Examples with Assignment org.eclipse.xtext.Assignment used on opensource projects

Example 36 with Assignment

use of org.eclipse.xtext.Assignment in project xtext-core by eclipse.

the class NodeModelUtils method findNodesForFeature.

private static List<INode> findNodesForFeature(EObject semanticElement, INode node, EStructuralFeature structuralFeature) {
    List<INode> result = Lists.newArrayList();
    String featureName = structuralFeature.getName();
    BidiTreeIterator<INode> iterator = node.getAsTreeIterable().iterator();
    while (iterator.hasNext()) {
        INode child = iterator.next();
        EObject grammarElement = child.getGrammarElement();
        if (grammarElement != null) {
            if (grammarElement instanceof Action) {
                Action action = (Action) grammarElement;
                if (child.getSemanticElement() == semanticElement) {
                    child = iterator.next();
                    if (featureName.equals(action.getFeature())) {
                        result.add(child);
                    }
                } else {
                    // navigate the action's left side (first child) until we find an assignment (a rule call)
                    // the assignment will tell us about the feature to which we assigned
                    // the semantic object that has been created by the action
                    INode firstChild = ((ICompositeNode) child).getFirstChild();
                    while (firstChild.getGrammarElement() instanceof Action) {
                        firstChild = ((ICompositeNode) firstChild).getFirstChild();
                    }
                    EObject firstChildGrammarElement = firstChild.getGrammarElement();
                    Assignment assignment = GrammarUtil.containingAssignment(firstChildGrammarElement);
                    if (assignment != null && featureName.equals(assignment.getFeature())) {
                        result.add(child);
                    }
                }
                iterator.prune();
            } else if (child != node) {
                Assignment assignment = GrammarUtil.containingAssignment(grammarElement);
                if (assignment != null) {
                    if (featureName.equals(assignment.getFeature())) {
                        result.add(child);
                    }
                    iterator.prune();
                }
            }
        }
    }
    return result;
}

Example 37 with Assignment

use of org.eclipse.xtext.Assignment in project xtext-core by eclipse.

the class NodeModelBasedRegionAccessBuilder method findGrammarElement.

protected EObject findGrammarElement(INode node, EObject obj) {
    INode current = node;
    String feature = obj.eContainingFeature().getName();
    while (current != null) {
        EObject grammarElement = current.getGrammarElement();
        Assignment assignment = GrammarUtil.containingAssignment(grammarElement);
        if (assignment != null && feature.equals(assignment.getFeature()))
            return grammarElement;
        if (grammarElement instanceof Action) {
            Action action = (Action) grammarElement;
            if (feature.equals(action.getFeature()))
                return grammarElement;
            else if (current == node && current instanceof ICompositeNode) {
                INode child = ((ICompositeNode) current).getFirstChild();
                while (child instanceof ICompositeNode) {
                    EObject grammarElement2 = child.getGrammarElement();
                    Assignment assignment2 = GrammarUtil.containingAssignment(grammarElement2);
                    if (assignment2 != null && feature.equals(assignment2.getFeature()))
                        return grammarElement2;
                    // if (child.hasDirectSemanticElement() && child.getSemanticElement() != obj)
                    // break;
                    child = ((ICompositeNode) child).getFirstChild();
                }
            }
        }
        if (current.hasDirectSemanticElement() && current.getSemanticElement() != obj)
            return null;
        current = current.getParent();
    }
    return null;
}

Example 38 with Assignment

use of org.eclipse.xtext.Assignment in project xtext-core by eclipse.

the class SequenceFeeder method accept.

public void accept(Keyword keyword, Object value, ILeafNode node) {
    Assignment ass = getAssignment(keyword);
    EStructuralFeature feature = getFeature(ass.getFeature());
    assertIndex(feature);
    assertValue(feature, value);
    String token = getToken(keyword, value, node);
    acceptKeyword(ass, keyword, value, token, ISemanticSequenceAcceptor.NO_INDEX, node);
}

Example 39 with Assignment

use of org.eclipse.xtext.Assignment in project xtext-core by eclipse.

the class SequenceFeeder method getToken.

protected String getToken(RuleCall rc, Object value, INode node) {
    CrossReference crossRef = GrammarUtil.containingCrossReference(rc);
    Assignment assignment = GrammarUtil.containingAssignment(rc);
    if (crossRef != null)
        return provider.crossRefSerializer.serializeCrossRef(semanticObject, crossRef, (EObject) value, node, errorAcceptor);
    else if (GrammarUtil.isEObjectRuleCall(rc) || GrammarUtil.isBooleanAssignment(assignment))
        return null;
    else if (GrammarUtil.isEnumRuleCall(rc))
        return provider.enumLiteralSerializer.serializeAssignedEnumLiteral(semanticObject, rc, value, node, errorAcceptor);
    else
        return provider.valueSerializer.serializeAssignedValue(semanticObject, rc, value, node, errorAcceptor);
}

Example 40 with Assignment

use of org.eclipse.xtext.Assignment in project xtext-core by eclipse.

the class SequenceFeeder method accept.

public void accept(Keyword keyword, Object value, int index) {
    Assignment ass = getAssignment(keyword);
    EStructuralFeature feature = getFeature(ass.getFeature());
    assertIndex(feature, index);
    assertValue(feature, value);
    ILeafNode node = getLeafNode(feature, index, index, value);
    String token = getToken(keyword, value, node);
    acceptKeyword(ass, keyword, value, token, index, node);
}