private void addTypeCastToExplicitReceiver(
XAbstractFeatureCall featureCall,
IModificationContext context,
JvmType declaringType,
EReference structuralFeature)
throws BadLocationException {
List<INode> nodes = NodeModelUtils.findNodesForFeature(featureCall, structuralFeature);
if (nodes.isEmpty()) return;
INode firstNode = IterableExtensions.head(nodes);
INode lastNode = IterableExtensions.last(nodes);
int offset = firstNode.getOffset();
int length = lastNode.getEndOffset() - offset;
ReplacingAppendable appendable =
appendableFactory.create(
context.getXtextDocument(), (XtextResource) featureCall.eResource(), offset, length);
appendable.append("(");
ListIterator<INode> nodeIter = nodes.listIterator();
while (nodeIter.hasNext()) {
String text = nodeIter.next().getText();
if (nodeIter.previousIndex() == 0) appendable.append(Strings.removeLeadingWhitespace(text));
else if (nodeIter.nextIndex() == nodes.size())
appendable.append(Strings.trimTrailingLineBreak(text));
else appendable.append(text);
}
appendable.append(" as ");
appendable.append(declaringType);
appendable.append(")");
appendable.commitChanges();
}
/**
* creates the feature scope for {@link XAbstractFeatureCall}, including the local variables in
* case it is a feature call without receiver (XFeatureCall).
*/
protected IScope createFeatureCallScope(final XAbstractFeatureCall call, EReference reference) {
if (call instanceof XFeatureCall
|| ((call instanceof XAssignment) && ((XAssignment) call).getAssignable() == null)) {
IScope result = createSimpleFeatureCallScope(call, reference, call.eResource(), false, -1);
return result;
}
final XExpression syntacticalReceiver = getSyntacticalReceiver(call);
IScope result = createFeatureCallScopeForReceiver(call, syntacticalReceiver, reference);
return result;
}
