@Override
public void visitBinaryExpression(PsiBinaryExpression expression) {
final IElementType tokenType = expression.getOperationTokenType();
if (JavaTokenType.OROR != tokenType) {
return;
}
final PsiExpression lhs = expression.getLOperand();
final PsiExpression rhs = expression.getROperand();
final Pair<PsiReferenceExpression, PsiExpression> pair1 = getReferenceExpressionPair(lhs);
final Pair<PsiReferenceExpression, PsiExpression> pair2 = getReferenceExpressionPair(rhs);
if (pair1 == null || pair2 == null) {
return;
}
final PsiExpression expression1 = pair1.getSecond();
final PsiExpression expression2 = pair2.getSecond();
if (expression1 == null || expression2 == null) {
return;
}
final Project project = expression1.getProject();
final JavaPsiFacade psiFacade = JavaPsiFacade.getInstance(project);
final PsiConstantEvaluationHelper constantEvaluationHelper =
psiFacade.getConstantEvaluationHelper();
final Object constant1 = constantEvaluationHelper.computeConstantExpression(expression1);
final Object constant2 = constantEvaluationHelper.computeConstantExpression(expression2);
if (constant1 == null || constant2 == null || constant1 == constant2) {
return;
}
final PsiReferenceExpression referenceExpression1 = pair1.getFirst();
final PsiReferenceExpression referenceExpression2 = pair2.getFirst();
if (referenceExpression1.resolve() == referenceExpression2.resolve()) {
registerError(expression);
}
}
public static int findFieldAssignmentAnchor(
final PsiStatement[] statements,
final @Nullable Ref<Pair<PsiField, Boolean>> anchorRef,
final PsiClass targetClass,
final PsiParameter myParameter) {
int i = 0;
for (; i < statements.length; i++) {
PsiStatement psiStatement = statements[i];
if (psiStatement instanceof PsiExpressionStatement) {
PsiExpressionStatement expressionStatement = (PsiExpressionStatement) psiStatement;
PsiExpression expression = expressionStatement.getExpression();
if (expression instanceof PsiMethodCallExpression) {
PsiMethodCallExpression methodCallExpression = (PsiMethodCallExpression) expression;
String text = methodCallExpression.getMethodExpression().getText();
if (text.equals("super") || text.equals("this")) {
continue;
}
} else if (expression instanceof PsiAssignmentExpression) {
PsiAssignmentExpression assignmentExpression = (PsiAssignmentExpression) expression;
PsiExpression lExpression = assignmentExpression.getLExpression();
PsiExpression rExpression = assignmentExpression.getRExpression();
if (!(lExpression instanceof PsiReferenceExpression)) break;
if (!(rExpression instanceof PsiReferenceExpression)) break;
PsiReferenceExpression lReference = (PsiReferenceExpression) lExpression;
PsiReferenceExpression rReference = (PsiReferenceExpression) rExpression;
PsiElement lElement = lReference.resolve();
PsiElement rElement = rReference.resolve();
if (!(lElement instanceof PsiField)
|| ((PsiField) lElement).getContainingClass() != targetClass) break;
if (!(rElement instanceof PsiParameter)) break;
if (myParameter.getTextRange().getStartOffset()
< rElement.getTextRange().getStartOffset()) {
if (anchorRef != null) {
anchorRef.set(Pair.create((PsiField) lElement, Boolean.TRUE));
}
break;
}
if (anchorRef != null) {
anchorRef.set(Pair.create((PsiField) lElement, Boolean.FALSE));
}
continue;
}
}
break;
}
return i;
}
private static boolean referencesEqual(
PsiReferenceExpression reference1, PsiReferenceExpression reference2) {
if (reference1 == null || reference2 == null) {
return false;
}
final PsiElement target1 = reference1.resolve();
if (target1 == null) {
return false;
}
final PsiElement target2 = reference2.resolve();
return target1.equals(target2);
}
private static boolean isFixApplicable(PsiExpression location) {
// conservative check to see if the result value of the postfix
// expression is used later in the same expression statement.
