Java Code Examples for org.objectweb.asm.MethodVisitor#visitLineNumber()

The following examples show how to use org.objectweb.asm.MethodVisitor#visitLineNumber() . These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source Project: AVM   File: CreateTest.java    License: MIT License 6 votes vote down vote up
private byte[] getByteCodeForEmptyClass() {
    ClassWriter classWriter = new ClassWriter(0);
    MethodVisitor methodVisitor;

    classWriter.visit(V10, ACC_PUBLIC | ACC_SUPER, "a/Main", null, "java/lang/Object", null);

    classWriter.visitSource("Main.java", null);
    {
        methodVisitor = classWriter.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
        methodVisitor.visitCode();
        Label label0 = new Label();
        methodVisitor.visitLabel(label0);
        methodVisitor.visitLineNumber(3, label0);
        methodVisitor.visitVarInsn(ALOAD, 0);
        methodVisitor.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false);
        methodVisitor.visitInsn(RETURN);
        methodVisitor.visitMaxs(1, 1);
        methodVisitor.visitEnd();
    }
    classWriter.visitEnd();

    return classWriter.toByteArray();
}
 
Example 2
Source Project: AVM   File: CreateTest.java    License: MIT License 6 votes vote down vote up
private byte[] getByteCodeForClassWithoutSuperName() {
    ClassWriter classWriter = new ClassWriter(0);
    MethodVisitor methodVisitor;

    classWriter.visit(V10, ACC_PUBLIC | ACC_SUPER, "b/Main", null, null, null);

    classWriter.visitSource("Main.java", null);
    {
        methodVisitor = classWriter.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
        methodVisitor.visitCode();
        Label label0 = new Label();
        methodVisitor.visitLabel(label0);
        methodVisitor.visitLineNumber(3, label0);
        methodVisitor.visitVarInsn(ALOAD, 0);
        methodVisitor.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false);
        methodVisitor.visitInsn(RETURN);
        methodVisitor.visitMaxs(1, 1);
        methodVisitor.visitEnd();
    }
    classWriter.visitEnd();

    return classWriter.toByteArray();
}
 
Example 3
Source Project: AVM   File: UserlibCollisionTest.java    License: MIT License 6 votes vote down vote up
private static byte[] getJavaLangPackageClassBytes() {

        ClassWriter classWriter = new ClassWriter(0);
        MethodVisitor methodVisitor;

        classWriter.visit(V10, ACC_PUBLIC | ACC_SUPER, "java/lang/MyClass", null, "java/lang/Object", null);

        classWriter.visitSource("MyClass.java", null);
        {
            methodVisitor = classWriter.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
            methodVisitor.visitCode();
            Label label0 = new Label();
            methodVisitor.visitLabel(label0);
            methodVisitor.visitLineNumber(3, label0);
            methodVisitor.visitVarInsn(ALOAD, 0);
            methodVisitor.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false);
            methodVisitor.visitInsn(RETURN);
            methodVisitor.visitMaxs(1, 1);
            methodVisitor.visitEnd();
        }
        classWriter.visitEnd();

        return classWriter.toByteArray();
    }
 
Example 4
Source Project: AVM   File: UserlibCollisionTest.java    License: MIT License 6 votes vote down vote up
private static byte[] getAvmPackageClassBytes() {

        ClassWriter classWriter = new ClassWriter(0);
        MethodVisitor methodVisitor;

        classWriter.visit(V10, ACC_PUBLIC | ACC_SUPER, "avm/Main", null, "java/lang/Object", null);

        classWriter.visitSource("Main.java", null);
        {
            methodVisitor = classWriter.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
            methodVisitor.visitCode();
            Label label0 = new Label();
            methodVisitor.visitLabel(label0);
            methodVisitor.visitLineNumber(3, label0);
            methodVisitor.visitVarInsn(ALOAD, 0);
            methodVisitor.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false);
            methodVisitor.visitInsn(RETURN);
            methodVisitor.visitMaxs(1, 1);
            methodVisitor.visitEnd();
        }
        classWriter.visitEnd();

        return classWriter.toByteArray();
    }
 
Example 5
Source Project: groovy   File: StatementWriter.java    License: Apache License 2.0 6 votes vote down vote up
public void writeBlockStatement(final BlockStatement block) {
    writeStatementLabel(block);

    int mark = controller.getOperandStack().getStackLength();
    CompileStack compileStack = controller.getCompileStack();
    compileStack.pushVariableScope(block.getVariableScope());
    for (Statement statement : block.getStatements()) {
        statement.visit(controller.getAcg());
    }
    compileStack.pop();

