tools/java/Identifier.java

57 class Identifier implements Constants {
61     static Hashtable<String, Identifier> hash = new Hashtable<>(3001, 0.5f);
76      * The Type which corresponds to this Identifier.  This is used as
90      * @see Identifier.lookup
92     private Identifier(String name) {
116     public static synchronized Identifier lookup(String s) {
118         Identifier id = hash.get(s);
120             hash.put(s, id = new Identifier(s));
128     public static Identifier lookup(Identifier q, Identifier n) {
134         Identifier id = lookup(q + "." + n);
144     public static Identifier lookupInner(Identifier c, Identifier n) {
145         Identifier id;
176             value = (index < 0) ? idNull : Identifier.lookup(name.substring(0, index));
178         return (value instanceof Identifier) && (value != idNull);
186     public Identifier getQualifier() {
187         return isQualified() ? (Identifier)value : idNull;
195     public Identifier getName() {
197             Identifier.lookup(name.substring(((Identifier)value).name.length() + 1)) : this;
209      * operates in terms of Identifier objects.  This includes the
214      * be able Identifier type must be able to report the nesting
236      * Identifier id = Identifier.lookup("pkg.Foo. Bar");
241     public Identifier getFlatName() {
248                 return Identifier.lookup(name.substring(0,ipos-1));
252             return Identifier.lookup(t+n);
258     public Identifier getTopName() {
260         return Identifier.lookup(getQualifier(), getFlatName().getHead());
268     public Identifier getHead() {
269         Identifier id = this;
278     public Identifier getTail() {
279         Identifier id = getHead();
283             return Identifier.lookup(name.substring(id.name.length() + 1));
304      * Determine whether an Identifier has been marked as ambiguous.
311      * Add ambigPrefix to `this' to make a new Identifier marked as
312      * ambiguous.  It is important that this new Identifier not refer
315     public Identifier addAmbigPrefix() {
316         return Identifier.lookup(ambigPrefix + name);
322     public Identifier removeAmbigPrefix() {
324             return Identifier.lookup(name.substring(ambigPrefix.length()));