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

Example 1 with Label

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

the class ASMSerializerFactory method _int.

private void _int(Class<?> clazz, MethodVisitor mw, FieldInfo property, Context context, int var, char type) {
    Label end_ = new Label();
    _nameApply(mw, property, context, end_);
    _get(mw, context, property);
    mw.visitVarInsn(ISTORE, var);
    _filters(mw, property, context, end_);
    mw.visitVarInsn(ALOAD, context.var("out"));
    mw.visitVarInsn(ILOAD, context.var("seperator"));
    mw.visitVarInsn(ALOAD, Context.fieldName);
    mw.visitVarInsn(ILOAD, var);
    mw.visitMethodInsn(INVOKEVIRTUAL, SerializeWriter, "writeFieldValue", "(CLjava/lang/String;" + type + ")V");
    _seperator(mw, context);
    mw.visitLabel(end_);
}

Example 2 with Label

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

the class ASMSerializerFactory method _writeObject.

private void _writeObject(MethodVisitor mw, FieldInfo fieldInfo, Context context, Label _end) {
    String format = fieldInfo.getFormat();
    Class<?> fieldClass = fieldInfo.fieldClass;
    Label notNull_ = new Label();
    // if (obj == null)
    if (context.writeDirect) {
        mw.visitVarInsn(ALOAD, context.var("object"));
    } else {
        mw.visitVarInsn(ALOAD, Context.processValue);
    }
    mw.visitInsn(DUP);
    mw.visitVarInsn(ASTORE, context.var("object"));
    mw.visitJumpInsn(IFNONNULL, notNull_);
    _if_write_null(mw, fieldInfo, context);
    mw.visitJumpInsn(GOTO, _end);
    mw.visitLabel(notNull_);
    mw.visitVarInsn(ALOAD, context.var("out"));
    mw.visitVarInsn(ILOAD, context.var("seperator"));
    mw.visitMethodInsn(INVOKEVIRTUAL, SerializeWriter, "write", "(I)V");
    _writeFieldName(mw, context);
    Label classIfEnd_ = new Label(), classIfElse_ = new Label();
    if (//
    Modifier.isPublic(fieldClass.getModifiers()) && //
    !ParserConfig.isPrimitive2(fieldClass)) {
        mw.visitVarInsn(ALOAD, context.var("object"));
        mw.visitMethodInsn(INVOKEVIRTUAL, "java/lang/Object", "getClass", "()Ljava/lang/Class;");
        mw.visitLdcInsn(com.alibaba.fastjson.asm.Type.getType(desc(fieldClass)));
        mw.visitJumpInsn(IF_ACMPNE, classIfElse_);
        _getFieldSer(context, mw, fieldInfo);
        mw.visitVarInsn(ASTORE, context.var("fied_ser"));
        Label instanceOfElse_ = new Label(), instanceOfEnd_ = new Label();
        mw.visitVarInsn(ALOAD, context.var("fied_ser"));
        mw.visitTypeInsn(INSTANCEOF, JavaBeanSerializer);
        mw.visitJumpInsn(IFEQ, instanceOfElse_);
        boolean fieldBeanToArray = (fieldInfo.serialzeFeatures & SerializerFeature.BeanToArray.mask) != 0;
        String writeMethodName;
        if (context.nonContext && context.writeDirect) {
            writeMethodName = fieldBeanToArray ? "writeAsArrayNonContext" : "writeDirectNonContext";
        } else {
            writeMethodName = fieldBeanToArray ? "writeAsArray" : "write";
        }
        mw.visitVarInsn(ALOAD, context.var("fied_ser"));
        // cast
        mw.visitTypeInsn(CHECKCAST, JavaBeanSerializer);
        mw.visitVarInsn(ALOAD, Context.serializer);
        mw.visitVarInsn(ALOAD, context.var("object"));
        mw.visitVarInsn(ALOAD, Context.fieldName);
        mw.visitVarInsn(ALOAD, 0);
        mw.visitFieldInsn(GETFIELD, context.className, fieldInfo.name + "_asm_fieldType", "Ljava/lang/reflect/Type;");
        // 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("fied_ser"));
        mw.visitVarInsn(ALOAD, Context.serializer);
        mw.visitVarInsn(ALOAD, context.var("object"));
        mw.visitVarInsn(ALOAD, Context.fieldName);
        mw.visitVarInsn(ALOAD, 0);
        mw.visitFieldInsn(GETFIELD, context.className, fieldInfo.name + "_asm_fieldType", "Ljava/lang/reflect/Type;");
        // 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, classIfEnd_);
    }
    mw.visitLabel(classIfElse_);
    mw.visitVarInsn(ALOAD, Context.serializer);
    if (context.writeDirect) {
        mw.visitVarInsn(ALOAD, context.var("object"));
    } else {
        mw.visitVarInsn(ALOAD, Context.processValue);
    }
    if (format != null) {
        mw.visitLdcInsn(format);
        mw.visitMethodInsn(INVOKEVIRTUAL, JSONSerializer, "writeWithFormat", "(Ljava/lang/Object;Ljava/lang/String;)V");
    } else {
        mw.visitVarInsn(ALOAD, Context.fieldName);
        if (//
        fieldInfo.fieldType instanceof Class<?> && ((Class<?>) fieldInfo.fieldType).isPrimitive()) {
            mw.visitMethodInsn(INVOKEVIRTUAL, JSONSerializer, "writeWithFieldName", "(Ljava/lang/Object;Ljava/lang/Object;)V");
        } else {
            if (fieldInfo.fieldClass == String.class) {
                mw.visitLdcInsn(com.alibaba.fastjson.asm.Type.getType(desc(String.class)));
            } else {
                mw.visitVarInsn(ALOAD, 0);
                mw.visitFieldInsn(GETFIELD, context.className, fieldInfo.name + "_asm_fieldType", "Ljava/lang/reflect/Type;");
            }
            mw.visitLdcInsn(fieldInfo.serialzeFeatures);
            mw.visitMethodInsn(INVOKEVIRTUAL, JSONSerializer, "writeWithFieldName", "(Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/reflect/Type;I)V");
        }
    }
    mw.visitLabel(classIfEnd_);
    _seperator(mw, context);
}

