Example usage for org.objectweb.asm.tree ClassNode ClassNode

Introduction

In this page you can find the example usage for org.objectweb.asm.tree ClassNode ClassNode.

Prototype

public ClassNode()

Source Link

Document

Constructs a new ClassNode .

Usage

From source file:org.jacoco.core.internal.instr.NoneProbeArrayStrategyTest.java

License:Open Source License

@Test
public void addMembers_should_not_add_members() {
    final ClassNode c = new ClassNode();
    strategy.addMembers(c, 0);//from  w ww  .j  a va 2  s.com

    assertEquals(0, c.methods.size());
    assertEquals(0, c.fields.size());
}

From source file:org.jacoco.core.test.filter.FinallyTest.java

License:Open Source License

/**
 * This test studies placement of GOTO instructions.
 *///from   w w w.  ja  v a2  s .c o  m
@Test
public void gotos() throws IOException {
    final Source source = Source.getSourceFor("src", Finally.class);

    final ClassNode classNode = new ClassNode();
    new ClassReader(TargetLoader.getClassDataAsBytes(Finally.class)).accept(classNode, 0);
    final Set<String> tags = new HashSet<String>();
    for (final MethodNode m : classNode.methods) {
        if ("main".equals(m.name)) {
            // skip it
            continue;
        }
        int lineNumber = -1;
        for (AbstractInsnNode i = m.instructions.getFirst(); i != null; i = i.getNext()) {
            if (AbstractInsnNode.LINE == i.getType()) {
                lineNumber = ((LineNumberNode) i).line;
            }
            if (Opcodes.GOTO == i.getOpcode()) {
                final String line = source.getLine(lineNumber);
                if (line.indexOf('$') < 0) {
                    throw new AssertionError("No tag at line " + lineNumber);
                }
                final String tag = line.substring(line.indexOf('$') + "$line-".length(), line.lastIndexOf('$'));
                tags.add(tag);
            }
        }
    }

    final Set<String> expected = new HashSet<String>();

    if (isJDKCompiler) {
        expected.add("example.2");
    } else {
        expected.add("example.0");
    }

    expected.add("breakStatement.for");
    if (isJDKCompiler) {
        expected.add("breakStatement.1");
        expected.add("breakStatement.2");
    } else {
        expected.add("breakStatement");
    }

    if (isJDKCompiler) {
        expected.add("emptyCatch.2");
    } else {
        expected.add("emptyCatch");
        expected.add("emptyCatch.1");
    }

    if (isJDKCompiler) {
        expected.add("catchNotExecuted.2");
    } else {
        expected.add("catchNotExecuted");
        expected.add("catchNotExecuted.1");
    }

    if (isJDKCompiler) {
        expected.add("nested.5");
        expected.add("nested.6");
    } else {
        expected.add("nested.0");
        expected.add("nested.3");
    }

    if (isJDKCompiler && !isJDK8) {
        expected.add("emptyTry.2");
    }

    if (!isJDKCompiler) {
        expected.add("alwaysCompletesAbruptly.0");
    }

    assertEquals(expected, tags);
}

From source file:org.jacoco.core.test.validation.java5.FinallyTest.java

License:Open Source License

private Set<String> getTagsWithGotos() throws IOException {
    final Set<String> gotoTags = new HashSet<String>();

    byte[] b = TargetLoader.getClassDataAsBytes(FinallyTarget.class);

    final ClassNode classNode = new ClassNode();
    InstrSupport.classReaderFor(b).accept(classNode, 0);
    for (final MethodNode m : classNode.methods) {
        if ("main".equals(m.name)) {
            // skip it
            continue;
        }//from  w  ww .j a  va 2  s  .  c  o  m
        int lineNumber = -1;
        for (AbstractInsnNode i : m.instructions) {
            if (AbstractInsnNode.LINE == i.getType()) {
                lineNumber = ((LineNumberNode) i).line;
            }
            if (Opcodes.GOTO == i.getOpcode()) {
                String tag = tags.get(Integer.valueOf(lineNumber));
                if (tag == null) {
                    throw new AssertionError("No tag at line " + lineNumber);
                }
                gotoTags.add(tag);
            }
        }
    }

    return gotoTags;
}

From source file:org.jacoco.core.test.validation.java5.StructuredLockingTest.java

