ldo.c File Reference

#include <setjmp.h>
#include <stdlib.h>
#include <string.h>
#include "lua.h"
#include "ldebug.h"
#include "ldo.h"
#include "lfunc.h"
#include "lgc.h"
#include "lmem.h"
#include "lobject.h"
#include "lopcodes.h"
#include "lparser.h"
#include "lstate.h"
#include "lstring.h"
#include "ltable.h"
#include "ltm.h"
#include "lundump.h"
#include "lvm.h"
#include "lzio.h"

Include dependency graph for ldo.c:

Go to the source code of this file.

Data Structures
struct	lua_longjmp
struct	SParser
Defines
#define	ldo_c
#define	LUA_CORE
#define	inc_ci(L)
Functions
void	luaD_seterrorobj (lua_State *L, int errcode, StkId oldtop)
static void	restore_stack_limit (lua_State *L)
static void	resetstack (lua_State *L, int status)
void	luaD_throw (lua_State *L, int errcode)
int	luaD_rawrunprotected (lua_State L, Pfunc f, void ud)
static void	correctstack (lua_State L, TValue oldstack)
void	luaD_reallocstack (lua_State *L, int newsize)
void	luaD_reallocCI (lua_State *L, int newsize)
void	luaD_growstack (lua_State *L, int n)
static CallInfo *	growCI (lua_State *L)
void	luaD_callhook (lua_State *L, int event, int line)
static StkId	adjust_varargs (lua_State L, Proto p, int actual)
static StkId	tryfuncTM (lua_State *L, StkId func)
int	luaD_precall (lua_State *L, StkId func, int nresults)
static StkId	callrethooks (lua_State *L, StkId firstResult)
int	luaD_poscall (lua_State *L, StkId firstResult)
void	luaD_call (lua_State *L, StkId func, int nResults)
static void	resume (lua_State L, void ud)
static int	resume_error (lua_State L, const char msg)
LUA_API int	lua_resume (lua_State *L, int nargs)
LUA_API int	lua_yield (lua_State *L, int nresults)
int	luaD_pcall (lua_State L, Pfunc func, void u, ptrdiff_t old_top, ptrdiff_t ef)
static void	f_parser (lua_State L, void ud)
int	luaD_protectedparser (lua_State L, ZIO z, const char *name)

Define Documentation

#define inc_ci ( L )

Value:

((L->ci == L->end_ci) ? growCI(L) : \
   (condhardstacktests(luaD_reallocCI(L, L->size_ci)), ++L->ci))

Definition at line 259 of file ldo.c.

Referenced by luaD_precall().

#define ldo_c

Definition at line 12 of file ldo.c.

#define LUA_CORE

Definition at line 13 of file ldo.c.

Function Documentation

static StkId adjust_varargs	(	lua_State *	L,
		Proto *	p,
		int	actual
	)			`[static]`

Definition at line 208 of file ldo.c.

References cast_num, i, Proto::is_vararg, iswhite, luaC_checkGC, luaH_new(), luaH_setnum(), luaH_setstr(), luaS_newliteral, Proto::numparams, obj2gco, sethvalue, setnilvalue, setnvalue, setobj2n, setobjs2s, lua_State::top, VARARG_HASARG, and VARARG_NEEDSARG.

Referenced by luaD_precall().

static StkId callrethooks	(	lua_State *	L,
		StkId	firstResult
	)			`[static]`

Definition at line 331 of file ldo.c.

References lua_State::ci, f_isLua, lua_State::hookmask, LUA_HOOKRET, LUA_HOOKTAILRET, LUA_MASKRET, luaD_callhook(), restorestack, savestack, and CallInfo::tailcalls.

Referenced by luaD_poscall().

static void correctstack	(	lua_State *	L,
		TValue *	oldstack
	)			`[static]`

Definition at line 126 of file ldo.c.

References lua_State::base, CallInfo::base, lua_State::base_ci, CallInfo::func, GCObject::gch, gco2uv, lua_State::openupval, lua_State::stack, CallInfo::top, and lua_State::top.

Referenced by luaD_reallocstack().

static void f_parser	(	lua_State *	L,
		void *	ud
	)			`[static]`

Definition at line 490 of file ldo.c.

References SParser::buff, cl, gt, hvalue, i, incr_top, Closure::l, LUA_SIGNATURE, luaC_checkGC, luaF_newLclosure(), luaF_newupval(), luaU_undump(), luaY_parser(), luaZ_lookahead(), SParser::name, Proto::nups, LClosure::p, setclvalue, lua_State::top, LClosure::upvals, and SParser::z.

Referenced by luaD_protectedparser().

static CallInfo* growCI ( lua_State * L ) [static]

Definition at line 169 of file ldo.c.

References lua_State::ci, LUA_ERRERR, luaD_reallocCI(), luaD_throw(), luaG_runerror(), LUAI_MAXCALLS, and lua_State::size_ci.

LUA_API int lua_resume	(	lua_State *	L,
		int	nargs
	)

Definition at line 417 of file ldo.c.

