Package com.jd.glowworm.asm

Examples of com.jd.glowworm.asm.MethodVisitor


            }
        }

        Collections.sort(context.getFieldInfoList());

        MethodVisitor mw = cw.visitMethod(ACC_PUBLIC, "deserialze", "(" + getDesc(PBDeserializer.class)
                                                                    + getDesc(Type.class)
                                                                    + "Ljava/lang/Object;)Ljava/lang/Object;", null,
                                          null);
       
        //Label super_ = new Label();
        Label return_ = new Label();
        Label end_ = new Label();
       
        Constructor<?> defaultConstructor = context.getBeanInfo().getDefaultConstructor();

        // create instance
        if (context.getClazz().isInterface()) {
            mw.visitVarInsn(ALOAD, 0);
            mw.visitVarInsn(ALOAD, 1);
            mw.visitMethodInsn(INVOKESPECIAL, getType(ASMJavaBeanDeserializer.class), "createInstance",
                               "(" + getDesc(PBDeserializer.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()));
                    mw.visitInsn(DUP);
                    mw.visitMethodInsn(INVOKESPECIAL, getType(context.getClazz()), "<init>", "()V");

                    mw.visitVarInsn(ASTORE, context.var("instance"));
                } else {
                    mw.visitVarInsn(ALOAD, 0);
                    mw.visitVarInsn(ALOAD, 1);
                    mw.visitMethodInsn(INVOKESPECIAL, getType(ASMJavaBeanDeserializer.class), "createInstance",
                                       "(" + getDesc(PBDeserializer.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
                mw.visitVarInsn(ASTORE, context.var("instance"));
            }
        }
       
        {
            mw.visitVarInsn(ALOAD, 1); // parser
            mw.visitMethodInsn(INVOKEVIRTUAL, getType(PBDeserializer.class), "getContext",
                               "()Lcom/jd/glowworm/deserializer/ParseContext;");
            mw.visitVarInsn(ASTORE, context.var("context"));

            mw.visitVarInsn(ALOAD, 1); // parser
            mw.visitVarInsn(ALOAD, context.var("context"));
            mw.visitVarInsn(ALOAD, context.var("instance"));
            mw.visitVarInsn(ALOAD, 3); // fieldName
            mw.visitMethodInsn(INVOKEVIRTUAL,
                               getType(PBDeserializer.class),
                               "setContext",
                               "(Lcom/jd/glowworm/deserializer/ParseContext;Ljava/lang/Object;Ljava/lang/Object;)Lcom/jd/glowworm/deserializer/ParseContext;");
            mw.visitVarInsn(ASTORE, context.var("childContext"));
        }
       
        for (int i = 0, size = context.getFieldInfoList().size(); i < size; ++i) {
            FieldInfo fieldInfo = context.getFieldInfoList().get(i);
            Class<?> fieldClass = fieldInfo.getFieldClass();
            Type fieldType = fieldInfo.getFieldType();
           
            mw.visitVarInsn(ALOAD, 1);
            if (fieldClass == boolean.class) {
                mw.visitMethodInsn(INVOKEVIRTUAL, getType(PBDeserializer.class), "scanFieldBoolean", "()Z");
                mw.visitVarInsn(ISTORE, context.var(fieldInfo.getName() + "_asm"));

            } else if (fieldClass == byte.class) {
                mw.visitMethodInsn(INVOKEVIRTUAL, getType(PBDeserializer.class), "scanFieldInt", "()I");
                mw.visitVarInsn(ISTORE, context.var(fieldInfo.getName() + "_asm"));

            } else if (fieldClass == short.class) {
                mw.visitMethodInsn(INVOKEVIRTUAL, getType(PBDeserializer.class), "scanFieldInt", "()I");
                mw.visitVarInsn(ISTORE, context.var(fieldInfo.getName() + "_asm"));

            } else if (fieldClass == int.class) {
                mw.visitMethodInsn(INVOKEVIRTUAL, getType(PBDeserializer.class), "scanFieldInt", "()I");
                mw.visitVarInsn(ISTORE, context.var(fieldInfo.getName() + "_asm"));

