pikapython/src/dataArg.c

/*
 * This file is part of the PikaPython project.
 * http://github.com/pikastech/pikapython
 *
 * MIT License
 *
 * Copyright (c) 2021 lyon liang6516@outlook.com
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 */
#include "dataArg.h"
#include "PikaObj.h"
#include "dataArgs.h"
#include "dataMemory.h"
#include "dataString.h"
#include "stdlib.h"

static pika_bool _arg_cache_push(Arg* self, uint32_t size) {
#if !PIKA_ARG_CACHE_ENABLE
    return pika_false;
#else
    if (pika_false == pika_hook_arg_cache_filter(self)) {
        return pika_false;
    }
    extern PikaMemInfo g_PikaMemInfo;
    if (self->heap_size < PIKA_ARG_CACHE_SIZE ||
        self->heap_size > 2 * PIKA_ARG_CACHE_SIZE) {
        return pika_false;
    }
    if (PIKA_ARG_CACHE_POOL_SIZE <= g_PikaMemInfo.cache_pool_top) {
        return pika_false;
    }
    g_PikaMemInfo.cache_pool[g_PikaMemInfo.cache_pool_top++] = (uint8_t*)self;
    g_PikaMemInfo.heapUsed -= mem_align(sizeof(Arg) + size);
    return pika_true;
#endif
}

static Arg* _arg_cache_pop(uint32_t size) {
#if !PIKA_ARG_CACHE_ENABLE
    return NULL;
#else
    uint32_t req_heap_size = mem_align(sizeof(Arg) + size);
    extern PikaMemInfo g_PikaMemInfo;
    if (req_heap_size > PIKA_ARG_CACHE_SIZE) {
        return NULL;
    }
    if (!(g_PikaMemInfo.cache_pool_top > 0)) {
        return NULL;
    }
    --g_PikaMemInfo.cache_pool_top;
    Arg* self = (Arg*)g_PikaMemInfo.cache_pool[g_PikaMemInfo.cache_pool_top];
    g_PikaMemInfo.heapUsed += mem_align(sizeof(Arg) + size);
    return self;
#endif
}

uint32_t arg_getTotleSize(Arg* self) {
    return arg_totleSize(self);
}

/**
 * time33 hash
 */

Hash hash_time33EndWith(char* str, char end) {
    pika_assert(str != NULL);
    if (*str == 0) {
        return 5381;
    }
    Hash hash = 5381;
    while (*str && *str != end) {
        hash += (hash << 5) + (*str++);
    }
    return (hash & 0x7FFFFFFF);
}

Hash hash_time33(char* str) {
    pika_assert(str != NULL);
    if (*str == 0) {
        return 5381;
    }
    Hash hash = 5381;
    while (*str) {
        hash += (hash << 5) + (*str++);
    }
    return (hash & 0x7FFFFFFF);
}

static Arg* _arg_set_hash(Arg* self,
                          Hash nameHash,
                          ArgType type,
                          uint8_t* content,
                          uint32_t size,
                          Arg* next) {
    /* create arg if not exist */
    if (NULL == self || self->size < size) {
        self = _arg_cache_pop(size);
        uint32_t heap_size = sizeof(Arg) + size;
#if PIKA_ARG_CACHE_ENABLE
        // if (heap_size < PIKA_ARG_CACHE_SIZE) {
        //     heap_size = PIKA_ARG_CACHE_SIZE;
        // }
        extern PikaMemInfo g_PikaMemInfo;
        g_PikaMemInfo.alloc_times++;
        g_PikaMemInfo.alloc_times_cache++;
#endif
        if (NULL == self) {
            self = (Arg*)pikaMalloc(heap_size);
#if PIKA_ARG_CACHE_ENABLE
            extern PikaMemInfo g_PikaMemInfo;
            g_PikaMemInfo.alloc_times_cache--;
            self->heap_size = mem_align(heap_size);
#endif
        }
        self->size = size;
        self->flag = 0;
#if PIKA_KERNAL_DEBUG_ENABLE
        self->value = (_arg_value*)&self->content;
        self->str = (char*)&self->content;
        self->bytes = (uint8_t*)&self->content;
        self->name = self->_name_buff;
        pika_platform_memset(self->_name_buff, 0, PIKA_NAME_BUFF_SIZE);
#endif
        arg_setSerialized(self, pika_true);
        // arg_setIsKeyword(self, pika_false);
        arg_setNext(self, next);
    }
    self->name_hash = nameHash;
    self->type = type;
    if (NULL != content) {
        pika_platform_memcpy(arg_getContent(self), content, size);
    } else {
        pika_platform_memset(arg_getContent(self), 0,
                             align_by(size, sizeof(uint32_t)));
    }
    pika_assert(self->flag < ARG_FLAG_MAX);
    return self;
}