    // GROOVY-7647, GROOVY-9126
    if (block.getLastLineNumber() > 0 && !isMethodOrConstructorNonEmptyBlock(block)) {
        MethodVisitor mv = controller.getMethodVisitor();
        Label blockEnd = new Label();
        mv.visitLabel(blockEnd);
        mv.visitLineNumber(block.getLastLineNumber(), blockEnd);
    }

    controller.getOperandStack().popDownTo(mark);
}
 
Example 6
Source Project: groovy   File: AsmClassGenerator.java    License: Apache License 2.0 5 votes vote down vote up
public void onLineNumber(final ASTNode statement, final String message) {
    if (statement == null || statement instanceof BlockStatement) return;

    currentASTNode = statement;
    int line = statement.getLineNumber();
    if (line < 0 || (!ASM_DEBUG && line == controller.getLineNumber())) return;

    controller.setLineNumber(line);
    MethodVisitor mv = controller.getMethodVisitor();
    if (mv != null) {
        Label l = new Label();
        mv.visitLabel(l);
        mv.visitLineNumber(line, l);
    }
}
 
Example 7
@Override
public void accept(MethodVisitor visitor)
{
	visitor.visitLabel(label);

	if (lineNumber != null)
	{
		visitor.visitLineNumber(lineNumber, label);
	}
}
 
Example 8
Source Project: HttpSessionReplacer   File: CommonHelpers.java    License: MIT License 5 votes vote down vote up
static void addIsServlet3(ClassVisitor cw) {
  FieldVisitor fv = cw.visitField(ACC_PRIVATE + ACC_FINAL + ACC_STATIC, "$$isServlet3", "Z", null, null);
  fv.visitEnd();

  MethodVisitor mv = cw.visitMethod(ACC_PRIVATE + ACC_STATIC, "$$isServlet3", "()Z", null, null);
  mv.visitCode();
  Label l0 = new Label();
  Label l1 = new Label();
  Label l2 = new Label();
  mv.visitTryCatchBlock(l0, l1, l2, "java/lang/NoSuchMethodException");
  mv.visitLabel(l0);
  mv.visitLineNumber(446, l0);
  mv.visitLdcInsn(Type.getType("Ljavax/servlet/ServletRequest;"));
  mv.visitLdcInsn("startAsync");
  mv.visitInsn(ICONST_0);
  mv.visitTypeInsn(ANEWARRAY, "java/lang/Class");
  mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Class", "getMethod",
      "(Ljava/lang/String;[Ljava/lang/Class;)Ljava/lang/reflect/Method;", false);
  mv.visitInsn(POP);
  mv.visitLabel(l1);
  mv.visitLineNumber(447, l1);
  mv.visitInsn(ICONST_1);
  mv.visitInsn(IRETURN);
  mv.visitLabel(l2);
  mv.visitLineNumber(448, l2);
  mv.visitFrame(Opcodes.F_SAME1, 0, null, 1, new Object[] { "java/lang/NoSuchMethodException" });
  mv.visitVarInsn(ASTORE, 0);
  Label l3 = new Label();
  mv.visitLabel(l3);
  mv.visitLineNumber(449, l3);
  mv.visitInsn(ICONST_0);
  mv.visitInsn(IRETURN);
  Label l4 = new Label();
  mv.visitLabel(l4);
  mv.visitLocalVariable("e", "Ljava/lang/NoSuchMethodException;", null, l3, l4, 0);
  mv.visitMaxs(3, 1);
  mv.visitEnd();
}
 
