private static boolean shouldSkipLine(final PsiFile file, Document doc, int line) {
final int start = doc.getLineStartOffset(line);
final int end = doc.getLineEndOffset(line);
final int _start = CharArrayUtil.shiftForward(doc.getCharsSequence(), start, " \n\t");
if (_start >= end) {
return true;
}
TextRange alreadyChecked = null;
for (PsiElement elem = file.findElementAt(_start);
elem != null
&& elem.getTextOffset() <= end
&& (alreadyChecked == null || !alreadyChecked.contains(elem.getTextRange()));
elem = elem.getNextSibling()) {
for (PsiElement _elem = elem; _elem.getTextOffset() >= _start; _elem = _elem.getParent()) {
alreadyChecked = _elem.getTextRange();
if (_elem instanceof PsiDeclarationStatement) {
final PsiElement[] declared = ((PsiDeclarationStatement) _elem).getDeclaredElements();
for (PsiElement declaredElement : declared) {
if (declaredElement instanceof PsiVariable) {
return false;
}
}
}
if (_elem instanceof PsiJavaCodeReferenceElement) {
final PsiElement resolved = ((PsiJavaCodeReferenceElement) _elem).resolve();
if (resolved instanceof PsiVariable) {
return false;
}
}
}
}
return true;
}
