//
// Created by shirome on 19/05/2022.
//

#ifndef ANDROID_HOOKING_PATCHING_TEMPLATE_MAIN_LUA_H
#define ANDROID_HOOKING_PATCHING_TEMPLATE_MAIN_LUA_H

#include <stdarg.h>
#include <stddef.h>


#include "luaconf.h"


#define LUA_VERSION     "Lua 5.1"
#define LUA_RELEASE     "Lua 5.1.5"
#define LUA_VERSION_NUM 501
#define LUA_COPYRIGHT   "Copyright (C) 1994-2012 Lua.org, PUC-Rio"
#define LUA_AUTHORS     "R. Ierusalimschy, L. H. de Figueiredo & W. Celes"


/* mark for precompiled code (`<esc>Lua') */
#define LUA_SIGNATURE   "\033Lua"

/* option for multiple returns in `lua_pcall' and `lua_call' */
#define LUA_MULTRET     (-1)


/*
** pseudo-indices
*/
#define LUA_REGISTRYINDEX       (-10000)
#define LUA_ENVIRONINDEX        (-10001)
#define LUA_GLOBALSINDEX        (-10002)
#define lua_upvalueindex(i)     (LUA_GLOBALSINDEX-(i))


/* thread status; 0 is OK */
#define LUA_YIELD       1
#define LUA_ERRRUN      2
#define LUA_ERRSYNTAX   3
#define LUA_ERRMEM      4
#define LUA_ERRERR      5


typedef struct Il2CppString
{
    void* object;
    int32_t length;
    void* chars[];
} Il2CppString;

typedef struct lua_State lua_State;

typedef int (*lua_CFunction) (lua_State *L);


/*
** functions that read/write blocks when loading/dumping Lua chunks
*/
typedef const char * (*lua_Reader) (lua_State *L, void *ud, size_t *sz);

typedef int (*lua_Writer) (lua_State *L, const void* p, size_t sz, void* ud);


/*
** prototype for memory-allocation functions
*/
typedef void * (*lua_Alloc) (void *ud, void *ptr, size_t osize, size_t nsize);


/*
** basic types
*/
#define LUA_TNONE               (-1)

#define LUA_TNIL                0
#define LUA_TBOOLEAN            1
#define LUA_TLIGHTUSERDATA      2
#define LUA_TNUMBER             3
#define LUA_TSTRING             4
#define LUA_TTABLE              5
#define LUA_TFUNCTION           6
#define LUA_TUSERDATA           7
#define LUA_TTHREAD             8



/* minimum Lua stack available to a C function */
#define LUA_MINSTACK    20


/*
** generic extra include file
*/
#if defined(LUA_USER_H)
#include LUA_USER_H
#endif


/* type of numbers in Lua */
typedef LUA_NUMBER lua_Number;


/* type for integer functions */
typedef LUA_INTEGER lua_Integer;



/*
** state manipulation
*/
lua_State *(*lua_newstate) (lua_Alloc f, void *ud);
void       (*lua_close) (lua_State *L);
lua_State *(*lua_newthread) (lua_State *L);

lua_CFunction (*lua_atpanic) (lua_State *L, lua_CFunction panicf);


/*
** basic stack manipulation
*/
int   (*lua_gettop) (lua_State *L);
void  (*lua_settop) (lua_State *L, int idx);
void  (*lua_pushvalue) (lua_State *L, int idx);
void  (*lua_remove) (lua_State *L, int idx);
void  (*lua_insert) (lua_State *L, int idx);
void  (*lua_replace) (lua_State *L, int idx);
int   (*lua_checkstack) (lua_State *L, int sz);

void  (*lua_xmove) (lua_State *from, lua_State *to, int n);


