@NotNull
public GrStatement addStatementBefore(@NotNull GrStatement element, @Nullable GrStatement anchor)
throws IncorrectOperationException {
if (anchor == null && getRBrace() == null) {
throw new IncorrectOperationException();
}
if (anchor != null && !this.equals(anchor.getParent())) {
throw new IncorrectOperationException();
}
final LeafElement nls =
Factory.createSingleLeafElement(GroovyTokenTypes.mNLS, "\n", 0, 1, null, getManager());
PsiElement actualAnchor = anchor == null ? getRBrace() : anchor;
if (mayUseNewLinesAsSeparators()) {
PsiElement prev = actualAnchor.getPrevSibling();
if (prev instanceof GrParameterList
&& prev.getTextLength() == 0
&& prev.getPrevSibling() != null) {
prev = prev.getPrevSibling();
}
if (!PsiUtil.isLineFeed(prev)) {
addBefore(nls.getPsi(), actualAnchor);
}
}
element = (GrStatement) addBefore(element, actualAnchor);
if (mayUseNewLinesAsSeparators()) {
addBefore(nls.getPsi(), actualAnchor);
} else {
addBefore(
Factory.createSingleLeafElement(GroovyTokenTypes.mNLS, "\n", 0, 1, null, getManager())
.getPsi(),
actualAnchor);
}
return element;
}
@Override
public PsiElement findElementAt(int offset) {
LeafElement element = jetFile.calcTreeElement().findLeafElementAt(offset);
return element != null ? element.getPsi() : null;
}