Example usage for org.objectweb.asm Opcodes ACC_FINAL

Introduction

In this page you can find the example usage for org.objectweb.asm Opcodes ACC_FINAL.

Prototype

int ACC_FINAL

To view the source code for org.objectweb.asm Opcodes ACC_FINAL.

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Usage

From source file:com.android.mkstubs.sourcer.FieldSourcerTest.java

License:Apache License

@Test
public void testTemplateTypeField() throws Exception {

    FieldSourcer fs = new FieldSourcer(new Output(mWriter), Opcodes.ACC_PRIVATE | Opcodes.ACC_FINAL, // access
            "mList", // name
            "Ljava/util/ArrayList;", // desc
            "Ljava/util/ArrayList<Ljava/lang/String;>;" // signature
    );/*w  w  w. j  a  v a 2s .co m*/
    fs.visitEnd();

    String s = mWriter.toString();
    Assert.assertEquals("private final java.util.ArrayList<java.lang.String> mList;\n", s);
}

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From source file:com.android.tools.layoutlib.create.TransformClassAdapter.java

License:Apache License

@Override
public void visit(int version, int access, String name, String signature, String superName,
        String[] interfaces) {/*from   w w  w  .j  a  va 2  s .com*/

    // This class might be being renamed.
    name = mClassName;

    // remove protected or private and set as public
    access = access & ~(Opcodes.ACC_PRIVATE | Opcodes.ACC_PROTECTED);
    access |= Opcodes.ACC_PUBLIC;
    // remove final
    access = access & ~Opcodes.ACC_FINAL;
    // note: leave abstract classes as such
    // don't try to implement stub for interfaces

    mIsInterface = ((access & Opcodes.ACC_INTERFACE) != 0);
    super.visit(version, access, name, signature, superName, interfaces);
}

---

From source file:com.android.tools.layoutlib.create.TransformClassAdapter.java

License:Apache License

@Override
public void visitInnerClass(String name, String outerName, String innerName, int access) {
    // remove protected or private and set as public
    access = access & ~(Opcodes.ACC_PRIVATE | Opcodes.ACC_PROTECTED);
    access |= Opcodes.ACC_PUBLIC;//from  www .  j a v a 2s . c  o  m
    // remove final
    access = access & ~Opcodes.ACC_FINAL;
    // note: leave abstract classes as such
    // don't try to implement stub for interfaces

    super.visitInnerClass(name, outerName, innerName, access);
}

---

From source file:com.android.tools.layoutlib.create.TransformClassAdapter.java

License:Apache License

@Override
public MethodVisitor visitMethod(int access, String name, String desc, String signature, String[] exceptions) {

    if (mDeleteReturns != null) {
        Type t = Type.getReturnType(desc);
        if (t.getSort() == Type.OBJECT) {
            String returnType = t.getInternalName();
            if (returnType != null) {
                if (mDeleteReturns.contains(returnType)) {
                    return null;
                }/*  www  . ja v  a 2s.  co  m*/
            }
        }
    }

    String methodSignature = mClassName.replace('/', '.') + "#" + name;

    // change access to public
    access &= ~(Opcodes.ACC_PROTECTED | Opcodes.ACC_PRIVATE);
    access |= Opcodes.ACC_PUBLIC;

    // remove final
    access = access & ~Opcodes.ACC_FINAL;

    // stub this method if they are all to be stubbed or if it is a native method
    // and don't try to stub interfaces nor abstract non-native methods.
    if (!mIsInterface && ((access & (Opcodes.ACC_ABSTRACT | Opcodes.ACC_NATIVE)) != Opcodes.ACC_ABSTRACT)
            && (mStubAll || (access & Opcodes.ACC_NATIVE) != 0) || mStubMethods.contains(methodSignature)) {

        boolean isStatic = (access & Opcodes.ACC_STATIC) != 0;
        boolean isNative = (access & Opcodes.ACC_NATIVE) != 0;

        // remove abstract, final and native
        access = access & ~(Opcodes.ACC_ABSTRACT | Opcodes.ACC_FINAL | Opcodes.ACC_NATIVE);

        String invokeSignature = methodSignature + desc;
        mLog.debug("  Stub: %s (%s)", invokeSignature, isNative ? "native" : "");

        MethodVisitor mw = super.visitMethod(access, name, desc, signature, exceptions);
        return new StubMethodAdapter(mw, name, returnType(desc), invokeSignature, isStatic, isNative);

    } else {
        mLog.debug("  Keep: %s %s", name, desc);
        return super.visitMethod(access, name, desc, signature, exceptions);
    }
}

