1.1 --- a/rt/pom.xml Thu Jun 26 07:42:54 2014 +0200
1.2 +++ b/rt/pom.xml Thu Jun 26 23:54:17 2014 +0200
1.3 @@ -19,4 +19,14 @@
1.4 <module>vmtest</module>
1.5 <module>aot</module>
1.6 </modules>
1.7 + <profiles>
1.8 + <profile>
1.9 + <activation>
1.10 + <jdk>1.8</jdk>
1.11 + </activation>
1.12 + <modules>
1.13 + <module>vm8</module>
1.14 + </modules>
1.15 + </profile>
1.16 + </profiles>
1.17 </project>
2.1 --- a/rt/vm/src/main/java/org/apidesign/vm4brwsr/ByteCodeParser.java Thu Jun 26 07:42:54 2014 +0200
2.2 +++ b/rt/vm/src/main/java/org/apidesign/vm4brwsr/ByteCodeParser.java Thu Jun 26 23:54:17 2014 +0200
2.3 @@ -58,6 +58,9 @@
2.4 public static final int CONSTANT_METHOD = 10;
2.5 public static final int CONSTANT_INTERFACEMETHOD = 11;
2.6 public static final int CONSTANT_NAMEANDTYPE = 12;
2.7 + public static final int CONSTANT_METHODHANDLE = 15;
2.8 + public static final int CONSTANT_METHODTYPE = 16;
2.9 + public static final int CONSTANT_INVOKEDYNAMIC = 18;
2.10
2.11 /* Access Flags */
2.12 public static final int ACC_PUBLIC = 0x00000001;
2.13 @@ -668,7 +671,17 @@
2.14 case CONSTANT_NAMEANDTYPE:
2.15 cpool[i] = new CPX2(in.readUnsignedShort(), in.readUnsignedShort());
2.16 break;
2.17 -
2.18 + case CONSTANT_METHODHANDLE:
2.19 + in.readByte();
2.20 + in.readUnsignedShort();
2.21 + break;
2.22 + case CONSTANT_METHODTYPE:
2.23 + in.readUnsignedShort();
2.24 + break;
2.25 + case CONSTANT_INVOKEDYNAMIC:
2.26 + in.readUnsignedShort();
2.27 + in.readUnsignedShort();
2.28 + break;
2.29 case 0:
2.30 default:
2.31 throw new ClassFormatError("invalid constant type: " + (int) tags[i]);
3.1 --- a/rt/vm/src/main/java/org/apidesign/vm4brwsr/ByteCodeToJavaScript.java Thu Jun 26 07:42:54 2014 +0200
3.2 +++ b/rt/vm/src/main/java/org/apidesign/vm4brwsr/ByteCodeToJavaScript.java Thu Jun 26 23:54:17 2014 +0200
3.3 @@ -19,7 +19,6 @@
3.4
3.5 import java.io.IOException;
3.6 import java.io.InputStream;
3.7 -import java.util.Locale;
3.8 import static org.apidesign.vm4brwsr.ByteCodeParser.*;
3.9
3.10 /** Translator of the code inside class files to JavaScript.
