/**
* Collects the existing tags on the {@link IJavaElement} we have been activated on
*
* @param element
* @param jcontext
* @throws JavaModelException
* @throws BadLocationException
*/
private void collectExistingTags(
IJavaElement element, JavaContentAssistInvocationContext jcontext) throws JavaModelException {
if (element instanceof IMember) {
IMember member = (IMember) element;
ICompilationUnit cunit = jcontext.getCompilationUnit();
if (cunit != null) {
if (cunit.isWorkingCopy()) {
cunit.reconcile(ICompilationUnit.NO_AST, false, false, null, null);
}
fParser.setSource(member.getSource().toCharArray());
fParser.setKind(ASTParser.K_CLASS_BODY_DECLARATIONS);
Map<String, String> options = element.getJavaProject().getOptions(true);
options.put(JavaCore.COMPILER_DOC_COMMENT_SUPPORT, JavaCore.ENABLED);
fParser.setCompilerOptions(options);
fParser.setStatementsRecovery(false);
fParser.setResolveBindings(false);
fParser.setBindingsRecovery(false);
ASTNode ast = fParser.createAST(null);
TagCollector collector = new TagCollector();
if (ast.getNodeType() == ASTNode.TYPE_DECLARATION) {
TypeDeclaration typeDeclaration = (TypeDeclaration) ast;
List<BodyDeclaration> bodyDeclarations = typeDeclaration.bodyDeclarations();
if (bodyDeclarations.size() == 1) {
// only one element should be there as we are parsing a
// specific member
BodyDeclaration bodyDeclaration = bodyDeclarations.iterator().next();
Javadoc javadoc = bodyDeclaration.getJavadoc();
if (javadoc != null) {
javadoc.accept(collector);
}
}
}
}
}
}
/**
* Updates a javadoc tag, by either adding a new one or removing an existing one
*
* @param body
*/
private void updateTag(BodyDeclaration body) {
Javadoc docnode = body.getJavadoc();
AST ast = body.getAST();
if (docnode == null) {
docnode = ast.newJavadoc();
rewrite.set(body, body.getJavadocProperty(), docnode, null);
}
ListRewrite lrewrite = rewrite.getListRewrite(docnode, Javadoc.TAGS_PROPERTY);
if (remove) {
List<TagElement> tags =
(List<TagElement>) docnode.getStructuralProperty(Javadoc.TAGS_PROPERTY);
if (tags != null) {
TagElement tag = null;
for (int i = 0; i < tags.size(); i++) {
tag = tags.get(i);
if (tagname.equals(tag.getTagName())) {
lrewrite.remove(tag, null);
}
}
}
} else {
TagElement newtag = ast.newTagElement();
newtag.setTagName(tagname);
lrewrite.insertLast(newtag, null);
}
}
@SuppressWarnings("rawtypes")
private void getASTConstructor(
final AbstractTypeDeclaration typeDecl, final List<ConstructorDeclaration> results) {
final List bodyDecls = typeDecl.bodyDeclarations();
IFile file = null;
for (int i = 0, len = bodyDecls.size(); i < len; i++) {
final BodyDeclaration bodyDecl = (BodyDeclaration) bodyDecls.get(i);
if (bodyDecl.getNodeType() == ASTNode.METHOD_DECLARATION) {
final org.eclipse.jdt.core.dom.MethodDeclaration methodDecl =
(org.eclipse.jdt.core.dom.MethodDeclaration) bodyDecl;
if (methodDecl.isConstructor()) {
final IMethodBinding methodBinding = methodDecl.resolveBinding();
// built an ast based representation.
if (methodBinding == null) {
if (file == null) file = getResource();
ConstructorDeclaration mirrorDecl =
(ConstructorDeclaration) Factory.createDeclaration(methodDecl, file, _env);
if (mirrorDecl != null) results.add(mirrorDecl);
}
}
}
}
}
@SuppressWarnings("deprecation")
protected IValueList parseExtendedModifiers(BodyDeclaration node) {
if (node.getAST().apiLevel() == AST.JLS2) {
return parseModifiers(node.getModifiers());
} else {
return parseExtendedModifiers(node.modifiers());
}
}
/*
* @see ASTVisitor#visit(AnonymousClassDeclaration)
*/
public boolean visit(AnonymousClassDeclaration node) {
this.fBuffer.append("{"); // $NON-NLS-1$
for (Iterator it = node.bodyDeclarations().iterator(); it.hasNext(); ) {
BodyDeclaration b = (BodyDeclaration) it.next();
b.accept(this);
}
this.fBuffer.append("}"); // $NON-NLS-1$
return false;
}
private ASTRewrite doAddParam(CompilationUnit cu) {
AST ast = cu.getAST();
SimpleName node = fOriginalNode;
BodyDeclaration decl = ASTResolving.findParentBodyDeclaration(node);
if (decl instanceof MethodDeclaration) {
MethodDeclaration methodDeclaration = (MethodDeclaration) decl;
ASTRewrite rewrite = ASTRewrite.create(ast);
ImportRewrite imports = createImportRewrite((CompilationUnit) decl.getRoot());
ImportRewriteContext importRewriteContext =
new ContextSensitiveImportRewriteContext(decl, imports);
SingleVariableDeclaration newDecl = ast.newSingleVariableDeclaration();
newDecl.setType(
evaluateVariableType(
ast, imports, importRewriteContext, methodDeclaration.resolveBinding()));
newDecl.setName(ast.newSimpleName(node.getIdentifier()));
ListRewrite listRewriter =
rewrite.getListRewrite(decl, MethodDeclaration.PARAMETERS_PROPERTY);
listRewriter.insertLast(newDecl, null);
addLinkedPosition(rewrite.track(node), true, KEY_NAME);
// add javadoc tag
Javadoc javadoc = methodDeclaration.getJavadoc();
if (javadoc != null) {
HashSet<String> leadingNames = new HashSet<String>();
for (Iterator<SingleVariableDeclaration> iter = methodDeclaration.parameters().iterator();
iter.hasNext(); ) {
SingleVariableDeclaration curr = iter.next();
leadingNames.add(curr.getName().getIdentifier());
}
SimpleName newTagRef = ast.newSimpleName(node.getIdentifier());
TagElement newTagElement = ast.newTagElement();
