lstate.h File Reference

#include "lua.h"
#include "lobject.h"
#include "ltm.h"
#include "lzio.h"

Include dependency graph for lstate.h:

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Go to the source code of this file.

Classes
struct	stringtable
struct	CallInfo
struct	global_State
struct	lua_State
union	GCObject

Macros
#define	EXTRA_STACK   5
#define	BASIC_STACK_SIZE   (2*LUA_MINSTACK)
#define	KGC_NORMAL   0
#define	KGC_EMERGENCY   1 /* gc was forced by an allocation failure */
#define	KGC_GEN   2 /* generational collection */
#define	CIST_LUA   (1<<0) /* call is running a Lua function */
#define	CIST_HOOKED   (1<<1) /* call is running a debug hook */
#define	CIST_REENTRY
#define	CIST_YIELDED   (1<<3) /* call reentered after suspension */
#define	CIST_YPCALL   (1<<4) /* call is a yieldable protected call */
#define	CIST_STAT   (1<<5) /* call has an error status (pcall) */
#define	CIST_TAIL   (1<<6) /* call was tail called */
#define	CIST_HOOKYIELD   (1<<7) /* last hook called yielded */
#define	isLua(ci)   ((ci)->callstatus & CIST_LUA)
#define	G(L)   (L->l_G)
#define	gch(o)   (&(o)->gch)
#define	rawgco2ts(o)   check_exp(novariant((o)->gch.tt) == LUA_TSTRING, &((o)->ts))
#define	gco2ts(o)   (&rawgco2ts(o)->tsv)
#define	rawgco2u(o)   check_exp((o)->gch.tt == LUA_TUSERDATA, &((o)->u))
#define	gco2u(o)   (&rawgco2u(o)->uv)
#define	gco2lcl(o)   check_exp((o)->gch.tt == LUA_TLCL, &((o)->cl.l))
#define	gco2ccl(o)   check_exp((o)->gch.tt == LUA_TCCL, &((o)->cl.c))
#define	gco2cl(o)   check_exp(novariant((o)->gch.tt) == LUA_TFUNCTION, &((o)->cl))
#define	gco2t(o)   check_exp((o)->gch.tt == LUA_TTABLE, &((o)->h))
#define	gco2p(o)   check_exp((o)->gch.tt == LUA_TPROTO, &((o)->p))
#define	gco2uv(o)   check_exp((o)->gch.tt == LUA_TUPVAL, &((o)->uv))
#define	gco2th(o)   check_exp((o)->gch.tt == LUA_TTHREAD, &((o)->th))
#define	obj2gco(v)   (cast(GCObject *, (v)))
#define	gettotalbytes(g)   ((g)->totalbytes + (g)->GCdebt)

Typedefs
typedef struct stringtable	stringtable
typedef struct CallInfo	CallInfo
typedef struct global_State	global_State

Functions
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)

Macro Definition Documentation

#define BASIC_STACK_SIZE   (2*LUA_MINSTACK)

Definition at line 49 of file lstate.h.

Referenced by stack_init().

#define CIST_HOOKED   (1<<1) /* call is running a debug hook */

Definition at line 95 of file lstate.h.

Referenced by lua_yieldk(), and luaD_hook().

#define CIST_HOOKYIELD   (1<<7) /* last hook called yielded */

Definition at line 102 of file lstate.h.

Referenced by traceexec().

#define CIST_LUA   (1<<0) /* call is running a Lua function */

Definition at line 94 of file lstate.h.

Referenced by luaD_precall().

#define CIST_REENTRY

Value:

(1<<2)  /* call is running on same invocation of
                                   luaV_execute of previous call */

Definition at line 96 of file lstate.h.

Referenced by luaV_execute().

#define CIST_STAT   (1<<5) /* call has an error status (pcall) */

Definition at line 100 of file lstate.h.

Referenced by finishCcall(), and recover().

