Examples with Label org.mvel2.asm.Label used on opensource projects

Example 1 with Label

use of org.mvel2.asm.Label in project drools by kiegroup.

the class TraitCoreWrapperClassBuilderImpl method buildClass.

public byte[] buildClass(ClassDefinition core, ClassLoader classLoader) throws IOException, SecurityException, IllegalArgumentException, ClassNotFoundException, NoSuchMethodException, IllegalAccessException, InvocationTargetException, InstantiationException, NoSuchFieldException {
    Class coreKlazz = core.getDefinedClass();
    String coreName = coreKlazz.getName();
    String wrapperName = coreName + "Wrapper";
    FieldVisitor fv;
    MethodVisitor mv;
    ClassWriter cw = createClassWriter(classLoader, ACC_PUBLIC + ACC_SUPER, BuildUtils.getInternalType(wrapperName), BuildUtils.getTypeDescriptor(coreName) + "Lorg/drools/factmodel/traits/CoreWrapper<" + BuildUtils.getTypeDescriptor(coreName) + ">;", BuildUtils.getInternalType(coreName), new String[] { Type.getInternalName(CoreWrapper.class), Type.getInternalName(Externalizable.class) });
    {
        AnnotationVisitor av0 = cw.visitAnnotation(Type.getDescriptor(Traitable.class), true);
        av0.visit("logical", core.isFullTraiting());
    }
    {
        fv = cw.visitField(ACC_PRIVATE, "core", BuildUtils.getTypeDescriptor(coreName), null, null);
        fv.visitEnd();
    }
    {
        fv = cw.visitField(ACC_PRIVATE, TraitableBean.MAP_FIELD_NAME, Type.getDescriptor(Map.class), "Ljava/util/Map<Ljava/lang/String;Ljava/lang/Object;>;", null);
        fv.visitEnd();
    }
    {
        fv = cw.visitField(ACC_PRIVATE, TraitableBean.TRAITSET_FIELD_NAME, Type.getDescriptor(Map.class), "Ljava/util/Map<Ljava/lang/String;Lorg/drools/factmodel/traits/Thing;>;", null);
        fv.visitEnd();
    }
    {
        fv = cw.visitField(ACC_PRIVATE, TraitableBean.FIELDTMS_FIELD_NAME, Type.getDescriptor(TraitFieldTMS.class), null, null);
        fv.visitEnd();
    }
    {
        mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
        mv.visitCode();
        try {
            coreKlazz.getConstructor();
            mv.visitVarInsn(ALOAD, 0);
            mv.visitMethodInsn(INVOKESPECIAL, BuildUtils.getInternalType(coreName), "<init>", "()V");
        } catch (NoSuchMethodException nsme) {
            Constructor con = coreKlazz.getConstructors()[0];
            Class[] params = con.getParameterTypes();
            mv.visitVarInsn(ALOAD, 0);
            for (Class param : params) {
                mv.visitInsn(BuildUtils.zero(param.getName()));
            }
            mv.visitMethodInsn(INVOKESPECIAL, BuildUtils.getInternalType(coreName), "<init>", Type.getConstructorDescriptor(con));
        }
        // mv.visitVarInsn( ALOAD, 0 );
        // mv.visitTypeInsn( NEW, Type.getInternalName( HashMap.class ) );
        // mv.visitInsn( DUP );
        // mv.visitMethodInsn( INVOKESPECIAL, Type.getInternalName( HashMap.class ), "<init>", "()V" );
        // mv.visitFieldInsn( PUTFIELD,
        // BuildUtils.getInternalType( wrapperName ),
        // TraitableBean.MAP_FIELD_NAME,
        // Type.getDescriptor( Map.class ) );
        // mv.visitVarInsn( ALOAD, 0 );
        // mv.visitTypeInsn( NEW, Type.getInternalName( VetoableTypedMap.class ) );
        // mv.visitInsn( DUP );
        // mv.visitTypeInsn( NEW, Type.getInternalName( HashMap.class ) );
        // mv.visitInsn( DUP );
        // mv.visitMethodInsn( INVOKESPECIAL, Type.getInternalName( HashMap.class ), "<init>", "()V" );
        // mv.visitMethodInsn( INVOKESPECIAL, Type.getInternalName( VetoableTypedMap.class ), "<init>", "(" + Type.getDescriptor( Map.class ) + ")V" );
        // mv.visitFieldInsn( PUTFIELD,
        // BuildUtils.getInternalType( wrapperName ),
        // TraitableBean.TRAITSET_FIELD_NAME,
        // Type.getDescriptor( Map.class ) );
        mv.visitInsn(RETURN);
        mv.visitMaxs(0, 0);
        mv.visitEnd();
    }
    if (coreKlazz == null || needsMethod(coreKlazz, "getCore")) {
        {
            mv = cw.visitMethod(ACC_PUBLIC, "getCore", "()" + Type.getDescriptor(Object.class), "()" + BuildUtils.getTypeDescriptor(coreName), null);
            mv.visitCode();
            mv.visitVarInsn(ALOAD, 0);
