@Override
public String suggestUniqueVariableName(String baseName, PsiElement place, boolean lookForward) {
int index = 0;
PsiElement scope =
PsiTreeUtil.getNonStrictParentOfType(
place, PsiStatement.class, PsiCodeBlock.class, PsiMethod.class);
NextName:
while (true) {
String name = baseName;
if (index > 0) {
name += index;
}
index++;
if (PsiUtil.isVariableNameUnique(name, place)) {
if (lookForward) {
final String name1 = name;
PsiElement run = scope;
while (run != null) {
class CancelException extends RuntimeException {}
try {
run.accept(
new JavaRecursiveElementWalkingVisitor() {
@Override
public void visitAnonymousClass(final PsiAnonymousClass aClass) {}
@Override
public void visitVariable(PsiVariable variable) {
if (name1.equals(variable.getName())) {
throw new CancelException();
}
}
});
} catch (CancelException e) {
continue NextName;
}
run = run.getNextSibling();
if (scope instanceof PsiMethod) { // do not check next member for param name conflict
break;
}
}
}
return name;
}
}
}
