javac/code/Symtab.java

623     public ClassSymbol getClass(ModuleSymbol msym, Name flatName) {
624         Assert.checkNonNull(msym, flatName::toString);
625         return classes.getOrDefault(flatName, Collections.emptyMap()).get(msym);
628     public PackageSymbol lookupPackage(ModuleSymbol msym, Name flatName) {
631         if (flatName.isEmpty()) {
637             return enterPackage(msym, flatName);
644         pack = msym.visiblePackages.get(flatName);
649         pack = getPackage(msym, flatName);
663             PackageSymbol unnamedPack = getPackage(unnamedModule, flatName);
670             pack = enterPackage(msym, flatName);
675             unnamedPack = enterPackage(unnamedModule, flatName);
685         return enterPackage(msym, flatName);
690     public void removeClass(ModuleSymbol msym, Name flatName) {
691         classes.getOrDefault(flatName, EMPTY).remove(msym);