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new representation for hooks (to allow asynchronous calls to sethook)

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Roberto Ierusalimschy
2002-11-18 09:01:55 -02:00
parent 94912d99fc
commit 43013b39cc
8 changed files with 59 additions and 44 deletions
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8
lvm.c
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@@ -1,5 +1,5 @@
/*
** $Id: lvm.c,v 1.260 2002/11/07 15:37:10 roberto Exp roberto $
** $Id: lvm.c,v 1.261 2002/11/14 16:15:53 roberto Exp roberto $
** Lua virtual machine
** See Copyright Notice in lua.h
*/
@@ -70,7 +70,7 @@ int luaV_tostring (lua_State *L, StkId obj) {
static void traceexec (lua_State *L) {
unsigned long mask = L->hookmask;
lu_byte mask = L->hookmask;
if (mask > LUA_MASKLINE) { /* instruction-hook set? */
if (L->hookcount == 0) {
luaD_callhook(L, LUA_HOOKCOUNT, -1);
@@ -82,6 +82,10 @@ static void traceexec (lua_State *L) {
CallInfo *ci = L->ci;
Proto *p = ci_func(ci)->l.p;
int newline = getline(p, pcRel(*ci->u.l.pc, p));
if (!L->hookinit) {
luaG_inithooks(L);
return;
}
lua_assert(ci->state & CI_HASFRAME);
if (pcRel(*ci->u.l.pc, p) == 0) /* tracing may be starting now? */
ci->u.l.savedpc = *ci->u.l.pc; /* initialize `savedpc' */