newTagElement.setTagName(TagElement.TAG_PARAM);
newTagElement.fragments().add(newTagRef);
TextElement commentStart = ast.newTextElement();
newTagElement.fragments().add(commentStart);
addLinkedPosition(rewrite.track(newTagRef), false, KEY_NAME);
addLinkedPosition(rewrite.track(commentStart), false, "comment_start"); // $NON-NLS-1$
ListRewrite tagsRewriter = rewrite.getListRewrite(javadoc, Javadoc.TAGS_PROPERTY);
JavadocTagsSubProcessor.insertTag(tagsRewriter, newTagElement, leadingNames);
}
addLinkedPosition(rewrite.track(newDecl.getType()), false, KEY_TYPE);
addLinkedPosition(rewrite.track(newDecl.getName()), false, KEY_NAME);
return rewrite;
}
return null;
}
public static void getMissingJavadocTagProposals(
IInvocationContext context, IProblemLocation problem, Collection<ICommandAccess> proposals) {
ASTNode node = problem.getCoveringNode(context.getASTRoot());
if (node == null) {
return;
}
node = ASTNodes.getNormalizedNode(node);
BodyDeclaration bodyDeclaration = ASTResolving.findParentBodyDeclaration(node);
if (bodyDeclaration == null) {
return;
}
Javadoc javadoc = bodyDeclaration.getJavadoc();
if (javadoc == null) {
return;
}
String label;
StructuralPropertyDescriptor location = node.getLocationInParent();
if (location == SingleVariableDeclaration.NAME_PROPERTY) {
label = CorrectionMessages.JavadocTagsSubProcessor_addjavadoc_paramtag_description;
if (node.getParent().getLocationInParent() != MethodDeclaration.PARAMETERS_PROPERTY) {
return; // paranoia checks
}
} else if (location == TypeParameter.NAME_PROPERTY) {
label = CorrectionMessages.JavadocTagsSubProcessor_addjavadoc_paramtag_description;
StructuralPropertyDescriptor parentLocation = node.getParent().getLocationInParent();
if (parentLocation != MethodDeclaration.TYPE_PARAMETERS_PROPERTY
&& parentLocation != TypeDeclaration.TYPE_PARAMETERS_PROPERTY) {
return; // paranoia checks
}
} else if (location == MethodDeclaration.RETURN_TYPE2_PROPERTY) {
label = CorrectionMessages.JavadocTagsSubProcessor_addjavadoc_returntag_description;
} else if (location == MethodDeclaration.THROWN_EXCEPTION_TYPES_PROPERTY) {
label = CorrectionMessages.JavadocTagsSubProcessor_addjavadoc_throwstag_description;
} else {
return;
}
ASTRewriteCorrectionProposal proposal =
new AddMissingJavadocTagProposal(
label,
context.getCompilationUnit(),
bodyDeclaration,
node,
IProposalRelevance.ADD_MISSING_TAG);
proposals.add(proposal);
String label2 = CorrectionMessages.JavadocTagsSubProcessor_addjavadoc_allmissing_description;
ASTRewriteCorrectionProposal addAllMissing =
new AddAllMissingJavadocTagsProposal(
label2,
context.getCompilationUnit(),
bodyDeclaration,
IProposalRelevance.ADD_ALL_MISSING_TAGS);
proposals.add(addAllMissing);
}
/*
* @see ASTVisitor#visit(AnonymousClassDeclaration)
*/
@Override
public boolean visit(AnonymousClassDeclaration node) {
this.fBuffer.append("{"); // $NON-NLS-1$
List<BodyDeclaration> bodyDeclarations = node.bodyDeclarations();
for (Iterator<BodyDeclaration> it = bodyDeclarations.iterator(); it.hasNext(); ) {
BodyDeclaration b = it.next();
b.accept(this);
}
this.fBuffer.append("}"); // $NON-NLS-1$
return false;
}
private int findFieldInsertIndex(
List<BodyDeclaration> decls, FieldDeclaration newDecl, int maxOffset) {
if (maxOffset != -1) {
for (int i = decls.size() - 1; i >= 0; i--) {
BodyDeclaration curr = decls.get(i);
if (maxOffset > curr.getStartPosition() + curr.getLength()) {
return ASTNodes.getInsertionIndex(newDecl, decls.subList(0, i + 1));
}
}
return 0;
}
return ASTNodes.getInsertionIndex(newDecl, decls);
}
/*
* @see ASTVisitor#visit(AnnotationTypeDeclaration)
* @since 3.0
*/
public boolean visit(AnnotationTypeDeclaration node) {
if (node.getJavadoc() != null) {
node.getJavadoc().accept(this);
}
printModifiers(node.modifiers());
this.fBuffer.append("@interface "); // $NON-NLS-1$
node.getName().accept(this);
this.fBuffer.append(" {"); // $NON-NLS-1$
for (Iterator it = node.bodyDeclarations().iterator(); it.hasNext(); ) {
BodyDeclaration d = (BodyDeclaration) it.next();
d.accept(this);
}
this.fBuffer.append("}"); // $NON-NLS-1$
return false;
}
private ITypeBinding[] computeTypeVariables(ITypeBinding[] bindings) {
Selection selection = getSelection();
Set<ITypeBinding> result = new HashSet<>();
// first remove all type variables that come from outside of the method
// or are covered by the selection
CompilationUnit compilationUnit = (CompilationUnit) fEnclosingBodyDeclaration.getRoot();
for (int i = 0; i < bindings.length; i++) {
ASTNode decl = compilationUnit.findDeclaringNode(bindings[i]);
if (decl == null
|| (!selection.covers(decl) && decl.getParent() instanceof MethodDeclaration))
result.add(bindings[i]);
}
// all all type variables which are needed since a local variable uses it
for (int i = 0; i < fArguments.length; i++) {
IVariableBinding arg = fArguments[i];
ITypeBinding type = arg.getType();
if (type != null && type.isTypeVariable()) {
ASTNode decl = compilationUnit.findDeclaringNode(type);
if (decl == null
|| (!selection.covers(decl) && decl.getParent() instanceof MethodDeclaration))
result.add(type);
}
}
return result.toArray(new ITypeBinding[result.size()]);
}
@Override
protected ASTRewrite getRewrite() throws CoreException {
