@Override
public int compare(PsiVariable o1, PsiVariable o2) {
if (o1 instanceof PsiParameter && ((PsiParameter) o1).isVarArgs()) return 1;
if (o2 instanceof PsiParameter && ((PsiParameter) o2).isVarArgs()) return -1;
if (o1 instanceof PsiField && o2 instanceof PsiField) {
return o1.getTextOffset() - o2.getTextOffset();
}
if (o1 instanceof PsiParameter && o2 instanceof PsiParameter) {
return myParameterList.getParameterIndex((PsiParameter) o1)
- myParameterList.getParameterIndex((PsiParameter) o2);
}
if (o1 instanceof PsiField && o2 instanceof PsiParameter) {
final PsiField field =
FieldFromParameterUtils.getParameterAssignedToField((PsiParameter) o2);
if (field == null) return 1;
return o1.getTextOffset() - field.getTextOffset();
}
if (o1 instanceof PsiParameter && o2 instanceof PsiField) {
final PsiField field =
FieldFromParameterUtils.getParameterAssignedToField((PsiParameter) o1);
if (field == null) return -1;
return field.getTextOffset() - o2.getTextOffset();
}
return 0;
}
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);
}
@NotNull
@Override
public PsiDeclarationStatement createVariableDeclarationStatement(
@NotNull String name, @NotNull PsiType type, @Nullable PsiExpression initializer)
throws IncorrectOperationException {
if (!isIdentifier(name)) {
throw new IncorrectOperationException("\"" + name + "\" is not an identifier.");
}
if (PsiType.NULL.equals(type)) {
throw new IncorrectOperationException("Cannot create variable with type \"null\".");
}
String text = "X " + name + (initializer != null ? " = x" : "") + ";";
PsiDeclarationStatement statement =
(PsiDeclarationStatement) createStatementFromText(text, null);
PsiVariable variable = (PsiVariable) statement.getDeclaredElements()[0];
replace(variable.getTypeElement(), createTypeElement(type), text);
boolean generateFinalLocals =
JavaCodeStyleSettingsFacade.getInstance(myManager.getProject()).isGenerateFinalLocals();
PsiUtil.setModifierProperty(variable, PsiModifier.FINAL, generateFinalLocals);
if (initializer != null) {
replace(variable.getInitializer(), initializer, text);
}
GeneratedMarkerVisitor.markGenerated(statement);
return statement;
}
private void makeFinal() {
for (PsiVariable var : getVariablesToFix()) {
if (var.isValid()) {
PsiUtil.setModifierProperty(var, PsiModifier.FINAL, 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;
}
private static void generateVariableInfo(
PsiElement originalElement, StringBuilder buffer, PsiVariable variable) {
if (variable instanceof PsiField) {
final PsiClass parentClass = ((PsiField) variable).getContainingClass();
if (parentClass != null) {
buffer.append(JavaDocUtil.getShortestClassName(parentClass, variable));
newLine(buffer);
}
generateModifiers(buffer, variable);
}
final PsiType type =
variable instanceof GrVariable
? ((GrVariable) variable).getDeclaredType()
: variable.getType();
PsiImplUtil.appendTypeString(
buffer, calcSubstitutor(originalElement).substitute(type), originalElement);
buffer.append(" ");
buffer.append(variable.getName());
if (variable instanceof GrVariable) {
newLine(buffer);
while (originalElement != null) {
PsiReference ref = originalElement.getReference();
if (ref != null && ref.resolve() != null) break;
originalElement = originalElement.getParent();
}
if (originalElement != null) {
appendInferredType(originalElement, (GrVariable) variable, buffer);
}
}
}
private static boolean isIndexedListLoopStatement(PsiForStatement forStatement, boolean ignoreUntypedCollections) {
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 Number)) {
return false;
}
final Number number = (Number)constant;
if (number.intValue() != 0) {
return false;
}
final PsiExpression condition = forStatement.getCondition();
final Holder collectionHolder = getCollectionFromSizeComparison(condition, indexVariable, secondDeclaredElement);
if (collectionHolder == null) {
return false;
}
final PsiStatement update = forStatement.getUpdate();
if (!VariableAccessUtils.variableIsIncremented(indexVariable, update)) {
return false;
}