            } else if (fieldClass == long.class) {
                mw.visitMethodInsn(INVOKEVIRTUAL, getType(PBDeserializer.class), "scanFieldlong", "()J");
                mw.visitVarInsn(LSTORE, context.var(fieldInfo.getName() + "_asm", 2));

            } else if (fieldClass == float.class) {
                mw.visitMethodInsn(INVOKEVIRTUAL, getType(PBDeserializer.class), "scanFieldFloat", "()F");
                mw.visitVarInsn(FSTORE, context.var(fieldInfo.getName() + "_asm"));

            } else if (fieldClass == double.class) {
                mw.visitMethodInsn(INVOKEVIRTUAL, getType(PBDeserializer.class), "scanFieldDouble", "()D");
                mw.visitVarInsn(DSTORE, context.var(fieldInfo.getName() + "_asm", 2));

            } else if (fieldClass == String.class) {
                mw.visitMethodInsn(INVOKEVIRTUAL, getType(PBDeserializer.class), "scanFieldString",
                                   "()Ljava/lang/String;");
                mw.visitVarInsn(ASTORE, context.var(fieldInfo.getName() + "_asm"));

            } else if (fieldClass == byte[].class) {
                mw.visitMethodInsn(INVOKEVIRTUAL, getType(PBDeserializer.class), "scanFieldByteArray", "()[B");
                mw.visitVarInsn(ASTORE, context.var(fieldInfo.getName() + "_asm"));
            } else if (fieldClass.isEnum()) {
                mw.visitInsn(ACONST_NULL);
                mw.visitTypeInsn(CHECKCAST, getType(fieldClass)); // cast
                mw.visitVarInsn(ASTORE, context.var(fieldInfo.getName() + "_asm"));
                               
                mw.visitMethodInsn(INVOKEVIRTUAL, getType(PBDeserializer.class), "scanFieldString",
                        "()Ljava/lang/String;");
                mw.visitMethodInsn(INVOKESTATIC, getType(fieldClass), "valueOf", "(Ljava/lang/String;)"
                                                                                 + getDesc(fieldClass));
                mw.visitVarInsn(ASTORE, context.var(fieldInfo.getName() + "_asm"));

            } else if (Collection.class.isAssignableFrom(fieldClass)) {

                Type actualTypeArgument = ((ParameterizedType) fieldType).getActualTypeArguments()[0];

                if (actualTypeArgument instanceof Class) {
                    Class<?> itemClass = (Class<?>) actualTypeArgument;

                    if (!Modifier.isPublic(itemClass.getModifiers())) {
                        throw new ASMException("can not create ASMParser");
                    }

                    /*if (itemClass == String.class) {
                        mw.visitLdcInsn(com.jd.glowworm.asm.Type.getType(getDesc(fieldClass))); // cast
                        mw.visitMethodInsn(INVOKEVIRTUAL, getType(PBDeserializer.class), "scanFieldStringList",
                                           "([Ljava/lang/Class;)" + getDesc(Collection.class));
                        mw.visitVarInsn(ASTORE, context.var(fieldInfo.getName() + "_asm"));
                    } else {*/
                        _deserialze_list_obj(context, mw, fieldInfo, fieldClass, itemClass);

                        /*if (i == size - 1) {
                            _deserialize_endCheck(context, mw, reset_);
                        }*/
                        continue;
                    //}
                } else {
                    throw new ASMException("can not create ASMParser");
                }

            } else {
                _deserialze_obj(context, mw, fieldInfo, fieldClass);

                /*if (i == size - 1) {
                    _deserialize_endCheck(context, mw, reset_);
                }*/

                continue;
            }
        }

        mw.visitLabel(end_);

        if (!context.getClazz().isInterface() && !Modifier.isAbstract(context.getClazz().getModifiers())) {
            if (defaultConstructor != null) {
                _batchSet(context, mw);
            } else {
                Constructor<?> creatorConstructor = context.getBeanInfo().getCreatorConstructor();
                if (creatorConstructor != null) {
                    mw.visitTypeInsn(NEW, getType(context.getClazz()));
                    mw.visitInsn(DUP);

