Browse Source

use a linear count for count hook

v5-2
Roberto Ierusalimschy 23 years ago
parent
commit
8e4ac679ff
  1. 13
      ldblib.c
  2. 13
      ldebug.c
  3. 5
      ldebug.h
  4. 4
      lstate.h
  5. 4
      lua.c
  6. 12
      lua.h
  7. 7
      lvm.c

13
ldblib.c

@ -1,5 +1,5 @@
/*
** $Id: ldblib.c,v 1.65 2002/08/05 17:36:24 roberto Exp roberto $
** $Id: ldblib.c,v 1.66 2002/08/06 18:01:50 roberto Exp roberto $
** Interface from Lua to its debug API
** See Copyright Notice in lua.h
*/
@ -126,8 +126,8 @@ static void hookf (lua_State *L, lua_Debug *ar) {
}
static int makemask (const char *smask, int count) {
int mask = 0;
static unsigned long makemask (const char *smask, int count) {
unsigned long mask = 0;
if (strchr(smask, 'c')) mask |= LUA_MASKCALL;
if (strchr(smask, 'r')) mask |= LUA_MASKRET;
if (strchr(smask, 'l')) mask |= LUA_MASKLINE;
@ -135,7 +135,7 @@ static int makemask (const char *smask, int count) {
}
static char *unmakemask (int mask, char *smask) {
static char *unmakemask (unsigned long mask, char *smask) {
int i = 0;
if (mask & LUA_MASKCALL) smask[i++] = 'c';
if (mask & LUA_MASKRET) smask[i++] = 'r';
@ -152,8 +152,9 @@ static int sethook (lua_State *L) {
}
else {
const char *smask = luaL_check_string(L, 2);
int count = luaL_opt_int(L, 3, 0);
lua_Number count = luaL_opt_number(L, 3, 0);
luaL_check_type(L, 1, LUA_TFUNCTION);
luaL_arg_check(L, count <= LUA_MAXCOUNT, 2, "count too large (>= 2^24)");
lua_sethook(L, hookf, makemask(smask, count));
}
lua_pushlightuserdata(L, (void *)&KEY_HOOK);
@ -165,7 +166,7 @@ static int sethook (lua_State *L) {
static int gethook (lua_State *L) {
char buff[5];
int mask = lua_gethookmask(L);
unsigned long mask = lua_gethookmask(L);
lua_pushlightuserdata(L, (void *)&KEY_HOOK);
lua_rawget(L, LUA_REGISTRYINDEX); /* get hook */
lua_pushstring(L, unmakemask(mask, buff));

13
ldebug.c

@ -1,5 +1,5 @@
/*
** $Id: ldebug.c,v 1.130 2002/08/07 19:22:39 roberto Exp roberto $
** $Id: ldebug.c,v 1.131 2002/08/08 20:08:41 roberto Exp roberto $
** Debug Interface
** See Copyright Notice in lua.h
*/
@ -33,11 +33,8 @@ static const char *getfuncname (CallInfo *ci, const char **name);
static int currentpc (CallInfo *ci) {
if (!isLua(ci)) return -1; /* function is not a Lua function? */
if (!(ci->state & CI_SAVEDPC)) { /* savedpc outdated? */
lua_assert(ci->state & CI_HASFRAME);
ci->u.l.savedpc = *ci->u.l.pc;
ci->state |= CI_SAVEDPC;
}
if (ci->state & CI_HASFRAME) /* function has a frame? */
ci->u.l.savedpc = *ci->u.l.pc; /* use `pc' from there */
/* function's pc is saved */
return pcRel(ci->u.l.savedpc, ci_func(ci)->l.p);
}
@ -52,7 +49,7 @@ static int currentline (CallInfo *ci) {
}
LUA_API int lua_sethook (lua_State *L, lua_Hook func, int mask) {
LUA_API int lua_sethook (lua_State *L, lua_Hook func, unsigned long mask) {
int allow;
CallInfo *ci;
lua_lock(L);
@ -75,7 +72,7 @@ LUA_API lua_Hook lua_gethook (lua_State *L) {
}
LUA_API int lua_gethookmask (lua_State *L) {
LUA_API unsigned long lua_gethookmask (lua_State *L) {
return L->hookmask;
}