// Applying the quick fix in such a case would break the code
// because the explicit unboxing code would split the expression in
// multiple statements.
final PsiElement parent = location.getParent();
if (!(parent instanceof PsiPostfixExpression)) {
return true;
}
final PsiReferenceExpression reference;
if (location instanceof PsiReferenceExpression) {
reference = (PsiReferenceExpression) location;
} else if (location instanceof PsiArrayAccessExpression) {
final PsiArrayAccessExpression arrayAccessExpression = (PsiArrayAccessExpression) location;
final PsiExpression expression = arrayAccessExpression.getArrayExpression();
if (!(expression instanceof PsiReferenceExpression)) {
return true;
}
reference = (PsiReferenceExpression) expression;
} else {
return true;
}
final PsiElement element = reference.resolve();
if (element == null) {
return true;
}
final PsiStatement statement = PsiTreeUtil.getParentOfType(parent, PsiStatement.class);
final LocalSearchScope scope = new LocalSearchScope(statement);
final Query<PsiReference> query = ReferencesSearch.search(element, scope);
final Collection<PsiReference> references = query.findAll();
return references.size() <= 1;
}
@NonNls
private static String computeConstantBooleanText(PsiExpression expression) {
if (!(expression instanceof PsiReferenceExpression)) {
return null;
}
final PsiReferenceExpression referenceExpression = (PsiReferenceExpression) expression;
final PsiElement target = referenceExpression.resolve();
if (!(target instanceof PsiField)) {
return null;
}
final PsiField field = (PsiField) target;
final PsiClass containingClass = field.getContainingClass();
if (containingClass == null) {
return null;
}
final String qualifiedName = containingClass.getQualifiedName();
if (!CommonClassNames.JAVA_LANG_BOOLEAN.equals(qualifiedName)) {
return null;
}
@NonNls final String name = field.getName();
if ("TRUE".equals(name)) {
return "true";
} else if ("FALSE".equals(name)) {
return "false";
} else {
return null;
}
}
private static void checkCodeBlock(
final PsiCodeBlock body, final Set<PsiField> candidates, Set<PsiField> usedFields) {
try {
final ControlFlow controlFlow =
ControlFlowFactory.getInstance(body.getProject())
.getControlFlow(body, AllVariablesControlFlowPolicy.getInstance());
final List<PsiVariable> usedVars =
ControlFlowUtil.getUsedVariables(controlFlow, 0, controlFlow.getSize());
for (PsiVariable usedVariable : usedVars) {
if (usedVariable instanceof PsiField) {
final PsiField usedField = (PsiField) usedVariable;
if (!usedFields.add(usedField)) {
candidates.remove(usedField); // used in more than one code block
}
}
}
final List<PsiReferenceExpression> readBeforeWrites =
ControlFlowUtil.getReadBeforeWrite(controlFlow);
for (final PsiReferenceExpression readBeforeWrite : readBeforeWrites) {
final PsiElement resolved = readBeforeWrite.resolve();
if (resolved instanceof PsiField) {
final PsiField field = (PsiField) resolved;
PsiElement parent = body.getParent();
if (!(parent instanceof PsiMethod)
|| !((PsiMethod) parent).isConstructor()
|| field.getInitializer() == null
|| field.hasModifierProperty(PsiModifier.STATIC)) {
candidates.remove(field);
}
}
}
} catch (AnalysisCanceledException e) {
candidates.clear();
}
}
private static boolean isParameterUsedRecursively(
@NotNull PsiElement element, @NotNull List<PsiReference> array) {
if (!(element instanceof PsiParameter)) return false;
PsiParameter parameter = (PsiParameter) element;
PsiElement scope = parameter.getDeclarationScope();
if (!(scope instanceof PsiMethod)) return false;
PsiMethod method = (PsiMethod) scope;
int paramIndex = ArrayUtilRt.find(method.getParameterList().getParameters(), parameter);
for (PsiReference reference : array) {
if (!(reference instanceof PsiElement)) return false;
PsiElement argument = (PsiElement) reference;
