Merge branch 'jtulach_resources' into release-0.4.x

README.md

@@ -30,7 +30,7 @@ The easiest way to create a new TeaVM project is to type in the command line:
     mvn -DarchetypeCatalog=local \
       -DarchetypeGroupId=org.teavm \
       -DarchetypeArtifactId=teavm-maven-webapp \
-      -DarchetypeVersion=0.3.2 archetype:generate
+      -DarchetypeVersion=0.4.0 archetype:generate
 
 Now you can execute `mvn clean package` and get the generated `war` file.
 Deploy this `war` in Tomcat or another container, or simply unzip it and open the `index.html` page.
@@ -38,7 +38,7 @@ Deploy this `war` in Tomcat or another container, or simply unzip it and open th
 It is much easier to develop TeaVM applications using Eclipse.
 If you prefer Eclipse, please read [this tutorial](https://github.com/konsoletyper/teavm/wiki/Eclipse-tutorial).
 
-To learn TeaVM deeper, you take a look at the [teavm-samples](teavm-samples) module,
+To learn TeaVM deeper, you take a look at the [samples](samples) module,
 containing examples of TeaVM-based projects.
 Also you can read [project's wiki](https://github.com/konsoletyper/teavm/wiki/).
 

classlib/src/main/java/org/teavm/classlib/java/lang/TClass.java

@@ -15,12 +15,15 @@
  */
 package org.teavm.classlib.java.lang;
 
+import java.io.ByteArrayInputStream;
+import java.io.InputStream;
 import java.util.HashMap;
 import java.util.Map;
 
 import org.teavm.classlib.impl.DeclaringClassMetadataGenerator;
 import org.teavm.classlib.java.lang.annotation.TAnnotation;
 import org.teavm.classlib.java.lang.reflect.TAnnotatedElement;
+import org.teavm.jso.JSBody;
 import org.teavm.platform.Platform;
 import org.teavm.platform.PlatformClass;
 import org.teavm.platform.metadata.ClassResource;
@@ -266,4 +269,24 @@ public class TClass<T> extends TObject implements TAnnotatedElement {
             annotationsByType.put((TClass<?>) (Object) annot.annotationType(), annot);
         }
     }
+
+    @JSBody(params = "res", script = 
+        "if (!window.teaVMResources) return null;\n"
+      + "var data = window.teaVMResources[res];\n"
+      + "return data ? window.atob(data) : null;\n"
+    )
+    private static native String readResource(String message);
+
+    public InputStream getResourceAsStream(String name) {
+        TString clazzName = getName();
+        int lastDot = clazzName.lastIndexOf('.');
+        String resName;
+        if (lastDot == -1) {
+            resName = name;
+        } else {
+            resName = clazzName.substring(0, lastDot).replace('.', '/') + "/" + name;
+        }
+        String data = readResource(resName);
+        return data == null ? null : new ByteArrayInputStream(data.getBytes());
+    }
 }

html4j/src/main/java/org/teavm/html4j/HTML4JPlugin.java

@@ -29,5 +29,6 @@ public class HTML4JPlugin implements TeaVMPlugin {
         host.add(new JavaScriptBodyTransformer());
         host.add(new JCLHacks());
         host.add(new JavaScriptResourceInterceptor());
+        host.add(new ResourcesInterceptor());
     }
 }

html4j/src/main/java/org/teavm/html4j/ResourcesInterceptor.java

@@ -0,0 +1,66 @@
+/*
+ *  Copyright 2014 Alexey Andreev.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package org.teavm.html4j;
+
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.Base64;
+import java.util.HashSet;
+import java.util.Set;
+import org.apache.commons.io.IOUtils;
+import org.teavm.codegen.SourceWriter;
+import org.teavm.javascript.RenderingContext;
+import org.teavm.vm.BuildTarget;
+import org.teavm.vm.spi.AbstractRendererListener;
+
+/**
+ *
+ * @author Jaroslav Tulach
+ */
+public class ResourcesInterceptor extends AbstractRendererListener {
+    private final Set<String> processed = new HashSet<>();
+    @Override
+    public void begin(RenderingContext context, BuildTarget buildTarget) throws IOException {
+        boolean hasOneResource = false;
+        for (String className : context.getClassSource().getClassNames()) {
+            final int lastDot = className.lastIndexOf('.');
+            if (lastDot == -1) {
+                continue;
+            }
+            String packageName = className.substring(0, lastDot);
+            String resourceName = packageName.replace('.', '/') + "/" + "jvm.txt";
+            try (InputStream input = context.getClassLoader().getResourceAsStream(resourceName)) {
+                if (input == null || !processed.add(resourceName)) {
+                    continue;
+                }
+                ByteArrayOutputStream arr = new ByteArrayOutputStream();
+                IOUtils.copy(input, arr);
+                String base64 = Base64.getEncoder().encodeToString(arr.toByteArray());
+                input.close();
+                final SourceWriter w = context.getWriter();
+                w.append("// Resource " + resourceName + " included by " + className).newLine();
+                w.append("if (!window.teaVMResources) window.teaVMResources = {};").newLine();
+                w.append("window.teaVMResources['" + resourceName + "'] = '");
+                w.append(base64).append("';").newLine().newLine();
+            }
+            hasOneResource = true;
+        }
+        if (hasOneResource) {
+            context.getWriter().append("// TeaVM generated classes").newLine();
+        }
+    }
+}

html4j/src/test/java/org/teavm/html4j/test/JavaScriptBodyTest.java

@@ -15,9 +15,14 @@
  */
 package org.teavm.html4j.test;
 
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
 import static org.junit.Assert.assertEquals;
 import java.util.Calendar;
 import net.java.html.js.JavaScriptBody;
+import static org.junit.Assert.assertNotNull;
 import org.junit.Test;
 
