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serialize.h
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serialize.h
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/*
* Copyright 2017 Red Hat, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef NEPER_SERIALIZE_H
#define NEPER_SERIALIZE_H
/*
* Tools for transferring Lua values from one Lua state to another.
*/
#include <stdbool.h>
#include "lua.h"
#include "lauxlib.h"
#include "lualib.h"
struct callbacks;
/* Serialized Lua function together with its upvalues. */
struct sfunction;
struct svalue;
struct upvalue_cache;
struct upvalue_cache * upvalue_cache_new(void);
void free_upvalue_cache(struct upvalue_cache *c);
void free_sfunction(struct sfunction *f);
void free_svalue(struct svalue *v);
struct svalue *serialize_value(struct callbacks *cb, lua_State *L);
void deserialize_value(struct callbacks *cb, lua_State *L,
struct upvalue_cache *cache, int cache_idx,
const struct svalue *value);
/**
* Serializes the Lua function at the top of the stack.
*/
struct sfunction *serialize_function(struct callbacks *cb, lua_State *L);
/**
* Deserializes the function and pushes it on top the stack.
*
* Caches the deserialized objects so that they can be shared with other
* deserialized functions.
*/
int deserialize_function(struct callbacks *cb, lua_State *L,
struct upvalue_cache *cache, int cache_idx,
const struct sfunction *func, const char *name,
void **object_key);
void push_collected_value(struct callbacks *cb, lua_State *L,
struct upvalue_cache *cache, int cache_idx,
void *collector_id);
#endif