ldo.h File Reference

#include "lobject.h"
#include "lstate.h"
#include "lzio.h"

Go to the source code of this file.

Defines
#define	luaD_checkstack(L, n)
#define	incr_top(L)   {luaD_checkstack(L,1); L->top++;}
#define	savestack(L, p)   ((char *)(p) - (char *)L->stack)
#define	restorestack(L, n)   ((TValue *)((char *)L->stack + (n)))
#define	saveci(L, p)   ((char *)(p) - (char *)L->base_ci)
#define	restoreci(L, n)   ((CallInfo *)((char *)L->base_ci + (n)))
#define	PCRLUA   0
#define	PCRC   1
#define	PCRYIELD   2
Typedefs
typedef void(*	Pfunc )(lua_State *L, void *ud)
Functions
LUAI_FUNC int	luaD_protectedparser (lua_State *L, ZIO *z, const char *name)
LUAI_FUNC void	luaD_callhook (lua_State *L, int event, int line)
LUAI_FUNC int	luaD_precall (lua_State *L, StkId func, int nresults)
LUAI_FUNC void	luaD_call (lua_State *L, StkId func, int nResults)
LUAI_FUNC int	luaD_pcall (lua_State *L, Pfunc func, void *u, ptrdiff_t oldtop, ptrdiff_t ef)
LUAI_FUNC int	luaD_poscall (lua_State *L, StkId firstResult)
LUAI_FUNC void	luaD_reallocCI (lua_State *L, int newsize)
LUAI_FUNC void	luaD_reallocstack (lua_State *L, int newsize)
LUAI_FUNC void	luaD_growstack (lua_State *L, int n)
LUAI_FUNC void	luaD_throw (lua_State *L, int errcode)
LUAI_FUNC int	luaD_rawrunprotected (lua_State *L, Pfunc f, void *ud)
LUAI_FUNC void	luaD_seterrorobj (lua_State *L, int errcode, StkId oldtop)

---

Define Documentation

#define incr_top

(

L

)

{luaD_checkstack(L,1); L->top++;}

Definition at line 22 of file ldo.h.

Referenced by collectvalidlines(), combine(), f_parser(), LoadFunction(), lua_getinfo(), luaG_errormsg(), luaO_pushvfstring(), open_func(), pushstr(), resume_error(), and tryfuncTM().

#define luaD_checkstack	(	L,
		n		)

Value:

if ((char *)L->stack_last - (char *)L->top <= (n)*(int)sizeof(TValue)) \
    luaD_growstack(L, n); \
  else condhardstacktests(luaD_reallocstack(L, L->stacksize - EXTRA_STACK - 1));

Definition at line 16 of file ldo.h.

Referenced by callTM(), callTMres(), lua_checkstack(), luaD_callhook(), and luaD_precall().

#define PCRC   1

Definition at line 33 of file ldo.h.

Referenced by luaD_precall().

#define PCRLUA   0

Definition at line 32 of file ldo.h.

Referenced by luaD_call(), luaD_precall(), and resume().

#define PCRYIELD   2

Definition at line 34 of file ldo.h.

Referenced by luaD_precall().

#define restoreci	(	L,
		n		)	((CallInfo *)((char *)L->base_ci + (n)))

Definition at line 28 of file ldo.h.

Referenced by luaD_pcall().

#define restorestack	(	L,
		n		)	((TValue *)((char *)L->stack + (n)))

Definition at line 25 of file ldo.h.

Referenced by callrethooks(), callTMres(), luaD_callhook(), luaD_pcall(), luaD_precall(), luaG_errormsg(), and tryfuncTM().

#define saveci	(	L,
		p		)	((char *)(p) - (char *)L->base_ci)

Definition at line 27 of file ldo.h.

Referenced by luaD_pcall().

#define savestack	(	L,
		p		)	((char *)(p) - (char *)L->stack)

Definition at line 24 of file ldo.h.

Referenced by callrethooks(), callTMres(), lua_cpcall(), lua_pcall(), luaD_callhook(), luaD_precall(), luaD_protectedparser(), and tryfuncTM().

---

Typedef Documentation

typedef void(* Pfunc)(lua_State *L, void *ud)

Definition at line 38 of file ldo.h.

---

Function Documentation

LUAI_FUNC void luaD_call	(	lua_State *	L,
		StkId	func,
		int	nResults
	)

Definition at line 369 of file ldo.cpp.

References LUA_ERRERR, luaC_checkGC, luaD_precall(), luaD_throw(), luaG_runerror(), LUAI_MAXCCALLS, luaV_execute(), lua_State::nCcalls, and PCRLUA.

