/*
* 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;
}
/*
* 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;
}
/**
* 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;
}
