jaroslav@114: /**
jaroslav@114:  * Back 2 Browser Bytecode Translator
jaroslav@114:  * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
jaroslav@114:  *
jaroslav@114:  * This program is free software: you can redistribute it and/or modify
jaroslav@114:  * it under the terms of the GNU General Public License as published by
jaroslav@114:  * the Free Software Foundation, version 2 of the License.
jaroslav@114:  *
jaroslav@114:  * This program is distributed in the hope that it will be useful,
jaroslav@114:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
jaroslav@114:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
jaroslav@114:  * GNU General Public License for more details.
jaroslav@114:  *
jaroslav@114:  * You should have received a copy of the GNU General Public License
jaroslav@114:  * along with this program. Look for COPYING file in the top folder.
jaroslav@114:  * If not, see http://opensource.org/licenses/GPL-2.0.
jaroslav@114:  */
jaroslav@114: package org.apidesign.vm4brwsr;
jaroslav@114: 
jaroslav@181: import java.io.ByteArrayInputStream;
jaroslav@181: import java.io.DataInputStream;
jaroslav@181: import java.io.IOException;
jaroslav@783: import org.apidesign.bck2brwsr.core.JavaScriptBody;
jaroslav@181: 
jaroslav@114: /**
jaroslav@114:  *
jaroslav@114:  * @author Jaroslav Tulach <jtulach@netbeans.org>
jaroslav@114:  */
jaroslav@114: public class Numbers {
jaroslav@114:     private static Double autoboxDbl() {
jaroslav@114:         return 3.3;
jaroslav@114:     }
jaroslav@114:     public static String autoboxDblToString() {
jaroslav@114:         return autoboxDbl().toString().toString();
jaroslav@114:     }
jaroslav@178:     public static int rem(int a, int b) {
jaroslav@178:         return a % b;
jaroslav@178:     }
jaroslav@181: 
jaroslav@1558:     public static float deserFloat() throws IOException {
jaroslav@181:         byte[] arr = {(byte) 71, (byte) 84, (byte) 52, (byte) 83};
jaroslav@181:         ByteArrayInputStream is = new ByteArrayInputStream(arr);
jaroslav@181:         DataInputStream dis = new DataInputStream(is);
jaroslav@181:         float r = dis.readFloat();
jaroslav@181:         return r;
jaroslav@181:     }
jaroslav@1558:     public static double deserDouble() throws IOException {
jaroslav@185:         byte[] arr = {(byte)64, (byte)8, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0, (byte)0};
jaroslav@185:         ByteArrayInputStream is = new ByteArrayInputStream(arr);
jaroslav@185:         DataInputStream dis = new DataInputStream(is);
jaroslav@185:         return dis.readDouble();
jaroslav@185:     }
jaroslav@1558:     public static long deserLong(byte[] arr) throws IOException {
jaroslav@185:         ByteArrayInputStream is = new ByteArrayInputStream(arr);
jaroslav@185:         DataInputStream dis = new DataInputStream(is);
jaroslav@185:         return dis.readLong();
jaroslav@185:     }
jaroslav@1558:     public static long deserLong(byte[] arr, int shift) throws IOException {
jaroslav@1460:         return deserLong(arr) >> shift;
jaroslav@1460:     }
jaroslav@1558:     public static int deserInt() throws IOException {
jaroslav@181:         byte[] arr = {(byte) 71, (byte) 84, (byte) 52, (byte) 83};
jaroslav@181:         ByteArrayInputStream is = new ByteArrayInputStream(arr);
jaroslav@181:         DataInputStream dis = new DataInputStream(is);
jaroslav@181:         return dis.readInt();
jaroslav@181:     }
jaroslav@1558:     public static long bytesToLong(byte b1, byte b2, int shift) {
jaroslav@1462:         return (((long)b1 << 56) +
jaroslav@1462:                 ((long)b2 & 255) << 48) >> shift;
jaroslav@1462:     }
jaroslav@186: 
jaroslav@1558:     public static String intToString() {
jaroslav@186:         return new Integer(5).toString().toString();
jaroslav@186:     }
jaroslav@1558:     public static String floatToString() {
jaroslav@187:         return new Float(7.0).toString().toString();
jaroslav@187:     }
jaroslav@783:     
jaroslav@1558:     public static double seven(int todo) {
jaroslav@783:         switch (todo) {
jaroslav@783:             case 0: return sevenNew().doubleValue();
jaroslav@783:             case 1: return sevenNew().intValue();
jaroslav@783:             case 2: return sevenNew().longValue();
jaroslav@783:             case 3: return sevenNew().shortValue();
jaroslav@783:             case 4: return sevenNew().byteValue();
jaroslav@783:             case 8: return valueOf(Double.valueOf(7.0));
jaroslav@783:             case 9: return valueOf(Long.valueOf(Long.MAX_VALUE / 5));
jaroslav@791:             case 30: return valueOf(Boolean.FALSE);
jaroslav@791:             case 31: return valueOf(Boolean.TRUE);
jaroslav@791:             case 65: return valueOf(Character.valueOf('A'));
jaroslav@783:             default: throw new IllegalStateException();
jaroslav@783:         }
jaroslav@783:     }
jaroslav@1558:     public static boolean bseven(int todo) {
jaroslav@1097:         switch (todo) {
jaroslav@1097:             case 30: return bvalueOf(Boolean.FALSE);
jaroslav@1097:             case 31: return bvalueOf(Boolean.TRUE);
jaroslav@1097:             default: throw new IllegalStateException();
jaroslav@1097:         }
jaroslav@1097:     }
jaroslav@783:     
jaroslav@783:     @JavaScriptBody(args = {}, body = "return 7;")
jaroslav@783:     private static native Number sevenNew();
jaroslav@1097: 
jaroslav@1097:     @JavaScriptBody(args = { "o" }, body = "return o.valueOf();")
jaroslav@1097:     private static native double valueOf(Object o);
jaroslav@783:     
jaroslav@783:     @JavaScriptBody(args = { "o" }, body = "return o.valueOf();")
jaroslav@1097:     private static native boolean bvalueOf(Object o);
jaroslav@1595:     
jaroslav@1595:     public static int around(Object model, int x, int y) {
jaroslav@1595:         return minesAt(model, x - 1, y - 1)
jaroslav@1595:             + minesAt(model, x - 1, y)
jaroslav@1595:             + minesAt(model, x - 1, y + 1)
jaroslav@1595:             + minesAt(model, x, y - 1)
jaroslav@1595:             + minesAt(model, x, y + 1)
jaroslav@1595:             + minesAt(model, x + 1, y - 1)
jaroslav@1595:             + minesAt(model, x + 1, y)
jaroslav@1595:             + minesAt(model, x + 1, y + 1);
jaroslav@1595:     }
jaroslav@1595: 
jaroslav@1595:     private static int minesAt(Object model, int x, int y) {
jaroslav@1595:         return x + y;
jaroslav@1595:     }    
jaroslav@114: }