@Override
public void visitElement(@NotNull PsiElement element) {
if (hasSuperCall) {
return;
}
super.visitElement(element);
}
@Override
public void visitReferenceElement(PsiJavaCodeReferenceElement reference) {
super.visitReferenceElement(reference);
final PsiElement element = reference.resolve();
if (element != null) {
myResult.add(element);
}
}
@Override
public void visitAnnotation(PsiAnnotation annotation) {
super.visitAnnotation(annotation);
@NonNls final String qualifiedName = annotation.getQualifiedName();
if (qualifiedName == null || !qualifiedName.startsWith("org.junit.")) {
return;
}
myJUnit4AnnotationFound = true;
}
public void visitReferenceExpression(PsiReferenceExpression expression) {
super.visitReferenceExpression(expression);
if (isProhibitedReference(expression)) {
final PsiField field = getReferencedField(expression);
if (!hasGetter(field)
&& !isStaticFinal(field)
&& !field.getModifierList().hasModifierProperty(PsiModifier.PUBLIC)) {
fieldsNeedingGetter.add(field);
}
}
}
@Override
public void visitReferenceExpression(@NotNull PsiReferenceExpression ref) {
if (used) {
return;
}
super.visitReferenceExpression(ref);
final PsiElement resolvedElement = ref.resolve();
if (variable.equals(resolvedElement)) {
used = true;
}
}
@Override
public void visitReferenceElement(PsiJavaCodeReferenceElement reference) {
super.visitReferenceElement(reference);
if (reference.getQualifier() != null) {
return;
}
final PsiElement target = reference.resolve();
if (!(target instanceof PsiClass) || !PsiUtil.isLocalClass((PsiClass) target)) {
return;
}
referenceToLocalClass = true;
}
public void visitAssignmentExpression(PsiAssignmentExpression expression) {
super.visitAssignmentExpression(expression);
final PsiExpression lhs = expression.getLExpression();
if (isProhibitedReference(lhs)) {
final PsiField field = getReferencedField(lhs);
if (!hasGetter(field)
&& !isStaticFinal(field)
&& !field.getModifierList().hasModifierProperty(PsiModifier.PUBLIC)) {
fieldsNeedingSetter.add(field);
}
}
}
@Override
public void visitBlockStatement(PsiBlockStatement statement) {
final PsiElement parent = statement.getParent();
final boolean isAlreadyCounted =
parent instanceof PsiDoWhileStatement
|| parent instanceof PsiWhileStatement
|| parent instanceof PsiForStatement
|| parent instanceof PsiIfStatement
|| parent instanceof PsiSynchronizedStatement;
if (!isAlreadyCounted) {
enterScope(statement);
}
super.visitBlockStatement(statement);
}
@Override
public void visitPackage(final PsiPackage aPackage) {
final PsiDirectory[] dirs = aPackage.getDirectories();
for (PsiDirectory dir : dirs) {
final PsiFile[] files = dir.getFiles();
for (final PsiFile file : files) {
if (file instanceof PsiJavaFile) {
super.visitJavaFile(((PsiJavaFile) file));
}
}
}
}
@Override
public void visitIfStatement(@NotNull PsiIfStatement statement) {
boolean isAlreadyCounted = false;
PsiElement parent = statement.getParent();
if (parent instanceof PsiIfStatement) {
final PsiStatement elseBranch = ((PsiIfStatement) parent).getElseBranch();
if (statement.equals(elseBranch)) {
isAlreadyCounted = true;
}
}
if (!isAlreadyCounted) {
enterScope(statement);
}
super.visitIfStatement(statement);
}
public void visitAssignmentExpression(PsiAssignmentExpression assignment) {
super.visitAssignmentExpression(assignment);
final PsiExpression lhs = assignment.getLExpression();
final PsiExpression rhs = assignment.getRExpression();
if (!(lhs instanceof PsiReferenceExpression)) {
return;
}
if (!(rhs instanceof PsiReferenceExpression)) {
return;
}
final PsiElement referent = ((PsiReference) rhs).resolve();
if (referent == null || !referent.equals(param)) {
return;
}
final PsiElement assigned = ((PsiReference) lhs).resolve();
if (assigned == null || !(assigned instanceof PsiField)) {
return;
}
fieldAssigned = (PsiField) assigned;
}
@Override
public void visitMethodCallExpression(@NotNull PsiMethodCallExpression expression) {
if (hasSuperCall) {
return;
}
super.visitMethodCallExpression(expression);
final PsiReferenceExpression methodExpression = expression.getMethodExpression();
final PsiExpression qualifier = methodExpression.getQualifierExpression();
if (qualifier == null) {
return;
}
final String text = qualifier.getText();
if (!PsiKeyword.SUPER.equals(text)) {
return;
}
final PsiMethod method = expression.resolveMethod();
if (method == null) {
return;
}
if (method.equals(methodToSearchFor)) {
hasSuperCall = true;
}
}
@Override
