emul/mini/src/main/java/org/apidesign/bck2brwsr/emul/lang/System.java
brancharithmetic
changeset 774 42bc1e89134d
parent 755 5652acd48509
parent 773 406faa8bc64f
child 778 6f8683517f1f
     1.1 --- a/emul/mini/src/main/java/org/apidesign/bck2brwsr/emul/lang/System.java	Mon Feb 25 19:00:08 2013 +0100
     1.2 +++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.3 @@ -1,69 +0,0 @@
     1.4 -/**
     1.5 - * Back 2 Browser Bytecode Translator
     1.6 - * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
     1.7 - *
     1.8 - * This program is free software: you can redistribute it and/or modify
     1.9 - * it under the terms of the GNU General Public License as published by
    1.10 - * the Free Software Foundation, version 2 of the License.
    1.11 - *
    1.12 - * This program is distributed in the hope that it will be useful,
    1.13 - * but WITHOUT ANY WARRANTY; without even the implied warranty of
    1.14 - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    1.15 - * GNU General Public License for more details.
    1.16 - *
    1.17 - * You should have received a copy of the GNU General Public License
    1.18 - * along with this program. Look for COPYING file in the top folder.
    1.19 - * If not, see http://opensource.org/licenses/GPL-2.0.
    1.20 - */
    1.21 -package org.apidesign.bck2brwsr.emul.lang;
    1.22 -
    1.23 -import java.lang.reflect.Method;
    1.24 -import org.apidesign.bck2brwsr.core.JavaScriptBody;
    1.25 -
    1.26 -/**
    1.27 - *
    1.28 - * @author Jaroslav Tulach <jtulach@netbeans.org>
    1.29 - */
    1.30 -public class System {
    1.31 -    private System() {
    1.32 -    }
    1.33 -
    1.34 -    @JavaScriptBody(args = { "value", "srcBegin", "dst", "dstBegin", "count" }, body = 
    1.35 -        "if (srcBegin < dstBegin) {\n" +
    1.36 -        "    while (count-- > 0) {\n" +
    1.37 -        "        dst[dstBegin + count] = value[srcBegin + count];\n" +
    1.38 -        "    }\n" +
    1.39 -        "} else {\n" +
    1.40 -        "    while (count-- > 0) {\n" +
    1.41 -        "        dst[dstBegin++] = value[srcBegin++];\n" +
    1.42 -        "    }\n" +
    1.43 -        "}"
    1.44 -    )
    1.45 -    public static void arraycopy(Object src, int srcBegin, Object dst, int dstBegin, int count) {
    1.46 -        try {
    1.47 -            Class<?> system = Class.forName("java.lang.System");
    1.48 -            Method m = system.getMethod("arraycopy", Object.class, int.class, Object.class, int.class, int.class);
    1.49 -            m.invoke(null, src, srcBegin, dst, dstBegin, count);
    1.50 -        } catch (Exception ex) {
    1.51 -            throw new IllegalStateException(ex);
    1.52 -        }
    1.53 -    }
    1.54 -
    1.55 -    @JavaScriptBody(args = { "arr", "expectedSize" }, body = 
    1.56 -        "while (expectedSize-- > arr.length) { arr.push(0); }; return arr;"
    1.57 -    )
    1.58 -    public static native byte[] expandArray(byte[] arr, int expectedSize);
    1.59 -
    1.60 -    @JavaScriptBody(args = {}, body = "return new Date().getTime();")
    1.61 -    private static native double currentTimeMillisDouble();
    1.62 -
    1.63 -    public static long currentTimeMillis() {
    1.64 -        return (long) currentTimeMillisDouble();
    1.65 -    }
    1.66 -
    1.67 -    public static long nanoTime() {
    1.68 -        return 1000000L * currentTimeMillis();
    1.69 -    }
    1.70 -    @JavaScriptBody(args = { "obj" }, body="return vm.java_lang_Object(false).hashCode__I.call(obj);")
    1.71 -    public static native int identityHashCode(Object obj);
    1.72 -}