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

Example 1 with Repeat

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

the class RepeatPart method getModelSpecificChildren.

protected List<IEntity> getModelSpecificChildren() {
    Repeat entity = getModelEntity();
    List<IEntity> list = new ArrayList<IEntity>(4);
    list.add(entity.getLowerBound());
    list.add(entity.getUpperBound());
    list.add(entity.getSeparator());
    list.add(entity.getRule());
    return list;
}

Example 2 with Repeat

use of org.whole.lang.grammars.model.Repeat 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 3 with Repeat

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

the class Grammars2ModelsVisitor method visit.

@Override
public void visit(Production entity) {
    ModelsEntityFactory mf = ModelsEntityFactory.instance;
    String eName = getMappedEntityName(entity);
    Rule rule = entity.getRule();
    AbstractPatternFilterIterator<Rule> ruleIterator = IteratorFactory.<Rule>descendantOrSelfMatcherIterator().withPattern(GrammarsEntityDescriptorEnum.Rule);
    ruleIterator.reset(rule);
    while (ruleIterator.hasNext()) {
        rule = ruleIterator.next();
        switch(rule.wGetEntityOrd()) {
            // map productions with a single lexical non-terminal as data entities
            case GrammarsEntityDescriptorEnum.NonTerminal_ord:
                if (!isLexicalNonTerminal((NonTerminal) rule) || !EntityUtils.hasParent(rule) || !Matcher.match(GrammarsEntityDescriptorEnum.Production, rule.wGetParent()) || !Matcher.match(GrammarsEntityDescriptorEnum.DataTerminal, lexiconMap.get(((NonTerminal) rule).getValue()).getRule()))
                    break;
            case GrammarsEntityDescriptorEnum.DataTerminal_ord:
                DataEntity de = getModelDeclaration(eName, ModelsEntityDescriptorEnum.DataEntity);
                Template template = entity.getTemplate();
                if (Matcher.matchImpl(GrammarsEntityDescriptorEnum.DataType, template))
                    de.getDataType().wSetValue(GrammarsUtils.getDataType((DataType) template));
                else if (Matcher.matchImpl(GrammarsEntityDescriptorEnum.CustomDataType, template))
                    de.getDataType().wSetValue(template.wStringValue());
                return;
            case GrammarsEntityDescriptorEnum.Choose_ord:
                boolean isPolymorphic = false;
                AbstractPatternFilterIterator<NonTerminal> ruleIterator2 = IteratorFactory.<NonTerminal>descendantOrSelfMatcherIterator().withPattern(GrammarsEntityDescriptorEnum.NonTerminal);
                ruleIterator2.reset(rule);
                for (NonTerminal nt2 : ruleIterator2) if (!isLexicalNonTerminal(nt2)) {
                    ensureType(getModelDeclaration(getMappedEntityName(nt2)).getTypes(), eName);
                    isPolymorphic = true;
                }
                if (isPolymorphic) {
                    SimpleEntity se = getModelDeclaration(eName, ModelsEntityDescriptorEnum.SimpleEntity);
                    se.getModifiers().wAdd(mf.createEntityModifier(EntityModifierEnum._abstract));
                    return;
                } else if (!rule.wIsEmpty() && Matcher.match(GrammarsEntityDescriptorEnum.As, rule.wGet(0))) {
                    EnumEntity ee = getModelDeclaration(eName, ModelsEntityDescriptorEnum.EnumEntity);
                    EnumValues enumValues = ModelsEntityFactory.instance.createEnumValues(0);
                    AbstractPatternFilterIterator<As> ruleIterator3 = IteratorFactory.<As>descendantOrSelfMatcherIterator().withPattern(GrammarsEntityDescriptorEnum.As);
                    ruleIterator3.reset(rule);
                    for (As as : ruleIterator3) enumValues.wAdd(ModelsEntityFactory.instance.createEnumValue(as.getName().getValue()));
                    ee.setValues(enumValues);
                    return;
                }
                // }
                break;
            case GrammarsEntityDescriptorEnum.Repeat_ord:
                if (ruleIterator.skipTo(GrammarsEntityDescriptorEnum.NonTerminal)) {
