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Merge pull request #71644 from RandomShaper/mq_call_static

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Complete support of callables of static methods
This commit is contained in:
Rémi Verschelde 2023-04-12 23:19:27 +02:00 committed by GitHub
commit 5860b02b63
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GPG Key ID: 4AEE18F83AFDEB23
7 changed files with 76 additions and 42 deletions
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20
core/object/callable_method_pointer.h
View File

@ -198,7 +198,7 @@ class CallableCustomMethodPointerRetC : public CallableCustomMethodPointerBase {
} data;
public:
virtual ObjectID get_object() const {
virtual ObjectID get_object() const override {
#ifdef DEBUG_ENABLED
if (ObjectDB::get_instance(ObjectID(data.object_id)) == nullptr) {
return ObjectID();
@ -207,7 +207,7 @@ public:
return data.instance->get_instance_id();
}
virtual void call(const Variant **p_arguments, int p_argcount, Variant &r_return_value, Callable::CallError &r_call_error) const {
virtual void call(const Variant **p_arguments, int p_argcount, Variant &r_return_value, Callable::CallError &r_call_error) const override {
#ifdef DEBUG_ENABLED
ERR_FAIL_COND_MSG(ObjectDB::get_instance(ObjectID(data.object_id)) == nullptr, "Invalid Object id '" + uitos(data.object_id) + "', can't call method.");
#endif
@ -254,11 +254,15 @@ class CallableCustomStaticMethodPointer : public CallableCustomMethodPointerBase
} data;
public:
virtual ObjectID get_object() const {
virtual bool is_valid() const override {
return true;
}
virtual ObjectID get_object() const override {
return ObjectID();
}
virtual void call(const Variant **p_arguments, int p_argcount, Variant &r_return_value, Callable::CallError &r_call_error) const {
virtual void call(const Variant **p_arguments, int p_argcount, Variant &r_return_value, Callable::CallError &r_call_error) const override {
call_with_variant_args_static_ret(data.method, p_arguments, p_argcount, r_return_value, r_call_error);
r_return_value = Variant();
}
@ -292,11 +296,15 @@ class CallableCustomStaticMethodPointerRet : public CallableCustomMethodPointerB
} data;
public:
virtual ObjectID get_object() const {
virtual bool is_valid() const override {
return true;
}
virtual ObjectID get_object() const override {
return ObjectID();
}
virtual void call(const Variant **p_arguments, int p_argcount, Variant &r_return_value, Callable::CallError &r_call_error) const {
virtual void call(const Variant **p_arguments, int p_argcount, Variant &r_return_value, Callable::CallError &r_call_error) const override {
call_with_variant_args_static_ret(data.method, p_arguments, p_argcount, r_return_value, r_call_error);
}

67
core/object/message_queue.cpp
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@ -90,6 +90,10 @@ Error CallQueue::push_callablep(const Callable &p_callable, const Variant **p_ar
if (p_show_error) {
msg->type |= FLAG_SHOW_ERROR;
}
// Support callables of static methods.
if (p_callable.get_object_id().is_null() && p_callable.is_valid()) {
msg->type |= FLAG_NULL_IS_OK;
}
buffer_end += sizeof(Message);
@ -238,28 +242,24 @@ Error CallQueue::flush() {
mutex.unlock();
if (target != nullptr) {
switch (message->type & FLAG_MASK) {
case TYPE_CALL: {
switch (message->type & FLAG_MASK) {
case TYPE_CALL: {
if (target || (message->type & FLAG_NULL_IS_OK)) {
Variant *args = (Variant *)(message + 1);
// messages don't expect a return value
_call_function(message->callable, args, message->args, message->type & FLAG_SHOW_ERROR);
} break;
case TYPE_NOTIFICATION: {
// messages don't expect a return value
}
} break;
case TYPE_NOTIFICATION: {
if (target) {
target->notification(message->notification);
} break;
case TYPE_SET: {
}
} break;
case TYPE_SET: {
if (target) {
Variant *arg = (Variant *)(message + 1);
// messages don't expect a return value
target->set(message->callable.get_method(), *arg);
} break;
}
}
} break;
}
if ((message->type & FLAG_MASK) != TYPE_NOTIFICATION) {
@ -355,36 +355,41 @@ void CallQueue::statistics() {
Object *target = message->callable.get_object();
if (target != nullptr) {
switch (message->type & FLAG_MASK) {
case TYPE_CALL: {
bool null_target = true;
switch (message->type & FLAG_MASK) {
case TYPE_CALL: {
if (target || (message->type & FLAG_NULL_IS_OK)) {
if (!call_count.has(message->callable)) {
call_count[message->callable] = 0;
}
call_count[message->callable]++;
} break;
case TYPE_NOTIFICATION: {
null_target = false;
}
} break;
case TYPE_NOTIFICATION: {
if (target) {
if (!notify_count.has(message->notification)) {
notify_count[message->notification] = 0;
}
notify_count[message->notification]++;
} break;
case TYPE_SET: {
null_target = false;
}
} break;
case TYPE_SET: {
if (target) {
StringName t = message->callable.get_method();
if (!set_count.has(t)) {
set_count[t] = 0;
}
set_count[t]++;
} break;
}
} else {
null_target = false;
}
} break;
}
if (null_target) {
//object was deleted
print_line("Object was deleted while awaiting a callback");

