public static ITextSelection createSelectionExtension(
AbstractScopeNode<?> scope, ITextSelection selection) {
SelectionExtenderVisitor visitor = null;
try {
visitor = new SelectionExtenderVisitor(scope.getModule(), selection);
scope.getASTNode().accept(visitor);
} catch (Exception e) {
throw new RuntimeException(e);
}
return visitor.getSelection();
}
@Override
public RefactoringStatus checkInitialConditions(IProgressMonitor pm) throws CoreException {
AbstractScopeNode<?> scope = info.getScopeAdapter();
ITextSelection selection = info.getUserSelection();
SimpleNode node = scope.getASTNode();
LocalVariablesVisitor visitor = new LocalVariablesVisitor();
try {
node.accept(visitor);
} catch (Exception e) {
throw new RuntimeException(e);
}
List<Name> variables = visitor.getVariables();
Name selectedVariable = findSelectedVariable(selection, variables);
if (selectedVariable == null) {
status.addFatalError(Messages.validationNoNameSelected);
return status;
}
List<Name> relatedVariables = findAllRelatedVariables(variables, selectedVariable);
Assign assignment = findAssignment(relatedVariables);
if (assignment == null) {
String id = selectedVariable.id;
status.addFatalError(Messages.format(Messages.inlinelocalNoAssignment, id));
return status;
}
if (!isValid(relatedVariables)) {
return status;
}
requestProcessor.setAssign(assignment);
requestProcessor.setVariables(relatedVariables);
return status;
}