Java Code Examples for org.eclipse.jdt.core.dom.CompilationUnit#findDeclaringNode()

The following examples show how to use org.eclipse.jdt.core.dom.CompilationUnit#findDeclaringNode() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: ASTResolving.java    From Eclipse-Postfix-Code-Completion with Eclipse Public License 1.0 6 votes vote down vote up
public static ICompilationUnit findCompilationUnitForBinding(ICompilationUnit cu, CompilationUnit astRoot, ITypeBinding binding) throws JavaModelException {
	if (binding == null || !binding.isFromSource() || binding.isTypeVariable() || binding.isWildcardType()) {
		return null;
	}
	ASTNode node= astRoot.findDeclaringNode(binding.getTypeDeclaration());
	if (node == null) {
		ICompilationUnit targetCU= Bindings.findCompilationUnit(binding, cu.getJavaProject());
		if (targetCU != null) {
			return targetCU;
		}
		return null;
	} else if (node instanceof AbstractTypeDeclaration || node instanceof AnonymousClassDeclaration) {
		return cu;
	}
	return null;
}
 
Example 2
Source File: NewVariableCorrectionProposal.java    From eclipse.jdt.ls with Eclipse Public License 2.0 6 votes vote down vote up
private ASTRewrite doAddEnumConst(CompilationUnit astRoot) {
	SimpleName node= fOriginalNode;

	ASTNode newTypeDecl= astRoot.findDeclaringNode(fSenderBinding);
	if (newTypeDecl == null) {
		astRoot= ASTResolving.createQuickFixAST(getCompilationUnit(), null);
		newTypeDecl= astRoot.findDeclaringNode(fSenderBinding.getKey());
	}

	if (newTypeDecl != null) {
		AST ast= newTypeDecl.getAST();

		ASTRewrite rewrite= ASTRewrite.create(ast);

		EnumConstantDeclaration constDecl= ast.newEnumConstantDeclaration();
		constDecl.setName(ast.newSimpleName(node.getIdentifier()));

		ListRewrite listRewriter= rewrite.getListRewrite(newTypeDecl, EnumDeclaration.ENUM_CONSTANTS_PROPERTY);
		listRewriter.insertLast(constDecl, null);

		return rewrite;
	}
	return null;
}
 
Example 3
Source File: AddUnimplementedConstructorsOperation.java    From Eclipse-Postfix-Code-Completion with Eclipse Public License 1.0 6 votes vote down vote up
/**
 * Creates a new add unimplemented constructors operation.
 *
 * @param astRoot the compilation unit AST node
 * @param type the type to add the methods to
 * @param constructorsToImplement the method binding keys to implement
 * @param insertPos the insertion point, or <code>-1</code>
 * @param imports <code>true</code> if the import edits should be applied, <code>false</code> otherwise
 * @param apply <code>true</code> if the resulting edit should be applied, <code>false</code> otherwise
 * @param save <code>true</code> if the changed compilation unit should be saved, <code>false</code> otherwise
 */
public AddUnimplementedConstructorsOperation(CompilationUnit astRoot, ITypeBinding type, IMethodBinding[] constructorsToImplement, int insertPos, final boolean imports, final boolean apply, final boolean save) {
	if (astRoot == null || !(astRoot.getJavaElement() instanceof ICompilationUnit)) {
		throw new IllegalArgumentException("AST must not be null and has to be created from a ICompilationUnit"); //$NON-NLS-1$
	}
	if (type == null) {
		throw new IllegalArgumentException("The type must not be null"); //$NON-NLS-1$
	}
	ASTNode node= astRoot.findDeclaringNode(type);
	if (!(node instanceof AnonymousClassDeclaration || node instanceof AbstractTypeDeclaration)) {
		throw new IllegalArgumentException("type has to map to a type declaration in the AST"); //$NON-NLS-1$
	}

	fType= type;
	fInsertPos= insertPos;
	fASTRoot= astRoot;
	fConstructorsToImplement= constructorsToImplement;
	fSave= save;
	fApply= apply;
	fImports= imports;

	fCreateComments= StubUtility.doAddComments(astRoot.getJavaElement().getJavaProject());
	fVisibility= Modifier.PUBLIC;
	fOmitSuper= false;
}
 
