/*
* Set the focus type (i.e. the type that this resolver is computing the hierarch for.
* Returns the binding of this focus type or null if it could not be found.
*/
public ReferenceBinding setFocusType(char[][] compoundName) {
if (compoundName == null || this.lookupEnvironment == null) return null;
this.focusType = this.lookupEnvironment.getCachedType(compoundName);
if (this.focusType == null) {
this.focusType = this.lookupEnvironment.askForType(compoundName);
if (this.focusType == null) {
int length = compoundName.length;
char[] typeName = compoundName[length - 1];
int firstDollar = CharOperation.indexOf('$', typeName);
if (firstDollar != -1) {
compoundName[length - 1] = CharOperation.subarray(typeName, 0, firstDollar);
this.focusType = this.lookupEnvironment.askForType(compoundName);
if (this.focusType != null) {
char[][] memberTypeNames =
CharOperation.splitOn('$', typeName, firstDollar + 1, typeName.length);
for (int i = 0; i < memberTypeNames.length; i++) {
this.focusType = this.focusType.getMemberType(memberTypeNames[i]);
if (this.focusType == null) return null;
}
}
}
}
}
return this.focusType;
}
private Binding findImport(char[][] compoundName, int length) {
recordQualifiedReference(compoundName);
Binding binding = this.environment.getTopLevelPackage(compoundName[0]);
int i = 1;
foundNothingOrType:
if (binding != null) {
PackageBinding packageBinding = (PackageBinding) binding;
while (i < length) {
binding = packageBinding.getTypeOrPackage(compoundName[i++]);
if (binding == null || !binding.isValidBinding()) {
binding = null;
break foundNothingOrType;
}
if (!(binding instanceof PackageBinding)) break foundNothingOrType;
packageBinding = (PackageBinding) binding;
}
return packageBinding;
}
ReferenceBinding type;
if (binding == null) {
if (compilerOptions().complianceLevel >= ClassFileConstants.JDK1_4)
return new ProblemReferenceBinding(
CharOperation.subarray(compoundName, 0, i), null, ProblemReasons.NotFound);
type =
findType(
compoundName[0], this.environment.defaultPackage, this.environment.defaultPackage);
if (type == null || !type.isValidBinding())
return new ProblemReferenceBinding(
CharOperation.subarray(compoundName, 0, i), null, ProblemReasons.NotFound);
i = 1; // reset to look for member types inside the default package type
} else {
type = (ReferenceBinding) binding;
}
while (i < length) {
type =
(ReferenceBinding)
this.environment.convertToRawType(
type, false /*do not force conversion of enclosing types*/); // type imports are
// necessarily raw for all
// except last
if (!type.canBeSeenBy(this.fPackage))
return new ProblemReferenceBinding(
CharOperation.subarray(compoundName, 0, i), type, ProblemReasons.NotVisible);
char[] name = compoundName[i++];
// does not look for inherited member types on purpose, only immediate members
type = type.getMemberType(name);
if (type == null)
return new ProblemReferenceBinding(
CharOperation.subarray(compoundName, 0, i), null, ProblemReasons.NotFound);
}
if (!type.canBeSeenBy(this.fPackage))
return new ProblemReferenceBinding(compoundName, type, ProblemReasons.NotVisible);
return type;
}
public void checkAndSetImports() { // AspectJ Extension - raised to public
if (this.referenceContext.imports == null) {
this.imports = getDefaultImports();
return;
}
// allocate the import array, add java.lang.* by default
int numberOfStatements = this.referenceContext.imports.length;
int numberOfImports = numberOfStatements + 1;
for (int i = 0; i < numberOfStatements; i++) {
ImportReference importReference = this.referenceContext.imports[i];
if (((importReference.bits & ASTNode.OnDemand) != 0)
&& CharOperation.equals(TypeConstants.JAVA_LANG, importReference.tokens)
&& !importReference.isStatic()) {
numberOfImports--;
break;
}
}
ImportBinding[] resolvedImports = new ImportBinding[numberOfImports];
resolvedImports[0] = getDefaultImports()[0];
int index = 1;
nextImport:
for (int i = 0; i < numberOfStatements; i++) {
ImportReference importReference = this.referenceContext.imports[i];
char[][] compoundName = importReference.tokens;
// skip duplicates or imports of the current package
for (int j = 0; j < index; j++) {
ImportBinding resolved = resolvedImports[j];
if (resolved.onDemand == ((importReference.bits & ASTNode.OnDemand) != 0)
&& resolved.isStatic() == importReference.isStatic())
if (CharOperation.equals(compoundName, resolvedImports[j].compoundName))
continue nextImport;
}
if ((importReference.bits & ASTNode.OnDemand) != 0) {
if (CharOperation.equals(compoundName, this.currentPackageName)) continue nextImport;
Binding importBinding = findImport(compoundName, compoundName.length);
if (!importBinding.isValidBinding()
|| (importReference.isStatic() && importBinding instanceof PackageBinding))
continue nextImport; // we report all problems in faultInImports()
resolvedImports[index++] =
new ImportBinding(compoundName, true, importBinding, importReference);
} else {
// resolve single imports only when the last name matches
resolvedImports[index++] = new ImportBinding(compoundName, false, null, importReference);
}
}
// shrink resolvedImports... only happens if an error was reported
if (resolvedImports.length > index)
System.arraycopy(resolvedImports, 0, resolvedImports = new ImportBinding[index], 0, index);
this.imports = resolvedImports;
}
/*
* Creates the super class handle of the given type.
* Returns null if the type has no super class.
* Adds the simple name to the hierarchy missing types if the class is not found and returns null.