static Arg* arg_create_hash(Hash nameHash,
                            ArgType type,
                            uint8_t* content,
                            uint32_t size,
                            Arg* next) {
    return _arg_set_hash(NULL, nameHash, type, content, size, next);
}

static Arg* arg_create(char* name,
                       ArgType type,
                       uint8_t* content,
                       uint32_t size,
                       Arg* next) {
    Hash nameHash = hash_time33(name);
    return arg_create_hash(nameHash, type, content, size, next);
}

Arg* arg_set(Arg* self,
             char* name,
             ArgType type,
             uint8_t* content,
             uint32_t size) {
    Hash nameHash = hash_time33(name);
    self = _arg_set_hash(self, nameHash, type, content, size, NULL);
#if PIKA_KERNAL_DEBUG_ENABLE
    strncpy(self->_name_buff, name, PIKA_NAME_BUFF_SIZE);
#endif
    return self;
}

void arg_init_stack(Arg* self, uint8_t* buffer, uint32_t size) {
    self->_.buffer = buffer;
    self->size = size;
#if PIKA_KERNAL_DEBUG_ENABLE
    self->value = (_arg_value*)&self->_.buffer;
    self->str = (char*)&self->content;
    self->bytes = (uint8_t*)&self->content;
#endif
}

uint32_t arg_totleSize(Arg* self) {
    return ((Arg*)self)->size + sizeof(Arg);
}

void arg_freeContent(Arg* self) {
    pika_assert(NULL != self);
    if (_arg_cache_push(self, self->size)) {
        return;
    }
    pikaFree(self, arg_totleSize(self));
    return;
}

Arg* arg_setContent(Arg* self, uint8_t* content, uint32_t size) {
    if (NULL == self) {
        /* malloc */
        return arg_create("", ARG_TYPE_NONE, content, size, NULL);
    }

    /* only copy */
    if (arg_getSize(self) >= size) {
        pika_platform_memcpy(arg_getContent((Arg*)self), content, size);
        return self;
    }

    /* realloc */
    Hash nameHash = arg_getNameHash(self);
    ArgType type = arg_getType(self);
    Arg* next = arg_getNext(self);
    Arg* newContent = arg_create_hash(nameHash, type, content, size, next);
    arg_freeContent(self);
    return newContent;
}

Arg* arg_setNameHash(Arg* self, Hash nameHash) {
    if (NULL == self) {
        return arg_create_hash(nameHash, ARG_TYPE_NONE, NULL, 0, NULL);
    }
    Arg* arg = (Arg*)self;
    arg->name_hash = nameHash;
    return self;
}

Arg* arg_setName(Arg* self, char* name) {
    pika_assert(NULL != name);
    self = arg_setNameHash(self, hash_time33(name));
#if PIKA_KERNAL_DEBUG_ENABLE
    strncpy(self->_name_buff, name, PIKA_NAME_BUFF_SIZE);
#endif
    return self;
}

Arg* arg_setBytes(Arg* self, char* name, uint8_t* src, size_t size) {
    self = arg_newContent(size + sizeof(size_t) + 1);
    if (NULL == self) {
        return NULL;
    }
    self = arg_setName(self, name);
    pika_assert(NULL != self);
    arg_setType(self, ARG_TYPE_BYTES);
    void* dir = arg_getContent(self);
    /* set content all to 0 */
    pika_platform_memset(dir, 0, size + sizeof(size_t) + 1);
    /* setsize */
    pika_platform_memcpy(dir, &size, sizeof(size_t));

    /* set init value */
    if (NULL != src) {
        pika_platform_memcpy((void*)((uintptr_t)dir + sizeof(size_t)), src,
                             size);
    }
    pika_assert(self->flag < ARG_FLAG_MAX);
    return self;
}

