Examples with ElementReferenceExpression org.yakindu.base.expressions.expressions.ElementReferenceExpression used on opensource projects

Example 1 with ElementReferenceExpression

use of org.yakindu.base.expressions.expressions.ElementReferenceExpression in project statecharts by Yakindu.

the class STextProposalProvider method completeKeyword.

/**
 * Validates if a keyword should be viewed by the proposal view.
 *
 * Builds dependent on the ContentAssistContext a list with keywords which
 * shouldn't be displayed by the proposal view.
 */
@Override
public void completeKeyword(Keyword keyword, ContentAssistContext contentAssistContext, ICompletionProposalAcceptor acceptor) {
    List<Keyword> suppressKeywords = new ArrayList<Keyword>();
    EObject rootModel = contentAssistContext.getRootModel();
    if (rootModel instanceof TransitionSpecification) {
        suppressKeywords(suppressKeywords, (TransitionSpecification) rootModel);
    } else if (rootModel instanceof SimpleScope) {
        suppressKeywords(suppressKeywords, (SimpleScope) rootModel);
    } else if (rootModel instanceof StatechartSpecification) {
        suppressKeywords(suppressKeywords, (StatechartSpecification) rootModel);
    }
    EObject currentModel = contentAssistContext.getCurrentModel();
    if (currentModel instanceof InterfaceScope) {
        suppressKeywords(suppressKeywords, (InterfaceScope) currentModel);
    }
    if (currentModel instanceof FeatureCall) {
        suppressKeywords(suppressKeywords, (FeatureCall) currentModel);
    }
    if (currentModel instanceof ElementReferenceExpression) {
        suppressKeywords(suppressKeywords, (ElementReferenceExpression) currentModel);
    }
    if (currentModel instanceof InternalScope) {
        suppressKeywords(suppressKeywords, (InternalScope) currentModel);
    }
    if (!suppressKeywords.contains(keyword)) {
        super.completeKeyword(keyword, contentAssistContext, new AcceptorDelegate(acceptor));
    }
}

Example 2 with ElementReferenceExpression

use of org.yakindu.base.expressions.expressions.ElementReferenceExpression in project statecharts by Yakindu.

the class ExpressionsJavaValidator method checkAssignmentToFinalVariable.

@Check(CheckType.FAST)
public void checkAssignmentToFinalVariable(AssignmentExpression exp) {
    Expression varRef = exp.getVarRef();
    EObject referencedObject = null;
    if (varRef instanceof FeatureCall)
        referencedObject = ((FeatureCall) varRef).getFeature();
    else if (varRef instanceof ElementReferenceExpression)
        referencedObject = ((ElementReferenceExpression) varRef).getReference();
    if (referencedObject instanceof Property) {
        if (((Property) referencedObject).isConst()) {
            error(ERROR_ASSIGNMENT_TO_CONST_MSG, ExpressionsPackage.Literals.ASSIGNMENT_EXPRESSION__VAR_REF, ERROR_ASSIGNMENT_TO_CONST_CODE);
        }
    }
}

Example 3 with ElementReferenceExpression

use of org.yakindu.base.expressions.expressions.ElementReferenceExpression in project statecharts by Yakindu.

the class STextScopeProvider method scope_FeatureCall_feature.

public IScope scope_FeatureCall_feature(final FeatureCall context, EReference reference) {
    Predicate<IEObjectDescription> predicate = calculateFilterPredicate(context, reference);
    Expression owner = context.getOwner();
    EObject element = null;
    if (owner instanceof ElementReferenceExpression) {
        element = ((ElementReferenceExpression) owner).getReference();
    } else if (owner instanceof FeatureCall) {
        element = ((FeatureCall) owner).getFeature();
    } else {
        return getDelegate().getScope(context, reference);
    }
    IScope scope = IScope.NULLSCOPE;
    InferenceResult result = typeInferrer.infer(owner);
    Type ownerType = result != null ? result.getType() : null;
    if (element instanceof Scope) {
        scope = Scopes.scopeFor(((Scope) element).getDeclarations());
        return new FilteringScope(scope, predicate);
    } else if (ownerType != null) {
        scope = Scopes.scopeFor(typeSystem.getPropertyExtensions(ownerType));
        scope = Scopes.scopeFor(typeSystem.getOperationExtensions(ownerType), scope);
    }
    if (ownerType instanceof ComplexType) {
        return addScopeForComplexType((ComplexType) ownerType, scope, predicate);
    }
    if (ownerType instanceof EnumerationType) {
        return addScopeForEnumType((EnumerationType) ownerType, scope, predicate);
    }
    return scope;
}

Example 4 with ElementReferenceExpression

use of org.yakindu.base.expressions.expressions.ElementReferenceExpression in project statecharts by Yakindu.

the class RenameRefactoring method internalExecute.

@Override
protected void internalExecute() {
    NamedElement element = getContextObject();
    Collection<EObject> elementReferers = findReferers(element);
    element.setName(newName);
    for (EObject referer : elementReferers) {
        if (referer instanceof FeatureCall) {
            FeatureCall featureCall = (FeatureCall) referer;
            featureCall.setFeature(element);
        } else if (referer instanceof ElementReferenceExpression) {
            ElementReferenceExpression expr = (ElementReferenceExpression) referer;
            expr.setReference(element);
        }
    }
}

Example 5 with ElementReferenceExpression

use of org.yakindu.base.expressions.expressions.ElementReferenceExpression in project statecharts by Yakindu.

the class RenameElementHandler method unwrap.

/**
 * Unwraps the given selection into a state sgraph element
 *
 * @param selection the current selection
 * @return the state sgraph element for the given selection
 */
public NamedElement unwrap(ISelection selection) {
    IStructuredSelection structuredSelection = (IStructuredSelection) selection;
    EObject selectedElement = (EObject) structuredSelection.getFirstElement();
    // We need to find the actual element in our statechart for this fake element
    if (selectedElement instanceof FeatureCall) {
        return findElementForFakeInStatechart((NamedElement) ((FeatureCall) selectedElement).getFeature());
    } else if (selectedElement instanceof ElementReferenceExpression) {
        return findElementForFakeInStatechart((NamedElement) ((ElementReferenceExpression) selectedElement).getReference());
    }
    if (selectedElement instanceof NamedElement)
        return findElementForFakeInStatechart((NamedElement) selectedElement);
    return null;
}