Examples of com.alibaba.fastjson.asm.MethodVisitor.visitTypeInsn()

Class com.alibaba.fastjson.asm.MethodVisitor

Examples of com.alibaba.fastjson.asm.MethodVisitor.visitTypeInsn()

com.alibaba.fastjson.asm.MethodVisitor.visitTypeInsn()
Visits a type instruction. A type instruction is an instruction that takes the internal name of a class as parameter. @param opcode the opcode of the type instruction to be visited. This opcode is either NEW, ANEWARRAY, CHECKCASTor INSTANCEOF. @param type the operand of the instruction to be visited. This operand must be the internal name of an object orarray class (see {@link Type#getInternalName() getInternalName}).

                MethodVisitor mw = cw.visitMethod(ACC_PUBLIC, "setValue", "(" + getDesc(Object.class)
                                                                          + getDesc(Object.class) + ")V", null, null);
                mw.visitVarInsn(ALOAD, 1);
                mw.visitTypeInsn(CHECKCAST, getType(method.getDeclaringClass())); // cast
                mw.visitVarInsn(ALOAD, 2);
                mw.visitTypeInsn(CHECKCAST, getType(fieldClass)); // cast
                mw.visitMethodInsn(INVAKE_TYPE, getType(method.getDeclaringClass()), method.getName(),
                    ASMUtils.getDesc(method));


                mw.visitInsn(RETURN);
                mw.visitMaxs(3, 3);

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    private void _createInstance(ClassWriter cw, Context context) {
        MethodVisitor mw = cw.visitMethod(ACC_PUBLIC, "createInstance", "(" + getDesc(DefaultJSONParser.class)
                                                                        + getDesc(Type.class) + ")Ljava/lang/Object;",
                                          null, null);


        mw.visitTypeInsn(NEW, getType(context.getClazz()));
        mw.visitInsn(DUP);
        mw.visitMethodInsn(INVOKESPECIAL, getType(context.getClazz()), "<init>", "()V");


        mw.visitInsn(ARETURN);
        mw.visitMaxs(3, 3);

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                mw.visitLabel(_else);
            }


            mw.visitVarInsn(ALOAD, context.obj()); // obj
            mw.visitTypeInsn(CHECKCAST, getType(clazz)); // serializer
            mw.visitVarInsn(ASTORE, context.var("entity")); // obj
            generateWriteMethod(clazz, mw, getters, context);
            mw.visitInsn(RETURN);
            mw.visitMaxs(5, context.getVariantCount() + 1);
            mw.visitEnd();

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            mw.visitMethodInsn(INVOKEVIRTUAL, getType(JSONSerializer.class), "getWriter",
                               "()" + getDesc(SerializeWriter.class));
            mw.visitVarInsn(ASTORE, context.var("out"));


            mw.visitVarInsn(ALOAD, context.obj()); // obj
            mw.visitTypeInsn(CHECKCAST, getType(clazz)); // serializer
            mw.visitVarInsn(ASTORE, context.var("entity")); // obj


            generateWriteMethod(clazz, mw, sortedGetters, context);


            mw.visitInsn(RETURN);

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        if (context.getClazz().isInterface()) {
            mw.visitVarInsn(ALOAD, 0);
            mw.visitVarInsn(ALOAD, 1);
            mw.visitMethodInsn(INVOKESPECIAL, getType(ASMJavaBeanDeserializer.class), "createInstance",
                               "(" + getDesc(DefaultJSONParser.class) + ")Ljava/lang/Object;");
            mw.visitTypeInsn(CHECKCAST, getType(context.getClazz())); // cast
            mw.visitVarInsn(ASTORE, context.var("instance"));
        } else {
            if (defaultConstructor != null) {
                if (Modifier.isPublic(defaultConstructor.getModifiers())) {
                    mw.visitTypeInsn(NEW, getType(context.getClazz()));

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            mw.visitTypeInsn(CHECKCAST, getType(context.getClazz())); // cast
            mw.visitVarInsn(ASTORE, context.var("instance"));
        } else {
            if (defaultConstructor != null) {
                if (Modifier.isPublic(defaultConstructor.getModifiers())) {
                    mw.visitTypeInsn(NEW, getType(context.getClazz()));
                    mw.visitInsn(DUP);
                    mw.visitMethodInsn(INVOKESPECIAL, getType(context.getClazz()), "<init>", "()V");


                    mw.visitVarInsn(ASTORE, context.var("instance"));
                } else {

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                } else {
                    mw.visitVarInsn(ALOAD, 0);
                    mw.visitVarInsn(ALOAD, 1);
                    mw.visitMethodInsn(INVOKESPECIAL, getType(ASMJavaBeanDeserializer.class), "createInstance",
                                       "(" + getDesc(DefaultJSONParser.class) + ")Ljava/lang/Object;");
                    mw.visitTypeInsn(CHECKCAST, getType(context.getClazz())); // cast
                    mw.visitVarInsn(ASTORE, context.var("instance"));
                }
            } else {
                mw.visitInsn(ACONST_NULL);
                mw.visitTypeInsn(CHECKCAST, getType(context.getClazz())); // cast

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                    mw.visitTypeInsn(CHECKCAST, getType(context.getClazz())); // cast
                    mw.visitVarInsn(ASTORE, context.var("instance"));
                }
            } else {
                mw.visitInsn(ACONST_NULL);
                mw.visitTypeInsn(CHECKCAST, getType(context.getClazz())); // cast
                mw.visitVarInsn(ASTORE, context.var("instance"));
            }
        }


        {

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                                       "()Ljava/lang/String;");
                } else {
                    mw.visitInsn(ACONST_NULL);
                }


                mw.visitTypeInsn(CHECKCAST, getType(fieldClass)); // cast
                mw.visitVarInsn(ASTORE, context.var(fieldInfo.getName() + "_asm"));
            }
        }


        for (int i = 0; i < fieldListSize; ++i) {

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                mw.visitLabel(_else);
            }


            mw.visitVarInsn(ALOAD, context.obj()); // obj
            mw.visitTypeInsn(CHECKCAST, getType(clazz)); // serializer
            mw.visitVarInsn(ASTORE, context.var("entity")); // obj
            generateWriteMethod(clazz, mw, getters, context);
            mw.visitInsn(RETURN);
            mw.visitMaxs(5, context.getVariantCount() + 1);
            mw.visitEnd();

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