3.11 @@ -1558,7 +1557,7 @@
3.12 sb.append(ch);
3.13 } else {
3.14 sb.append("_0");
3.15 - String hex = Integer.toHexString(ch).toLowerCase(Locale.ENGLISH);
3.16 + String hex = Integer.toHexString(ch).toLowerCase();
3.17 for (int m = hex.length(); m < 4; m++) {
3.18 sb.append("0");
3.19 }
4.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
4.2 +++ b/rt/vm8/pom.xml Thu Jun 26 23:54:17 2014 +0200
4.3 @@ -0,0 +1,39 @@
4.4 +<?xml version="1.0" encoding="UTF-8"?>
4.5 +<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
4.6 + <modelVersion>4.0.0</modelVersion>
4.7 + <parent>
4.8 + <groupId>org.apidesign.bck2brwsr</groupId>
4.9 + <artifactId>rt</artifactId>
4.10 + <version>1.0-SNAPSHOT</version>
4.11 + </parent>
4.12 + <artifactId>vm8</artifactId>
4.13 + <name>Bck2Brwsr on JDK8</name>
4.14 + <packaging>jar</packaging>
4.15 + <build>
4.16 + <plugins>
4.17 + <plugin>
4.18 + <groupId>org.apache.maven.plugins</groupId>
4.19 + <artifactId>maven-compiler-plugin</artifactId>
4.20 + <version>2.3.2</version>
4.21 + <configuration>
4.22 + <source>1.8</source>
4.23 + <target>1.8</target>
4.24 + </configuration>
4.25 + </plugin>
4.26 + </plugins>
4.27 + </build>
4.28 + <dependencies>
4.29 + <dependency>
4.30 + <groupId>org.testng</groupId>
4.31 + <artifactId>testng</artifactId>
4.32 + <scope>test</scope>
4.33 + </dependency>
4.34 + <dependency>
4.35 + <groupId>org.apidesign.bck2brwsr</groupId>
4.36 + <artifactId>vm4brwsr</artifactId>
4.37 + <version>${project.version}</version>
4.38 + <scope>test</scope>
4.39 + <type>jar</type>
4.40 + </dependency>
4.41 + </dependencies>
4.42 +</project>
4.43 \ No newline at end of file
5.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
5.2 +++ b/rt/vm8/src/test/java/org/apidesign/bck2brwsr/vm8/BytesLoader.java Thu Jun 26 23:54:17 2014 +0200
5.3 @@ -0,0 +1,69 @@
5.4 +/**
5.5 + * Back 2 Browser Bytecode Translator
5.6 + * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
5.7 + *
5.8 + * This program is free software: you can redistribute it and/or modify
5.9 + * it under the terms of the GNU General Public License as published by
5.10 + * the Free Software Foundation, version 2 of the License.
5.11 + *
5.12 + * This program is distributed in the hope that it will be useful,
5.13 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
5.14 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
5.15 + * GNU General Public License for more details.
5.16 + *
5.17 + * You should have received a copy of the GNU General Public License
5.18 + * along with this program. Look for COPYING file in the top folder.
5.19 + * If not, see http://opensource.org/licenses/GPL-2.0.
5.20 + */
5.21 +package org.apidesign.bck2brwsr.vm8;
5.22 +
5.23 +import java.io.IOException;
5.24 +import java.io.InputStream;
5.25 +import java.net.URL;
5.26 +import java.util.Enumeration;
5.27 +
5.28 +/**
5.29 + *
5.30 + * @author Jaroslav Tulach <jtulach@netbeans.org>
5.31 + */
5.32 +public final class BytesLoader {
5.33 + public byte[] get(String name) throws IOException {
5.34 + byte[] arr = readClass(name);
5.35 + /*
5.36 + System.err.print("loader['" + name + "'] = [");
5.37 + for (int i = 0; i < arr.length; i++) {
5.38 + if (i > 0) {
5.39 + System.err.print(", ");
5.40 + }
5.41 + System.err.print(arr[i]);
5.42 + }
5.43 + System.err.println("]");
5.44 + */
5.45 + return arr;
5.46 + }
5.47 +
5.48 + static byte[] readClass(String name) throws IOException {
5.49 + URL u = null;
5.50 + Enumeration<URL> en = BytesLoader.class.getClassLoader().getResources(name);
5.51 + while (en.hasMoreElements()) {
5.52 + u = en.nextElement();
5.53 + }
5.54 + if (u == null) {
5.55 + throw new IOException("Can't find " + name);
5.56 + }
5.57 + try (InputStream is = u.openStream()) {
5.58 + byte[] arr;
5.59 + arr = new byte[is.available()];
5.60 + int offset = 0;
5.61 + while (offset < arr.length) {
5.62 + int len = is.read(arr, offset, arr.length - offset);
5.63 + if (len == -1) {
5.64 + throw new IOException("Can't read " + name);
5.65 + }
5.66 + offset += len;
5.67 + }
5.68 + return arr;
5.69 + }
5.70 + }
5.71 +
5.72 +}
6.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
6.2 +++ b/rt/vm8/src/test/java/org/apidesign/bck2brwsr/vm8/Lambdas.java Thu Jun 26 23:54:17 2014 +0200
6.3 @@ -0,0 +1,36 @@
6.4 +/**
6.5 + * Back 2 Browser Bytecode Translator
6.6 + * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
6.7 + *
6.8 + * This program is free software: you can redistribute it and/or modify
6.9 + * it under the terms of the GNU General Public License as published by
6.10 + * the Free Software Foundation, version 2 of the License.
