ldebug.cpp File Reference

#include "lprefix.h"
#include <stdarg.h>
#include <stddef.h>
#include <string.h>
#include "lua.h"
#include "lapi.h"
#include "lcode.h"
#include "ldebug.h"
#include "ldo.h"
#include "lfunc.h"
#include "lobject.h"
#include "lopcodes.h"
#include "lstate.h"
#include "lstring.h"
#include "ltable.h"
#include "ltm.h"
#include "lvm.h"

Include dependency graph for ldebug.cpp:

Go to the source code of this file.

Macros
#define	ldebug_c
#define	LUA_CORE
#define	noLuaClosure(f)   ((f) == NULL || (f)->c.tt == LUA_VCCL)
#define	invpcRel(pc, p)   ((p)->code + (pc) + 1)

Functions
static const char *	funcnamefromcode (lua_State *L, CallInfo *ci, const char **name)
static int	currentpc (CallInfo *ci)
static int	getbaseline (const Proto *f, int pc, int *basepc)
int	luaG_getfuncline (const Proto *f, int pc)
static int	getcurrentline (CallInfo *ci)
static void	settraps (CallInfo *ci)
LUA_API void	lua_sethook (lua_State *L, lua_Hook func, int mask, int count)
LUA_API lua_Hook	lua_gethook (lua_State *L)
LUA_API int	lua_gethookmask (lua_State *L)
LUA_API int	lua_gethookcount (lua_State *L)
LUA_API int	lua_getstack (lua_State *L, int level, lua_Debug *ar)
static const char *	upvalname (const Proto *p, int uv)
static const char *	findvararg (CallInfo *ci, int n, StkId *pos)
const char *	luaG_findlocal (lua_State *L, CallInfo *ci, int n, StkId *pos)
LUA_API const char *	lua_getlocal (lua_State *L, const lua_Debug *ar, int n)
LUA_API const char *	lua_setlocal (lua_State *L, const lua_Debug *ar, int n)
static void	funcinfo (lua_Debug *ar, Closure *cl)
static int	nextline (const Proto *p, int currentline, int pc)
static void	collectvalidlines (lua_State *L, Closure *f)
static const char *	getfuncname (lua_State *L, CallInfo *ci, const char **name)
static int	auxgetinfo (lua_State *L, const char *what, lua_Debug *ar, Closure *f, CallInfo *ci)
LUA_API int	lua_getinfo (lua_State *L, const char *what, lua_Debug *ar)
static const char *	getobjname (const Proto *p, int lastpc, int reg, const char **name)
static void	kname (const Proto *p, int c, const char **name)
static void	rname (const Proto *p, int pc, int c, const char **name)
static void	rkname (const Proto *p, int pc, Instruction i, const char **name)
static int	filterpc (int pc, int jmptarget)
static int	findsetreg (const Proto *p, int lastpc, int reg)
static const char *	gxf (const Proto *p, int pc, Instruction i, int isup)
static int	isinstack (CallInfo *ci, const TValue *o)
static const char *	getupvalname (CallInfo *ci, const TValue *o, const char **name)
static const char *	varinfo (lua_State *L, const TValue *o)
l_noret	luaG_typeerror (lua_State *L, const TValue *o, const char *op)
l_noret	luaG_forerror (lua_State *L, const TValue *o, const char *what)
l_noret	luaG_concaterror (lua_State *L, const TValue *p1, const TValue *p2)
l_noret	luaG_opinterror (lua_State *L, const TValue *p1, const TValue *p2, const char *msg)
l_noret	luaG_tointerror (lua_State *L, const TValue *p1, const TValue *p2)
l_noret	luaG_ordererror (lua_State *L, const TValue *p1, const TValue *p2)
const char *	luaG_addinfo (lua_State *L, const char *msg, TString *src, int line)
l_noret	luaG_errormsg (lua_State *L)
l_noret	luaG_runerror (lua_State *L, const char *fmt,...)
static int	changedline (const Proto *p, int oldpc, int newpc)
int	luaG_traceexec (lua_State *L, const Instruction *pc)

Macro Definition Documentation

invpcRel

#define invpcRel	(		pc,
			p
	)		((p)->code + (pc) + 1)

Definition at line 37 of file ldebug.cpp.

