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;
}
/** Figures if @Deprecated annotation is specified, do not resolve entire annotations. */
public static void resolveDeprecatedAnnotations(
BlockScope scope, Annotation[] annotations, Binding recipient) {
if (recipient != null) {
int kind = recipient.kind();
if (annotations != null) {
int length;
if ((length = annotations.length) >= 0) {
switch (kind) {
case Binding.PACKAGE:
PackageBinding packageBinding = (PackageBinding) recipient;
if ((packageBinding.tagBits & TagBits.DeprecatedAnnotationResolved) != 0) return;
break;
case Binding.TYPE:
case Binding.GENERIC_TYPE:
ReferenceBinding type = (ReferenceBinding) recipient;
if ((type.tagBits & TagBits.DeprecatedAnnotationResolved) != 0) return;
break;
case Binding.METHOD:
MethodBinding method = (MethodBinding) recipient;
if ((method.tagBits & TagBits.DeprecatedAnnotationResolved) != 0) return;
break;
case Binding.FIELD:
FieldBinding field = (FieldBinding) recipient;
if ((field.tagBits & TagBits.DeprecatedAnnotationResolved) != 0) return;
break;
case Binding.LOCAL:
LocalVariableBinding local = (LocalVariableBinding) recipient;
if ((local.tagBits & TagBits.DeprecatedAnnotationResolved) != 0) return;
break;
default:
return;
}
for (int i = 0; i < length; i++) {
TypeReference annotationTypeRef = annotations[i].type;
// only resolve type name if 'Deprecated' last token
if (!CharOperation.equals(
TypeConstants.JAVA_LANG_DEPRECATED[2], annotationTypeRef.getLastToken())) return;
TypeBinding annotationType = annotations[i].type.resolveType(scope);
if (annotationType != null
&& annotationType.isValidBinding()
&& annotationType.id == TypeIds.T_JavaLangDeprecated) {
switch (kind) {
case Binding.PACKAGE:
PackageBinding packageBinding = (PackageBinding) recipient;
packageBinding.tagBits |=
(TagBits.AnnotationDeprecated | TagBits.DeprecatedAnnotationResolved);
return;
case Binding.TYPE:
case Binding.GENERIC_TYPE:
case Binding.TYPE_PARAMETER:
ReferenceBinding type = (ReferenceBinding) recipient;
type.tagBits |=
(TagBits.AnnotationDeprecated | TagBits.DeprecatedAnnotationResolved);
return;
case Binding.METHOD:
MethodBinding method = (MethodBinding) recipient;
method.tagBits |=
(TagBits.AnnotationDeprecated | TagBits.DeprecatedAnnotationResolved);
return;
case Binding.FIELD:
FieldBinding field = (FieldBinding) recipient;
field.tagBits |=
(TagBits.AnnotationDeprecated | TagBits.DeprecatedAnnotationResolved);
return;
case Binding.LOCAL:
LocalVariableBinding local = (LocalVariableBinding) recipient;
local.tagBits |=
(TagBits.AnnotationDeprecated | TagBits.DeprecatedAnnotationResolved);
return;
default:
return;
}
}
}
}
}
switch (kind) {
case Binding.PACKAGE:
PackageBinding packageBinding = (PackageBinding) recipient;
packageBinding.tagBits |= TagBits.DeprecatedAnnotationResolved;
return;
case Binding.TYPE:
case Binding.GENERIC_TYPE:
case Binding.TYPE_PARAMETER:
ReferenceBinding type = (ReferenceBinding) recipient;
type.tagBits |= TagBits.DeprecatedAnnotationResolved;
return;
case Binding.METHOD:
MethodBinding method = (MethodBinding) recipient;
method.tagBits |= TagBits.DeprecatedAnnotationResolved;
return;
case Binding.FIELD:
FieldBinding field = (FieldBinding) recipient;
field.tagBits |= TagBits.DeprecatedAnnotationResolved;
return;
case Binding.LOCAL:
LocalVariableBinding local = (LocalVariableBinding) recipient;
local.tagBits |= TagBits.DeprecatedAnnotationResolved;
return;
default:
return;
}
}
}
/**
* Resolve annotations, and check duplicates, answers combined tagBits for recognized standard
* annotations
*/
public static void resolveAnnotations(
BlockScope scope, Annotation[] sourceAnnotations, Binding recipient) {
AnnotationBinding[] annotations = null;
