HandlerTableEntry* ExceptionHandlerTable::entry_for(int catch_pco, int handler_bci, int scope_depth) const {
HandlerTableEntry* t = subtable_for(catch_pco);
if (t != NULL) {
int l = t->len();
while (l-- > 0) {
t++;
if (t->bci() == handler_bci && t->scope_depth() == scope_depth) return t;
}
}
return NULL;
}
void ExceptionHandlerTable::add_subtable(
int catch_pco,
GrowableArray<intptr_t>* handler_bcis,
GrowableArray<intptr_t>* scope_depths_from_top_scope,
GrowableArray<intptr_t>* handler_pcos
) {
assert(subtable_for(catch_pco) == NULL, "catch handlers for this catch_pco added twice");
assert(handler_bcis->length() == handler_pcos->length(), "bci & pc table have different length");
assert(scope_depths_from_top_scope == NULL || handler_bcis->length() == scope_depths_from_top_scope->length(), "bci & scope_depths table have different length");
if (handler_bcis->length() > 0) {
// add subtable header
add_entry(HandlerTableEntry(handler_bcis->length(), catch_pco, 0));
// add individual entries
for (int i = 0; i < handler_bcis->length(); i++) {
intptr_t scope_depth = 0;
if (scope_depths_from_top_scope != NULL) {
scope_depth = scope_depths_from_top_scope->at(i);
}
add_entry(HandlerTableEntry(handler_bcis->at(i), handler_pcos->at(i), scope_depth));
assert(entry_for(catch_pco, handler_bcis->at(i), scope_depth)->pco() == handler_pcos->at(i), "entry not added correctly (1)");
assert(entry_for(catch_pco, handler_bcis->at(i), scope_depth)->scope_depth() == scope_depth, "entry not added correctly (2)");
}
}
}
void ExceptionHandlerTable::print_subtable_for(int catch_pco) const {
HandlerTableEntry* subtable = subtable_for(catch_pco);
if( subtable != NULL ) { print_subtable( subtable ); }
}
void ExceptionHandlerTable::print_subtable_for(int catch_pco, outputStream* out) const {
HandlerTableEntry* subtable = subtable_for(catch_pco);
if( subtable != NULL ) { print_subtable( subtable, out ); }
}