Referenced by luaG_traceexec().

ldebug_c

#define ldebug_c

Definition at line 7 of file ldebug.cpp.

LUA_CORE

#define LUA_CORE

Definition at line 8 of file ldebug.cpp.

noLuaClosure

#define noLuaClosure

(

f

)

((f) == NULL || (f)->c.tt == LUA_VCCL)

Definition at line 34 of file ldebug.cpp.

Referenced by auxgetinfo(), collectvalidlines(), and funcinfo().

Function Documentation

auxgetinfo()

static int auxgetinfo ( lua_State *  L, const char *  what, lua_Debug *  ar, Closure *  f, CallInfo *  ci  )

static

Definition at line 330 of file ldebug.cpp.

References Closure::c, CallInfo::callstatus, CIST_TAIL, CIST_TRAN, lua_Debug::currentline, lua_Debug::ftransfer, funcinfo(), getcurrentline(), getfuncname(), Proto::is_vararg, isLua, lua_Debug::istailcall, lua_Debug::isvararg, Closure::l, lua_Debug::name, lua_Debug::namewhat, noLuaClosure, lua_Debug::nparams, lua_Debug::ntransfer, Proto::numparams, lua_Debug::nups, LClosure::p, CallInfo::transferinfo, and CallInfo::u2.

Referenced by lua_getinfo().

changedline()

static int changedline ( const Proto *  p, int  oldpc, int  newpc  )

static

Definition at line 785 of file ldebug.cpp.

References Proto::lineinfo, and luaG_getfuncline().

Referenced by luaG_traceexec().

collectvalidlines()

static void collectvalidlines ( lua_State *  L, Closure *  f  )

static

Definition at line 294 of file ldebug.cpp.

References api_incr_top, i, Closure::l, Proto::linedefined, luaH_new(), luaH_setint(), nextline(), noLuaClosure, p, LClosure::p, s2v, setbtvalue, sethvalue2s, setnilvalue, Proto::sizelineinfo, t, and lua_State::top.

Referenced by lua_getinfo().

currentpc()

static int currentpc ( CallInfo *  ci )

static

Definition at line 43 of file ldebug.cpp.

References ci_func, isLua, CallInfo::l, lua_assert, p, pcRel, and CallInfo::u.

Referenced by funcnamefromcode(), getcurrentline(), luaG_findlocal(), and varinfo().

filterpc()

static int filterpc ( int  pc, int  jmptarget  )

static

Definition at line 458 of file ldebug.cpp.

Referenced by findsetreg().

findsetreg()

static int findsetreg ( const Proto *  p, int  lastpc, int  reg  )

static

Definition at line 468 of file ldebug.cpp.

References a, b, Proto::code, filterpc(), GET_OPCODE, GETARG_A, GETARG_B, GETARG_sJ, i, OP_CALL, OP_JMP, OP_LOADNIL, OP_TAILCALL, OP_TFORCALL, testAMode, and testMMMode.

Referenced by getobjname().

findvararg()

static const char* findvararg ( CallInfo *  ci, int  n, StkId *  pos  )

static

Definition at line 188 of file ldebug.cpp.

References clLvalue, CallInfo::func, CallInfo::l, s2v, and CallInfo::u.

Referenced by luaG_findlocal().

funcinfo()

static void funcinfo ( lua_Debug *  ar, Closure *  cl  )

static

Definition at line 260 of file ldebug.cpp.

References getstr, Closure::l, lua_Debug::lastlinedefined, Proto::lastlinedefined, lua_Debug::linedefined, Proto::linedefined, LL, luaO_chunkid(), noLuaClosure, p, LClosure::p, lua_Debug::short_src, lua_Debug::source, Proto::source, lua_Debug::srclen, tsslen, and lua_Debug::what.

Referenced by auxgetinfo().

funcnamefromcode()

static const char * funcnamefromcode ( lua_State *  L, CallInfo *  ci, const char **  name  )

static

Definition at line 597 of file ldebug.cpp.