PsiMethodCallExpression methodCallExpression =
(PsiMethodCallExpression)
new PsiMatcherImpl(argument)
.dot(PsiMatchers.hasClass(PsiReferenceExpression.class))
.parent(PsiMatchers.hasClass(PsiExpressionList.class))
.parent(PsiMatchers.hasClass(PsiMethodCallExpression.class))
.getElement();
if (methodCallExpression == null) return false;
PsiReferenceExpression methodExpression = methodCallExpression.getMethodExpression();
if (method != methodExpression.resolve()) return false;
PsiExpressionList argumentList = methodCallExpression.getArgumentList();
PsiExpression[] arguments = argumentList.getExpressions();
int argumentIndex = ArrayUtilRt.find(arguments, argument);
if (paramIndex != argumentIndex) return false;
}
return true;
}
private boolean isArrayLookup(PsiElement element, String indexName, PsiVariable arrayVariable) {
if (element == null) {
return false;
}
if (!(element instanceof PsiArrayAccessExpression)) {
return false;
}
final PsiArrayAccessExpression arrayAccess = (PsiArrayAccessExpression) element;
final PsiExpression indexExpression = arrayAccess.getIndexExpression();
if (indexExpression == null) {
return false;
}
if (!indexName.equals(indexExpression.getText())) {
return false;
}
final PsiExpression arrayExpression = arrayAccess.getArrayExpression();
if (!(arrayExpression instanceof PsiReferenceExpression)) {
return false;
}
final PsiReferenceExpression referenceExpression = (PsiReferenceExpression) arrayExpression;
final PsiExpression qualifier = referenceExpression.getQualifierExpression();
if (qualifier != null
&& !(qualifier instanceof PsiThisExpression)
&& !(qualifier instanceof PsiSuperExpression)) {
return false;
}
final PsiElement target = referenceExpression.resolve();
return arrayVariable.equals(target);
}
private static void makeVariableFinalIfNeeded(
InsertionContext context, @Nullable PsiReferenceExpression ref) {
if (!Registry.is("java.completion.make.outer.variables.final")
|| ref == null
|| PsiUtil.isLanguageLevel8OrHigher(ref)
|| JspPsiUtil.isInJspFile(ref)) {
return;
}
PsiElement target = ref.resolve();
if (target instanceof PsiLocalVariable || target instanceof PsiParameter) {
PsiClass placeClass =
PsiTreeUtil.findElementOfClassAtOffset(
context.getFile(), context.getTailOffset() - 1, PsiClass.class, false);
if (placeClass != null
&& !PsiTreeUtil.isAncestor(placeClass, target, true)
&& !HighlightControlFlowUtil.isReassigned(
(PsiVariable) target,
new HashMap<PsiElement, Collection<ControlFlowUtil.VariableInfo>>())) {
PsiModifierList modifierList = ((PsiVariable) target).getModifierList();
if (modifierList != null) {
modifierList.setModifierProperty(PsiModifier.FINAL, true);
}
}
}
}
private boolean checkConstantValueVariableUse(
@Nullable PsiExpression expression,
@NotNull PsiExpression constantExpression,
@NotNull PsiElement body) {
final PsiType constantType = constantExpression.getType();
if (PsiType.DOUBLE.equals(constantType)) {
final Object result = ExpressionUtils.computeConstantExpression(constantExpression, false);
if (Double.valueOf(0.0).equals(result) || Double.valueOf(-0.0).equals(result)) {
return false;
}
}
if (!(expression instanceof PsiReferenceExpression)) {
return false;
}
final PsiReferenceExpression referenceExpression = (PsiReferenceExpression) expression;
final PsiElement target = referenceExpression.resolve();
if (!(target instanceof PsiVariable)) {
return false;
}
if (target instanceof PsiField) {
return false;
}
final PsiVariable variable = (PsiVariable) target;
final VariableReadVisitor visitor = new VariableReadVisitor(variable);
body.accept(visitor);
if (!visitor.isRead()) {
return false;
}
registerError(visitor.getReference(), constantExpression);
return true;
}
public static PsiExpression findDefinition(
@NotNull PsiReferenceExpression referenceExpression, @Nullable PsiVariable variable) {
if (variable == null) {
