Examples with N4Modifier org.eclipse.n4js.n4JS.N4Modifier used on opensource projects

Example 1 with N4Modifier

use of org.eclipse.n4js.n4JS.N4Modifier in project n4js by eclipse.

the class N4JSSyntaxValidator method holdsNotMoreThanOneAccessModifier.

/**
 * Check that not more than one access modifier is given. Access modifiers are those for which
 * {@link ModifierUtils#isAccessModifier(N4Modifier)} returns <code>true</code>.
 */
private boolean holdsNotMoreThanOneAccessModifier(ModifiableElement elem) {
    boolean hasIssue = false;
    boolean hasAccessModifier = false;
    for (int idx = 0; idx < elem.getDeclaredModifiers().size(); idx++) {
        final N4Modifier mod = elem.getDeclaredModifiers().get(idx);
        final boolean isAccessModifier = ModifierUtils.isAccessModifier(mod);
        if (hasAccessModifier && isAccessModifier) {
            final ILeafNode node = ModifierUtils.getNodeForModifier(elem, idx);
            addIssue(IssueCodes.getMessageForSYN_MODIFIER_ACCESS_SEVERAL(), elem, node.getOffset(), node.getLength(), IssueCodes.SYN_MODIFIER_ACCESS_SEVERAL);
            hasIssue = true;
        }
        hasAccessModifier |= isAccessModifier;
    }
    return !hasIssue;
}

Example 2 with N4Modifier

use of org.eclipse.n4js.n4JS.N4Modifier in project n4js by eclipse.

the class N4JSSyntaxValidator method holdsCorrectOrder.

/**
 * Check for correct ordering of access modifiers.
 */
private boolean holdsCorrectOrder(ModifiableElement elem) {
    boolean isOrderMessedUp = false;
    int lastValue = -1;
    for (N4Modifier mod : elem.getDeclaredModifiers()) {
        final int currValue = mod.getValue();
        if (currValue < lastValue) {
            isOrderMessedUp = true;
            break;
        }
        lastValue = currValue;
    }
    if (isOrderMessedUp) {
        final List<N4Modifier> modifiers = ModifierUtils.getSortedModifiers(elem.getDeclaredModifiers());
        final String modifiersStr = Joiner.on(' ').join(modifiers.iterator());
        final ILeafNode nodeFirst = ModifierUtils.getNodeForModifier(elem, 0);
        final ILeafNode nodeLast = ModifierUtils.getNodeForModifier(elem, elem.getDeclaredModifiers().size() - 1);
        addIssue(IssueCodes.getMessageForSYN_MODIFIER_BAD_ORDER(modifiersStr), elem, nodeFirst.getOffset(), nodeLast.getOffset() - nodeFirst.getOffset() + nodeLast.getLength(), IssueCodes.SYN_MODIFIER_BAD_ORDER);
        return false;
    }
    return true;
}

Example 3 with N4Modifier

use of org.eclipse.n4js.n4JS.N4Modifier in project n4js by eclipse.

the class N4JSSyntaxValidator method holdsNoInvalidOrDuplicateModifiers.

/**
 * Check for invalid modifiers (e.g. ABSTRACT on a field) and duplicates.
 */
private boolean holdsNoInvalidOrDuplicateModifiers(ModifiableElement elem) {
    boolean hasIssue = false;
    final Set<N4Modifier> checked = new HashSet<>();
    for (int idx = 0; idx < elem.getDeclaredModifiers().size(); idx++) {
        final N4Modifier mod = elem.getDeclaredModifiers().get(idx);
        final boolean duplicate = !checked.add(mod);
        if (!ModifierUtils.isValid(elem.eClass(), mod)) {
            final ILeafNode node = ModifierUtils.getNodeForModifier(elem, idx);
            addIssue(IssueCodes.getMessageForSYN_MODIFIER_INVALID(mod.getName(), keywordProvider.keyword(elem)), elem, node.getOffset(), node.getLength(), IssueCodes.SYN_MODIFIER_INVALID);
            hasIssue = true;
        } else if (duplicate) {
            final ILeafNode node = ModifierUtils.getNodeForModifier(elem, idx);
            addIssue(IssueCodes.getMessageForSYN_MODIFIER_DUPLICATE(mod.getName()), elem, node.getOffset(), node.getLength(), IssueCodes.SYN_MODIFIER_DUPLICATE);
            hasIssue = true;
        }
    }
    return !hasIssue;
}