/*
** access functions (stack -> C)
*/

int             (*lua_isnumber) (lua_State *L, int idx);
int             (*lua_isstring) (lua_State *L, int idx);
int             (*lua_iscfunction) (lua_State *L, int idx);
int             (*lua_isuserdata) (lua_State *L, int idx);
int             (*lua_type) (lua_State *L, int idx);
const char     *(*lua_typename) (lua_State *L, int tp);

int            (*lua_equal) (lua_State *L, int idx1, int idx2);
int            (*lua_rawequal) (lua_State *L, int idx1, int idx2);
int            (*lua_lessthan) (lua_State *L, int idx1, int idx2);

lua_Number      (*lua_tonumber) (lua_State *L, int idx);
lua_Integer     (*lua_tointeger) (lua_State *L, int idx);
int             (*lua_toboolean) (lua_State *L, int idx);
size_t          (*lua_objlen) (lua_State *L, int idx);
lua_CFunction   (*lua_tocfunction) (lua_State *L, int idx);
void           *(*lua_touserdata) (lua_State *L, int idx);
lua_State      *(*lua_tothread) (lua_State *L, int idx);
const void     *(*lua_topointer) (lua_State *L, int idx);


/*
** push functions (C -> stack)
*/
void  (*lua_pushnil) (lua_State *L);
void  (*lua_pushnumber) (lua_State *L, lua_Number n);
void  (*lua_pushinteger) (lua_State *L, lua_Integer n);
void  (*lua_pushlstring) (lua_State *L, const char *s, size_t l);
void  (*lua_pushstring) (lua_State *L, Il2CppString *s);
const char *(*lua_pushvfstring) (lua_State *L, const char *fmt,
        va_list argp);
const char *(lua_pushfstring) (lua_State *L, const char *fmt, ...);
void  (*lua_pushcclosure) (lua_State *L, lua_CFunction fn, int n);
void  (*lua_pushboolean) (lua_State *L, int b);
void  (*lua_pushlightuserdata) (lua_State *L, void *p);
int   (*lua_pushthread) (lua_State *L);


/*
** get functions (Lua -> stack)
*/
void  (*lua_gettable) (lua_State *L, int idx);
void  (*lua_getfield) (lua_State *L, int idx, Il2CppString *k);
void  (*lua_rawget) (lua_State *L, int idx);
void  (*lua_rawgeti) (lua_State *L, int idx, int n);
void  (*lua_createtable) (lua_State *L, int narr, int nrec);
void *(*lua_newuserdata) (lua_State *L, size_t sz);
int   (*lua_getmetatable) (lua_State *L, int objindex);
void  (*lua_getfenv) (lua_State *L, int idx);


/*
** set functions (stack -> Lua)
*/
void  (*lua_settable) (lua_State *L, int idx);
void  (*lua_setfield) (lua_State *L, int idx, Il2CppString *k);
void  (*lua_rawset) (lua_State *L, int idx);
void  (*lua_rawseti) (lua_State *L, int idx, int n);
int   (*lua_setmetatable) (lua_State *L, int objindex);
int   (*lua_setfenv) (lua_State *L, int idx);


/*
** `load' and `call' functions (load and run Lua code)
*/
void  (*lua_call) (lua_State *L, int nargs, int nresults);
int   (*lua_pcall) (lua_State *L, int nargs, int nresults, int errfunc);
int   (*lua_cpcall) (lua_State *L, lua_CFunction func, void *ud);
int   (*lua_load) (lua_State *L, lua_Reader reader, void *dt,
const char *chunkname);

int (lua_dump) (lua_State *L, lua_Writer writer, void *data);


/*
** coroutine functions
*/
int  (*lua_yield) (lua_State *L, int nresults);
int  (*lua_resume) (lua_State *L, int narg);
int  (*lua_status) (lua_State *L);

/*
** garbage-collection function and options
*/

#define LUA_GCSTOP              0
#define LUA_GCRESTART           1
#define LUA_GCCOLLECT           2
#define LUA_GCCOUNT             3
#define LUA_GCCOUNTB            4
#define LUA_GCSTEP              5
#define LUA_GCSETPAUSE          6
#define LUA_GCSETSTEPMUL        7

int (lua_gc) (lua_State *L, int what, int data);


/*
** miscellaneous functions
*/

int   (lua_error) (lua_State *L);

int   (*lua_next) (lua_State *L, int idx);

void  (*lua_concat) (lua_State *L, int n);

lua_Alloc (lua_getallocf) (lua_State *L, void **ud);
void lua_setallocf (lua_State *L, lua_Alloc f, void *ud);



/*
** ===============================================================
** some useful macros
** ===============================================================
*/

#define lua_pop(L,n)            lua_settop(L, -(n)-1)

#define lua_newtable(L)         lua_createtable(L, 0, 0)

