Java Code Examples for org.eclipse.jdt.core.dom.SimpleName#getStartPosition()

The following examples show how to use org.eclipse.jdt.core.dom.SimpleName#getStartPosition() . 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
@Override
public IRegion getHoverRegion(ITextViewer textViewer, int offset) {
	if (!(getEditor() instanceof JavaEditor))
		return null;

	ITypeRoot je= getEditorInputJavaElement();
	if (je == null)
		return null;

	// Never wait for an AST in UI thread.
	CompilationUnit ast= SharedASTProvider.getAST(je, SharedASTProvider.WAIT_NO, null);
	if (ast == null)
		return null;

	ASTNode node= NodeFinder.perform(ast, offset, 1);
	if (node instanceof StringLiteral) {
		StringLiteral stringLiteral= (StringLiteral)node;
		return new Region(stringLiteral.getStartPosition(), stringLiteral.getLength());
	} else if (node instanceof SimpleName) {
		SimpleName simpleName= (SimpleName)node;
		return new Region(simpleName.getStartPosition(), simpleName.getLength());
	}

	return null;
}
 
Example 2
Source Project: JDeodorant   File: ConditionalLoop.java    License: MIT License 6 votes vote down vote up
private static List<ASTNode> getAllVariableModifiersInParentBlock(SimpleName variable, Block block)
{
	List<ASTNode> bodyVariableModifiers = new ArrayList<ASTNode>();
	ExpressionExtractor expressionExtractor = new ExpressionExtractor();
	bodyVariableModifiers.addAll(expressionExtractor.getAssignments(block));
	// remove all variable updaters that are not modifying the specified variable or are after the position of the variable in use
	Iterator<ASTNode> it = bodyVariableModifiers.iterator();
	while (it.hasNext())
	{
		ASTNode currentNode = it.next();
		if (currentNode instanceof Expression)
		{
			Expression currentExpression = (Expression) currentNode;
			if (!AbstractLoopUtilities.isUpdatingVariable(currentExpression, variable) || currentExpression.getStartPosition() >= variable.getStartPosition())
			{
				it.remove();
			}
		}
	}
	return bodyVariableModifiers;
}
 
Example 3
private MethodDecl getMethodDecl(MethodDeclaration node) {
    String qualifiedTypeName = currentPackage + "."
            + Joiner.on(".").skipNulls().join(typesInFile);
    SimpleName nameNode = node.getName();
    String methodName = nameNode.toString();
    String returnType = "";
    if (node.getReturnType2() != null) {
        returnType = getNameOfType(node.getReturnType2());
    }

    Map<String, String> params = new HashMap<>();
    for (Object p : node.parameters()) {
        if (p instanceof SingleVariableDeclaration) {

            SingleVariableDeclaration svd = (SingleVariableDeclaration) p;
            String varName = svd.getName().toString();
            Type type = svd.getType();
            String typeName = getNameOfType(type);

            params.put(varName, typeName);
        } else {
            System.err.println("Unxepected AST node type for param - " + p);
        }

    }
    return new MethodDecl(methodName, qualifiedTypeName, returnType, nameNode
            .getStartPosition(), params);
}
 
Example 4
private boolean isInRemoved(SimpleName ref, List<int[]> removedStartsEnds) {
	int start= ref.getStartPosition();
	int end= start + ref.getLength();
	for (int[] removedStartsEnd : removedStartsEnds) {
		if (start >= removedStartsEnd[0] && end <= removedStartsEnd[1]) {
			return true;
		}
	}
	return false;
}
 
Example 5
private static int getNameNodeProblemKind(IProblem[] problems, SimpleName nameNode) {
	int nameOffset= nameNode.getStartPosition();
	int nameInclEnd= nameOffset + nameNode.getLength() - 1;

	for (int i= 0; i < problems.length; i++) {
		IProblem curr= problems[i];
		if (curr.getSourceStart() == nameOffset && curr.getSourceEnd() == nameInclEnd) {
			int kind= getProblemKind(curr);
			if (kind != 0) {
				return kind;
			}
		}
	}
	return 0;
}
 
Example 6
Source Project: JDeodorant   File: PreconditionExaminer.java    License: MIT License 5 votes vote down vote up
private boolean isInsideDifference(SimpleName simpleName, Expression difference) {
	int startOffset = simpleName.getStartPosition();
	int endOffset = simpleName.getStartPosition() + simpleName.getLength();
	int differenceStartOffset = difference.getStartPosition();
	int differenceEndOffset = difference.getStartPosition() + difference.getLength();
	if(startOffset >= differenceStartOffset && endOffset <= differenceEndOffset)
		return true;
	return false;
}
 
