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.vm4brwsr;
20 import java.io.ByteArrayInputStream;
21 import java.io.DataInputStream;
22 import java.io.IOException;
26 * @author Jaroslav Tulach <jtulach@netbeans.org>
28 public class Numbers {
29 private static Double autoboxDbl() {
32 public static String autoboxDblToString() {
33 return autoboxDbl().toString().toString();
35 public static int rem(int a, int b) {
39 static float deserFloat() throws IOException {
40 byte[] arr = {(byte) 71, (byte) 84, (byte) 52, (byte) 83};
41 ByteArrayInputStream is = new ByteArrayInputStream(arr);
42 DataInputStream dis = new DataInputStream(is);
43 float r = dis.readFloat();
46 static double deserDouble() throws IOException {
47 byte[] arr = {(byte)64, (byte)8, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0};
48 ByteArrayInputStream is = new ByteArrayInputStream(arr);
49 DataInputStream dis = new DataInputStream(is);
50 return dis.readDouble();
52 static long deserLong(byte[] arr) throws IOException {
53 ByteArrayInputStream is = new ByteArrayInputStream(arr);
54 DataInputStream dis = new DataInputStream(is);
55 return dis.readLong();
57 static int deserInt() throws IOException {
58 byte[] arr = {(byte) 71, (byte) 84, (byte) 52, (byte) 83};
59 ByteArrayInputStream is = new ByteArrayInputStream(arr);
60 DataInputStream dis = new DataInputStream(is);
64 static String intToString() {
65 return new Integer(5).toString().toString();
67 static String floatToString() {
68 return new Float(7.0).toString().toString();
71 public static long conversionL() {
72 return Long.MAX_VALUE;
75 public static long negL(byte[] arrValue) throws IOException {
76 ByteArrayInputStream isValue = new ByteArrayInputStream(arrValue);
77 DataInputStream disValue = new DataInputStream(isValue);
78 return (-disValue.readLong());
81 public static long addL(byte[] arrX, byte[] arrY) throws IOException {
82 ByteArrayInputStream isX = new ByteArrayInputStream(arrX);
83 DataInputStream disX = new DataInputStream(isX);
84 ByteArrayInputStream isY = new ByteArrayInputStream(arrY);
85 DataInputStream disY = new DataInputStream(isY);
86 return (disX.readLong() + disY.readLong());
89 public static long subL(byte[] arrX, byte[] arrY) throws IOException {
90 ByteArrayInputStream isX = new ByteArrayInputStream(arrX);
91 DataInputStream disX = new DataInputStream(isX);
92 ByteArrayInputStream isY = new ByteArrayInputStream(arrY);
93 DataInputStream disY = new DataInputStream(isY);
94 return (disX.readLong() - disY.readLong());
97 public static long mulL(byte[] arrX, byte[] arrY) throws IOException {
98 ByteArrayInputStream isX = new ByteArrayInputStream(arrX);
99 DataInputStream disX = new DataInputStream(isX);
100 ByteArrayInputStream isY = new ByteArrayInputStream(arrY);
101 DataInputStream disY = new DataInputStream(isY);
102 return (disX.readLong() * disY.readLong());
105 public static long divL(byte[] arrX, byte[] arrY) throws IOException {
106 ByteArrayInputStream isX = new ByteArrayInputStream(arrX);
107 DataInputStream disX = new DataInputStream(isX);
108 ByteArrayInputStream isY = new ByteArrayInputStream(arrY);
109 DataInputStream disY = new DataInputStream(isY);
110 return (disX.readLong() / disY.readLong());
113 public static long modL(byte[] arrX, byte[] arrY) throws IOException {
114 ByteArrayInputStream isX = new ByteArrayInputStream(arrX);
115 DataInputStream disX = new DataInputStream(isX);
116 ByteArrayInputStream isY = new ByteArrayInputStream(arrY);
117 DataInputStream disY = new DataInputStream(isY);
118 return (disX.readLong() % disY.readLong());
121 public static long shlL(byte[] arrValue, int nBits) throws IOException {
122 ByteArrayInputStream isValue = new ByteArrayInputStream(arrValue);
123 DataInputStream disValue = new DataInputStream(isValue);
124 return (disValue.readLong() << nBits);
127 public static long shrL(byte[] arrValue, int nBits) throws IOException {
128 ByteArrayInputStream isValue = new ByteArrayInputStream(arrValue);
129 DataInputStream disValue = new DataInputStream(isValue);
130 return (disValue.readLong() >> nBits);
133 public static long ushrL(byte[] arrValue, int nBits) throws IOException {
134 ByteArrayInputStream isValue = new ByteArrayInputStream(arrValue);
135 DataInputStream disValue = new DataInputStream(isValue);
136 return (disValue.readLong() >>> nBits);
139 public static long andL(byte[] arrX, byte[] arrY) throws IOException {
140 ByteArrayInputStream isX = new ByteArrayInputStream(arrX);
141 DataInputStream disX = new DataInputStream(isX);
142 ByteArrayInputStream isY = new ByteArrayInputStream(arrY);
143 DataInputStream disY = new DataInputStream(isY);
144 return (disX.readLong() & disY.readLong());
147 public static long orL(byte[] arrX, byte[] arrY) throws IOException {
148 ByteArrayInputStream isX = new ByteArrayInputStream(arrX);
149 DataInputStream disX = new DataInputStream(isX);
150 ByteArrayInputStream isY = new ByteArrayInputStream(arrY);
151 DataInputStream disY = new DataInputStream(isY);
152 return (disX.readLong() | disY.readLong());
155 public static long xorL(byte[] arrX, byte[] arrY) throws IOException {
156 ByteArrayInputStream isX = new ByteArrayInputStream(arrX);
157 DataInputStream disX = new DataInputStream(isX);
158 ByteArrayInputStream isY = new ByteArrayInputStream(arrY);
159 DataInputStream disY = new DataInputStream(isY);
160 return (disX.readLong() ^ disY.readLong());