final PsiStatement body = forStatement.getBody();
if (!isIndexVariableOnlyUsedAsListIndex(collectionHolder, indexVariable, body)) {
return false;
}
if (collectionHolder != Holder.DUMMY) {
final PsiVariable collection = collectionHolder.getVariable();
final PsiClassType collectionType = (PsiClassType)collection.getType();
final PsiType[] parameters = collectionType.getParameters();
if (ignoreUntypedCollections && parameters.length == 0) {
return false;
}
return !VariableAccessUtils.variableIsAssigned(collection, body);
}
return true;
}
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
protected LocalQuickFix createRemoveAssignmentFix(PsiReferenceExpression expression) {
final PsiElement parent = expression.getParent();
if (parent instanceof PsiVariable) {
final PsiVariable variable = (PsiVariable) parent;
if (variable.hasModifierProperty(PsiModifier.FINAL)) {
return null;
}
}
return new RemoveSillyAssignmentFix();
}
@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 boolean isAvailable(
@NotNull Project project,
@NotNull PsiFile file,
@NotNull PsiElement startElement,
@NotNull PsiElement endElement) {
final PsiModifierList myModifierList = (PsiModifierList) startElement;
PsiVariable variable = myVariable == null ? null : myVariable.getElement();
return myModifierList.isValid()
&& myModifierList.getManager().isInProject(myModifierList)
&& myModifierList.hasExplicitModifier(myModifier) != myShouldHave
&& (variable == null || variable.isValid());
}
@Override
protected void updateTitle(@Nullable PsiVariable variable, String value) {
if (variable == null || !variable.hasInitializer()) {
super.updateTitle(variable, value);
} else {
final PsiExpression initializer = variable.getInitializer();
assert initializer != null;
String text = variable.getText().replace(variable.getName(), value);
text = text.replace(initializer.getText(), GosuRenderFuction.render(initializer));
setPreviewText(text);
revalidate();
}
}
@Nullable
static HighlightInfo checkVariableMustBeFinal(
PsiVariable variable,
PsiJavaCodeReferenceElement context,
@NotNull LanguageLevel languageLevel) {
if (variable.hasModifierProperty(PsiModifier.FINAL)) return null;
final PsiClass innerClass = getInnerClassVariableReferencedFrom(variable, context);
if (innerClass != null) {
if (variable instanceof PsiParameter) {
final PsiElement parent = variable.getParent();
if (parent instanceof PsiParameterList
&& parent.getParent() instanceof PsiLambdaExpression
&& notAccessedForWriting(
variable, new LocalSearchScope(((PsiParameter) variable).getDeclarationScope()))) {
return null;
}
}
if (languageLevel.isAtLeast(LanguageLevel.JDK_1_8)
&& isEffectivelyFinal(variable, innerClass, context)) {
return null;
}
final String description =
JavaErrorMessages.message("variable.must.be.final", context.getText());
final HighlightInfo highlightInfo =
HighlightInfo.newHighlightInfo(HighlightInfoType.ERROR)
.range(context)
.descriptionAndTooltip(description)
.create();
QuickFixAction.registerQuickFixAction(
highlightInfo,
QUICK_FIX_FACTORY.createVariableAccessFromInnerClassFix(variable, innerClass));
return highlightInfo;
}
final PsiLambdaExpression lambdaExpression =
PsiTreeUtil.getParentOfType(context, PsiLambdaExpression.class);
if (lambdaExpression != null && !PsiTreeUtil.isAncestor(lambdaExpression, variable, true)) {
final PsiElement parent = variable.getParent();
if (parent instanceof PsiParameterList && parent.getParent() == lambdaExpression) {
return null;
}
if (!isEffectivelyFinal(variable, lambdaExpression, context)) {
return HighlightInfo.newHighlightInfo(HighlightInfoType.ERROR)
.range(context)
.descriptionAndTooltip("Variable used in lambda expression should be effectively final")
.create();
}
}
return null;
}
@Nullable
private static String getLookupObjectName(Object o) {
if (o instanceof PsiVariable) {
final PsiVariable variable = (PsiVariable) o;
JavaCodeStyleManager codeStyleManager =
JavaCodeStyleManager.getInstance(variable.getProject());
VariableKind variableKind = codeStyleManager.getVariableKind(variable);
