Examples with Label com.alibaba.fastjson.asm.Label used on opensource projects

Example 11 with Label

use of com.alibaba.fastjson.asm.Label in project fastjson by alibaba.

the class ASMSerializerFactory method _notWriteDefault.

private void _notWriteDefault(MethodVisitor mw, FieldInfo property, Context context, Label _end) {
    if (context.writeDirect) {
        return;
    }
    Label elseLabel = new Label();
    mw.visitVarInsn(ILOAD, context.var("notWriteDefaultValue"));
    mw.visitJumpInsn(IFEQ, elseLabel);
    Class<?> propertyClass = property.fieldClass;
    if (propertyClass == boolean.class) {
        mw.visitVarInsn(ILOAD, context.var("boolean"));
        mw.visitJumpInsn(IFEQ, _end);
    } else if (propertyClass == byte.class) {
        mw.visitVarInsn(ILOAD, context.var("byte"));
        mw.visitJumpInsn(IFEQ, _end);
    } else if (propertyClass == short.class) {
        mw.visitVarInsn(ILOAD, context.var("short"));
        mw.visitJumpInsn(IFEQ, _end);
    } else if (propertyClass == int.class) {
        mw.visitVarInsn(ILOAD, context.var("int"));
        mw.visitJumpInsn(IFEQ, _end);
    } else if (propertyClass == long.class) {
        mw.visitVarInsn(LLOAD, context.var("long"));
        mw.visitInsn(LCONST_0);
        mw.visitInsn(LCMP);
        mw.visitJumpInsn(IFEQ, _end);
    } else if (propertyClass == float.class) {
        mw.visitVarInsn(FLOAD, context.var("float"));
        mw.visitInsn(FCONST_0);
        mw.visitInsn(FCMPL);
        mw.visitJumpInsn(IFEQ, _end);
    } else if (propertyClass == double.class) {
        mw.visitVarInsn(DLOAD, context.var("double"));
        mw.visitInsn(DCONST_0);
        mw.visitInsn(DCMPL);
        mw.visitJumpInsn(IFEQ, _end);
    }
    mw.visitLabel(elseLabel);
}

Example 12 with Label

use of com.alibaba.fastjson.asm.Label in project fastjson by alibaba.

the class ASMSerializerFactory method _long.

private void _long(Class<?> clazz, MethodVisitor mw, FieldInfo property, Context context) {
    Label end_ = new Label();
    _nameApply(mw, property, context, end_);
    _get(mw, context, property);
    mw.visitVarInsn(LSTORE, context.var("long", 2));
    _filters(mw, property, context, end_);
    mw.visitVarInsn(ALOAD, context.var("out"));
    mw.visitVarInsn(ILOAD, context.var("seperator"));
    mw.visitVarInsn(ALOAD, Context.fieldName);
    mw.visitVarInsn(LLOAD, context.var("long", 2));
    mw.visitMethodInsn(INVOKEVIRTUAL, SerializeWriter, "writeFieldValue", "(CLjava/lang/String;J)V");
    _seperator(mw, context);
    mw.visitLabel(end_);
}

Example 13 with Label

use of com.alibaba.fastjson.asm.Label in project fastjson by alibaba.

the class ASMSerializerFactory method _if_write_null.

