Examples with N4JSGrammarAccess org.eclipse.n4js.services.N4JSGrammarAccess used on opensource projects

Example 1 with N4JSGrammarAccess

use of org.eclipse.n4js.services.N4JSGrammarAccess in project n4js by eclipse.

the class ContentAssistParserSanityTest method methodNames.

/**
 * Returns test data.
 */
@Parameters(name = "{0}")
public static Collection<Object[]> methodNames() {
    try {
        N4JSInjectorProvider injectorProvider = new N4JSInjectorProvider();
        Injector injector = injectorProvider.getInjector();
        DummyParser dummyParser = new DummyParser();
        N4JSGrammarAccess grammarAccess = injector.getInstance(N4JSGrammarAccess.class);
        RuleNames ruleNames = RuleNames.getRuleNames(grammarAccess.getGrammar(), false);
        RuleFilter ruleFilter = new RuleFilter();
        ruleFilter.setDiscardUnreachableRules(true);
        FlattenedGrammarAccess flattened = new FlattenedGrammarAccess(ruleNames, ruleFilter);
        Grammar flattenedGrammar = flattened.getFlattenedGrammar();
        dummyParser.setGrammarAccess(grammarAccess);
        injectorProvider.restoreRegistry();
        dummyParser.getRuleName(null);
        Map<AbstractElement, String> nameMappings = new ReflectExtensions().get(dummyParser, "nameMappings");
        List<String> methodNames = Lists.newArrayList(nameMappings.values());
        Collections.sort(methodNames);
        Set<String> flattenedRuleNames = Sets.newHashSet(Lists.transform(flattenedGrammar.getRules(), r -> r.getName()));
        return Lists.transform(methodNames, (s) -> new Object[] { s, flattenedRuleNames });
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}