*/
private IType findSuperClass(IGenericType type, ReferenceBinding typeBinding) {
ReferenceBinding superBinding = typeBinding.superclass();
if (superBinding != null) {
superBinding = (ReferenceBinding) superBinding.erasure();
if (typeBinding.isHierarchyInconsistent()) {
if (superBinding.problemId() == ProblemReasons.NotFound) {
this.hasMissingSuperClass = true;
this.builder.hierarchy.missingTypes.add(
new String(superBinding.sourceName)); // note: this could be Map$Entry
return null;
} else if ((superBinding.id == TypeIds.T_JavaLangObject)) {
char[] superclassName;
char separator;
if (type instanceof IBinaryType) {
superclassName = ((IBinaryType) type).getSuperclassName();
separator = '/';
} else if (type instanceof ISourceType) {
superclassName = ((ISourceType) type).getSuperclassName();
separator = '.';
} else if (type instanceof HierarchyType) {
superclassName = ((HierarchyType) type).superclassName;
separator = '.';
} else {
return null;
}
if (superclassName
!= null) { // check whether subclass of Object due to broken hierarchy (as opposed to
// explicitly extending it)
int lastSeparator = CharOperation.lastIndexOf(separator, superclassName);
char[] simpleName =
lastSeparator == -1
? superclassName
: CharOperation.subarray(
superclassName, lastSeparator + 1, superclassName.length);
if (!CharOperation.equals(simpleName, TypeConstants.OBJECT)) {
this.hasMissingSuperClass = true;
this.builder.hierarchy.missingTypes.add(new String(simpleName));
return null;
}
}
}
}
for (int t = this.typeIndex; t >= 0; t--) {
if (TypeBinding.equalsEquals(this.typeBindings[t], superBinding)) {
return this.builder.getHandle(this.typeModels[t], superBinding);
}
}
}
return null;
}
private IAnnotation getAnnotation(
final org.aspectj.org.eclipse.jdt.internal.compiler.ast.Annotation annotation,
JavaElement parentElement) {
final int typeStart = annotation.type.sourceStart();
final int typeEnd = annotation.type.sourceEnd();
final int sourceStart = annotation.sourceStart();
final int sourceEnd = annotation.declarationSourceEnd;
class LocalVarAnnotation extends Annotation {
IMemberValuePair[] memberValuePairs;
public LocalVarAnnotation(JavaElement localVar, String elementName) {
super(localVar, elementName);
}
public IMemberValuePair[] getMemberValuePairs() throws JavaModelException {
return this.memberValuePairs;
}
public ISourceRange getNameRange() throws JavaModelException {
return new SourceRange(typeStart, typeEnd - typeStart + 1);
}
public ISourceRange getSourceRange() throws JavaModelException {
return new SourceRange(sourceStart, sourceEnd - sourceStart + 1);
}
public boolean exists() {
return this.parent.exists();
}
}
String annotationName =
new String(CharOperation.concatWith(annotation.type.getTypeName(), '.'));
LocalVarAnnotation localVarAnnotation = new LocalVarAnnotation(parentElement, annotationName);
org.aspectj.org.eclipse.jdt.internal.compiler.ast.MemberValuePair[] astMemberValuePairs =
annotation.memberValuePairs();
int length;
IMemberValuePair[] memberValuePairs;
if (astMemberValuePairs == null || (length = astMemberValuePairs.length) == 0) {
memberValuePairs = Annotation.NO_MEMBER_VALUE_PAIRS;
} else {
memberValuePairs = new IMemberValuePair[length];
for (int i = 0; i < length; i++) {
org.aspectj.org.eclipse.jdt.internal.compiler.ast.MemberValuePair astMemberValuePair =
astMemberValuePairs[i];
MemberValuePair memberValuePair = new MemberValuePair(new String(astMemberValuePair.name));
memberValuePair.value =
getAnnotationMemberValue(memberValuePair, astMemberValuePair.value, localVarAnnotation);
memberValuePairs[i] = memberValuePair;
}
}
localVarAnnotation.memberValuePairs = memberValuePairs;
return localVarAnnotation;
}
/**
* Validate the given Java type name, either simple or qualified, for the given source and
* compliance levels.
*
* <p>For example, <code>"java.lang.Object"</code>, or <code>"Object"</code>.
*
* <p>The source level and compliance level values should be taken from the constant defined
* inside {@link JavaCore} class. The constants are named <code>JavaCore#VERSION_1_x</code>, x
* being set between '1' and '8'.
*
* @param name the name of a type
* @param sourceLevel the source level
* @param complianceLevel the compliance level
* @return a status object with code <code>IStatus.OK</code> if the given name is valid as a Java
* type name, a status with code <code>IStatus.WARNING</code> indicating why the given name is
* discouraged, otherwise a status object indicating what is wrong with the name
* @since 3.3
* @see JavaCore#VERSION_1_1
* @see JavaCore#VERSION_1_2
* @see JavaCore#VERSION_1_3
* @see JavaCore#VERSION_1_4
* @see JavaCore#VERSION_1_5
* @see JavaCore#VERSION_1_6
* @see JavaCore#VERSION_1_7
* @see JavaCore#VERSION_1_8
*/
public static IStatus validateJavaTypeName(
String name, String sourceLevel, String complianceLevel) {
if (name == null) {
return new Status(
IStatus.ERROR, JavaCore.PLUGIN_ID, -1, Messages.convention_type_nullName, null);
}
String trimmed = name.trim();
if (!name.equals(trimmed)) {
return new Status(
IStatus.ERROR, JavaCore.PLUGIN_ID, -1, Messages.convention_type_nameWithBlanks, null);
}
int index = name.lastIndexOf('.');
char[] scannedID;
if (index == -1) {
// simple name
scannedID = scannedIdentifier(name, sourceLevel, complianceLevel);
} else {
// qualified name
String pkg = name.substring(0, index).trim();
IStatus status = validatePackageName(pkg, sourceLevel, complianceLevel);
if (!status.isOK()) {
return status;
}
String type = name.substring(index + 1).trim();
scannedID = scannedIdentifier(type, sourceLevel, complianceLevel);
}
if (scannedID != null) {
IStatus status =
ResourcesPlugin.getWorkspace().validateName(new String(scannedID), IResource.FILE);
if (!status.isOK()) {
return status;
}
if (CharOperation.contains('$', scannedID)) {
return new Status(
IStatus.WARNING, JavaCore.PLUGIN_ID, -1, Messages.convention_type_dollarName, null);
}
if ((scannedID.length > 0 && ScannerHelper.isLowerCase(scannedID[0]))) {
return new Status(
IStatus.WARNING, JavaCore.PLUGIN_ID, -1, Messages.convention_type_lowercaseName, null);
}
return JavaModelStatus.VERIFIED_OK;
} else {
return new Status(
IStatus.ERROR,
JavaCore.PLUGIN_ID,
-1,
Messages.bind(Messages.convention_type_invalidName, name),
null);
}
}
public int scanIdentifierOrKeyword() {
int kind = super.scanIdentifierOrKeyword();
if (kind != TerminalTokens.TokenNameIdentifier) return kind;
char[] contents = getCurrentIdentifierSource();
// XXX performance here is less than optimal, but code simplicity is pretty damn good
if (CharOperation.equals(aspectV, contents)) return TerminalTokens.TokenNameaspect;
else if (CharOperation.equals(pointcutV, contents)) return TerminalTokens.TokenNamepointcut;
else if (CharOperation.equals(privilegedV, contents)) return TerminalTokens.TokenNameprivileged;
else if (CharOperation.equals(beforeV, contents)) return TerminalTokens.TokenNamebefore;
else if (CharOperation.equals(afterV, contents)) return TerminalTokens.TokenNameafter;
else if (CharOperation.equals(aroundV, contents)) return TerminalTokens.TokenNamearound;
else if (CharOperation.equals(declareV, contents)) return TerminalTokens.TokenNamedeclare;
return kind;
}
public void storeDependencyInfo() {
// add the type hierarchy of each referenced supertype
// cannot do early since the hierarchy may not be fully resolved
for (int i = 0; i < this.referencedSuperTypes.size; i++) { // grows as more types are added
ReferenceBinding type = (ReferenceBinding) this.referencedSuperTypes.elementAt(i);
if (!this.referencedTypes.containsIdentical(type)) this.referencedTypes.add(type);
if (!type.isLocalType()) {
ReferenceBinding enclosing = type.enclosingType();
if (enclosing != null) recordSuperTypeReference(enclosing);
}
ReferenceBinding superclass = type.superclass();
if (superclass != null) recordSuperTypeReference(superclass);
ReferenceBinding[] interfaces = type.superInterfaces();
if (interfaces != null)
for (int j = 0, length = interfaces.length; j < length; j++)
recordSuperTypeReference(interfaces[j]);
}
for (int i = 0, l = this.referencedTypes.size; i < l; i++) {
ReferenceBinding type = (ReferenceBinding) this.referencedTypes.elementAt(i);
if (!type.isLocalType())
recordQualifiedReference(
type.isMemberType()
? CharOperation.splitOn('.', type.readableName())
: type.compoundName);
}
int size = this.qualifiedReferences.size;
char[][][] qualifiedRefs = new char[size][][];
for (int i = 0; i < size; i++) qualifiedRefs[i] = this.qualifiedReferences.elementAt(i);
this.referenceContext.compilationResult.qualifiedReferences = qualifiedRefs;
size = this.simpleNameReferences.size;
char[][] simpleRefs = new char[size][];
for (int i = 0; i < size; i++) simpleRefs[i] = this.simpleNameReferences.elementAt(i);
this.referenceContext.compilationResult.simpleNameReferences = simpleRefs;
size = this.rootReferences.size;
char[][] rootRefs = new char[size][];
for (int i = 0; i < size; i++) rootRefs[i] = this.rootReferences.elementAt(i);
this.referenceContext.compilationResult.rootReferences = rootRefs;
}
/**
* Resolve the supertypes for the types contained in the given openables (ICompilationUnits and/or
* IClassFiles). Inform the requestor of the resolved supertypes for each supplied source type
* using: connect(ISourceType suppliedType, IGenericType superclass, IGenericType[]
* superinterfaces)
*
* <p>Also inform the requestor of the supertypes of each additional requested super type which is
* also a source type instead of a binary type.