            mv.visitFieldInsn(GETFIELD, BuildUtils.getInternalType(wrapperName), "core", BuildUtils.getTypeDescriptor(coreName));
            mv.visitInsn(ARETURN);
            mv.visitMaxs(0, 0);
            mv.visitEnd();
        }
    }
    if (coreKlazz == null || needsMethod(coreKlazz, "_getDynamicProperties")) {
        {
            mv = cw.visitMethod(ACC_PUBLIC, "_getDynamicProperties", "()" + Type.getDescriptor(Map.class), "()Ljava/util/Map<Ljava/lang/String;Ljava/lang/Object;>;", null);
            mv.visitCode();
            mv.visitVarInsn(ALOAD, 0);
            mv.visitFieldInsn(GETFIELD, BuildUtils.getInternalType(wrapperName), TraitableBean.MAP_FIELD_NAME, Type.getDescriptor(Map.class));
            mv.visitInsn(ARETURN);
            mv.visitMaxs(0, 0);
            mv.visitEnd();
            mv = cw.visitMethod(ACC_PUBLIC, "_setDynamicProperties", "(" + Type.getDescriptor(Map.class) + ")V", "(Ljava/util/Map<Ljava/lang/String;Ljava/lang/Object;>;)V", null);
            mv.visitCode();
            mv.visitVarInsn(ALOAD, 0);
            mv.visitVarInsn(ALOAD, 1);
            mv.visitFieldInsn(PUTFIELD, BuildUtils.getInternalType(wrapperName), TraitableBean.MAP_FIELD_NAME, Type.getDescriptor(Map.class));
            mv.visitInsn(RETURN);
            mv.visitMaxs(0, 0);
            mv.visitEnd();
        }
    }
    if (coreKlazz == null || needsMethod(coreKlazz, "_getTraitMap")) {
        {
            mv = cw.visitMethod(ACC_PUBLIC, "_getTraitMap", "()" + Type.getDescriptor(Map.class), "()Ljava/util/Map<Ljava/lang/String;Lorg/drools/factmodel/traits/Thing;>;", null);
            mv.visitCode();
            mv.visitVarInsn(ALOAD, 0);
            mv.visitFieldInsn(GETFIELD, BuildUtils.getInternalType(wrapperName), TraitableBean.TRAITSET_FIELD_NAME, Type.getDescriptor(Map.class));
            Label l0 = new Label();
            mv.visitJumpInsn(IFNULL, l0);
            mv.visitVarInsn(ALOAD, 0);
            mv.visitFieldInsn(GETFIELD, BuildUtils.getInternalType(wrapperName), TraitableBean.TRAITSET_FIELD_NAME, Type.getDescriptor(Map.class));
            mv.visitFieldInsn(GETSTATIC, Type.getInternalName(Collections.class), "EMPTY_MAP", Type.getDescriptor(Map.class));
            Label l1 = new Label();
            mv.visitJumpInsn(IF_ACMPNE, l1);
            mv.visitLabel(l0);
            mv.visitVarInsn(ALOAD, 0);
            mv.visitTypeInsn(NEW, Type.getInternalName(TraitTypeMap.class));
            mv.visitInsn(DUP);
            mv.visitTypeInsn(NEW, Type.getInternalName(HashMap.class));
            mv.visitInsn(DUP);
            mv.visitMethodInsn(INVOKESPECIAL, Type.getInternalName(HashMap.class), "<init>", "()V");
            mv.visitMethodInsn(INVOKESPECIAL, Type.getInternalName(TraitTypeMap.class), "<init>", "(" + Type.getDescriptor(Map.class) + ")V");
            mv.visitFieldInsn(PUTFIELD, BuildUtils.getInternalType(wrapperName), TraitableBean.TRAITSET_FIELD_NAME, Type.getDescriptor(Map.class));
            mv.visitLabel(l1);
            mv.visitVarInsn(ALOAD, 0);
            mv.visitFieldInsn(GETFIELD, BuildUtils.getInternalType(wrapperName), TraitableBean.TRAITSET_FIELD_NAME, Type.getDescriptor(Map.class));
            mv.visitInsn(ARETURN);
            mv.visitMaxs(0, 0);
            mv.visitEnd();
        }
    }
    if (coreKlazz == null || needsMethod(coreKlazz, "setTraitMap", Map.class)) {
        {
            mv = cw.visitMethod(ACC_PUBLIC, "setTraitMap", "(Ljava/util/Map;)V", null, null);
            mv.visitCode();
            mv.visitVarInsn(ALOAD, 0);
            mv.visitTypeInsn(NEW, Type.getInternalName(TraitTypeMap.class));
            mv.visitInsn(DUP);
            mv.visitVarInsn(ALOAD, 1);
            mv.visitMethodInsn(INVOKESPECIAL, Type.getInternalName(TraitTypeMap.class), "<init>", "(" + Type.getDescriptor(Map.class) + ")V");
            mv.visitFieldInsn(PUTFIELD, BuildUtils.getInternalType(wrapperName), TraitableBean.TRAITSET_FIELD_NAME, Type.getDescriptor(Map.class));
            mv.visitInsn(RETURN);
            mv.visitMaxs(0, 0);
            mv.visitEnd();
        }
    }
    if (coreKlazz == null || needsMethod(coreKlazz, "addTrait", String.class, Thing.class)) {
        {