AST ast = fBodyDecl.getAST();
ASTRewrite rewrite = ASTRewrite.create(ast);
insertMissingJavadocTag(rewrite, fMissingNode, fBodyDecl);
return rewrite;
}
// Método para configurar os modificadores
@SuppressWarnings("unchecked")
private void setModifiers(ApiElement apiElement, BodyDeclaration node) {
for (Object o : node.modifiers()) {
if (o instanceof Modifier) {
Modifier modifier = (Modifier) o;
if (modifier.isAbstract()) {
apiElement.setAbstract(true);
} else if (modifier.isFinal()) {
apiElement.setFinal(true);
} else if (modifier.isPrivate()) {
apiElement.setPrivate(true);
} else if (modifier.isProtected()) {
apiElement.setProtected(true);
} else if (modifier.isPublic()) {
apiElement.setPublic(true);
} else if (modifier.isStatic()) {
apiElement.setFinal(true);
}
}
}
apiElement.setDefault(
!(apiElement.isPrivate() || apiElement.isPublic() || apiElement.isProtected()));
Javadoc javadoc = node.getJavadoc();
if (javadoc != null) {
apiElement.setHasJavadoc(true);
apiElement.setHidden(false);
Stack<Object> tags = new Stack<Object>();
tags.addAll(javadoc.tags());
while (!tags.isEmpty()) {
Object tag = tags.pop();
if (tag instanceof TagElement) {
String tagName = ((TagElement) tag).getTagName();
if (tagName != null && tagName.equalsIgnoreCase("@hide")) {
apiElement.setHidden(true);
break;
}
tags.addAll(((TagElement) tag).fragments());
}
}
} else {
apiElement.setHasJavadoc(false);
apiElement.setHidden(true);
}
}
@Override
protected ASTRewrite getRewrite() throws CoreException {
ASTRewrite rewrite = ASTRewrite.create(fBodyDecl.getAST());
if (fBodyDecl instanceof MethodDeclaration) {
insertAllMissingMethodTags(rewrite, (MethodDeclaration) fBodyDecl);
} else {
insertAllMissingTypeTags(rewrite, (TypeDeclaration) fBodyDecl);
}
return rewrite;
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((body == null) ? 0 : body.hashCode());
result = prime * result + ((document == null) ? 0 : document.hashCode());
result = prime * result + ((enclosingType == null) ? 0 : enclosingType.hashCode());
result = prime * result + ((unit == null) ? 0 : unit.hashCode());
return result;
}
private IVariableBinding[] removeSelectedDeclarations(IVariableBinding[] bindings) {
List<IVariableBinding> result = new ArrayList<>(bindings.length);
Selection selection = getSelection();
for (int i = 0; i < bindings.length; i++) {
ASTNode decl =
((CompilationUnit) fEnclosingBodyDeclaration.getRoot()).findDeclaringNode(bindings[i]);
if (!selection.covers(decl)) result.add(bindings[i]);
}
return result.toArray(new IVariableBinding[result.size()]);
}
/*
* @see ASTVisitor#visit(EnumDeclaration)
* @since 3.0
*/
@Override
public boolean visit(EnumDeclaration node) {
if (node.getJavadoc() != null) {
node.getJavadoc().accept(this);
}
printModifiers(node.modifiers());
this.fBuffer.append("enum "); // $NON-NLS-1$
node.getName().accept(this);
this.fBuffer.append(" "); // $NON-NLS-1$
if (!node.superInterfaceTypes().isEmpty()) {
this.fBuffer.append("implements "); // $NON-NLS-1$
for (Iterator<Type> it = node.superInterfaceTypes().iterator(); it.hasNext(); ) {
Type t = it.next();
t.accept(this);
if (it.hasNext()) {
this.fBuffer.append(", "); // $NON-NLS-1$
}
}
this.fBuffer.append(" "); // $NON-NLS-1$
}
this.fBuffer.append("{"); // $NON-NLS-1$
for (Iterator<EnumConstantDeclaration> it = node.enumConstants().iterator(); it.hasNext(); ) {
EnumConstantDeclaration d = it.next();
d.accept(this);
// enum constant declarations do not include punctuation
if (it.hasNext()) {
// enum constant declarations are separated by commas
this.fBuffer.append(", "); // $NON-NLS-1$
}
}
if (!node.bodyDeclarations().isEmpty()) {
this.fBuffer.append("; "); // $NON-NLS-1$
for (Iterator<BodyDeclaration> it = node.bodyDeclarations().iterator(); it.hasNext(); ) {
BodyDeclaration d = it.next();
d.accept(this);
// other body declarations include trailing punctuation
}
}
this.fBuffer.append("}"); // $NON-NLS-1$
return false;
}
@SuppressWarnings("unchecked")
public void removeUnallowedAssignments() {
CompilationUnit cu = catroidSource.getSourceAst();
final List<AbstractTypeDeclaration> types = cu.types();
assert types.size() > 0;
for (AbstractTypeDeclaration abstractTypeDecl : types) {
for (BodyDeclaration bodyDecl :
new ArrayList<BodyDeclaration>(abstractTypeDecl.bodyDeclarations())) {
if (bodyDecl.getNodeType() != ASTNode.METHOD_DECLARATION) {
continue;
}
MethodDeclaration methodDeclaration = (MethodDeclaration) bodyDecl;
Block body = methodDeclaration.getBody();
if ((body == null) || (body.statements().size() == 0)) {
continue;
}
methodDeclaration.accept(this);
}
}
}
public static Expression obtainSingleMemberAnnotationValue(
BodyDeclaration declaration, Class<?> annotationClass) {
for (Object mod : declaration.modifiers()) {
IExtendedModifier modifier = (IExtendedModifier) mod;
if (modifier.isAnnotation()) {
Annotation annotation = (Annotation) modifier;
if (annotation.isSingleMemberAnnotation()
&& identicalAnnotations(annotation, annotationClass)) {
SingleMemberAnnotation singleMemberAnnot = (SingleMemberAnnotation) annotation;
return singleMemberAnnot.getValue();
}
}
}
return null;
}
// similar to
// org.eclipse.jdt.internal.ui.text.correction.ModifierCorrectionSubProcessor.removeOverrideAnnotationProposal(..)