Example 4
Source File: AddUnimplementedMethodsOperation.java    From Eclipse-Postfix-Code-Completion with Eclipse Public License 1.0 6 votes vote down vote up
/**
 * Creates a new add unimplemented methods operation.
 *
 * @param astRoot the compilation unit AST node
 * @param type the type to add the methods to
 * @param methodsToImplement the method bindings to implement or <code>null</code> to implement all unimplemented methods
 * 	@param insertPos the insertion point, or <code>-1</code>
 * @param imports <code>true</code> if the import edits should be applied, <code>false</code> otherwise
 * @param apply <code>true</code> if the resulting edit should be applied, <code>false</code> otherwise
 * @param save <code>true</code> if the changed compilation unit should be saved, <code>false</code> otherwise
 */
public AddUnimplementedMethodsOperation(CompilationUnit astRoot, ITypeBinding type, IMethodBinding[] methodsToImplement, int insertPos, final boolean imports, final boolean apply, final boolean save) {
	if (astRoot == null || !(astRoot.getJavaElement() instanceof ICompilationUnit)) {
		throw new IllegalArgumentException("AST must not be null and has to be created from a ICompilationUnit"); //$NON-NLS-1$
	}
	if (type == null) {
		throw new IllegalArgumentException("The type must not be null"); //$NON-NLS-1$
	}
	ASTNode node= astRoot.findDeclaringNode(type);
	if (!(node instanceof AnonymousClassDeclaration || node instanceof AbstractTypeDeclaration)) {
		throw new IllegalArgumentException("type has to map to a type declaration in the AST"); //$NON-NLS-1$
	}

	fType= type;
	fInsertPos= insertPos;
	fASTRoot= astRoot;
	fMethodsToImplement= methodsToImplement;
	fSave= save;
	fApply= apply;
	fImports= imports;

	fDoCreateComments= StubUtility.doAddComments(astRoot.getJavaElement().getJavaProject());
}
 
Example 5
Source File: MoveInnerToTopRefactoring.java    From Eclipse-Postfix-Code-Completion with Eclipse Public License 1.0 6 votes vote down vote up
private void addInheritedTypeQualifications(final AbstractTypeDeclaration declaration, final CompilationUnitRewrite targetRewrite, final TextEditGroup group) {
	Assert.isNotNull(declaration);
	Assert.isNotNull(targetRewrite);
	final CompilationUnit unit= (CompilationUnit) declaration.getRoot();
	final ITypeBinding binding= declaration.resolveBinding();
	if (binding != null) {
		Type type= null;
		if (declaration instanceof TypeDeclaration) {
			type= ((TypeDeclaration) declaration).getSuperclassType();
			if (type != null && unit.findDeclaringNode(binding) != null)
				addTypeQualification(type, targetRewrite, group);
		}
		List<Type> types= null;
		if (declaration instanceof TypeDeclaration)
			types= ((TypeDeclaration) declaration).superInterfaceTypes();
		else if (declaration instanceof EnumDeclaration)
			types= ((EnumDeclaration) declaration).superInterfaceTypes();
		if (types != null) {
			for (final Iterator<Type> iterator= types.iterator(); iterator.hasNext();) {
				type= iterator.next();
				if (unit.findDeclaringNode(type.resolveBinding()) != null)
					addTypeQualification(type, targetRewrite, group);
			}
		}
	}
}
 
Example 6
Source File: UnusedCodeFix.java    From Eclipse-Postfix-Code-Completion with Eclipse Public License 1.0 6 votes vote down vote up
@Override
public void rewriteAST(CompilationUnitRewrite cuRewrite, LinkedProposalModel linkedModel) throws CoreException {
	ASTRewrite rewrite= cuRewrite.getASTRewrite();
	IBinding binding= fUnusedName.resolveBinding();
	CompilationUnit root= (CompilationUnit) fUnusedName.getRoot();
	String displayString= FixMessages.UnusedCodeFix_RemoveUnusedTypeParameter_description;
	TextEditGroup group= createTextEditGroup(displayString, cuRewrite);

	if (binding.getKind() == IBinding.TYPE) {
		ITypeBinding decl= ((ITypeBinding) binding).getTypeDeclaration();
		ASTNode declaration= root.findDeclaringNode(decl);
		if (declaration.getParent() instanceof TypeDeclarationStatement) {
			declaration= declaration.getParent();
		}
		rewrite.remove(declaration, group);
	}
}
 
Example 7
Source File: UnresolvedElementsSubProcessor.java    From Eclipse-Postfix-Code-Completion with Eclipse Public License 1.0 5 votes vote down vote up
private static void addNewFieldProposals(ICompilationUnit cu, CompilationUnit astRoot, ITypeBinding binding, ITypeBinding declaringTypeBinding, SimpleName simpleName, boolean isWriteAccess, Collection<ICommandAccess> proposals) throws JavaModelException {
	// new variables
	ICompilationUnit targetCU;
	ITypeBinding senderDeclBinding;
	if (binding != null) {
		senderDeclBinding= binding.getTypeDeclaration();
		targetCU= ASTResolving.findCompilationUnitForBinding(cu, astRoot, senderDeclBinding);
	} else { // binding is null for accesses without qualifier
		senderDeclBinding= declaringTypeBinding;
		targetCU= cu;
	}

