@Override
public void generate() {
	Grammar grammar = getGrammar();
	String macros = read(patternPath);
	String rules = read(additionalRulePath);
	final String encoding = codeConfig.getEncoding();
	String fileName = "Internal" + GrammarUtil.getSimpleName(grammar) + "Flexer.flex";
	
	final IXtextGeneratorFileSystemAccess fsa;
	final GrammarNaming grammarNaming;
	
	if (ui) {
		grammarNaming = contentAssistNaming;
		fsa = this.getProjectConfig().getGenericIde().getSrcGen();
		
	} else {
		grammarNaming = productionNaming;
		fsa = this.getProjectConfig().getRuntime().getSrcGen();
	}
	
	String srcGenPath = fsa.getPath();
	String parserName = grammarNaming.getInternalParserClass(grammar).getName();
	String baseName = grammarNaming.getParserGrammar(grammar).getGrammarFileName();
	baseName = baseName.substring(0, baseName.lastIndexOf('/'));
	String directory = srcGenPath + "/" + baseName;
	String contents = templatex.generateFlexer(grammar, parserName, macros, rules, codeConfig);
	fsa.generateFile(baseName + "/" + fileName, contents);
	String javaFileName = directory + "/" + "Internal" + GrammarUtil.getSimpleName(grammar) + "Flexer.java";
	String[] args = new String[] { "-d", directory, directory + "/" + fileName };
	main.runJFlex(args);
	Charset charset = Charset.forName(encoding);
	String javaCode = readFileIntoString(javaFileName, charset);
	javaCode = new NewlineNormalizer(codeConfig.getLineDelimiter()).normalizeLineDelimiters(javaCode);
	javaCode = removeTimestamps(javaCode);
	writeStringIntoFile(javaFileName, javaCode, charset);
}
 

protected void generateProductionGrammar() {
  @Extension
  final GrammarNaming naming = this.productionNaming;
  final IXtextGeneratorFileSystemAccess fsa = this.getProjectConfig().getRuntime().getSrcGen();
  this.productionGenerator.generate(this.getGrammar(), this.getOptions(), fsa);
  this.runAntlr(naming.getParserGrammar(this.getGrammar()), naming.getLexerGrammar(this.getGrammar()), fsa);
  this.simplifyUnorderedGroupPredicatesIfRequired(this.getGrammar(), fsa, naming.getInternalParserClass(this.getGrammar()));
  this.splitParserAndLexerIfEnabled(fsa, naming.getInternalParserClass(this.getGrammar()), naming.getLexerClass(this.getGrammar()));
  this.normalizeTokens(fsa, naming.getLexerGrammar(this.getGrammar()).getTokensFileName());
  this.suppressWarnings(fsa, naming.getInternalParserClass(this.getGrammar()), naming.getLexerClass(this.getGrammar()));
  this.normalizeLineDelimiters(fsa, naming.getInternalParserClass(this.getGrammar()), naming.getLexerClass(this.getGrammar()));
}
 

public AntlrFragmentHelperEx(final Naming oldNaming, final GrammarNaming prodNaming, final ContentAssistGrammarNaming caNaming) {
  super(oldNaming);
  this.prodNaming = prodNaming;
  this.caNaming = caNaming;
}
 

@Pure
protected GrammarNaming getProductionNaming() {
  return this.productionNaming;
}
 

@Override
protected GrammarNaming getGrammarNaming() {
  return this.naming;
}
 

@Override
protected GrammarNaming getGrammarNaming() {
  return this.naming;
}
 

public JavaFileAccess generateAntlrTokenFileProvider() {
  GeneratedJavaFileAccess _xblockexpression = null;
  {
    @Extension
    final GrammarNaming naming = this.productionNaming;
    final GeneratedJavaFileAccess file = this.fileFactory.createGeneratedJavaFile(naming.getAntlrTokenFileProviderClass(this.getGrammar()));
    StringConcatenationClient _client = new StringConcatenationClient() {
      @Override
      protected void appendTo(StringConcatenationClient.TargetStringConcatenation _builder) {
        _builder.append("public class ");
        String _simpleName = naming.getAntlrTokenFileProviderClass(XtextAntlrGeneratorFragment2.this.getGrammar()).getSimpleName();
        _builder.append(_simpleName);
        _builder.append(" implements ");
        _builder.append(IAntlrTokenFileProvider.class);
        _builder.append(" {");
        _builder.newLineIfNotEmpty();
        _builder.newLine();
        _builder.append("\t");
        _builder.append("@Override");
        _builder.newLine();
        _builder.append("\t");
        _builder.append("public ");
        _builder.append(InputStream.class, "\t");
        _builder.append(" getAntlrTokenFile() {");
        _builder.newLineIfNotEmpty();
        _builder.append("\t\t");
        _builder.append(ClassLoader.class, "\t\t");
        _builder.append(" classLoader = getClass().getClassLoader();");
        _builder.newLineIfNotEmpty();
        _builder.append("\t\t");
        _builder.append("return classLoader.getResourceAsStream(\"");
        String _tokensFileName = naming.getParserGrammar(XtextAntlrGeneratorFragment2.this.getGrammar()).getTokensFileName();
        _builder.append(_tokensFileName, "\t\t");
        _builder.append("\");");
        _builder.newLineIfNotEmpty();
        _builder.append("\t");
        _builder.append("}");
        _builder.newLine();
        _builder.append("}");
        _builder.newLine();
      }
    };
    file.setContent(_client);
    _xblockexpression = file;
  }
  return _xblockexpression;
}
 

protected abstract GrammarNaming getGrammarNaming();