public void removeDeprecatedAnnotation(
IDocument document, ICompilationUnit cu, BodyDeclaration decl) {
Annotation annot = findAnnotation(decl.modifiers());
if (annot != null) {
ASTRewrite rewrite = ASTRewrite.create(annot.getAST());
rewrite.remove(annot, null);
callASTRewriteCorrectionProposal(getDisplayString(), cu, rewrite, 6, getImage(), document);
ITextViewer viewer = getViewer(JavaPlugin.getActivePage().getActiveEditor());
ITrackedNodePosition trackPos = rewrite.track(decl);
if (trackPos != null && viewer != null) {
viewer.setSelectedRange(trackPos.getStartPosition(), 0);
}
}
}
/** {@inheritDoc} */
public void rewriteAST(CompilationUnitRewrite cuRewrite, LinkedProposalModel model)
throws CoreException {
AST ast = cuRewrite.getRoot().getAST();
ListRewrite listRewrite =
cuRewrite
.getASTRewrite()
.getListRewrite(fBodyDeclaration, fBodyDeclaration.getModifiersProperty());
Annotation newAnnotation = ast.newMarkerAnnotation();
newAnnotation.setTypeName(ast.newSimpleName(fAnnotation));
TextEditGroup group =
createTextEditGroup(
Messages.format(
FixMessages.Java50Fix_AddMissingAnnotation_description,
BasicElementLabels.getJavaElementName(fAnnotation)),
cuRewrite);
listRewrite.insertFirst(newAnnotation, group);
}
public RefactoringStatus checkInitialConditions(ImportRewrite rewriter) {
RefactoringStatus result = getStatus();
checkExpression(result);
if (result.hasFatalError()) return result;
List<ASTNode> validDestinations = new ArrayList<>();
ASTNode destination = ASTResolving.findParentType(fEnclosingBodyDeclaration.getParent());
while (destination != null) {
if (isValidDestination(destination)) {
validDestinations.add(destination);
}
destination = ASTResolving.findParentType(destination.getParent());
}
if (validDestinations.size() == 0) {
result.addFatalError(RefactoringCoreMessages.ExtractMethodAnalyzer_no_valid_destination_type);
return result;
}
fReturnKind = UNDEFINED;
fMaxVariableId = LocalVariableIndex.perform(fEnclosingBodyDeclaration);
if (analyzeSelection(result).hasFatalError()) return result;
int returns = fReturnKind == NO ? 0 : 1;
if (fReturnValue != null) {
fReturnKind = ACCESS_TO_LOCAL;
returns++;
}
if (isExpressionSelected()) {
fReturnKind = EXPRESSION;
returns++;
}
if (returns > 1) {
result.addFatalError(
RefactoringCoreMessages.ExtractMethodAnalyzer_ambiguous_return_value,
JavaStatusContext.create(fCUnit, getSelection()));
fReturnKind = MULTIPLE;
return result;
}
initReturnType(rewriter);
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj) return true;
if (obj == null) return false;
if (getClass() != obj.getClass()) return false;
AbstractJavaSource<?> other = (AbstractJavaSource<?>) obj;
if (body == null) {
if (other.body != null) return false;
} else if (!body.equals(other.body)) return false;
if (document == null) {
if (other.document != null) return false;
} else if (!document.equals(other.document)) return false;
if (enclosingType == null) {
if (other.enclosingType != null) return false;
} else if (!enclosingType.equals(other.enclosingType)) return false;
if (unit == null) {
if (other.unit != null) return false;
} else if (!unit.equals(other.unit)) return false;
return true;
}
private boolean isVoidMethod() {
ITypeBinding binding = null;
LambdaExpression enclosingLambdaExpr =
ASTResolving.findEnclosingLambdaExpression(getFirstSelectedNode());
if (enclosingLambdaExpr != null) {
IMethodBinding methodBinding = enclosingLambdaExpr.resolveMethodBinding();
if (methodBinding != null) {
binding = methodBinding.getReturnType();
}
} else {
// if we have an initializer
if (fEnclosingMethodBinding == null) return true;
binding = fEnclosingMethodBinding.getReturnType();
}
if (fEnclosingBodyDeclaration
.getAST()
.resolveWellKnownType("void")
.equals(binding)) // $NON-NLS-1$
return true;
return false;
}
private void initReturnType(ImportRewrite rewriter) {
AST ast = fEnclosingBodyDeclaration.getAST();
fReturnType = null;
fReturnTypeBinding = null;
switch (fReturnKind) {
case ACCESS_TO_LOCAL:
VariableDeclaration declaration =
ASTNodes.findVariableDeclaration(fReturnValue, fEnclosingBodyDeclaration);
fReturnType =
ASTNodeFactory.newType(
ast,
declaration,
rewriter,
new ContextSensitiveImportRewriteContext(declaration, rewriter));
if (declaration.resolveBinding() != null) {
fReturnTypeBinding = declaration.resolveBinding().getType();
}
break;
case EXPRESSION:
Expression expression = (Expression) getFirstSelectedNode();
if (expression.getNodeType() == ASTNode.CLASS_INSTANCE_CREATION) {
fExpressionBinding = ((ClassInstanceCreation) expression).getType().resolveBinding();
} else {
fExpressionBinding = expression.resolveTypeBinding();
}
if (fExpressionBinding != null) {
if (fExpressionBinding.isNullType()) {
getStatus()
.addFatalError(
RefactoringCoreMessages.ExtractMethodAnalyzer_cannot_extract_null_type,
