Java Code Examples for org.eclipse.jdt.internal.compiler.ast.ASTNode#resolveAnnotations()

private void resolveAnnotations(BlockScope scope, Annotation[] annotations, Binding currentBinding) {
	
	int length = annotations == null ? 0 : annotations.length;
	if (length == 0)
		return;
	
	boolean old = scope.insideTypeAnnotation;
	scope.insideTypeAnnotation = true;
	ASTNode.resolveAnnotations(scope, annotations, currentBinding);
	scope.insideTypeAnnotation = old;
	ElementImpl element = (ElementImpl) _factory.newElement(currentBinding);
	AnnotationBinding [] annotationBindings = element.getPackedAnnotationBindings(); // discovery is never in terms of repeating annotation.
	for (AnnotationBinding binding : annotationBindings) {
		if (binding != null) { // binding should be resolved, but in case it's not, ignore it: it could have been wrapped into a container.
			TypeElement anno = (TypeElement)_factory.newElement(binding.getAnnotationType());
			_annoToElement.put(anno, element);
		}
	}
}
 

/**
 * Compute the tagbits for standard annotations. For source types, these could require
 * lazily resolving corresponding annotation nodes, in case of forward references.
 * For type use bindings, this method still returns the tagbits corresponding to the type 
 * declaration binding.
 * @see org.eclipse.jdt.internal.compiler.lookup.Binding#getAnnotationTagBits()
 */
public long getAnnotationTagBits() {
	if (!isPrototype())
		return this.prototype.getAnnotationTagBits();
	
	if ((this.tagBits & TagBits.AnnotationResolved) == 0 && this.scope != null) {
		TypeDeclaration typeDecl = this.scope.referenceContext;
		boolean old = typeDecl.staticInitializerScope.insideTypeAnnotation;
		try {
			typeDecl.staticInitializerScope.insideTypeAnnotation = true;
			ASTNode.resolveAnnotations(typeDecl.staticInitializerScope, typeDecl.annotations, this);
		} finally {
			typeDecl.staticInitializerScope.insideTypeAnnotation = old;
		}
		if ((this.tagBits & TagBits.AnnotationDeprecated) != 0)
			this.modifiers |= ClassFileConstants.AccDeprecated;
		evaluateNullAnnotations(this.tagBits);
	}
	return this.tagBits;
}
 

/**
 * Compute the tagbits for standard annotations. For source types, these could require
 * lazily resolving corresponding annotation nodes, in case of forward references.
 * @see org.eclipse.jdt.internal.compiler.lookup.Binding#getAnnotationTagBits()
 */
public long getAnnotationTagBits() {
	MethodBinding originalMethod = original();
	if ((originalMethod.tagBits & TagBits.AnnotationResolved) == 0 && originalMethod.declaringClass instanceof SourceTypeBinding) {
		ClassScope scope = ((SourceTypeBinding) originalMethod.declaringClass).scope;
		if (scope != null) {
			TypeDeclaration typeDecl = scope.referenceContext;
			AbstractMethodDeclaration methodDecl = typeDecl.declarationOf(originalMethod);
			if (methodDecl != null)
				ASTNode.resolveAnnotations(methodDecl.scope, methodDecl.annotations, originalMethod);
			CompilerOptions options = scope.compilerOptions();
			if (options.isAnnotationBasedNullAnalysisEnabled) {
				boolean isJdk18 = options.sourceLevel >= ClassFileConstants.JDK1_8;
				long nullDefaultBits = isJdk18 ? this.defaultNullness
						: this.tagBits & (TagBits.AnnotationNonNullByDefault|TagBits.AnnotationNullUnspecifiedByDefault);
				if (nullDefaultBits != 0 && this.declaringClass instanceof SourceTypeBinding) {
					SourceTypeBinding declaringSourceType = (SourceTypeBinding) this.declaringClass;
					if (declaringSourceType.checkRedundantNullnessDefaultOne(methodDecl, methodDecl.annotations, nullDefaultBits, isJdk18)) {
						declaringSourceType.checkRedundantNullnessDefaultRecurse(methodDecl, methodDecl.annotations, nullDefaultBits, isJdk18);
					}
				}
			}
		}
	}
	return originalMethod.tagBits;
}
 

