void CallFrame::print_backtrace(STATE) {
CallFrame* cf = this;
while(cf) {
if(!cf->cm) {
cf = static_cast<CallFrame*>(cf->previous);
continue;
}
std::cout << static_cast<void*>(cf) << ": ";
if(cf->is_block_p(state)) {
std::cout << "__block__";
} else {
if(MetaClass* meta = try_as<MetaClass>(cf->module())) {
if(Module* mod = try_as<Module>(meta->attached_instance())) {
std::cout << mod->name()->c_str(state) << ".";
} else {
std::cout << "#<" <<
meta->attached_instance()->class_object(state)->name()->c_str(state) <<
":" << (void*)meta->attached_instance() << ">.";
}
} else {
const char* mod_name;
if(cf->module()->nil_p()) {
mod_name = cf->cm->scope()->module()->name()->c_str(state);
} else if(cf->module()->name()->nil_p()) {
mod_name = cf->cm->scope()->module()->name()->c_str(state);
} else {
mod_name = cf->module()->name()->c_str(state);
}
std::cout << mod_name << "#";
}
Symbol* name = try_as<Symbol>(cf->name());
if(name) {
std::cout << name->c_str(state);
} else {
std::cout << cf->cm->name()->c_str(state);
}
}
std::cout << " in ";
if(Symbol* file_sym = try_as<Symbol>(cf->cm->file())) {
std::cout << file_sym->c_str(state) << ":" << cf->line(state);
} else {
std::cout << "<unknown>";
}
std::cout << " (+" << cf->ip();
if(cf->is_inline_frame()) {
std::cout << " inline";
}
std::cout << ")";
std::cout << std::endl;
cf = static_cast<CallFrame*>(cf->previous);
}
}
Tuple* Thread::context(STATE) {
utilities::thread::SpinLock::LockGuard lg(init_lock_);
VM* vm = vm_;
if(!vm) return nil<Tuple>();
CallFrame* cf = vm->saved_call_frame()->top_ruby_frame();
VariableScope* scope = cf->promote_scope(state);
return Tuple::from(state, 3, Fixnum::from(cf->ip()), cf->compiled_code, scope);
}
void SignalThread::print_backtraces() {
STATE = shared_.env()->state;
ThreadList* threads = shared_.thread_nexus()->threads();
for(ThreadList::iterator i = threads->begin(); i != threads->end(); ++i) {
VM* vm = (*i)->as_vm();
if(!vm) continue;
bool first = true;
CallFrame* frame = vm->call_frame();
while(frame) {
if(first) {
logger::fatal("--- %s %d backtrace ---", vm->kind_name(), vm->thread_id());
first = false;
}
std::ostringstream stream;
if(NativeMethodFrame* nmf = frame->native_method_frame()) {
stream << static_cast<void*>(frame) << ": ";
NativeMethod* nm = try_as<NativeMethod>(nmf->get_object(nmf->method()));
if(nm && nm->name()->symbol_p()) {
stream << "capi:" << nm->name()->debug_str(state) << " at ";
stream << nm->file()->c_str(state);
} else {
stream << "unknown capi";
}
} else if(frame->compiled_code) {
if(frame->is_block_p(state)) {
stream << "__block__";
} else {
if(SingletonClass* sc = try_as<SingletonClass>(frame->module())) {
Object* obj = sc->singleton();
if(Module* mod = try_as<Module>(obj)) {
stream << mod->debug_str(state) << ".";
} else {
if(obj == G(main)) {
stream << "MAIN.";
} else {
stream << "#<" << obj->class_object(state)->debug_str(state) <<
":" << (void*)obj->id(state)->to_native() << ">.";
}
}
} else if(IncludedModule* im = try_as<IncludedModule>(frame->module())) {
stream << im->module()->debug_str(state) << "#";
} else {
Symbol* name;
std::string mod_name;
if(frame->module()->nil_p()) {
mod_name = frame->lexical_scope()->module()->debug_str(state);
} else {
if((name = try_as<Symbol>(frame->module()->module_name()))) {
mod_name = name->debug_str(state);
} else if((name = try_as<Symbol>(
frame->lexical_scope()->module()->module_name()))) {
mod_name = name->debug_str(state);
} else {
mod_name = "<anonymous module>";
}
}
stream << mod_name << "#";
}
Symbol* name = try_as<Symbol>(frame->name());
if(name) {
stream << name->debug_str(state);
} else {
stream << frame->compiled_code->name()->debug_str(state);
}
}
stream << " in ";
if(Symbol* file_sym = try_as<Symbol>(frame->compiled_code->file())) {
stream << file_sym->debug_str(state) << ":" << frame->line(state);
} else {
stream << "<unknown>";
}
stream << " (+" << frame->ip();
if(frame->is_inline_frame()) {
stream << " inline";
} else if(frame->jitted_p()) {
stream << " jit";
}
stream << ")";
}
logger::fatal(stream.str().c_str());
frame = frame->previous;
}
}
}
void CallFrame::print_backtrace(STATE, std::ostream& stream, int total, bool filter) {
CallFrame* cf = this;
int i = -1;
while(cf) {
i++;
if(total > 0 && i == total) return;
if(NativeMethodFrame* nmf = cf->native_method_frame()) {
stream << static_cast<void*>(cf) << ": ";
NativeMethod* nm = try_as<NativeMethod>(nmf->get_object(nmf->method()));
if(nm && nm->name()->symbol_p()) {
stream << "capi:" << nm->name()->debug_str(state) << " at ";
stream << nm->file()->c_str(state);
} else {
stream << "unknown capi";
}
stream << std::endl;
cf = cf->previous;
continue;
}
if(!cf->compiled_code) {
cf = cf->previous;
continue;
}
if(filter && cf->compiled_code->kernel_method(state)) {
cf = cf->previous;
continue;
}
stream << static_cast<void*>(cf) << ": ";
if(cf->is_block_p(state)) {
stream << "__block__";
} else {
if(SingletonClass* sc = try_as<SingletonClass>(cf->module())) {
Object* obj = sc->attached_instance();
if(Module* mod = try_as<Module>(obj)) {
stream << mod->debug_str(state) << ".";
} else {
if(obj == G(main)) {
stream << "MAIN.";
} else {
stream << "#<" << obj->class_object(state)->debug_str(state) <<
":" << (void*)obj->id(state)->to_native() << ">.";
}
}
} else if(IncludedModule* im = try_as<IncludedModule>(cf->module())) {
stream << im->module()->debug_str(state) << "#";
} else {
Symbol* name;
std::string mod_name;
if(cf->module()->nil_p()) {
mod_name = cf->constant_scope()->module()->debug_str(state);
} else {
if((name = try_as<Symbol>(cf->module()->module_name()))) {
mod_name = name->debug_str(state);
} else if((name = try_as<Symbol>(
cf->constant_scope()->module()->module_name()))) {
mod_name = name->debug_str(state);
} else {
mod_name = "<anonymous module>";
}
}
stream << mod_name << "#";
}
Symbol* name = try_as<Symbol>(cf->name());
if(name) {
stream << name->debug_str(state);
} else {
stream << cf->compiled_code->name()->debug_str(state);
}
}
stream << " in ";
if(Symbol* file_sym = try_as<Symbol>(cf->compiled_code->file())) {
stream << file_sym->debug_str(state) << ":" << cf->line(state);
} else {
stream << "<unknown>";
}
stream << " (+" << cf->ip();
if(cf->is_inline_frame()) {
stream << " inline";
} else if(cf->jitted_p()) {
stream << " jit";
}
stream << ")";
stream << std::endl;
cf = cf->previous;
}
}