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

Example 21 with FieldVisitor

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

the class DefaultEnumClassBuilder method buildLiterals.

protected void buildLiterals(ClassWriter cw, EnumClassDefinition classDef) {
    FieldVisitor fv;
    for (EnumLiteralDefinition lit : classDef.getEnumLiterals()) {
        fv = cw.visitField(ACC_PUBLIC + ACC_FINAL + ACC_STATIC + ACC_ENUM, lit.getName(), BuildUtils.getTypeDescriptor(classDef.getClassName()), null, null);
        fv.visitEnd();
    }
    {
        fv = cw.visitField(ACC_PRIVATE + ACC_FINAL + ACC_STATIC + ACC_SYNTHETIC, "$VALUES", "[" + BuildUtils.getTypeDescriptor(classDef.getClassName()), null, null);
        fv.visitEnd();
    }
}

Example 22 with FieldVisitor

use of org.mvel2.asm.FieldVisitor in project mvel by mvel.

the class CheckClassAdapter method visitField.

@Override
public FieldVisitor visitField(final int access, final String name, final String desc, final String signature, final Object value) {
    checkState();
    checkAccess(access, Opcodes.ACC_PUBLIC + Opcodes.ACC_PRIVATE + Opcodes.ACC_PROTECTED + Opcodes.ACC_STATIC + Opcodes.ACC_FINAL + Opcodes.ACC_VOLATILE + Opcodes.ACC_TRANSIENT + Opcodes.ACC_SYNTHETIC + Opcodes.ACC_ENUM + Opcodes.ACC_DEPRECATED + // ClassWriter.ACC_SYNTHETIC_ATTRIBUTE
    0x40000);
    CheckMethodAdapter.checkUnqualifiedName(version, name, "field name");
    CheckMethodAdapter.checkDesc(desc, false);
    if (signature != null) {
        checkFieldSignature(signature);
    }
    if (value != null) {
        CheckMethodAdapter.checkConstant(value);
    }
    FieldVisitor av = super.visitField(access, name, desc, signature, value);
    return new CheckFieldAdapter(av);
}

Example 23 with FieldVisitor

use of org.mvel2.asm.FieldVisitor in project mvel by mvel.

the class TraceClassVisitor method visitField.

@Override
public FieldVisitor visitField(final int access, final String name, final String desc, final String signature, final Object value) {
    Printer p = this.p.visitField(access, name, desc, signature, value);
    FieldVisitor fv = cv == null ? null : cv.visitField(access, name, desc, signature, value);
    return new TraceFieldVisitor(fv, p);
}

Example 24 with FieldVisitor

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

the class TraitMapProxyClassBuilderImpl method buildClass.