                    _loadCreatorParameters(context, mw);

                    mw.visitMethodInsn(INVOKESPECIAL, getType(context.getClazz()), "<init>",
                                       getDesc(creatorConstructor));
                    mw.visitVarInsn(ASTORE, context.var("instance"));
                } else {
                    Method factoryMethod = context.getBeanInfo().getFactoryMethod();
                    if (factoryMethod != null) {
                        _loadCreatorParameters(context, mw);
                        mw.visitMethodInsn(INVOKESTATIC, getType(factoryMethod.getDeclaringClass()),
                                           factoryMethod.getName(), getDesc(factoryMethod));
                        mw.visitVarInsn(ASTORE, context.var("instance"));
                    } else {
                        throw new PBException("TODO");
                    }
                }
            }
        }

        mw.visitLabel(return_);
       
        _setContext(context, mw, true);
        mw.visitVarInsn(ALOAD, context.var("instance"));
        mw.visitInsn(ARETURN);
       
        /*mw.visitLabel(super_);
        mw.visitVarInsn(ALOAD, 0);
        mw.visitVarInsn(ALOAD, 1);
        mw.visitVarInsn(ALOAD, 2);
        mw.visitVarInsn(ALOAD, 3);
        mw.visitMethodInsn(INVOKESPECIAL, getType(ASMJavaBeanDeserializer.class), "deserialze",
                           "(" + getDesc(PBDeserializer.class) + getDesc(Type.class)
                                   + "Ljava/lang/Object;)Ljava/lang/Object;");
        mw.visitInsn(ARETURN);*/

        int maxStack = context.getVariantCount();
        Constructor<?> creatorConstructor = context.getBeanInfo().getCreatorConstructor();
        if (creatorConstructor != null) {
            int constructorTypeStack = 2;
            for (Class<?> type : creatorConstructor.getParameterTypes()) {
                if (type == long.class || type == double.class) {
                    constructorTypeStack += 2;
                } else {
                    constructorTypeStack++;
                }
            }
            if (maxStack < constructorTypeStack) {
                maxStack = constructorTypeStack;
            }
        } else {
            Method factoryMethod = context.getBeanInfo().getFactoryMethod();
            if (factoryMethod != null) {
                int paramStacks = 2;
                for (Class<?> type : factoryMethod.getParameterTypes()) {
                    if (type == long.class || type == double.class) {
                        paramStacks += 2;
                    } else {
                        paramStacks++;
                    }
                }
                if (maxStack < paramStacks) {
                    maxStack = paramStacks;
                }
            }
        }

        //System.out.println(maxStack+"#"+context.getVariantCount());
        mw.visitMaxs(maxStack, context.getVariantCount());
        mw.visitEnd();
    }
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        }

        cw.visit(V1_5, ACC_PUBLIC + ACC_SUPER, className, getType(superClass), null);

        {
            MethodVisitor mw = cw.visitMethod(ACC_PUBLIC, "<init>", "(" + getDesc(PBDeserializer.class)
                                                                    + getDesc(Class.class) + getDesc(FieldInfo.class)
                                                                    + ")V", null, null);
            mw.visitVarInsn(ALOAD, 0);
            mw.visitVarInsn(ALOAD, 1);
            mw.visitVarInsn(ALOAD, 2);
            mw.visitVarInsn(ALOAD, 3);
            mw.visitMethodInsn(INVOKESPECIAL, getType(superClass), "<init>", "(" + getDesc(PBDeserializer.class)
                                                                             + getDesc(Class.class)
                                                                             + getDesc(FieldInfo.class) + ")V");

            mw.visitInsn(RETURN);
            mw.visitMaxs(4, 6);
            mw.visitEnd();
        }