6.11 + *
6.12 + * This program is distributed in the hope that it will be useful,
6.13 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
6.14 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
6.15 + * GNU General Public License for more details.
6.16 + *
6.17 + * You should have received a copy of the GNU General Public License
6.18 + * along with this program. Look for COPYING file in the top folder.
6.19 + * If not, see http://opensource.org/licenses/GPL-2.0.
6.20 + */
6.21 +package org.apidesign.bck2brwsr.vm8;
6.22 +
6.23 +/**
6.24 + *
6.25 + * @author Jaroslav Tulach
6.26 + */
6.27 +public class Lambdas {
6.28 + private static void fewTimes(Runnable r, int cnt) {
6.29 + while (cnt-- > 0) {
6.30 + r.run();
6.31 + }
6.32 + }
6.33 +
6.34 + public static String compound() {
6.35 + StringBuilder sb = new StringBuilder();
6.36 + fewTimes(() -> sb.append('X'), 10);
6.37 + return sb.toString();
6.38 + }
6.39 +}
7.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
7.2 +++ b/rt/vm8/src/test/java/org/apidesign/bck2brwsr/vm8/LambdasTest.java Thu Jun 26 23:54:17 2014 +0200
7.3 @@ -0,0 +1,53 @@
7.4 +/**
7.5 + * Back 2 Browser Bytecode Translator
7.6 + * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
7.7 + *
7.8 + * This program is free software: you can redistribute it and/or modify
7.9 + * it under the terms of the GNU General Public License as published by
7.10 + * the Free Software Foundation, version 2 of the License.
7.11 + *
7.12 + * This program is distributed in the hope that it will be useful,
7.13 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
7.14 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
7.15 + * GNU General Public License for more details.
7.16 + *
7.17 + * You should have received a copy of the GNU General Public License
7.18 + * along with this program. Look for COPYING file in the top folder.
7.19 + * If not, see http://opensource.org/licenses/GPL-2.0.
7.20 + */
7.21 +package org.apidesign.bck2brwsr.vm8;
7.22 +
7.23 +import org.testng.annotations.BeforeClass;
7.24 +import static org.testng.Assert.*;
7.25 +import org.testng.annotations.AfterClass;
7.26 +import org.testng.annotations.Test;
7.27 +
7.28 +/**
7.29 + *
7.30 + * @author Jaroslav Tulach <jtulach@netbeans.org>
7.31 + */
7.32 +public class LambdasTest {
7.33 + private static TestVM code;
7.34 +
7.35 + @Test public void verifyJSTime() throws Exception {
7.36 + String exp = Lambdas.compound();
7.37 +
7.38 + Object js = code.execCode("Get js time",
7.39 + Lambdas.class, "compound__Ljava_lang_String_2",
7.40 + exp
7.41 + );
7.42 + }
7.43 +
7.44 +
7.45 + @BeforeClass
7.46 + public static void compileTheCode() throws Exception {
7.47 + code = TestVM.compileClass(
7.48 + "org/apidesign/bck2brwsr/vm8/Lambdas");
7.49 + }
7.50 + @AfterClass
7.51 + public static void releaseTheCode() {
7.52 + code = null;
7.53 + }
7.54 +
7.55 +}
7.56 +
8.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
8.2 +++ b/rt/vm8/src/test/java/org/apidesign/bck2brwsr/vm8/TestVM.java Thu Jun 26 23:54:17 2014 +0200
8.3 @@ -0,0 +1,310 @@
8.4 +/**
8.5 + * Back 2 Browser Bytecode Translator
8.6 + * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
8.7 + *
8.8 + * This program is free software: you can redistribute it and/or modify
8.9 + * it under the terms of the GNU General Public License as published by
8.10 + * the Free Software Foundation, version 2 of the License.
8.11 + *
8.12 + * This program is distributed in the hope that it will be useful,
8.13 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
8.14 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
8.15 + * GNU General Public License for more details.
8.16 + *
8.17 + * You should have received a copy of the GNU General Public License
8.18 + * along with this program. Look for COPYING file in the top folder.
8.19 + * If not, see http://opensource.org/licenses/GPL-2.0.