Example 9
static byte[] basicClassBytes() {
    ClassWriter cw = new ClassWriter(0);
    MethodVisitor mv;

    cw.visit(52, ACC_PUBLIC + ACC_SUPER, "org/wildfly/swarm/jaxrs/runtime/DefaultApplication", null, "javax/ws/rs/core/Application", null);

    cw.visitSource("DefaultApplication.java", null);
    {
        mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
        mv.visitCode();
        Label l0 = new Label();
        mv.visitLabel(l0);
        mv.visitLineNumber(23, l0);
        mv.visitVarInsn(ALOAD, 0);
        mv.visitMethodInsn(INVOKESPECIAL, "javax/ws/rs/core/Application", "<init>", "()V", false);
        mv.visitInsn(RETURN);
        Label l1 = new Label();
        mv.visitLabel(l1);
        mv.visitLocalVariable("this", "Lorg/wildfly/swarm/jaxrs/runtime/DefaultApplication;", null, l0, l1, 0);
        mv.visitMaxs(1, 1);
        mv.visitEnd();
    }
    cw.visitEnd();

    return cw.toByteArray();

}
 
Example 10
Source Project: DataLoader   File: ModifyUtils.java    License: Apache License 2.0 4 votes vote down vote up
public static File modifyJar(File file, File tempDir) throws IOException {
    JarFile jarFile = new JarFile(file);
    System.out.println(TAG + "tempDir: " + tempDir.getAbsolutePath());
    File outputFile = new File(tempDir, file.getName());
    JarOutputStream jarOutputStream = new JarOutputStream(new FileOutputStream(outputFile));
    Enumeration enumeration = jarFile.entries();
    while (enumeration.hasMoreElements()) {
        JarEntry jarEntry = (JarEntry) enumeration.nextElement();
        InputStream inputStream = jarFile.getInputStream(jarEntry);
        String entryName = jarEntry.getName();
        ZipEntry zipEntry = new ZipEntry(entryName);
        jarOutputStream.putNextEntry(zipEntry);
        byte[] modifiedClassBytes = null;
        byte[] sourceClassBytes = IOUtils.toByteArray(inputStream);
        if (TARGET_CLASS.equals(jarEntry.getName())) {
            ClassReader cr = new ClassReader(sourceClassBytes);
            ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_MAXS);
            cr.accept(cw, 0);
            {
                MethodVisitor mv = cw.visitMethod(Opcodes.ACC_PUBLIC + Opcodes.ACC_STATIC, "test", "()V", null, null);
                mv.visitCode();
                Label l0 = new Label();
                mv.visitLabel(l0);
                mv.visitLineNumber(18, l0);
                mv.visitInsn(Opcodes.RETURN);
                mv.visitMaxs(0, 0);
                mv.visitEnd();
            }
            cw.visitEnd();
            modifiedClassBytes = cw.toByteArray();
        }
        if (modifiedClassBytes == null) {
            jarOutputStream.write(sourceClassBytes);
        } else {
            jarOutputStream.write(modifiedClassBytes);
        }
        jarOutputStream.closeEntry();
    }
    jarOutputStream.close();
    jarFile.close();
    return outputFile;
}
 
Example 11
@Override
public void accept(final MethodVisitor methodVisitor) {
	methodVisitor.visitLineNumber(line, start.getLabel());
}
 
Example 12
Source Project: Concurnas   File: LineNumberNode.java    License: MIT License 4 votes vote down vote up
@Override
public void accept(final MethodVisitor methodVisitor) {
  methodVisitor.visitLineNumber(line, start.getLabel());
}
 
Example 13
Source Project: bumblebench   File: FastPathGuardsBench.java    License: Apache License 2.0 4 votes vote down vote up
static void visitLineNumberInfo(MethodVisitor mv) {
	Label label = new Label();
	mv.visitLabel(label);
	mv.visitLineNumber(Thread.currentThread().getStackTrace()[3].getLineNumber(), label);
}
 