Example 7
Source Project: JDeodorant   File: ControlVariable.java    License: MIT License 5 votes vote down vote up
private static List<ASTNode> getAllVariableModifiersInParentMethod(SimpleName variable)
{
	List<ASTNode> bodyVariableModifiers = new ArrayList<ASTNode>();
	MethodDeclaration parentMethod = AbstractLoopUtilities.findParentMethodDeclaration(variable);
	if (parentMethod != null)
	{
		Block parentMethodBody = parentMethod.getBody();
		if (parentMethodBody != null)
		{
			ExpressionExtractor expressionExtractor = new ExpressionExtractor();
			bodyVariableModifiers.addAll(expressionExtractor.getVariableModifiers(parentMethodBody));
			// remove all variable updaters that are not modifying the specified variable or are after the position of the variable in use
			Iterator<ASTNode> it = bodyVariableModifiers.iterator();
			while (it.hasNext())
			{
				ASTNode currentNode = it.next();
				if (currentNode instanceof Expression)
				{
					Expression currentExpression = (Expression) currentNode;
					if (!AbstractLoopUtilities.isUpdatingVariable(currentExpression, variable) || currentExpression.getStartPosition() >= variable.getStartPosition())
					{
						it.remove();
					}
				}
			}
			// add the variable's declaration
			VariableDeclaration variableDeclaration = AbstractLoopUtilities.getVariableDeclaration(variable);
			if (variableDeclaration != null)
			{
				bodyVariableModifiers.add(0, variableDeclaration);
			}
		}
	}
	return bodyVariableModifiers;
}
 
Example 8
private ASTRewrite doAddField(CompilationUnit astRoot) {
	SimpleName node= fOriginalNode;
	boolean isInDifferentCU= false;

	ASTNode newTypeDecl= astRoot.findDeclaringNode(fSenderBinding);
	if (newTypeDecl == null) {
		astRoot= ASTResolving.createQuickFixAST(getCompilationUnit(), null);
		newTypeDecl= astRoot.findDeclaringNode(fSenderBinding.getKey());
		isInDifferentCU= true;
	}
	ImportRewrite imports= createImportRewrite(astRoot);
	ImportRewriteContext importRewriteContext= new ContextSensitiveImportRewriteContext(ASTResolving.findParentBodyDeclaration(node), imports);

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

		ASTRewrite rewrite= ASTRewrite.create(ast);

		VariableDeclarationFragment fragment= ast.newVariableDeclarationFragment();
		fragment.setName(ast.newSimpleName(node.getIdentifier()));

		Type type= evaluateVariableType(ast, imports, importRewriteContext, fSenderBinding, TypeLocation.FIELD);

		FieldDeclaration newDecl= ast.newFieldDeclaration(fragment);
		newDecl.setType(type);
		newDecl.modifiers().addAll(ASTNodeFactory.newModifiers(ast, evaluateFieldModifiers(newTypeDecl)));

		if (fSenderBinding.isInterface() || fVariableKind == CONST_FIELD) {
			fragment.setInitializer(ASTNodeFactory.newDefaultExpression(ast, type, 0));
		}

		ChildListPropertyDescriptor property= ASTNodes.getBodyDeclarationsProperty(newTypeDecl);
		List<BodyDeclaration> decls= ASTNodes.<BodyDeclaration>getChildListProperty(newTypeDecl, property);

		int maxOffset= isInDifferentCU ? -1 : node.getStartPosition();

		int insertIndex= findFieldInsertIndex(decls, newDecl, maxOffset);

		ListRewrite listRewriter= rewrite.getListRewrite(newTypeDecl, property);
		listRewriter.insertAt(newDecl, insertIndex, null);

		return rewrite;
	}
	return null;
}
 
Example 9
public void start() {
		if (getActiveLinkedMode() != null) {
			// for safety; should already be handled in RenameJavaElementAction
			fgActiveLinkedMode.startFullDialog();
			return;
		}