return codeStyleManager.variableNameToPropertyName(variable.getName(), variableKind);
}
if (o instanceof PsiMethod) {
return ((PsiMethod) o).getName();
}
return null;
}
@Override
public void applyFix(@NotNull Project project, @NotNull ProblemDescriptor descriptor) {
PsiElement element = descriptor.getStartElement();
if (!(element instanceof PsiLoopStatement)) return;
PsiLoopStatement loop = (PsiLoopStatement) element;
IteratorDeclaration declaration;
declaration = IteratorDeclaration.fromLoop(loop);
if (declaration == null) return;
PsiStatement body = loop.getBody();
if (!(body instanceof PsiBlockStatement)) return;
PsiStatement[] statements = ((PsiBlockStatement) body).getCodeBlock().getStatements();
PsiElementFactory factory = JavaPsiFacade.getElementFactory(project);
String replacement = null;
CommentTracker ct = new CommentTracker();
if (statements.length == 2 && statements[1] instanceof PsiIfStatement) {
PsiVariable variable = declaration.getNextElementVariable(statements[0]);
if (variable == null) return;
PsiExpression condition = ((PsiIfStatement) statements[1]).getCondition();
if (condition == null) return;
replacement = generateRemoveIf(declaration, ct, condition, variable.getName());
} else if (statements.length == 1 && statements[0] instanceof PsiIfStatement) {
PsiExpression condition = ((PsiIfStatement) statements[0]).getCondition();
if (condition == null) return;
PsiElement ref = declaration.findOnlyIteratorRef(condition);
if (ref != null) {
PsiElement call = ref.getParent().getParent();
if (!declaration.isIteratorMethodCall(call, "next")) return;
PsiType type = ((PsiExpression) call).getType();
JavaCodeStyleManager javaCodeStyleManager = JavaCodeStyleManager.getInstance(project);
SuggestedNameInfo info =
javaCodeStyleManager.suggestVariableName(VariableKind.PARAMETER, null, null, type);
if (info.names.length == 0) {
info =
javaCodeStyleManager.suggestVariableName(
VariableKind.PARAMETER, "value", null, type);
}
String paramName =
javaCodeStyleManager.suggestUniqueVariableName(info, condition, true).names[0];
ct.replace(call, factory.createIdentifier(paramName));
replacement = generateRemoveIf(declaration, ct, condition, paramName);
}
}
if (replacement == null) return;
ct.delete(declaration.getIterator());
PsiElement result = ct.replaceAndRestoreComments(loop, replacement);
LambdaCanBeMethodReferenceInspection.replaceAllLambdasWithMethodReferences(result);
CodeStyleManager.getInstance(project).reformat(result);
}
public DfaVariableValue createVariableValue(PsiVariable myVariable, boolean isNegated) {
PsiType varType = myVariable.getType();
if (varType instanceof PsiEllipsisType) {
varType = new PsiArrayType(((PsiEllipsisType) varType).getComponentType());
}
return createVariableValue(myVariable, varType, isNegated, null);
}
@Override
public void addBuilderField(
@NotNull List<PsiField> fields,
@NotNull PsiVariable psiVariable,
@NotNull PsiClass innerClass,
@NotNull AccessorsInfo accessorsInfo) {
final String fieldName = psiVariable.getName();
final PsiType fieldType = getBuilderFieldType(psiVariable.getType(), psiVariable.getProject());
final LombokLightFieldBuilder fieldBuilder =
new LombokLightFieldBuilder(psiVariable.getManager(), fieldName, fieldType)
.withModifier(PsiModifier.PRIVATE)
.withNavigationElement(psiVariable)
.withContainingClass(innerClass);
fields.add(fieldBuilder);
}
@Override
@NotNull
public String getText() {
return QuickFixBundle.message(
myVariable instanceof PsiField ? "remove.unused.field" : "remove.unused.variable",
myVariable.getName());
}
private static boolean canWriteToFinal(
@NotNull PsiVariable variable,
@NotNull PsiExpression expression,
@NotNull PsiReferenceExpression reference,
@NotNull PsiFile containingFile) {
if (variable.hasInitializer()) return false;
if (variable instanceof PsiParameter) return false;
PsiElement innerClass = getInnerClassVariableReferencedFrom(variable, expression);
if (variable instanceof PsiField) {
// if inside some field initializer
