OCLWorkbenchParser(sourceName, lexer, err, pErrors);
List <object> result = null;
OCLCompilerException compilerException = null;
try {
result = parseNode(parser, nodeClass);
} catch (antlr.RecognitionException e) {
compilerException = new OCLSyntaticException(e.Message,
new SourceLocation(parser.getFilename(), e.getLine(),
e.getColumn()));
} catch (antlr.TokenStreamRecognitionException e) {
compilerException = new OCLSyntaticException(e.Message,
new SourceLocation(parser.getFilename(), e.recog.getLine(),
e.recog.getColumn()));
} catch (antlr.TokenStreamException e) {
compilerException = new OCLSyntaticException(e.Message,
new SourceLocation(parser.getFilename(), -1, -1));
} catch (Exception e) {
if (e.Message != null)
{
compilerException = new OCLCompilerException(e.Message, new SourceLocation(parser.getFilename(), -1, -1));
}
} finally {
if ((err != null) && (compilerException != null))
{
errors.Add(compilerException);
syntaticErrorsCount++;
err.WriteLine(compilerException);
err.Flush();
}
}
syntaticErrorsCount += parser.getErrorCount();
if ((err != null) &&
((syntaticErrorsCount != 0) || (compilerException != null)))
{
err.Flush();
}
return(result);
}
/* Overridden methods. */
public override void reportError(RecognitionException ex)
{
OCLSyntaticException error = new OCLSyntaticException(ex.Message,
new SourceLocation(getFilename(), ex.getLine(), ex.getColumn()));
errors.Add(error);
if (this.err != null)
{
this.err.WriteLine(error);
}
incErrorCount();
}
/**
* Overrides default error-reporting function.
*/
public override void reportError(antlr.RecognitionException ex)
{
// if this is a NoViableAltForCharException there
// is still no column information in antlr, so we
// use the current column
OCLSyntaticException error = new OCLSyntaticException(ex.Message,
new SourceLocation(getFilename(), ex.getLine(), getColumn()));
if (this.err != null)
{
this.err.WriteLine(error);
}
// continue but remember that we had errors
this.parser.incErrorCount();
}
