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handle case where function was called as a hook

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This commit is contained in:
Roberto Ierusalimschy 2014-12-08 13:48:23 -02:00
parent 6909b5a2b4
commit c6e74e41c9
1 changed files with 7 additions and 4 deletions
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11
ldebug.c
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@ -1,5 +1,5 @@
/*
** $Id: ldebug.c,v 2.106 2014/11/10 18:41:19 roberto Exp roberto $
** $Id: ldebug.c,v 2.107 2014/11/11 17:08:19 roberto Exp roberto $
** Debug Interface
** See Copyright Notice in lua.h
*/
@ -438,10 +438,14 @@ static const char *getobjname (Proto *p, int lastpc, int reg,
static const char *getfuncname (lua_State *L, CallInfo *ci, const char **name) {
TMS tm;
TMS tm = (TMS)0; /* to avoid warnings */
Proto *p = ci_func(ci)->p; /* calling function */
int pc = currentpc(ci); /* calling instruction index */
Instruction i = p->code[pc]; /* calling instruction */
if (ci->callstatus & CIST_HOOKED) { /* was it called inside a hook? */
*name = "?";
return "hook";
}
switch (GET_OPCODE(i)) {
case OP_CALL:
case OP_TAILCALL: /* get function name */
@ -471,8 +475,7 @@ static const char *getfuncname (lua_State *L, CallInfo *ci, const char **name) {
case OP_EQ: tm = TM_EQ; break;
case OP_LT: tm = TM_LT; break;
case OP_LE: tm = TM_LE; break;
default:
return NULL; /* else no useful name can be found */
default: lua_assert(0); /* other instructions cannot call a function */
}
*name = getstr(G(L)->tmname[tm]);
return "metamethod";