8.20 + */
8.21 +package org.apidesign.bck2brwsr.vm8;
8.22 +
8.23 +import java.io.ByteArrayInputStream;
8.24 +import java.io.File;
8.25 +import java.io.FileWriter;
8.26 +import java.io.IOException;
8.27 +import java.io.InputStream;
8.28 +import java.net.URL;
8.29 +import java.util.ArrayList;
8.30 +import java.util.Arrays;
8.31 +import java.util.Enumeration;
8.32 +import java.util.HashSet;
8.33 +import java.util.List;
8.34 +import java.util.Set;
8.35 +import javax.script.Invocable;
8.36 +import javax.script.ScriptContext;
8.37 +import javax.script.ScriptEngine;
8.38 +import javax.script.ScriptEngineManager;
8.39 +import javax.script.ScriptException;
8.40 +import org.apidesign.vm4brwsr.Bck2Brwsr;
8.41 +import org.apidesign.vm4brwsr.ObfuscationLevel;
8.42 +import static org.testng.Assert.*;
8.43 +
8.44 +public final class TestVM {
8.45 + private final Invocable code;
8.46 + private final CharSequence codeSeq;
8.47 + private final Object bck2brwsr;
8.48 + private BytesLoader resources;
8.49 +
8.50 +
8.51 + private TestVM(Invocable code, CharSequence codeSeq) throws ScriptException, NoSuchMethodException {
8.52 + this.code = code;
8.53 + this.codeSeq = codeSeq;
8.54 + this.bck2brwsr = ((ScriptEngine)code).eval("bck2brwsr(function(n) { return loader.get(n); })");
8.55 + ((ScriptEngine)code).getContext().setAttribute("loader", this, ScriptContext.ENGINE_SCOPE);
8.56 + }
8.57 +
8.58 + public void register(BytesLoader res) {
8.59 + this.resources = res;
8.60 + }
8.61 +
8.62 + public byte[] get(String res) throws IOException {
8.63 + return resources != null ? resources.get(res) : null;
8.64 + }
8.65 +
8.66 + public Object execCode(
8.67 + String msg, Class<?> clazz, String method,
8.68 + Object expRes, Object... args
8.69 + ) throws Exception {
8.70 + Object ret = null;
8.71 + try {
8.72 + ret = code.invokeMethod(bck2brwsr, "loadClass", clazz.getName());
8.73 + List<Object> ma = new ArrayList<>();
8.74 + ma.add(method);
8.75 + ma.addAll(Arrays.asList(args));
8.76 + ret = code.invokeMethod(ret, "invoke", ma.toArray());
8.77 + } catch (ScriptException ex) {
8.78 + fail("Execution failed in " + dumpJS(codeSeq) + ": " + ex.getMessage(), ex);
8.79 + } catch (NoSuchMethodException ex) {
8.80 + fail("Cannot find method in " + dumpJS(codeSeq), ex);
8.81 + }
8.82 + if (ret == null && expRes == null) {
8.83 + return null;
8.84 + }
8.85 + if (expRes != null && expRes.equals(ret)) {
8.86 + return null;
8.87 + }
8.88 + if (expRes instanceof Number) {
8.89 + // in case of Long it is necessary convert it to number
8.90 + // since the Long is represented by two numbers in JavaScript
8.91 + try {
8.92 + final Object toFP = ((ScriptEngine)code).eval("Number.prototype.toFP");
8.93 + if (ret instanceof Long) {
8.94 + ret = code.invokeMethod(toFP, "call", ret);
8.95 + }
8.96 + ret = code.invokeFunction("Number", ret);
8.97 + } catch (ScriptException ex) {
8.98 + fail("Conversion to number failed in " + dumpJS(codeSeq) + ": " + ex.getMessage(), ex);
8.99 + } catch (NoSuchMethodException ex) {
8.100 + fail("Cannot find global Number(x) function in " + dumpJS(codeSeq) + ": " + ex.getMessage(), ex);
8.101 + }
8.102 + }
8.103 + return ret;
8.104 + }
8.105 +
8.106 + void assertExec(
8.107 + String msg, Class clazz, String method, Object expRes, Object... args
8.108 + ) throws Exception {
8.109 + Object ret = execCode(msg, clazz, method, expRes, args);
8.110 + if (ret == null) {
8.111 + return;
8.112 + }
8.113 + if (expRes instanceof Integer && ret instanceof Double) {
8.114 + expRes = ((Integer)expRes).doubleValue();
8.115 + }
8.116 + if (expRes != null && expRes.equals(ret)) {
8.117 + return;
8.118 + }
8.119 + assertEquals(ret, expRes, msg + "was: " + ret + "\n" + dumpJS(codeSeq));