Arg* arg_newContent(uint32_t size) {
    Arg* newContent = arg_create("", ARG_TYPE_NONE, NULL, size, NULL);
    return newContent;
}

uint8_t* arg_getBytes(Arg* self) {
    return arg_getContent(self) + sizeof(size_t);
}

Arg* arg_toStrArg(Arg* arg) {
    ArgType type = arg_getType(arg);
    char* buff = (char*)pikaMalloc(PIKA_SPRINTF_BUFF_SIZE);
    Arg* result = NULL;
    if (type == ARG_TYPE_BYTES) {
        char buff_item[16] = {0};
        size_t bytes_size = arg_getBytesSize(arg);
        uint8_t* bytes = arg_getBytes(arg);
        Arg* str_arg = arg_newStr("b\'");
        for (size_t i = 0; i < bytes_size; i++) {
            pika_snprintf(buff_item, 16, "\\x%02x", bytes[i]);
            char* str_item = (char*)buff_item;
            str_arg = arg_strAppend(str_arg, str_item);
        }
        str_arg = arg_strAppend(str_arg, "\'");
        result = str_arg;
        goto __exit;
    }
    if (type == ARG_TYPE_INT) {
#if PIKA_PRINT_LLD_ENABLE
        pika_snprintf(buff, PIKA_SPRINTF_BUFF_SIZE, "%lld",
                      (long long int)arg_getInt(arg));
#else
        pika_platform_snprintf(buff, PIKA_SPRINTF_BUFF_SIZE, "%d",
                               (int)arg_getInt(arg));
#endif
        result = arg_newStr(buff);
        goto __exit;
    }
    if (type == ARG_TYPE_BOOL) {
        if (arg_getBool(arg)) {
            result = arg_newStr("True");
            goto __exit;
        }
        result = arg_newStr("False");
        goto __exit;
    }
    if (type == ARG_TYPE_FLOAT) {
        pika_snprintf(buff, PIKA_SPRINTF_BUFF_SIZE, "%f", arg_getFloat(arg));
        result = arg_newStr(buff);
        goto __exit;
    }
    if (type == ARG_TYPE_STRING) {
        result = arg_newStr(arg_getStr(arg));
        goto __exit;
    }
    if (type == ARG_TYPE_POINTER) {
        pika_snprintf(buff, PIKA_SPRINTF_BUFF_SIZE, "%p", arg_getPtr(arg));
        result = arg_newStr(buff);
        goto __exit;
    }
    if (argType_isCallable(type)) {
        /* support basic type */
        if (_argType_or(type, ARG_TYPE_METHOD_NATIVE,
                        ARG_TYPE_METHOD_NATIVE_ACTIVE)) {
            MethodProp* method_store = (MethodProp*)arg_getContent(arg);
            if (strEqu(method_store->name, "int") ||
                strEqu(method_store->name, "bool") ||
                strEqu(method_store->name, "float") ||
                strEqu(method_store->name, "str") ||
                strEqu(method_store->name, "bytes") ||
                strEqu(method_store->name, "list") ||
                strEqu(method_store->name, "dict") ||
                strEqu(method_store->name, "tuple")) {
                pika_snprintf(buff, PIKA_SPRINTF_BUFF_SIZE, "<class '%s'>",
                              method_store->name);
                result = arg_newStr(buff);
                goto __exit;
            }
            pika_snprintf(buff, PIKA_SPRINTF_BUFF_SIZE,
                          "<built-in function %s>", method_store->name);
            result = arg_newStr(buff);
            goto __exit;
        }
        if (argType_isConstructor(type)) {
            pika_snprintf(buff, PIKA_SPRINTF_BUFF_SIZE, "<class 'object'>");
            result = arg_newStr(buff);
            goto __exit;
        }
        pika_snprintf(buff, PIKA_SPRINTF_BUFF_SIZE, "<class 'function'>");
        result = arg_newStr(buff);
        goto __exit;
    }
    if (type == ARG_TYPE_NONE) {
        result = arg_newStr("None");
        goto __exit;
    }
    if (argType_isObject(type)) {
        result = arg_newStr(obj_toStr(arg_getPtr(arg)));
        goto __exit;
    }
    if (type == ARG_TYPE_OBJECT_META) {
        pika_snprintf(buff, PIKA_SPRINTF_BUFF_SIZE, "<meta object at %p>",
                      arg_getPtr(arg));
        result = arg_newStr(buff);
        goto __exit;
    }
__exit:
    pikaFree(buff, PIKA_SPRINTF_BUFF_SIZE);
    return result;
}

