mirror of
https://github.com/Eaglercraft-TeaVM-Fork/eagler-teavm.git
synced 2024-12-22 08:14:09 -08:00
Adds utility that checks which classes are implemented in JCL emulation
and produces JSON report
This commit is contained in:
konsoletyper
parent
d714e880d3
commit
a29318668e
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@ -58,6 +58,34 @@
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</execution>
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</executions>
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</plugin>
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<plugin>
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<groupId>org.codehaus.mojo</groupId>
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<artifactId>exec-maven-plugin</artifactId>
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<version>1.2.1</version>
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<executions>
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<execution>
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<goals>
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<goal>java</goal>
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</goals>
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<phase>process-test-classes</phase>
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</execution>
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</executions>
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<configuration>
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<mainClass>org.teavm.classlib.impl.JCLComparisonBuilder</mainClass>
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<arguments>
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<argument>java.lang</argument>
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<argument>java.lang.annotation</argument>
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<argument>java.lang.reflect</argument>
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<argument>java.io</argument>
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<argument>java.net</argument>
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<argument>java.util</argument>
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<argument>java.util.logging</argument>
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<argument>java.util.concurrent</argument>
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<argument>-output</argument>
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<argument>${project.build.directory}/jcl-report/jcl-comparision.json</argument>
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</arguments>
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</configuration>
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</plugin>
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</plugins>
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<pluginManagement>
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<plugins>
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@ -0,0 +1,121 @@
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/*
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* Copyright 2014 Alexey Andreev.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.teavm.classlib.impl;
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import java.io.*;
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import java.net.URL;
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import java.util.HashSet;
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import java.util.Set;
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import java.util.jar.JarEntry;
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import java.util.jar.JarInputStream;
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import org.objectweb.asm.ClassReader;
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import org.teavm.parsing.ClasspathClassHolderSource;
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/**
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*
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* @author Alexey Andreev
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*/
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public class JCLComparisonBuilder {
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private static final String JAR_PREFIX = "jar:file:";
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private static final String JAR_SUFFIX = "!/java/lang/Object.class";
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private static final String CLASS_SUFFIX = ".class";
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private Set<String> packages = new HashSet<>();
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private ClassLoader classLoader = JCLComparisonBuilder.class.getClassLoader();
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private JCLComparisonVisitor visitor;
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private String outputFile;
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public ClassLoader getClassLoader() {
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return classLoader;
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}
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public void setClassLoader(ClassLoader classLoader) {
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this.classLoader = classLoader;
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}
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public Set<String> getPackages() {
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return packages;
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}
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public String getOutputFile() {
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return outputFile;
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}
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public void setOutputFile(String outputFile) {
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this.outputFile = outputFile;
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}
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public static void main(String[] args) throws IOException {
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if (args.length == 0) {
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System.err.println("Usage: package.name [package.name2 ...]");
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System.exit(1);
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}
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JCLComparisonBuilder builder = new JCLComparisonBuilder();
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for (int i = 0; i < args.length; ++i) {
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if (args[i].equals("-output")) {
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builder.setOutputFile(args[++i]);
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} else {
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builder.getPackages().add(args[i].replace('.', '/'));
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}
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}
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builder.buildComparisonReport();
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}
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public void buildComparisonReport() throws IOException {
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URL url = classLoader.getResource("java/lang/Object" + CLASS_SUFFIX);
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String path = url.toString();
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if (!path.startsWith(JAR_PREFIX) || !path.endsWith(JAR_SUFFIX)) {
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throw new RuntimeException("Can't find JCL classes");
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}
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ClasspathClassHolderSource classSource = new ClasspathClassHolderSource(classLoader);
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path = path.substring(JAR_PREFIX.length(), path.length() - JAR_SUFFIX.length());
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File outDir = new File(outputFile).getParentFile();
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if (!outDir.exists()) {
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outDir.mkdirs();
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}
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try (JarInputStream jar = new JarInputStream(new FileInputStream(path));
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PrintStream out = new PrintStream(new FileOutputStream(outputFile))) {
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out.println("{");
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visitor = new JCLComparisonVisitor(classSource, out);
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while (true) {
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JarEntry entry = jar.getNextJarEntry();
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if (entry == null) {
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break;
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}
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if (validateName(entry.getName())) {
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compareClass(jar);
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}
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jar.closeEntry();
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}
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out.println();
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out.println("}");
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}
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}
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private boolean validateName(String name) {
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if (!name.endsWith(CLASS_SUFFIX)) {
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return false;
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}
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int slashIndex = name.lastIndexOf('/');
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return packages.contains(name.substring(0, slashIndex));
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}
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private void compareClass(InputStream input) throws IOException {