8.120 + }
8.121 +
8.122 + static TestVM compileClass(String... names) throws ScriptException, IOException {
8.123 + return compileClass(null, names);
8.124 + }
8.125 +
8.126 + static TestVM compileClass(StringBuilder sb, String... names) throws ScriptException, IOException {
8.127 + return compileClass(sb, null, names);
8.128 + }
8.129 +
8.130 + static TestVM compileClass(StringBuilder sb, ScriptEngine[] eng, String... names) throws ScriptException, IOException {
8.131 + if (sb == null) {
8.132 + sb = new StringBuilder();
8.133 + }
8.134 + Bck2Brwsr.generate(sb, new EmulationResources(), names);
8.135 + ScriptEngineManager sem = new ScriptEngineManager();
8.136 + ScriptEngine js = sem.getEngineByExtension("js");
8.137 + if (eng != null) {
8.138 + eng[0] = js;
8.139 + }
8.140 + try {
8.141 + Object res = js.eval(sb.toString());
8.142 + assertTrue(js instanceof Invocable, "It is invocable object: " + res);
8.143 + return new TestVM((Invocable) js, sb);
8.144 + } catch (Exception ex) {
8.145 + if (sb.length() > 2000) {
8.146 + sb = dumpJS(sb);
8.147 + }
8.148 + fail("Could not evaluate:" + ex.getClass() + ":" + ex.getMessage() + "\n" + sb, ex);
8.149 + return null;
8.150 + }
8.151 + }
8.152 +
8.153 + static TestVM compileClassAsExtension(
8.154 + StringBuilder sb, ScriptEngine[] eng,
8.155 + String name, final String resourceName, final String resourceContent
8.156 + ) throws ScriptException, IOException {
8.157 + return compileClassesAsExtension(sb, eng, resourceName, resourceContent, name);
8.158 + }
8.159 + static TestVM compileClassesAsExtension(
8.160 + StringBuilder sb, ScriptEngine[] eng,
8.161 + final String resourceName, final String resourceContent, String... names
8.162 + ) throws ScriptException, IOException {
8.163 + if (sb == null) {
8.164 + sb = new StringBuilder();
8.165 + }
8.166 + if (eng[0] == null) {
8.167 + ScriptEngineManager sem = new ScriptEngineManager();
8.168 + ScriptEngine js = sem.getEngineByExtension("js");
8.169 + eng[0] = js;
8.170 + Bck2Brwsr.generate(sb, new EmulationResources());
8.171 + }
8.172 + Set<String> exp = new HashSet<String>();
8.173 + for (String n : names) {
8.174 + int last = n.lastIndexOf('/');
8.175 + exp.add(n.substring(0, last + 1));
8.176 + }
8.177 + Bck2Brwsr b2b = Bck2Brwsr.newCompiler().
8.178 + resources(new EmulationResources() {
8.179 + @Override
8.180 + public InputStream get(String name) throws IOException {
8.181 + if (name.equals(resourceName)) {
8.182 + return new ByteArrayInputStream(resourceContent.getBytes("UTF-8"));
8.183 + }
8.184 + return super.get(name);
8.185 + }
8.186 + }).
8.187 + addClasses(names).
8.188 + addResources("org/apidesign/vm4brwsr/obj.js").
8.189 + addExported(exp.toArray(new String[0])).
8.190 + obfuscation(ObfuscationLevel.FULL).
8.191 + library();
8.192 + if (resourceName != null) {
8.193 + b2b = b2b.addResources(resourceName);
8.194 + }
8.195 + b2b.generate(sb);
8.196 + try {
8.197 + defineAtoB(eng[0]);
8.198 + Object res = eng[0].eval(sb.toString());
8.199 + assertTrue(eng[0] instanceof Invocable, "It is invocable object: " + res);
8.200 + return new TestVM((Invocable) eng[0], sb);
8.201 + } catch (Exception ex) {
8.202 + if (sb.length() > 2000) {
8.203 + sb = dumpJS(sb);
8.204 + }
8.205 + fail("Could not evaluate:" + ex.getClass() + ":" + ex.getMessage() + "\n" + sb, ex);
8.206 + return null;
8.207 + }
8.208 + }
8.209 +
8.210 + static TestVM compileClassAndResources(StringBuilder sb, ScriptEngine[] eng, String name, String... resources) throws ScriptException, IOException {
8.211 + if (sb == null) {
8.212 + sb = new StringBuilder();
8.213 + }
8.214 + Bck2Brwsr b2b = Bck2Brwsr.newCompiler().
