/**
* Answers {@code true} if the given terminal rule is synthetic. That is, the tokens for this rule
* will not be produced by the generated Antlr lexer but manually in a custom token source.
*/
public boolean isSyntheticTerminalRule(final TerminalRule rule) {
AbstractElement _alternatives = rule.getAlternatives();
if ((_alternatives instanceof Keyword)) {
AbstractElement _alternatives_1 = rule.getAlternatives();
String value = ((Keyword) _alternatives_1).getValue();
TerminalRule _originalElement = AntlrGrammarGenUtil.<TerminalRule>getOriginalElement(rule);
String _name = _originalElement.getName();
String _plus = ("synthetic:" + _name);
return Objects.equal(_plus, value);
}
return false;
}
public void assertPredicate(final String expectation, final String grammar) {
try {
EObject _model = this.getModel(grammar);
final Grammar parsed = ((Grammar) _model);
EList<AbstractRule> _rules = parsed.getRules();
AbstractRule _head = IterableExtensions.<AbstractRule>head(_rules);
final AbstractElement body = _head.getAlternatives();
final AbstractElement predicate = AntlrGrammarGenUtil.getPredicatedElement(body);
String _xtext = this.toXtext(predicate);
Assert.assertEquals(expectation, _xtext);
} catch (Throwable _e) {
throw Exceptions.sneakyThrow(_e);
}
}