#define CIST_TAIL   (1<<6) /* call was tail called */

Definition at line 101 of file lstate.h.

Referenced by auxgetinfo(), callhook(), and luaV_execute().

#define CIST_YIELDED   (1<<3) /* call reentered after suspension */

Definition at line 98 of file lstate.h.

Referenced by finishCcall(), lua_getctx(), and resume().

#define CIST_YPCALL   (1<<4) /* call is a yieldable protected call */

Definition at line 99 of file lstate.h.

Referenced by findpcall(), finishCcall(), and lua_pcallk().

#define EXTRA_STACK   5

Definition at line 46 of file lstate.h.

Referenced by lua_checkstack(), luaD_growstack(), luaD_reallocstack(), luaD_shrinkstack(), and stack_init().

#define G

(

L

)

(L->l_G)

Definition at line 178 of file lstate.h.

Referenced by atomic(), callallpendingfinalizers(), checkSizes(), close_state(), entersweep(), f_luaopen(), freeobj(), GCTM(), generationalcollection(), getfuncname(), incstep(), index2addr(), internshrstr(), lua_atpanic(), lua_close(), lua_gc(), lua_getallocf(), lua_getglobal(), lua_getmetatable(), lua_load(), lua_newthread(), lua_pushthread(), lua_setallocf(), lua_setglobal(), lua_setmetatable(), lua_version(), lua_xmove(), lua_yieldk(), luaC_barrier_(), luaC_barrierback_(), luaC_barrierproto_(), luaC_changemode(), luaC_checkfinalizer(), luaC_forcestep(), luaC_freeallobjects(), luaC_fullgc(), luaC_newobj(), luaC_runtilstate(), luaC_step(), luaD_throw(), luaF_close(), luaF_findupval(), luaM_realloc_(), luaS_newlstr(), luaS_resize(), luaT_gettmbyobj(), luaT_init(), luaV_concat(), newshrstr(), preinit_state(), separatetobefnz(), seterrorobj(), singlestep(), sweeplist(), and sweepthread().

#define gch

(

o

)

(&(o)->gch)

Definition at line 196 of file lstate.h.

Referenced by freeobj(), internshrstr(), luaC_barrier_(), luaC_barrierback_(), luaC_checkfinalizer(), luaC_newobj(), luaF_close(), luaS_resize(), markbeingfnz(), propagatemark(), reallymarkobject(), separatetobefnz(), sweeplist(), and udata2finalize().

#define gco2ccl

(

o

)

check_exp((o)->gch.tt == LUA_TCCL, &((o)->cl.c))

Definition at line 205 of file lstate.h.

Referenced by freeobj(), propagatemark(), and reallymarkobject().

#define gco2cl

(

o

)

check_exp(novariant((o)->gch.tt) == LUA_TFUNCTION, &((o)->cl))

Definition at line 206 of file lstate.h.

#define gco2lcl

(

o

)

check_exp((o)->gch.tt == LUA_TLCL, &((o)->cl.l))

Definition at line 204 of file lstate.h.

Referenced by freeobj(), propagatemark(), and reallymarkobject().

#define gco2p

(

o

)

check_exp((o)->gch.tt == LUA_TPROTO, &((o)->p))

Definition at line 209 of file lstate.h.

Referenced by freeobj(), propagatemark(), and reallymarkobject().

#define gco2t

(

o

)

check_exp((o)->gch.tt == LUA_TTABLE, &((o)->h))

Definition at line 208 of file lstate.h.

Referenced by clearkeys(), clearvalues(), convergeephemerons(), freeobj(), luaC_barrierback_(), propagatemark(), and reallymarkobject().

#define gco2th

(

o

)

check_exp((o)->gch.tt == LUA_TTHREAD, &((o)->th))

Definition at line 211 of file lstate.h.

Referenced by freeobj(), propagatemark(), reallymarkobject(), and sweeplist().

