public static List<Function> getFunctionByName(
String funName, @Nullable Collection<RPackage> importedPackages) {
RPackageService packageService = RPackageService.getInstance();
if (packageService == null) return Collections.emptyList();
// if the user didn't import anything do a global search todo: does this make sense???
if (importedPackages == null) {
importedPackages = packageService.getPackages();
} else {
importedPackages = addImportDependencies(importedPackages);
}
List<Function> funs = new ArrayList<Function>();
for (RPackage importedPackage : importedPackages) {
if (importedPackage.hasFunction(funName)) funs.add(importedPackage.getFunction(funName));
}
return funs;
}
