/* for thread dumping */
static char duk__get_cat_summary_char(duk_catcher *catcher) {
switch (DUK_CAT_GET_TYPE(catcher)) {
case DUK_CAT_TYPE_TCF:
if (DUK_CAT_HAS_CATCH_ENABLED(catcher)) {
if (DUK_CAT_HAS_FINALLY_ENABLED(catcher)) {
return 'C'; /* catch and finally active */
} else {
return 'c'; /* only catch active */
}
} else {
if (DUK_CAT_HAS_FINALLY_ENABLED(catcher)) {
return 'f'; /* only finally active */
} else {
return 'w'; /* neither active (usually 'with') */
}
}
case DUK_CAT_TYPE_LABEL:
return 'l';
case DUK_CAT_TYPE_UNKNOWN:
default:
return '?';
}
DUK_UNREACHABLE();
}
DUK_LOCAL duk_bool_t duk__have_active_catcher(duk_hthread *thr) {
/*
* XXX: As noted above, a protected API call won't be counted as a
* catcher. This is usually convenient, e.g. in the case of a top-
* level duk_pcall(), but may not always be desirable. Perhaps add an
* argument to treat them as catchers?
*/
duk_size_t i;
DUK_ASSERT(thr != NULL);
while (thr != NULL) {
for (i = 0; i < thr->catchstack_top; i++) {
duk_catcher *cat = thr->catchstack + i;
if (DUK_CAT_HAS_CATCH_ENABLED(cat)) {
return 1; /* all we need to know */
}
}
thr = thr->resumer;
}
return 0;
}