jaxws/src/jdk.xml.bind/share/classes/com/sun/tools/internal/xjc/reader/gbind/Expression.java
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33 * @author Kohsuke Kawaguchi |
33 * @author Kohsuke Kawaguchi |
34 */ |
34 */ |
35 public abstract class Expression { |
35 public abstract class Expression { |
36 |
36 |
37 /** |
37 /** |
38 * Computes <tt>LAST(exp)</tt> |
38 * Computes {@code LAST(exp)} |
39 */ |
39 */ |
40 abstract ElementSet lastSet(); |
40 abstract ElementSet lastSet(); |
41 |
41 |
42 /** |
42 /** |
43 * True of <tt>\epsilon \in L(exp)</tt> |
43 * True of {@code \epsilon \in L(exp)} |
44 */ |
44 */ |
45 abstract boolean isNullable(); |
45 abstract boolean isNullable(); |
46 |
46 |
47 /** |
47 /** |
48 * Builds up a DAG among {@link Element}s in this expression. |
48 * Builds up a DAG among {@link Element}s in this expression. |