private void _if_write_null(MethodVisitor mw, FieldInfo fieldInfo, Context context) {
    Class<?> propertyClass = fieldInfo.fieldClass;
    Label _if = new Label();
    Label _else = new Label();
    Label _write_null = new Label();
    Label _end_if = new Label();
    mw.visitLabel(_if);
    JSONField annotation = fieldInfo.getAnnotation();
    int features = 0;
    if (annotation != null) {
        features = SerializerFeature.of(annotation.serialzeFeatures());
        ;
    }
    if ((features & SerializerFeature.WRITE_MAP_NULL_FEATURES) == 0) {
        mw.visitVarInsn(ALOAD, context.var("out"));
        mw.visitLdcInsn(SerializerFeature.WRITE_MAP_NULL_FEATURES);
        mw.visitMethodInsn(INVOKEVIRTUAL, SerializeWriter, "isEnabled", "(I)Z");
        mw.visitJumpInsn(IFEQ, _else);
    }
    mw.visitLabel(_write_null);
    mw.visitVarInsn(ALOAD, context.var("out"));
    mw.visitVarInsn(ILOAD, context.var("seperator"));
    mw.visitMethodInsn(INVOKEVIRTUAL, SerializeWriter, "write", "(I)V");
    _writeFieldName(mw, context);
    mw.visitVarInsn(ALOAD, context.var("out"));
    mw.visitLdcInsn(features);
    if (propertyClass == String.class || propertyClass == Character.class) {
        mw.visitLdcInsn(SerializerFeature.WriteNullStringAsEmpty.mask);
    } else if (Number.class.isAssignableFrom(propertyClass)) {
        mw.visitLdcInsn(SerializerFeature.WriteNullNumberAsZero.mask);
    } else if (propertyClass == Boolean.class) {
        mw.visitLdcInsn(SerializerFeature.WriteNullBooleanAsFalse.mask);
    } else if (Collection.class.isAssignableFrom(propertyClass) || propertyClass.isArray()) {
        mw.visitLdcInsn(SerializerFeature.WriteNullListAsEmpty.mask);
    } else {
        mw.visitLdcInsn(0);
    }
    mw.visitMethodInsn(INVOKEVIRTUAL, SerializeWriter, "writeNull", "(II)V");
    // seperator = ',';
    _seperator(mw, context);
    mw.visitJumpInsn(GOTO, _end_if);
    mw.visitLabel(_else);
    mw.visitLabel(_end_if);
}

Example 14 with Label

use of com.alibaba.fastjson.asm.Label in project fastjson by alibaba.

the class ASMSerializerFactory method _list.