final PsiElement target = referenceExpression.resolve();
if (!(target instanceof PsiVariable)) {
return null;
}
variable = (PsiVariable) target;
}
final PsiCodeBlock block = PsiTreeUtil.getParentOfType(variable, PsiCodeBlock.class);
if (block == null) {
return null;
}
final PsiElement[] defs = DefUseUtil.getDefs(block, variable, referenceExpression);
if (defs.length != 1) {
return null;
}
final PsiElement def = defs[0];
if (def instanceof PsiVariable) {
final PsiVariable target = (PsiVariable) def;
final PsiExpression initializer = target.getInitializer();
return ParenthesesUtils.stripParentheses(initializer);
} else if (def instanceof PsiReferenceExpression) {
final PsiElement parent = def.getParent();
if (!(parent instanceof PsiAssignmentExpression)) {
return null;
}
final PsiAssignmentExpression assignmentExpression = (PsiAssignmentExpression) parent;
if (assignmentExpression.getOperationTokenType() != JavaTokenType.EQ) {
return null;
}
return ParenthesesUtils.stripParentheses(assignmentExpression.getRExpression());
}
return null;
}
@Override
public void visitReferenceExpression(@NotNull PsiReferenceExpression expression) {
if (FileTypeUtils.isInServerPageFile(expression)) {
// disable for jsp files IDEADEV-12957
return;
}
super.visitReferenceExpression(expression);
if (expression.getQualifierExpression() == null) {
return;
}
final PsiElement referenceNameElement = expression.getReferenceNameElement();
if (referenceNameElement == null) {
return;
}
final PsiElement containingClass = getContainingContextClass(expression);
if (containingClass == null) {
return;
}
final PsiElement element = expression.resolve();
if (!(element instanceof PsiMethod || element instanceof PsiField)) {
return;
}
final PsiMember member = (PsiMember) element;
if (!member.hasModifierProperty(PsiModifier.PRIVATE)) {
return;
}
final PsiClass memberClass = ClassUtils.getContainingClass(member);
if (memberClass == null) {
return;
}
if (memberClass.equals(containingClass)) {
return;
}
registerError(referenceNameElement, memberClass, member);
}
private static void checkSillyAssignment(
PsiAssignmentExpression assignment, ProblemsHolder holder) {
if (assignment.getOperationTokenType() != JavaTokenType.EQ) return;
PsiExpression lExpression = assignment.getLExpression();
PsiExpression rExpression = assignment.getRExpression();
if (rExpression == null) return;
lExpression = PsiUtil.deparenthesizeExpression(lExpression);
rExpression = PsiUtil.deparenthesizeExpression(rExpression);
if (!(lExpression instanceof PsiReferenceExpression)) return;
PsiReferenceExpression rRef;
if (!(rExpression instanceof PsiReferenceExpression)) {
if (!(rExpression instanceof PsiAssignmentExpression)) return;
final PsiAssignmentExpression rAssignmentExpression = (PsiAssignmentExpression) rExpression;
final PsiExpression assignee =
PsiUtil.deparenthesizeExpression(rAssignmentExpression.getLExpression());
if (!(assignee instanceof PsiReferenceExpression)) return;
rRef = (PsiReferenceExpression) assignee;
} else {
rRef = (PsiReferenceExpression) rExpression;
}
PsiReferenceExpression lRef = (PsiReferenceExpression) lExpression;
PsiManager manager = assignment.getManager();
if (!sameInstanceReferences(lRef, rRef, manager)) return;
final PsiVariable variable = (PsiVariable) lRef.resolve();
if (variable == null) return;
holder.registerProblem(
assignment,
InspectionsBundle.message("assignment.to.itself.problem.descriptor", variable.getName()),
ProblemHighlightType.LIKE_UNUSED_SYMBOL);
}
private static boolean isCollectCall(PsiStatement body, final PsiParameter parameter) {
PsiIfStatement ifStatement = extractIfStatement(body);
final PsiMethodCallExpression methodCallExpression = extractAddCall(body, ifStatement);
if (methodCallExpression != null) {
final PsiReferenceExpression methodExpression = methodCallExpression.getMethodExpression();