void arg_print(Arg* self, pika_bool in_REPL, char* end) {
    /* use arg_toStrArg() */
    Arg* str_arg = arg_toStrArg(self);
    if (NULL == str_arg) {
        return;
    }
    if (in_REPL && arg_getType(self) == ARG_TYPE_STRING) {
        pika_platform_printf("'%s'%s", arg_getStr(str_arg), end);
    } else {
        pika_platform_printf("%s%s", arg_getStr(str_arg), end);
    }
    arg_deinit(str_arg);
    return;
}

size_t arg_getBytesSize(Arg* self) {
    size_t mem_size = 0;
    void* content = (void*)arg_getContent(self);
    if (NULL == content) {
        return 0;
    }
    pika_platform_memcpy(&mem_size, content, sizeof(size_t));
    return mem_size;
}

Arg* arg_setStruct(Arg* self,
                   char* name,
                   void* struct_ptr,
                   uint32_t struct_size) {
    if (NULL == struct_ptr) {
        return NULL;
    }
    return arg_set(self, name, ARG_TYPE_STRUCT, (uint8_t*)struct_ptr,
                   struct_size);
}

Arg* arg_setHeapStruct(Arg* self,
                       char* name,
                       void* struct_ptr,
                       uint32_t struct_size,
                       void* struct_deinit_fun) {
    if (NULL == struct_ptr) {
        return NULL;
    }
    Arg* struct_arg =
        arg_setContent(NULL, (uint8_t*)&struct_deinit_fun, sizeof(void*));
    struct_arg = arg_append(struct_arg, (uint8_t*)struct_ptr, struct_size);
    pika_assert(NULL != struct_arg);
    arg_setType(struct_arg, ARG_TYPE_STRUCT_HEAP);
    struct_arg = arg_setName(struct_arg, name);
    return struct_arg;
}

void* arg_getHeapStructDeinitFun(Arg* self) {
    void* deinit_fun = NULL;
    pika_platform_memcpy(&deinit_fun, arg_getContent(self), sizeof(void*));
    return deinit_fun;
}

Arg* arg_setInt(Arg* self, char* name, int64_t val) {
    return arg_set(self, name, ARG_TYPE_INT, (uint8_t*)&val, sizeof(val));
}

Arg* arg_setBool(Arg* self, char* name, pika_bool val) {
    return arg_set(self, name, ARG_TYPE_BOOL, (uint8_t*)&val, sizeof(val));
}

Arg* arg_setNone(Arg* self) {
    return arg_set(self, "", ARG_TYPE_NONE, NULL, 0);
}

Arg* arg_setFloat(Arg* self, char* name, pika_float val) {
    return arg_set(self, name, ARG_TYPE_FLOAT, (uint8_t*)&val, sizeof(val));
}

pika_float arg_getFloat(Arg* self) {
    if (NULL == arg_getContent(self)) {
        return -999.999;
    }

    return *(pika_float*)arg_getContent(self);
}

Arg* arg_setPtr(Arg* self, char* name, ArgType type, void* pointer) {
    return arg_set(self, name, type, (uint8_t*)&pointer, sizeof(uintptr_t));
}

Arg* arg_setStrN(Arg* self, char* name, char* string, size_t len) {
    if (NULL == string) {
        return NULL;
    }
    Arg* ret = arg_set(self, name, ARG_TYPE_STRING, NULL, len + 1);
    pika_platform_memcpy(arg_getContent(ret), string, len);
    return ret;
}

