Added EmbeddingProvider for JavaScriptBody.
2 * Back 2 Browser Bytecode Translator
3 * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
5 * This program is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, version 2 of the License.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program. Look for COPYING file in the top folder.
16 * If not, see http://opensource.org/licenses/GPL-2.0.
18 package org.apidesign.javap;
22 * @author Jaroslav Tulach <jtulach@netbeans.org>
24 public final class TrapDataIterator {
25 private final Hashtable exStart = new Hashtable();
26 private final Hashtable exStop = new Hashtable();
27 private TrapData[] current = new TrapData[10];
28 private int currentCount;
30 TrapDataIterator(Vector exceptionTable) {
31 for (int i=0 ; i < exceptionTable.size(); i++) {
32 final TrapData td = (TrapData)exceptionTable.elementAt(i);
33 put(exStart, td.start_pc, td);
34 put(exStop, td.end_pc, td);
38 private static void put(Hashtable h, short key, TrapData td) {
39 Short s = Short.valueOf((short)key);
40 Vector v = (Vector) h.get(s);
48 private boolean processAll(Hashtable h, Short key, boolean add) {
49 boolean change = false;
50 Vector v = (Vector)h.get(key);
53 for (int i = 0; i < s; i++) {
54 TrapData td = (TrapData)v.elementAt(i);
67 public boolean advanceTo(int i) {
68 Short s = Short.valueOf((short)i);
69 boolean ch1 = processAll(exStart, s, true);
70 boolean ch2 = processAll(exStop, s, false);
74 public boolean useTry() {
75 return currentCount > 0;
78 public TrapData[] current() {
79 TrapData[] copy = new TrapData[currentCount];
80 for (int i = 0; i < currentCount; i++) {
86 private void add(TrapData e) {
87 if (currentCount == current.length) {
88 TrapData[] data = new TrapData[currentCount * 2];
89 for (int i = 0; i < currentCount; i++) {
94 current[currentCount++] = e;
97 private void remove(TrapData e) {
98 if (currentCount == 0) {
102 while (from < currentCount) {
103 if (e == current[from++]) {
107 while (from < currentCount) {
108 current[from - 1] = current[from];
109 current[from] = null;