LUAI_FUNC void luaD_callhook	(	lua_State *	L,
		int	event,
		int	line
	)

Definition at line 181 of file ldo.cpp.

References lua_State::allowhook, lua_State::base_ci, cast_int, lua_State::ci, lua_Debug::currentline, lua_Debug::event, lua_State::hook, lua_Debug::i_ci, lua_assert, LUA_HOOKTAILRET, lua_lock, LUA_MINSTACK, lua_unlock, luaD_checkstack, restorestack, savestack, lua_State::stack_last, CallInfo::top, and lua_State::top.

LUAI_FUNC void luaD_growstack	(	lua_State *	L,
		int	n
	)

Definition at line 161 of file ldo.cpp.

References luaD_reallocstack(), and lua_State::stacksize.

LUAI_FUNC int luaD_pcall	(	lua_State *	L,
		Pfunc	func,
		void *	u,
		ptrdiff_t	oldtop,
		ptrdiff_t	ef
	)

Definition at line 453 of file ldo.cpp.

References lua_State::allowhook, CallInfo::base, lua_State::base, lua_State::ci, lua_State::errfunc, luaD_rawrunprotected(), luaD_seterrorobj(), luaF_close(), lua_State::nCcalls, restore_stack_limit(), restoreci, restorestack, saveci, CallInfo::savedpc, lua_State::savedpc, and lua_longjmp::status.

LUAI_FUNC int luaD_poscall	(	lua_State *	L,
		StkId	firstResult
	)

Definition at line 342 of file ldo.cpp.

References lua_State::base, callrethooks(), lua_State::ci, CallInfo::func, lua_State::hookmask, LUA_MASKRET, LUA_MULTRET, CallInfo::nresults, lua_State::savedpc, setnilvalue, setobjs2s, and lua_State::top.

LUAI_FUNC int luaD_precall	(	lua_State *	L,
		StkId	func,
		int	nresults
	)

Definition at line 264 of file ldo.cpp.

References adjust_varargs(), CallInfo::base, lua_State::base, cast_int, lua_State::ci, clvalue, Proto::code, curr_func, CallInfo::func, lua_State::hookmask, inc_ci, Proto::is_vararg, lua_assert, LUA_HOOKCALL, lua_lock, LUA_MASKCALL, LUA_MINSTACK, lua_unlock, luaD_callhook(), luaD_checkstack, luaD_poscall(), Proto::maxstacksize, CallInfo::nresults, Proto::numparams, LClosure::p, PCRC, PCRLUA, PCRYIELD, restorestack, lua_State::savedpc, CallInfo::savedpc, savestack, setnilvalue, lua_State::stack_last, CallInfo::tailcalls, CallInfo::top, lua_State::top, tryfuncTM(), and ttisfunction.

LUAI_FUNC int luaD_protectedparser	(	lua_State *	L,
		ZIO *	z,
		const char *	name
	)

Definition at line 506 of file ldo.cpp.

References SParser::buff, lua_State::errfunc, f_parser(), luaD_pcall(), luaZ_freebuffer, luaZ_initbuffer, SParser::name, savestack, lua_State::top, and SParser::z.

LUAI_FUNC int luaD_rawrunprotected	(	lua_State *	L,
		Pfunc	f,
		void *	ud
	)

Definition at line 111 of file ldo.cpp.

References lua_State::errorJmp, LUAI_TRY, lua_longjmp::previous, and lua_longjmp::status.

LUAI_FUNC void luaD_reallocCI	(	lua_State *	L,
		int	newsize
	)

Definition at line 152 of file ldo.cpp.

References lua_State::base_ci, lua_State::ci, lua_State::end_ci, luaM_reallocvector, and lua_State::size_ci.

LUAI_FUNC void luaD_reallocstack	(	lua_State *	L,
		int	newsize
	)

Definition at line 141 of file ldo.cpp.

References correctstack(), EXTRA_STACK, lua_assert, luaM_reallocvector, lua_State::stack, lua_State::stack_last, and lua_State::stacksize.

LUAI_FUNC void luaD_seterrorobj	(	lua_State *	L,
		int	errcode,
		StkId	oldtop
	)

Definition at line 51 of file ldo.cpp.

References LUA_ERRERR, LUA_ERRMEM, LUA_ERRRUN, LUA_ERRSYNTAX, luaS_newliteral, MEMERRMSG, setobjs2s, setsvalue2s, and lua_State::top.

LUAI_FUNC void luaD_throw	(	lua_State *	L,
		int	errcode
	)

Definition at line 94 of file ldo.cpp.

References cast_byte, lua_State::errorJmp, G, lua_unlock, LUAI_THROW, panic(), resetstack(), lua_State::status, and lua_longjmp::status.

---