*
* @param openables
* @param localTypes
* @param monitor
*/
public void resolve(Openable[] openables, HashSet localTypes, IProgressMonitor monitor) {
try {
int openablesLength = openables.length;
CompilationUnitDeclaration[] parsedUnits = new CompilationUnitDeclaration[openablesLength];
boolean[] hasLocalType = new boolean[openablesLength];
org.aspectj.org.eclipse.jdt.core.ICompilationUnit[] cus =
new org.aspectj.org.eclipse.jdt.core.ICompilationUnit[openablesLength];
int unitsIndex = 0;
CompilationUnitDeclaration focusUnit = null;
ReferenceBinding focusBinaryBinding = null;
IType focus = this.builder.getType();
Openable focusOpenable = null;
if (focus != null) {
if (focus.isBinary()) {
focusOpenable = (Openable) focus.getClassFile();
} else {
focusOpenable = (Openable) focus.getCompilationUnit();
}
}
// build type bindings
Parser parser = new Parser(this.lookupEnvironment.problemReporter, true);
final boolean isJava8 = this.options.sourceLevel >= ClassFileConstants.JDK1_8;
for (int i = 0; i < openablesLength; i++) {
Openable openable = openables[i];
if (openable instanceof org.aspectj.org.eclipse.jdt.core.ICompilationUnit) {
org.aspectj.org.eclipse.jdt.core.ICompilationUnit cu =
(org.aspectj.org.eclipse.jdt.core.ICompilationUnit) openable;
// contains a potential subtype as a local or anonymous type?
boolean containsLocalType = false;
if (localTypes == null) { // case of hierarchy on region
containsLocalType = true;
} else {
IPath path = cu.getPath();
containsLocalType =
cu.isWorkingCopy()
? true /* presume conservatively */
: localTypes.contains(path.toString());
}
// build parsed unit
CompilationUnitDeclaration parsedUnit = null;
if (cu.isOpen()) {
// create parsed unit from source element infos
CompilationResult result =
new CompilationResult(
(ICompilationUnit) cu, i, openablesLength, this.options.maxProblemsPerUnit);
SourceTypeElementInfo[] typeInfos = null;
try {
IType[] topLevelTypes = cu.getTypes();
int topLevelLength = topLevelTypes.length;
if (topLevelLength == 0)
continue; // empty cu: no need to parse (see
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=65677)
typeInfos = new SourceTypeElementInfo[topLevelLength];
for (int j = 0; j < topLevelLength; j++) {
IType topLevelType = topLevelTypes[j];
typeInfos[j] =
(SourceTypeElementInfo) ((JavaElement) topLevelType).getElementInfo();
}
} catch (JavaModelException e) {
// types/cu exist since cu is opened
}
int flags =
!containsLocalType
? SourceTypeConverter.MEMBER_TYPE | (isJava8 ? SourceTypeConverter.METHOD : 0)
: SourceTypeConverter.FIELD_AND_METHOD
| SourceTypeConverter.MEMBER_TYPE
| SourceTypeConverter.LOCAL_TYPE;
parsedUnit =
SourceTypeConverter.buildCompilationUnit(
typeInfos, flags, this.lookupEnvironment.problemReporter, result);
// We would have got all the necessary local types by now and hence there is no further
// need
// to parse the method bodies. Parser.getMethodBodies, which is called latter in this
// function,
// will not parse the method statements if ASTNode.HasAllMethodBodies is set.
if (containsLocalType) parsedUnit.bits |= ASTNode.HasAllMethodBodies;
} else {
// create parsed unit from file
IFile file = (IFile) cu.getResource();
ICompilationUnit sourceUnit =
this.builder.createCompilationUnitFromPath(openable, file);
CompilationResult unitResult =
new CompilationResult(
sourceUnit, i, openablesLength, this.options.maxProblemsPerUnit);
parsedUnit = parser.dietParse(sourceUnit, unitResult);
}
if (parsedUnit != null) {
hasLocalType[unitsIndex] = containsLocalType;
cus[unitsIndex] = cu;
parsedUnits[unitsIndex++] = parsedUnit;
try {
this.lookupEnvironment.buildTypeBindings(parsedUnit, null /*no access restriction*/);
if (openable.equals(focusOpenable)) {
focusUnit = parsedUnit;
}
} catch (AbortCompilation e) {
// classpath problem for this type: ignore
}
}
} else {
// cache binary type binding
ClassFile classFile = (ClassFile) openable;
IBinaryType binaryType =
(IBinaryType) JavaModelManager.getJavaModelManager().getInfo(classFile.getType());
if (binaryType == null) {
// create binary type from file
if (classFile.getPackageFragmentRoot().isArchive()) {
binaryType = this.builder.createInfoFromClassFileInJar(classFile);
} else {
IResource file = classFile.resource();
binaryType = this.builder.createInfoFromClassFile(classFile, file);
}
}
if (binaryType != null) {
try {
BinaryTypeBinding binaryTypeBinding =
this.lookupEnvironment.cacheBinaryType(
binaryType,
false /*don't need field and method (bug 125067)*/,
null /*no access restriction*/);
remember(binaryType, binaryTypeBinding);
if (openable.equals(focusOpenable)) {
focusBinaryBinding = binaryTypeBinding;
}
} catch (AbortCompilation e) {
// classpath problem for this type: ignore
}
}
}
}
// remember type declaration of focus if local/anonymous early (see
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=210498)
TypeDeclaration focusLocalType = null;
if (focus != null
&& focusBinaryBinding == null
&& focusUnit != null
&& ((Member) focus).getOuterMostLocalContext() != null) {
focusLocalType = new ASTNodeFinder(focusUnit).findType(focus);
}
for (int i = 0; i <= this.typeIndex; i++) {
IGenericType suppliedType = this.typeModels[i];
if (suppliedType != null && suppliedType.isBinaryType()) {
CompilationUnitDeclaration previousUnitBeingCompleted =
this.lookupEnvironment.unitBeingCompleted;
// fault in its hierarchy...
