org.eclipse.jdt.core.dom.IVariableBinding#getDeclaringMethod ( )源码实例Demo

private IBinding getEnclosingDeclaration(ASTNode node) {
	while (node != null) {
		if (node instanceof AbstractTypeDeclaration) {
			return ((AbstractTypeDeclaration) node).resolveBinding();
		} else if (node instanceof AnonymousClassDeclaration) {
			return ((AnonymousClassDeclaration) node).resolveBinding();
		} else if (node instanceof MethodDeclaration) {
			return ((MethodDeclaration) node).resolveBinding();
		} else if (node instanceof FieldDeclaration) {
			List<?> fragments = ((FieldDeclaration) node).fragments();
			if (fragments.size() > 0) {
				return ((VariableDeclarationFragment) fragments.get(0)).resolveBinding();
			}
		} else if (node instanceof VariableDeclarationFragment) {
			IVariableBinding variableBinding = ((VariableDeclarationFragment) node).resolveBinding();
			if (variableBinding.getDeclaringMethod() != null || variableBinding.getDeclaringClass() != null) {
				return variableBinding;
				// workaround for incomplete wiring of DOM bindings: keep searching when variableBinding is unparented
			}
		}
		node = node.getParent();
	}
	return null;
}
 

private static boolean isVariableDefinedInContext(IBinding binding, ITypeBinding typeVariable) {
	if (binding.getKind() == IBinding.VARIABLE) {
		IVariableBinding var= (IVariableBinding) binding;
		binding= var.getDeclaringMethod();
		if (binding == null) {
			binding= var.getDeclaringClass();
		}
	}
	if (binding instanceof IMethodBinding) {
		if (binding == typeVariable.getDeclaringMethod()) {
			return true;
		}
		binding= ((IMethodBinding) binding).getDeclaringClass();
	}

	while (binding instanceof ITypeBinding) {
		if (binding == typeVariable.getDeclaringClass()) {
			return true;
		}
		if (Modifier.isStatic(binding.getModifiers())) {
			break;
		}
		binding= ((ITypeBinding) binding).getDeclaringClass();
	}
	return false;
}
 

private static void getLocalVariableLabel(IVariableBinding binding, long flags, StringBuffer buffer) {
	if (((flags & JavaElementLabels.F_PRE_TYPE_SIGNATURE) != 0)) {
		getTypeLabel(binding.getType(), (flags & JavaElementLabels.T_TYPE_PARAMETERS), buffer);
		buffer.append(' ');
	}
	if (((flags & JavaElementLabels.F_FULLY_QUALIFIED) != 0)) {
		IMethodBinding declaringMethod= binding.getDeclaringMethod();
		if (declaringMethod != null) {
			getMethodLabel(declaringMethod, flags, buffer);
			buffer.append('.');
		}
	}
	buffer.append(binding.getName());
	if (((flags & JavaElementLabels.F_APP_TYPE_SIGNATURE) != 0)) {
		buffer.append(JavaElementLabels.DECL_STRING);
		getTypeLabel(binding.getType(), (flags & JavaElementLabels.T_TYPE_PARAMETERS), buffer);
	}
}
 

@Override
public Change createChange(IProgressMonitor pm) throws CoreException {
	try {
		pm.beginTask(RefactoringCoreMessages.InlineTempRefactoring_preview, 2);
		final Map<String, String> arguments= new HashMap<String, String>();
		String project= null;
		IJavaProject javaProject= fCu.getJavaProject();
		if (javaProject != null)
			project= javaProject.getElementName();

		final IVariableBinding binding= getVariableDeclaration().resolveBinding();
		String text= null;
		final IMethodBinding method= binding.getDeclaringMethod();
		if (method != null)
			text= BindingLabelProvider.getBindingLabel(method, JavaElementLabels.ALL_FULLY_QUALIFIED);
		else
			text= BasicElementLabels.getJavaElementName('{' + JavaElementLabels.ELLIPSIS_STRING + '}');
		final String description= Messages.format(RefactoringCoreMessages.InlineTempRefactoring_descriptor_description_short, BasicElementLabels.getJavaElementName(binding.getName()));
		final String header= Messages.format(RefactoringCoreMessages.InlineTempRefactoring_descriptor_description, new String[] { BindingLabelProvider.getBindingLabel(binding, JavaElementLabels.ALL_FULLY_QUALIFIED), text});
		final JDTRefactoringDescriptorComment comment= new JDTRefactoringDescriptorComment(project, this, header);
		comment.addSetting(Messages.format(RefactoringCoreMessages.InlineTempRefactoring_original_pattern, BindingLabelProvider.getBindingLabel(binding, JavaElementLabels.ALL_FULLY_QUALIFIED)));
		final InlineLocalVariableDescriptor descriptor= RefactoringSignatureDescriptorFactory.createInlineLocalVariableDescriptor(project, description, comment.asString(), arguments, RefactoringDescriptor.NONE);
		arguments.put(JavaRefactoringDescriptorUtil.ATTRIBUTE_INPUT, JavaRefactoringDescriptorUtil.elementToHandle(project, fCu));
		arguments.put(JavaRefactoringDescriptorUtil.ATTRIBUTE_SELECTION, String.valueOf(fSelectionStart) + ' ' + String.valueOf(fSelectionLength));

		CompilationUnitRewrite cuRewrite= new CompilationUnitRewrite(fCu, fASTRoot);

		inlineTemp(cuRewrite);
		removeTemp(cuRewrite);

		final CompilationUnitChange result= cuRewrite.createChange(RefactoringCoreMessages.InlineTempRefactoring_inline, false, new SubProgressMonitor(pm, 1));
		result.setDescriptor(new RefactoringChangeDescriptor(descriptor));
		return result;
	} finally {
		pm.done();
	}
}