private List<ClassSymbol> getTopLevelClasses(List<? extends JCCompilationUnit> units) {
List<ClassSymbol> classes = List.nil();
for (JCCompilationUnit unit : units) {
for (JCTree node : unit.defs) {
if (node.getTag() == JCTree.CLASSDEF) {
ClassSymbol sym = ((JCClassDecl) node).sym;
Assert.checkNonNull(sym);
classes = classes.prepend(sym);
}
}
}
return classes.reverse();
}
/** Is the given tree an enumerator definition? */
boolean isEnumerator(JCTree t) {
return t.getTag() == JCTree.VARDEF && (((JCVariableDecl) t).mods.flags & ENUM) != 0;
}