License:Open Source License

private void assertStructuredLocking(byte[] source) throws Exception {
    IRuntime runtime = new SystemPropertiesRuntime();
    Instrumenter instrumenter = new Instrumenter(runtime);
    byte[] instrumented = instrumenter.instrument(source, "TestTarget");

    ClassNode cn = new ClassNode();
    InstrSupport.classReaderFor(instrumented).accept(cn, 0);
    for (MethodNode mn : cn.methods) {
        assertStructuredLocking(cn.name, mn);
    }//from w  w w.j av  a  2  s .  c  o  m
}

From source file:org.jacoco.core.test.validation.StructuredLockingTest.java

License:Open Source License

private void assertStructuredLocking(byte[] source) throws Exception {
    IRuntime runtime = new SystemPropertiesRuntime();
    Instrumenter instrumenter = new Instrumenter(runtime);
    byte[] instrumented = instrumenter.instrument(source, "TestTarget");

    ClassNode cn = new ClassNode();
    new ClassReader(instrumented).accept(cn, 0);
    for (MethodNode mn : cn.methods) {
        assertStructuredLocking(cn.name, mn);
    }//from  w  w w.java  2  s  .  c o  m
}

From source file:org.jacoco.playground.filter.MethodDumper.java

License:Open Source License

protected static final MethodNode getMethod(String classfile, String name, String desc) throws IOException {
    ClassNode node = new ClassNode();
    InputStream in = new FileInputStream(classfile);
    new ClassReader(in).accept(node, ClassReader.EXPAND_FRAMES);
    in.close();//from w ww.j ava 2 s .  c o  m

    for (Object m : node.methods) {
        MethodNode method = (MethodNode) m;
        if (name.equals(method.name) && desc.equals(method.desc)) {
            return method;
        }
    }

    fail(String.format("Method %s%s not found.", name, desc));
    return null;
}

From source file:org.jetbrains.android.anko.ClassTreeTest.java

License:Apache License

@Test(expected = NoSuchClassException.class)
public void testNoSuchClassException() throws Exception {
    ClassTree tree = new ClassTree();
    ClassNode cn = new ClassNode();
    cn.name = "java.lang.Integer";
    tree.isSuccessorOf(cn, "java.util.List");
}

From source file:org.jetbrains.android.anko.ClassTreeTest.java

License:Apache License

private static ClassNode createNode(String name, String superName) {
    ClassNode node = new ClassNode();
    node.name = name;//from  w ww .  j  av  a 2s .  c o m
    node.superName = superName;
    return node;
}

From source file:org.jooby.internal.apitool.BytecodeRouteParser.java

License:Apache License

private ClassNode loadClass(String name) {
    return Try.apply(() -> {
        String cname = name.replace("/", ".");
        ClassNode node = cache.get(cname);
        if (node == null) {
            String rname = cname.replace(".", "/") + ".class";
            try (InputStream in = loader.getResourceAsStream(rname)) {
                if (in == null) {
                    throw new FileNotFoundException(rname + " using " + loader);
                }//ww  w  .ja va2s  .c o m
                ClassReader reader = new ClassReader(ByteStreams.toByteArray(in));
                node = new ClassNode();
                reader.accept(node, 0);
                cache.put(cname, node);
                if (log.isDebugEnabled()) {
                    log.info("Source: {}; Class: {}", node.sourceFile, node.name);
                    reader.accept(
                            new TraceClassVisitor(null, new ASMifier(), new PrintWriter(writer(log, name))), 0);
                }
            }
        }
        return node;
    }).get();
}

From source file:org.jvnet.jax_ws_commons.beans_generator.ambassador.impl.asm.ASMRequestBeanGenerator.java

License:Open Source License

public byte[] generate() {
    ClassNode tree = new ClassNode();

    tree.visit(Opcodes.V1_5, Opcodes.ACC_PUBLIC, methodInfo.getRequestBeanClassName().replace(".", "/"), null,
            Type.getInternalName(Object.class), new String[0]);

    generateNoArgsConstructor();//  ww w .ja v  a 2s  .  c o  m
    generateAnnotations();
    generateFields();

    tree.visitEnd();
    tree.accept(writer);
    return writer.toByteArray();
}