8.215 + resources(new EmulationResources()).
8.216 + addRootClasses(name).
8.217 + addResources(resources);
8.218 + b2b.generate(sb);
8.219 + ScriptEngineManager sem = new ScriptEngineManager();
8.220 + ScriptEngine js = sem.getEngineByExtension("js");
8.221 + if (eng != null) {
8.222 + eng[0] = js;
8.223 + }
8.224 + try {
8.225 + defineAtoB(js);
8.226 +
8.227 + Object res = js.eval(sb.toString());
8.228 + assertTrue(js instanceof Invocable, "It is invocable object: " + res);
8.229 + return new TestVM((Invocable) js, sb);
8.230 + } catch (Exception ex) {
8.231 + if (sb.length() > 2000) {
8.232 + sb = dumpJS(sb);
8.233 + }
8.234 + fail("Could not evaluate:" + ex.getClass() + ":" + ex.getMessage() + "\n" + sb, ex);
8.235 + return null;
8.236 + }
8.237 + }
8.238 +
8.239 + private static void defineAtoB(ScriptEngine js) throws ScriptException {
8.240 + js.eval("atob = function(s) { return new String(org.apidesign.vm4brwsr.ResourcesTest.parseBase64Binary(s)); }");
8.241 + }
8.242 +
8.243 +// Object loadClass(String loadClass, String name) throws ScriptException, NoSuchMethodException {
8.244 +// return code.invokeMethod(bck2brwsr, "loadClass", Exceptions.class.getName());
8.245 +// }
8.246 +
8.247 + Object invokeMethod(Object obj, String method, Object... params) throws ScriptException, NoSuchMethodException {
8.248 + return code.invokeMethod(obj, method, params);
8.249 + }
8.250 +
8.251 + Object invokeFunction(String methodName, Object... args) throws ScriptException, NoSuchMethodException {
8.252 + return code.invokeFunction(methodName, args);
8.253 + }
8.254 +
8.255 + static StringBuilder dumpJS(CharSequence sb) throws IOException {
8.256 + File f = File.createTempFile("execution", ".js");
8.257 + FileWriter w = new FileWriter(f);
8.258 + w.append(sb);
8.259 + w.close();
8.260 + return new StringBuilder(f.getPath());
8.261 + }
8.262 +
8.263 + @Override
8.264 + public String toString() {
8.265 + try {
8.266 + return dumpJS(codeSeq).toString();
8.267 + } catch (IOException ex) {
8.268 + return ex.toString();
8.269 + }
8.270 + }
8.271 +
8.272 + final CharSequence codeSeq() {
8.273 + return codeSeq;
8.274 + }
8.275 +
8.276 + private static class EmulationResources implements Bck2Brwsr.Resources {
8.277 + @Override
8.278 + public InputStream get(String name) throws IOException {
8.279 + if ("java/net/URI.class".equals(name)) {
8.280 + // skip
8.281 + return null;
8.282 + }
8.283 + if ("java/net/URLConnection.class".equals(name)) {
8.284 + // skip
8.285 + return null;
8.286 + }
8.287 + if ("java/lang/System.class".equals(name)) {
8.288 + // skip
8.289 + return null;
8.290 + }
8.291 + if ("java/io/PrintStream.class".equals(name)) {
8.292 + // skip
8.293 + return null;
8.294 + }
8.295 + if ("java/io/PrintWriter.class".equals(name)) {
8.296 + // skip
8.297 + return null;
8.298 + }
8.299 + Enumeration<URL> en = TestVM.class.getClassLoader().getResources(name);
8.300 + URL u = null;
8.301 + while (en.hasMoreElements()) {
8.302 + u = en.nextElement();
8.303 + }
8.304 + if (u == null) {
8.305 + throw new IOException("Can't find " + name);
8.306 + }
8.307 + if (u.toExternalForm().contains("rt.jar!")) {
8.308 + throw new IOException("No emulation for " + u);
8.309 + }
8.310 + return u.openStream();
8.311 + }
8.312 + }
8.313 +}