Arg* arg_setStr(Arg* self, char* name, char* string) {
    if (NULL == string) {
        return NULL;
    }
    return arg_set(self, name, ARG_TYPE_STRING, (uint8_t*)string,
                   strGetSize(string) + 1);
}

int64_t arg_getInt(Arg* self) {
    pika_assert(NULL != self);
    if (NULL == arg_getContent(self)) {
        return _PIKA_INT_ERR;
    }
    return *(int64_t*)arg_getContent(self);
}

pika_bool arg_getBool(Arg* self) {
    pika_assert(NULL != self);
    if (NULL == arg_getContent(self)) {
        return _PIKA_BOOL_ERR;
    }
    ArgType type = arg_getType(self);
    if (type == ARG_TYPE_BOOL) {
        return *(pika_bool*)arg_getContent(self);
    }
    if (type == ARG_TYPE_INT) {
        return (pika_bool)arg_getInt(self);
    }
    if (type == ARG_TYPE_FLOAT) {
        return (pika_bool)arg_getFloat(self);
    }
    return _PIKA_BOOL_ERR;
}

void* arg_getPtr(Arg* self) {
    if (arg_getType(self) == ARG_TYPE_NONE) {
        return NULL;
    }
    if (NULL == arg_getContent(self)) {
        return NULL;
    }
    return *(void**)arg_getContent(self);
}

char* arg_getStr(Arg* self) {
    return (char*)arg_getContent(self);
}

uint32_t arg_getContentSize(Arg* self) {
    return arg_getSize(self);
}

Arg* New_arg(void* voidPointer) {
    return NULL;
}

void arg_refcntInc(Arg* self) {
    ArgType arg_type = arg_getType(self);
    if (ARG_TYPE_OBJECT != arg_type) {
        return;
    }
    if (arg_getIsWeakRef(self)) {
        return;
    }
    obj_refcntInc((PikaObj*)arg_getPtr(self));
}

void arg_refcntDec(Arg* self) {
    ArgType arg_type = arg_getType(self);
    if (ARG_TYPE_OBJECT != arg_type) {
        return;
    }
    if (arg_getIsWeakRef(self)) {
        return;
    }
    obj_refcntDec((PikaObj*)arg_getPtr(self));
}

Arg* arg_copy_content(Arg* arg_dict, Arg* arg_src) {
    arg_dict = arg_setContent(arg_dict, arg_getContent(arg_src),
                              arg_getContentSize(arg_src));
    arg_dict = arg_setNameHash(arg_dict, arg_getNameHash(arg_src));
    pika_assert(NULL != arg_dict);
    arg_setType(arg_dict, arg_getType(arg_src));
    arg_setIsKeyword(arg_dict, arg_getIsKeyword(arg_src));
    arg_setIsWeakRef(arg_dict, arg_getIsWeakRef(arg_src));
    return arg_dict;
}

Arg* arg_copy(Arg* arg_src) {
    if (NULL == arg_src) {
        return NULL;
    }
    pika_assert(arg_src->flag < ARG_FLAG_MAX);
    if (ARG_TYPE_OBJECT == arg_getType(arg_src)) {
        arg_refcntInc(arg_src);
    }
#if 0
    if (argType_isObjectMethodActive(arg_getType(arg_src))) {
        PikaObj* hostObj = methodArg_getHostObj(arg_src);
        if (NULL != hostObj) {
            obj_refcntInc(hostObj);
        }
    }
#endif
    Arg* arg_dict = New_arg(NULL);
    arg_dict = arg_copy_content(arg_dict, arg_src);
    return arg_dict;
}

Arg* arg_copy_noalloc(Arg* arg_src, Arg* arg_dict) {
    if (NULL == arg_src) {
        return NULL;
    }
    if (NULL == arg_dict) {
        return arg_copy(arg_src);
    }
    /* size is too big to be copied by noalloc */
    if (arg_getSize(arg_src) > arg_getSize(arg_dict)) {
        return arg_copy(arg_src);
    }
    arg_refcntInc(arg_src);
    arg_setSerialized(arg_dict, pika_false);
    arg_dict = arg_copy_content(arg_dict, arg_src);
    return arg_dict;
}