final PsiExpression qualifierExpression = methodExpression.getQualifierExpression();
PsiClass qualifierClass = null;
if (qualifierExpression instanceof PsiReferenceExpression) {
if (ReferencesSearch.search(parameter, new LocalSearchScope(qualifierExpression))
.findFirst()
!= null) {
return false;
}
final PsiElement resolve = ((PsiReferenceExpression) qualifierExpression).resolve();
if (resolve instanceof PsiVariable) {
if (ReferencesSearch.search(
resolve, new LocalSearchScope(methodCallExpression.getArgumentList()))
.findFirst()
!= null) {
return false;
}
}
qualifierClass = PsiUtil.resolveClassInType(qualifierExpression.getType());
} else if (qualifierExpression == null) {
final PsiClass enclosingClass = PsiTreeUtil.getParentOfType(body, PsiClass.class);
if (PsiUtil.getEnclosingStaticElement(body, enclosingClass) == null) {
qualifierClass = enclosingClass;
}
}
if (qualifierClass != null
&& InheritanceUtil.isInheritor(
qualifierClass, false, CommonClassNames.JAVA_UTIL_COLLECTION)) {
while (ifStatement != null && PsiTreeUtil.isAncestor(body, ifStatement, false)) {
final PsiExpression condition = ifStatement.getCondition();
if (condition != null
&& isConditionDependsOnUpdatedCollections(condition, qualifierExpression))
return false;
ifStatement = PsiTreeUtil.getParentOfType(ifStatement, PsiIfStatement.class);
}
final PsiElement resolve = methodExpression.resolve();
if (resolve instanceof PsiMethod
&& "add".equals(((PsiMethod) resolve).getName())
&& ((PsiMethod) resolve).getParameterList().getParametersCount() == 1) {
final PsiExpression[] args = methodCallExpression.getArgumentList().getExpressions();
if (args.length == 1) {
if (args[0] instanceof PsiCallExpression) {
final PsiMethod method = ((PsiCallExpression) args[0]).resolveMethod();
return method != null && !method.hasTypeParameters() && !isThrowsCompatible(method);
}
return true;
}
}
}
}
return false;
}
private PsiField getReferencedField(PsiExpression expression) {
if (expression instanceof PsiParenthesizedExpression) {
final PsiExpression contents = ((PsiParenthesizedExpression) expression).getExpression();
return getReferencedField(contents);
}
final PsiReferenceExpression reference = (PsiReferenceExpression) expression;
return (PsiField) reference.resolve();
}
@Override
public void visitReferenceExpression(PsiReferenceExpression expression) {
if (expression.getQualifierExpression() instanceof PsiSuperExpression) {
PsiElement resolved = expression.resolve();
if (resolved == null
|| resolved instanceof PsiMethod && shouldFixSuper((PsiMethod) resolved)) {
expression.getQualifierExpression().delete();
}
}
}
@Override
public void visitReferenceExpression(PsiReferenceExpression expression) {
final PsiElement psiElement = expression.resolve();
if ((psiElement instanceof PsiLocalVariable || psiElement instanceof PsiParameter)
&& !PsiTreeUtil.isAncestor(myInitializer, psiElement, false)) {
myElementReference = expression;
} else {
super.visitReferenceExpression(expression);
}
}
static boolean isArrayLoopStatement(PsiForStatement forStatement) {
final PsiStatement initialization = forStatement.getInitialization();
if (!(initialization instanceof PsiDeclarationStatement)) {
return false;
}
final PsiDeclarationStatement declaration = (PsiDeclarationStatement)initialization;
final PsiElement[] declaredElements = declaration.getDeclaredElements();
final PsiElement secondDeclaredElement;
if (declaredElements.length == 1) {
secondDeclaredElement = null;
}
else if (declaredElements.length == 2) {
secondDeclaredElement = declaredElements[1];
}
else {
return false;
}
final PsiElement declaredElement = declaredElements[0];
if (!(declaredElement instanceof PsiVariable)) {
return false;
}
final PsiVariable indexVariable = (PsiVariable)declaredElement;
final PsiExpression initialValue = indexVariable.getInitializer();
if (initialValue == null) {
