# 1 "./lua/lstate.h" #ifndef lstate_h #define lstate_h #include "lua.h" #include "lobject.h" #include "ltm.h" #include "lzio.h" # 99 "./lua/lstate.h" #define yieldable(L) (((L)->nCcalls & 0xffff0000) == 0) #define getCcalls(L) ((L)->nCcalls & 0xffff) #define incnny(L) ((L)->nCcalls += 0x10000) #define decnny(L) ((L)->nCcalls -= 0x10000) #define nyci (0x10000 | 1) struct lua_longjmp; #if !defined(l_signalT) #include #define l_signalT sig_atomic_t #endif # 137 "./lua/lstate.h" #define EXTRA_STACK 5 #define BASIC_STACK_SIZE (2*LUA_MINSTACK) #define stacksize(th) cast_int((th)->stack_last - (th)->stack) #define KGC_INC 0 #define KGC_GEN 1 typedef struct stringtable { TString **hash; int nuse; int size; } stringtable; # 172 "./lua/lstate.h" typedef struct CallInfo { StkId func; StkId top; struct CallInfo *previous, *next; union { struct { const Instruction *savedpc; volatile l_signalT trap; int nextraargs; } l; struct { lua_KFunction k; ptrdiff_t old_errfunc; lua_KContext ctx; } c; } u; union { int funcidx; int nyield; int nres; struct { unsigned short ftransfer; unsigned short ntransfer; } transferinfo; } u2; short nresults; unsigned short callstatus; } CallInfo; #define CIST_OAH (1<<0) #define CIST_C (1<<1) #define CIST_FRESH (1<<2) #define CIST_HOOKED (1<<3) #define CIST_YPCALL (1<<4) #define CIST_TAIL (1<<5) #define CIST_HOOKYIELD (1<<6) #define CIST_FIN (1<<7) #define CIST_TRAN (1<<8) #define CIST_CLSRET (1<<9) #define CIST_RECST 10 #if defined(LUA_COMPAT_LT_LE) #define CIST_LEQ (1<<13) #endif # 228 "./lua/lstate.h" #define getcistrecst(ci) (((ci)->callstatus >> CIST_RECST) & 7) #define setcistrecst(ci,st) \ check_exp(((st) & 7) == (st), \ ((ci)->callstatus = ((ci)->callstatus & ~(7 << CIST_RECST)) \ | ((st) << CIST_RECST))) #define isLua(ci) (!((ci)->callstatus & CIST_C)) #define isLuacode(ci) (!((ci)->callstatus & (CIST_C | CIST_HOOKED))) #define setoah(st,v) ((st) = ((st) & ~CIST_OAH) | (v)) #define getoah(st) ((st) & CIST_OAH) typedef struct global_State { lua_Alloc frealloc; void *ud; l_mem totalbytes; l_mem GCdebt; lu_mem GCestimate; lu_mem lastatomic; stringtable strt; TValue l_registry; TValue nilvalue; unsigned int seed; lu_byte currentwhite; lu_byte gcstate; lu_byte gckind; lu_byte gcstopem; lu_byte genminormul; lu_byte genmajormul; lu_byte gcstp; lu_byte gcemergency; lu_byte gcpause; lu_byte gcstepmul; lu_byte gcstepsize; GCObject *allgc; GCObject **sweepgc; GCObject *finobj; GCObject *gray; GCObject *grayagain; GCObject *weak; GCObject *ephemeron; GCObject *allweak; GCObject *tobefnz; GCObject *fixedgc; GCObject *survival; GCObject *old1; GCObject *reallyold; GCObject *firstold1; GCObject *finobjsur; GCObject *finobjold1; GCObject *finobjrold; struct lua_State *twups; lua_CFunction panic; struct lua_State *mainthread; TString *memerrmsg; TString *tmname[TM_N]; struct Table *mt[LUA_NUMTAGS]; TString *strcache[STRCACHE_N][STRCACHE_M]; lua_WarnFunction warnf; void *ud_warn; } global_State; struct lua_State { CommonHeader; lu_byte status; lu_byte allowhook; unsigned short nci; StkId top; global_State *l_G; CallInfo *ci; StkId stack_last; StkId stack; UpVal *openupval; StkId tbclist; GCObject *gclist; struct lua_State *twups; struct lua_longjmp *errorJmp; CallInfo base_ci; volatile lua_Hook hook; ptrdiff_t errfunc; l_uint32 nCcalls; int oldpc; int basehookcount; int hookcount; volatile l_signalT hookmask; }; #define G(L) (L->l_G) #define completestate(g) ttisnil(&g->nilvalue) # 348 "./lua/lstate.h" union GCUnion { GCObject gc; struct TString ts; struct Udata u; union Closure cl; struct Table h; struct Proto p; struct lua_State th; struct UpVal upv; }; #define cast_u(o) cast(union GCUnion *, (o)) #define gco2ts(o) \ check_exp(novariant((o)->tt) == LUA_TSTRING, &((cast_u(o))->ts)) #define gco2u(o) check_exp((o)->tt == LUA_VUSERDATA, &((cast_u(o))->u)) #define gco2lcl(o) check_exp((o)->tt == LUA_VLCL, &((cast_u(o))->cl.l)) #define gco2ccl(o) check_exp((o)->tt == LUA_VCCL, &((cast_u(o))->cl.c)) #define gco2cl(o) \ check_exp(novariant((o)->tt) == LUA_TFUNCTION, &((cast_u(o))->cl)) #define gco2t(o) check_exp((o)->tt == LUA_VTABLE, &((cast_u(o))->h)) #define gco2p(o) check_exp((o)->tt == LUA_VPROTO, &((cast_u(o))->p)) #define gco2th(o) check_exp((o)->tt == LUA_VTHREAD, &((cast_u(o))->th)) #define gco2upv(o) check_exp((o)->tt == LUA_VUPVAL, &((cast_u(o))->upv)) #define obj2gco(v) check_exp((v)->tt >= LUA_TSTRING, &(cast_u(v)->gc)) #define gettotalbytes(g) cast(lu_mem, (g)->totalbytes + (g)->GCdebt) LUAI_FUNC void luaE_setdebt (global_State *g, l_mem debt); LUAI_FUNC void luaE_freethread (lua_State *L, lua_State *L1); LUAI_FUNC CallInfo *luaE_extendCI (lua_State *L); LUAI_FUNC void luaE_freeCI (lua_State *L); LUAI_FUNC void luaE_shrinkCI (lua_State *L); LUAI_FUNC void luaE_checkcstack (lua_State *L); LUAI_FUNC void luaE_incCstack (lua_State *L); LUAI_FUNC void luaE_warning (lua_State *L, const char *msg, int tocont); LUAI_FUNC void luaE_warnerror (lua_State *L, const char *where); LUAI_FUNC int luaE_resetthread (lua_State *L, int status); #endif