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Fix handling of err_loc() within cpcall frames.

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Mike Pall 2011-03-09 22:39:17 +01:00
parent 0125ee8211
commit 30cc4d3bba
1 changed files with 8 additions and 5 deletions
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7
src/lj_err.c
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@ -87,9 +87,10 @@ static BCPos currentpc(lua_State *L, GCfunc *fn, cTValue *nextframe)
if (!isluafunc(fn)) { /* Cannot derive a PC for non-Lua functions. */
return ~(BCPos)0;
} else if (nextframe == NULL) { /* Lua function on top. */
if (L->cframe == NULL)
void *cf = cframe_raw(L->cframe);
if (cf == NULL || (char *)cframe_pc(cf) == (char *)cframe_L(cf))
return ~(BCPos)0;
ins = cframe_Lpc(L); /* Only happens during error/hook handling. */
ins = cframe_pc(cf); /* Only happens during error/hook handling. */
} else {
if (frame_islua(nextframe)) {
ins = frame_pc(nextframe);
@ -815,11 +816,13 @@ LJ_NOINLINE static void err_loc(lua_State *L, const char *msg,
if (isluafunc(fn)) {
char buff[LUA_IDSIZE];
BCLine line = currentline(L, fn, nextframe);
if (line >= 0) {
err_chunkid(buff, strdata(proto_chunkname(funcproto(fn))));
lj_str_pushf(L, "%s:%d: %s", buff, line, msg);
return;
}
}
}
lj_str_pushf(L, "%s", msg);
}