            mv = cw.visitMethod(ACC_PUBLIC, "addTrait", "(" + Type.getDescriptor(String.class) + Type.getDescriptor(Thing.class) + ")V", "(" + Type.getDescriptor(String.class) + Type.getDescriptor(Thing.class) + ")V", null);
            mv.visitCode();
            mv.visitVarInsn(ALOAD, 0);
            mv.visitMethodInsn(INVOKEVIRTUAL, BuildUtils.getInternalType(wrapperName), "_getTraitMap", "()" + Type.getDescriptor(Map.class));
            mv.visitTypeInsn(CHECKCAST, Type.getInternalName(TraitTypeMap.class));
            mv.visitVarInsn(ALOAD, 1);
            mv.visitVarInsn(ALOAD, 2);
            mv.visitMethodInsn(INVOKEVIRTUAL, Type.getInternalName(TraitTypeMap.class), "putSafe", "(" + Type.getDescriptor(String.class) + Type.getDescriptor(Thing.class) + ")" + Type.getDescriptor(Thing.class));
            mv.visitInsn(POP);
            mv.visitInsn(RETURN);
            mv.visitMaxs(0, 0);
            mv.visitEnd();
        }
    }
    if (coreKlazz == null || needsMethod(coreKlazz, "getTrait", String.class)) {
        {
            mv = cw.visitMethod(ACC_PUBLIC, "getTrait", "(" + Type.getDescriptor(String.class) + ")" + Type.getDescriptor(Thing.class), "(" + Type.getDescriptor(String.class) + ")" + Type.getDescriptor(Thing.class), null);
            mv.visitCode();
            mv.visitVarInsn(ALOAD, 0);
            mv.visitMethodInsn(INVOKEVIRTUAL, BuildUtils.getInternalType(wrapperName), "_getTraitMap", "()" + Type.getDescriptor(Map.class));
            mv.visitVarInsn(ALOAD, 1);
            mv.visitMethodInsn(INVOKEINTERFACE, Type.getInternalName(Map.class), "get", "(" + Type.getDescriptor(Object.class) + ")" + Type.getDescriptor(Object.class));
            mv.visitTypeInsn(CHECKCAST, Type.getInternalName(Thing.class));
            mv.visitInsn(ARETURN);
            mv.visitMaxs(0, 0);
            mv.visitEnd();
        }
    }
    if (coreKlazz == null || needsMethod(coreKlazz, "hasTraits")) {
        {
            mv = cw.visitMethod(ACC_PUBLIC, "hasTraits", Type.getMethodDescriptor(Type.getType(boolean.class), new Type[] {}), null, null);
            mv.visitCode();
            mv.visitVarInsn(ALOAD, 0);
            mv.visitMethodInsn(INVOKEVIRTUAL, BuildUtils.getInternalType(wrapperName), "_getTraitMap", "()" + Type.getDescriptor(Map.class));
            Label l5 = new Label();
            mv.visitJumpInsn(IFNULL, l5);
            mv.visitVarInsn(ALOAD, 0);
            mv.visitMethodInsn(INVOKEVIRTUAL, BuildUtils.getInternalType(wrapperName), "_getTraitMap", "()" + Type.getDescriptor(Map.class));
            mv.visitMethodInsn(INVOKEINTERFACE, Type.getInternalName(Map.class), "isEmpty", Type.getMethodDescriptor(Type.BOOLEAN_TYPE, new Type[] {}));
            mv.visitJumpInsn(IFNE, l5);
            mv.visitInsn(ICONST_1);
            Label l4 = new Label();
            mv.visitJumpInsn(GOTO, l4);
            mv.visitLabel(l5);
            mv.visitInsn(ICONST_0);
            mv.visitLabel(l4);
            mv.visitInsn(IRETURN);
            mv.visitMaxs(0, 0);
            mv.visitEnd();
        }
    }
    if (coreKlazz == null || needsMethod(coreKlazz, "hasTrait", String.class)) {
        {
            mv = cw.visitMethod(ACC_PUBLIC, "hasTrait", "(" + Type.getDescriptor(String.class) + ")Z", null, null);
            mv.visitCode();
            mv.visitVarInsn(ALOAD, 0);
            mv.visitMethodInsn(INVOKEVIRTUAL, BuildUtils.getInternalType(wrapperName), "_getTraitMap", "()" + Type.getDescriptor(Map.class));
            mv.visitVarInsn(ALOAD, 1);
            mv.visitMethodInsn(INVOKEINTERFACE, Type.getInternalName(Map.class), "containsKey", "(" + Type.getDescriptor(Object.class) + ")Z");
            mv.visitInsn(IRETURN);
            mv.visitMaxs(0, 0);
            mv.visitEnd();
        }
    }
    if (coreKlazz == null || needsMethod(coreKlazz, "removeTrait", String.class)) {
        {
            mv = cw.visitMethod(ACC_PUBLIC, "removeTrait", Type.getMethodDescriptor(Type.getType(Collection.class), new Type[] { Type.getType(String.class) }), Type.getMethodDescriptor(Type.getType(Collection.class), new Type[] { Type.getType(String.class) }), null);
            mv.visitCode();
            mv.visitVarInsn(ALOAD, 0);
            mv.visitMethodInsn(INVOKEVIRTUAL, BuildUtils.getInternalType(wrapperName), "_getTraitMap", Type.getMethodDescriptor(Type.getType(Map.class), new Type[] {}));
