/**
* Resolve the supertypes for the supplied source type. Inform the requestor of the resolved
* supertypes using: connect(ISourceType suppliedType, IGenericType superclass, IGenericType[]
* superinterfaces)
*
* @param suppliedType
*/
public void resolve(IGenericType suppliedType) {
try {
if (suppliedType.isBinaryType()) {
BinaryTypeBinding binaryTypeBinding =
this.lookupEnvironment.cacheBinaryType(
(IBinaryType) suppliedType,
false /*don't need field and method (bug 125067)*/,
null /*no access restriction*/);
remember(suppliedType, binaryTypeBinding);
// We still need to add superclasses and superinterfaces bindings (see
// https://bugs.eclipse.org/bugs/show_bug.cgi?id=53095)
int startIndex = this.typeIndex;
for (int i = startIndex; i <= this.typeIndex; i++) {
IGenericType igType = this.typeModels[i];
if (igType != null && igType.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;
}
}
}
this.superTypesOnly = true;
reportHierarchy(this.builder.getType(), null, binaryTypeBinding);
} else {
org.aspectj.org.eclipse.jdt.core.ICompilationUnit cu =
((SourceTypeElementInfo) suppliedType).getHandle().getCompilationUnit();
if (cu != null) {
HashSet localTypes = new HashSet();
localTypes.add(cu.getPath().toString());
this.superTypesOnly = true;
resolve(new Openable[] {(Openable) cu}, localTypes, null);
}
}
} catch (
AbortCompilation
e) { // ignore this exception for now since it typically means we cannot find
// java.lang.Object
} finally {
reset();
}
}
/*
* 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;
}
/**
* 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();
}
}
private void remember(IType type, ReferenceBinding typeBinding) {
if (((CompilationUnit) type.getCompilationUnit()).isOpen()) {
try {
IGenericType genericType = (IGenericType) ((JavaElement) type).getElementInfo();
remember(genericType, typeBinding);
} catch (JavaModelException e) {
// cannot happen since element is open
return;
}
} else {
if (typeBinding == null) return;
boolean isAnonymous = false;
try {
isAnonymous = type.isAnonymous();
} catch (JavaModelException jme) {
// Ignore
}
if (typeBinding instanceof SourceTypeBinding) {
TypeDeclaration typeDeclaration = ((SourceTypeBinding) typeBinding).scope.referenceType();
// simple super class name
char[] superclassName = null;
TypeReference superclass;
if ((typeDeclaration.bits & ASTNode.IsAnonymousType) != 0) {
superclass = typeDeclaration.allocation.type;
} else {
superclass = typeDeclaration.superclass;
}
if (superclass != null) {
char[][] typeName = superclass.getTypeName();
superclassName = typeName == null ? null : typeName[typeName.length - 1];
}
// simple super interface names
char[][] superInterfaceNames = null;
TypeReference[] superInterfaces = typeDeclaration.superInterfaces;
if (superInterfaces != null) {
int length = superInterfaces.length;
superInterfaceNames = new char[length][];
for (int i = 0; i < length; i++) {
TypeReference superInterface = superInterfaces[i];
char[][] typeName = superInterface.getTypeName();
superInterfaceNames[i] = typeName[typeName.length - 1];
}
}
HierarchyType hierarchyType =
new HierarchyType(
type,
typeDeclaration.name,
typeDeclaration.binding.modifiers,
superclassName,
superInterfaceNames,
isAnonymous);
remember(hierarchyType, typeDeclaration.binding);
} else {
HierarchyType hierarchyType =
new HierarchyType(
type,
typeBinding.sourceName(),
typeBinding.modifiers,
typeBinding.superclass().sourceName(),
new char[][] {typeBinding.superInterfaces()[0].sourceName()},
isAnonymous);
remember(hierarchyType, typeBinding);
}
}
}
/*
* 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;
}
}
}
}