Example usage for org.objectweb.asm Opcodes ACC_PRIVATE

Introduction

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

Prototype

int ACC_PRIVATE

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

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Usage

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

License:Apache License

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

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

    boolean useDelegate = (isNative && mDelegateMethods.contains(ALL_NATIVES))
            || mDelegateMethods.contains(name);

    if (!useDelegate) {
        // Not creating a delegate for this method, pass it as-is from the reader
        // to the writer.
        return super.visitMethod(access, name, desc, signature, exceptions);
    }/*from   ww  w. j a  va2  s .  c  om*/

    if (useDelegate) {
        if (CONSTRUCTOR.equals(name) || CLASS_INIT.equals(name)) {
            // We don't currently support generating delegates for constructors.
            throw new UnsupportedOperationException(
                    String.format("Delegate doesn't support overriding constructor %1$s:%2$s(%3$s)", //$NON-NLS-1$
                            mClassName, name, desc));
        }
    }

    if (isNative) {
        // Remove native flag
        access = access & ~Opcodes.ACC_NATIVE;
        MethodVisitor mwDelegate = super.visitMethod(access, name, desc, signature, exceptions);

        DelegateMethodAdapter2 a = new DelegateMethodAdapter2(mLog, null /*mwOriginal*/, mwDelegate, mClassName,
                name, desc, isStatic);

        // A native has no code to visit, so we need to generate it directly.
        a.generateDelegateCode();

        return mwDelegate;
    }

    // Given a non-native SomeClass.MethodName(), we want to generate 2 methods:
    // - A copy of the original method named SomeClass.MethodName_Original().
    //   The content is the original method as-is from the reader.
    // - A brand new implementation of SomeClass.MethodName() which calls to a
    //   non-existing method named SomeClass_Delegate.MethodName().
    //   The implementation of this 'delegate' method is done in layoutlib_brigde.

    int accessDelegate = access;
    // change access to public for the original one
    if (Main.sOptions.generatePublicAccess) {
        access &= ~(Opcodes.ACC_PROTECTED | Opcodes.ACC_PRIVATE);
        access |= Opcodes.ACC_PUBLIC;
    }

    MethodVisitor mwOriginal = super.visitMethod(access, name + ORIGINAL_SUFFIX, desc, signature, exceptions);
    MethodVisitor mwDelegate = super.visitMethod(accessDelegate, name, desc, signature, exceptions);

    DelegateMethodAdapter2 a = new DelegateMethodAdapter2(mLog, mwOriginal, mwDelegate, mClassName, name, desc,
            isStatic);
    return a;
}

---

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) {//  w  ww.  j a  v  a 2  s  .  c o  m

    // 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   w  w  w.j  av a 2s .co 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;
                }// w ww  . java  2 s.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.layoutlib.create.TransformClassAdapter.java

License:Apache License

@Override
public FieldVisitor visitField(int access, String name, String desc, String signature, Object value) {
    // change access to public
    access &= ~(Opcodes.ACC_PROTECTED | Opcodes.ACC_PRIVATE);
    access |= Opcodes.ACC_PUBLIC;/*from w w  w .ja  va2s  .c  o m*/

    return super.visitField(access, name, desc, signature, value);
}

---

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

License:Apache License

private static void defineCheckNull(ClassWriter writer, UserOperator operator, DataModelReference inputType) {

    MethodVisitor method = writer.visitMethod(Opcodes.ACC_PRIVATE | Opcodes.ACC_STATIC, METHOD_CHECK_NON_NULL,
            Type.getMethodDescriptor(Type.VOID_TYPE, typeOf(ValueOption.class), typeOf(Object.class),
                    typeOf(String.class)),
            null, null);//ww w .j a  va  2s. co  m

    LocalVarRef optionVar = new LocalVarRef(Opcodes.ALOAD, 0);
    LocalVarRef objectVar = new LocalVarRef(Opcodes.ALOAD, 1);
    LocalVarRef nameVar = new LocalVarRef(Opcodes.ALOAD, 2);