return false;
}
final Object constant =
ExpressionUtils.computeConstantExpression(initialValue);
if (!(constant instanceof Integer)) {
return false;
}
final Integer integer = (Integer)constant;
if (integer.intValue() != 0) {
return false;
}
final PsiStatement update = forStatement.getUpdate();
if (!VariableAccessUtils.variableIsIncremented(indexVariable, update)) {
return false;
}
final PsiExpression condition = forStatement.getCondition();
final PsiReferenceExpression arrayReference = getVariableReferenceFromCondition(condition, indexVariable, secondDeclaredElement);
if (arrayReference == null) {
return false;
}
final PsiElement element = arrayReference.resolve();
if (!(element instanceof PsiVariable)) {
return false;
}
final PsiVariable arrayVariable = (PsiVariable)element;
final PsiStatement body = forStatement.getBody();
return body == null ||
isIndexVariableOnlyUsedAsIndex(arrayVariable, indexVariable, body) &&
!VariableAccessUtils.variableIsAssigned(arrayVariable, body) &&
!VariableAccessUtils.arrayContentsAreAssigned(arrayVariable, body);
}
@Override
public void visitReferenceExpression(@NotNull PsiReferenceExpression reference) {
if (used) {
return;
}
super.visitReferenceExpression(reference);
final PsiElement element = reference.resolve();
if (parameter.equals(element)) {
used = true;
}
}
public void visitReferenceExpression(PsiReferenceExpression expression) {
super.visitReferenceExpression(expression);
final PsiElement referent = expression.resolve();
if (!(referent instanceof PsiParameter)) {
return;
}
final PsiParameter parameter = (PsiParameter) referent;
if (paramsToMerge.contains(parameter)) {
parameterUsages.add(expression);
}
}
@Override
public void visitReferenceExpression(@NotNull PsiReferenceExpression ref) {
if (used) {
return;
}
super.visitReferenceExpression(ref);
final PsiElement resolvedElement = ref.resolve();
if (variable.equals(resolvedElement)) {
used = true;
}
}
public void fix() throws IncorrectOperationException {
if (myField == null) return;
final PsiManager manager = myScope.getManager();
for (PsiReferenceExpression referenceExpression : myReferenceExpressions) {
if (!referenceExpression.isValid()) continue;
final PsiElement newlyResolved = referenceExpression.resolve();
if (!manager.areElementsEquivalent(newlyResolved, myField)) {
qualifyReference(referenceExpression, myField, myQualifyingClass);
}
}
}
private static boolean referenceExpressionsAreEquivalent(
PsiReferenceExpression referenceExpression1, PsiReferenceExpression referenceExpression2) {
final PsiElement element1 = referenceExpression1.resolve();
final PsiElement element2 = referenceExpression2.resolve();
if (element1 != null) {
if (!element1.equals(element2)) {
return false;
}
} else {
return element2 == null;
}
if (element1 instanceof PsiMember) {
final PsiMember member1 = (PsiMember) element1;
if (member1.hasModifierProperty(PsiModifier.STATIC)) {
return true;
} else if (member1 instanceof PsiClass) {
return true;
}
} else {
return true;
}
final PsiExpression qualifier1 = referenceExpression1.getQualifierExpression();
final PsiExpression qualifier2 = referenceExpression2.getQualifierExpression();
if (qualifier1 != null
&& !(qualifier1 instanceof PsiThisExpression || qualifier1 instanceof PsiSuperExpression)) {
if (qualifier2 == null) {
return false;
} else if (!expressionsAreEquivalent(qualifier1, qualifier2)) {
return false;
}
} else {
if (qualifier2 != null
&& !(qualifier2 instanceof PsiThisExpression
|| qualifier2 instanceof PsiSuperExpression)) {
return false;
}
}
final String text1 = referenceExpression1.getText();
final String text2 = referenceExpression2.getText();
return text1.equals(text2);
}
@Override
public void visitReferenceExpression(PsiReferenceExpression expression) {
if (argumentsContainCatchParameter || !visited.add(expression)) {