	if (!senderDeclBinding.isFromSource() || targetCU == null) {
		return;
	}

	boolean mustBeConst= ASTResolving.isInsideModifiers(simpleName);

	addNewFieldForType(targetCU, binding, senderDeclBinding, simpleName, isWriteAccess, mustBeConst, proposals);

	if (binding == null && senderDeclBinding.isNested()) {
		ASTNode anonymDecl= astRoot.findDeclaringNode(senderDeclBinding);
		if (anonymDecl != null) {
			ITypeBinding bind= Bindings.getBindingOfParentType(anonymDecl.getParent());
			if (!bind.isAnonymous()) {
				addNewFieldForType(targetCU, bind, bind, simpleName, isWriteAccess, mustBeConst, proposals);
			}
		}
	}
}
 
Example 8
Source File: UnresolvedElementsSubProcessor.java    From eclipse.jdt.ls with Eclipse Public License 2.0 5 votes vote down vote up
private static void addNewFieldProposals(ICompilationUnit cu, CompilationUnit astRoot, ITypeBinding binding,
		ITypeBinding declaringTypeBinding, SimpleName simpleName, boolean isWriteAccess,
		Collection<ChangeCorrectionProposal> proposals) throws JavaModelException {
	// new variables
	ICompilationUnit targetCU;
	ITypeBinding senderDeclBinding;
	if (binding != null) {
		senderDeclBinding= binding.getTypeDeclaration();
		targetCU= ASTResolving.findCompilationUnitForBinding(cu, astRoot, senderDeclBinding);
	} else { // binding is null for accesses without qualifier
		senderDeclBinding= declaringTypeBinding;
		targetCU= cu;
	}

	if (!senderDeclBinding.isFromSource() || targetCU == null) {
		return;
	}

	boolean mustBeConst= ASTResolving.isInsideModifiers(simpleName);

	addNewFieldForType(targetCU, binding, senderDeclBinding, simpleName, isWriteAccess, mustBeConst, proposals);

	if (binding == null && senderDeclBinding.isNested()) {
		ASTNode anonymDecl= astRoot.findDeclaringNode(senderDeclBinding);
		if (anonymDecl != null) {
			ITypeBinding bind= Bindings.getBindingOfParentType(anonymDecl.getParent());
			if (!bind.isAnonymous()) {
				addNewFieldForType(targetCU, bind, bind, simpleName, isWriteAccess, mustBeConst, proposals);
			}
		}
	}
}
 
Example 9
Source File: NewAnnotationMemberProposal.java    From eclipse.jdt.ls with Eclipse Public License 2.0 5 votes vote down vote up
@Override
protected ASTRewrite getRewrite() throws CoreException {
	CompilationUnit astRoot= ASTResolving.findParentCompilationUnit(fInvocationNode);
	ASTNode typeDecl= astRoot.findDeclaringNode(fSenderBinding);
	ASTNode newTypeDecl= null;
	if (typeDecl != null) {
		newTypeDecl= typeDecl;
	} else {
		astRoot= ASTResolving.createQuickFixAST(getCompilationUnit(), null);
		newTypeDecl= astRoot.findDeclaringNode(fSenderBinding.getKey());
	}
	createImportRewrite(astRoot);

	if (newTypeDecl instanceof AnnotationTypeDeclaration) {
		AnnotationTypeDeclaration newAnnotationTypeDecl= (AnnotationTypeDeclaration) newTypeDecl;

		ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());

		AnnotationTypeMemberDeclaration newStub= getStub(rewrite, newAnnotationTypeDecl);

		List<BodyDeclaration> members= newAnnotationTypeDecl.bodyDeclarations();
		int insertIndex= members.size();

		ListRewrite listRewriter= rewrite.getListRewrite(newAnnotationTypeDecl, AnnotationTypeDeclaration.BODY_DECLARATIONS_PROPERTY);
		listRewriter.insertAt(newStub, insertIndex, null);

		return rewrite;
	}
	return null;
}
 
Example 10
Source File: ChangeMethodSignatureProposal.java    From Eclipse-Postfix-Code-Completion with Eclipse Public License 1.0 5 votes vote down vote up
@Override
protected ASTRewrite getRewrite() throws CoreException {
	CompilationUnit astRoot= (CompilationUnit) fInvocationNode.getRoot();
	ASTNode methodDecl= astRoot.findDeclaringNode(fSenderBinding);
	ASTNode newMethodDecl= null;
	if (methodDecl != null) {
		newMethodDecl= methodDecl;
	} else {
		astRoot= ASTResolving.createQuickFixAST(getCompilationUnit(), null);
		newMethodDecl= astRoot.findDeclaringNode(fSenderBinding.getKey());
	}
	createImportRewrite(astRoot);

	if (newMethodDecl instanceof MethodDeclaration) {
		MethodDeclaration decl= (MethodDeclaration) newMethodDecl;

		ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());
		if (fParameterChanges != null) {
			modifyParameters(rewrite, decl);
		}
		if (fExceptionChanges != null) {
			modifyExceptions(rewrite, decl);
		}
		return rewrite;
	}
	return null;
}
 
Example 11
Source File: NewAnnotationMemberProposal.java    From Eclipse-Postfix-Code-Completion with Eclipse Public License 1.0 5 votes vote down vote up
@Override
protected ASTRewrite getRewrite() throws CoreException {
	CompilationUnit astRoot= ASTResolving.findParentCompilationUnit(fInvocationNode);
	ASTNode typeDecl= astRoot.findDeclaringNode(fSenderBinding);
	ASTNode newTypeDecl= null;
	if (typeDecl != null) {
		newTypeDecl= typeDecl;
	} else {
		astRoot= ASTResolving.createQuickFixAST(getCompilationUnit(), null);
		newTypeDecl= astRoot.findDeclaringNode(fSenderBinding.getKey());
	}
	createImportRewrite(astRoot);

	if (newTypeDecl instanceof AnnotationTypeDeclaration) {
		AnnotationTypeDeclaration newAnnotationTypeDecl= (AnnotationTypeDeclaration) newTypeDecl;
		
		ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());

		AnnotationTypeMemberDeclaration newStub= getStub(rewrite, newAnnotationTypeDecl);

		List<BodyDeclaration> members= newAnnotationTypeDecl.bodyDeclarations();
		int insertIndex= members.size();

		ListRewrite listRewriter= rewrite.getListRewrite(newAnnotationTypeDecl, AnnotationTypeDeclaration.BODY_DECLARATIONS_PROPERTY);
		listRewriter.insertAt(newStub, insertIndex, null);

		return rewrite;
	}
	return null;
}
 
Example 12
Source File: AbstractMethodCorrectionProposal.java    From Eclipse-Postfix-Code-Completion with Eclipse Public License 1.0 5 votes vote down vote up
@Override
protected ASTRewrite getRewrite() throws CoreException {
	CompilationUnit astRoot= ASTResolving.findParentCompilationUnit(fNode);
	ASTNode typeDecl= astRoot.findDeclaringNode(fSenderBinding);
	ASTNode newTypeDecl= null;
	boolean isInDifferentCU;
	if (typeDecl != null) {
		isInDifferentCU= false;
		newTypeDecl= typeDecl;
	} else {
		isInDifferentCU= true;
		astRoot= ASTResolving.createQuickFixAST(getCompilationUnit(), null);
		newTypeDecl= astRoot.findDeclaringNode(fSenderBinding.getKey());
	}
	createImportRewrite(astRoot);

	if (newTypeDecl != null) {
		ASTRewrite rewrite= ASTRewrite.create(astRoot.getAST());

		MethodDeclaration newStub= getStub(rewrite, newTypeDecl);

		ChildListPropertyDescriptor property= ASTNodes.getBodyDeclarationsProperty(newTypeDecl);
		List<BodyDeclaration> members= ASTNodes.getBodyDeclarations(newTypeDecl);

		int insertIndex;
		if (isConstructor()) {
			insertIndex= findConstructorInsertIndex(members);
		} else if (!isInDifferentCU) {
			insertIndex= findMethodInsertIndex(members, fNode.getStartPosition());
		} else {
			insertIndex= members.size();
		}
		ListRewrite listRewriter= rewrite.getListRewrite(newTypeDecl, property);
		listRewriter.insertAt(newStub, insertIndex, null);

		return rewrite;
	}
	return null;
}
 
Example 13
Source File: Utils.java    From txtUML with Eclipse Public License 1.0 5 votes vote down vote up
private static Block getMethodBody(IMethodBinding binding) {
	try {
		CompilationUnit cu = getCompilationUnit(binding);
		MethodDeclaration decl = (MethodDeclaration) cu.findDeclaringNode(binding.getKey());
		Block body = decl.getBody();
		return body;
	} catch (NullPointerException ex) {
		return null;
	}
}
 
Example 14
Source File: Utils.java    From txtUML with Eclipse Public License 1.0 5 votes vote down vote up
public static Type getReturnTypeFromInvocation(MethodInvocation methodInvocation) {
	IMethodBinding binding = methodInvocation.resolveMethodBinding();
	try {
		CompilationUnit cu = getCompilationUnit(binding);
		MethodDeclaration decl = (MethodDeclaration) cu.findDeclaringNode(binding.getKey());
		Type returnType = decl.getReturnType2();
		return returnType;
	} catch (NullPointerException ex) {
		return null;
	}
}
 
