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GDExtension: Implement GDExtensionLoader concept

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- Implements the concept of GDExtension loaders that can be used to customize how GDExtensions are loaded and initialized.
- Moves the parsing of `.gdextension` config files to the new `GDExtensionLibraryLoader`.
- `GDExtensionManager` is now meant to be the main way to load/unload extensions and can optionally take a `GDExtensionLoader`.
- `EditorFileSystem` avoids unloading extensions if the file still exists, this should prevent unloading extensions that are outside the user project.
This commit is contained in:
Raul Santos
2024-04-24 01:32:25 +02:00
parent 1bd740d18d
commit 4dd6e8eca5
9 changed files with 584 additions and 347 deletions
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23
core/extension/gdextension.h
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@ -31,13 +31,11 @@
#ifndef GDEXTENSION_H
#define GDEXTENSION_H
#include <functional>
#include "core/extension/gdextension_interface.h"
#include "core/extension/gdextension_loader.h"
#include "core/io/config_file.h"
#include "core/io/resource_loader.h"
#include "core/object/ref_counted.h"
#include "core/os/shared_object.h"
class GDExtensionMethodBind;
@ -46,8 +44,8 @@ class GDExtension : public Resource {
friend class GDExtensionManager;
void *library = nullptr; // pointer if valid,
String library_path;
Ref<GDExtensionLoader> loader;
bool reloadable = false;
struct Extension {
@ -96,8 +94,6 @@ class GDExtension : public Resource {
int32_t level_initialized = -1;
#ifdef TOOLS_ENABLED
uint64_t resource_last_modified_time = 0;
uint64_t library_last_modified_time = 0;
bool is_reloading = false;
Vector<GDExtensionMethodBind *> invalid_methods;
Vector<ObjectID> instance_bindings;
@ -124,11 +120,12 @@ public:
virtual bool editor_can_reload_from_file() override { return false; } // Reloading is handled in a special way.
static String get_extension_list_config_file();
static String find_extension_library(const String &p_path, Ref<ConfigFile> p_config, std::function<bool(String)> p_has_feature, PackedStringArray *r_tags = nullptr);
static Vector<SharedObject> find_extension_dependencies(const String &p_path, Ref<ConfigFile> p_config, std::function<bool(String)> p_has_feature);
Error open_library(const String &p_path, const String &p_entry_symbol, Vector<SharedObject> *p_dependencies = nullptr);
const Ref<GDExtensionLoader> get_loader() const { return loader; }
Error open_library(const String &p_path, const Ref<GDExtensionLoader> &p_loader);
void close_library();
bool is_library_open() const;
enum InitializationLevel {
INITIALIZATION_LEVEL_CORE = GDEXTENSION_INITIALIZATION_CORE,
@ -146,17 +143,11 @@ protected:
#endif
public:
bool is_library_open() const;
#ifdef TOOLS_ENABLED
bool is_reloadable() const { return reloadable; }
void set_reloadable(bool p_reloadable) { reloadable = p_reloadable; }
bool has_library_changed() const;
void update_last_modified_time(uint64_t p_resource_last_modified_time, uint64_t p_library_last_modified_time) {
resource_last_modified_time = p_resource_last_modified_time;
library_last_modified_time = p_library_last_modified_time;
}
void track_instance_binding(Object *p_object);
void untrack_instance_binding(Object *p_object);