Example 3 with Label

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

the class ASMSerializerFactory method _getFieldSer.

private void _getFieldSer(Context context, MethodVisitor mw, FieldInfo fieldInfo) {
    Label notNull_ = new Label();
    mw.visitVarInsn(ALOAD, 0);
    mw.visitFieldInsn(GETFIELD, context.className, fieldInfo.name + "_asm_ser_", ObjectSerializer_desc);
    mw.visitJumpInsn(IFNONNULL, notNull_);
    // this
    mw.visitVarInsn(ALOAD, 0);
    mw.visitVarInsn(ALOAD, Context.serializer);
    mw.visitLdcInsn(com.alibaba.fastjson.asm.Type.getType(desc(fieldInfo.fieldClass)));
    mw.visitMethodInsn(INVOKEVIRTUAL, JSONSerializer, "getObjectWriter", "(Ljava/lang/Class;)" + ObjectSerializer_desc);
    mw.visitFieldInsn(PUTFIELD, context.className, fieldInfo.name + "_asm_ser_", ObjectSerializer_desc);
    mw.visitLabel(notNull_);
    mw.visitVarInsn(ALOAD, 0);
    mw.visitFieldInsn(GETFIELD, context.className, fieldInfo.name + "_asm_ser_", ObjectSerializer_desc);
}

Example 4 with Label

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

the class ASMSerializerFactory method _processKey.