int length = sourceAnnotations == null ? 0 : sourceAnnotations.length;
if (recipient != null) {
switch (recipient.kind()) {
case Binding.PACKAGE:
PackageBinding packageBinding = (PackageBinding) recipient;
if ((packageBinding.tagBits & TagBits.AnnotationResolved) != 0) return;
packageBinding.tagBits |=
(TagBits.AnnotationResolved | TagBits.DeprecatedAnnotationResolved);
break;
case Binding.TYPE:
case Binding.GENERIC_TYPE:
ReferenceBinding type = (ReferenceBinding) recipient;
if ((type.tagBits & TagBits.AnnotationResolved) != 0) return;
type.tagBits |= (TagBits.AnnotationResolved | TagBits.DeprecatedAnnotationResolved);
if (length > 0) {
annotations = new AnnotationBinding[length];
type.setAnnotations(annotations);
}
break;
case Binding.METHOD:
MethodBinding method = (MethodBinding) recipient;
if ((method.tagBits & TagBits.AnnotationResolved) != 0) return;
method.tagBits |= (TagBits.AnnotationResolved | TagBits.DeprecatedAnnotationResolved);
if (length > 0) {
annotations = new AnnotationBinding[length];
method.setAnnotations(annotations);
}
break;
case Binding.FIELD:
FieldBinding field = (FieldBinding) recipient;
if ((field.tagBits & TagBits.AnnotationResolved) != 0) return;
field.tagBits |= (TagBits.AnnotationResolved | TagBits.DeprecatedAnnotationResolved);
if (length > 0) {
annotations = new AnnotationBinding[length];
field.setAnnotations(annotations);
}
break;
case Binding.LOCAL:
LocalVariableBinding local = (LocalVariableBinding) recipient;
if ((local.tagBits & TagBits.AnnotationResolved) != 0) return;
local.tagBits |= (TagBits.AnnotationResolved | TagBits.DeprecatedAnnotationResolved);
if (length > 0) {
annotations = new AnnotationBinding[length];
local.setAnnotations(annotations);
}
break;
default:
return;
}
}
if (sourceAnnotations == null) return;
for (int i = 0; i < length; i++) {
Annotation annotation = sourceAnnotations[i];
final Binding annotationRecipient = annotation.recipient;
if (annotationRecipient != null && recipient != null) {
// only local and field can share annnotations
switch (recipient.kind()) {
case Binding.FIELD:
FieldBinding field = (FieldBinding) recipient;
field.tagBits = ((FieldBinding) annotationRecipient).tagBits;
break;
case Binding.LOCAL:
LocalVariableBinding local = (LocalVariableBinding) recipient;
local.tagBits = ((LocalVariableBinding) annotationRecipient).tagBits;
break;
}
if (annotations != null) {
// need to fill the instances array
annotations[0] = annotation.getCompilerAnnotation();
for (int j = 1; j < length; j++) {
Annotation annot = sourceAnnotations[j];
annotations[j] = annot.getCompilerAnnotation();
}
}
return;
} else {
annotation.recipient = recipient;
annotation.resolveType(scope);
// null if receiver is a package binding
if (annotations != null) {
annotations[i] = annotation.getCompilerAnnotation();
}
}
}
// check duplicate annotations
if (annotations != null) {
AnnotationBinding[] distinctAnnotations =
annotations; // only copy after 1st duplicate is detected
for (int i = 0; i < length; i++) {
AnnotationBinding annotation = distinctAnnotations[i];
if (annotation == null) continue;
TypeBinding annotationType = annotation.getAnnotationType();
boolean foundDuplicate = false;
for (int j = i + 1; j < length; j++) {
AnnotationBinding otherAnnotation = distinctAnnotations[j];
if (otherAnnotation == null) continue;
if (otherAnnotation.getAnnotationType() == annotationType) {
foundDuplicate = true;
if (distinctAnnotations == annotations) {
System.arraycopy(
distinctAnnotations,
0,
distinctAnnotations = new AnnotationBinding[length],
0,
length);
}
distinctAnnotations[j] = null; // report it only once
scope.problemReporter().duplicateAnnotation(sourceAnnotations[j]);
}
}
if (foundDuplicate) {
scope.problemReporter().duplicateAnnotation(sourceAnnotations[i]);
}
}
}
}