JavaStatusContext.create(fCUnit, expression));
} else {
ITypeBinding normalizedBinding =
Bindings.normalizeForDeclarationUse(fExpressionBinding, ast);
if (normalizedBinding != null) {
ImportRewriteContext context =
new ContextSensitiveImportRewriteContext(fEnclosingBodyDeclaration, rewriter);
fReturnType = rewriter.addImport(normalizedBinding, ast, context);
fReturnTypeBinding = normalizedBinding;
}
}
} else {
fReturnType = ast.newPrimitiveType(PrimitiveType.VOID);
fReturnTypeBinding = ast.resolveWellKnownType("void"); // $NON-NLS-1$
getStatus()
.addError(
RefactoringCoreMessages.ExtractMethodAnalyzer_cannot_determine_return_type,
JavaStatusContext.create(fCUnit, expression));
}
break;
case RETURN_STATEMENT_VALUE:
LambdaExpression enclosingLambdaExpr =
ASTResolving.findEnclosingLambdaExpression(getFirstSelectedNode());
if (enclosingLambdaExpr != null) {
fReturnType = ASTNodeFactory.newReturnType(enclosingLambdaExpr, ast, rewriter, null);
IMethodBinding methodBinding = enclosingLambdaExpr.resolveMethodBinding();
fReturnTypeBinding = methodBinding != null ? methodBinding.getReturnType() : null;
} else if (fEnclosingBodyDeclaration.getNodeType() == ASTNode.METHOD_DECLARATION) {
fReturnType = ((MethodDeclaration) fEnclosingBodyDeclaration).getReturnType2();
fReturnTypeBinding = fReturnType != null ? fReturnType.resolveBinding() : null;
}
break;
default:
fReturnType = ast.newPrimitiveType(PrimitiveType.VOID);
fReturnTypeBinding = ast.resolveWellKnownType("void"); // $NON-NLS-1$
}
if (fReturnType == null) {
fReturnType = ast.newPrimitiveType(PrimitiveType.VOID);
fReturnTypeBinding = ast.resolveWellKnownType("void"); // $NON-NLS-1$
}
}
private ASTRewrite doAddLocal(CompilationUnit cu) {
AST ast = cu.getAST();
Block body;
BodyDeclaration decl = ASTResolving.findParentBodyDeclaration(fOriginalNode);
IBinding targetContext = null;
if (decl instanceof MethodDeclaration) {
body = (((MethodDeclaration) decl).getBody());
targetContext = ((MethodDeclaration) decl).resolveBinding();
} else if (decl instanceof Initializer) {
body = (((Initializer) decl).getBody());
targetContext = Bindings.getBindingOfParentType(decl);
} else {
return null;
}
ASTRewrite rewrite = ASTRewrite.create(ast);
ImportRewrite imports = createImportRewrite((CompilationUnit) decl.getRoot());
ImportRewriteContext importRewriteContext =
new ContextSensitiveImportRewriteContext(decl, imports);
SimpleName[] names = getAllReferences(body);
ASTNode dominant = getDominantNode(names);
Statement dominantStatement = ASTResolving.findParentStatement(dominant);
if (ASTNodes.isControlStatementBody(dominantStatement.getLocationInParent())) {
dominantStatement = (Statement) dominantStatement.getParent();
}
SimpleName node = names[0];
if (isAssigned(dominantStatement, node)) {
// x = 1; -> int x = 1;
Assignment assignment = (Assignment) node.getParent();
// trick to avoid comment removal around the statement: keep the expression statement
// and replace the assignment with an VariableDeclarationExpression
VariableDeclarationFragment newDeclFrag = ast.newVariableDeclarationFragment();
VariableDeclarationExpression newDecl = ast.newVariableDeclarationExpression(newDeclFrag);
newDecl.setType(evaluateVariableType(ast, imports, importRewriteContext, targetContext));
Expression placeholder = (Expression) rewrite.createCopyTarget(assignment.getRightHandSide());
newDeclFrag.setInitializer(placeholder);
newDeclFrag.setName(ast.newSimpleName(node.getIdentifier()));
rewrite.replace(assignment, newDecl, null);
addLinkedPosition(rewrite.track(newDecl.getType()), false, KEY_TYPE);
addLinkedPosition(rewrite.track(newDeclFrag.getName()), true, KEY_NAME);
setEndPosition(rewrite.track(assignment.getParent()));
return rewrite;
} else if ((dominant != dominantStatement) && isForStatementInit(dominantStatement, node)) {
// for (x = 1;;) ->for (int x = 1;;)
Assignment assignment = (Assignment) node.getParent();
VariableDeclarationFragment frag = ast.newVariableDeclarationFragment();
VariableDeclarationExpression expression = ast.newVariableDeclarationExpression(frag);
frag.setName(ast.newSimpleName(node.getIdentifier()));
Expression placeholder = (Expression) rewrite.createCopyTarget(assignment.getRightHandSide());
frag.setInitializer(placeholder);
expression.setType(evaluateVariableType(ast, imports, importRewriteContext, targetContext));
rewrite.replace(assignment, expression, null);
addLinkedPosition(rewrite.track(expression.getType()), false, KEY_TYPE);
addLinkedPosition(rewrite.track(frag.getName()), true, KEY_NAME);
setEndPosition(rewrite.track(expression));
return rewrite;
} else if ((dominant != dominantStatement)
&& isEnhancedForStatementVariable(dominantStatement, node)) {
// for (x: collectionOfT) -> for (T x: collectionOfT)
