@Override
public Void visitMethodDeclaration(MethodDeclaration node) {
ElementHolder holder = new ElementHolder();
boolean wasInFunction = inFunction;
inFunction = true;
try {
visitChildren(holder, node);
} finally {
inFunction = wasInFunction;
}
boolean isStatic = node.isStatic();
Token property = node.getPropertyKeyword();
if (property == null) {
SimpleIdentifier methodName = node.getName();
String nameOfMethod = methodName.getName();
if (nameOfMethod.equals(TokenType.MINUS.getLexeme())
&& node.getParameters().getParameters().size() == 0) {
nameOfMethod = "unary-";
}
MethodElementImpl element = new MethodElementImpl(nameOfMethod, methodName.getOffset());
element.setAbstract(node.isAbstract());
element.setFunctions(holder.getFunctions());
element.setLabels(holder.getLabels());
element.setLocalVariables(holder.getLocalVariables());
element.setParameters(holder.getParameters());
element.setStatic(isStatic);
currentHolder.addMethod(element);
methodName.setStaticElement(element);
} else {
SimpleIdentifier propertyNameNode = node.getName();
String propertyName = propertyNameNode.getName();
FieldElementImpl field = (FieldElementImpl) currentHolder.getField(propertyName);
if (field == null) {
field = new FieldElementImpl(node.getName().getName());
field.setFinal(true);
field.setStatic(isStatic);
field.setSynthetic(true);
currentHolder.addField(field);
}
if (matches(property, Keyword.GET)) {
PropertyAccessorElementImpl getter = new PropertyAccessorElementImpl(propertyNameNode);
getter.setFunctions(holder.getFunctions());
getter.setLabels(holder.getLabels());
getter.setLocalVariables(holder.getLocalVariables());
getter.setVariable(field);
getter.setAbstract(
node.getBody() instanceof EmptyFunctionBody && node.getExternalKeyword() == null);
getter.setGetter(true);
getter.setStatic(isStatic);
field.setGetter(getter);
currentHolder.addAccessor(getter);
propertyNameNode.setStaticElement(getter);
} else {
PropertyAccessorElementImpl setter = new PropertyAccessorElementImpl(propertyNameNode);
setter.setFunctions(holder.getFunctions());
setter.setLabels(holder.getLabels());
setter.setLocalVariables(holder.getLocalVariables());
setter.setParameters(holder.getParameters());
setter.setVariable(field);
setter.setAbstract(
node.getBody() instanceof EmptyFunctionBody
&& !matches(node.getExternalKeyword(), Keyword.EXTERNAL));
setter.setSetter(true);
setter.setStatic(isStatic);
field.setSetter(setter);
field.setFinal(false);
currentHolder.addAccessor(setter);
propertyNameNode.setStaticElement(setter);
}
}
holder.validate();
return null;
}
public void start() {
if (getActiveLinkedMode() != null) {
// for safety; should already be handled in RenameDartElementAction
fgActiveLinkedMode.startFullDialog();
return;
}
ISourceViewer viewer = fEditor.getViewer();
IDocument document = viewer.getDocument();
fOriginalSelection = viewer.getSelectedRange();
int offset = fOriginalSelection.x;
try {
fLinkedPositionGroup = new LinkedPositionGroup();
prepareElement();
if (fDartElement == null) {
return;
}
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.getName();
final int pos = nameNode.getOffset();
final List<ASTNode> sameNodes = Lists.newArrayList();
nameNode
.getRoot()
.accept(
new RecursiveASTVisitor<Void>() {
@Override
public Void visitSimpleIdentifier(SimpleIdentifier node) {
Element element = node.getElement();
element = getCanonicalElement(element);
if (Objects.equal(element, fDartElement)) {
sameNodes.add(node);
}
return super.visitSimpleIdentifier(node);
}
});
// TODO: copied from LinkedNamesAssistProposal#apply(..):
// sort for iteration order, starting with the node @ offset
Collections.sort(
sameNodes,
new Comparator<ASTNode>() {
@Override
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.getOffset() + node.getLength() - pos;
if (relativeRank < 0) {
return Integer.MAX_VALUE + relativeRank;
} else {
return relativeRank;
}
}
});
for (int i = 0; i < sameNodes.size(); i++) {
ASTNode elem = sameNodes.get(i);
LinkedPosition linkedPosition =
new LinkedPosition(document, elem.getOffset(), 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) {
DartToolsPlugin.log(e);
}
}
@Override
public Void visitFunctionDeclaration(FunctionDeclaration node) {
FunctionExpression expression = node.getFunctionExpression();
if (expression != null) {
ElementHolder holder = new ElementHolder();
boolean wasInFunction = inFunction;
inFunction = true;
try {
visitChildren(holder, expression);
} finally {
inFunction = wasInFunction;
}
Token property = node.getPropertyKeyword();
if (property == null) {
SimpleIdentifier functionName = node.getName();
FunctionElementImpl element = new FunctionElementImpl(functionName);
element.setFunctions(holder.getFunctions());
element.setLabels(holder.getLabels());
element.setLocalVariables(holder.getLocalVariables());
element.setParameters(holder.getParameters());
if (inFunction) {
Block enclosingBlock = node.getAncestor(Block.class);
if (enclosingBlock != null) {
int functionEnd = node.getOffset() + node.getLength();
int blockEnd = enclosingBlock.getOffset() + enclosingBlock.getLength();
element.setVisibleRange(functionEnd, blockEnd - functionEnd - 1);
}
}
currentHolder.addFunction(element);
expression.setElement(element);
functionName.setStaticElement(element);
} else {
SimpleIdentifier propertyNameNode = node.getName();
if (propertyNameNode == null) {
// TODO(brianwilkerson) Report this internal error.
return null;
}
String propertyName = propertyNameNode.getName();
TopLevelVariableElementImpl variable =
(TopLevelVariableElementImpl) currentHolder.getTopLevelVariable(propertyName);
if (variable == null) {
variable = new TopLevelVariableElementImpl(node.getName().getName());
variable.setFinal(true);
variable.setSynthetic(true);
currentHolder.addTopLevelVariable(variable);
}
if (matches(property, Keyword.GET)) {
PropertyAccessorElementImpl getter = new PropertyAccessorElementImpl(propertyNameNode);
getter.setFunctions(holder.getFunctions());
getter.setLabels(holder.getLabels());
getter.setLocalVariables(holder.getLocalVariables());
getter.setVariable(variable);
getter.setGetter(true);
getter.setStatic(true);
variable.setGetter(getter);
currentHolder.addAccessor(getter);
expression.setElement(getter);
propertyNameNode.setStaticElement(getter);
} else {
PropertyAccessorElementImpl setter = new PropertyAccessorElementImpl(propertyNameNode);
setter.setFunctions(holder.getFunctions());
setter.setLabels(holder.getLabels());
setter.setLocalVariables(holder.getLocalVariables());
setter.setParameters(holder.getParameters());
setter.setVariable(variable);
setter.setSetter(true);
setter.setStatic(true);
variable.setSetter(setter);
variable.setFinal(false);
currentHolder.addAccessor(setter);
expression.setElement(setter);
propertyNameNode.setStaticElement(setter);
}
}
holder.validate();
}
return null;
}
