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/*
* TOOLS.H
*/
#ifndef TOOLS_H
#define TOOLS_H
#include "lauxlib.h"
#include "threading.h"
// MUTEX_T
#include <assert.h>
// M$ compiler doesn't support 'inline' keyword in C files...
#if defined( _MSC_VER)
#define inline __inline
#endif
// code is now using Lua 5.2 API
// add Lua 5.2 API when building for Lua 5.1
#if LUA_VERSION_NUM == 501
#define lua_absindex( L, idx) (((idx) >= 0 || (idx) <= LUA_REGISTRYINDEX) ? (idx) : lua_gettop(L) + (idx) +1)
#define lua_pushglobaltable(L) lua_pushvalue( L, LUA_GLOBALSINDEX)
#define lua_setuservalue lua_setfenv
#define lua_getuservalue lua_getfenv
#define lua_rawlen lua_objlen
#define luaG_registerlibfuncs( L, _funcs) luaL_register( L, NULL, _funcs)
#endif // LUA_VERSION_NUM == 501
// wrap Lua 5.2 calls under Lua 5.1 API when it is simpler that way
#if LUA_VERSION_NUM == 502
#define lua_equal( L, a, b) lua_compare( L, a, b, LUA_OPEQ)
#define luaG_registerlibfuncs( L, _funcs) luaL_setfuncs( L, _funcs, 0)
#endif // LUA_VERSION_NUM == 502
#ifdef NDEBUG
#define _ASSERT_L(lua,c) /*nothing*/
#define STACK_CHECK(L) /*nothing*/
#define STACK_MID(L,c) /*nothing*/
#define STACK_END(L,c) /*nothing*/
#define STACK_DUMP(L) /*nothing*/
#define DEBUG() /*nothing*/
#define DEBUGEXEC(_code) {} /*nothing*/
#else
#define _ASSERT_L(lua,c) do { if (!(c)) luaL_error( lua, "ASSERT failed: %s:%d '%s'", __FILE__, __LINE__, #c ); } while( 0)
//
#define STACK_CHECK(L) { int _oldtop_##L = lua_gettop(L);
#define STACK_MID(L,change) { int a= lua_gettop(L)-_oldtop_##L; int b= (change); \
if (a != b) luaL_error( L, "STACK ASSERT failed (%d not %d): %s:%d", a, b, __FILE__, __LINE__ ); }
#define STACK_END(L,change) STACK_MID(L,change) }
#define STACK_DUMP(L) luaG_dump(L);
#define DEBUG() fprintf( stderr, "<<%s %d>>\n", __FILE__, __LINE__ );
#define DEBUGEXEC(_code) {_code;} /*nothing*/
#endif
#define ASSERT_L(c) _ASSERT_L(L,c)
#define STACK_GROW(L,n) do { if (!lua_checkstack(L,n)) luaL_error( L, "Cannot grow stack!" ); } while( 0)
#define LUAG_FUNC( func_name ) static int LG_##func_name( lua_State *L )
#define luaG_optunsigned(L,i,d) ((uint_t) luaL_optinteger(L,i,d))
#define luaG_tounsigned(L,i) ((uint_t) lua_tointeger(L,i))
#define luaG_isany(L,i) (!lua_isnil(L,i))
typedef void (*luaG_IdFunction)( lua_State *L, char const * const which);
void luaG_dump( lua_State* L );
lua_State* luaG_newstate( char const* libs, lua_CFunction _on_state_create);
int luaG_deep_userdata( lua_State *L, luaG_IdFunction idfunc);
void *luaG_todeep( lua_State *L, luaG_IdFunction idfunc, int index );
typedef struct {
volatile int refcount;
void *deep;
} DEEP_PRELUDE;
void luaG_push_proxy( lua_State *L, luaG_IdFunction idfunc, DEEP_PRELUDE *deep_userdata );
int luaG_inter_copy( lua_State *L, lua_State *L2, uint_t n);
int luaG_inter_move( lua_State *L, lua_State *L2, uint_t n);
int luaG_nameof( lua_State* L);
// Lock for reference counter inc/dec locks (to be initialized by outside code)
//
extern MUTEX_T deep_lock;
extern MUTEX_T mtid_lock;
void populate_func_lookup_table( lua_State *L, int _i, char const *_name);
void serialize_require( lua_State *L);
extern MUTEX_T require_cs;
#endif
// TOOLS_H
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