try {
// ensure that unitBeingCompleted is set so that we don't get an AbortCompilation for a
// missing type
// (see https://bugs.eclipse.org/bugs/show_bug.cgi?id=213249 )
if (previousUnitBeingCompleted == null) {
this.lookupEnvironment.unitBeingCompleted = FakeUnit;
}
ReferenceBinding typeBinding = this.typeBindings[i];
typeBinding.superclass();
typeBinding.superInterfaces();
} catch (AbortCompilation e) {
// classpath problem for this type: ignore
} finally {
this.lookupEnvironment.unitBeingCompleted = previousUnitBeingCompleted;
}
}
}
// complete type bindings (i.e. connect super types)
for (int i = 0; i < unitsIndex; i++) {
CompilationUnitDeclaration parsedUnit = parsedUnits[i];
if (parsedUnit != null) {
try {
if (hasLocalType[i]) { // NB: no-op if method bodies have been already parsed
if (monitor != null && monitor.isCanceled()) throw new OperationCanceledException();
parser.getMethodBodies(parsedUnit);
}
} catch (AbortCompilation e) {
// classpath problem for this type: don't try to resolve (see
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=49809)
hasLocalType[i] = false;
}
}
}
// complete type bindings and build fields and methods only for local types
// (in this case the constructor is needed when resolving local types)
// (see https://bugs.eclipse.org/bugs/show_bug.cgi?id=145333)
try {
this.lookupEnvironment.completeTypeBindings(parsedUnits, hasLocalType, unitsIndex);
// remember type bindings
for (int i = 0; i < unitsIndex; i++) {
CompilationUnitDeclaration parsedUnit = parsedUnits[i];
if (parsedUnit != null && !parsedUnit.hasErrors()) {
boolean containsLocalType = hasLocalType[i];
if (containsLocalType) {
if (monitor != null && monitor.isCanceled()) throw new OperationCanceledException();
parsedUnit.scope.faultInTypes();
parsedUnit.resolve();
}
rememberAllTypes(parsedUnit, cus[i], containsLocalType);
}
}
} catch (AbortCompilation e) {
// skip it silently
}
worked(monitor, 1);
// if no potential subtype was a real subtype of the binary focus type, no need to go further
// (see https://bugs.eclipse.org/bugs/show_bug.cgi?id=54043)
if (focusBinaryBinding == null && focus != null && focus.isBinary()) {
char[] fullyQualifiedName = focus.getFullyQualifiedName().toCharArray();
focusBinaryBinding =
this.lookupEnvironment.getCachedType(CharOperation.splitOn('.', fullyQualifiedName));
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=436155
// When local types are requested, it's likely a type is found from cache without
// the hierarchy being resolved completely, so consider that factor too
if (focusBinaryBinding == null
|| (focusBinaryBinding.tagBits & TagBits.HasUnresolvedSuperclass) != 0) return;
}
reportHierarchy(focus, focusLocalType, focusBinaryBinding);
} catch (
ClassCastException
e) { // work-around for 1GF5W1S - can happen in case duplicates are fed to the hierarchy
// with binaries hiding sources
} catch (
AbortCompilation
e) { // ignore this exception for now since it typically means we cannot find
// java.lang.Object
if (TypeHierarchy.DEBUG) e.printStackTrace();
} finally {
reset();
}
}
/*
* Reports the hierarchy from the remembered bindings.
* Note that 'binaryTypeBinding' is null if focus type is a source type.
*/
private void reportHierarchy(
IType focus, TypeDeclaration focusLocalType, ReferenceBinding binaryTypeBinding) {
// set focus type binding
if (focus != null) {
if (binaryTypeBinding != null) {
// binary type
this.focusType = binaryTypeBinding;
} else {
// source type
if (focusLocalType != null) {
// anonymous or local type
this.focusType = focusLocalType.binding;
} else {
// top level or member type
char[] fullyQualifiedName = focus.getFullyQualifiedName().toCharArray();
setFocusType(CharOperation.splitOn('.', fullyQualifiedName));
}
}
}
// be resilient and fix super type bindings
fixSupertypeBindings();
int objectIndex = -1;
IProgressMonitor progressMonitor = this.builder.hierarchy.progressMonitor;
for (int current = this.typeIndex; current >= 0; current--) {
if (progressMonitor != null && progressMonitor.isCanceled())
throw new OperationCanceledException();
ReferenceBinding typeBinding = this.typeBindings[current];
// java.lang.Object treated at the end
if (typeBinding.id == TypeIds.T_JavaLangObject) {
objectIndex = current;
continue;
}
IGenericType suppliedType = this.typeModels[current];
if (!subOrSuperOfFocus(typeBinding)) {
continue; // ignore types outside of hierarchy
}
IType superclass;
if (typeBinding.isInterface()) { // do not connect interfaces to Object
superclass = null;
} else {
superclass = findSuperClass(suppliedType, typeBinding);
}
IType[] superinterfaces = findSuperInterfaces(suppliedType, typeBinding);
this.builder.connect(
suppliedType,
this.builder.getHandle(suppliedType, typeBinding),
superclass,
superinterfaces);
}
// add java.lang.Object only if the super class is not missing
if (objectIndex > -1 && (!this.hasMissingSuperClass || this.focusType == null)) {
IGenericType objectType = this.typeModels[objectIndex];
this.builder.connect(
objectType,
this.builder.getHandle(objectType, this.typeBindings[objectIndex]),
null,
null);
}
}
/*
* Returns the handles of the super interfaces of the given type.