EnhancedForStatement enhancedForStatement = (EnhancedForStatement) dominantStatement;
SingleVariableDeclaration parameter = enhancedForStatement.getParameter();
Expression expression = enhancedForStatement.getExpression();
SimpleName newName = (SimpleName) rewrite.createMoveTarget(node);
rewrite.set(parameter, SingleVariableDeclaration.NAME_PROPERTY, newName, null);
ITypeBinding elementBinding = null;
ITypeBinding typeBinding = expression.resolveTypeBinding();
if (typeBinding != null) {
if (typeBinding.isArray()) {
elementBinding = typeBinding.getElementType();
} else {
ITypeBinding iterable =
Bindings.findTypeInHierarchy(typeBinding, "java.lang.Iterable"); // $NON-NLS-1$
if (iterable != null) {
ITypeBinding[] typeArguments = iterable.getTypeArguments();
if (typeArguments.length == 1) {
elementBinding = typeArguments[0];
elementBinding = Bindings.normalizeForDeclarationUse(elementBinding, ast);
}
}
}
}
Type type;
if (elementBinding != null) {
type = imports.addImport(elementBinding, ast, importRewriteContext);
} else {
type = ast.newSimpleType(ast.newSimpleName("Object")); // $NON-NLS-1$
}
rewrite.set(parameter, SingleVariableDeclaration.TYPE_PROPERTY, type, null);
addLinkedPosition(rewrite.track(type), false, KEY_TYPE);
addLinkedPosition(rewrite.track(newName), true, KEY_NAME);
setEndPosition(rewrite.track(expression));
return rewrite;
}
// foo(x) -> int x; foo(x)
VariableDeclarationFragment newDeclFrag = ast.newVariableDeclarationFragment();
VariableDeclarationStatement newDecl = ast.newVariableDeclarationStatement(newDeclFrag);
newDeclFrag.setName(ast.newSimpleName(node.getIdentifier()));
newDecl.setType(evaluateVariableType(ast, imports, importRewriteContext, targetContext));
// newDeclFrag.setInitializer(ASTNodeFactory.newDefaultExpression(ast, newDecl.getType(), 0));
addLinkedPosition(rewrite.track(newDecl.getType()), false, KEY_TYPE);
addLinkedPosition(rewrite.track(node), true, KEY_NAME);
addLinkedPosition(rewrite.track(newDeclFrag.getName()), false, KEY_NAME);
Statement statement = dominantStatement;
List<? extends ASTNode> list = ASTNodes.getContainingList(statement);
while (list == null
&& statement.getParent() instanceof Statement) { // parent must be if, for or while
statement = (Statement) statement.getParent();
list = ASTNodes.getContainingList(statement);
}
if (list != null) {
ASTNode parent = statement.getParent();
StructuralPropertyDescriptor childProperty = statement.getLocationInParent();
if (childProperty.isChildListProperty()) {
rewrite
.getListRewrite(parent, (ChildListPropertyDescriptor) childProperty)
.insertBefore(newDecl, statement, null);
return rewrite;
} else {
return null;
}
}
return rewrite;
}
private void insertMissingJavadocTag(
ASTRewrite rewrite, ASTNode missingNode, BodyDeclaration bodyDecl) {
AST ast = bodyDecl.getAST();
Javadoc javadoc = bodyDecl.getJavadoc();
if (javadoc == null) {
javadoc = ast.newJavadoc();
rewrite.set(bodyDecl, bodyDecl.getJavadocProperty(), javadoc, null);
}
ListRewrite tagsRewriter = rewrite.getListRewrite(javadoc, Javadoc.TAGS_PROPERTY);
StructuralPropertyDescriptor location = missingNode.getLocationInParent();
TagElement newTag;
if (location == SingleVariableDeclaration.NAME_PROPERTY) {
// normal parameter
SingleVariableDeclaration decl = (SingleVariableDeclaration) missingNode.getParent();
String name = ((SimpleName) missingNode).getIdentifier();
newTag = ast.newTagElement();
newTag.setTagName(TagElement.TAG_PARAM);
newTag.fragments().add(ast.newSimpleName(name));
MethodDeclaration methodDeclaration = (MethodDeclaration) bodyDecl;
List<SingleVariableDeclaration> params = methodDeclaration.parameters();
Set<String> sameKindLeadingNames = getPreviousParamNames(params, decl);
List<TypeParameter> typeParams = methodDeclaration.typeParameters();
for (int i = 0; i < typeParams.size(); i++) {
String curr = '<' + typeParams.get(i).getName().getIdentifier() + '>';
sameKindLeadingNames.add(curr);
}
insertTag(tagsRewriter, newTag, sameKindLeadingNames);
} else if (location == TypeParameter.NAME_PROPERTY) {
// type parameter
TypeParameter typeParam = (TypeParameter) missingNode.getParent();
String name = '<' + ((SimpleName) missingNode).getIdentifier() + '>';
newTag = ast.newTagElement();
newTag.setTagName(TagElement.TAG_PARAM);
TextElement text = ast.newTextElement();
text.setText(name);
newTag.fragments().add(text);
List<TypeParameter> params;
if (bodyDecl instanceof TypeDeclaration) {
params = ((TypeDeclaration) bodyDecl).typeParameters();
} else {
params = ((MethodDeclaration) bodyDecl).typeParameters();
}
insertTag(tagsRewriter, newTag, getPreviousTypeParamNames(params, typeParam));
} else if (location == MethodDeclaration.RETURN_TYPE2_PROPERTY) {
newTag = ast.newTagElement();
newTag.setTagName(TagElement.TAG_RETURN);
insertTag(tagsRewriter, newTag, null);