return;
}
super.visitReferenceExpression(expression);
final PsiElement target = expression.resolve();
if (!parameter.equals(target)) {
if (target instanceof PsiLocalVariable) {
final PsiLocalVariable variable = (PsiLocalVariable) target;
final Query<PsiReference> query =
ReferencesSearch.search(variable, variable.getUseScope(), false);
query.forEach(
reference -> {
final PsiElement element = reference.getElement();
final PsiElement parent =
PsiTreeUtil.skipParentsOfType(element, PsiParenthesizedExpression.class);
if (!(parent instanceof PsiReferenceExpression)) {
return true;
}
final PsiElement grandParent = parent.getParent();
if (!(grandParent instanceof PsiMethodCallExpression)) {
return true;
}
final PsiMethodCallExpression methodCallExpression =
(PsiMethodCallExpression) grandParent;
final PsiExpressionList argumentList = methodCallExpression.getArgumentList();
final PsiExpression[] arguments = argumentList.getExpressions();
for (PsiExpression argument : arguments) {
argument.accept(ReferenceFinder.this);
}
return true;
});
final PsiExpression initializer = variable.getInitializer();
if (initializer != null) {
initializer.accept(this);
}
}
return;
}
if (ignoreGetMessage) {
argumentsContainCatchParameter = true;
} else {
final PsiElement parent = expression.getParent();
if (parent instanceof PsiReferenceExpression) {
final PsiElement grandParent = parent.getParent();
if (grandParent instanceof PsiMethodCallExpression) {
return;
}
}
argumentsContainCatchParameter = true;
}
}
@Override
public void visitReferenceExpression(final PsiReferenceExpression reference) {
if (myLineRange.intersects(reference.getTextRange())) {
final PsiElement psiElement = reference.resolve();
if (psiElement instanceof PsiVariable) {
final PsiVariable var = (PsiVariable) psiElement;
if (var instanceof PsiField) {
if (myCollectExpressions
&& !DebuggerUtils.hasSideEffectsOrReferencesMissingVars(
reference, myVisibleLocals)) {
/*
if (var instanceof PsiEnumConstant && reference.getQualifier() == null) {
final PsiClass enumClass = ((PsiEnumConstant)var).getContainingClass();
if (enumClass != null) {
final PsiExpression expression = JavaPsiFacade.getInstance(var.getProject()).getParserFacade().createExpressionFromText(enumClass.getName() + "." + var.getName(), var);
final PsiReference ref = expression.getReference();
if (ref != null) {
ref.bindToElement(var);
myExpressions.add(new TextWithImportsImpl(expression));
}
}
}
else {
myExpressions.add(new TextWithImportsImpl(reference));
}
*/
final PsiModifierList modifierList = var.getModifierList();
boolean isConstant =
(var instanceof PsiEnumConstant)
|| (modifierList != null
&& modifierList.hasModifierProperty(PsiModifier.STATIC)
&& modifierList.hasModifierProperty(PsiModifier.FINAL));
if (!isConstant) {
myExpressions.add(new TextWithImportsImpl(reference));
}
}
} else {
if (myVisibleLocals.contains(var.getName())) {
myVars.add(var.getName());
} else {
// fix for variables used in inner classes
if (!Comparing.equal(
PsiTreeUtil.getParentOfType(reference, PsiClass.class),
PsiTreeUtil.getParentOfType(var, PsiClass.class))) {
myExpressions.add(new TextWithImportsImpl(reference));
}
}
}
}
}
super.visitReferenceExpression(reference);
}
@Override
public void visitReferenceExpression(PsiReferenceExpression expression) {
final PsiExpression qualifierExpression = expression.getQualifierExpression();
if (qualifierExpression != null && !(qualifierExpression instanceof PsiThisExpression)) {
return;
}
final PsiElement resolved = expression.resolve();
if (resolved instanceof PsiParameter) {
myUsedParameters.add((PsiParameter) resolved);
} else if (myMovedFields.contains(resolved)) {
myUsedFields.add((PsiField) resolved);
}
}
private static void shortenWithStaticImports(
PsiElement affectedElement, int startOffset, int endOffset) {
final int elementOffset = affectedElement.getTextOffset();