* Adds the simple name to the hierarchy missing types if an interface is not found (but don't put null in the returned array)
*/
private IType[] findSuperInterfaces(IGenericType type, ReferenceBinding typeBinding) {
char[][] superInterfaceNames;
char separator;
if (type instanceof IBinaryType) {
superInterfaceNames = ((IBinaryType) type).getInterfaceNames();
separator = '/';
} else if (type instanceof ISourceType) {
ISourceType sourceType = (ISourceType) type;
if (sourceType.isAnonymous()) { // if anonymous type
if (typeBinding.superInterfaces() != null && typeBinding.superInterfaces().length > 0) {
superInterfaceNames = new char[][] {sourceType.getSuperclassName()};
} else {
superInterfaceNames = sourceType.getInterfaceNames();
}
} else {
if (TypeDeclaration.kind(sourceType.getModifiers()) == TypeDeclaration.ANNOTATION_TYPE_DECL)
superInterfaceNames =
new char[][] {TypeConstants.CharArray_JAVA_LANG_ANNOTATION_ANNOTATION};
else superInterfaceNames = sourceType.getInterfaceNames();
}
separator = '.';
} else if (type instanceof HierarchyType) {
HierarchyType hierarchyType = (HierarchyType) type;
if (hierarchyType.isAnonymous()) { // if anonymous type
if (typeBinding.superInterfaces() != null && typeBinding.superInterfaces().length > 0) {
superInterfaceNames = new char[][] {hierarchyType.superclassName};
} else {
superInterfaceNames = hierarchyType.superInterfaceNames;
}
} else {
superInterfaceNames = hierarchyType.superInterfaceNames;
}
separator = '.';
} else {
return null;
}
ReferenceBinding[] interfaceBindings = typeBinding.superInterfaces();
int bindingIndex = 0;
int bindingLength = interfaceBindings == null ? 0 : interfaceBindings.length;
int length = superInterfaceNames == null ? 0 : superInterfaceNames.length;
IType[] superinterfaces = new IType[length];
int index = 0;
next:
for (int i = 0; i < length; i++) {
char[] superInterfaceName = superInterfaceNames[i];
int end = superInterfaceName.length;
// find the end of simple name
int genericStart = CharOperation.indexOf(Signature.C_GENERIC_START, superInterfaceName);
if (genericStart != -1) end = genericStart;
// find the start of simple name
int lastSeparator = CharOperation.lastIndexOf(separator, superInterfaceName, 0, end);
int start = lastSeparator + 1;
// case of binary inner type -> take the last part
int lastDollar = CharOperation.lastIndexOf('$', superInterfaceName, start);
if (lastDollar != -1) start = lastDollar + 1;
char[] simpleName = CharOperation.subarray(superInterfaceName, start, end);
if (bindingIndex < bindingLength) {
ReferenceBinding interfaceBinding =
(ReferenceBinding) interfaceBindings[bindingIndex].erasure();
// ensure that the binding corresponds to the interface defined by the user
if (CharOperation.equals(simpleName, interfaceBinding.sourceName)) {
bindingIndex++;
for (int t = this.typeIndex; t >= 0; t--) {
if (TypeBinding.equalsEquals(this.typeBindings[t], interfaceBinding)) {
IType handle = this.builder.getHandle(this.typeModels[t], interfaceBinding);
if (handle != null) {
superinterfaces[index++] = handle;
continue next;
}
}
}
}
}
this.builder.hierarchy.missingTypes.add(new String(simpleName));
}
if (index != length)
System.arraycopy(superinterfaces, 0, superinterfaces = new IType[index], 0, index);
return superinterfaces;
}
/*
* INTERNAL USE-ONLY
* Innerclasses get their name computed as they are generated, since some may not
* be actually outputed if sitting inside unreachable code.
*/
public char[] computeConstantPoolName(LocalTypeBinding localType) {
if (localType.constantPoolName != null) {
return localType.constantPoolName;
}
// delegates to the outermost enclosing classfile, since it is the only one with a global vision
// of its innertypes.
if (this.constantPoolNameUsage == null) this.constantPoolNameUsage = new HashtableOfType();
ReferenceBinding outerMostEnclosingType =
localType.scope.outerMostClassScope().enclosingSourceType();
// ensure there is not already such a local type name defined by the user
int index = 0;
char[] candidateName;
boolean isCompliant15 = compilerOptions().complianceLevel >= ClassFileConstants.JDK1_5;
while (true) {
if (localType.isMemberType()) {
if (index == 0) {
candidateName =
CharOperation.concat(
localType.enclosingType().constantPoolName(), localType.sourceName, '$');
} else {
// in case of collision, then member name gets extra $1 inserted
// e.g. class X { { class L{} new X(){ class L{} } } }
candidateName =
CharOperation.concat(
localType.enclosingType().constantPoolName(),
'$',
String.valueOf(index).toCharArray(),
'$',
localType.sourceName);
}
} else if (localType.isAnonymousType()) {
if (isCompliant15) {
// AspectJ Extension start
char[] extraInsert = null;
if (outerMostEnclosingType instanceof SourceTypeBinding) {
SourceTypeBinding sourceTypeBinding = (SourceTypeBinding) outerMostEnclosingType;
ClassScope classScope = sourceTypeBinding.scope;
if (classScope != null) {
TypeDeclaration typeDeclaration = classScope.referenceContext;
if (typeDeclaration != null) {
extraInsert = typeDeclaration.getLocalTypeNameSuffix();
}
}
}
if (extraInsert != null) { // AspectJ Extension end
candidateName =
CharOperation.concat(
localType.enclosingType.constantPoolName(),
'$',
extraInsert,
'$',
String.valueOf(index + 1).toCharArray());
} else {
// from 1.5 on, use immediately enclosing type name
candidateName =
CharOperation.concat(
localType.enclosingType.constantPoolName(),
String.valueOf(index + 1).toCharArray(),
'$');
} // AspectJ extension, closing }
} else {
candidateName =
CharOperation.concat(
outerMostEnclosingType.constantPoolName(),
String.valueOf(index + 1).toCharArray(),
'$');
}
} else {
// local type
if (isCompliant15) {
candidateName =
CharOperation.concat(
CharOperation.concat(
localType.enclosingType().constantPoolName(),
String.valueOf(index + 1).toCharArray(),
'$'),
localType.sourceName);
} else {
candidateName =
CharOperation.concat(
outerMostEnclosingType.constantPoolName(),
'$',
String.valueOf(index + 1).toCharArray(),
'$',
localType.sourceName);
}
}
if (this.constantPoolNameUsage.get(candidateName) != null) {
index++;
} else {
this.constantPoolNameUsage.put(candidateName, localType);
break;
}
}
return candidateName;
}
/**
* Checks for duplicates. If all ok, records the importBinding returns -1 when this import is
* flagged as duplicate.
*
* @param importBinding
* @param typesBySimpleNames
* @param importReference
* @param compoundName
* @return -1 when this import is flagged as duplicate, importPtr otherwise.
*/
private int checkAndRecordImportBinding(
Binding importBinding,
HashtableOfType typesBySimpleNames,
ImportReference importReference,
char[][] compoundName) {
ReferenceBinding conflictingType = null;
if (importBinding instanceof MethodBinding) {
conflictingType = (ReferenceBinding) getType(compoundName, compoundName.length);
if (!conflictingType.isValidBinding()
|| (importReference.isStatic() && !conflictingType.isStatic())) conflictingType = null;
}
// collisions between an imported static field & a type should be checked according to spec...