Example 15
Source File: TempDeclarationFinder.java    From Eclipse-Postfix-Code-Completion with Eclipse Public License 1.0 5 votes vote down vote up
/**
 * @return <code>null</code> if the selection is invalid or does not cover a temp
 * declaration or reference.
 */
public static VariableDeclaration findTempDeclaration(CompilationUnit cu, int selectionOffset, int selectionLength) {
	TempSelectionAnalyzer analyzer= new TempSelectionAnalyzer(selectionOffset, selectionLength);
	cu.accept(analyzer);

	ASTNode[] selected= analyzer.getSelectedNodes();
	if (selected == null || selected.length != 1)
		return null;

	ASTNode selectedNode= selected[0];
	if (selectedNode instanceof VariableDeclaration)
		return (VariableDeclaration)selectedNode;

	if (selectedNode instanceof Name){
		Name reference= (Name)selectedNode;
		IBinding binding= reference.resolveBinding();
		if (binding == null)
			return null;
		ASTNode declaringNode= cu.findDeclaringNode(binding);
		if (declaringNode instanceof VariableDeclaration)
			return (VariableDeclaration)declaringNode;
		else
			return null;
	} else if (selectedNode instanceof VariableDeclarationStatement){
		VariableDeclarationStatement vds= (VariableDeclarationStatement)selectedNode;
		if (vds.fragments().size() != 1)
			return null;
		return (VariableDeclaration)vds.fragments().get(0);
	}
	return null;
}
 
Example 16
Source File: QuickAssistProcessor.java    From eclipse.jdt.ls with Eclipse Public License 2.0 4 votes vote down vote up
private static boolean getAssignParamToFieldProposals(IInvocationContext context, ASTNode node, Collection<ChangeCorrectionProposal> resultingCollections) {
	node = ASTNodes.getNormalizedNode(node);
	ASTNode parent = node.getParent();
	if (!(parent instanceof SingleVariableDeclaration) || !(parent.getParent() instanceof MethodDeclaration)) {
		return false;
	}
	SingleVariableDeclaration paramDecl = (SingleVariableDeclaration) parent;
	IVariableBinding binding = paramDecl.resolveBinding();

	MethodDeclaration methodDecl = (MethodDeclaration) parent.getParent();
	if (binding == null || methodDecl.getBody() == null) {
		return false;
	}
	ITypeBinding typeBinding = binding.getType();
	if (typeBinding == null) {
		return false;
	}

	if (resultingCollections == null) {
		return true;
	}

	ITypeBinding parentType = Bindings.getBindingOfParentType(node);
	if (parentType != null) {
		if (parentType.isInterface()) {
			return false;
		}
		// assign to existing fields
		CompilationUnit root = context.getASTRoot();
		IVariableBinding[] declaredFields = parentType.getDeclaredFields();
		boolean isStaticContext = ASTResolving.isInStaticContext(node);
		for (int i = 0; i < declaredFields.length; i++) {
			IVariableBinding curr = declaredFields[i];
			if (isStaticContext == Modifier.isStatic(curr.getModifiers()) && typeBinding.isAssignmentCompatible(curr.getType())) {
				ASTNode fieldDeclFrag = root.findDeclaringNode(curr);
				if (fieldDeclFrag instanceof VariableDeclarationFragment) {
					VariableDeclarationFragment fragment = (VariableDeclarationFragment) fieldDeclFrag;
					if (fragment.getInitializer() == null) {
						resultingCollections.add(new AssignToVariableAssistProposal(context.getCompilationUnit(), paramDecl, fragment, typeBinding, IProposalRelevance.ASSIGN_PARAM_TO_EXISTING_FIELD));
					}
				}
			}
		}
	}

	AssignToVariableAssistProposal fieldProposal = new AssignToVariableAssistProposal(context.getCompilationUnit(), paramDecl, null, typeBinding, IProposalRelevance.ASSIGN_PARAM_TO_NEW_FIELD);
	resultingCollections.add(fieldProposal);
	return true;
}
 
Example 17
Source File: RefactorProcessor.java    From eclipse.jdt.ls with Eclipse Public License 2.0 4 votes vote down vote up
private static boolean getConvertVarTypeToResolvedTypeProposal(IInvocationContext context, ASTNode node, Collection<ChangeCorrectionProposal> proposals) {
	CompilationUnit astRoot = context.getASTRoot();
	IJavaElement root = astRoot.getJavaElement();
	if (root == null) {
		return false;
	}
	IJavaProject javaProject = root.getJavaProject();
	if (javaProject == null) {
		return false;
	}
	if (!JavaModelUtil.is10OrHigher(javaProject)) {
		return false;
	}

	if (!(node instanceof SimpleName)) {
		return false;
	}
	SimpleName name = (SimpleName) node;
	IBinding binding = name.resolveBinding();
	if (!(binding instanceof IVariableBinding)) {
		return false;
	}
	IVariableBinding varBinding = (IVariableBinding) binding;
	if (varBinding.isField() || varBinding.isParameter()) {
		return false;
	}