            mv.visitTypeInsn(CHECKCAST, Type.getInternalName(TraitTypeMap.class));
            mv.visitVarInsn(ALOAD, 1);
            mv.visitMethodInsn(INVOKEVIRTUAL, Type.getInternalName(TraitTypeMap.class), "removeCascade", Type.getMethodDescriptor(Type.getType(Collection.class), new Type[] { Type.getType(String.class) }));
            mv.visitInsn(ARETURN);
            mv.visitMaxs(0, 0);
            mv.visitEnd();
            mv = cw.visitMethod(ACC_PUBLIC, "removeTrait", Type.getMethodDescriptor(Type.getType(Collection.class), new Type[] { Type.getType(BitSet.class) }), Type.getMethodDescriptor(Type.getType(Collection.class), new Type[] { Type.getType(BitSet.class) }), null);
            mv.visitCode();
            mv.visitVarInsn(ALOAD, 0);
            mv.visitMethodInsn(INVOKEVIRTUAL, BuildUtils.getInternalType(wrapperName), "_getTraitMap", Type.getMethodDescriptor(Type.getType(Map.class), new Type[] {}));
            mv.visitTypeInsn(CHECKCAST, Type.getInternalName(TraitTypeMap.class));
            mv.visitVarInsn(ALOAD, 1);
            mv.visitMethodInsn(INVOKEVIRTUAL, Type.getInternalName(TraitTypeMap.class), "removeCascade", Type.getMethodDescriptor(Type.getType(Collection.class), new Type[] { Type.getType(BitSet.class) }));
            mv.visitInsn(ARETURN);
            mv.visitMaxs(0, 0);
            mv.visitEnd();
        }
    }
    if (coreKlazz == null || needsMethod(coreKlazz, "getTraits")) {
        {
            mv = cw.visitMethod(ACC_PUBLIC, "getTraits", "()" + Type.getDescriptor(Collection.class), "()Ljava/util/Collection<Ljava/lang/String;>;", null);
            mv.visitCode();
            mv.visitVarInsn(ALOAD, 0);
            mv.visitMethodInsn(INVOKEVIRTUAL, BuildUtils.getInternalType(wrapperName), "_getTraitMap", "()" + Type.getDescriptor(Map.class));
            mv.visitMethodInsn(INVOKEINTERFACE, Type.getInternalName(Map.class), "keySet", "()" + Type.getDescriptor(Set.class));
            mv.visitInsn(ARETURN);
            mv.visitMaxs(0, 0);
            mv.visitEnd();
        }
    }
    if (coreKlazz == null || needsMethod(coreKlazz, "_setBottomTypeCode")) {
        {
            mv = cw.visitMethod(ACC_PUBLIC, "_setBottomTypeCode", "(" + Type.getDescriptor(BitSet.class) + ")V", null, null);
            mv.visitCode();
            mv.visitVarInsn(ALOAD, 0);
            mv.visitFieldInsn(GETFIELD, BuildUtils.getInternalType(wrapperName), TraitableBean.TRAITSET_FIELD_NAME, Type.getDescriptor(Map.class));
            mv.visitTypeInsn(CHECKCAST, Type.getInternalName(TraitTypeMap.class));
            mv.visitVarInsn(ALOAD, 1);
            mv.visitMethodInsn(INVOKEVIRTUAL, Type.getInternalName(TraitTypeMap.class), "setBottomCode", "(" + Type.getDescriptor(BitSet.class) + ")V");
            mv.visitInsn(RETURN);
            mv.visitMaxs(0, 0);
            mv.visitEnd();
        }
    }
    if (coreKlazz == null || needsMethod(coreKlazz, "getCurrentTypeCode")) {
        {
            mv = cw.visitMethod(ACC_PUBLIC, "getCurrentTypeCode", "()" + Type.getDescriptor(BitSet.class), null, null);
            mv.visitCode();
            mv.visitVarInsn(ALOAD, 0);
            mv.visitFieldInsn(GETFIELD, BuildUtils.getInternalType(wrapperName), TraitableBean.TRAITSET_FIELD_NAME, Type.getDescriptor(Map.class));
            Label l3 = new Label();
            mv.visitJumpInsn(IFNONNULL, l3);
            mv.visitInsn(ACONST_NULL);
            mv.visitInsn(ARETURN);
            mv.visitLabel(l3);
            mv.visitVarInsn(ALOAD, 0);
            mv.visitFieldInsn(GETFIELD, BuildUtils.getInternalType(wrapperName), TraitableBean.TRAITSET_FIELD_NAME, Type.getDescriptor(Map.class));
            mv.visitTypeInsn(CHECKCAST, Type.getInternalName(TraitTypeMap.class));
            mv.visitMethodInsn(INVOKEVIRTUAL, Type.getInternalName(TraitTypeMap.class), "getCurrentTypeCode", "()" + Type.getDescriptor(BitSet.class));
            mv.visitInsn(ARETURN);
            mv.visitMaxs(0, 0);
            mv.visitEnd();
        }
    }
    if (coreKlazz == null || needsMethod(coreKlazz, "getMostSpecificTraits")) {
        {
            mv = cw.visitMethod(ACC_PUBLIC, "getMostSpecificTraits", "()" + Type.getDescriptor(Collection.class), "()Ljava/util/Collection<Lorg/drools/factmodel/traits/Thing;>;", null);