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

                mw.visitInsn(RETURN);
                mw.visitMaxs(3, 3);
                mw.visitEnd();
            } else if (fieldClass == long.class) {
                MethodVisitor mw = cw.visitMethod(ACC_PUBLIC, "setValue", "(" + getDesc(Object.class) + "J)V", null,
                                                  null);
                mw.visitVarInsn(ALOAD, 1);
                mw.visitTypeInsn(CHECKCAST, getType(method.getDeclaringClass())); // cast
                mw.visitVarInsn(LLOAD, 2);
                mw.visitMethodInsn(INVAKE_TYPE, getType(method.getDeclaringClass()), method.getName(), ASMUtils.getDesc(method));

                mw.visitInsn(RETURN);
                mw.visitMaxs(3, 4);
                mw.visitEnd();
            } else {
                // public void setValue(Object object, Object value)
                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);
                mw.visitEnd();
            }
        }

        byte[] code = cw.toByteArray();
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                                                getDesc(ObjectDeserializer.class));
                fw.visitEnd();
            }
        }

        MethodVisitor mw = cw.visitMethod(ACC_PUBLIC, "<init>", "(" + getDesc(PBDeserializer.class)
                                                                + getDesc(Class.class) + ")V", null, null);
        mw.visitVarInsn(ALOAD, 0);
        mw.visitVarInsn(ALOAD, 1);
        mw.visitVarInsn(ALOAD, 2);
        mw.visitMethodInsn(INVOKESPECIAL, getType(ASMJavaBeanDeserializer.class), "<init>",
                           "(" + getDesc(PBDeserializer.class) + getDesc(Class.class) + ")V");

        mw.visitVarInsn(ALOAD, 0);
        mw.visitFieldInsn(GETFIELD, getType(ASMJavaBeanDeserializer.class), "serializer",
                          getDesc(InnerJavaBeanDeserializer.class));
        mw.visitMethodInsn(INVOKEVIRTUAL, getType(JavaBeanDeserializer.class), "getFieldDeserializerMap",
                           "()" + getDesc(Map.class));
        mw.visitInsn(POP);

        mw.visitInsn(RETURN);
        mw.visitMaxs(4, 4);
        mw.visitEnd();
    }
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        mw.visitMaxs(4, 4);
        mw.visitEnd();
    }

    private void _createInstance(ClassWriter cw, Context context) {
        MethodVisitor mw = cw.visitMethod(ACC_PUBLIC, "createInstance", "(" + getDesc(PBDeserializer.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);
        mw.visitEnd();
    }
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            FieldVisitor fw = cw.visitField(ACC_PUBLIC, fieldInfo.getName() + "_asm_fieldType",
                                            "Ljava/lang/reflect/Type;");
            fw.visitEnd();
        }

        MethodVisitor mw = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
        mw.visitVarInsn(ALOAD, 0);
        mw.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V");

        // mw.visitFieldInsn(PUTFIELD, context.getClassName(), fieldInfo.getName() + "_asm_prefix__", "[C");
        mw.visitInsn(RETURN);
        mw.visitMaxs(4, 4);
        mw.visitEnd();

        {
            Context context = new Context(className);

            mw = cw.visitMethod(ACC_PUBLIC,
                                "write",
                                "(Lcom/jd/glowworm/serializer/PBSerializer;Ljava/lang/Object;Ljava/lang/Object;Ljava/lang/reflect/Type;)V",
                                null, new String[] { "java/io/IOException" });

            mw.visitVarInsn(ALOAD, context.serializer()); // serializer
            mw.visitMethodInsn(INVOKEVIRTUAL, ASMUtils.getType(PBSerializer.class), "getWriter",
                               "()" + ASMUtils.getDesc(SerializeWriter.class));
            mw.visitVarInsn(ASTORE, context.var("out"));
           
            mw.visitVarInsn(ALOAD, context.obj()); // obj
            mw.visitTypeInsn(CHECKCAST, ASMUtils.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();
        }
       
        byte[] code = cw.toByteArray();
       
        /*org.apache.commons.io.IOUtils.write(code, new java.io.FileOutputStream(
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