	ASTNode varDeclaration = astRoot.findDeclaringNode(varBinding);
	if (varDeclaration == null) {
		return false;
	}

	ITypeBinding typeBinding = varBinding.getType();
	if (typeBinding == null || typeBinding.isAnonymous() || typeBinding.isIntersectionType() || typeBinding.isWildcardType()) {
		return false;
	}

	Type type = null;
	if (varDeclaration instanceof SingleVariableDeclaration) {
		type = ((SingleVariableDeclaration) varDeclaration).getType();
	} else if (varDeclaration instanceof VariableDeclarationFragment) {
		ASTNode parent = varDeclaration.getParent();
		if (parent instanceof VariableDeclarationStatement) {
			type = ((VariableDeclarationStatement) parent).getType();
		} else if (parent instanceof VariableDeclarationExpression) {
			type = ((VariableDeclarationExpression) parent).getType();
		}
	}
	if (type == null || !type.isVar()) {
		return false;
	}

	TypeChangeCorrectionProposal proposal = new TypeChangeCorrectionProposal(context.getCompilationUnit(), varBinding, astRoot, typeBinding, false, IProposalRelevance.CHANGE_VARIABLE);
	proposal.setKind(CodeActionKind.Refactor);
	proposals.add(proposal);
	return true;
}
 
Example 18
Source File: UnresolvedElementsSubProcessor.java    From eclipse.jdt.ls with Eclipse Public License 2.0 4 votes vote down vote up
private static void addNewMethodProposals(ICompilationUnit cu, CompilationUnit astRoot, Expression sender,
		List<Expression> arguments, boolean isSuperInvocation, ASTNode invocationNode, String methodName,
		Collection<ChangeCorrectionProposal> proposals) throws JavaModelException {
	ITypeBinding nodeParentType= Bindings.getBindingOfParentType(invocationNode);
	ITypeBinding binding= null;
	if (sender != null) {
		binding= sender.resolveTypeBinding();
	} else {
		binding= nodeParentType;
		if (isSuperInvocation && binding != null) {
			binding= binding.getSuperclass();
		}
	}
	if (binding != null && binding.isFromSource()) {
		ITypeBinding senderDeclBinding= binding.getTypeDeclaration();

		ICompilationUnit targetCU= ASTResolving.findCompilationUnitForBinding(cu, astRoot, senderDeclBinding);
		if (targetCU != null) {
			String label;
			ITypeBinding[] parameterTypes= getParameterTypes(arguments);
			if (parameterTypes != null) {
				String sig = org.eclipse.jdt.ls.core.internal.corrections.ASTResolving.getMethodSignature(methodName, parameterTypes, false);
				boolean is18OrHigher= JavaModelUtil.is18OrHigher(targetCU.getJavaProject());

				boolean isSenderBindingInterface= senderDeclBinding.isInterface();
				if (nodeParentType == senderDeclBinding) {
					label= Messages.format(CorrectionMessages.UnresolvedElementsSubProcessor_createmethod_description, sig);
				} else {
					label= Messages.format(CorrectionMessages.UnresolvedElementsSubProcessor_createmethod_other_description, new Object[] { sig, BasicElementLabels.getJavaElementName(senderDeclBinding.getName()) } );
				}
				if (is18OrHigher || !isSenderBindingInterface
						|| (nodeParentType != senderDeclBinding && (!(sender instanceof SimpleName) || !((SimpleName) sender).getIdentifier().equals(senderDeclBinding.getName())))) {
					proposals.add(new NewMethodCorrectionProposal(label, targetCU, invocationNode, arguments,
							senderDeclBinding, IProposalRelevance.CREATE_METHOD));
				}

				if (senderDeclBinding.isNested() && cu.equals(targetCU) && sender == null && Bindings.findMethodInHierarchy(senderDeclBinding, methodName, (ITypeBinding[]) null) == null) { // no covering method
					ASTNode anonymDecl= astRoot.findDeclaringNode(senderDeclBinding);
					if (anonymDecl != null) {
						senderDeclBinding= Bindings.getBindingOfParentType(anonymDecl.getParent());
						isSenderBindingInterface= senderDeclBinding.isInterface();
						if (!senderDeclBinding.isAnonymous()) {
							if (is18OrHigher || !isSenderBindingInterface) {
								String[] args = new String[] { sig,
										org.eclipse.jdt.ls.core.internal.corrections.ASTResolving.getTypeSignature(senderDeclBinding) };
								label= Messages.format(CorrectionMessages.UnresolvedElementsSubProcessor_createmethod_other_description, args);
								proposals.add(new NewMethodCorrectionProposal(label, targetCU, invocationNode,
										arguments, senderDeclBinding, IProposalRelevance.CREATE_METHOD));
							}
						}
					}
				}
			}
		}
	}
}
 