// but currently not by javac
final char[] name = compoundName[compoundName.length - 1];
if (importBinding instanceof ReferenceBinding || conflictingType != null) {
ReferenceBinding referenceBinding =
conflictingType == null ? (ReferenceBinding) importBinding : conflictingType;
ReferenceBinding typeToCheck =
referenceBinding.problemId() == ProblemReasons.Ambiguous
? ((ProblemReferenceBinding) referenceBinding).closestMatch
: referenceBinding;
if (importReference.isTypeUseDeprecated(typeToCheck, this))
problemReporter().deprecatedType(typeToCheck, importReference);
ReferenceBinding existingType = typesBySimpleNames.get(name);
if (existingType != null) {
// duplicate test above should have caught this case, but make sure
if (TypeBinding.equalsEquals(existingType, referenceBinding)) {
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=302865
// Check all resolved imports to see if this import qualifies as a duplicate
for (int j = 0; j < this.importPtr; j++) {
ImportBinding resolved = this.tempImports[j];
if (resolved instanceof ImportConflictBinding) {
ImportConflictBinding importConflictBinding = (ImportConflictBinding) resolved;
if (TypeBinding.equalsEquals(
importConflictBinding.conflictingTypeBinding, referenceBinding)) {
if (!importReference.isStatic()) {
// resolved is implicitly static
problemReporter().duplicateImport(importReference);
recordImportBinding(
new ImportBinding(compoundName, false, importBinding, importReference));
}
}
} else if (resolved.resolvedImport == referenceBinding) {
if (importReference.isStatic() != resolved.isStatic()) {
problemReporter().duplicateImport(importReference);
recordImportBinding(
new ImportBinding(compoundName, false, importBinding, importReference));
}
}
}
return -1;
}
// either the type collides with a top level type or another imported type
for (int j = 0, length = this.topLevelTypes.length; j < length; j++) {
if (CharOperation.equals(this.topLevelTypes[j].sourceName, existingType.sourceName)) {
problemReporter().conflictingImport(importReference);
return -1;
}
}
if (importReference.isStatic()
&& importBinding instanceof ReferenceBinding
&& compilerOptions().sourceLevel >= ClassFileConstants.JDK1_8) {
// 7.5.3 says nothing about collision of single static imports and JDK8 tolerates them,
// though use is flagged.
for (int j = 0; j < this.importPtr; j++) {
ImportBinding resolved = this.tempImports[j];
if (resolved.isStatic()
&& resolved.resolvedImport instanceof ReferenceBinding
&& importBinding != resolved.resolvedImport) {
if (CharOperation.equals(
name, resolved.compoundName[resolved.compoundName.length - 1])) {
ReferenceBinding type = (ReferenceBinding) resolved.resolvedImport;
resolved.resolvedImport =
new ProblemReferenceBinding(
new char[][] {name}, type, ProblemReasons.Ambiguous);
return -1;
}
}
}
}
problemReporter().duplicateImport(importReference);
return -1;
}
typesBySimpleNames.put(name, referenceBinding);
} else if (importBinding instanceof FieldBinding) {
for (int j = 0; j < this.importPtr; j++) {
ImportBinding resolved = this.tempImports[j];
// find other static fields with the same name
if (resolved.isStatic()
&& resolved.resolvedImport instanceof FieldBinding
&& importBinding != resolved.resolvedImport) {
if (CharOperation.equals(name, resolved.compoundName[resolved.compoundName.length - 1])) {
if (compilerOptions().sourceLevel >= ClassFileConstants.JDK1_8) {
// 7.5.3 says nothing about collision of single static imports and JDK8 tolerates
// them, though use is flagged.
FieldBinding field = (FieldBinding) resolved.resolvedImport;
resolved.resolvedImport =
new ProblemFieldBinding(
field, field.declaringClass, name, ProblemReasons.Ambiguous);
return -1;
} else {
problemReporter().duplicateImport(importReference);
return -1;
}
}
}
}
}
if (conflictingType == null) {
recordImportBinding(new ImportBinding(compoundName, false, importBinding, importReference));
} else {
recordImportBinding(
new ImportConflictBinding(compoundName, importBinding, conflictingType, importReference));
}
return this.importPtr;
}
void buildTypeBindings(AccessRestriction accessRestriction) {
this.topLevelTypes =
new SourceTypeBinding[0]; // want it initialized if the package cannot be resolved
boolean firstIsSynthetic = false;
if (this.referenceContext.compilationResult.compilationUnit != null) {
char[][] expectedPackageName =
this.referenceContext.compilationResult.compilationUnit.getPackageName();
if (expectedPackageName != null
&& !CharOperation.equals(this.currentPackageName, expectedPackageName)) {
// only report if the unit isn't structurally empty
if (this.referenceContext.currentPackage != null
|| this.referenceContext.types != null
|| this.referenceContext.imports != null) {
problemReporter().packageIsNotExpectedPackage(this.referenceContext);
}
this.currentPackageName =
expectedPackageName.length == 0 ? CharOperation.NO_CHAR_CHAR : expectedPackageName;
}
}
if (this.currentPackageName == CharOperation.NO_CHAR_CHAR) {
// environment default package is never null
this.fPackage = this.environment.defaultPackage;
} else {
if ((this.fPackage = this.environment.createPackage(this.currentPackageName)) == null) {
if (this.referenceContext.currentPackage != null) {
problemReporter()
.packageCollidesWithType(
this.referenceContext); // only report when the unit has a package statement
}
// ensure fPackage is not null
this.fPackage = this.environment.defaultPackage;
return;
} else if (this.referenceContext.isPackageInfo()) {
// resolve package annotations now if this is "package-info.java".
