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Improve error reporting for traces aborted in non-Lua functions.

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This commit is contained in:
Mike Pall 2010-02-15 22:44:23 +01:00
parent e664945e0b
commit afa07e0c46
1 changed files with 13 additions and 2 deletions
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15
src/lj_trace.c
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@ -441,10 +441,21 @@ static int trace_abort(jit_State *J)
if (J->curtrace) { /* Is there anything to abort? */
ptrdiff_t errobj = savestack(L, L->top-1); /* Stack may be resized. */
lj_vmevent_send(L, TRACE,
TValue *frame;
const BCIns *pc;
GCfunc *fn;
setstrV(L, L->top++, lj_str_newlit(L, "abort"));
setintV(L->top++, J->curtrace);
setfuncV(L, L->top++, J->fn);
setintV(L->top++, proto_bcpos(J->pt, J->pc));
/* Find original Lua function call to generate a better error message. */
frame = J->L->base-1;
pc = J->pc;
while (!isluafunc(frame_func(frame))) {
pc = frame_pc(frame) - 1;
frame = frame_prev(frame);
}
fn = frame_func(frame);
setfuncV(L, L->top++, fn);
setintV(L->top++, proto_bcpos(funcproto(fn), pc));
copyTV(L, L->top++, restorestack(L, errobj));
copyTV(L, L->top++, &J->errinfo);
);