---

From source file:com.android.tools.lint.checks.CordovaVersionDetector.java

License:Apache License

@Override
public void checkClass(@NonNull ClassContext context, @NonNull ClassNode classNode) {
    //noinspection VariableNotUsedInsideIf
    if (mCordovaVersion != null) {
        // Exit early if we have already found the cordova version in the JS file.
        // This will be the case for all versions > 3.x.x
        return;/*  w  w w . j a va 2s  .  c om*/
    }

    // For cordova versions such as 2.7.1, the version is a static *non-final* field in
    // a class named Device. Since it is non-final, it is initialized in the <clinit> method.
    // Example:
    //
    // ldc           #5                  // String 2.7.1
    // putstatic     #6                  // Field cordovaVersion:Ljava/lang/String;
    // ...
    if (classNode.name.equals(FQN_CORDOVA_DEVICE)) {
        //noinspection unchecked ASM api.
        List<MethodNode> methods = classNode.methods;
        for (MethodNode method : methods) {
            if (SdkConstants.CLASS_CONSTRUCTOR.equals(method.name)) {
                InsnList nodes = method.instructions;
                for (int i = 0, n = nodes.size(); i < n; i++) {
                    AbstractInsnNode instruction = nodes.get(i);
                    int type = instruction.getType();
                    if (type == AbstractInsnNode.FIELD_INSN) {
                        checkInstructionInternal(context, classNode, instruction);
                        break;
                    }
                }
            }
        }
    } else if (classNode.name.equals(FQN_CORDOVA_WEBVIEW)) {
        // For versions > 3.x.x, the version string is stored as a static final String in
        // CordovaWebView.
        // Note that this is also stored in the cordova.js.* but from a lint api perspective,
        // it's much faster to look it up here than load and check in the JS file.
        // e.g.
        //   public static final java.lang.String CORDOVA_VERSION;
        //      descriptor: Ljava/lang/String;
        //      flags: ACC_PUBLIC, ACC_STATIC, ACC_FINAL
        //      ConstantValue: String 4.1.1
        //
        //noinspection unchecked ASM api.
        List<FieldNode> fields = classNode.fields;
        for (FieldNode node : fields) {
            if (FIELD_NAME_CORDOVA_VERSION_WEBVIEW.equals(node.name)
                    && (node.access & Opcodes.ACC_FINAL) == Opcodes.ACC_FINAL // is final
                    && (node.access & Opcodes.ACC_STATIC) == Opcodes.ACC_STATIC // is static
                    && node.value instanceof String) {
                mCordovaVersion = createVersion((String) node.value);
                if (mCordovaVersion != null) {
                    validateCordovaVersion(context, mCordovaVersion, context.getLocation(classNode));
                }
            }
        }
    }
}

---

From source file:com.asakusafw.dag.compiler.builtin.MasterJoinLikeOperatorGenerator.java

License:Apache License

private static void defineSelection(Context context, ClassWriter writer, UserOperator operator, FieldRef impl,
        Map<OperatorProperty, FieldRef> dependencies) {
    Method selector = Invariants.safe(() -> {
        return MasterJoinOperatorUtil.getSelection(context.getClassLoader(), operator);
    });//from w  w w.  j a v  a2s.com
    if (selector == null) {
        return;
    }
    MethodVisitor method = writer.visitMethod(Opcodes.ACC_PROTECTED | Opcodes.ACC_FINAL, "selectMaster",
            Type.getMethodDescriptor(typeOf(Object.class), typeOf(List.class), typeOf(Object.class)), null,
            null);
    cast(method, 2, MasterJoinOperatorUtil.getTransactionInput(operator).getDataType());

    List<ValueRef> arguments = new ArrayList<>();
    impl.load(method);
    arguments.add(new LocalVarRef(Opcodes.ALOAD, 1));
    arguments.add(new LocalVarRef(Opcodes.ALOAD, 2));
    arguments
            .addAll(Lang.project(getExtraViews(operator), v -> Invariants.requireNonNull(dependencies.get(v))));
    arguments
            .addAll(Lang.project(operator.getArguments(), v -> Invariants.requireNonNull(dependencies.get(v))));
    for (int i = 0, n = selector.getParameterCount(); i < n; i++) {
        arguments.get(i).load(method);
    }
    method.visitMethodInsn(Opcodes.INVOKEVIRTUAL, typeOf(selector.getDeclaringClass()).getInternalName(),
            selector.getName(), Type.getMethodDescriptor(selector), false);
    method.visitInsn(Opcodes.ARETURN);
    method.visitMaxs(0, 0);
    method.visitEnd();
}

---

From source file:com.asakusafw.dag.compiler.builtin.MasterJoinLikeOperatorGenerator.java