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ClassReader reader = new ClassReader(input);
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reader.accept(visitor, 0);
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}
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}
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@ -0,0 +1,143 @@
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/*
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* Copyright 2014 Alexey Andreev.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.teavm.classlib.impl;
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import java.io.PrintStream;
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import org.objectweb.asm.*;
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import org.teavm.model.*;
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import org.teavm.model.ClassReader;
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/**
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*
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* @author Alexey Andreev
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*/
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class JCLComparisonVisitor implements ClassVisitor {
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private PrintStream out;
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private ClassReaderSource classSource;
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private boolean first = true;
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private boolean firstItem;
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private boolean pass;
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private boolean ended;
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private ClassReader classReader;
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public JCLComparisonVisitor(ClassReaderSource classSource, PrintStream out) {
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this.classSource = classSource;
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this.out = out;
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}
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@Override
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public void visit(int version, int access, String name, String signature, String superName, String[] interfaces) {
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if ((access & Opcodes.ACC_PUBLIC) == 0) {
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return;
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}
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String javaName = name.replace('/', '.');
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if (!first) {
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out.println(",");
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}
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first = false;
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out.println(" \"" + javaName + "\" : {");
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classReader = classSource.get(javaName);
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if (classReader == null) {
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out.println(" \"implemented\" : false");
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pass = true;
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} else {
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out.println(" \"implemented\" : true,");
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out.println(" \"items\" : [");
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pass = false;
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}
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ended = false;
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firstItem = true;
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}
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@Override
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public FieldVisitor visitField(int access, String name, String desc, String signature, Object value) {
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if (pass) {
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return null;
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}
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if ((access & (Opcodes.ACC_PUBLIC | Opcodes.ACC_PROTECTED)) == 0) {
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return null;
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}
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if (!firstItem) {
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out.println(",");
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}
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firstItem = false;
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out.println(" {");
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out.println(" \"type\" : \"field\",");
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out.println(" \"name\" : \"" + name + "\",");
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out.println(" \"descriptor\" : \"" + desc + "\",");
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FieldReader field = classReader.getField(name);
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out.println(" \"implemented\" : \"" + (field != null ? "true" : "false") + "\",");
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out.print(" }");
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return null;
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}
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@Override
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public MethodVisitor visitMethod(int access, String name, String desc, String signature, String[] exceptions) {
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if (pass) {
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return null;
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}
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if ((access & (Opcodes.ACC_PUBLIC | Opcodes.ACC_PROTECTED)) == 0) {
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return null;
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}
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if (!firstItem) {
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out.println(",");
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}
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firstItem = false;
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out.println(" {");
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out.println(" \"type\" : \"method\",");
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out.println(" \"name\" : \"" + name + "\",");
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out.println(" \"descriptor\" : \"" + desc + "\",");
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MethodReader method = classReader.getMethod(MethodDescriptor.parse(name + desc));
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out.println(" \"implemented\" : \"" + (method != null ? "true" : "false") + "\",");
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out.print(" }");
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return null;
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}
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@Override
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public void visitSource(String source, String debug) {
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}
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@Override
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public void visitOuterClass(String owner, String name, String desc) {
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}
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@Override
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public AnnotationVisitor visitAnnotation(String desc, boolean visible) {
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return null;
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}
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@Override
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public void visitAttribute(Attribute attr) {
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}
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@Override
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public void visitInnerClass(String name, String outerName, String innerName, int access) {
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}
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@Override
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public void visitEnd() {
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if (!ended) {
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if (!pass) {
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if (!firstItem) {
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out.println();
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}
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out.println(" ]");
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}
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out.print(" }");
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ended = true;
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}
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}
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}
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@ -93,7 +93,7 @@ public class ClasspathResourceMapper implements Mapper<String, ClassHolder> {
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if (name.startsWith(transformation.packageName)) {
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int index = name.lastIndexOf('.');
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String className = name.substring(index + 1);
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String packageName = name.substring(0, index);
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String packageName = index > 0 ? name.substring(0, index) : "";
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ClassHolder classHolder = innerMapper.map(transformation.packagePrefix + packageName +
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"." + transformation.classPrefix + className);
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if (classHolder != null) {
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