5
ldebug.h

@ -1,5 +1,5 @@
/*
** $Id: ldebug.h,v 1.28 2002/08/06 18:01:50 roberto Exp roberto $
** $Id: ldebug.h,v 1.29 2002/08/08 20:08:41 roberto Exp roberto $
** Auxiliary functions from Debug Interface module
** See Copyright Notice in lua.h
*/
@ -15,8 +15,7 @@
#define getline(f,pc) (((f)->lineinfo) ? (f)->lineinfo[pc] : 0)
#define resethookcount(L) \
(L->hookcount = lua_getmaskcount(L->hookmask), L->hookcount *= L->hookcount)
#define resethookcount(L) (L->hookcount = lua_getmaskcount(L->hookmask))
#define setallowhook(L,cond) ((L->hookmask) = ((L->hookmask) & ~1) | (cond))
#define allowhook(L) ((L->hookmask) & 1)

4
lstate.h

@ -1,5 +1,5 @@
/*
** $Id: lstate.h,v 1.92 2002/08/06 18:01:50 roberto Exp roberto $
** $Id: lstate.h,v 1.93 2002/08/07 19:22:39 roberto Exp roberto $
** Global State
** See Copyright Notice in lua.h
*/
@ -151,7 +151,7 @@ struct lua_State {
CallInfo *end_ci; /* points after end of ci array*/
CallInfo *base_ci; /* array of CallInfo's */
int size_ci; /* size of array `base_ci' */
int hookmask;
unsigned long hookmask;
ls_count hookcount;
lua_Hook hook;
UpVal *openupval; /* list of open upvalues in this stack */

4
lua.c

@ -1,5 +1,5 @@
/*
** $Id: lua.c,v 1.100 2002/08/07 20:54:17 roberto Exp roberto $
** $Id: lua.c,v 1.101 2002/08/08 20:08:41 roberto Exp roberto $
** Lua stand-alone interpreter
** See Copyright Notice in lua.h
*/
@ -45,7 +45,7 @@ static const char *progname;
static lua_Hook old_hook = NULL;
static int old_mask = 0;
static unsigned long old_mask = 0;
static void lstop (lua_State *l, lua_Debug *ar) {

12
lua.h

@ -1,5 +1,5 @@
/*
** $Id: lua.h,v 1.152 2002/08/06 18:01:50 roberto Exp roberto $
** $Id: lua.h,v 1.153 2002/08/06 18:54:18 roberto Exp roberto $
** Lua - An Extensible Extension Language
** Tecgraf: Computer Graphics Technology Group, PUC-Rio, Brazil
** http://www.lua.org mailto:info@lua.org
@ -316,8 +316,10 @@ typedef enum lua_Hookevent {
#define LUA_MASKCALL (2 << LUA_HOOKCALL)
#define LUA_MASKRET (2 << LUA_HOOKRET)
#define LUA_MASKLINE (2 << LUA_HOOKLINE)
#define LUA_MASKCOUNT(count) ((count) << (LUA_HOOKCOUNT+1))
#define lua_getmaskcount(mask) ((mask) >> (LUA_HOOKCOUNT+1))
#define LUA_MASKCOUNT(count) ((unsigned long)(count) << 8)
#define lua_getmaskcount(mask) ((mask) >> 8)
#define LUA_MAXCOUNT ((1<<24) - 1)
typedef struct lua_Debug lua_Debug; /* activation record */
@ -329,9 +331,9 @@ LUA_API int lua_getinfo (lua_State *L, const char *what, lua_Debug *ar);
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);
LUA_API int lua_sethook (lua_State *L, lua_Hook func, int mask);
LUA_API int lua_sethook (lua_State *L, lua_Hook func, unsigned long mask);
LUA_API lua_Hook lua_gethook (lua_State *L);
LUA_API int lua_gethookmask (lua_State *L);
LUA_API unsigned long lua_gethookmask (lua_State *L);
#define LUA_IDSIZE 60

7
lvm.c

@ -1,5 +1,5 @@
/*
** $Id: lvm.c,v 1.250 2002/08/07 14:24:24 roberto Exp roberto $
** $Id: lvm.c,v 1.251 2002/08/07 19:22:39 roberto Exp roberto $
** Lua virtual machine
** See Copyright Notice in lua.h
*/
@ -70,8 +70,8 @@ int luaV_tostring (lua_State *L, TObject *obj) {
static void traceexec (lua_State *L) {
int mask = L->hookmask;
if (mask > LUA_MASKLINE) { /* instruction hook set? */
unsigned long mask = L->hookmask;
if (mask > LUA_MASKLINE) { /* instruction-hook set? */
if (L->hookcount == 0) {
luaD_callhook(L, LUA_HOOKCOUNT, -1);
resethookcount(L);
@ -92,7 +92,6 @@ static void traceexec (lua_State *L) {
ci = L->ci; /* previous call may reallocate `ci' */
}
ci->u.l.savedpc = *ci->u.l.pc;
ci->state |= CI_SAVEDPC; /* `savedpc' is updated */
}
}

Loading…
Cancel
Save