} else if (location == MethodDeclaration.THROWN_EXCEPTION_TYPES_PROPERTY) {
newTag = ast.newTagElement();
newTag.setTagName(TagElement.TAG_THROWS);
TextElement excNode = ast.newTextElement();
excNode.setText(ASTNodes.getQualifiedTypeName((Type) missingNode));
newTag.fragments().add(excNode);
List<Type> exceptions = ((MethodDeclaration) bodyDecl).thrownExceptionTypes();
insertTag(tagsRewriter, newTag, getPreviousExceptionNames(exceptions, missingNode));
} else {
Assert.isTrue(
false, "AddMissingJavadocTagProposal: unexpected node location"); // $NON-NLS-1$
return;
}
TextElement textElement = ast.newTextElement();
textElement.setText(""); // $NON-NLS-1$
newTag.fragments().add(textElement);
addLinkedPosition(rewrite.track(textElement), false, "comment_start"); // $NON-NLS-1$
if (bodyDecl.getJavadoc() == null) {
// otherwise the linked position spans over a line delimiter
newTag.fragments().add(ast.newTextElement());
}
}
public static void getMissingJavadocCommentProposals(
IInvocationContext context, IProblemLocation problem, Collection<ICommandAccess> proposals)
throws CoreException {
ASTNode node = problem.getCoveringNode(context.getASTRoot());
if (node == null) {
return;
}
BodyDeclaration declaration = ASTResolving.findParentBodyDeclaration(node);
if (declaration == null) {
return;
}
ICompilationUnit cu = context.getCompilationUnit();
ITypeBinding binding = Bindings.getBindingOfParentType(declaration);
if (binding == null) {
return;
}
if (declaration instanceof MethodDeclaration) {
MethodDeclaration methodDecl = (MethodDeclaration) declaration;
IMethodBinding methodBinding = methodDecl.resolveBinding();
IMethodBinding overridden = null;
if (methodBinding != null) {
overridden = Bindings.findOverriddenMethod(methodBinding, true);
}
String string =
CodeGeneration.getMethodComment(
cu, binding.getName(), methodDecl, overridden, String.valueOf('\n'));
if (string != null) {
String label = CorrectionMessages.JavadocTagsSubProcessor_addjavadoc_method_description;
proposals.add(
new AddJavadocCommentProposal(
label,
cu,
IProposalRelevance.ADD_JAVADOC_METHOD,
declaration.getStartPosition(),
string));
}
} else if (declaration instanceof AbstractTypeDeclaration) {
String typeQualifiedName = Bindings.getTypeQualifiedName(binding);
String[] typeParamNames;
if (declaration instanceof TypeDeclaration) {
List<TypeParameter> typeParams = ((TypeDeclaration) declaration).typeParameters();
typeParamNames = new String[typeParams.size()];
for (int i = 0; i < typeParamNames.length; i++) {
typeParamNames[i] = (typeParams.get(i)).getName().getIdentifier();
}
} else {
typeParamNames = new String[0];
}
String string =
CodeGeneration.getTypeComment(
cu, typeQualifiedName, typeParamNames, String.valueOf('\n'));
if (string != null) {
String label = CorrectionMessages.JavadocTagsSubProcessor_addjavadoc_type_description;
proposals.add(
new AddJavadocCommentProposal(
label,
cu,
IProposalRelevance.ADD_JAVADOC_TYPE,
declaration.getStartPosition(),
string));
}
} else if (declaration instanceof FieldDeclaration) {
String comment = "/**\n *\n */\n"; // $NON-NLS-1$
List<VariableDeclarationFragment> fragments = ((FieldDeclaration) declaration).fragments();
if (fragments != null && fragments.size() > 0) {
VariableDeclaration decl = fragments.get(0);
String fieldName = decl.getName().getIdentifier();
String typeName = binding.getName();
comment = CodeGeneration.getFieldComment(cu, typeName, fieldName, String.valueOf('\n'));
}
if (comment != null) {
String label = CorrectionMessages.JavadocTagsSubProcessor_addjavadoc_field_description;
proposals.add(
new AddJavadocCommentProposal(
label,
cu,
IProposalRelevance.ADD_JAVADOC_FIELD,
declaration.getStartPosition(),
comment));
}
} else if (declaration instanceof EnumConstantDeclaration) {
EnumConstantDeclaration enumDecl = (EnumConstantDeclaration) declaration;
String id = enumDecl.getName().getIdentifier();
String comment =
CodeGeneration.getFieldComment(cu, binding.getName(), id, String.valueOf('\n'));
String label = CorrectionMessages.JavadocTagsSubProcessor_addjavadoc_enumconst_description;
proposals.add(
new AddJavadocCommentProposal(
label,
cu,
IProposalRelevance.ADD_JAVADOC_ENUM,
declaration.getStartPosition(),
comment));
}
}
@Override
public void endVisit(CompilationUnit node) {
RefactoringStatus status = getStatus();
superCall:
{
if (status.hasFatalError()) break superCall;
if (!hasSelectedNodes()) {
ASTNode coveringNode = getLastCoveringNode();
if (coveringNode instanceof Block
&& coveringNode.getParent() instanceof MethodDeclaration) {
MethodDeclaration methodDecl = (MethodDeclaration) coveringNode.getParent();
Message[] messages = ASTNodes.getMessages(methodDecl, ASTNodes.NODE_ONLY);
if (messages.length > 0) {
status.addFatalError(
Messages.format(