References CallInfo::callstatus, cast, ci_func, CIST_HOOKED, Proto::code, currentpc(), G, GET_OPCODE, GETARG_A, GETARG_C, getobjname(), getstr, i, OP_BNOT, OP_CALL, OP_CLOSE, OP_CONCAT, OP_EQ, OP_GETFIELD, OP_GETI, OP_GETTABLE, OP_GETTABUP, OP_LE, OP_LEI, OP_LEN, OP_LT, OP_LTI, OP_MMBIN, OP_MMBINI, OP_MMBINK, OP_RETURN, OP_SELF, OP_SETFIELD, OP_SETI, OP_SETTABLE, OP_SETTABUP, OP_TAILCALL, OP_TFORCALL, OP_UNM, TM_BNOT, TM_CONCAT, TM_EQ, TM_INDEX, TM_LEN, TM_NEWINDEX, and TM_UNM.

Referenced by getfuncname().

getbaseline()

static int getbaseline ( const Proto *  f, int  pc, int *  basepc  )

static

Definition at line 56 of file ldebug.cpp.

References Proto::abslineinfo, i, AbsLineInfo::line, Proto::linedefined, AbsLineInfo::pc, and Proto::sizeabslineinfo.

Referenced by luaG_getfuncline().

getcurrentline()

static int getcurrentline ( CallInfo *  ci )

static

Definition at line 102 of file ldebug.cpp.

References ci_func, currentpc(), luaG_getfuncline(), and p.

Referenced by auxgetinfo(), and luaG_runerror().

getfuncname()

static const char* getfuncname ( lua_State *  L, CallInfo *  ci, const char **  name  )

static

Definition at line 316 of file ldebug.cpp.

References CallInfo::callstatus, CIST_FIN, CIST_TAIL, funcnamefromcode(), isLua, and CallInfo::previous.

Referenced by auxgetinfo().

getobjname()

static const char * getobjname ( const Proto *  p, int  lastpc, int  reg, const char **  name  )

static

Definition at line 529 of file ldebug.cpp.

References b, Proto::code, findsetreg(), GET_OPCODE, GETARG_A, GETARG_Ax, GETARG_B, GETARG_Bx, GETARG_C, gxf(), i, Proto::k, kname(), luaF_getlocalname(), OP_GETFIELD, OP_GETI, OP_GETTABLE, OP_GETTABUP, OP_GETUPVAL, OP_LOADK, OP_LOADKX, OP_MOVE, OP_SELF, rkname(), rname(), svalue, ttisstring, and upvalname().

Referenced by funcnamefromcode(), gxf(), lua_getinfo(), rname(), and varinfo().

getupvalname()

static const char* getupvalname ( CallInfo *  ci, const TValue *  o, const char **  name  )

static

Definition at line 666 of file ldebug.cpp.

References c, ci_func, i, LClosure::p, upvalname(), LClosure::upvals, and UpVal::v.

Referenced by varinfo().

gxf()

static const char* gxf ( const Proto *  p, int  pc, Instruction  i, int  isup  )

static

Definition at line 518 of file ldebug.cpp.

References GETARG_B, getobjname(), LUA_ENV, t, and upvalname().

Referenced by getobjname().

isinstack()

static int isinstack ( CallInfo *  ci, const TValue *  o  )

static

Definition at line 654 of file ldebug.cpp.

References cast, CallInfo::func, i, s2v, and CallInfo::top.

Referenced by varinfo().

kname()

static void kname ( const Proto *  p, int  c, const char **  name  )

static

Definition at line 430 of file ldebug.cpp.

References c, Proto::k, svalue, and ttisstring.

Referenced by getobjname(), and rkname().

lua_gethook()

LUA_API lua_Hook lua_gethook

(

lua_State *

L

)

Definition at line 149 of file ldebug.cpp.

References lua_State::hook.

Referenced by db_gethook().

lua_gethookcount()

LUA_API int lua_gethookcount

(

lua_State *

L

)

Definition at line 159 of file ldebug.cpp.

References lua_State::basehookcount.

Referenced by db_gethook().

lua_gethookmask()

LUA_API int lua_gethookmask

(

lua_State *

L

)

Definition at line 154 of file ldebug.cpp.

References lua_State::hookmask.

Referenced by db_gethook().

lua_getinfo()

LUA_API int lua_getinfo	(	lua_State *	L,
		const char *	what,
		lua_Debug *	ar
	)

Definition at line 386 of file ldebug.cpp.

References api_check, api_incr_top, auxgetinfo(), clvalue, collectvalidlines(), CallInfo::func, getobjname(), lua_Debug::i_ci, lua_assert, lua_lock, lua_unlock, p, s2v, setobj2s, lua_State::top, ttisclosure, and ttisfunction.

