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FFI: Improve error message for bad indexing attempts.

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This commit is contained in:
Mike Pall 2012-08-05 17:26:01 +02:00
parent 0a750fe715
commit 806822b70b
1 changed files with 7 additions and 3 deletions
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10
src/lib_ffi.c
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@ -112,10 +112,14 @@ static int ffi_index_meta(lua_State *L, CTState *cts, CType *ct, MMS mm)
const char *s; const char *s;
err_index: err_index:
s = strdata(lj_ctype_repr(L, id, NULL)); s = strdata(lj_ctype_repr(L, id, NULL));
if (tvisstr(L->base+1)) if (tvisstr(L->base+1)) {
lj_err_callerv(L, LJ_ERR_FFI_BADMEMBER, s, strVdata(L->base+1)); lj_err_callerv(L, LJ_ERR_FFI_BADMEMBER, s, strVdata(L->base+1));
else } else {
lj_err_callerv(L, LJ_ERR_FFI_BADIDX, s); const char *key = tviscdata(L->base+1) ?
strdata(lj_ctype_repr(L, cdataV(L->base+1)->ctypeid, NULL)) :
lj_typename(L->base+1);
lj_err_callerv(L, LJ_ERR_FFI_BADIDXW, s, key);
}
} }
if (!tvisfunc(tv)) { if (!tvisfunc(tv)) {
if (mm == MM_index) { if (mm == MM_index) {