private void _list(Class<?> clazz, MethodVisitor mw, FieldInfo fieldInfo, Context context) {
    Type propertyType = fieldInfo.fieldType;
    Type elementType = TypeUtils.getCollectionItemType(propertyType);
    Class<?> elementClass = null;
    if (elementType instanceof Class<?>) {
        elementClass = (Class<?>) elementType;
    }
    if (//
    elementClass == Object.class || elementClass == Serializable.class) {
        elementClass = null;
    }
    Label end_ = new Label(), else_ = new Label(), endIf_ = new Label();
    _nameApply(mw, fieldInfo, context, end_);
    _get(mw, context, fieldInfo);
    // cast
    mw.visitTypeInsn(CHECKCAST, "java/util/List");
    mw.visitVarInsn(ASTORE, context.var("list"));
    _filters(mw, fieldInfo, context, end_);
    mw.visitVarInsn(ALOAD, context.var("list"));
    mw.visitJumpInsn(IFNONNULL, else_);
    _if_write_null(mw, fieldInfo, context);
    mw.visitJumpInsn(GOTO, endIf_);
    // else {
    mw.visitLabel(else_);
    mw.visitVarInsn(ALOAD, context.var("out"));
    mw.visitVarInsn(ILOAD, context.var("seperator"));
    mw.visitMethodInsn(INVOKEVIRTUAL, SerializeWriter, "write", "(I)V");
    _writeFieldName(mw, context);
    //
    mw.visitVarInsn(ALOAD, context.var("list"));
    mw.visitMethodInsn(INVOKEINTERFACE, "java/util/List", "size", "()I");
    mw.visitVarInsn(ISTORE, context.var("size"));
    Label _else_3 = new Label();
    Label _end_if_3 = new Label();
    mw.visitVarInsn(ILOAD, context.var("size"));
    mw.visitInsn(ICONST_0);
    mw.visitJumpInsn(IF_ICMPNE, _else_3);
    mw.visitVarInsn(ALOAD, context.var("out"));
    mw.visitLdcInsn("[]");
    mw.visitMethodInsn(INVOKEVIRTUAL, SerializeWriter, "write", "(Ljava/lang/String;)V");
    mw.visitJumpInsn(GOTO, _end_if_3);
    mw.visitLabel(_else_3);
    if (!context.nonContext) {
        mw.visitVarInsn(ALOAD, Context.serializer);
        mw.visitVarInsn(ALOAD, context.var("list"));
        mw.visitVarInsn(ALOAD, Context.fieldName);
        mw.visitMethodInsn(INVOKEVIRTUAL, JSONSerializer, "setContext", "(Ljava/lang/Object;Ljava/lang/Object;)V");
    }
    if (//
    elementType == String.class && context.writeDirect) {
        mw.visitVarInsn(ALOAD, context.var("out"));
        mw.visitVarInsn(ALOAD, context.var("list"));
        mw.visitMethodInsn(INVOKEVIRTUAL, SerializeWriter, "write", "(Ljava/util/List;)V");
    } else {
        mw.visitVarInsn(ALOAD, context.var("out"));
        mw.visitVarInsn(BIPUSH, '[');
        mw.visitMethodInsn(INVOKEVIRTUAL, SerializeWriter, "write", "(I)V");
        Label for_ = new Label(), forFirst_ = new Label(), forEnd_ = new Label();
        mw.visitInsn(ICONST_0);
        mw.visitVarInsn(ISTORE, context.var("i"));
        // for (; i < list.size() -1; ++i) {
        mw.visitLabel(for_);
        mw.visitVarInsn(ILOAD, context.var("i"));
        mw.visitVarInsn(ILOAD, context.var("size"));
        // i < list.size - 1
        mw.visitJumpInsn(IF_ICMPGE, forEnd_);
        mw.visitVarInsn(ILOAD, context.var("i"));
        // i < list.size - 1
        mw.visitJumpInsn(IFEQ, forFirst_);
        mw.visitVarInsn(ALOAD, context.var("out"));
        mw.visitVarInsn(BIPUSH, ',');
        mw.visitMethodInsn(INVOKEVIRTUAL, SerializeWriter, "write", "(I)V");
        mw.visitLabel(forFirst_);
        mw.visitVarInsn(ALOAD, context.var("list"));
        mw.visitVarInsn(ILOAD, context.var("i"));
        mw.visitMethodInsn(INVOKEINTERFACE, "java/util/List", "get", "(I)Ljava/lang/Object;");
        mw.visitVarInsn(ASTORE, context.var("list_item"));
        Label forItemNullEnd_ = new Label(), forItemNullElse_ = new Label();
        mw.visitVarInsn(ALOAD, context.var("list_item"));
        mw.visitJumpInsn(IFNONNULL, forItemNullElse_);
        mw.visitVarInsn(ALOAD, context.var("out"));
        mw.visitMethodInsn(INVOKEVIRTUAL, SerializeWriter, "writeNull", "()V");
        mw.visitJumpInsn(GOTO, forItemNullEnd_);
        mw.visitLabel(forItemNullElse_);
        Label forItemClassIfEnd_ = new Label(), forItemClassIfElse_ = new Label();
        if (elementClass != null && Modifier.isPublic(elementClass.getModifiers())) {
            mw.visitVarInsn(ALOAD, context.var("list_item"));
            mw.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Object", "getClass", "()Ljava/lang/Class;");
            mw.visitLdcInsn(com.alibaba.fastjson.asm.Type.getType(desc(elementClass)));
            mw.visitJumpInsn(IF_ACMPNE, forItemClassIfElse_);
            _getListFieldItemSer(context, mw, fieldInfo, elementClass);
            // mw.visitInsn(DUP);
            mw.visitVarInsn(ASTORE, context.var("list_item_desc"));
            Label instanceOfElse_ = new Label(), instanceOfEnd_ = new Label();
            if (context.writeDirect) {
                String writeMethodName = //
                context.nonContext && context.writeDirect ? //
                "writeDirectNonContext" : "write";