Example 19
Source File: ModifierChangeCorrectionProposal.java    From Eclipse-Postfix-Code-Completion with Eclipse Public License 1.0 4 votes vote down vote up
@Override
protected ASTRewrite getRewrite() throws CoreException {
	CompilationUnit astRoot= ASTResolving.findParentCompilationUnit(fNode);
	ASTNode boundNode= astRoot.findDeclaringNode(fBinding);
	ASTNode declNode= null;

	if (boundNode != null) {
		declNode= boundNode; // is same CU
	} else {
		//setSelectionDescription(selectionDescription);
		CompilationUnit newRoot= ASTResolving.createQuickFixAST(getCompilationUnit(), null);
		declNode= newRoot.findDeclaringNode(fBinding.getKey());
	}
	if (declNode != null) {
		AST ast= declNode.getAST();
		ASTRewrite rewrite= ASTRewrite.create(ast);

		if (declNode.getNodeType() == ASTNode.VARIABLE_DECLARATION_FRAGMENT) {
			VariableDeclarationFragment fragment= (VariableDeclarationFragment)declNode;
			ASTNode parent= declNode.getParent();
			if (parent instanceof FieldDeclaration) {
				FieldDeclaration fieldDecl= (FieldDeclaration) parent;
				if (fieldDecl.fragments().size() > 1 && (fieldDecl.getParent() instanceof AbstractTypeDeclaration)) { // split
					VariableDeclarationRewrite.rewriteModifiers(fieldDecl, new VariableDeclarationFragment[] {fragment}, fIncludedModifiers, fExcludedModifiers, rewrite, null);
					return rewrite;
				}
			} else if (parent instanceof VariableDeclarationStatement) {
				VariableDeclarationStatement varDecl= (VariableDeclarationStatement) parent;
				if (varDecl.fragments().size() > 1 && (varDecl.getParent() instanceof Block)) { // split
					VariableDeclarationRewrite.rewriteModifiers(varDecl, new VariableDeclarationFragment[] {fragment}, fIncludedModifiers, fExcludedModifiers, rewrite, null);
					return rewrite;
				}
			} else if (parent instanceof VariableDeclarationExpression) {
				// can't separate
			}
			declNode= parent;
		} else if (declNode.getNodeType() == ASTNode.METHOD_DECLARATION) {
			MethodDeclaration methodDecl= (MethodDeclaration) declNode;
			if (!methodDecl.isConstructor()) {
				IMethodBinding methodBinding= methodDecl.resolveBinding();
				if (methodDecl.getBody() == null && methodBinding != null && Modifier.isAbstract(methodBinding.getModifiers()) && Modifier.isStatic(fIncludedModifiers)) {
					// add body
					ICompilationUnit unit= getCompilationUnit();
					String delimiter= unit.findRecommendedLineSeparator();
					String bodyStatement= ""; //$NON-NLS-1$
					
					Block body= ast.newBlock();
					rewrite.set(methodDecl, MethodDeclaration.BODY_PROPERTY, body, null);
					Type returnType= methodDecl.getReturnType2();
					if (returnType != null) {
						Expression expression= ASTNodeFactory.newDefaultExpression(ast, returnType, methodDecl.getExtraDimensions());
						if (expression != null) {
							ReturnStatement returnStatement= ast.newReturnStatement();
							returnStatement.setExpression(expression);
							bodyStatement= ASTNodes.asFormattedString(returnStatement, 0, delimiter, unit.getJavaProject().getOptions(true));
						}
					}
					String placeHolder= CodeGeneration.getMethodBodyContent(unit, methodBinding.getDeclaringClass().getName(), methodBinding.getName(), false, bodyStatement, delimiter);
					if (placeHolder != null) {
						ReturnStatement todoNode= (ReturnStatement) rewrite.createStringPlaceholder(placeHolder, ASTNode.RETURN_STATEMENT);
						body.statements().add(todoNode);
					}
				}
			}
		}
		ModifierRewrite listRewrite= ModifierRewrite.create(rewrite, declNode);
		PositionInformation trackedDeclNode= listRewrite.setModifiers(fIncludedModifiers, fExcludedModifiers, null);
		
		LinkedProposalPositionGroup positionGroup= new LinkedProposalPositionGroup("group"); //$NON-NLS-1$
		positionGroup.addPosition(trackedDeclNode);
		getLinkedProposalModel().addPositionGroup(positionGroup);
		
		if (boundNode != null) {
			// only set end position if in same CU
			setEndPosition(rewrite.track(fNode));
		}
		return rewrite;
	}
	return null;
}
 