public byte[] buildClass(ClassDefinition core, ClassLoader classLoader) throws IOException, SecurityException, IllegalArgumentException, ClassNotFoundException, NoSuchMethodException, IllegalAccessException, InvocationTargetException, InstantiationException, NoSuchFieldException {
    FieldVisitor fv;
    MethodVisitor mv;
    // get the method bitmask
    BitSet mask = traitRegistry.getFieldMask(getTrait().getName(), core.getDefinedClass().getName());
    String name = TraitFactory.getPropertyWrapperName(getTrait(), core);
    String masterName = TraitFactory.getProxyName(getTrait(), core);
    Class<?> traitClass = getTrait().getDefinedClass();
    String internalWrapper = BuildUtils.getInternalType(name);
    String internalProxy = BuildUtils.getInternalType(masterName);
    String descrCore = Type.getDescriptor(core.getDefinedClass());
    String internalCore = Type.getInternalName(core.getDefinedClass());
    String internalTrait = Type.getInternalName(traitClass);
    MixinInfo mixinInfo = findMixinInfo(traitClass);
    ClassWriter cw = createClassWriter(classLoader, ACC_PUBLIC + ACC_SUPER, internalProxy, null, Type.getInternalName(proxyBaseClass), new String[] { internalTrait, Type.getInternalName(Serializable.class) });
    {
        fv = cw.visitField(ACC_PRIVATE + ACC_FINAL + ACC_STATIC, TraitType.traitNameField, Type.getDescriptor(String.class), null, null);
        fv.visitEnd();
    }
    {
        fv = cw.visitField(ACC_PUBLIC, "object", descrCore, null, null);
        fv.visitEnd();
    }
    {
        fv = cw.visitField(ACC_PUBLIC, "map", Type.getDescriptor(Map.class), "Ljava/util/Map<Ljava/lang/String;Ljava/lang/Object;>;", null);
        fv.visitEnd();
    }
    if (mixinInfo != null) {
        for (Class<?> mixinClass : mixinInfo.mixinClasses) {
            {
                fv = cw.visitField(ACC_PRIVATE, getMixinName(mixinClass), BuildUtils.getTypeDescriptor(mixinClass.getName()), null, null);
                fv.visitEnd();
            }
        }
    }
    {
        mv = cw.visitMethod(ACC_PUBLIC, "<init>", "(" + descrCore + Type.getDescriptor(Map.class) + Type.getDescriptor(BitSet.class) + Type.getDescriptor(BitSet.class) + Type.getDescriptor(boolean.class) + ")V", "(" + descrCore + "Ljava/util/Map<Ljava/lang/String;Ljava/lang/Object;>;" + Type.getDescriptor(BitSet.class) + Type.getDescriptor(BitSet.class) + Type.getDescriptor(boolean.class) + ")V", null);
        mv.visitCode();
        mv.visitVarInsn(ALOAD, 0);
        mv.visitMethodInsn(INVOKESPECIAL, Type.getInternalName(proxyBaseClass), "<init>", "()V", false);
        mv.visitVarInsn(ALOAD, 2);
        Label l0 = new Label();
        mv.visitJumpInsn(IFNONNULL, l0);
        mv.visitTypeInsn(NEW, Type.getInternalName(ExternalizableLinkedHashMap.class));
        mv.visitInsn(DUP);
        mv.visitMethodInsn(INVOKESPECIAL, Type.getInternalName(ExternalizableLinkedHashMap.class), "<init>", "()V", false);
        mv.visitVarInsn(ASTORE, 2);
        mv.visitLabel(l0);
        if (mixinInfo != null) {
            for (Class<?> mixinClass : mixinInfo.mixinClasses) {
                String mixin = getMixinName(mixinClass);
                try {
                    Class actualArg = getPossibleConstructor(mixinClass, trait.getDefinedClass());
                    mv.visitVarInsn(ALOAD, 0);
                    mv.visitTypeInsn(NEW, Type.getInternalName(mixinClass));
                    mv.visitInsn(DUP);
                    mv.visitVarInsn(ALOAD, 0);
                    mv.visitMethodInsn(INVOKESPECIAL, Type.getInternalName(mixinClass), "<init>", "(" + Type.getDescriptor(actualArg) + ")V", false);
                    mv.visitFieldInsn(PUTFIELD, internalProxy, mixin, Type.getDescriptor(mixinClass));
                } catch (NoSuchMethodException nsme) {
                    mv.visitVarInsn(ALOAD, 0);
                    mv.visitTypeInsn(NEW, Type.getInternalName(mixinClass));
                    mv.visitInsn(DUP);
                    mv.visitMethodInsn(INVOKESPECIAL, Type.getInternalName(mixinClass), "<init>", "()V", false);
                    mv.visitFieldInsn(PUTFIELD, internalProxy, mixin, Type.getDescriptor(mixinClass));
                }
            }
        }
        mv.visitVarInsn(ALOAD, 0);
        mv.visitVarInsn(ALOAD, 1);
        mv.visitFieldInsn(PUTFIELD, internalProxy, "object", descrCore);
        mv.visitVarInsn(ALOAD, 0);
        mv.visitVarInsn(ALOAD, 2);
        mv.visitFieldInsn(PUTFIELD, internalProxy, "map", Type.getDescriptor(Map.class));
        mv.visitVarInsn(ALOAD, 0);
        mv.visitVarInsn(ALOAD, 3);
        mv.visitMethodInsn(INVOKEVIRTUAL, internalProxy, "setTypeCode", Type.getMethodDescriptor(Type.VOID_TYPE, Type.getType(BitSet.class)), false);
        mv.visitVarInsn(ALOAD, 0);
        mv.visitTypeInsn(NEW, internalWrapper);
        mv.visitInsn(DUP);
        mv.visitVarInsn(ALOAD, 1);
        mv.visitVarInsn(ALOAD, 2);
        mv.visitMethodInsn(INVOKESPECIAL, internalWrapper, "<init>", "(" + descrCore + Type.getDescriptor(Map.class) + ")V", false);
