extern "C" Box* createClass(std::string *name, BoxedModule *parent_module) {
BoxedClass* rtn = new BoxedClass(true, NULL);
rtn->giveAttr("__name__", boxString(*name));
Box* modname = parent_module->getattr("__name__", NULL, NULL);
rtn->giveAttr("__module__", modname);
return rtn;
}
extern "C" Box* createUserClass(std::string* name, Box* _base, BoxedModule* parent_module) {
assert(_base);
assert(isSubclass(_base->cls, type_cls));
BoxedClass* base = static_cast<BoxedClass*>(_base);
BoxedClass* made;
if (base->instancesHaveAttrs()) {
made = new BoxedClass(base, base->attrs_offset, base->instance_size, true);
} else {
assert(base->instance_size % sizeof(void*) == 0);
made = new BoxedClass(base, base->instance_size, base->instance_size + sizeof(HCAttrs), true);
}
made->giveAttr("__name__", boxString(*name));
Box* modname = parent_module->getattr("__name__", NULL, NULL);
made->giveAttr("__module__", modname);
return made;
}
void setupThread() {
// Hacky: we want to use some of CPython's implementation of the thread module (the threading local stuff),
// and some of ours (thread handling). Start off by calling a cut-down version of initthread, and then
// add our own attributes to the module it creates.
initthread();
RELEASE_ASSERT(!PyErr_Occurred(), "");
Box* thread_module = getSysModulesDict()->getOrNull(boxString("thread"));
assert(thread_module);
thread_module->giveAttr("start_new_thread", new BoxedBuiltinFunctionOrMethod(
boxRTFunction((void*)startNewThread, BOXED_INT, 3, 1, false, false),
"start_new_thread", { NULL }));
thread_module->giveAttr("allocate_lock", new BoxedBuiltinFunctionOrMethod(
boxRTFunction((void*)allocateLock, UNKNOWN, 0), "allocate_lock"));
thread_module->giveAttr(
"get_ident", new BoxedBuiltinFunctionOrMethod(boxRTFunction((void*)getIdent, BOXED_INT, 0), "get_ident"));
thread_module->giveAttr(
"stack_size", new BoxedBuiltinFunctionOrMethod(boxRTFunction((void*)stackSize, BOXED_INT, 0), "stack_size"));
thread_lock_cls = BoxedHeapClass::create(type_cls, object_cls, NULL, 0, 0, sizeof(BoxedThreadLock), false, "lock");
thread_lock_cls->giveAttr("__module__", boxString("thread"));
thread_lock_cls->giveAttr(
"acquire", new BoxedFunction(boxRTFunction((void*)BoxedThreadLock::acquire, BOXED_BOOL, 2, 1, false, false),
{ boxInt(1) }));
thread_lock_cls->giveAttr("release", new BoxedFunction(boxRTFunction((void*)BoxedThreadLock::release, NONE, 1)));
thread_lock_cls->giveAttr("acquire_lock", thread_lock_cls->getattr("acquire"));
thread_lock_cls->giveAttr("release_lock", thread_lock_cls->getattr("release"));
thread_lock_cls->giveAttr("__enter__", thread_lock_cls->getattr("acquire"));
thread_lock_cls->giveAttr("__exit__", new BoxedFunction(boxRTFunction((void*)BoxedThreadLock::exit, NONE, 4)));
thread_lock_cls->freeze();
BoxedClass* ThreadError
= BoxedHeapClass::create(type_cls, Exception, NULL, Exception->attrs_offset, Exception->tp_weaklistoffset,
Exception->tp_basicsize, false, "error");
ThreadError->giveAttr("__module__", boxString("thread"));
ThreadError->freeze();
thread_module->giveAttr("error", ThreadError);
}