Example 20
Source File: ModifierChangeCorrectionProposal.java    From eclipse.jdt.ls with Eclipse Public License 2.0 4 votes vote down vote up
@Override
protected ASTRewrite getRewrite() throws CoreException {
	CompilationUnit astRoot = ASTResolving.findParentCompilationUnit(fNode);
	ASTNode boundNode = astRoot.findDeclaringNode(fBinding);
	ASTNode declNode = null;

	if (boundNode != null) {
		declNode = boundNode; // is same CU
	} else {
		//setSelectionDescription(selectionDescription);
		CompilationUnit newRoot = ASTResolving.createQuickFixAST(getCompilationUnit(), null);
		declNode = newRoot.findDeclaringNode(fBinding.getKey());
	}
	if (declNode != null) {
		AST ast = declNode.getAST();
		ASTRewrite rewrite = ASTRewrite.create(ast);

		if (declNode.getNodeType() == ASTNode.VARIABLE_DECLARATION_FRAGMENT) {
			VariableDeclarationFragment fragment = (VariableDeclarationFragment) declNode;
			ASTNode parent = declNode.getParent();
			if (parent instanceof FieldDeclaration) {
				FieldDeclaration fieldDecl = (FieldDeclaration) parent;
				if (fieldDecl.fragments().size() > 1 && (fieldDecl.getParent() instanceof AbstractTypeDeclaration)) { // split
					VariableDeclarationRewrite.rewriteModifiers(fieldDecl, new VariableDeclarationFragment[] { fragment }, fIncludedModifiers, fExcludedModifiers, rewrite, null);
					return rewrite;
				}
			} else if (parent instanceof VariableDeclarationStatement) {
				VariableDeclarationStatement varDecl = (VariableDeclarationStatement) parent;
				if (varDecl.fragments().size() > 1 && (varDecl.getParent() instanceof Block)) { // split
					VariableDeclarationRewrite.rewriteModifiers(varDecl, new VariableDeclarationFragment[] { fragment }, fIncludedModifiers, fExcludedModifiers, rewrite, null);
					return rewrite;
				}
			} else if (parent instanceof VariableDeclarationExpression) {
				// can't separate
			}
			declNode = parent;
		} else if (declNode.getNodeType() == ASTNode.METHOD_DECLARATION) {
			MethodDeclaration methodDecl = (MethodDeclaration) declNode;
			if (!methodDecl.isConstructor()) {
				IMethodBinding methodBinding = methodDecl.resolveBinding();
				if (methodDecl.getBody() == null && methodBinding != null && Modifier.isAbstract(methodBinding.getModifiers()) && Modifier.isStatic(fIncludedModifiers)) {
					// add body
					ICompilationUnit unit = getCompilationUnit();
					String delimiter = unit.findRecommendedLineSeparator();
					String bodyStatement = ""; //$NON-NLS-1$

					Block body = ast.newBlock();
					rewrite.set(methodDecl, MethodDeclaration.BODY_PROPERTY, body, null);
					Type returnType = methodDecl.getReturnType2();
					if (returnType != null) {
						Expression expression = ASTNodeFactory.newDefaultExpression(ast, returnType, methodDecl.getExtraDimensions());
						if (expression != null) {
							ReturnStatement returnStatement = ast.newReturnStatement();
							returnStatement.setExpression(expression);
							bodyStatement = ASTNodes.asFormattedString(returnStatement, 0, delimiter, unit.getJavaProject().getOptions(true));
						}
					}
					String placeHolder = CodeGeneration.getMethodBodyContent(unit, methodBinding.getDeclaringClass().getName(), methodBinding.getName(), false, bodyStatement, delimiter);
					if (placeHolder != null) {
						ReturnStatement todoNode = (ReturnStatement) rewrite.createStringPlaceholder(placeHolder, ASTNode.RETURN_STATEMENT);
						body.statements().add(todoNode);
					}
				}
			}
		}
		ModifierRewrite listRewrite = ModifierRewrite.create(rewrite, declNode);
		PositionInformation trackedDeclNode = listRewrite.setModifiers(fIncludedModifiers, fExcludedModifiers, null);

		LinkedProposalPositionGroupCore positionGroup = new LinkedProposalPositionGroupCore("group"); //$NON-NLS-1$
		positionGroup.addPosition(trackedDeclNode);
		getLinkedProposalModel().addPositionGroup(positionGroup);

		if (boundNode != null) {
			// only set end position if in same CU
			setEndPosition(rewrite.track(fNode));
		}
		return rewrite;
	}
	return null;
}