        mv.visitFieldInsn(PUTFIELD, internalProxy, "fields", Type.getDescriptor(Map.class));
        mv.visitVarInsn(ALOAD, 1);
        mv.visitMethodInsn(INVOKEVIRTUAL, internalCore, "_getDynamicProperties", "()" + Type.getDescriptor(Map.class), false);
        Label l1 = new Label();
        mv.visitJumpInsn(IFNONNULL, l1);
        mv.visitVarInsn(ALOAD, 1);
        mv.visitVarInsn(ALOAD, 2);
        mv.visitMethodInsn(INVOKEVIRTUAL, internalCore, "_setDynamicProperties", "(" + Type.getDescriptor(Map.class) + ")V", false);
        mv.visitLabel(l1);
        mv.visitVarInsn(ALOAD, 1);
        mv.visitMethodInsn(INVOKEVIRTUAL, internalCore, "_getTraitMap", "()" + Type.getDescriptor(Map.class), false);
        Label l2 = new Label();
        mv.visitJumpInsn(IFNONNULL, l2);
        mv.visitVarInsn(ALOAD, 1);
        mv.visitTypeInsn(NEW, Type.getInternalName(TraitTypeMap.class));
        mv.visitInsn(DUP);
        mv.visitTypeInsn(NEW, Type.getInternalName(ExternalizableLinkedHashMap.class));
        mv.visitInsn(DUP);
        mv.visitMethodInsn(INVOKESPECIAL, Type.getInternalName(ExternalizableLinkedHashMap.class), "<init>", "()V", false);
        mv.visitMethodInsn(INVOKESPECIAL, Type.getInternalName(TraitTypeMap.class), "<init>", "(" + Type.getDescriptor(Map.class) + ")V", false);
        mv.visitMethodInsn(INVOKEVIRTUAL, internalCore, "_setTraitMap", "(" + Type.getDescriptor(Map.class) + ")V", false);
        mv.visitLabel(l2);
        // core._setBottomTypeCode()
        mv.visitVarInsn(ALOAD, 1);
        mv.visitVarInsn(ALOAD, 4);
        mv.visitMethodInsn(INVOKEVIRTUAL, internalCore, "_setBottomTypeCode", Type.getMethodDescriptor(Type.VOID_TYPE, Type.getType(BitSet.class)), false);
        // core.addTrait
        mv.visitVarInsn(ALOAD, 1);
        mv.visitLdcInsn(trait.getName().endsWith(TraitFactory.SUFFIX) ? trait.getName().replace(TraitFactory.SUFFIX, "") : trait.getName());
        mv.visitVarInsn(ALOAD, 0);
        mv.visitMethodInsn(INVOKEVIRTUAL, internalCore, "addTrait", Type.getMethodDescriptor(Type.VOID_TYPE, Type.getType(String.class), Type.getType(Thing.class)), false);
        mv.visitVarInsn(ALOAD, 0);
        mv.visitVarInsn(ILOAD, 5);
        mv.visitMethodInsn(INVOKESPECIAL, internalProxy, "synchFields", Type.getMethodDescriptor(Type.VOID_TYPE, Type.BOOLEAN_TYPE), false);
        mv.visitInsn(RETURN);
        // mv.visitMaxs( 5, 3 );
        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, internalProxy, "getObject", "()" + Type.getDescriptor(TraitableBean.class), false);
        mv.visitMethodInsn(INVOKEINTERFACE, Type.getInternalName(ObjectOutput.class), "writeObject", "(" + Type.getDescriptor(Object.class) + ")V", true);
        mv.visitVarInsn(ALOAD, 1);
        mv.visitVarInsn(ALOAD, 0);
        mv.visitFieldInsn(GETFIELD, internalProxy, "map", Type.getDescriptor(Map.class));
        mv.visitMethodInsn(INVOKEINTERFACE, Type.getInternalName(ObjectOutput.class), "writeObject", "(" + Type.getDescriptor(Object.class) + ")V", true);
        mv.visitVarInsn(ALOAD, 0);
        mv.visitVarInsn(ALOAD, 1);
        mv.visitMethodInsn(INVOKESPECIAL, Type.getInternalName(proxyBaseClass), "writeExternal", "(" + Type.getDescriptor(ObjectOutput.class) + ")V", false);
        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), true);
        mv.visitTypeInsn(CHECKCAST, internalCore);
        mv.visitFieldInsn(PUTFIELD, internalProxy, "object", descrCore);
        mv.visitVarInsn(ALOAD, 0);
        mv.visitVarInsn(ALOAD, 1);
        mv.visitMethodInsn(INVOKEINTERFACE, Type.getInternalName(ObjectInput.class), "readObject", "()" + Type.getDescriptor(Object.class), true);
        mv.visitTypeInsn(CHECKCAST, Type.getInternalName(Map.class));
        mv.visitFieldInsn(PUTFIELD, internalProxy, "map", Type.getDescriptor(Map.class));
        mv.visitVarInsn(ALOAD, 0);
        mv.visitVarInsn(ALOAD, 1);
        mv.visitMethodInsn(INVOKESPECIAL, Type.getInternalName(proxyBaseClass), "readExternal", "(" + Type.getDescriptor(ObjectInput.class) + ")V", false);
        mv.visitInsn(RETURN);
        // mv.visitMaxs( 3, 2 );
        mv.visitMaxs(0, 0);
        mv.visitEnd();
    }
    helpBuildClass(core, cw, internalProxy, descrCore, mask);
    buildFields(core, mask, masterName, mixinInfo, cw);
    buildKeys(core, masterName, cw);
    buildMixinMethods(masterName, mixinInfo, cw);
    buildCommonMethods(cw, masterName);
    buildExtendedMethods(cw, trait, core);
    buildShadowMethods(cw, trait, core);
    cw.visitEnd();
    return cw.toByteArray();
}

Example 25 with FieldVisitor

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

the class DefaultBeanClassBuilder method buildFieldAnnotations.

protected void buildFieldAnnotations(FieldDefinition fieldDef, FieldVisitor fv) {
    if (fieldDef.getAnnotations() != null) {
        for (AnnotationDefinition ad : fieldDef.getAnnotations()) {
            AnnotationVisitor av = fv.visitAnnotation("L" + BuildUtils.getInternalType(ad.getName()) + ";", true);
            addAnnotationAttribute(ad, av);
            av.visitEnd();
        }
    }
}