    // if (option.isNull()) {
    Label ifEnd = new Label();
    optionVar.load(method);
    getNullity(method, VALUE_DESC);
    method.visitJumpInsn(Opcodes.IFEQ, ifEnd);

    // new NullPointerException ...
    method.visitTypeInsn(Opcodes.NEW, typeOf(NullPointerException.class).getInternalName());
    method.visitInsn(Opcodes.DUP);

    // str = String.format("<type>.%s must not be null (in <operator>): %s", name, object)
    getConst(method,
            String.format("%s.%%s must not be null (in %s.%s): %%s", inputType.getDeclaration().getSimpleName(),
                    operator.getMethod().getDeclaringClass().getSimpleName(), operator.getMethod().getName()));

    getArray(method, typeOf(Object.class), new LocalVarRef[] { nameVar, objectVar });
    method.visitMethodInsn(Opcodes.INVOKESTATIC, typeOf(String.class).getInternalName(), "format",
            Type.getMethodDescriptor(typeOf(String.class), typeOf(String.class), typeOf(Object[].class)),
            false);

    // throw new NullPointerException(str)
    method.visitMethodInsn(Opcodes.INVOKESPECIAL, typeOf(NullPointerException.class).getInternalName(),
            CONSTRUCTOR_NAME, Type.getMethodDescriptor(Type.VOID_TYPE, typeOf(String.class)), false);

    method.visitInsn(Opcodes.ATHROW);

    method.visitLabel(ifEnd);
    // }
    method.visitInsn(Opcodes.RETURN);
    method.visitMaxs(0, 0);
    method.visitEnd();
}

---

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

License:Apache License

/**
 * Defines a new field./* w w  w . j  ava 2  s.c  om*/
 * @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.OperationGenerator.java

License:Apache License

private static void addContextField(ClassWriter writer) {
    writer.visitField(Opcodes.ACC_PRIVATE | Opcodes.ACC_FINAL, FIELD_CONTEXT,
            typeOf(OperationAdapter.Context.class).getDescriptor(), null, null);
}

---

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

License:Apache License

private static void addElementFields(ClassWriter writer, ClassDescription target, List<VertexElement> elements,
        Function<VertexElement, String> ids) {
    for (VertexElement element : elements) {
        writer.visitField(Opcodes.ACC_PRIVATE, ids.apply(element),
                typeOf(element.getRuntimeType()).getDescriptor(), null, null);
    }// w w  w. ja  v a 2  s  .  c o m
}

---

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

License:Apache License

private static void addElementMethods(ClassWriter writer, ClassDescription target, List<VertexElement> elements,
        Function<VertexElement, String> ids) {
    for (VertexElement element : elements) {
        String id = ids.apply(element);
        MethodVisitor method = writer.visitMethod(Opcodes.ACC_PRIVATE, id,
                Type.getMethodDescriptor(Type.VOID_TYPE), null, null);
        method.visitVarInsn(Opcodes.ALOAD, 0);
        switch (element.getElementKind()) {
        case VALUE:
            getValue(method, target, (ValueElement) element, ids);
            break;
        case OPERATOR:
        case AGGREGATE:
            getClass(method, target, (ClassNode) element, ids);
            break;
        case OUTPUT:
            getOutput(method, target, (OutputNode) element, ids);
            break;
        case DATA_TABLE:
            getDataTable(method, target, (DataTableNode) element, ids);
            break;
        case CONTEXT:
            getContext(method, target, ids);
            break;
        case EMPTY_DATA_TABLE:
            getEmptyDataTable(method, target, ids);
            break;
        default:/*w w  w.  j av  a  2s  .  c o  m*/
            throw new AssertionError(element.getElementKind());
        }
        method.visitFieldInsn(Opcodes.PUTFIELD, target.getInternalName(), id,
                typeOf(element.getRuntimeType()).getDescriptor());
        method.visitInsn(Opcodes.RETURN);
        method.visitMaxs(0, 0);
        method.visitEnd();
    }
}

---

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