Examples with NonTerminal org.whole.lang.grammars.model.NonTerminal used on opensource projects

Example 1 with NonTerminal

use of org.whole.lang.grammars.model.NonTerminal in project whole by wholeplatform.

the class ParserTemplateFactory method propagateActivation.

protected void propagateActivation(Set<ActiveRule> terminalSet, Set<NonTerminal> recursiveSet, ListIterator<ActiveRule> activeRules, ActiveRule ar) {
    Rule dotRule = ar.getDotRule();
    switch(dotRule.wGetEntityOrd()) {
        case GrammarsEntityDescriptorEnum.DataTerminal_ord:
        case GrammarsEntityDescriptorEnum.LiteralTerminal_ord:
            terminalSet.add(ar);
            break;
        case GrammarsEntityDescriptorEnum.NonTerminal_ord:
            NonTerminal nt = (NonTerminal) dotRule;
            if (recursiveSet.add(nt)) {
                activeRules.add(ar = createActiveRule(nt));
                propagateActivation(terminalSet, recursiveSet, activeRules, ar);
            } else
                ar.setRecursive(true);
            break;
        case GrammarsEntityDescriptorEnum.Concatenate_ord:
            Concatenate c = (Concatenate) dotRule;
            if (c.wSize() > 0) {
                ar.setDotRule((Rule) c.wGet(0));
                propagateActivation(terminalSet, recursiveSet, activeRules, ar);
            }
            break;
        case GrammarsEntityDescriptorEnum.Optional_ord:
            Optional o = (Optional) dotRule;
            ar.setDotRule(o.getRule());
            propagateActivation(terminalSet, recursiveSet, activeRules, ar);
            // TODO add also the rule after the optional
            break;
        case GrammarsEntityDescriptorEnum.Repeat_ord:
            Repeat r = (Repeat) dotRule;
            // TODO check lower bound and split active state for repeat continuation if 0
            ar.setDotRule(r.getRule());
            propagateActivation(terminalSet, recursiveSet, activeRules, ar);
            break;
        case GrammarsEntityDescriptorEnum.As_ord:
            As as = (As) dotRule;
            ar.setDotRule(as.getRule());
            propagateActivation(terminalSet, recursiveSet, activeRules, ar);
            break;
    }
}

Example 2 with NonTerminal

use of org.whole.lang.grammars.model.NonTerminal in project whole by wholeplatform.

the class GenericGrammarBasedValidatorVisitor method calculateDataTerminals.

private void calculateDataTerminals(Grammar grammar) {
    this.dataTerminals = new HashMap<EntityDescriptor<?>, DataTerminal>();
    // TODO ensure grammar normalized
    Map<String, Rule> productions = new HashMap<String, Rule>();
    IEntityIterator<Production> pi = IteratorFactory.<Production>childIterator();
    pi.reset(grammar.getPhraseStructure());
    for (Production p : pi) productions.put(p.getName().getValue(), p.getRule());
    Map<String, Rule> lexicon = new HashMap<String, Rule>();
    IEntityIterator<Production> li = IteratorFactory.<Production>childIterator();
    li.reset(grammar.getLexicalStructure());
    for (Production p : li) lexicon.put(p.getName().getValue(), p.getRule());
    ILanguageKit languageKit = ReflectionFactory.getLanguageKit(GrammarsUtils.getLanguageURI(grammar), false, null);
    EntityDescriptorEnum edEnum = languageKit.getEntityDescriptorEnum();
    for (EntityDescriptor<?> ed : edEnum) if (EntityUtils.isData(ed)) {
        Rule production = productions.get(ed.getName());
        if (!ed.getDataKind().isEnumValue()) {
            DataTerminal dataTerminal = Matcher.find(GrammarsEntityDescriptorEnum.DataTerminal, production, false);
            if (dataTerminal == null) {
                NonTerminal nonTerminal = Matcher.find(GrammarsEntityDescriptorEnum.NonTerminal, production, false);
                dataTerminal = Matcher.find(GrammarsEntityDescriptorEnum.DataTerminal, lexicon.get(nonTerminal.getValue()), false);
            }
            dataTerminals.put(ed, EntityUtils.clone(dataTerminal));
        }
    }
}

Example 3 with NonTerminal

use of org.whole.lang.grammars.model.NonTerminal in project whole by wholeplatform.

the class GrammarBasedUnparserVisitor method visit.