License:Apache License

private void defineProcess(Context context, ClassWriter writer, UserOperator operator, FieldRef impl,
        Map<OperatorProperty, FieldRef> dependencies, ClassDescription target) {
    MethodVisitor method = writer.visitMethod(Opcodes.ACC_PROTECTED | Opcodes.ACC_FINAL, "process",
            Type.getMethodDescriptor(Type.VOID_TYPE, typeOf(Object.class), typeOf(Object.class)), null, null);
    cast(method, 1, MasterJoinOperatorUtil.getMasterInput(operator).getDataType());
    cast(method, 2, MasterJoinOperatorUtil.getTransactionInput(operator).getDataType());
    defineProcess(method, context, operator, new LocalVarRef(Opcodes.ALOAD, 1),
            new LocalVarRef(Opcodes.ALOAD, 2), impl, dependencies, target);
    method.visitInsn(Opcodes.RETURN);//from w  w  w  . j  a  va  2s. c  o  m
    method.visitMaxs(0, 0);
    method.visitEnd();
}

---

From source file:com.asakusafw.dag.compiler.builtin.Util.java

License:Apache License

static void defineBuildKey(ClassGeneratorContext context, ClassWriter writer, TypeDescription dataType,
        Group group) {//from  w ww  . java  2 s .c o  m
    DataModelReference type = context.getDataModelLoader().load(dataType);
    List<PropertyReference> props = group.getGrouping().stream()
            .map(p -> Invariants.requireNonNull(type.findProperty(p))).collect(Collectors.toList());

    MethodVisitor v = writer.visitMethod(Opcodes.ACC_PUBLIC | Opcodes.ACC_FINAL, "buildKey",
            Type.getMethodDescriptor(Type.VOID_TYPE, typeOf(KeyBuffer.class), typeOf(Object.class)), null,
            null);

    LocalVarRef key = new LocalVarRef(Opcodes.ALOAD, 1);
    LocalVarRef object = cast(v, 2, dataType);
    for (PropertyReference p : props) {
        key.load(v);
        object.load(v);
        getOption(v, p);
        v.visitMethodInsn(Opcodes.INVOKEINTERFACE, typeOf(KeyBuffer.class).getInternalName(), "append",
                Type.getMethodDescriptor(typeOf(KeyBuffer.class), typeOf(Object.class)), true);
        v.visitInsn(Opcodes.POP);
    }

    v.visitInsn(Opcodes.RETURN);
    v.visitMaxs(0, 0);
    v.visitEnd();
}

---

From source file:com.asakusafw.dag.compiler.codegen.AsmUtil.java

License:Apache License

/**
 * Defines a new field./*www  .j av a2 s  .  co  m*/
 * @param writer the current class visitor
 * @param target the declaring type
 * @param name the field name
 * @param type the field type
 * @return the defined field ref
 */
public static FieldRef defineField(ClassVisitor writer, ClassDescription target, String name, Type type) {
    writer.visitField(Opcodes.ACC_PRIVATE | Opcodes.ACC_FINAL, name, type.getDescriptor(), null, null);
    return new FieldRef(target, name, type);
}

---

From source file:com.asakusafw.dag.compiler.codegen.EdgeDataTableAdapterGenerator.java

License:Apache License

private static void defineBuildKey(ClassGeneratorContext context, ClassWriter writer, TypeDescription dataType,
        Group group) {//from ww w. j  ava2  s  .  c  o m
    DataModelReference type = context.getDataModelLoader().load(dataType);
    List<PropertyReference> props = group.getGrouping().stream()
            .map(p -> Invariants.requireNonNull(type.findProperty(p))).collect(Collectors.toList());

    MethodVisitor v = writer.visitMethod(Opcodes.ACC_PUBLIC | Opcodes.ACC_FINAL, "buildKey",
            Type.getMethodDescriptor(Type.VOID_TYPE, typeOf(KeyBuffer.class), typeOf(Object.class)), null,
            null);

    LocalVarRef key = new LocalVarRef(Opcodes.ALOAD, 1);
    LocalVarRef object = cast(v, 2, dataType);
    for (PropertyReference p : props) {
        key.load(v);
        object.load(v);
        getOption(v, p);
        v.visitMethodInsn(Opcodes.INVOKEINTERFACE, typeOf(KeyBuffer.class).getInternalName(), "append",
                Type.getMethodDescriptor(typeOf(KeyBuffer.class), typeOf(Object.class)), true);
        v.visitInsn(Opcodes.POP);
    }

    v.visitInsn(Opcodes.RETURN);
    v.visitMaxs(0, 0);
    v.visitEnd();
}

---

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