Object* Module::cvar_set(STATE, Symbol* name, Object* value) {
if(!name->is_cvar_p(state)->true_p()) return Primitives::failure();
check_frozen(state);
Module* mod = this;
Module* mod_to_query;
while(!mod->nil_p()) {
mod_to_query = get_module_to_query(mod);
if(mod_to_query->table_ivar_defined(state, name)->true_p()) {
mod_to_query->set_table_ivar(state, name, value);
return value;
}
mod = mod->superclass();
}
mod = this;
mod_to_query = get_module_to_query(mod);
mod_to_query->set_ivar(state, name, value);
return value;
}
Object* MethodTable::alias(STATE, Symbol* name, Symbol* vis,
Symbol* orig_name, Object* orig_method,
Module* orig_mod)
{
check_frozen(state);
utilities::thread::SpinLock::LockGuard lg(lock_);
Executable* orig_exec;
if(Alias* alias = try_as<Alias>(orig_method)) {
orig_exec = alias->original_exec();
orig_mod = alias->original_module();
orig_name = alias->original_name();
} else if(orig_method->nil_p()) {
orig_exec = nil<Executable>();
} else {
orig_exec = as<Executable>(orig_method);
}
Alias* method = Alias::create(state, orig_name, orig_mod, orig_exec);
native_int num_entries = entries_->to_native();
native_int num_bins = bins_->to_native();
if(max_density_p(num_entries, num_bins)) {
redistribute(state, num_bins <<= 1);
}
native_int bin = find_bin(key_hash(name), num_bins);
MethodTableBucket* entry = try_as<MethodTableBucket>(values_->at(state, bin));
MethodTableBucket* last = NULL;
while(entry) {
if(entry->name() == name) {
entry->method_id(state, nil<String>());
entry->method(state, method);
entry->scope(state, cNil);
entry->serial(state, Fixnum::from(0));
entry->visibility(state, vis);
return name;
}
last = entry;
entry = try_as<MethodTableBucket>(entry->next());
}
if(last) {
last->next(state, MethodTableBucket::create(
state, name, nil<String>(), method, cNil, Fixnum::from(0), vis));
} else {
values_->put(state, bin, MethodTableBucket::create(
state, name, nil<String>(), method, cNil, Fixnum::from(0), vis));
}
entries(state, Fixnum::from(num_entries + 1));
return name;
}
Object* MethodTable::store(STATE, Symbol* name, Object* exec, Symbol* vis)
{
check_frozen(state);
utilities::thread::SpinLock::LockGuard lg(lock_);
Executable* method;
if(exec->nil_p()) {
method = nil<Executable>();
} else {
if(Alias* stored_alias = try_as<Alias>(exec)) {
lock_.unlock();
Object* res = alias(state, name, vis,
stored_alias->original_name(),
stored_alias->original_exec(),
stored_alias->original_module());
lock_.lock();
return res;
} else {
method = as<Executable>(exec);
}
}
native_int num_entries = entries_->to_native();
native_int num_bins = bins_->to_native();
if(max_density_p(num_entries, num_bins)) {
redistribute(state, num_bins <<= 1);
}
native_int bin = find_bin(key_hash(name), num_bins);
MethodTableBucket* entry = try_as<MethodTableBucket>(values_->at(state, bin));
MethodTableBucket* last = NULL;
while(entry) {
if(entry->name() == name) {
entry->method(state, method);
entry->visibility(state, vis);
return name;
}
last = entry;
entry = try_as<MethodTableBucket>(entry->next());
}
if(last) {
last->next(state, MethodTableBucket::create(state, name, method, vis));
} else {
values_->put(state, bin,
MethodTableBucket::create(state, name, method, vis));
}
entries(state, Fixnum::from(num_entries + 1));
return name;
}
Object* Thread::locals_remove(STATE, Symbol* key) {
check_frozen(state);
if(state->vm() != vm()) {
return locals()->remove(state, key);
}
Fiber* fib = state->vm()->current_fiber.get();
if(fib->nil_p() || fib->root_p()) {
return locals()->remove(state, key);
}
if(fib->locals()->nil_p()) {
return cNil;
}
return fib->locals()->remove(state, key);
}
Object* Thread::locals_store(STATE, Symbol* key, Object* value) {
/*
* If we're not trying to set values on the current thread,
* we will set thread locals anyway and not use fiber locals.
*/
check_frozen(state);
if(state->vm() != vm()) {
return locals()->store(state, key, value);
}
Fiber* fib = state->vm()->current_fiber.get();
if(fib->nil_p() || fib->root_p()) {
return locals()->store(state, key, value);
}
if(fib->locals()->nil_p()) {
fib->locals(state, LookupTable::create(state));
}
return fib->locals()->store(state, key, value);
}
Executable* MethodTable::remove(STATE, Symbol* name) {
check_frozen(state);
utilities::thread::SpinLock::LockGuard lg(lock_);
native_int num_entries = entries_->to_native();
native_int num_bins = bins_->to_native();
if(min_density_p(num_entries, num_bins) &&
(num_bins >> 1) >= METHODTABLE_MIN_SIZE) {
redistribute(state, num_bins >>= 1);
}
native_int bin = find_bin(key_hash(name), num_bins);
MethodTableBucket* entry = try_as<MethodTableBucket>(values_->at(state, bin));
MethodTableBucket* last = NULL;
while(entry) {
if(entry->name() == name) {
Executable* val = entry->method();
if(last) {
last->next(state, entry->next());
} else {
values_->put(state, bin, entry->next());
}
entries(state, Fixnum::from(entries_->to_native() - 1));
return val;
}
last = entry;
entry = try_as<MethodTableBucket>(entry->next());
}
return nil<Executable>();
}
Object* Thread::fiber_variable_set(STATE, Symbol* key, Object* value) {
check_frozen(state);
return current_fiber()->locals()->store(state, key, value);
}