Examples with ClassNode org.objectweb.asm.tree.ClassNode used on opensource projects

Example 11 with ClassNode

use of org.objectweb.asm.tree.ClassNode in project buck by facebook.

the class MutabilityAnalyzer method markClassAsHavingMutableDescendents.

private void markClassAsHavingMutableDescendents(String className) {
    if (classesWithMutableDescendents.contains(className)) {
        return;
    }
    ClassNode klass = allClasses.get(className);
    if (klass == null) {
        return;
    }
    classesWithMutableDescendents.add(className);
    madeProgress = true;
    markClassAsHavingMutableDescendents(klass.superName);
    for (String iface : klass.interfaces) {
        markClassAsHavingMutableDescendents(iface);
    }
}

Example 12 with ClassNode

use of org.objectweb.asm.tree.ClassNode in project buck by facebook.

the class StaticStateAnalyzer method go.

private void go() {
    ImmutableSet.Builder<String> unsafeClassesBuilder = ImmutableSet.builder();
    for (ClassNode klass : allClasses.values()) {
        boolean classIsSafe = isClassSafe(klass);
        if (!classIsSafe) {
            unsafeClassesBuilder.add(klass.name);
        }
    }
    unsafeClasses = unsafeClassesBuilder.build();
}

Example 13 with ClassNode

use of org.objectweb.asm.tree.ClassNode in project enumerable by hraberg.

the class LambdaExpressionTrees method findMethodNode.

@SuppressWarnings("unchecked")
static MethodNode findMethodNode(Method method) throws IOException {
    String className = method.getDeclaringClass().getName();
    ClassReader cr;
    if (InMemoryCompiler.bytesByClassName.containsKey(className))
        cr = new ClassReader(InMemoryCompiler.bytesByClassName.get(className));
    else
        cr = new ClassReader(className);
    ClassNode cn = new ClassNode();
    cr.accept(cn, 0);
    String descriptor = getMethodDescriptor(method);
    for (MethodNode mn : (List<MethodNode>) cn.methods) {
        if (method.getName().equals(mn.name) && descriptor.equals(mn.desc))
            return mn;
    }
    throw new IllegalStateException("Cannot find method which does exist");
}

Example 14 with ClassNode

use of org.objectweb.asm.tree.ClassNode in project MinecraftForge by MinecraftForge.

the class AccessTransformer method processJar.

private static void processJar(File inFile, File outFile, AccessTransformer[] transformers) throws IOException {
    ZipInputStream inJar = null;
    ZipOutputStream outJar = null;
    try {
        try {
            inJar = new ZipInputStream(new BufferedInputStream(new FileInputStream(inFile)));
        } catch (FileNotFoundException e) {
            throw new FileNotFoundException("Could not open input file: " + e.getMessage());
        }
        try {
            outJar = new ZipOutputStream(new BufferedOutputStream(new FileOutputStream(outFile)));
        } catch (FileNotFoundException e) {
            throw new FileNotFoundException("Could not open output file: " + e.getMessage());
        }
        ZipEntry entry;
        while ((entry = inJar.getNextEntry()) != null) {
            if (entry.isDirectory()) {
                outJar.putNextEntry(entry);
                continue;
            }
            byte[] data = new byte[4096];
            ByteArrayOutputStream entryBuffer = new ByteArrayOutputStream();
            int len;
            do {
                len = inJar.read(data);
                if (len > 0) {
                    entryBuffer.write(data, 0, len);
                }
            } while (len != -1);
            byte[] entryData = entryBuffer.toByteArray();
            String entryName = entry.getName();
            if (entryName.endsWith(".class") && !entryName.startsWith(".")) {
                ClassNode cls = new ClassNode();
                ClassReader rdr = new ClassReader(entryData);
                rdr.accept(cls, 0);
                String name = cls.name.replace('/', '.').replace('\\', '.');
                for (AccessTransformer trans : transformers) {
                    entryData = trans.transform(name, name, entryData);
                }
            }
            ZipEntry newEntry = new ZipEntry(entryName);
            outJar.putNextEntry(newEntry);
            outJar.write(entryData);
        }
    } finally {
        IOUtils.closeQuietly(outJar);
        IOUtils.closeQuietly(inJar);
    }
}

Example 15 with ClassNode

use of org.objectweb.asm.tree.ClassNode in project MinecraftForge by MinecraftForge.

the class EventSubscriptionTransformer method transform.

@Override
public byte[] transform(String name, String transformedName, byte[] bytes) {
    if (bytes == null || name.equals("net.minecraftforge.fml.common.eventhandler.Event") || name.startsWith("net.minecraft.") || name.indexOf('.') == -1) {
        return bytes;
    }
    ClassReader cr = new ClassReader(bytes);
    ClassNode classNode = new ClassNode();
    cr.accept(classNode, 0);
    try {
        if (buildEvents(classNode)) {
            ClassWriter cw = new ClassWriter(COMPUTE_FRAMES);
            classNode.accept(cw);
            return cw.toByteArray();
        }
        return bytes;
    } catch (ClassNotFoundException ex) {
    // Discard silently- it's just noise
    } catch (Exception e) {
        e.printStackTrace();
    }
    return bytes;
}