99 * using its tree and info, and copying all other fields.
100 */
101 public Env<A> dupto(Env<A> that) {
102 that.next = this;
103 that.outer = this.outer;
104 that.toplevel = this.toplevel;
105 that.enclClass = this.enclClass;
106 that.enclMethod = this.enclMethod;
107 return that;
108 }
109
110 /** Duplicate this environment, updating with given tree,
111 * and copying all other fields.
112 */
113 public Env<A> dup(JCTree tree) {
114 return dup(tree, this.info);
115 }
116
117 /** Return closest enclosing environment which points to a tree with given tag.
118 */
119 public Env<A> enclosing(int tag) {
120 Env<A> env1 = this;
121 while (env1 != null && env1.tree.getTag() != tag) env1 = env1.next;
122 return env1;
123 }
124
125 public String toString() {
126 return "Env[" + info + (outer == null ? "" : ",outer=" + outer) + "]";
127 }
128
129 public Iterator<Env<A>> iterator() {
130 return new Iterator<Env<A>>() {
131 Env<A> next = Env.this;
132 public boolean hasNext() {
133 return next.outer != null;
134 }
135 public Env<A> next() {
136 if (hasNext()) {
137 Env<A> current = next;
138 next = current.outer;
139 return current;
140 }
141 throw new NoSuchElementException();
|
99 * using its tree and info, and copying all other fields.
100 */
101 public Env<A> dupto(Env<A> that) {
102 that.next = this;
103 that.outer = this.outer;
104 that.toplevel = this.toplevel;
105 that.enclClass = this.enclClass;
106 that.enclMethod = this.enclMethod;
107 return that;
108 }
109
110 /** Duplicate this environment, updating with given tree,
111 * and copying all other fields.
112 */
113 public Env<A> dup(JCTree tree) {
114 return dup(tree, this.info);
115 }
116
117 /** Return closest enclosing environment which points to a tree with given tag.
118 */
119 public Env<A> enclosing(JCTree.Tag tag) {
120 Env<A> env1 = this;
121 while (env1 != null && !env1.tree.hasTag(tag)) env1 = env1.next;
122 return env1;
123 }
124
125 public String toString() {
126 return "Env[" + info + (outer == null ? "" : ",outer=" + outer) + "]";
127 }
128
129 public Iterator<Env<A>> iterator() {
130 return new Iterator<Env<A>>() {
131 Env<A> next = Env.this;
132 public boolean hasNext() {
133 return next.outer != null;
134 }
135 public Env<A> next() {
136 if (hasNext()) {
137 Env<A> current = next;
138 next = current.outer;
139 return current;
140 }
141 throw new NoSuchElementException();
|