            mv.visitCode();
            mv.visitVarInsn(ALOAD, 0);
            mv.visitFieldInsn(GETFIELD, BuildUtils.getInternalType(wrapperName), TraitableBean.TRAITSET_FIELD_NAME, Type.getDescriptor(Map.class));
            mv.visitTypeInsn(CHECKCAST, Type.getInternalName(TraitTypeMap.class));
            mv.visitMethodInsn(INVOKEVIRTUAL, Type.getInternalName(TraitTypeMap.class), "getMostSpecificTraits", "()" + Type.getDescriptor(Collection.class));
            mv.visitInsn(ARETURN);
            mv.visitMaxs(0, 0);
            mv.visitEnd();
        }
    }
    if (coreKlazz == null || needsMethod(coreKlazz, "_getFieldTMS", TraitFieldTMS.class)) {
        {
            mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "_getFieldTMS", Type.getMethodDescriptor(Type.getType(TraitFieldTMS.class), new Type[] {}), null, null);
            mv.visitCode();
            mv.visitVarInsn(ALOAD, 0);
            mv.visitFieldInsn(GETFIELD, BuildUtils.getInternalType(wrapperName), TraitableBean.FIELDTMS_FIELD_NAME, Type.getDescriptor(TraitFieldTMS.class));
            mv.visitInsn(ARETURN);
            mv.visitMaxs(0, 0);
            mv.visitEnd();
        }
    }
    if (coreKlazz == null || needsMethod(coreKlazz, "_setFieldTMS", TraitFieldTMS.class)) {
        {
            mv = cw.visitMethod(ACC_PUBLIC, "_setFieldTMS", Type.getMethodDescriptor(Type.VOID_TYPE, new Type[] { Type.getType(TraitFieldTMS.class) }), null, null);
            mv.visitCode();
            mv.visitVarInsn(ALOAD, 0);
            mv.visitVarInsn(ALOAD, 1);
            mv.visitFieldInsn(PUTFIELD, BuildUtils.getInternalType(wrapperName), TraitableBean.FIELDTMS_FIELD_NAME, Type.getDescriptor(TraitFieldTMS.class));
            mv.visitInsn(RETURN);
            mv.visitMaxs(0, 0);
            mv.visitEnd();
        }
    }
    {
        mv = cw.visitMethod(ACC_PUBLIC, "writeExternal", "(" + Type.getDescriptor(ObjectOutput.class) + ")V", null, new String[] { Type.getInternalName(IOException.class) });
        mv.visitCode();
        mv.visitVarInsn(ALOAD, 1);
        mv.visitVarInsn(ALOAD, 0);
        mv.visitMethodInsn(INVOKEVIRTUAL, BuildUtils.getInternalType(wrapperName), "getCore", "()" + Type.getDescriptor(Object.class));
        mv.visitMethodInsn(INVOKEINTERFACE, Type.getInternalName(ObjectOutput.class), "writeObject", "(" + Type.getDescriptor(Object.class) + ")V");
        mv.visitVarInsn(ALOAD, 1);
        mv.visitVarInsn(ALOAD, 0);
        mv.visitFieldInsn(GETFIELD, BuildUtils.getInternalType(wrapperName), TraitableBean.MAP_FIELD_NAME, Type.getDescriptor(Map.class));
        mv.visitMethodInsn(INVOKEINTERFACE, Type.getInternalName(ObjectOutput.class), "writeObject", "(" + Type.getDescriptor(Object.class) + ")V");
        mv.visitVarInsn(ALOAD, 1);
        mv.visitVarInsn(ALOAD, 0);
        mv.visitFieldInsn(GETFIELD, BuildUtils.getInternalType(wrapperName), TraitableBean.TRAITSET_FIELD_NAME, Type.getDescriptor(Map.class));
        mv.visitMethodInsn(INVOKEINTERFACE, Type.getInternalName(ObjectOutput.class), "writeObject", "(" + Type.getDescriptor(Object.class) + ")V");
        if (core.isFullTraiting()) {
            mv.visitVarInsn(ALOAD, 1);
            mv.visitVarInsn(ALOAD, 0);
            mv.visitFieldInsn(GETFIELD, BuildUtils.getInternalType(wrapperName), TraitableBean.FIELDTMS_FIELD_NAME, Type.getDescriptor(Map.class));
            mv.visitMethodInsn(INVOKEINTERFACE, Type.getInternalName(ObjectOutput.class), "writeObject", "(" + Type.getDescriptor(Object.class) + ")V");
        }
        mv.visitInsn(RETURN);
        mv.visitMaxs(0, 0);
        mv.visitEnd();
    }
    {
        mv = cw.visitMethod(ACC_PUBLIC, "readExternal", "(" + Type.getDescriptor(ObjectInput.class) + ")V", null, new String[] { Type.getInternalName(IOException.class), Type.getInternalName(ClassNotFoundException.class) });
        mv.visitCode();
        mv.visitVarInsn(ALOAD, 0);
        mv.visitVarInsn(ALOAD, 1);
        mv.visitMethodInsn(INVOKEINTERFACE, Type.getInternalName(ObjectInput.class), "readObject", "()" + Type.getDescriptor(Object.class));
        mv.visitTypeInsn(CHECKCAST, BuildUtils.getInternalType(coreName));