private void _processKey(MethodVisitor mw, FieldInfo property, Context context) {
    Label _else_processKey = new Label();
    mw.visitVarInsn(ILOAD, context.var("hasNameFilters"));
    mw.visitJumpInsn(IFEQ, _else_processKey);
    Class<?> propertyClass = property.fieldClass;
    mw.visitVarInsn(ALOAD, 0);
    mw.visitVarInsn(ALOAD, Context.serializer);
    mw.visitVarInsn(ALOAD, Context.obj);
    mw.visitVarInsn(ALOAD, Context.fieldName);
    if (propertyClass == byte.class) {
        mw.visitVarInsn(ILOAD, context.var("byte"));
        mw.visitMethodInsn(INVOKESTATIC, "java/lang/Byte", "valueOf", "(B)Ljava/lang/Byte;");
    } else if (propertyClass == short.class) {
        mw.visitVarInsn(ILOAD, context.var("short"));
        mw.visitMethodInsn(INVOKESTATIC, "java/lang/Short", "valueOf", "(S)Ljava/lang/Short;");
    } else if (propertyClass == int.class) {
        mw.visitVarInsn(ILOAD, context.var("int"));
        mw.visitMethodInsn(INVOKESTATIC, "java/lang/Integer", "valueOf", "(I)Ljava/lang/Integer;");
    } else if (propertyClass == char.class) {
        mw.visitVarInsn(ILOAD, context.var("char"));
        mw.visitMethodInsn(INVOKESTATIC, "java/lang/Character", "valueOf", "(C)Ljava/lang/Character;");
    } else if (propertyClass == long.class) {
        mw.visitVarInsn(LLOAD, context.var("long", 2));
        mw.visitMethodInsn(INVOKESTATIC, "java/lang/Long", "valueOf", "(J)Ljava/lang/Long;");
    } else if (propertyClass == float.class) {
        mw.visitVarInsn(FLOAD, context.var("float"));
        mw.visitMethodInsn(INVOKESTATIC, "java/lang/Float", "valueOf", "(F)Ljava/lang/Float;");
    } else if (propertyClass == double.class) {
        mw.visitVarInsn(DLOAD, context.var("double", 2));
        mw.visitMethodInsn(INVOKESTATIC, "java/lang/Double", "valueOf", "(D)Ljava/lang/Double;");
    } else if (propertyClass == boolean.class) {
        mw.visitVarInsn(ILOAD, context.var("boolean"));
        mw.visitMethodInsn(INVOKESTATIC, "java/lang/Boolean", "valueOf", "(Z)Ljava/lang/Boolean;");
    } else if (propertyClass == BigDecimal.class) {
        mw.visitVarInsn(ALOAD, context.var("decimal"));
    } else if (propertyClass == String.class) {
        mw.visitVarInsn(ALOAD, context.var("string"));
    } else if (propertyClass.isEnum()) {
        mw.visitVarInsn(ALOAD, context.var("enum"));
    } else if (List.class.isAssignableFrom(propertyClass)) {
        mw.visitVarInsn(ALOAD, context.var("list"));
    } else {
        mw.visitVarInsn(ALOAD, context.var("object"));
    }
    mw.visitMethodInsn(INVOKEVIRTUAL, JavaBeanSerializer, "processKey", "(L" + JSONSerializer + ";Ljava/lang/Object;Ljava/lang/String;Ljava/lang/Object;)Ljava/lang/String;");
    mw.visitVarInsn(ASTORE, Context.fieldName);
    mw.visitLabel(_else_processKey);
}

Example 5 with Label

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

the class ASMSerializerFactory method _decimal.

private void _decimal(Class<?> clazz, MethodVisitor mw, FieldInfo property, Context context) {
    Label end_ = new Label();
    _nameApply(mw, property, context, end_);
    _get(mw, context, property);
    mw.visitVarInsn(ASTORE, context.var("decimal"));
    _filters(mw, property, context, end_);
    Label if_ = new Label();
    Label else_ = new Label();
    Label endIf_ = new Label();
    mw.visitLabel(if_);
    // if (decimalValue == null) {
    mw.visitVarInsn(ALOAD, context.var("decimal"));
    mw.visitJumpInsn(IFNONNULL, else_);
    _if_write_null(mw, property, context);
    mw.visitJumpInsn(GOTO, endIf_);
    // else { out.writeFieldValue(seperator, fieldName, fieldValue)
    mw.visitLabel(else_);
    mw.visitVarInsn(ALOAD, context.var("out"));
    mw.visitVarInsn(ILOAD, context.var("seperator"));
    mw.visitVarInsn(ALOAD, Context.fieldName);
    mw.visitVarInsn(ALOAD, context.var("decimal"));
    mw.visitMethodInsn(INVOKEVIRTUAL, SerializeWriter, "writeFieldValue", "(CLjava/lang/String;Ljava/math/BigDecimal;)V");
    _seperator(mw, context);
    mw.visitJumpInsn(GOTO, endIf_);
    mw.visitLabel(endIf_);
    mw.visitLabel(end_);
}