1 /* 2 * Permission is hereby granted, free of charge, to any person obtaining a copy of 3 * this software and associated documentation files (the "Software"), to deal in 4 * the Software without restriction, including without limitation the rights to 5 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies 6 * of the Software, and to permit persons to whom the Software is furnished to do 7 * so, subject to the following conditions: 8 * 9 * The above copyright notice and this permission notice shall be included in all 10 * copies or substantial portions of the Software. 11 * 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 13 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 14 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 15 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 16 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 17 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 18 * SOFTWARE. 19 */ 20 package jdk.nashorn.internal.runtime.regexp.joni; 21 22 import jdk.nashorn.internal.runtime.regexp.joni.ast.EncloseNode; 23 import jdk.nashorn.internal.runtime.regexp.joni.ast.Node; 24 import jdk.nashorn.internal.runtime.regexp.joni.exception.ErrorMessages; 25 import jdk.nashorn.internal.runtime.regexp.joni.exception.InternalException; 26 27 public final class UnsetAddrList { 28 int num; 29 Node[]targets; 30 int[]offsets; 31 32 public UnsetAddrList(int size) { 33 targets = new Node[size]; 34 offsets = new int[size]; 35 } 36 37 public void add(int offset, Node node) { 38 if (num >= offsets.length) { 39 Node []ttmp = new Node[targets.length << 1]; 40 System.arraycopy(targets, 0, ttmp, 0, num); 41 targets = ttmp; 42 int[]otmp = new int[offsets.length << 1]; 43 System.arraycopy(offsets, 0, otmp, 0, num); 44 offsets = otmp; 45 } 46 targets[num] = node; 47 offsets[num] = offset; 48 49 num++; 50 } 51 52 public void fix(Regex regex) { 53 for (int i=0; i<num; i++) { 54 EncloseNode en = (EncloseNode)targets[i]; 55 if (!en.isAddrFixed()) new InternalException(ErrorMessages.ERR_PARSER_BUG); 56 regex.code[offsets[i]] = en.callAddr; // is this safe ? 57 } 58 } 59 60 public String toString() { 61 StringBuilder value = new StringBuilder(); 62 if (num > 0) { 63 for (int i=0; i<num; i++) { 64 value.append("offset + " + offsets[i] + " target: " + targets[i].getAddressName()); 65 } 66 } 67 return value.toString(); 68 } 69 }