        mv.visitFieldInsn(PUTFIELD, BuildUtils.getInternalType(wrapperName), "core", BuildUtils.getTypeDescriptor(coreName));
        mv.visitVarInsn(ALOAD, 0);
        mv.visitVarInsn(ALOAD, 1);
        mv.visitMethodInsn(INVOKEINTERFACE, Type.getInternalName(ObjectInput.class), "readObject", "()" + Type.getDescriptor(Object.class));
        mv.visitTypeInsn(CHECKCAST, Type.getInternalName(Map.class));
        mv.visitFieldInsn(PUTFIELD, BuildUtils.getInternalType(wrapperName), TraitableBean.MAP_FIELD_NAME, Type.getDescriptor(Map.class));
        mv.visitVarInsn(ALOAD, 0);
        mv.visitVarInsn(ALOAD, 1);
        mv.visitMethodInsn(INVOKEINTERFACE, Type.getInternalName(ObjectInput.class), "readObject", "()" + Type.getDescriptor(Object.class));
        mv.visitTypeInsn(CHECKCAST, Type.getInternalName(Map.class));
        mv.visitFieldInsn(PUTFIELD, BuildUtils.getInternalType(wrapperName), TraitableBean.TRAITSET_FIELD_NAME, Type.getDescriptor(Map.class));
        if (core.isFullTraiting()) {
            mv.visitVarInsn(ALOAD, 0);
            mv.visitVarInsn(ALOAD, 1);
            mv.visitMethodInsn(INVOKEINTERFACE, Type.getInternalName(ObjectInput.class), "readObject", "()" + Type.getDescriptor(Object.class));
            mv.visitTypeInsn(CHECKCAST, Type.getInternalName(TraitFieldTMS.class));
            mv.visitFieldInsn(PUTFIELD, BuildUtils.getInternalType(wrapperName), TraitableBean.FIELDTMS_FIELD_NAME, Type.getDescriptor(TraitFieldTMS.class));
        }
        mv.visitInsn(RETURN);
        mv.visitMaxs(0, 0);
        mv.visitEnd();
    }
    {
        mv = cw.visitMethod(ACC_PUBLIC, "init", "(" + BuildUtils.getTypeDescriptor(coreName) + ")V", null, null);
        mv.visitCode();
        mv.visitVarInsn(ALOAD, 0);
        mv.visitVarInsn(ALOAD, 1);
        mv.visitFieldInsn(PUTFIELD, BuildUtils.getInternalType(wrapperName), "core", BuildUtils.getTypeDescriptor(coreName));
        initializeDynamicTypeStructures(mv, wrapperName, core);
        mv.visitInsn(RETURN);
        mv.visitMaxs(0, 0);
        mv.visitEnd();
    }
    Method[] ms = coreKlazz.getMethods();
    for (Method method : ms) {
        if (Modifier.isFinal(method.getModifiers())) {
            continue;
        }
        String signature = TraitFactory.buildSignature(method);
        {
            mv = cw.visitMethod(ACC_PUBLIC, method.getName(), signature, null, null);
            mv.visitCode();
            mv.visitVarInsn(ALOAD, 0);
            mv.visitFieldInsn(GETFIELD, BuildUtils.getInternalType(wrapperName), "core", BuildUtils.getTypeDescriptor(coreName));
            Label l0 = new Label();
            mv.visitJumpInsn(IFNONNULL, l0);
            if (method.getReturnType() == void.class) {
                mv.visitInsn(RETURN);
            } else {
                mv.visitInsn(BuildUtils.zero(method.getReturnType().getName()));
                mv.visitInsn(BuildUtils.returnType(method.getReturnType().getName()));
            }
            mv.visitLabel(l0);
            mv.visitVarInsn(ALOAD, 0);
            mv.visitFieldInsn(GETFIELD, BuildUtils.getInternalType(wrapperName), "core", BuildUtils.getTypeDescriptor(coreName));
            int j = 1;
            for (Class arg : method.getParameterTypes()) {
                mv.visitVarInsn(BuildUtils.varType(arg.getName()), j++);
            }
            mv.visitMethodInsn(INVOKEVIRTUAL, BuildUtils.getInternalType(coreName), method.getName(), signature);
            mv.visitInsn(BuildUtils.returnType(method.getReturnType().getName()));
            int stack = TraitFactory.getStackSize(method);
            mv.visitMaxs(0, 0);
            mv.visitEnd();
        }
    }
    {
        mv = cw.visitMethod(ACC_PUBLIC + ACC_BRIDGE + ACC_SYNTHETIC, "init", "(" + Type.getDescriptor(Object.class) + ")V", null, null);
        mv.visitCode();
        mv.visitVarInsn(ALOAD, 0);
        mv.visitVarInsn(ALOAD, 1);
        mv.visitTypeInsn(CHECKCAST, BuildUtils.getInternalType(coreName));
        mv.visitMethodInsn(INVOKEVIRTUAL, BuildUtils.getInternalType(wrapperName), "init", "(" + BuildUtils.getTypeDescriptor(coreName) + ")V");
        mv.visitInsn(RETURN);
        mv.visitMaxs(0, 0);
        mv.visitEnd();
    }
    cw.visitEnd();
    return cw.toByteArray();
}