#define gco2ts

(

o

)

(&rawgco2ts(o)->tsv)

Definition at line 201 of file lstate.h.

Referenced by freeobj(), luaS_resize(), and reallymarkobject().

#define gco2u

(

o

)

(&rawgco2u(o)->uv)

Definition at line 203 of file lstate.h.

Referenced by freeobj(), and reallymarkobject().

#define gco2uv

(

o

)

check_exp((o)->gch.tt == LUA_TUPVAL, &((o)->uv))

Definition at line 210 of file lstate.h.

Referenced by correctstack(), freeobj(), luaF_close(), luaF_findupval(), and reallymarkobject().

#define gettotalbytes

(

g

)

((g)->totalbytes + (g)->GCdebt)

Definition at line 218 of file lstate.h.

Referenced by close_state(), generationalcollection(), lua_gc(), luaC_changemode(), luaC_fullgc(), and setpause().

#define isLua

(

ci

)

((ci)->callstatus & CIST_LUA)

Definition at line 105 of file lstate.h.

Referenced by addinfo(), auxgetinfo(), callhook(), callTM(), correctstack(), currentpc(), findlocal(), lua_callk(), lua_pcallk(), lua_sethook(), lua_yieldk(), luaG_typeerror(), luaV_execute(), resume(), and unroll().

#define KGC_EMERGENCY   1 /* gc was forced by an allocation failure */

Definition at line 54 of file lstate.h.

Referenced by checkSizes(), luaC_fullgc(), and sweepthread().

#define KGC_GEN   2 /* generational collection */

Definition at line 55 of file lstate.h.

Referenced by lua_gc(), luaC_changemode(), and luaC_fullgc().

#define KGC_NORMAL   0

Definition at line 53 of file lstate.h.

Referenced by lua_gc(), lua_newstate(), luaC_changemode(), luaC_freeallobjects(), and luaC_fullgc().

#define obj2gco

(

v

)

(cast(GCObject *, (v)))

Definition at line 214 of file lstate.h.

Referenced by atomic(), aux_upvalue(), luaC_barrierproto_(), luaC_checkupvalcolor(), luaC_newobj(), luaF_close(), luaF_findupval(), luaH_newkey(), luaV_execute(), luaV_settable(), remarkupvals(), singlestep(), traverseproto(), and traversetable().

#define rawgco2ts

(

o

)

check_exp(novariant((o)->gch.tt) == LUA_TSTRING, &((o)->ts))

Definition at line 199 of file lstate.h.

Referenced by internshrstr().

#define rawgco2u

(

o

)

check_exp((o)->gch.tt == LUA_TUSERDATA, &((o)->u))

Definition at line 202 of file lstate.h.

Typedef Documentation

typedef struct CallInfo CallInfo

typedef struct global_State global_State

typedef struct stringtable stringtable

Function Documentation

LUAI_FUNC CallInfo* luaE_extendCI

(

lua_State *

L

)

Definition at line 111 of file lstate.cpp.

References lua_State::ci, lua_assert, luaM_new, CallInfo::next, and CallInfo::previous.

LUAI_FUNC void luaE_freeCI

(

lua_State *

L

)

Definition at line 121 of file lstate.cpp.

References lua_State::ci, luaM_free, next, and CallInfo::next.

Referenced by freestack(), and sweepthread().

LUAI_FUNC void luaE_freethread	(	lua_State *	L,
		lua_State *	L1
	)

Definition at line 255 of file lstate.cpp.

References freestack(), fromstate, lua_assert, luaF_close(), luai_userstatefree, luaM_free, lua_State::openupval, and lua_State::stack.

Referenced by freeobj().

LUAI_FUNC void luaE_setdebt	(	global_State *	g,
		l_mem	debt
	)

Definition at line 105 of file lstate.cpp.

References global_State::GCdebt, and global_State::totalbytes.

Referenced by incstep(), lua_gc(), luaC_step(), and setpause().