Example 14
Source Project: thorntail   File: ClientServiceFactory.java    License: Apache License 2.0 4 votes vote down vote up
static void createMethod(ClassWriter cw, String implName, String clientInterfaceName, MethodInfo method, int lineNum, String baseUrl) {
    MethodVisitor mv;

    {
        mv = cw.visitMethod(ACC_PUBLIC, method.name(), buildMethodDef(method), null, null);
        mv.visitCode();
        Label l0 = new Label();
        mv.visitLabel(l0);
        mv.visitLineNumber(lineNum++, l0);
        mv.visitLdcInsn(Type.getType(buildTypeDef(clientInterfaceName)));
        mv.visitTypeInsn(NEW, "org/jboss/resteasy/client/jaxrs/ResteasyClientBuilder");
        mv.visitInsn(DUP);
        mv.visitMethodInsn(INVOKESPECIAL, "org/jboss/resteasy/client/jaxrs/ResteasyClientBuilder", "<init>", "()V", false);
        mv.visitMethodInsn(INVOKEVIRTUAL, "org/jboss/resteasy/client/jaxrs/ResteasyClientBuilder", "build", "()Lorg/jboss/resteasy/client/jaxrs/ResteasyClient;", false);
        mv.visitLdcInsn(baseUrl);
        Label l1 = new Label();
        mv.visitLabel(l1);
        mv.visitLineNumber(lineNum++, l1);
        mv.visitMethodInsn(INVOKEVIRTUAL, "org/jboss/resteasy/client/jaxrs/ResteasyClient", "target", "(Ljava/lang/String;)Lorg/jboss/resteasy/client/jaxrs/ResteasyWebTarget;", false);
        Label l2 = new Label();
        mv.visitLabel(l2);
        mv.visitLineNumber(lineNum - 2, l2);
        mv.visitMethodInsn(INVOKESTATIC, "org/wildfly/swarm/cdi/jaxrsapi/deployment/ProxyBuilder", "builder", "(Ljava/lang/Class;Ljavax/ws/rs/client/WebTarget;)Lorg/wildfly/swarm/cdi/jaxrsapi/deployment/ProxyBuilder;", false);
        Label l3 = new Label();
        mv.visitLabel(l3);
        mv.visitLineNumber(lineNum++, l3);
        mv.visitMethodInsn(INVOKEVIRTUAL, "org/wildfly/swarm/cdi/jaxrsapi/deployment/ProxyBuilder", "build", "()Ljava/lang/Object;", false);
        mv.visitTypeInsn(CHECKCAST, clientInterfaceName.replace('.', '/'));
        for (int i = 1; i <= method.parameters().size(); i++) {
            mv.visitVarInsn(ALOAD, i);
        }
        Label l4 = new Label();
        mv.visitLabel(l4);
        mv.visitLineNumber(lineNum++, l4);
        mv.visitMethodInsn(INVOKEINTERFACE, clientInterfaceName.replace('.', '/'), method.name(), buildMethodDef(method), true);
        Label l5 = new Label();
        mv.visitLabel(l5);
        if (method.returnType().kind().equals(org.jboss.jandex.Type.Kind.VOID)) {
            mv.visitLineNumber(lineNum++, l5);
            mv.visitInsn(RETURN);
        } else {
            mv.visitLineNumber(lineNum - 4, l5);
            mv.visitInsn(ARETURN);
        }
        Label l6 = new Label();
        mv.visitLabel(l6);
        int methodParams = 0;
        mv.visitLocalVariable("this", buildTypeDef(implName), null, l0, l6, methodParams++);
        for (AnnotationInstance anno : method.annotations()) {
            if (anno.name().toString().contains("QueryParam") || anno.name().toString().contains("PathParam")) {
                short position = anno.target().asMethodParameter().position();
                org.jboss.jandex.Type parameterType = anno.target().asMethodParameter().method().parameters().get(position);
                mv.visitLocalVariable(String.valueOf(anno.value().value()), buildTypeDef(parameterType.name().toString()), null, l0, l6, methodParams++);
            }
        }
        mv.visitMaxs(3, methodParams);
        lineNum += 4;
        mv.visitEnd();
    }
}
 