Example 2 with Label

use of org.mvel2.asm.Label in project drools by kiegroup.

the class TraitMapPropertyWrapperClassBuilderImpl method buildRemove.

protected void buildRemove(ClassWriter cw, String wrapperName, ClassDefinition trait, ClassDefinition core, BitSet mask) {
    String internalWrapper = BuildUtils.getInternalType(wrapperName);
    MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "remove", "(" + Type.getDescriptor(Object.class) + ")" + Type.getDescriptor(Object.class), null, null);
    mv.visitCode();
    for (FieldDefinition field : core.getFieldsDefinitions()) {
        invokeRemove(mv, wrapperName, core, field.getName(), field);
    }
    int j = 0;
    for (FieldDefinition field : trait.getFieldsDefinitions()) {
        boolean isSoftField = TraitRegistry.isSoftField(field, j++, mask);
        if (isSoftField) {
            mv.visitLdcInsn(field.getName());
            mv.visitVarInsn(ALOAD, 1);
            mv.visitMethodInsn(INVOKEVIRTUAL, Type.getInternalName(String.class), "equals", "(" + Type.getDescriptor(Object.class) + ")Z", false);
            Label l2 = new Label();
            mv.visitJumpInsn(IFEQ, l2);
            mv.visitVarInsn(ALOAD, 0);
            mv.visitFieldInsn(GETFIELD, internalWrapper, "map", Type.getDescriptor(Map.class));
            mv.visitLdcInsn(field.getName());
            mv.visitMethodInsn(INVOKEINTERFACE, Type.getInternalName(Map.class), "get", "(" + Type.getDescriptor(Object.class) + ")" + Type.getDescriptor(Object.class), true);
            mv.visitVarInsn(ASTORE, 2);
            mv.visitVarInsn(ALOAD, 0);
            mv.visitFieldInsn(GETFIELD, internalWrapper, "map", Type.getDescriptor(Map.class));
            mv.visitLdcInsn(field.getName());
            mv.visitInsn(BuildUtils.zero(field.getTypeName()));
            if (BuildUtils.isPrimitive(field.getTypeName())) {
                TraitFactory.valueOf(mv, field.getTypeName());
            }
            mv.visitMethodInsn(INVOKEINTERFACE, Type.getInternalName(Map.class), "put", "(" + Type.getDescriptor(Object.class) + Type.getDescriptor(Object.class) + ")" + Type.getDescriptor(Object.class), true);
            mv.visitInsn(POP);
            mv.visitVarInsn(ALOAD, 2);
            mv.visitInsn(ARETURN);
            mv.visitLabel(l2);
        }
    }
    mv.visitVarInsn(ALOAD, 0);
    mv.visitFieldInsn(GETFIELD, internalWrapper, "map", Type.getDescriptor(Map.class));
    mv.visitVarInsn(ALOAD, 1);
    mv.visitMethodInsn(INVOKEINTERFACE, Type.getInternalName(Map.class), "remove", "(" + Type.getDescriptor(Object.class) + ")" + Type.getDescriptor(Object.class), true);
    mv.visitVarInsn(ASTORE, 2);
    mv.visitVarInsn(ALOAD, 2);
    mv.visitInsn(ARETURN);
    mv.visitMaxs(0, 0);
    mv.visitEnd();
}

Example 3 with Label

use of org.mvel2.asm.Label in project drools by kiegroup.

the class TraitMapPropertyWrapperClassBuilderImpl method initSoftFields.

