/*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is furnished to do
* so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package jdk.nashorn.internal.runtime.regexp.joni.ast;
import jdk.nashorn.internal.runtime.regexp.joni.ScanEnvironment;
@SuppressWarnings("javadoc")
public final class BackRefNode extends StateNode {
public final int backRef;
public BackRefNode(final int backRef, final ScanEnvironment env) {
this.backRef = backRef;
if (backRef <= env.numMem && env.memNodes[backRef] == null) {
setRecursion(); /* /...(\1).../ */
}
}
@Override
public int getType() {
return BREF;
}
@Override
public String getName() {
return "Back Ref";
}
@Override
/**代码未完, 请加载全部代码(NowJava.com).**/