#define lua_register(L,n,f) (lua_pushcfunction(L, (f)), lua_setglobal(L, (n)))

#define lua_pushcfunction(L,f)  lua_pushcclosure(L, (f), 0)

#define lua_strlen(L,i)         lua_objlen(L, (i))

#define lua_isfunction(L,n)     (lua_type(L, (n)) == LUA_TFUNCTION)
#define lua_istable(L,n)        (lua_type(L, (n)) == LUA_TTABLE)
#define lua_islightuserdata(L,n)        (lua_type(L, (n)) == LUA_TLIGHTUSERDATA)
#define lua_isnil(L,n)          (lua_type(L, (n)) == LUA_TNIL)
#define lua_isboolean(L,n)      (lua_type(L, (n)) == LUA_TBOOLEAN)
#define lua_isthread(L,n)       (lua_type(L, (n)) == LUA_TTHREAD)
#define lua_isnone(L,n)         (lua_type(L, (n)) == LUA_TNONE)
#define lua_isnoneornil(L, n)   (lua_type(L, (n)) <= 0)

#define lua_pushliteral(L, s)   \
        lua_pushlstring(L, "" s, (sizeof(s)/sizeof(char))-1)

#define lua_setglobal(L,s)      lua_setfield(L, LUA_GLOBALSINDEX, (s))
#define lua_getglobal(L,s)      lua_getfield(L, LUA_GLOBALSINDEX, (s))

#define lua_tostring(L,i)       lua_tolstring(L, (i), NULL)



/*
** compatibility macros and functions
*/

#define lua_open()      luaL_newstate()

#define lua_getregistry(L)      lua_pushvalue(L, LUA_REGISTRYINDEX)

#define lua_getgccount(L)       lua_gc(L, LUA_GCCOUNT, 0)

#define lua_Chunkreader         lua_Reader
#define lua_Chunkwriter         lua_Writer


/* hack */
void lua_setlevel       (lua_State *from, lua_State *to);


/*
** {======================================================================
** Debug API
** =======================================================================
*/


/*
** Event codes
*/
#define LUA_HOOKCALL    0
#define LUA_HOOKRET     1
#define LUA_HOOKLINE    2
#define LUA_HOOKCOUNT   3
#define LUA_HOOKTAILRET 4


/*
** Event masks
*/
#define LUA_MASKCALL    (1 << LUA_HOOKCALL)
#define LUA_MASKRET     (1 << LUA_HOOKRET)
#define LUA_MASKLINE    (1 << LUA_HOOKLINE)
#define LUA_MASKCOUNT   (1 << LUA_HOOKCOUNT)

typedef struct lua_Debug lua_Debug;  /* activation record */


/* Functions to be called by the debuger in specific events */
typedef void (*lua_Hook) (lua_State *L, lua_Debug *ar);


int lua_getstack (lua_State *L, int level, lua_Debug *ar);
int lua_getinfo (lua_State *L, const char *what, lua_Debug *ar);
const char *lua_getlocal (lua_State *L, const lua_Debug *ar, int n);
const char *lua_setlocal (lua_State *L, const lua_Debug *ar, int n);
const char *lua_getupvalue (lua_State *L, int funcindex, int n);
const char * (*lua_setupvalue) (lua_State *L, int funcindex, int n);

int lua_sethook (lua_State *L, lua_Hook func, int mask, int count);
lua_Hook lua_gethook (lua_State *L);
int lua_gethookmask (lua_State *L);
int lua_gethookcount (lua_State *L);

int (*luaL_getmetafield)(lua_State *L, int idx, Il2CppString *field);

struct lua_Debug {
    int event;
    const char *name;     /* (n) */
    const char *namewhat; /* (n) `global', `local', `field', `method' */
    const char *what;     /* (S) `Lua', `C', `main', `tail' */
    const char *source;   /* (S) */
    int currentline;      /* (l) */
    int nups;             /* (u) number of upvalues */
    int linedefined;      /* (S) */
    int lastlinedefined;  /* (S) */
    char short_src[LUA_IDSIZE]; /* (S) */
    /* private part */
    int i_ci;  /* active function */
};

#endif //ANDROID_HOOKING_PATCHING_TEMPLATE_MAIN_LUA_H