Referenced by db_getinfo(), lua_fileops::get_calling_file(), hookf(), luaL_argerror(), luaL_traceback(), luaL_where(), and pushglobalfuncname().

lua_getlocal()

LUA_API const char* lua_getlocal	(	lua_State *	L,
		const lua_Debug *	ar,
		int	n
	)

Definition at line 224 of file ldebug.cpp.

References api_incr_top, clLvalue, lua_Debug::i_ci, isLfunction, lua_lock, lua_unlock, luaF_getlocalname(), luaG_findlocal(), s2v, setobjs2s, and lua_State::top.

Referenced by db_getlocal().

lua_getstack()

LUA_API int lua_getstack	(	lua_State *	L,
		int	level,
		lua_Debug *	ar
	)

Definition at line 164 of file ldebug.cpp.

References lua_State::base_ci, lua_State::ci, lua_Debug::i_ci, lua_lock, lua_unlock, and CallInfo::previous.

Referenced by auxstatus(), db_getinfo(), db_getlocal(), db_setlocal(), lua_fileops::get_calling_file(), lastlevel(), luaL_argerror(), luaL_traceback(), and luaL_where().

lua_sethook()

LUA_API void lua_sethook	(	lua_State *	L,
		lua_Hook	func,
		int	mask,
		int	count
	)

Definition at line 135 of file ldebug.cpp.

References lua_State::basehookcount, cast_byte, lua_State::ci, lua_State::hook, lua_State::hookmask, resethookcount, and settraps().

Referenced by db_sethook().

lua_setlocal()

LUA_API const char* lua_setlocal	(	lua_State *	L,
		const lua_Debug *	ar,
		int	n
	)

Definition at line 246 of file ldebug.cpp.

References lua_Debug::i_ci, lua_lock, lua_unlock, luaG_findlocal(), setobjs2s, and lua_State::top.

Referenced by db_setlocal().

luaG_addinfo()

const char* luaG_addinfo	(	lua_State *	L,
		const char *	msg,
		TString *	src,
		int	line
	)

Definition at line 742 of file ldebug.cpp.

References getstr, LUA_IDSIZE, luaO_chunkid(), luaO_pushfstring(), and tsslen.

Referenced by lexerror(), and luaG_runerror().

luaG_concaterror()

l_noret luaG_concaterror	(	lua_State *	L,
		const TValue *	p1,
		const TValue *	p2
	)

Definition at line 706 of file ldebug.cpp.

References cvt2str, luaG_typeerror(), and ttisstring.

Referenced by luaT_tryconcatTM().

luaG_errormsg()

l_noret luaG_errormsg

(

lua_State *

L

)

Definition at line 754 of file ldebug.cpp.

References lua_State::errfunc, lua_assert, LUA_ERRRUN, luaD_callnoyield(), luaD_throw(), restorestack, s2v, setobjs2s, lua_State::top, and ttisfunction.

Referenced by lua_error(), and luaG_runerror().

luaG_findlocal()

const char* luaG_findlocal	(	lua_State *	L,
		CallInfo *	ci,
		int	n,
		StkId *	pos
	)

Definition at line 200 of file ldebug.cpp.

References lua_State::ci, ci_func, currentpc(), findvararg(), CallInfo::func, isLua, luaF_getlocalname(), CallInfo::next, p, and lua_State::top.

Referenced by lua_getlocal(), lua_setlocal(), and varerror().

luaG_forerror()

l_noret luaG_forerror	(	lua_State *	L,
		const TValue *	o,
		const char *	what
	)

Definition at line 700 of file ldebug.cpp.

References luaG_runerror(), and luaT_objtypename().

Referenced by forlimit(), and forprep().

luaG_getfuncline()

int luaG_getfuncline	(	const Proto *	f,
		int	pc
	)

Definition at line 87 of file ldebug.cpp.

References ABSLINEINFO, getbaseline(), Proto::lineinfo, and lua_assert.

Referenced by changedline(), getcurrentline(), luaG_traceexec(), and nextline().

luaG_opinterror()

l_noret luaG_opinterror	(	lua_State *	L,
		const TValue *	p1,
		const TValue *	p2,
		const char *	msg
	)

Definition at line 712 of file ldebug.cpp.