		ISourceViewer viewer= fEditor.getViewer();
		IDocument document= viewer.getDocument();
		fOriginalSelection= viewer.getSelectedRange();
		int offset= fOriginalSelection.x;

		try {
			CompilationUnit root= SharedASTProvider.getAST(getCompilationUnit(), SharedASTProvider.WAIT_YES, null);

			fLinkedPositionGroup= new LinkedPositionGroup();
			ASTNode selectedNode= NodeFinder.perform(root, fOriginalSelection.x, fOriginalSelection.y);
			if (! (selectedNode instanceof SimpleName)) {
				return; // TODO: show dialog
			}
			SimpleName nameNode= (SimpleName) selectedNode;

			if (viewer instanceof ITextViewerExtension6) {
				IUndoManager undoManager= ((ITextViewerExtension6)viewer).getUndoManager();
				if (undoManager instanceof IUndoManagerExtension) {
					IUndoManagerExtension undoManagerExtension= (IUndoManagerExtension)undoManager;
					IUndoContext undoContext= undoManagerExtension.getUndoContext();
					IOperationHistory operationHistory= OperationHistoryFactory.getOperationHistory();
					fStartingUndoOperation= operationHistory.getUndoOperation(undoContext);
				}
			}
			
			fOriginalName= nameNode.getIdentifier();
			final int pos= nameNode.getStartPosition();
			ASTNode[] sameNodes= LinkedNodeFinder.findByNode(root, nameNode);

			//TODO: copied from LinkedNamesAssistProposal#apply(..):
			// sort for iteration order, starting with the node @ offset
			Arrays.sort(sameNodes, new Comparator<ASTNode>() {
				public int compare(ASTNode o1, ASTNode o2) {
					return rank(o1) - rank(o2);
				}
				/**
				 * Returns the absolute rank of an <code>ASTNode</code>. Nodes
				 * preceding <code>pos</code> are ranked last.
				 *
				 * @param node the node to compute the rank for
				 * @return the rank of the node with respect to the invocation offset
				 */
				private int rank(ASTNode node) {
					int relativeRank= node.getStartPosition() + node.getLength() - pos;
					if (relativeRank < 0)
						return Integer.MAX_VALUE + relativeRank;
					else
						return relativeRank;
				}
			});
			for (int i= 0; i < sameNodes.length; i++) {
				ASTNode elem= sameNodes[i];
				LinkedPosition linkedPosition= new LinkedPosition(document, elem.getStartPosition(), elem.getLength(), i);
				if (i == 0)
					fNamePosition= linkedPosition;
				fLinkedPositionGroup.addPosition(linkedPosition);
			}

			fLinkedModeModel= new LinkedModeModel();
			fLinkedModeModel.addGroup(fLinkedPositionGroup);
			fLinkedModeModel.forceInstall();
			fLinkedModeModel.addLinkingListener(new EditorHighlightingSynchronizer(fEditor));
			fLinkedModeModel.addLinkingListener(new EditorSynchronizer());

			LinkedModeUI ui= new EditorLinkedModeUI(fLinkedModeModel, viewer);
			ui.setExitPosition(viewer, offset, 0, Integer.MAX_VALUE);
			ui.setExitPolicy(new ExitPolicy(document));
			ui.enter();

			viewer.setSelectedRange(fOriginalSelection.x, fOriginalSelection.y); // by default, full word is selected; restore original selection

			if (viewer instanceof IEditingSupportRegistry) {
				IEditingSupportRegistry registry= (IEditingSupportRegistry) viewer;
				registry.register(fFocusEditingSupport);
			}

			openSecondaryPopup();
//			startAnimation();
			fgActiveLinkedMode= this;

		} catch (BadLocationException e) {
			JavaPlugin.log(e);
		}
	}
 
Example 10
private ASTRewrite doAddField(CompilationUnit astRoot) {
	SimpleName node= fOriginalNode;
	boolean isInDifferentCU= false;

	ASTNode newTypeDecl= astRoot.findDeclaringNode(fSenderBinding);
	if (newTypeDecl == null) {
		astRoot= ASTResolving.createQuickFixAST(getCompilationUnit(), null);
		newTypeDecl= astRoot.findDeclaringNode(fSenderBinding.getKey());
		isInDifferentCU= true;
	}
	ImportRewrite imports= createImportRewrite(astRoot);
	ImportRewriteContext importRewriteContext= new ContextSensitiveImportRewriteContext(ASTResolving.findParentBodyDeclaration(node), imports);

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

		ASTRewrite rewrite= ASTRewrite.create(ast);

		VariableDeclarationFragment fragment= ast.newVariableDeclarationFragment();
		fragment.setName(ast.newSimpleName(node.getIdentifier()));

		Type type= evaluateVariableType(ast, imports, importRewriteContext, fSenderBinding);

