mirror of
https://github.com/libretro/scummvm.git
synced 2025-01-19 08:25:35 +00:00
99 lines
3.8 KiB
C++
99 lines
3.8 KiB
C++
/* ScummVM - Graphic Adventure Engine
|
|
*
|
|
* ScummVM is the legal property of its developers, whose names
|
|
* are too numerous to list here. Please refer to the COPYRIGHT
|
|
* file distributed with this source distribution.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; either version 2
|
|
* of the License, or (at your option) any later version.
|
|
*
|
|
* This program is distri8buted in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
*
|
|
*/
|
|
|
|
#ifndef LUA_SERIALIZATION_UTIL_H
|
|
#define LUA_SERIALIZATION_UTIL_H
|
|
|
|
|
|
struct lua_State;
|
|
|
|
#include "lua/lobject.h"
|
|
|
|
typedef TValue *StkId;
|
|
|
|
namespace Lua {
|
|
|
|
#define lua_malloc(luaState, nsize) lua_realloc(luaState, nullptr, 0, nsize)
|
|
#define lua_reallocv(luaState, block, on, n, e) lua_realloc(luaState, block, (on) * (e), (n) * (e))
|
|
#define lua_reallocvector(luaState, vec, oldn, n, T) ((vec) = (T *)(lua_reallocv(luaState, vec, oldn, n, sizeof(T))))
|
|
#define lua_newVector(luaState, num, T) ((T *)lua_reallocv(luaState, nullptr, 0, num, sizeof(T)))
|
|
#define lua_new(luaState,T) (T *)lua_malloc(luaState, sizeof(T))
|
|
|
|
void *lua_realloc(lua_State *luaState, void *block, size_t osize, size_t nsize);
|
|
|
|
void pushObject(lua_State *luaState, TValue *obj);
|
|
void pushProto(lua_State *luaState, Proto *proto);
|
|
void pushUpValue(lua_State *luaState, UpVal *upval);
|
|
void pushString(lua_State *luaState, TString *str);
|
|
|
|
StkId getObject(lua_State *luaState, int stackpos);
|
|
|
|
void lua_linkObjToGC(lua_State *luaState, GCObject *obj, lu_byte type);
|
|
|
|
#define sizeLclosure(n) ((sizeof(LClosure)) + sizeof(TValue *) * ((n) - 1))
|
|
|
|
Closure *lua_newLclosure(lua_State *luaState, int numElements, Table *elementTable);
|
|
void pushClosure(lua_State *luaState, Closure *closure);
|
|
|
|
Proto *createProto(lua_State *luaState);
|
|
Proto *makeFakeProto(lua_State *L, lu_byte nups);
|
|
|
|
TString *createString(lua_State *luaState, const char *str, size_t len);
|
|
|
|
UpVal *createUpValue(lua_State *luaState, int stackpos);
|
|
void unboxUpValue(lua_State *luaState);
|
|
|
|
/* Appends one stack to another stack, but the stack is reversed in the process */
|
|
size_t appendStackToStack_reverse(lua_State *from, lua_State *to);
|
|
void correctStack(lua_State *L, TValue *oldstack);
|
|
void lua_reallocstack(lua_State *L, int newsize);
|
|
void lua_growstack(lua_State *L, int n);
|
|
|
|
void lua_reallocCallInfo(lua_State *lauState, int newsize);
|
|
|
|
/* Does basically the opposite of luaC_link().
|
|
* Right now this function is rather inefficient; it requires traversing the
|
|
* entire root GC set in order to find one object. If the GC list were doubly
|
|
* linked this would be much easier, but there's no reason for Lua to have
|
|
* that. */
|
|
void GCUnlink(lua_State *luaState, GCObject *gco);
|
|
|
|
TString *lua_newlstr(lua_State *luaState, const char *str, size_t len);
|
|
void lua_link(lua_State *luaState, GCObject *o, lu_byte tt);
|
|
Proto *lua_newproto(lua_State *luaState) ;
|
|
|
|
UpVal *makeUpValue(lua_State *luaState, int stackPos);
|
|
/**
|
|
* The GC is not fond of finding upvalues in tables. We get around this
|
|
* during persistence using a weakly keyed table, so that the GC doesn't
|
|
* bother to mark them. This won't work in unpersisting, however, since
|
|
* if we make the values weak they'll be collected (since nothing else
|
|
* references them). Our solution, during unpersisting, is to represent
|
|
* upvalues as dummy functions, each with one upvalue.
|
|
*/
|
|
void boxUpValue_start(lua_State *luaState);
|
|
void boxUpValue_finish(lua_State *luaState);
|
|
|
|
} // End of namespace Lua
|
|
|
|
#endif
|