private static boolean isOtherTypeOrDifferent(
@NotNull GrReferenceExpression referenceExpression, GrVariable resolved) {
if (ControlFlowUtils.findControlFlowOwner(referenceExpression)
!= ControlFlowUtils.findControlFlowOwner(resolved)) return true;
final PsiType currentType = referenceExpression.getType();
return currentType != null
&& currentType != PsiType.NULL
&& !ControlFlowUtils.findAccess(resolved, referenceExpression, false, true).isEmpty();
}
private static boolean isTailAfterIf(
@NotNull GrIfStatement ifStatement, @NotNull GrStatementOwner owner) {
final GrControlFlowOwner flowOwner = ControlFlowUtils.findControlFlowOwner(ifStatement);
if (flowOwner == null) return false;
final Instruction[] flow = flowOwner.getControlFlow();
final GrStatement[] statements = owner.getStatements();
final int index = ArrayUtilRt.find(statements, ifStatement);
if (index == statements.length - 1) return false;
final GrStatement then = ifStatement.getThenBranch();
for (Instruction i : flow) {
final PsiElement element = i.getElement();
if (element == null || !PsiTreeUtil.isAncestor(then, element, true)) continue;
for (Instruction succ : i.allSuccessors()) {
if (succ instanceof IfEndInstruction) {
return false;
}
}
}
return true;
}
@Nullable
public static PsiType inferReturnType(PsiElement position) {
final GrControlFlowOwner flowOwner = ControlFlowUtils.findControlFlowOwner(position);
if (flowOwner == null) return null;
final PsiElement parent = flowOwner.getContext();
if (flowOwner instanceof GrOpenBlock && parent instanceof GrMethod) {
final GrMethod method = (GrMethod) parent;
if (method.isConstructor()) return null;
return method.getReturnType();
}
return null;
}