Example 15
Source Project: JReFrameworker   File: LineNumberNode.java    License: MIT License 4 votes vote down vote up
@Override
public void accept(final MethodVisitor methodVisitor) {
  methodVisitor.visitLineNumber(line, start.getLabel());
}
 
Example 16
@Override
public void accept(final MethodVisitor mv) {
  mv.visitLineNumber(line, start.getLabel());
}
 
Example 17
public static byte[] create(String name, String context) {

        ClassWriter cw = new ClassWriter(0);
        MethodVisitor mv;
        AnnotationVisitor av0;

        cw.visit(V1_7, ACC_PUBLIC + ACC_SUPER,
                name.replace('.', '/'),
                null,
                "javax/ws/rs/core/Application", null);

        int lastDot = name.lastIndexOf('.');
        String simpleName = name.substring(lastDot + 1);
        cw.visitSource(simpleName + ".java", null);

        {
            av0 = cw.visitAnnotation("Ljavax/ws/rs/ApplicationPath;", true);
            av0.visit("value", "/");
            av0.visitEnd();
        }
        {
            mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
            mv.visitCode();
            Label l0 = new Label();
            mv.visitLabel(l0);
            mv.visitLineNumber(10, l0);
            mv.visitVarInsn(ALOAD, 0);
            mv.visitMethodInsn(INVOKESPECIAL, "javax/ws/rs/core/Application", "<init>", "()V", false);
            mv.visitInsn(RETURN);
            Label l1 = new Label();
            mv.visitLabel(l1);
            mv.visitLocalVariable("this",
                    "L" + name.replace('.', '/') + ";",
                    null,
                    l0,
                    l1,
                    0);
            mv.visitMaxs(1, 1);
            mv.visitEnd();
        }
        cw.visitEnd();

        return cw.toByteArray();
    }
 
Example 18
Source Project: JReFrameworker   File: LineNumberNode.java    License: MIT License 4 votes vote down vote up
@Override
public void accept(final MethodVisitor methodVisitor) {
  methodVisitor.visitLineNumber(line, start.getLabel());
}
 
Example 19
Source Project: HttpSessionReplacer   File: CommonHelpers.java    License: MIT License 4 votes vote down vote up
static void addLogError(ClassVisitor cw) {
  MethodVisitor mv;
  mv = cw.visitMethod(ACC_PUBLIC + ACC_STATIC + ACC_VARARGS, "$$error", "(Ljava/lang/String;[Ljava/lang/Object;)V",
      null, null);
  mv.visitCode();
  Label l0 = new Label();
  mv.visitLabel(l0);
  mv.visitLineNumber(433, l0);
  mv.visitFieldInsn(GETSTATIC, "java/lang/System", "err", "Ljava/io/PrintStream;");
  mv.visitLdcInsn("SessionAgent: [ERROR] %s");
  mv.visitInsn(ICONST_1);
  mv.visitTypeInsn(ANEWARRAY, "java/lang/Object");
  mv.visitInsn(DUP);
  mv.visitInsn(ICONST_0);
  mv.visitVarInsn(ALOAD, 0);
  mv.visitVarInsn(ALOAD, 1);
  mv.visitMethodInsn(INVOKESTATIC, "java/lang/String", "format",
      "(Ljava/lang/String;[Ljava/lang/Object;)Ljava/lang/String;", false);
  mv.visitInsn(AASTORE);
  mv.visitMethodInsn(INVOKESTATIC, "java/lang/String", "format",
      "(Ljava/lang/String;[Ljava/lang/Object;)Ljava/lang/String;", false);
  mv.visitMethodInsn(INVOKEVIRTUAL, "java/io/PrintStream", "println", "(Ljava/lang/String;)V", false);
  Label l1 = new Label();
  mv.visitLabel(l1);
  mv.visitLineNumber(434, l1);
  mv.visitVarInsn(ALOAD, 1);
  Label l2 = new Label();
  mv.visitJumpInsn(IFNULL, l2);
  mv.visitVarInsn(ALOAD, 1);
  mv.visitInsn(ARRAYLENGTH);
  mv.visitInsn(ICONST_1);
  mv.visitJumpInsn(IF_ICMPLE, l2);
  mv.visitVarInsn(ALOAD, 1);
  mv.visitVarInsn(ALOAD, 1);
  mv.visitInsn(ARRAYLENGTH);
  mv.visitInsn(ICONST_1);
  mv.visitInsn(ISUB);
  mv.visitInsn(AALOAD);
  mv.visitTypeInsn(INSTANCEOF, "java/lang/Throwable");
  mv.visitJumpInsn(IFEQ, l2);
  Label l3 = new Label();
  mv.visitLabel(l3);
  mv.visitLineNumber(435, l3);
  mv.visitVarInsn(ALOAD, 1);
  mv.visitVarInsn(ALOAD, 1);
  mv.visitInsn(ARRAYLENGTH);
  mv.visitInsn(ICONST_1);
  mv.visitInsn(ISUB);
  mv.visitInsn(AALOAD);
  mv.visitTypeInsn(CHECKCAST, "java/lang/Throwable");
  mv.visitFieldInsn(GETSTATIC, "java/lang/System", "err", "Ljava/io/PrintStream;");
  mv.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Throwable", "printStackTrace", "(Ljava/io/PrintStream;)V", false);
  mv.visitLabel(l2);
  mv.visitLineNumber(437, l2);
  mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null);
  mv.visitInsn(RETURN);
  Label l4 = new Label();
  mv.visitLabel(l4);
  mv.visitLocalVariable("format", "Ljava/lang/String;", null, l0, l4, 0);
  mv.visitLocalVariable("args", "[Ljava/lang/Object;", null, l0, l4, 1);
  mv.visitMaxs(7, 2);
  mv.visitEnd();
}
 
