private static boolean assignmentExpressionsAreEquivalent(
@NotNull GrAssignmentExpression assignExp1, @NotNull GrAssignmentExpression assignExp2) {
final IElementType sign1 = assignExp1.getOperationToken();
final IElementType sign2 = assignExp2.getOperationToken();
if (!sign1.equals(sign2)) {
return false;
}
final GrExpression lhs1 = assignExp1.getLValue();
final GrExpression lhs2 = assignExp2.getLValue();
final GrExpression rhs1 = assignExp1.getRValue();
final GrExpression rhs2 = assignExp2.getRValue();
return expressionsAreEquivalent(lhs1, lhs2) && expressionsAreEquivalent(rhs1, rhs2);
}