public void visitWhileStatement(@NotNull PsiWhileStatement statement) {
enterScope(statement);
super.visitWhileStatement(statement);
}
@Override
public void visitSwitchStatement(@NotNull PsiSwitchStatement statement) {
enterScope(statement);
super.visitSwitchStatement(statement);
}
@Override
public void visitSynchronizedStatement(@NotNull PsiSynchronizedStatement statement) {
enterScope(statement);
super.visitSynchronizedStatement(statement);
}
@Override
public void visitElement(@NotNull PsiElement element) {
if (!used) {
super.visitElement(element);
}
}
@Override
public void visitElement(PsiElement element) {
if (myIsMovable) {
super.visitElement(element);
}
}
public void visitPrefixExpression(PsiPrefixExpression expression) {
super.visitPrefixExpression(expression);
checkSetterNeeded(expression.getOperand(), expression.getOperationSign());
}
@Override
public void visitReferenceExpression(PsiReferenceExpression expression) {
if (myWritten && myRead) {
return;
}
super.visitReferenceExpression(expression);
final PsiElement target = expression.resolve();
if (target != myVariable) {
return;
}
if (PsiUtil.isAccessedForWriting(expression)) {
final PsiElement parent =
PsiTreeUtil.skipParentsOfType(expression, PsiParenthesizedExpression.class);
if (parent instanceof PsiAssignmentExpression) {
final PsiAssignmentExpression assignmentExpression = (PsiAssignmentExpression) parent;
final PsiExpression rhs = assignmentExpression.getRExpression();
if (isComplexArrayExpression(rhs)) {
myWritten = true;
myRead = true;
} else if (!isSimpleArrayExpression(rhs)) {
myWritten = true;
}
}
return;
}
myIsReferenced = true;
PsiElement parent = getParent(expression);
if (parent instanceof PsiArrayAccessExpression) {
PsiArrayAccessExpression arrayAccessExpression = (PsiArrayAccessExpression) parent;
parent = getParent(parent);
while (parent instanceof PsiArrayAccessExpression) {
arrayAccessExpression = (PsiArrayAccessExpression) parent;
parent = getParent(parent);
}
final PsiType type = arrayAccessExpression.getType();
if (type != null) {
final int dimensions = type.getArrayDimensions();
if (dimensions > 0 && dimensions != myVariable.getType().getArrayDimensions()) {
myWritten = true;
}
}
if (PsiUtil.isAccessedForWriting(arrayAccessExpression)) {
myWritten = true;
}
if (PsiUtil.isAccessedForReading(arrayAccessExpression)) {
myRead = true;
}
} else if (parent instanceof PsiReferenceExpression) {
final PsiReferenceExpression referenceExpression = (PsiReferenceExpression) parent;
final String name = referenceExpression.getReferenceName();
if ("length".equals(name)
|| ("clone".equals(name)
&& referenceExpression.getParent() instanceof PsiMethodCallExpression)) {
myRead = true;
}
} else if (parent instanceof PsiForeachStatement) {
final PsiForeachStatement foreachStatement = (PsiForeachStatement) parent;
final PsiExpression iteratedValue = foreachStatement.getIteratedValue();
if (PsiTreeUtil.isAncestor(iteratedValue, expression, false)) {
myRead = true;
}
} else if (parent instanceof PsiExpressionList) {
final PsiExpressionList expressionList = (PsiExpressionList) parent;
parent = parent.getParent();
if (parent instanceof PsiMethodCallExpression) {
final PsiMethodCallExpression methodCallExpression = (PsiMethodCallExpression) parent;
final PsiMethod method = methodCallExpression.resolveMethod();
if (method != null) {
final PsiClass aClass = method.getContainingClass();
if (aClass != null) {
final String methodName = method.getName();
final String qualifiedName = aClass.getQualifiedName();
if ("java.lang.System".equals(qualifiedName)) {
if ("arraycopy".equals(methodName)) {
final PsiExpression[] expressions = expressionList.getExpressions();
if (expressions.length == 5) {
if (PsiTreeUtil.isAncestor(expressions[0], expression, false)) {
myRead = true;
return;
} else if (PsiTreeUtil.isAncestor(expressions[2], expression, false)) {
myWritten = true;
return;
}
}
}
} else if (CommonClassNames.JAVA_UTIL_ARRAYS.equals(qualifiedName)) {
if ("fill".equals(methodName)
|| "parallelPrefix".equals(methodName)
|| "parallelSetAll".equals(methodName)
|| "parallelSort".equals(methodName)
|| "setAll".equals(methodName)
|| "sort".equals(methodName)) {
myWritten = true;
} else {
myRead = true;
}
return;
}
}
}
}
myRead = true;
myWritten = true;
} else {
myWritten = true;
myRead = true;
}
}
@Override
public void visitElement(PsiElement element) {
if (conflict != null) return;
super.visitElement(element);
}