if (this.referenceContext.types == null || this.referenceContext.types.length == 0) {
this.referenceContext.types = new TypeDeclaration[1];
this.referenceContext.createPackageInfoType();
firstIsSynthetic = true;
}
// ensure the package annotations are copied over before resolution
if (this.referenceContext.currentPackage != null
&& this.referenceContext.currentPackage.annotations != null) {
this.referenceContext.types[0].annotations =
this.referenceContext.currentPackage.annotations;
}
}
recordQualifiedReference(this.currentPackageName); // always dependent on your own package
}
// Skip typeDeclarations which know of previously reported errors
TypeDeclaration[] types = this.referenceContext.types;
int typeLength = (types == null) ? 0 : types.length;
this.topLevelTypes = new SourceTypeBinding[typeLength];
int count = 0;
nextType:
for (int i = 0; i < typeLength; i++) {
TypeDeclaration typeDecl = types[i];
if (this.environment.isProcessingAnnotations && this.environment.isMissingType(typeDecl.name))
throw new SourceTypeCollisionException(); // resolved a type ref before APT generated the
// type
ReferenceBinding typeBinding = this.fPackage.getType0(typeDecl.name);
recordSimpleReference(typeDecl.name); // needed to detect collision cases
if (typeBinding != null
&& typeBinding.isValidBinding()
&& !(typeBinding instanceof UnresolvedReferenceBinding)) {
// if its an unresolved binding - its fixed up whenever its needed, see
// UnresolvedReferenceBinding.resolve()
if (this.environment.isProcessingAnnotations)
throw new SourceTypeCollisionException(); // resolved a type ref before APT generated the
// type
// if a type exists, check that its a valid type
// it can be a NotFound problem type if its a secondary type referenced before its primary
// type found in additional units
// and it can be an unresolved type which is now being defined
problemReporter().duplicateTypes(this.referenceContext, typeDecl);
continue nextType;
}
if (this.fPackage != this.environment.defaultPackage
&& this.fPackage.getPackage(typeDecl.name) != null) {
// if a package exists, it must be a valid package - cannot be a NotFound problem package
// this is now a warning since a package does not really 'exist' until it contains a type,
// see JLS v2, 7.4.3
problemReporter().typeCollidesWithPackage(this.referenceContext, typeDecl);
}
if ((typeDecl.modifiers & ClassFileConstants.AccPublic) != 0) {
char[] mainTypeName;
if ((mainTypeName = this.referenceContext.getMainTypeName())
!= null // mainTypeName == null means that implementor of ICompilationUnit decided
// to return null
&& !CharOperation.equals(mainTypeName, typeDecl.name)) {
problemReporter().publicClassMustMatchFileName(this.referenceContext, typeDecl);
// tolerate faulty main type name (91091), allow to proceed into type construction
}
}
ClassScope child = new ClassScope(this, typeDecl);
SourceTypeBinding type = child.buildType(null, this.fPackage, accessRestriction);
if (firstIsSynthetic && i == 0) type.modifiers |= ClassFileConstants.AccSynthetic;
if (type != null) this.topLevelTypes[count++] = type;
}
// shrink topLevelTypes... only happens if an error was reported
if (count != this.topLevelTypes.length)
System.arraycopy(
this.topLevelTypes, 0, this.topLevelTypes = new SourceTypeBinding[count], 0, count);
}
void faultInImports() {
boolean unresolvedFound = false;
// should report unresolved only if we are not suppressing caching of failed resolutions
boolean reportUnresolved = !this.suppressImportErrors;
if (this.typeOrPackageCache != null && !this.skipCachingImports)
return; // can be called when a field constant is resolved before static imports
if (this.referenceContext.imports == null) {
this.typeOrPackageCache = new HashtableOfObject(1);
return;
}
// collect the top level type names if a single type import exists
int numberOfStatements = this.referenceContext.imports.length;
HashtableOfType typesBySimpleNames = null;
for (int i = 0; i < numberOfStatements; i++) {
if ((this.referenceContext.imports[i].bits & ASTNode.OnDemand) == 0) {
typesBySimpleNames = new HashtableOfType(this.topLevelTypes.length + numberOfStatements);
for (int j = 0, length = this.topLevelTypes.length; j < length; j++)
typesBySimpleNames.put(this.topLevelTypes[j].sourceName, this.topLevelTypes[j]);
break;
}
}
// allocate the import array, add java.lang.* by default
int numberOfImports = numberOfStatements + 1;
for (int i = 0; i < numberOfStatements; i++) {
ImportReference importReference = this.referenceContext.imports[i];
if (((importReference.bits & ASTNode.OnDemand) != 0)
&& CharOperation.equals(TypeConstants.JAVA_LANG, importReference.tokens)
&& !importReference.isStatic()) {
numberOfImports--;
break;
}
}
this.tempImports = new ImportBinding[numberOfImports];
this.tempImports[0] = getDefaultImports()[0];
this.importPtr = 1;
// keep static imports with normal imports until there is a reason to split them up
// on demand imports continue to be packages & types. need to check on demand type imports for
// fields/methods
// single imports change from being just types to types or fields
nextImport:
for (int i = 0; i < numberOfStatements; i++) {
ImportReference importReference = this.referenceContext.imports[i];
char[][] compoundName = importReference.tokens;
// skip duplicates or imports of the current package
for (int j = 0; j < this.importPtr; j++) {
ImportBinding resolved = this.tempImports[j];
if (resolved.onDemand == ((importReference.bits & ASTNode.OnDemand) != 0)
&& resolved.isStatic() == importReference.isStatic()) {
if (CharOperation.equals(compoundName, resolved.compoundName)) {
problemReporter().unusedImport(importReference); // since skipped, must be reported now
continue nextImport;
}
}
}
if ((importReference.bits & ASTNode.OnDemand) != 0) {
if (CharOperation.equals(compoundName, this.currentPackageName)) {
problemReporter().unusedImport(importReference); // since skipped, must be reported now
continue nextImport;
}
Binding importBinding = findImport(compoundName, compoundName.length);
if (!importBinding.isValidBinding()) {
problemReporter().importProblem(importReference, importBinding);
continue nextImport;
}
if (importReference.isStatic() && importBinding instanceof PackageBinding) {
problemReporter().cannotImportPackage(importReference);
continue nextImport;
}
recordImportBinding(new ImportBinding(compoundName, true, importBinding, importReference));
} else {
Binding importBinding =
findSingleImport(
compoundName,
Binding.TYPE | Binding.FIELD | Binding.METHOD,
importReference.isStatic());
if (!importBinding.isValidBinding()) {
if (importBinding.problemId() == ProblemReasons.Ambiguous) {
// keep it unless a duplicate can be found below
} else {
unresolvedFound = true;
if (reportUnresolved) {
problemReporter().importProblem(importReference, importBinding);
}
continue nextImport;
}
}
if (importBinding instanceof PackageBinding) {
problemReporter().cannotImportPackage(importReference);
continue nextImport;
}
// all the code here which checks for valid bindings have been moved to the method
// checkAndRecordImportBinding() since bug 361327
if (checkAndRecordImportBinding(
importBinding, typesBySimpleNames, importReference, compoundName)
== -1) continue nextImport;
if (importReference.isStatic()) {
// look for more static bindings being imported by single static import(bug 361327).
// findSingleImport() finds fields first, followed by method and then type
// So if a type is found, no fields and methods are available anyway
// similarly when method is found, type may be available but no field available for sure
if (importBinding.kind() == Binding.FIELD) {
checkMoreStaticBindings(
compoundName, typesBySimpleNames, Binding.TYPE | Binding.METHOD, importReference);
} else if (importBinding.kind() == Binding.METHOD) {
checkMoreStaticBindings(
compoundName, typesBySimpleNames, Binding.TYPE, importReference);
}
}
}
}
// shrink resolvedImports... only happens if an error was reported
if (this.tempImports.length > this.importPtr)
System.arraycopy(
this.tempImports,
0,
this.tempImports = new ImportBinding[this.importPtr],
0,
this.importPtr);
this.imports = this.tempImports;
int length = this.imports.length;
this.typeOrPackageCache = new HashtableOfObject(length);
for (int i = 0; i < length; i++) {
ImportBinding binding = this.imports[i];
if (!binding.onDemand && binding.resolvedImport instanceof ReferenceBinding
|| binding instanceof ImportConflictBinding)
this.typeOrPackageCache.put(binding.compoundName[binding.compoundName.length - 1], binding);
}
this.skipCachingImports = this.suppressImportErrors && unresolvedFound;
}
/**
* Validate the given package name for the given source and compliance levels.