Example 20
Source Project: thorntail   File: ClientServiceFactory.java    License: Apache License 2.0 4 votes vote down vote up
static byte[] createImpl(String implName, ClassInfo classInfo) {
    ClassWriter cw = new ClassWriter(0);
    MethodVisitor mv;
    AnnotationVisitor av0;

    cw.visit(V1_8, ACC_PUBLIC + ACC_SUPER,
             implName.replace('.', '/'),
             null,
             "java/lang/Object",
             new String[]{classInfo.name().toString().replace('.', '/')}
    );

    int lastDot = implName.lastIndexOf('.');
    String simpleName = implName.substring(lastDot + 1);

    cw.visitSource(simpleName + ".java", null);
    {
        av0 = cw.visitAnnotation("Ljavax/enterprise/context/ApplicationScoped;", true);
        av0.visitEnd();
    }
    cw.visitInnerClass("javax/ws/rs/client/Invocation$Builder", "javax/ws/rs/client/Invocation", "Builder", ACC_PUBLIC + ACC_STATIC + ACC_ABSTRACT + ACC_INTERFACE);

    {
        mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
        mv.visitCode();
        Label l0 = new Label();
        mv.visitLabel(l0);
        mv.visitLineNumber(14, l0);
        mv.visitVarInsn(ALOAD, 0);
        mv.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false);
        Label l1 = new Label();
        mv.visitLabel(l1);
        mv.visitLineNumber(15, l1);
        mv.visitInsn(RETURN);
        Label l2 = new Label();
        mv.visitLabel(l2);
        mv.visitLocalVariable("this",
                              buildTypeDef(implName),
                              null,
                              l0,
                              l2,
                              0);
        mv.visitMaxs(1, 1);
        mv.visitEnd();
    }

    List<AnnotationInstance> annotations = classInfo.annotations().get(DotName.createSimple("org.wildfly.swarm.client.jaxrs.Service"));
    String baseUrl = (String) annotations.get(0).value("baseUrl").value();
    int lineNum = 18;

    classInfo.asClass().methods()
            .stream()
            .forEachOrdered(method -> {
                createMethod(cw, implName, classInfo.name().toString(), method, lineNum, baseUrl);
            });
    cw.visitEnd();

    return cw.toByteArray();
}