@Override
public void visitBinaryExpression(@NotNull PsiBinaryExpression expression) {
super.visitBinaryExpression(expression);
final PsiExpression rhs = expression.getROperand();
if (!(rhs != null)) {
return;
}
if (!ComparisonUtils.isComparison(expression)) {
return;
}
if (ComparisonUtils.isEqualityComparison(expression)) {
return;
}
final PsiExpression lhs = expression.getLOperand();
if (!isCharacter(lhs)) {
return;
}
if (!isCharacter(rhs)) {
return;
}
if (NonNlsUtils.isNonNlsAnnotated(lhs) || NonNlsUtils.isNonNlsAnnotated(rhs)) {
return;
}
registerError(expression);
}
@Override
public void visitBinaryExpression(@NotNull PsiBinaryExpression expression) {
super.visitBinaryExpression(expression);
if (!ComparisonUtils.isComparison(expression)) {
return;
}
final PsiExpression lhs = expression.getLOperand();
final PsiExpression rhs = expression.getROperand();
if (rhs == null || !isConstantExpression(lhs) || isConstantExpression(rhs)) {
return;
}
registerError(expression);
}
@Override
public void visitBinaryExpression(PsiBinaryExpression expression) {
super.visitBinaryExpression(expression);
final PsiExpression rhs = expression.getROperand();
if (rhs == null) {
return;
}
if (!ComparisonUtils.isComparison(expression)) {
return;
}
final PsiExpression lhs = expression.getLOperand();
if (lhs instanceof PsiMethodCallExpression) {
final PsiJavaToken sign = expression.getOperationSign();
if (canBeReplacedByContains(lhs, sign, rhs, false)) {
registerError(expression, expression);
}
} else if (rhs instanceof PsiMethodCallExpression) {
final PsiJavaToken sign = expression.getOperationSign();
if (canBeReplacedByContains(rhs, sign, lhs, true)) {
registerError(expression, expression);
}
}
}
@Override
public void visitBinaryExpression(PsiBinaryExpression expression) {
super.visitBinaryExpression(expression);
final IElementType operationTokenType = expression.getOperationTokenType();
final PsiExpression lhs = ParenthesesUtils.stripParentheses(expression.getLOperand());
final PsiExpression rhs = ParenthesesUtils.stripParentheses(expression.getROperand());
final PsiBinaryExpression binaryExpression;
final PsiExpression possibleInstanceofExpression;
if (operationTokenType.equals(JavaTokenType.ANDAND)) {
if (lhs instanceof PsiBinaryExpression) {
binaryExpression = (PsiBinaryExpression) lhs;
possibleInstanceofExpression = rhs;
} else if (rhs instanceof PsiBinaryExpression) {
binaryExpression = (PsiBinaryExpression) rhs;
possibleInstanceofExpression = lhs;
} else {
return;
}
final IElementType tokenType = binaryExpression.getOperationTokenType();
if (!tokenType.equals(JavaTokenType.NE)) {
return;
}
} else if (operationTokenType.equals(JavaTokenType.OROR)) {
if (lhs instanceof PsiBinaryExpression && rhs instanceof PsiPrefixExpression) {
final PsiPrefixExpression prefixExpression = (PsiPrefixExpression) rhs;
final IElementType prefixTokenType = prefixExpression.getOperationTokenType();
if (!JavaTokenType.EXCL.equals(prefixTokenType)) {
return;
}
binaryExpression = (PsiBinaryExpression) lhs;
possibleInstanceofExpression =
ParenthesesUtils.stripParentheses(prefixExpression.getOperand());
} else if (rhs instanceof PsiBinaryExpression && lhs instanceof PsiPrefixExpression) {
final PsiPrefixExpression prefixExpression = (PsiPrefixExpression) lhs;
final IElementType prefixTokenType = prefixExpression.getOperationTokenType();
if (!JavaTokenType.EXCL.equals(prefixTokenType)) {
return;
}
binaryExpression = (PsiBinaryExpression) rhs;
possibleInstanceofExpression =
ParenthesesUtils.stripParentheses(prefixExpression.getOperand());
} else {
return;
}
final IElementType tokenType = binaryExpression.getOperationTokenType();
if (!tokenType.equals(JavaTokenType.EQEQ)) {
return;
}
} else {
return;
}
final PsiReferenceExpression referenceExpression1 =
getReferenceFromNullCheck(binaryExpression);
if (referenceExpression1 == null) {
return;
}
final PsiReferenceExpression referenceExpression2 =
getReferenceFromInstanceofExpression(possibleInstanceofExpression);
if (!referencesEqual(referenceExpression1, referenceExpression2)) {
return;
}
registerError(binaryExpression);
}