                    // FIXME wrongly assumes that the separator, if present, is a lexical token
                    if (!EntityUtils.isResolver(((Repeat) rule).getSeparator())) {
                        // if (Matcher.matchImpl(GrammarsEntityDescriptorEnum.NonTerminal, ((Repeat) rule).getSeparator())) {
                        ruleIterator.next();
                        ruleIterator.skipTo(GrammarsEntityDescriptorEnum.NonTerminal);
                    }
                    NonTerminal nt = null;
                    AbstractPatternFilterIterator<NonTerminal> ruleIterator4 = IteratorFactory.<NonTerminal>descendantOrSelfMatcherIterator().withPattern(GrammarsEntityDescriptorEnum.NonTerminal);
                    ruleIterator4.reset(rule);
                    for (NonTerminal nt2 : ruleIterator4) if (!isLexicalNonTerminal(nt2)) {
                        nt = nt2;
                        break;
                    }
                    // by now we assume that the separator, if present, is a lexical token
                    if (nt == null)
                        break;
                    // the above statements replace this code, allowing lexical Repeat rule
                    // NonTerminal nt = ruleIterator.next(GrammarsEntityDescriptorEnum.NonTerminal);
                    // while (isLexicalNonTerminal(nt)) {
                    // nt = ruleIterator.next(GrammarsEntityDescriptorEnum.NonTerminal);
                    // }
                    CompositeEntity ce = getModelDeclaration(eName, ModelsEntityDescriptorEnum.CompositeEntity);
                    ce.setComponentType(mf.createSimpleName(getMappedEntityName(nt)));
                    ce.getComponentModifiers().wAdd(mf.createComponentModifier(ComponentModifierEnum.ordered));
                }
                return;
            case GrammarsEntityDescriptorEnum.As_ord:
                As asRule = (As) rule;
                // normalization invariants assure that this branch is unreachable
                // if (Matcher.match(GrammarsEntityDescriptorEnum.LiteralTerminal, asRule.getRule())) {
                // EnumEntity ee = getModelDeclaration(eName, ModelsEntityDescriptorEnum.EnumEntity);
                // 
                // ee.getValues().wAdd(mf.createEnumValue(getMappedName(asRule)));
                // 
                // while (ruleIterator.skipTo(GrammarsEntityDescriptorEnum.As)) {
                // rule = ruleIterator.next(GrammarsEntityDescriptorEnum.As);
                // asRule = (As) rule;
                // 
                // ee.getValues().wAdd(mf.createEnumValue(getMappedName(asRule)));
                // }
                // } else {
                SimpleEntity se = getModelDeclaration(eName, ModelsEntityDescriptorEnum.SimpleEntity);
                Features features = se.getFeatures();
                ensureFeature(features, ruleIterator, asRule);
                while (ruleIterator.hasNext()) {
                    rule = ruleIterator.next();
                    switch(rule.wGetEntityOrd()) {
                        case GrammarsEntityDescriptorEnum.As_ord:
                            asRule = (As) rule;
                            ensureFeature(features, ruleIterator, asRule);
                            break;
                    }
                }
                // }
                return;
            case GrammarsEntityDescriptorEnum.Concatenate_ord:
                break;
        }
    }
    getModelDeclaration(eName, ModelsEntityDescriptorEnum.SimpleEntity);
}

Example 4 with Repeat

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

the class GrammarsPartFactoryVisitor method visit.

@Override
public void visit(NonTerminal entity) {
    Object parentEntity = context.getModel();
    if (parentEntity instanceof Production && entity == ((Production) parentEntity).getName())
        part = new DeclarationTextualEntityPart();
    else if (parentEntity instanceof Repeat && entity == ((Repeat) parentEntity).getSeparator())
        part = new ContentTextualEntityPart();
    else
        part = new NonTerminalPart();
}