if (HighlightUtil.findEnclosingFieldInitializer(expression) != null) return true;
// assignment from within inner class is illegal always
PsiField field = (PsiField) variable;
if (innerClass != null
&& !containingFile
.getManager()
.areElementsEquivalent(innerClass, field.getContainingClass())) return false;
final PsiMember enclosingCtrOrInitializer =
PsiUtil.findEnclosingConstructorOrInitializer(expression);
return enclosingCtrOrInitializer != null
&& isSameField(enclosingCtrOrInitializer, field, reference, containingFile);
}
if (variable instanceof PsiLocalVariable) {
boolean isAccessedFromOtherClass = innerClass != null;
if (isAccessedFromOtherClass) {
return false;
}
}
return true;
}
@Override
public void applyFix(@NotNull Project project, @NotNull ProblemDescriptor descriptor) {
final PsiElement element = descriptor.getPsiElement();
final PsiModifierListOwner psiElement =
PsiTreeUtil.getParentOfType(element, PsiModifierListOwner.class);
if (psiElement != null) {
RefJavaElement refElement =
(RefJavaElement) (myManager != null ? myManager.getReference(psiElement) : null);
try {
if (psiElement instanceof PsiVariable) {
((PsiVariable) psiElement).normalizeDeclaration();
}
final PsiModifierList modifierList = psiElement.getModifierList();
LOG.assertTrue(modifierList != null);
modifierList.setModifierProperty(PsiModifier.FINAL, true);
modifierList.setModifierProperty(PsiModifier.VOLATILE, false);
} catch (IncorrectOperationException e) {
LOG.error(e);
}
if (refElement != null) {
RefJavaUtil.getInstance().setIsFinal(refElement, 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);
}
protected final void registerVariableError(@NotNull PsiVariable variable, Object... infos) {
final PsiElement nameIdentifier = variable.getNameIdentifier();
if (nameIdentifier == null) {
registerError(variable, infos);
} else {
registerError(nameIdentifier, infos);
}
}
public void invoke(@NotNull Project project, Editor editor, PsiFile file)
throws IncorrectOperationException {
final CaretModel caretModel = editor.getCaretModel();
final int position = caretModel.getOffset();
final PsiElement element = file.findElementAt(position);
Pair<PsiVariable, PsiType> pair = findVariable(element);
if (pair == null) return;
PsiVariable variable = pair.getFirst();
PsiType type = pair.getSecond();
variable
.getTypeElement()
.replace(
JavaPsiFacade.getInstance(variable.getProject())
.getElementFactory()
.createTypeElement(type));
}
private void copyToFinal() throws IncorrectOperationException {
PsiManager psiManager = myClass.getManager();
PsiElementFactory factory =
JavaPsiFacade.getInstance(psiManager.getProject()).getElementFactory();
PsiExpression initializer = factory.createExpressionFromText(myVariable.getName(), myClass);
String newName = suggestNewName(psiManager.getProject(), myVariable);
PsiType type = myVariable.getType();
PsiDeclarationStatement copyDecl =
factory.createVariableDeclarationStatement(newName, type, initializer);
PsiVariable newVariable = (PsiVariable) copyDecl.getDeclaredElements()[0];
PsiUtil.setModifierProperty(newVariable, PsiModifier.FINAL, true);
PsiElement statement = getStatementToInsertBefore();
if (statement == null) return;
statement.getParent().addBefore(copyDecl, statement);
PsiExpression newExpression = factory.createExpressionFromText(newName, myVariable);
replaceReferences(myClass, myVariable, newExpression);
}
private Pair<PsiVariable, PsiType> findVariable(final PsiElement element) {
PsiVariable variable = null;
if (element instanceof PsiIdentifier) {
if (element.getParent() instanceof PsiVariable) {
variable = (PsiVariable) element.getParent();
}
} else if (element instanceof PsiJavaToken) {
final PsiJavaToken token = (PsiJavaToken) element;
if (token.getTokenType() != JavaTokenType.EQ) return null;
if (token.getParent() instanceof PsiVariable) {
variable = (PsiVariable) token.getParent();
}
}
if (variable == null) {
return null;
}
variableName = variable.getName();
final PsiExpression initializer = variable.getInitializer();
if (initializer == null) return null;