RefactoringCoreMessages.ExtractMethodAnalyzer_compile_errors,
BasicElementLabels.getJavaElementName(methodDecl.getName().getIdentifier())),
JavaStatusContext.create(fCUnit, methodDecl));
break superCall;
}
}
status.addFatalError(RefactoringCoreMessages.ExtractMethodAnalyzer_invalid_selection);
break superCall;
}
fEnclosingBodyDeclaration =
(BodyDeclaration) ASTNodes.getParent(getFirstSelectedNode(), BodyDeclaration.class);
if (fEnclosingBodyDeclaration == null
|| (fEnclosingBodyDeclaration.getNodeType() != ASTNode.METHOD_DECLARATION
&& fEnclosingBodyDeclaration.getNodeType() != ASTNode.FIELD_DECLARATION
&& fEnclosingBodyDeclaration.getNodeType() != ASTNode.INITIALIZER)) {
status.addFatalError(RefactoringCoreMessages.ExtractMethodAnalyzer_invalid_selection);
break superCall;
} else if (ASTNodes.getEnclosingType(fEnclosingBodyDeclaration) == null) {
status.addFatalError(
RefactoringCoreMessages.ExtractMethodAnalyzer_compile_errors_no_parent_binding);
break superCall;
} else if (fEnclosingBodyDeclaration.getNodeType() == ASTNode.METHOD_DECLARATION) {
fEnclosingMethodBinding = ((MethodDeclaration) fEnclosingBodyDeclaration).resolveBinding();
}
if (!isSingleExpressionOrStatementSet()) {
status.addFatalError(
RefactoringCoreMessages.ExtractMethodAnalyzer_single_expression_or_set);
break superCall;
}
if (isExpressionSelected()) {
ASTNode expression = getFirstSelectedNode();
if (expression instanceof Name) {
Name name = (Name) expression;
if (name.resolveBinding() instanceof ITypeBinding) {
status.addFatalError(
RefactoringCoreMessages.ExtractMethodAnalyzer_cannot_extract_type_reference);
break superCall;
}
if (name.resolveBinding() instanceof IMethodBinding) {
status.addFatalError(
RefactoringCoreMessages.ExtractMethodAnalyzer_cannot_extract_method_name_reference);
break superCall;
}
if (name.resolveBinding() instanceof IVariableBinding) {
StructuralPropertyDescriptor locationInParent = name.getLocationInParent();
if (locationInParent == QualifiedName.NAME_PROPERTY
|| (locationInParent == FieldAccess.NAME_PROPERTY
&& !(((FieldAccess) name.getParent()).getExpression()
instanceof ThisExpression))) {
status.addFatalError(
RefactoringCoreMessages
.ExtractMethodAnalyzer_cannot_extract_part_of_qualified_name);
break superCall;
}
}
if (name.isSimpleName() && ((SimpleName) name).isDeclaration()) {
status.addFatalError(
RefactoringCoreMessages.ExtractMethodAnalyzer_cannot_extract_name_in_declaration);
break superCall;
}
}
fForceStatic =
ASTNodes.getParent(expression, ASTNode.SUPER_CONSTRUCTOR_INVOCATION) != null
|| ASTNodes.getParent(expression, ASTNode.CONSTRUCTOR_INVOCATION) != null;
}
status.merge(LocalTypeAnalyzer.perform(fEnclosingBodyDeclaration, getSelection()));
computeLastStatementSelected();
}
super.endVisit(node);
}
/*
* @see ASTVisitor#visit(TypeDeclaration)
*/
public boolean visit(TypeDeclaration node) {
if (node.getJavadoc() != null) {
node.getJavadoc().accept(this);
}
if (node.getAST().apiLevel() >= AST.JLS3) {
printModifiers(node.modifiers());
}
this.fBuffer.append(node.isInterface() ? "interface " : "class "); // $NON-NLS-2$//$NON-NLS-1$
node.getName().accept(this);
if (node.getAST().apiLevel() >= AST.JLS3) {
if (!node.typeParameters().isEmpty()) {
this.fBuffer.append("<"); // $NON-NLS-1$
for (Iterator it = node.typeParameters().iterator(); it.hasNext(); ) {
TypeParameter t = (TypeParameter) it.next();
t.accept(this);
if (it.hasNext()) {
this.fBuffer.append(","); // $NON-NLS-1$
}
}
this.fBuffer.append(">"); // $NON-NLS-1$
}
}
this.fBuffer.append(" "); // $NON-NLS-1$
if (node.getAST().apiLevel() >= AST.JLS3) {
if (node.getSuperclassType() != null) {
this.fBuffer.append("extends "); // $NON-NLS-1$
node.getSuperclassType().accept(this);
this.fBuffer.append(" "); // $NON-NLS-1$
}
if (!node.superInterfaceTypes().isEmpty()) {
this.fBuffer.append(
node.isInterface() ? "extends " : "implements "); // $NON-NLS-2$//$NON-NLS-1$
for (Iterator it = node.superInterfaceTypes().iterator(); it.hasNext(); ) {
Type t = (Type) it.next();
t.accept(this);
if (it.hasNext()) {
this.fBuffer.append(", "); // $NON-NLS-1$
}
}
this.fBuffer.append(" "); // $NON-NLS-1$
}
}
this.fBuffer.append("{"); // $NON-NLS-1$
BodyDeclaration prev = null;
for (Iterator it = node.bodyDeclarations().iterator(); it.hasNext(); ) {
BodyDeclaration d = (BodyDeclaration) it.next();
if (prev instanceof EnumConstantDeclaration) {
// enum constant declarations do not include punctuation
if (d instanceof EnumConstantDeclaration) {
// enum constant declarations are separated by commas
this.fBuffer.append(", "); // $NON-NLS-1$
} else {
// semicolon separates last enum constant declaration from
// first class body declarations
this.fBuffer.append("; "); // $NON-NLS-1$
}
}
d.accept(this);
prev = d;
}
this.fBuffer.append("}"); // $NON-NLS-1$
return false;
}
