private boolean isValid(List<Name> variables) {
int assignCounter = 0;
for (Name variable : variables) {
if (variable.parent instanceof Assign) {
Assign assign = (Assign) variable.parent;
/* The given name has to be one of the targets of this assignment */
for (exprType x : assign.targets) {
if (x == variable) {
assignCounter++;
break;
}
}
}
if (variable.ctx == expr_contextType.Param || variable.ctx == expr_contextType.KwOnlyParam) {
status.addFatalError(Messages.format(Messages.inlineLocalParameter, variable.getId()));
return false;
}
}
if (assignCounter > 1) {
status.addFatalError(
Messages.format(Messages.inlineLocalMultipleAssignments, variables.get(0).getId()));
return false;
}
return true;
}
@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;
}