Examples with ISemanticRegion org.eclipse.xtext.formatting2.regionaccess.ISemanticRegion used on opensource projects

Example 11 with ISemanticRegion

use of org.eclipse.xtext.formatting2.regionaccess.ISemanticRegion in project xtext-core by eclipse.

the class SemanticRegionIterable method iterator.

@Override
public Iterator<ISemanticRegion> iterator() {
    return new AbstractIterator<ISemanticRegion>() {

        private ISemanticRegion next = first;

        @Override
        protected ISemanticRegion computeNext() {
            if (next == null)
                return endOfData();
            ISemanticRegion result = next;
            next = next.getNextSemanticRegion();
            if (result == last)
                next = null;
            return result;
        }
    };
}

Example 12 with ISemanticRegion

use of org.eclipse.xtext.formatting2.regionaccess.ISemanticRegion in project xtext-core by eclipse.

the class AbstractSemanticRegionsFinder method keywordPairs.

@Override
public List<Pair<ISemanticRegion, ISemanticRegion>> keywordPairs(Keyword kw1, Keyword kw2) {
    Preconditions.checkNotNull(kw1);
    Preconditions.checkNotNull(kw2);
    Preconditions.checkArgument(kw1 != kw2);
    Predicate<ISemanticRegion> p1 = createPredicate(kw1);
    Predicate<ISemanticRegion> p2 = createPredicate(kw2);
    List<ISemanticRegion> all = findAll(Predicates.or(p1, p2));
    Builder<Pair<ISemanticRegion, ISemanticRegion>> result = ImmutableList.builder();
    LinkedList<ISemanticRegion> stack = new LinkedList<ISemanticRegion>();
    for (ISemanticRegion region : all) {
        if (p1.apply(region))
            stack.push(region);
        else if (!stack.isEmpty())
            result.add(Pair.of(stack.pop(), region));
    }
    return result.build();
}

Example 13 with ISemanticRegion

use of org.eclipse.xtext.formatting2.regionaccess.ISemanticRegion in project xtext-core by eclipse.

the class AbstractSemanticRegionsFinder method keywordPairs.

@Override
public List<Pair<ISemanticRegion, ISemanticRegion>> keywordPairs(String kw1, String kw2) {
    Preconditions.checkNotNull(kw1);
    Preconditions.checkNotNull(kw2);
    Preconditions.checkArgument(!kw1.equals(kw2));
    Predicate<ISemanticRegion> p1 = new KeywordPredicate(kw1);
    Predicate<ISemanticRegion> p2 = new KeywordPredicate(kw2);
    List<ISemanticRegion> all = findAll(Predicates.or(p1, p2));
    Builder<Pair<ISemanticRegion, ISemanticRegion>> result = ImmutableList.builder();
    LinkedList<ISemanticRegion> stack = new LinkedList<ISemanticRegion>();
    for (ISemanticRegion region : all) {
        if (p1.apply(region))
            stack.push(region);
        else {
            AbstractRule regionRule = GrammarUtil.containingRule(region.getGrammarElement());
            while (!stack.isEmpty()) {
                ISemanticRegion candidate = stack.pop();
                if (region.getSemanticElement() == candidate.getSemanticElement()) {
                    AbstractRule candidateRule = GrammarUtil.containingRule(candidate.getGrammarElement());
                    if (regionRule == candidateRule) {
                        result.add(Pair.of(candidate, region));
                        break;
                    }
                }
            }
        }
    }
    return result.build();
}

Example 14 with ISemanticRegion

use of org.eclipse.xtext.formatting2.regionaccess.ISemanticRegion in project xtext-core by eclipse.

the class SemanticRegionFinderTest method regionForRuleCallAssignedTerminal.

@Test
public void regionForRuleCallAssignedTerminal() throws Exception {
    Mixed mixed = parseAs("6 (foo)", Mixed.class);
    ISemanticRegionsFinder finder = toAccess(mixed).regionForEObject(mixed).getRegionFor();
    ISemanticRegion actual = finder.ruleCall(grammarAccess.getMixedAccess().getNameIDTerminalRuleCall_2_2_0_0());
    ISemanticRegion actuals = finder.ruleCall(grammarAccess.getMixedAccess().getNameIDTerminalRuleCall_2_2_0_0());
    Assert.assertEquals("foo", actual, actuals);
}

Example 15 with ISemanticRegion

use of org.eclipse.xtext.formatting2.regionaccess.ISemanticRegion in project xtext-core by eclipse.

the class SemanticRegionFinderTest method regionForRuleCallAssignedDataType.

@Test
public void regionForRuleCallAssignedDataType() throws Exception {
    Mixed mixed = parseAs("6 (datatype foo)", Mixed.class);
    ISemanticRegionsFinder finder = toAccess(mixed).regionForEObject(mixed).getRegionFor();
    ISemanticRegion actual = finder.ruleCall(grammarAccess.getMixedAccess().getDatatypeDatatypeParserRuleCall_2_2_2_0());
    ISemanticRegion actuals = finder.ruleCall(grammarAccess.getMixedAccess().getDatatypeDatatypeParserRuleCall_2_2_2_0());
    Assert.assertEquals("datatype foo", actual, actuals);
}