final PsiType variableType = variable.getType();
final PsiType initializerType = initializer.getType();
if (!(variableType instanceof PsiClassType)) return null;
final PsiClassType variableClassType = (PsiClassType) variableType;
if (!variableClassType.isRaw()) return null;
if (!(initializerType instanceof PsiClassType)) return null;
final PsiClassType initializerClassType = (PsiClassType) initializerType;
if (initializerClassType.isRaw()) return null;
final PsiClassType.ClassResolveResult variableResolveResult =
variableClassType.resolveGenerics();
final PsiClassType.ClassResolveResult initializerResolveResult =
initializerClassType.resolveGenerics();
if (initializerResolveResult.getElement() == null) return null;
final PsiSubstitutor targetSubstitutor =
TypeConversionUtil.getClassSubstitutor(
variableResolveResult.getElement(),
initializerResolveResult.getElement(),
initializerResolveResult.getSubstitutor());
if (targetSubstitutor == null) return null;
PsiType type =
JavaPsiFacade.getInstance(variable.getProject())
.getElementFactory()
.createType(variableResolveResult.getElement(), targetSubstitutor);
newTypeName = type.getCanonicalText();
return Pair.create(variable, type);
}
@Override
public void visitVariable(@NotNull PsiVariable variable) {
super.visitVariable(variable);
final String variableName = variable.getName();
if (!PsiKeyword.ASSERT.equals(variableName)) {
return;
}
registerVariableError(variable);
}
public MoveInstanceMethodProcessor(
final Project project,
final PsiMethod method,
final PsiVariable targetVariable,
final String newVisibility,
final Map<PsiClass, String> oldClassParameterNames) {
super(project);
myMethod = method;
myTargetVariable = targetVariable;
myOldClassParameterNames = oldClassParameterNames;
LOG.assertTrue(
myTargetVariable instanceof PsiParameter || myTargetVariable instanceof PsiField);
LOG.assertTrue(myTargetVariable.getType() instanceof PsiClassType);
final PsiType type = myTargetVariable.getType();
LOG.assertTrue(type instanceof PsiClassType);
myTargetClass = ((PsiClassType) type).resolve();
myNewVisibility = newVisibility;
}
private boolean isArrayElementDeclaration(
PsiStatement statement, PsiVariable arrayVariable, String indexName) {
if (!(statement instanceof PsiDeclarationStatement)) {
return false;
}
final PsiDeclarationStatement declarationStatement = (PsiDeclarationStatement) statement;
final PsiElement[] declaredElements = declarationStatement.getDeclaredElements();
if (declaredElements.length != 1) {
return false;
}
final PsiElement declaredElement = declaredElements[0];
if (!(declaredElement instanceof PsiVariable)) {
return false;
}
final PsiVariable variable = (PsiVariable) declaredElement;
final PsiExpression initializer = variable.getInitializer();
return isArrayLookup(initializer, indexName, arrayVariable);
}
private boolean isIteratorNextDeclaration(
PsiStatement statement, String iteratorName, PsiType contentType) {
if (!(statement instanceof PsiDeclarationStatement)) {
return false;
}
final PsiDeclarationStatement declarationStatement = (PsiDeclarationStatement) statement;
final PsiElement[] declaredElements = declarationStatement.getDeclaredElements();
if (declaredElements.length != 1) {
return false;
}
final PsiElement declaredElement = declaredElements[0];
if (!(declaredElement instanceof PsiVariable)) {
return false;
}
final PsiVariable variable = (PsiVariable) declaredElement;
final PsiExpression initializer = variable.getInitializer();
return isIteratorNext(initializer, iteratorName, contentType);
}
public static boolean variableNameResolvesToTarget(
@NotNull String variableName, @NotNull PsiVariable target, @NotNull PsiElement context) {
final Project project = context.getProject();
final JavaPsiFacade psiFacade = JavaPsiFacade.getInstance(project);
final PsiResolveHelper resolveHelper = psiFacade.getResolveHelper();
final PsiVariable variable =
resolveHelper.resolveAccessibleReferencedVariable(variableName, context);
return target.equals(variable);
}