 /**
@@ -25,6 +30,16 @@ import org.junit.Test;
  * @author Alexey Andreev
  */
 public class JavaScriptBodyTest {
+    @Test
+    public void readResource() throws IOException {
+        InputStream is = JavaScriptBodyTest.class.getResourceAsStream("jvm.txt");
+        assertNotNull("Resource jvm.txt found", is);
+        try (BufferedReader r = new BufferedReader(new InputStreamReader(is))) {
+            String line = r.readLine();
+            assertEquals("Line read", "TeaVM", line);
+        }
+    }
+
     @Test
     public void javaScriptBodyHandled() {
         assertEquals(23, simpleNativeMethod());

html4j/src/test/resources/org/teavm/html4j/test/jvm.txt

@@ -0,0 +1 @@
+TeaVM

samples/benchmark/pom.xml

@@ -18,6 +18,10 @@
   <name>TeaVM performance benchmark</name>
   <description>Compares performance of the JavaScript code produced by TeaVM and GWT</description>
   
+  <properties>
+      <bck2brwsr.version>0.14</bck2brwsr.version>
+  </properties>
+
   <dependencies>
     <dependency>
       <groupId>org.teavm</groupId>
@@ -43,6 +47,12 @@
       <classifier>sources</classifier>
       <scope>provided</scope>
     </dependency>
+    <dependency>
+      <groupId>org.apidesign.bck2brwsr</groupId>
+      <artifactId>emul</artifactId>
+      <version>${bck2brwsr.version}</version>
+      <classifier>rt</classifier>
+    </dependency>
     <dependency>
       <groupId>com.google.gwt</groupId>
       <artifactId>gwt-user</artifactId>
@@ -54,6 +64,20 @@
       <artifactId>html5-canvas</artifactId>
       <version>0.7.2</version>
     </dependency>
+    <dependency>
+      <groupId>com.dukescript.canvas</groupId>
+      <artifactId>canvas-api</artifactId>
+      <version>0.7.2</version>
+      <classifier>bck2brwsr</classifier>
+      <scope>provided</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.apidesign.bck2brwsr</groupId>
+      <artifactId>ko-bck2brwsr</artifactId>
+      <version>${bck2brwsr.version}</version>
+      <classifier>bck2brwsr</classifier>
+      <scope>provided</scope>
+    </dependency>
     <dependency>
       <groupId>org.netbeans.html</groupId>
       <artifactId>net.java.html.boot</artifactId>
@@ -136,6 +160,32 @@
           </execution>
         </executions>
       </plugin>
+        <plugin>
+            <groupId>org.apidesign.bck2brwsr</groupId>
+            <artifactId>bck2brwsr-maven-plugin</artifactId>
+            <version>${bck2brwsr.version}</version>
+            <executions>
+                <execution>
+                    <phase>prepare-package</phase>
+                    <goals>
+                        <goal>aot</goal>
+                    </goals>
+                </execution>
+            </executions>
+            <configuration>
+                <obfuscation>NONE</obfuscation>
+                <classPathPrefix>lib</classPathPrefix>
+                <mainJavaScript>${project.build.directory}/generated/js/b2b-benchmark.js</mainJavaScript>
+                <vm>${project.build.directory}/generated/js/bck2brwsr.js</vm>
+                <exports>
+                    <export>org.teavm.samples.benchmark.htmljava.BenchmarkStarter</export>
+                    <export>org/jbox2d/collision/shapes/</export>
+                    <export>org/jbox2d/common/</export>
+                    <export>org/jbox2d/dynamics/</export>
+                    <export>org/jbox2d/dynamics/joints/</export>
+                </exports>
+            </configuration>
+        </plugin>
       <plugin>
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-checkstyle-plugin</artifactId>

samples/benchmark/src/main/webapp/bck2brwsr.html

@@ -0,0 +1,46 @@
+<!--
+    Copyright 2014 Alexey Andreev.
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+         http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+-->
+<!DOCTYPE html>
+<html>
+  <head>
+    <meta http-equiv="Content-Type" content="text/html;charset=utf-8">
+    <title>Bck2Brwsr jbox2d benchmark</title>
+  </head>
+  <body>
+    <h1>Bck2Brwsr performance</h1>
+    <div>
+      <canvas id="benchmark-canvas" width="600" height="600"></canvas>
+    </div>
+    <table>
+      <thead>
+        <tr>
+          <th>Second</th>
+          <th>Time spent computing, ms</th>
+        </tr>
+      </thead>
+      <tbody id="result-table-body">
+      </tbody>
+    </table>
+    
+        <!-- boot bck2brwsr -->
+        <script type="text/javascript" src="bck2brwsr.js"></script>
+        <script>
+            var vm = bck2brwsr('b2b-benchmark.js');
+            var c = vm.loadClass('org.teavm.samples.benchmark.htmljava.BenchmarkStarter');
+            c.invoke('main');
+        </script>
+    
+</html>

samples/benchmark/src/main/webapp/index.html

@@ -17,13 +17,14 @@
 <html>
   <head>
     <meta http-equiv="Content-Type" content="text/html;charset=utf-8">
-    <title>TeaVM vs. GWT performance comparison</title>
+    <title>TeaVM vs. GWT vs. Bck2Brwsr performance comparison</title>
   </head>
   <body onload="main()">
-    <h1>TeaVM vs. GWT performance</h1>
+    <h1>TeaVM vs. GWT vs. Bck2Brwsr performance</h1>
     <ul>
       <li><a href="teavm.html">TeaVM</a></li>
       <li><a href="gwt.html">GWT</a></li>
+      <li><a href="bck2brwsr.html">Bck2Brwsr VM</a></li>
     </ul>
   </body>
 </html>