References luaG_typeerror(), and ttisnumber.

Referenced by luaT_trybinTM().

luaG_ordererror()

l_noret luaG_ordererror	(	lua_State *	L,
		const TValue *	p1,
		const TValue *	p2
	)

Definition at line 731 of file ldebug.cpp.

References luaG_runerror(), and luaT_objtypename().

Referenced by luaT_callorderTM().

luaG_runerror()

l_noret luaG_runerror	(	lua_State *	L,
		const char *	fmt,
			...
	)

Definition at line 767 of file ldebug.cpp.

References lua_State::ci, ci_func, getcurrentline(), isLua, luaC_checkGC, luaG_addinfo(), luaG_errormsg(), luaO_pushvfstring(), wfl::msg(), and Proto::source.

Referenced by findindex(), forprep(), lua_yieldk(), luaD_growstack(), luaE_checkcstack(), luaG_forerror(), luaG_ordererror(), luaG_tointerror(), luaG_typeerror(), luaH_newkey(), luaM_growaux_(), luaM_toobig(), luaO_pushvfstring(), luaV_concat(), luaV_finishget(), luaV_finishset(), luaV_idiv(), luaV_mod(), setnodevector(), and varerror().

luaG_tointerror()

l_noret luaG_tointerror	(	lua_State *	L,
		const TValue *	p1,
		const TValue *	p2
	)

Definition at line 723 of file ldebug.cpp.

References luaG_runerror(), tointegerns, and varinfo().

Referenced by luaT_trybinTM().

luaG_traceexec()

int luaG_traceexec	(	lua_State *	L,
		const Instruction *	pc
	)

Definition at line 807 of file ldebug.cpp.

References CallInfo::callstatus, changedline(), lua_State::ci, ci_func, CIST_HOOKYIELD, lua_State::hookcount, lua_State::hookmask, invpcRel, isIT, CallInfo::l, LUA_HOOKCOUNT, LUA_HOOKLINE, LUA_MASKCOUNT, LUA_MASKLINE, LUA_YIELD, luaD_hook(), luaD_throw(), luaG_getfuncline(), lua_State::oldpc, pcRel, resethookcount, Proto::sizecode, lua_State::status, CallInfo::top, lua_State::top, and CallInfo::u.

luaG_typeerror()

l_noret luaG_typeerror	(	lua_State *	L,
		const TValue *	o,
		const char *	op
	)

Definition at line 694 of file ldebug.cpp.

References luaG_runerror(), luaT_objtypename(), t, and varinfo().

Referenced by luaD_tryfuncTM(), luaG_concaterror(), luaG_opinterror(), luaV_finishget(), luaV_finishset(), and luaV_objlen().

nextline()

static int nextline ( const Proto *  p, int  currentline, int  pc  )

static

Definition at line 286 of file ldebug.cpp.

References ABSLINEINFO, Proto::lineinfo, and luaG_getfuncline().

Referenced by collectvalidlines().

rkname()

static void rkname ( const Proto *  p, int  pc, Instruction  i, const char **  name  )

static

Definition at line 449 of file ldebug.cpp.

References c, GETARG_C, GETARG_k, kname(), and rname().

Referenced by getobjname().

rname()

static void rname ( const Proto *  p, int  pc, int  c, const char **  name  )

static

Definition at line 439 of file ldebug.cpp.

References getobjname().

Referenced by getobjname(), and rkname().

settraps()

static void settraps ( CallInfo *  ci )

static

Definition at line 118 of file ldebug.cpp.

References isLua, CallInfo::l, CallInfo::previous, and CallInfo::u.

Referenced by lua_sethook().

upvalname()

static const char* upvalname ( const Proto *  p, int  uv  )

static

Definition at line 181 of file ldebug.cpp.

References check_exp, getstr, Upvaldesc::name, s, and Proto::upvalues.

Referenced by getobjname(), getupvalname(), and gxf().

varinfo()

static const char* varinfo ( lua_State *  L, const TValue *  o  )

static

Definition at line 680 of file ldebug.cpp.

References cast, cast_int, lua_State::ci, ci_func, currentpc(), CallInfo::func, getobjname(), getupvalname(), isinstack(), isLua, and luaO_pushfstring().

Referenced by luaG_tointerror(), and luaG_typeerror().