public AnnotationBinding[] getAnnotations() {
	if (this.declaringScope == null) {
		if ((this.tagBits & TagBits.AnnotationResolved) != 0) {
			// annotation are already resolved
			if (this.declaration == null) {
				return Binding.NO_ANNOTATIONS;
			}
			Annotation[] annotations = this.declaration.annotations;
			if (annotations != null) {
				int length = annotations.length;
				AnnotationBinding[] annotationBindings = new AnnotationBinding[length];
				for (int i = 0; i < length; i++) {
					AnnotationBinding compilerAnnotation = annotations[i].getCompilerAnnotation();
					if (compilerAnnotation == null) {
						return Binding.NO_ANNOTATIONS;
					}
					annotationBindings[i] = compilerAnnotation;
				}
				return annotationBindings;
			}
		}
		return Binding.NO_ANNOTATIONS;
	}
	SourceTypeBinding sourceType = this.declaringScope.enclosingSourceType();
	if (sourceType == null)
		return Binding.NO_ANNOTATIONS;

	if ((this.tagBits & TagBits.AnnotationResolved) == 0) {
		if (((this.tagBits & TagBits.IsArgument) != 0) && this.declaration != null) {
			Annotation[] annotationNodes = this.declaration.annotations;
			if (annotationNodes != null) {
				ASTNode.resolveAnnotations(this.declaringScope, annotationNodes, this, true);
			}
		}
	}
	return sourceType.retrieveAnnotations(this);
}
 

/**
 * @return the annotations for each of the method parameters or <code>null></code>
 * 	if there's no parameter or no annotation at all.
 */
public AnnotationBinding[][] getParameterAnnotations() {
	int length;
	if ((length = this.parameters.length) == 0) {
		return null;
	}
	MethodBinding originalMethod = original();
	AnnotationHolder holder = originalMethod.declaringClass.retrieveAnnotationHolder(originalMethod, true);
	AnnotationBinding[][] allParameterAnnotations = holder == null ? null : holder.getParameterAnnotations();
	if (allParameterAnnotations == null && (this.tagBits & TagBits.HasParameterAnnotations) != 0) {
		allParameterAnnotations = new AnnotationBinding[length][];
		// forward reference to method, where param annotations have not yet been associated to method
		if (this.declaringClass instanceof SourceTypeBinding) {
			SourceTypeBinding sourceType = (SourceTypeBinding) this.declaringClass;
			if (sourceType.scope != null) {
				AbstractMethodDeclaration methodDecl = sourceType.scope.referenceType().declarationOf(this);
				for (int i = 0; i < length; i++) {
					Argument argument = methodDecl.arguments[i];
					if (argument.annotations != null) {
						ASTNode.resolveAnnotations(methodDecl.scope, argument.annotations, argument.binding);
						allParameterAnnotations[i] = argument.binding.getAnnotations();
					} else {
						allParameterAnnotations[i] = Binding.NO_ANNOTATIONS;
					}
				}
			} else {
				for (int i = 0; i < length; i++) {
					allParameterAnnotations[i] = Binding.NO_ANNOTATIONS;
				}
			}
		} else {
			for (int i = 0; i < length; i++) {
				allParameterAnnotations[i] = Binding.NO_ANNOTATIONS;
			}
		}
		setParameterAnnotations(allParameterAnnotations);
	}
	return allParameterAnnotations;
}
 

/**
 * Compute the tagbits for standard annotations. For source types, these could require
 * lazily resolving corresponding annotation nodes, in case of forward references.
 * @see org.eclipse.jdt.internal.compiler.lookup.Binding#getAnnotationTagBits()
 */
public long getAnnotationTagBits() {
	FieldBinding originalField = original();
	if ((originalField.tagBits & TagBits.AnnotationResolved) == 0 && originalField.declaringClass instanceof SourceTypeBinding) {
		ClassScope scope = ((SourceTypeBinding) originalField.declaringClass).scope;
		if (scope == null) { // synthetic fields do not have a scope nor any annotations
			this.tagBits |= (TagBits.AnnotationResolved | TagBits.DeprecatedAnnotationResolved);
			return 0;
		}
		TypeDeclaration typeDecl = scope.referenceContext;
		FieldDeclaration fieldDecl = typeDecl.declarationOf(originalField);
		if (fieldDecl != null) {
			MethodScope initializationScope = isStatic() ? typeDecl.staticInitializerScope : typeDecl.initializerScope;
			FieldBinding previousField = initializationScope.initializedField;
			int previousFieldID = initializationScope.lastVisibleFieldID;
			try {
				initializationScope.initializedField = originalField;
				initializationScope.lastVisibleFieldID = originalField.id;
				ASTNode.resolveAnnotations(initializationScope, fieldDecl.annotations, originalField);
			} finally {
				initializationScope.initializedField = previousField;
				initializationScope.lastVisibleFieldID = previousFieldID;
			}
		}
	}
	return originalField.tagBits;
}