		FieldDeclaration newDecl= ast.newFieldDeclaration(fragment);
		newDecl.setType(type);
		newDecl.modifiers().addAll(ASTNodeFactory.newModifiers(ast, evaluateFieldModifiers(newTypeDecl)));

		if (fSenderBinding.isInterface() || fVariableKind == CONST_FIELD) {
			fragment.setInitializer(ASTNodeFactory.newDefaultExpression(ast, type, 0));
		}

		ChildListPropertyDescriptor property= ASTNodes.getBodyDeclarationsProperty(newTypeDecl);
		List<BodyDeclaration> decls= ASTNodes.<BodyDeclaration>getChildListProperty(newTypeDecl, property);

		int maxOffset= isInDifferentCU ? -1 : node.getStartPosition();

		int insertIndex= findFieldInsertIndex(decls, newDecl, maxOffset);

		ListRewrite listRewriter= rewrite.getListRewrite(newTypeDecl, property);
		listRewriter.insertAt(newDecl, insertIndex, null);

		ModifierCorrectionSubProcessor.installLinkedVisibilityProposals(getLinkedProposalModel(), rewrite, newDecl.modifiers(), fSenderBinding.isInterface());

		addLinkedPosition(rewrite.track(newDecl.getType()), false, KEY_TYPE);
		if (!isInDifferentCU) {
			addLinkedPosition(rewrite.track(node), true, KEY_NAME);
		}
		addLinkedPosition(rewrite.track(fragment.getName()), false, KEY_NAME);

		if (fragment.getInitializer() != null) {
			addLinkedPosition(rewrite.track(fragment.getInitializer()), false, KEY_INITIALIZER);
		}
		return rewrite;
	}
	return null;
}
 
Example 11
protected ASTNode generateElementAST(ASTRewrite rewriter, ICompilationUnit cu) throws JavaModelException {
	if (this.createdNode == null) {
		this.source = removeIndentAndNewLines(this.source, cu);
		ASTParser parser = ASTParser.newParser(AST.JLS8);
		parser.setSource(this.source.toCharArray());
		parser.setProject(getCompilationUnit().getJavaProject());
		parser.setKind(ASTParser.K_CLASS_BODY_DECLARATIONS);
		ASTNode node = parser.createAST(this.progressMonitor);
		String createdNodeSource;
		if (node.getNodeType() != ASTNode.TYPE_DECLARATION) {
			createdNodeSource = generateSyntaxIncorrectAST();
			if (this.createdNode == null)
				throw new JavaModelException(new JavaModelStatus(IJavaModelStatusConstants.INVALID_CONTENTS));
		} else {
			TypeDeclaration typeDeclaration = (TypeDeclaration) node;
			if ((typeDeclaration.getFlags() & ASTNode.MALFORMED) != 0) {
				createdNodeSource = generateSyntaxIncorrectAST();
				if (this.createdNode == null)
					throw new JavaModelException(new JavaModelStatus(IJavaModelStatusConstants.INVALID_CONTENTS));
			} else {
				List bodyDeclarations = typeDeclaration.bodyDeclarations();
				if (bodyDeclarations.size() == 0) {
					throw new JavaModelException(new JavaModelStatus(IJavaModelStatusConstants.INVALID_CONTENTS));
				}
				this.createdNode = (ASTNode) bodyDeclarations.iterator().next();
				createdNodeSource = this.source;
			}
		}
		if (this.alteredName != null) {
			SimpleName newName = this.createdNode.getAST().newSimpleName(this.alteredName);
			SimpleName oldName = rename(this.createdNode, newName);
			int nameStart = oldName.getStartPosition();
			int nameEnd = nameStart + oldName.getLength();
			StringBuffer newSource = new StringBuffer();
			if (this.source.equals(createdNodeSource)) {
				newSource.append(createdNodeSource.substring(0, nameStart));
				newSource.append(this.alteredName);
				newSource.append(createdNodeSource.substring(nameEnd));
			} else {
				// syntactically incorrect source
				int createdNodeStart = this.createdNode.getStartPosition();
				int createdNodeEnd = createdNodeStart + this.createdNode.getLength();
				newSource.append(createdNodeSource.substring(createdNodeStart, nameStart));
				newSource.append(this.alteredName);
				newSource.append(createdNodeSource.substring(nameEnd, createdNodeEnd));

			}
			this.source = newSource.toString();
		}
	}
	if (rewriter == null) return this.createdNode;
	// return a string place holder (instead of the created node) so has to not lose comments and formatting
	return rewriter.createStringPlaceholder(this.source, this.createdNode.getNodeType());
}