@Override
public void visit(Choose entity) {
    if (!appendModelEntityAsFragment()) {
        if (Matcher.match(GrammarsEntityDescriptorEnum.As, entity.wGet(0)))
            append(getAsString(model));
        else {
            // get rule using model entity
            EntityDescriptorEnum edEnum = model.wGetLanguageKit().getEntityDescriptorEnum();
            Rule rule = null;
            for (int size = entity.wSize(), i = 0; rule == null && i < size; i++) {
                Rule child = (Rule) entity.wGet(i);
                NonTerminal nt = (NonTerminal) Matcher.find(phraseNonTerminal, child, false);
                if (// TODO test was isAssignableFrom
                Matcher.isAssignableAsIsFrom(edEnum.valueOf(nt.getValue()), model))
                    rule = child;
            }
            if (rule != null)
                rule.accept(this);
            else
                throw new IllegalStateException("missing choose rule for model entity");
        }
    }
}

Example 4 with NonTerminal

use of org.whole.lang.grammars.model.NonTerminal in project whole by wholeplatform.

the class GrammarsContentAssistVisitor method calculateNonTerminalValues.

public static Set<String> calculateNonTerminalValues(IEntity e) {
    Grammar grammar = Matcher.findAncestor(Grammar, e);
    if (grammar != null) {
        Set<String> names = new HashSet<String>();
        IEntity parent = e.wGetParent();
        ILanguageKit languageKit = getLanguageKitIfExists(grammar);
        if (languageKit != null) {
            if (!grammar.getLexicalStructure().equals(parent.wGetParent()))
                names.addAll(languageKit.getEntityDescriptorEnum().names());
            if (!parent.wGetFeatureDescriptor(e).equals(name)) {
                QueriesEntityFactory qef = QueriesEntityFactory.instance;
                Path allTokenNames = qef.createPath(qef.createSequence(qef.createFeatureStep("lexicalStructure"), qef.createFeatureStep("phraseStructure")), qef.createChildStep(), qef.createFilter(qef.createFeatureStep("name"), qef.createKindTest(KindTestEnum.IMPL)));
                for (NonTerminal nt : BehaviorUtils.<NonTerminal>compileAndLazyEvaluate(allTokenNames, grammar)) names.add(nt.getValue());
            }
        } else {
            AbstractPatternFilterIterator<NonTerminal> i = IteratorFactory.<NonTerminal>descendantOrSelfMatcherIterator().withPattern(NonTerminal);
            i.reset(grammar);
            for (NonTerminal nt : i) if (EntityUtils.isNotResolver(nt))
                names.add(nt.getValue());
        }
        return names;
    }
    return Collections.emptySet();
}

Example 5 with NonTerminal

use of org.whole.lang.grammars.model.NonTerminal in project whole by wholeplatform.

the class PathExpressionsQueriesTest method testDistinct.

@Test
public void testDistinct() {
    ITemplateManager tm = PathExpressionsQueriesTemplateManager.instance();
    Grammar g = new TestXmlGrammar().create();
    PathExpression pe1 = (PathExpression) tm.create("nonTerminalSet");
    Set<String> set = new HashSet<String>();
    for (NonTerminal nt : BehaviorUtils.<NonTerminal>compileAndLazyEvaluate(pe1, g)) if (!set.add(nt.getValue()))
        Assert.fail();
    Assert.assertEquals(22, set.size());
}