                mw.visitVarInsn(ALOAD, context.var("list_item_desc"));
                mw.visitTypeInsn(INSTANCEOF, JavaBeanSerializer);
                mw.visitJumpInsn(IFEQ, instanceOfElse_);
                mw.visitVarInsn(ALOAD, context.var("list_item_desc"));
                // cast
                mw.visitTypeInsn(CHECKCAST, JavaBeanSerializer);
                mw.visitVarInsn(ALOAD, Context.serializer);
                // object
                mw.visitVarInsn(ALOAD, context.var("list_item"));
                if (context.nonContext) {
                    // fieldName
                    mw.visitInsn(ACONST_NULL);
                } else {
                    mw.visitVarInsn(ILOAD, context.var("i"));
                    mw.visitMethodInsn(INVOKESTATIC, "java/lang/Integer", "valueOf", "(I)Ljava/lang/Integer;");
                }
                // fieldType
                mw.visitLdcInsn(com.alibaba.fastjson.asm.Type.getType(desc(elementClass)));
                // features
                mw.visitLdcInsn(fieldInfo.serialzeFeatures);
                //
                mw.visitMethodInsn(//
                INVOKEVIRTUAL, //
                JavaBeanSerializer, //
                writeMethodName, "(L" + JSONSerializer + ";Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/reflect/Type;I)V");
                mw.visitJumpInsn(GOTO, instanceOfEnd_);
                mw.visitLabel(instanceOfElse_);
            }
            mw.visitVarInsn(ALOAD, context.var("list_item_desc"));
            mw.visitVarInsn(ALOAD, Context.serializer);
            // object
            mw.visitVarInsn(ALOAD, context.var("list_item"));
            if (context.nonContext) {
                // fieldName
                mw.visitInsn(ACONST_NULL);
            } else {
                mw.visitVarInsn(ILOAD, context.var("i"));
                mw.visitMethodInsn(INVOKESTATIC, "java/lang/Integer", "valueOf", "(I)Ljava/lang/Integer;");
            }
            // fieldType
            mw.visitLdcInsn(com.alibaba.fastjson.asm.Type.getType(desc(elementClass)));
            // features
            mw.visitLdcInsn(fieldInfo.serialzeFeatures);
            //
            mw.visitMethodInsn(//
            INVOKEINTERFACE, //
            ObjectSerializer, //
            "write", "(L" + JSONSerializer + ";Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/reflect/Type;I)V");
            mw.visitLabel(instanceOfEnd_);
            mw.visitJumpInsn(GOTO, forItemClassIfEnd_);
        }
        mw.visitLabel(forItemClassIfElse_);
        mw.visitVarInsn(ALOAD, Context.serializer);
        mw.visitVarInsn(ALOAD, context.var("list_item"));
        if (context.nonContext) {
            mw.visitInsn(ACONST_NULL);
        } else {
            mw.visitVarInsn(ILOAD, context.var("i"));
            mw.visitMethodInsn(INVOKESTATIC, "java/lang/Integer", "valueOf", "(I)Ljava/lang/Integer;");
        }
        if (elementClass != null && Modifier.isPublic(elementClass.getModifiers())) {
            mw.visitLdcInsn(com.alibaba.fastjson.asm.Type.getType(desc((Class<?>) elementType)));
            mw.visitLdcInsn(fieldInfo.serialzeFeatures);
            mw.visitMethodInsn(INVOKEVIRTUAL, JSONSerializer, "writeWithFieldName", "(Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/reflect/Type;I)V");
        } else {
            mw.visitMethodInsn(INVOKEVIRTUAL, JSONSerializer, "writeWithFieldName", "(Ljava/lang/Object;Ljava/lang/Object;)V");
        }
        mw.visitLabel(forItemClassIfEnd_);
        mw.visitLabel(forItemNullEnd_);
        mw.visitIincInsn(context.var("i"), 1);
        mw.visitJumpInsn(GOTO, for_);
        mw.visitLabel(forEnd_);
        mw.visitVarInsn(ALOAD, context.var("out"));
        mw.visitVarInsn(BIPUSH, ']');
        mw.visitMethodInsn(INVOKEVIRTUAL, SerializeWriter, "write", "(I)V");
    }
    {
        mw.visitVarInsn(ALOAD, Context.serializer);
        mw.visitMethodInsn(INVOKEVIRTUAL, JSONSerializer, "popContext", "()V");
    }
    mw.visitLabel(_end_if_3);
    _seperator(mw, context);
    mw.visitLabel(endIf_);
    mw.visitLabel(end_);
}

Example 15 with Label

use of com.alibaba.fastjson.asm.Label in project fastjson by alibaba.

the class ASMSerializerFactory method _double.

private void _double(Class<?> clazz, MethodVisitor mw, FieldInfo property, Context context) {
    Label end_ = new Label();
    _nameApply(mw, property, context, end_);
    _get(mw, context, property);
    mw.visitVarInsn(DSTORE, context.var("double", 2));
    _filters(mw, property, context, end_);
    mw.visitVarInsn(ALOAD, context.var("out"));
    mw.visitVarInsn(ILOAD, context.var("seperator"));
    mw.visitVarInsn(ALOAD, Context.fieldName);
    mw.visitVarInsn(DLOAD, context.var("double", 2));
    mw.visitMethodInsn(INVOKEVIRTUAL, SerializeWriter, "writeFieldValue", "(CLjava/lang/String;D)V");
    _seperator(mw, context);
    mw.visitLabel(end_);
}