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/*
* TOOLS.H
*/
#ifndef TOOLS_H
#define TOOLS_H
#include "lua.h"
#include "threading.h"
// MUTEX_T
#include <assert.h>
// Note: The < -10000 test is to leave registry/global/upvalue indices untouched
//
#define /*int*/ STACK_ABS(L,n) \
( ((n) >= 0 || (n) <= -10000) ? (n) : lua_gettop(L) +(n) +1 )
#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) { if (!(c)) luaL_error( lua, "ASSERT failed: %s:%d '%s'", __FILE__, __LINE__, #c ); }
//
#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) { if (!lua_checkstack(L,n)) luaL_error( L, "Cannot grow stack!" ); }
#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))
#define luaG_typename( L, index ) lua_typename( L, lua_type(L,index) )
void luaG_dump( lua_State* L );
const char *luaG_openlibs( lua_State *L, const char *libs );
int luaG_deep_userdata( lua_State *L );
void *luaG_todeep( lua_State *L, lua_CFunction idfunc, int index );
typedef struct {
volatile int refcount;
void *deep;
} DEEP_PRELUDE;
void luaG_push_proxy( lua_State *L, lua_CFunction idfunc, DEEP_PRELUDE *deep_userdata );
void luaG_inter_copy( lua_State *L, lua_State *L2, uint_t n );
void luaG_inter_move( lua_State *L, lua_State *L2, uint_t n );
// Lock for reference counter inc/dec locks (to be initialized by outside code)
//
extern MUTEX_T deep_lock;
extern MUTEX_T mtid_lock;
#endif
// TOOLS_H
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