/*
* 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 boolean subTypeOfType(ReferenceBinding subType, ReferenceBinding typeBinding) {
if (typeBinding == null || subType == null) return false;
if (TypeBinding.equalsEquals(subType, typeBinding)) return true;
ReferenceBinding superclass = subType.superclass();
if (superclass != null) superclass = (ReferenceBinding) superclass.erasure();
// if (superclass != null && superclass.id == TypeIds.T_JavaLangObject &&
// subType.isHierarchyInconsistent()) return false;
if (subTypeOfType(superclass, typeBinding)) return true;
ReferenceBinding[] superInterfaces = subType.superInterfaces();
if (superInterfaces != null) {
for (int i = 0, length = superInterfaces.length; i < length; i++) {
ReferenceBinding superInterface = (ReferenceBinding) superInterfaces[i].erasure();
if (subTypeOfType(superInterface, typeBinding)) return true;
}
}
return false;
}
/*
* For all type bindings that have hierarchy problems, artificially fix their superclass/superInterfaces so that the connection
* can be made.
*/
private void fixSupertypeBindings() {
for (int current = this.typeIndex; current >= 0; current--) {
ReferenceBinding typeBinding = this.typeBindings[current];
if ((typeBinding.tagBits & TagBits.HierarchyHasProblems) == 0) continue;
if (typeBinding instanceof SourceTypeBinding) {
if (typeBinding instanceof LocalTypeBinding) {
LocalTypeBinding localTypeBinding = (LocalTypeBinding) typeBinding;
QualifiedAllocationExpression allocationExpression =
localTypeBinding.scope.referenceContext.allocation;
TypeReference type;
if (allocationExpression != null
&& (type = allocationExpression.type) != null
&& type.resolvedType != null) {
localTypeBinding.setSuperClass((ReferenceBinding) type.resolvedType);
continue;
}
}
ClassScope scope = ((SourceTypeBinding) typeBinding).scope;
if (scope != null) {
TypeDeclaration typeDeclaration = scope.referenceContext;
TypeReference superclassRef = typeDeclaration == null ? null : typeDeclaration.superclass;
TypeBinding superclass = superclassRef == null ? null : superclassRef.resolvedType;
if (superclass != null) {
superclass = superclass.closestMatch();
}
if (superclass instanceof ReferenceBinding) {
// ensure we are not creating a cycle (see
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=215681 )
if (!(subTypeOfType((ReferenceBinding) superclass, typeBinding))) {
((SourceTypeBinding) typeBinding).setSuperClass((ReferenceBinding) superclass);
}
}
TypeReference[] superInterfaces =
typeDeclaration == null ? null : typeDeclaration.superInterfaces;
int length;
ReferenceBinding[] interfaceBindings = typeBinding.superInterfaces();
if (superInterfaces != null
&& (length = superInterfaces.length)
> (interfaceBindings == null
? 0
: interfaceBindings
.length)) { // check for interfaceBindings being null (see
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=139689)
interfaceBindings = new ReferenceBinding[length];
int index = 0;
for (int i = 0; i < length; i++) {
TypeBinding superInterface = superInterfaces[i].resolvedType;
if (superInterface != null) {
superInterface = superInterface.closestMatch();
}
if (superInterface instanceof ReferenceBinding) {
// ensure we are not creating a cycle (see
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=215681 )
if (!(subTypeOfType((ReferenceBinding) superInterface, typeBinding))) {
interfaceBindings[index++] = (ReferenceBinding) superInterface;
}
}
}
if (index < length)
System.arraycopy(
interfaceBindings, 0, interfaceBindings = new ReferenceBinding[index], 0, index);
((SourceTypeBinding) typeBinding).setSuperInterfaces(interfaceBindings);
}
}
} else if (typeBinding instanceof BinaryTypeBinding) {
try {
typeBinding.superclass();
} catch (AbortCompilation e) {
// allow subsequent call to superclass() to succeed so that we don't have to catch
// AbortCompilation everywhere
((BinaryTypeBinding) typeBinding).tagBits &= ~TagBits.HasUnresolvedSuperclass;
this.builder.hierarchy.missingTypes.add(
new String(typeBinding.superclass().sourceName()));
this.hasMissingSuperClass = true;
}
try {
typeBinding.superInterfaces();
} catch (AbortCompilation e) {
// allow subsequent call to superInterfaces() to succeed so that we don't have to catch
// AbortCompilation everywhere
((BinaryTypeBinding) typeBinding).tagBits &= ~TagBits.HasUnresolvedSuperinterfaces;
}
}
}
}
/*
* 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;
}