3
core/object/message_queue.h
View File

@ -51,8 +51,9 @@ private:
TYPE_NOTIFICATION,
TYPE_SET,
TYPE_END, // End marker.
FLAG_NULL_IS_OK = 1 << 13,
FLAG_SHOW_ERROR = 1 << 14,
FLAG_MASK = FLAG_SHOW_ERROR - 1,
FLAG_MASK = FLAG_NULL_IS_OK - 1,
};
struct Page {

11
core/variant/callable.cpp
View File

@ -122,7 +122,11 @@ Callable Callable::unbind(int p_argcount) const {
}
bool Callable::is_valid() const {
return get_object() && (is_custom() || get_object()->has_method(get_method()));
if (is_custom()) {
return get_custom()->is_valid();
} else {
return get_object() && get_object()->has_method(get_method());
}
}
Object *Callable::get_object() const {
@ -373,6 +377,11 @@ Callable::~Callable() {
}
}
bool CallableCustom::is_valid() const {
// Sensible default implementation so most custom callables don't need their own.
return ObjectDB::get_instance(get_object());
}
StringName CallableCustom::get_method() const {
ERR_FAIL_V_MSG(StringName(), vformat("Can't get method on CallableCustom \"%s\".", get_as_text()));
}

3
core/variant/callable.h
View File

@ -145,8 +145,9 @@ public:
virtual String get_as_text() const = 0;
virtual CompareEqualFunc get_compare_equal_func() const = 0;
virtual CompareLessFunc get_compare_less_func() const = 0;
virtual bool is_valid() const;
virtual StringName get_method() const;
virtual ObjectID get_object() const = 0; //must always be able to provide an object
virtual ObjectID get_object() const = 0;
virtual void call(const Variant **p_arguments, int p_argcount, Variant &r_return_value, Callable::CallError &r_call_error) const = 0;
virtual Error rpc(int p_peer_id, const Variant **p_arguments, int p_argcount, Callable::CallError &r_call_error) const;
virtual const Callable *get_base_comparator() const;

8
core/variant/callable_bind.cpp
View File

@ -75,6 +75,10 @@ CallableCustom::CompareLessFunc CallableCustomBind::get_compare_less_func() cons
return _less_func;
}
bool CallableCustomBind::is_valid() const {
return callable.is_valid();
}
StringName CallableCustomBind::get_method() const {
return callable.get_method();
}
@ -193,6 +197,10 @@ CallableCustom::CompareLessFunc CallableCustomUnbind::get_compare_less_func() co
return _less_func;
}
bool CallableCustomUnbind::is_valid() const {
return callable.is_valid();
}
StringName CallableCustomUnbind::get_method() const {
return callable.get_method();
}

6
core/variant/callable_bind.h
View File

@ -47,8 +47,9 @@ public:
virtual String get_as_text() const override;
virtual CompareEqualFunc get_compare_equal_func() const override;
virtual CompareLessFunc get_compare_less_func() const override;
virtual bool is_valid() const override;
virtual StringName get_method() const override;
virtual ObjectID get_object() const override; //must always be able to provide an object
virtual ObjectID get_object() const override;
virtual void call(const Variant **p_arguments, int p_argcount, Variant &r_return_value, Callable::CallError &r_call_error) const override;
virtual const Callable *get_base_comparator() const override;
virtual int get_bound_arguments_count() const override;
@ -73,8 +74,9 @@ public:
virtual String get_as_text() const override;
virtual CompareEqualFunc get_compare_equal_func() const override;
virtual CompareLessFunc get_compare_less_func() const override;
virtual bool is_valid() const override;
virtual StringName get_method() const override;
virtual ObjectID get_object() const override; //must always be able to provide an object
virtual ObjectID get_object() const override;
virtual void call(const Variant **p_arguments, int p_argcount, Variant &r_return_value, Callable::CallError &r_call_error) const override;
virtual const Callable *get_base_comparator() const override;
virtual int get_bound_arguments_count() const override;