final int finalStartOffset = startOffset + elementOffset;
final int finalEndOffset = endOffset + elementOffset;
final List<PsiReferenceExpression> references = new ArrayList<PsiReferenceExpression>();
final JavaRecursiveElementVisitor collector =
new JavaRecursiveElementVisitor() {
@Override
public void visitReferenceExpression(PsiReferenceExpression expression) {
final int offset = expression.getTextOffset();
if (offset > finalEndOffset) {
return;
}
super.visitReferenceExpression(expression);
if (offset + expression.getTextLength() < finalStartOffset)
if (expression.getQualifierExpression() == null) {
return;
}
references.add(expression);
}
};
affectedElement.accept(collector);
for (PsiReferenceExpression expression : references) {
final PsiElement target = expression.resolve();
if (!(target instanceof PsiMember)) {
continue;
}
final PsiMember member = (PsiMember) target;
final PsiClass containingClass = member.getContainingClass();
if (containingClass == null) {
continue;
}
final String className = containingClass.getQualifiedName();
if (className == null) {
continue;
}
final String name = member.getName();
if (name == null) {
continue;
}
if (ImportUtils.addStaticImport(className, name, expression)) {
final PsiExpression qualifierExpression = expression.getQualifierExpression();
if (qualifierExpression != null) {
qualifierExpression.delete();
}
}
}
}
private boolean isListGetLookup(PsiElement element,
String indexName,
PsiVariable listVariable) {
if (!(element instanceof PsiExpression)) {
return false;
}
final PsiExpression expression = (PsiExpression)element;
if (!expressionIsListGetLookup(expression)) {
return false;
}
final PsiMethodCallExpression methodCallExpression =
(PsiMethodCallExpression)
ParenthesesUtils.stripParentheses(expression);
if (methodCallExpression == null) {
return false;
}
final PsiReferenceExpression methodExpression =
methodCallExpression.getMethodExpression();
final PsiExpression qualifierExpression =
methodExpression.getQualifierExpression();
final PsiExpressionList argumentList =
methodCallExpression.getArgumentList();
final PsiExpression[] expressions = argumentList.getExpressions();
if (expressions.length != 1) {
return false;
}
if (!indexName.equals(expressions[0].getText())) {
return false;
}
if (qualifierExpression == null ||
qualifierExpression instanceof PsiThisExpression ||
qualifierExpression instanceof PsiSuperExpression) {
return listVariable == null;
}
if (!(qualifierExpression instanceof PsiReferenceExpression)) {
return false;
}
final PsiReferenceExpression referenceExpression =
(PsiReferenceExpression)qualifierExpression;
final PsiExpression qualifier =
referenceExpression.getQualifierExpression();
if (qualifier != null && !(qualifier instanceof PsiThisExpression) &&
!(qualifier instanceof PsiSuperExpression)) {
return false;
}
final PsiElement target = referenceExpression.resolve();
return listVariable.equals(target);
}
private static void makeMemberPackageLocal(PsiElement element) {
final PsiElement parent = element.getParent();
final PsiReferenceExpression reference = (PsiReferenceExpression) parent;
final PsiModifierListOwner member = (PsiModifierListOwner) reference.resolve();
if (member == null) {
return;
}
final PsiModifierList modifiers = member.getModifierList();
if (modifiers == null) {
return;
}
modifiers.setModifierProperty(PsiModifier.PUBLIC, false);
modifiers.setModifierProperty(PsiModifier.PROTECTED, false);
modifiers.setModifierProperty(PsiModifier.PRIVATE, false);
}
@Override
public void visitReferenceExpression(@NotNull PsiReferenceExpression expression) {
if (used) {
return;
}
super.visitReferenceExpression(expression);
final PsiElement referent = expression.resolve();
if (referent == null) {
return;
}
if (referent.equals(variable)) {
reference = expression;
used = true;
}
}