jaroslav@560
|
1 |
/**
|
jaroslav@560
|
2 |
* Back 2 Browser Bytecode Translator
|
jaroslav@560
|
3 |
* Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
|
jaroslav@560
|
4 |
*
|
jaroslav@560
|
5 |
* This program is free software: you can redistribute it and/or modify
|
jaroslav@560
|
6 |
* it under the terms of the GNU General Public License as published by
|
jaroslav@560
|
7 |
* the Free Software Foundation, version 2 of the License.
|
jaroslav@560
|
8 |
*
|
jaroslav@560
|
9 |
* This program is distributed in the hope that it will be useful,
|
jaroslav@560
|
10 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
jaroslav@560
|
11 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
jaroslav@560
|
12 |
* GNU General Public License for more details.
|
jaroslav@560
|
13 |
*
|
jaroslav@560
|
14 |
* You should have received a copy of the GNU General Public License
|
jaroslav@560
|
15 |
* along with this program. Look for COPYING file in the top folder.
|
jaroslav@560
|
16 |
* If not, see http://opensource.org/licenses/GPL-2.0.
|
jaroslav@560
|
17 |
*/
|
jaroslav@560
|
18 |
package org.apidesign.bck2brwsr.emul.lang;
|
jaroslav@560
|
19 |
|
jaroslav@694
|
20 |
import java.lang.reflect.Method;
|
jaroslav@568
|
21 |
import org.apidesign.bck2brwsr.core.JavaScriptBody;
|
jaroslav@568
|
22 |
|
jaroslav@560
|
23 |
/**
|
jaroslav@560
|
24 |
*
|
jaroslav@560
|
25 |
* @author Jaroslav Tulach <jtulach@netbeans.org>
|
jaroslav@560
|
26 |
*/
|
jaroslav@560
|
27 |
public class System {
|
jaroslav@560
|
28 |
private System() {
|
jaroslav@560
|
29 |
}
|
jaroslav@560
|
30 |
|
jaroslav@568
|
31 |
@JavaScriptBody(args = { "value", "srcBegin", "dst", "dstBegin", "count" }, body =
|
jaroslav@568
|
32 |
"if (srcBegin < dstBegin) {\n" +
|
jaroslav@568
|
33 |
" while (count-- > 0) {\n" +
|
jaroslav@568
|
34 |
" dst[dstBegin + count] = value[srcBegin + count];\n" +
|
jaroslav@568
|
35 |
" }\n" +
|
jaroslav@568
|
36 |
"} else {\n" +
|
jaroslav@568
|
37 |
" while (count-- > 0) {\n" +
|
jaroslav@568
|
38 |
" dst[dstBegin++] = value[srcBegin++];\n" +
|
jaroslav@568
|
39 |
" }\n" +
|
jaroslav@568
|
40 |
"}"
|
jaroslav@568
|
41 |
)
|
jaroslav@694
|
42 |
public static void arraycopy(Object src, int srcBegin, Object dst, int dstBegin, int count) {
|
jaroslav@694
|
43 |
try {
|
jaroslav@694
|
44 |
Class<?> system = Class.forName("java.lang.System");
|
jaroslav@694
|
45 |
Method m = system.getMethod("arraycopy", Object.class, int.class, Object.class, int.class, int.class);
|
jaroslav@694
|
46 |
m.invoke(null, src, srcBegin, dst, dstBegin, count);
|
jaroslav@694
|
47 |
} catch (Exception ex) {
|
jaroslav@694
|
48 |
throw new IllegalStateException(ex);
|
jaroslav@694
|
49 |
}
|
jaroslav@694
|
50 |
}
|
jaroslav@595
|
51 |
|
jaroslav@595
|
52 |
@JavaScriptBody(args = { "arr", "expectedSize" }, body =
|
jaroslav@595
|
53 |
"while (expectedSize-- > arr.length) { arr.push(0); }; return arr;"
|
jaroslav@595
|
54 |
)
|
jaroslav@595
|
55 |
public static native byte[] expandArray(byte[] arr, int expectedSize);
|
jaroslav@599
|
56 |
|
jaroslav@835
|
57 |
@JavaScriptBody(args = { "arr", "expectedSize" }, body =
|
jaroslav@835
|
58 |
"while (expectedSize-- > arr.length) { arr.push(0); }; return arr;"
|
jaroslav@835
|
59 |
)
|
jaroslav@835
|
60 |
public static native char[] expandArray(char[] arr, int expectedSize);
|
jaroslav@835
|
61 |
|
jaroslav@704
|
62 |
@JavaScriptBody(args = {}, body = "return new Date().getTime();")
|
lubomir@755
|
63 |
private static native double currentTimeMillisDouble();
|
lubomir@755
|
64 |
|
lubomir@755
|
65 |
public static long currentTimeMillis() {
|
lubomir@755
|
66 |
return (long) currentTimeMillisDouble();
|
lubomir@755
|
67 |
}
|
lubomir@755
|
68 |
|
jaroslav@636
|
69 |
public static long nanoTime() {
|
jaroslav@668
|
70 |
return 1000000L * currentTimeMillis();
|
jaroslav@636
|
71 |
}
|
jaroslav@604
|
72 |
@JavaScriptBody(args = { "obj" }, body="return vm.java_lang_Object(false).hashCode__I.call(obj);")
|
jaroslav@604
|
73 |
public static native int identityHashCode(Object obj);
|
jaroslav@560
|
74 |
}
|