*
* <p>The syntax of a package name corresponds to PackageName as defined by PackageDeclaration
* (JLS2 7.4). For example, <code>"java.lang"</code>.
*
* <p>Note that the given name must be a non-empty package name (that is, attempting to validate
* the default package will return an error status.) Also it must not contain any characters or
* substrings that are not valid on the file system on which workspace root is located.
*
* @param name the name of a package
* @param sourceLevel the source level
* @param complianceLevel the compliance level
* @return a status object with code <code>IStatus.OK</code> if the given name is valid as a
* package name, otherwise a status object indicating what is wrong with the name
* @since 3.3
*/
public static IStatus validatePackageName(
String name, String sourceLevel, String complianceLevel) {
if (name == null) {
return new Status(
IStatus.ERROR, JavaCore.PLUGIN_ID, -1, Messages.convention_package_nullName, null);
}
int length;
if ((length = name.length()) == 0) {
return new Status(
IStatus.ERROR, JavaCore.PLUGIN_ID, -1, Messages.convention_package_emptyName, null);
}
if (name.charAt(0) == DOT || name.charAt(length - 1) == DOT) {
return new Status(
IStatus.ERROR, JavaCore.PLUGIN_ID, -1, Messages.convention_package_dotName, null);
}
if (CharOperation.isWhitespace(name.charAt(0))
|| CharOperation.isWhitespace(name.charAt(name.length() - 1))) {
return new Status(
IStatus.ERROR, JavaCore.PLUGIN_ID, -1, Messages.convention_package_nameWithBlanks, null);
}
int dot = 0;
while (dot != -1 && dot < length - 1) {
if ((dot = name.indexOf(DOT, dot + 1)) != -1
&& dot < length - 1
&& name.charAt(dot + 1) == DOT) {
return new Status(
IStatus.ERROR,
JavaCore.PLUGIN_ID,
-1,
Messages.convention_package_consecutiveDotsName,
null);
}
}
IWorkspace workspace = ResourcesPlugin.getWorkspace();
StringTokenizer st = new StringTokenizer(name, "."); // $NON-NLS-1$
boolean firstToken = true;
IStatus warningStatus = null;
while (st.hasMoreTokens()) {
String typeName = st.nextToken();
typeName = typeName.trim(); // grammar allows spaces
char[] scannedID = scannedIdentifier(typeName, sourceLevel, complianceLevel);
if (scannedID == null) {
return new Status(
IStatus.ERROR,
JavaCore.PLUGIN_ID,
-1,
Messages.bind(Messages.convention_illegalIdentifier, typeName),
null);
}
IStatus status = workspace.validateName(new String(scannedID), IResource.FOLDER);
if (!status.isOK()) {
return status;
}
if (firstToken && scannedID.length > 0 && ScannerHelper.isUpperCase(scannedID[0])) {
if (warningStatus == null) {
warningStatus =
new Status(
IStatus.WARNING,
JavaCore.PLUGIN_ID,
-1,
Messages.convention_package_uppercaseName,
null);
}
}
firstToken = false;
}
if (warningStatus != null) {
return warningStatus;
}
return JavaModelStatus.VERIFIED_OK;
}
/*
* Creates the value wrapper from the given expression, and sets the valueKind on the given memberValuePair
*/
private Object getAnnotationMemberValue(
MemberValuePair memberValuePair, Expression expression, JavaElement parentElement) {
if (expression instanceof NullLiteral) {
return null;
} else if (expression instanceof Literal) {
((Literal) expression).computeConstant();
return Util.getAnnotationMemberValue(memberValuePair, expression.constant);
} else if (expression instanceof org.aspectj.org.eclipse.jdt.internal.compiler.ast.Annotation) {
memberValuePair.valueKind = IMemberValuePair.K_ANNOTATION;
return getAnnotation(
(org.aspectj.org.eclipse.jdt.internal.compiler.ast.Annotation) expression, parentElement);
} else if (expression instanceof ClassLiteralAccess) {
ClassLiteralAccess classLiteral = (ClassLiteralAccess) expression;
char[] typeName = CharOperation.concatWith(classLiteral.type.getTypeName(), '.');
memberValuePair.valueKind = IMemberValuePair.K_CLASS;
return new String(typeName);
} else if (expression instanceof QualifiedNameReference) {
char[] qualifiedName =
CharOperation.concatWith(((QualifiedNameReference) expression).tokens, '.');
memberValuePair.valueKind = IMemberValuePair.K_QUALIFIED_NAME;
return new String(qualifiedName);
} else if (expression instanceof SingleNameReference) {
char[] simpleName = ((SingleNameReference) expression).token;
if (simpleName == RecoveryScanner.FAKE_IDENTIFIER) {
memberValuePair.valueKind = IMemberValuePair.K_UNKNOWN;
return null;
}
memberValuePair.valueKind = IMemberValuePair.K_SIMPLE_NAME;
return new String(simpleName);
} else if (expression instanceof ArrayInitializer) {
memberValuePair.valueKind = -1; // modified below by the first call to getMemberValue(...)
Expression[] expressions = ((ArrayInitializer) expression).expressions;
int length = expressions == null ? 0 : expressions.length;
Object[] values = new Object[length];
for (int i = 0; i < length; i++) {
int previousValueKind = memberValuePair.valueKind;
Object value = getAnnotationMemberValue(memberValuePair, expressions[i], parentElement);
if (previousValueKind != -1 && memberValuePair.valueKind != previousValueKind) {
// values are heterogeneous, value kind is thus unknown
memberValuePair.valueKind = IMemberValuePair.K_UNKNOWN;
}
values[i] = value;
}
if (memberValuePair.valueKind == -1) memberValuePair.valueKind = IMemberValuePair.K_UNKNOWN;
return values;
} else if (expression
instanceof UnaryExpression) { // to deal with negative numerals (see bug - 248312)
UnaryExpression unaryExpression = (UnaryExpression) expression;
if ((unaryExpression.bits & ASTNode.OperatorMASK) >> ASTNode.OperatorSHIFT
== OperatorIds.MINUS) {
if (unaryExpression.expression instanceof Literal) {
Literal subExpression = (Literal) unaryExpression.expression;
subExpression.computeConstant();
return Util.getNegativeAnnotationMemberValue(memberValuePair, subExpression.constant);
}
}
memberValuePair.valueKind = IMemberValuePair.K_UNKNOWN;
return null;
} else {
memberValuePair.valueKind = IMemberValuePair.K_UNKNOWN;
return null;
}
}
