@Override
public void visitJSBinaryExpression(@NotNull JSBinaryExpression expression) {
super.visitJSBinaryExpression(expression);
final IElementType sign = expression.getOperationSign();
if (!bitwiseTokens.contains(sign)) {
return;
}
final JSExpression rhs = expression.getROperand();
if (rhs == null) {
return;
}
final JSExpression lhs = expression.getLOperand();
final boolean isPointless;
if (JSTokenTypes.AND.equals(sign)) {
isPointless = andExpressionIsPointless(lhs, rhs);
} else if (JSTokenTypes.OR.equals(sign)) {
isPointless = orExpressionIsPointless(lhs, rhs);
} else if (JSTokenTypes.XOR.equals(sign)) {
isPointless = xorExpressionIsPointless(lhs, rhs);
} else if (JSTokenTypes.LTLT.equals(sign)
|| JSTokenTypes.GTGT.equals(sign)
|| JSTokenTypes.GTGTGT.equals(sign)) {
isPointless = shiftExpressionIsPointless(rhs);
} else {
isPointless = false;
}
if (isPointless) {
registerError(expression, expression);
}
}
@Override
public void visitJSConditionalExpression(JSConditionalExpression jsConditionalExpression) {
super.visitJSConditionalExpression(jsConditionalExpression);
final JSConditionalExpression containingConditionalExpression =
PsiTreeUtil.getParentOfType(jsConditionalExpression, JSConditionalExpression.class, true);
if (containingConditionalExpression == null) {
return;
}
registerError(jsConditionalExpression);
}