References lua_State::base_ci, lua_State::baseCcalls, cast_byte, lua_State::ci, lua_State::errfunc, LUA_YIELD, luaD_rawrunprotected(), luaD_seterrorobj(), LUAI_MAXCCALLS, luai_userstateresume, lua_State::nCcalls, resume(), resume_error(), lua_State::status, lua_longjmp::status, CallInfo::top, and lua_State::top.

Referenced by auxresume().

LUA_API int lua_yield	(	lua_State *	L,
		int	nresults
	)

Definition at line 443 of file ldo.c.

References lua_State::base, lua_State::baseCcalls, LUA_YIELD, luaG_runerror(), luai_userstateyield, lua_State::nCcalls, lua_State::status, and lua_State::top.

Referenced by luaB_yield().

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

Definition at line 369 of file ldo.c.

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

Referenced by callTM(), callTMres(), f_call(), f_Ccall(), GCTM(), lua_call(), luaG_errormsg(), and luaV_execute().

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

Definition at line 181 of file ldo.c.

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_HOOKTAILRET, LUA_MINSTACK, luaD_checkstack, restorestack, savestack, lua_State::stack_last, CallInfo::top, and lua_State::top.

Referenced by callrethooks(), luaD_precall(), and traceexec().

void luaD_growstack	(	lua_State *	L,
		int	n
	)

Definition at line 161 of file ldo.c.

References luaD_reallocstack(), and lua_State::stacksize.

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

Definition at line 455 of file ldo.c.

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.

Referenced by lua_cpcall(), lua_pcall(), and luaD_protectedparser().

int luaD_poscall	(	lua_State *	L,
		StkId	firstResult
	)

Definition at line 342 of file ldo.c.

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

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

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

Definition at line 264 of file ldo.c.

References adjust_varargs(), CallInfo::base, lua_State::base, cast_int, lua_State::ci, cl, clvalue, Proto::code, curr_func, CallInfo::func, lua_State::hookmask, inc_ci, Proto::is_vararg, LUA_HOOKCALL, LUA_MASKCALL, LUA_MINSTACK, 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, st, lua_State::stack_last, CallInfo::tailcalls, CallInfo::top, lua_State::top, tryfuncTM(), and ttisfunction.

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

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

Definition at line 508 of file ldo.c.

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

Referenced by lua_load().

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

Definition at line 111 of file ldo.c.

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

Referenced by lua_close(), lua_newstate(), lua_resume(), and luaD_pcall().

void luaD_reallocCI	(	lua_State *	L,
		int	newsize
	)

Definition at line 152 of file ldo.c.

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

Referenced by checkstacksizes(), growCI(), and restore_stack_limit().

void luaD_reallocstack	(	lua_State *	L,
		int	newsize
	)

Definition at line 141 of file ldo.c.

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

Referenced by checkstacksizes(), and luaD_growstack().

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

Definition at line 51 of file ldo.c.

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

Referenced by lua_resume(), luaD_pcall(), and resetstack().

void luaD_throw	(	lua_State *	L,
		int	errcode
	)

Definition at line 94 of file ldo.c.

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

Referenced by error(), growCI(), luaD_call(), luaG_errormsg(), luaM_realloc_(), and luaX_lexerror().

static void resetstack	(	lua_State *	L,
		int	status
	)			`[static]`

Definition at line 81 of file ldo.c.

References lua_State::allowhook, CallInfo::base, lua_State::base, lua_State::base_ci, lua_State::baseCcalls, lua_State::ci, lua_State::errfunc, lua_State::errorJmp, luaD_seterrorobj(), luaF_close(), lua_State::nCcalls, and restore_stack_limit().

Referenced by luaD_throw().

static void restore_stack_limit ( lua_State * L ) [static]

Definition at line 71 of file ldo.c.

References lua_State::base_ci, cast_int, lua_State::ci, EXTRA_STACK, luaD_reallocCI(), LUAI_MAXCALLS, lua_State::size_ci, lua_State::stack, lua_State::stack_last, and lua_State::stacksize.

Referenced by luaD_pcall(), and resetstack().

static void resume	(	lua_State *	L,
		void *	ud
	)			`[static]`

Definition at line 383 of file ldo.c.

References CallInfo::base, lua_State::base, lua_State::base_ci, cast_int, lua_State::ci, f_isLua, GET_OPCODE, LUA_MULTRET, LUA_YIELD, luaD_poscall(), luaD_precall(), luaV_execute(), OP_CALL, OP_TAILCALL, PCRLUA, lua_State::status, CallInfo::top, and lua_State::top.

Referenced by lua_resume().

static int resume_error	(	lua_State *	L,
		const char *	msg
	)			`[static]`

Definition at line 408 of file ldo.c.

References CallInfo::base, lua_State::ci, incr_top, LUA_ERRRUN, luaS_new, setsvalue2s, and lua_State::top.

Referenced by lua_resume().

static StkId tryfuncTM	(	lua_State *	L,
		StkId	func
	)			`[static]`

Definition at line 243 of file ldo.c.

References incr_top, luaG_typeerror(), luaT_gettmbyobj(), restorestack, savestack, setobj2s, setobjs2s, TM_CALL, lua_State::top, and ttisfunction.

Referenced by luaD_precall().

ldo.c File Reference

Data Structures

Defines

Functions

Define Documentation

Function Documentation