Arg* arg_append(Arg* self, void* new_content, size_t new_size) {
    uint8_t* old_content = arg_getContent(self);
    size_t old_size = arg_getContentSize(self);
    Arg* new_arg = NULL;
#if PIKA_ARG_CACHE_ENABLE
    /* create arg_out */
    if (self->heap_size > mem_align(sizeof(Arg) + old_size + new_size)) {
        new_arg = self;
        new_arg->size = old_size + new_size;
        extern PikaMemInfo g_PikaMemInfo;
        g_PikaMemInfo.heapUsed += mem_align(sizeof(Arg) + old_size + new_size) -
                                  mem_align(sizeof(Arg) + old_size);
    }
#endif
    if (NULL == new_arg) {
        new_arg = arg_setContent(NULL, NULL, old_size + new_size);
    }
    pika_assert(NULL != new_arg);
    arg_setType(new_arg, arg_getType(self));
    arg_setNameHash(new_arg, arg_getNameHash(self));
    if (self != new_arg) {
        /* copy old content */
        pika_platform_memcpy(arg_getContent(new_arg), old_content, old_size);
    }
    /* copy new content */
    pika_platform_memcpy(arg_getContent(new_arg) + old_size, new_content,
                         new_size);
    if (self != new_arg) {
        arg_deinit(self);
    }
    return new_arg;
}

void* arg_getHeapStruct(Arg* self) {
    return arg_getContent(self) + sizeof(void*);
}

void arg_deinitHeap(Arg* self) {
    if (arg_getIsWeakRef(self)) {
        return;
    }
    ArgType type = arg_getType(self);
    /* deinit heap struct */
    if (type == ARG_TYPE_STRUCT_HEAP) {
        /* deinit heap strcut */
        StructDeinitFun struct_deinit_fun =
            (StructDeinitFun)arg_getHeapStructDeinitFun(self);
        struct_deinit_fun(arg_getHeapStruct(self));
        return;
    }
    /* deinit sub object */
    if (ARG_TYPE_OBJECT == type) {
        PikaObj* subObj = arg_getPtr(self);
        obj_GC(subObj);
        return;
    }
#if 0
    if (argType_isObjectMethodActive(arg_getType(self))) {
        PikaObj* hostObj = methodArg_getHostObj(self);
        if (NULL != hostObj) {
            obj_GC(hostObj);
        }
    }
#endif
}

Arg* arg_loadFile(Arg* self, char* filename) {
    size_t file_size = 0;
    FILE* input_file = pika_platform_fopen(filename, "rb");
    if (NULL == input_file) {
        return NULL;
    }

    // Move the file pointer to the end of the file
    pika_platform_fseek(input_file, 0, SEEK_END);
    // Get the current file pointer position which is the file size
    file_size = pika_platform_ftell(input_file);
    // Move the file pointer back to the beginning of the file
    pika_platform_fseek(input_file, 0, SEEK_SET);

    // Allocate buffer based on file size
    Arg* res = arg_newBytes(NULL, file_size);
    char* file_buff = (char*)arg_getBytes(res);
    if (file_buff == NULL) {
        pika_platform_fclose(input_file);
        return NULL;
    }

    pika_platform_memset(file_buff, 0, file_size);
    // Read the file into the buffer
    if (pika_platform_fread(file_buff, 1, file_size, input_file) != file_size) {
        // Handle read error or file size mismatch
        arg_deinit(res);
        pika_platform_fclose(input_file);
        return NULL;
    }

    // Clean up
    pika_platform_fclose(input_file);
    return res;
}

void arg_deinit(Arg* self) {
    pika_assert(NULL != self);
    /* deinit arg pointed heap */
    arg_deinitHeap(self);
    if (!arg_isSerialized(self)) {
        return;
    }
    /* free the ref */
    arg_freeContent(self);
}

pika_bool arg_isEqual(Arg* self, Arg* other) {
    if (NULL == self || NULL == other) {
        return pika_false;
    }
    if (arg_getType(self) != arg_getType(other)) {
        return pika_false;
    }
    if (arg_getType(self) == ARG_TYPE_OBJECT) {
        if (arg_getPtr(self) != arg_getPtr(other)) {
            return pika_false;
        }
    }
    if (arg_getType(self) == ARG_TYPE_STRING) {
        if (strEqu(arg_getStr(self), arg_getStr(other))) {
            return pika_true;
        }
    }
    if (0 != pika_platform_memcmp(arg_getContent(self), arg_getContent(other),
                                  arg_getContentSize(self))) {
        return pika_false;
    }
    return pika_true;
}