protected void initSoftFields(MethodVisitor mv, ClassDefinition trait, ClassDefinition core, String internalWrapper, BitSet mask, int varNum) {
    int j = 0;
    for (FieldDefinition field : trait.getFieldsDefinitions()) {
        boolean isSoftField = TraitRegistry.isSoftField(field, j++, mask);
        if (isSoftField) {
            mv.visitVarInsn(ALOAD, varNum);
            mv.visitLdcInsn(field.resolveAlias());
            mv.visitMethodInsn(INVOKEINTERFACE, Type.getInternalName(Map.class), "containsKey", Type.getMethodDescriptor(Type.getType(boolean.class), Type.getType(Object.class)), true);
            Label l0 = new Label();
            mv.visitJumpInsn(IFNE, l0);
            mv.visitVarInsn(ALOAD, varNum);
            mv.visitLdcInsn(field.resolveAlias());
            mv.visitInsn(BuildUtils.zero(field.getTypeName()));
            if (BuildUtils.isPrimitive(field.getTypeName())) {
                TraitFactory.valueOf(mv, field.getTypeName());
            }
            mv.visitMethodInsn(INVOKEINTERFACE, Type.getInternalName(Map.class), "put", Type.getMethodDescriptor(Type.getType(Object.class), Type.getType(Object.class), Type.getType(Object.class)), true);
            mv.visitInsn(POP);
            if (core.isFullTraiting()) {
                registerLogicalField(mv, internalWrapper, field, core);
            }
            mv.visitLabel(l0);
        }
    }
}

Example 4 with Label

use of org.mvel2.asm.Label in project drools by kiegroup.

the class TraitMapPropertyWrapperClassBuilderImpl method invokeGet.

protected void invokeGet(MethodVisitor mv, String wrapperName, ClassDefinition core, String fieldName, FieldDefinition field) {
    mv.visitLdcInsn(fieldName);
    mv.visitVarInsn(ALOAD, 1);
    mv.visitMethodInsn(INVOKEVIRTUAL, Type.getInternalName(String.class), "equals", "(" + Type.getDescriptor(Object.class) + ")Z", false);
    Label l0 = new Label();
    mv.visitJumpInsn(IFEQ, l0);
    TraitFactory.invokeExtractor(mv, wrapperName, trait, core, field);
    if (BuildUtils.isPrimitive(field.getTypeName())) {
        TraitFactory.valueOf(mv, field.getTypeName());
    }
    mv.visitInsn(ARETURN);
    mv.visitLabel(l0);
}

Example 5 with Label

use of org.mvel2.asm.Label in project drools by kiegroup.

the class TraitMapPropertyWrapperClassBuilderImpl method buildContainsValue.

protected void buildContainsValue(ClassWriter cw, String wrapperName, ClassDefinition trait, ClassDefinition core) {
    String internalWrapper = BuildUtils.getInternalType(wrapperName);
    MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "containsValue", "(" + Type.getDescriptor(Object.class) + ")Z", null, null);
    mv.visitCode();
    // null check
    mv.visitVarInsn(ALOAD, 1);
    Label l99 = new Label();
    mv.visitJumpInsn(IFNONNULL, l99);
    for (FieldDefinition field : core.getFieldsDefinitions()) {
        if (!BuildUtils.isPrimitive(field.getTypeName())) {
            extractAndTestNotNull(mv, wrapperName, core, field);
        }
    }
    mv.visitVarInsn(ALOAD, 0);
    mv.visitFieldInsn(GETFIELD, internalWrapper, "map", Type.getDescriptor(Map.class));
    mv.visitInsn(ACONST_NULL);
    mv.visitMethodInsn(INVOKEINTERFACE, Type.getInternalName(Map.class), "containsValue", "(" + Type.getDescriptor(Object.class) + ")Z", true);
    mv.visitInsn(IRETURN);
    mv.visitLabel(l99);
    // non-null values check
    for (FieldDefinition field : core.getFieldsDefinitions()) {
        mv.visitVarInsn(ALOAD, 1);
        TraitFactory.invokeExtractor(mv, wrapperName, trait, core, field);
        if (BuildUtils.isPrimitive(field.getTypeName())) {
            TraitFactory.valueOf(mv, field.getTypeName());
        }
        mv.visitMethodInsn(INVOKEVIRTUAL, Type.getInternalName(Object.class), "equals", "(" + Type.getDescriptor(Object.class) + ")Z", false);
        Label l0 = new Label();
        mv.visitJumpInsn(IFEQ, l0);
        mv.visitInsn(ICONST_1);
        mv.visitInsn(IRETURN);
        mv.visitLabel(l0);
    }
    mv.visitVarInsn(ALOAD, 0);
    mv.visitFieldInsn(GETFIELD, internalWrapper, "map", Type.getDescriptor(Map.class));
    mv.visitVarInsn(ALOAD, 1);
    mv.visitMethodInsn(INVOKEINTERFACE, Type.getInternalName(Map.class), "containsValue", "(" + Type.getDescriptor(Object.class) + ")Z", true);
    mv.visitInsn(IRETURN);
    mv.visitMaxs(0, 0);
    mv.visitEnd();
}