hg/bck2brwsr: rt/vm/src/test/java/org/apidesign/vm4brwsr/StaticMethod.java@d382dacfd73f

     1 /**

     2  * Back 2 Browser Bytecode Translator

     3  * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>

     4  *

     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.

     8  *

     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.

    13  *

    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.

    17  */

    18 package org.apidesign.vm4brwsr;

    20 import org.apidesign.bck2brwsr.core.JavaScriptBody;

    22 /**

    23  *

    24  * @author Jaroslav Tulach <jtulach@netbeans.org>

    25  */

    26 public class StaticMethod {

    27     private static int cnt;

    28     private static Object NULL;

    30     public static int minusOne() {

    31         return -1;

    32     }

    34     public static Object none(int x, int y) {

    35         Object toRet = null;

    36         for (int i = x; i < y; i++) {

    37             if (i == 2) {

    38                 toRet = null;

    39             } else {

    40                 toRet = new Object();

    41             }

    42         }

    43         return toRet;

    44     }

    46     public static boolean isNull() {

    47         return NULL == null;

    48     }

    50     public static int sum(int x, int y) {

    51         return x + y;

    52     }

    53     public static float power(float x) {

    54         return x * x;

    55     }

    56     public static double minus(double x, long y) {

    57         return x - y;

    58     }

    59     public static int div(byte c, double d) {

    60         return (int)(d / c);

    61     }

    62     public static int mix(int a, long b, byte c, double d) {

    63         return (int)((b / a + c) * d);

    64     }

    65     public static long xor(int a, long b) {

    66         return a ^ b;

    67     }

    68     public static long orOrAnd(boolean doOr, int a, int b) {

    69         return doOr ? a | b : a & b;

    70     }

    71     public static int shiftLeft(int what, int much) {

    72         return what << much;

    73     }

    74     public static int shiftArithmRight(int what, int much, boolean signed) {

    75         if (signed) {

    76             return what >> much;

    77         } else {

    78             return what >>> much;

    79         }

    80     }

    81     public static long factRec(int n) {

    82         if (n <= 1) {

    83             return 1;

    84         } else {

    85             return n * factRec(n - 1);

    86         }

    87     }

    88     public static long factIter(int n) {

    89         long res = 1;

    90         for (int i = 2; i <= n; i++) {

    91             res *= i;

    92         }

    93         return res;

    94     }

    95     public static int inc4() {

    96         cnt++;

    97         cnt+=2;

    98         cnt++;

    99         return cnt;

   100     }

   102     @JavaScriptBody(

   103         args={"i","j"}, body="\n\r\treturn (i + j).toString();"

   104     )

   105     public static String i2s(int i, int j) {

   106         throw new IllegalStateException();

   107     }

   109     public static String castNull(boolean n) {

   110         Object value = n ? null : "Ahoj";

   111         return (String)value;

   112     }

   114     public static String swtch(int what) {

   115         switch (what) {

   116             case 0: return "Jarda";

   117             case 1: return "Darda";

   118             case 2: return "Parda";

   119             default: return "Marda";

   120         }

   121     }

   122     public static String swtch2(int what) {

   123         switch (what) {

   124             case 0: return "Jarda";

   125             case 11: return "Darda";

   126             case 22: return "Parda";

   127             default: return "Marda";

   128         }

   129     }

   131     static {

   132         // check order of initializers

   133         StaticUse.NON_NULL.equals(new Object());

   134     }

   135 }

author	Jaroslav Tulach <jaroslav.tulach@apidesign.org>
	Tue, 26 Feb 2013 16:54:16 +0100
changeset 772	d382dacfd73f
parent 291	vm/src/test/java/org/apidesign/vm4brwsr/StaticMethod.java@c6f21b56a6cf
child 1466	39d26d3686d9
permissions	-rw-r--r--