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Implement callable_mp() and callable_mp_static()

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David Snopek
2023-06-28 21:55:04 -05:00
parent 4314f91b7d
commit c18c1916c3
10 changed files with 545 additions and 0 deletions
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69
gdextension/gdextension_interface.h
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@@ -379,6 +379,47 @@ typedef struct {
GDExtensionVariantPtr *default_arguments;
} GDExtensionClassMethodInfo;
typedef void (*GDExtensionCallableCustomCall)(void *callable_userdata, const GDExtensionConstVariantPtr *p_args, GDExtensionInt p_argument_count, GDExtensionVariantPtr r_return, GDExtensionCallError *r_error);
typedef GDExtensionBool (*GDExtensionCallableCustomIsValid)(void *callable_userdata);
typedef void (*GDExtensionCallableCustomFree)(void *callable_userdata);
typedef uint32_t (*GDExtensionCallableCustomHash)(void *callable_userdata);
typedef GDExtensionBool (*GDExtensionCallableCustomEqual)(void *callable_userdata_a, void *callable_userdata_b);
typedef GDExtensionBool (*GDExtensionCallableCustomLessThan)(void *callable_userdata_a, void *callable_userdata_b);
typedef void (*GDExtensionCallableCustomToString)(void *callable_userdata, GDExtensionBool *r_is_valid, GDExtensionStringPtr r_out);
typedef struct {
/* Only `call_func` and `token` are strictly required, however, `object` should be passed if its not a static method.
*
* `token` should point to an address that uniquely identifies the GDExtension (for example, the
* `GDExtensionClassLibraryPtr` passed to the entry symbol function.
*
* `hash_func`, `equal_func`, and `less_than_func` are optional. If not provided both `call_func` and
* `callable_userdata` together are used as the identity of the callable for hashing and comparison purposes.
*
* The hash returned by `hash_func` is cached, `hash_func` will not be called more than once per callable.
*
* `is_valid_func` is necessary if the validity of the callable can change before destruction.
*
* `free_func` is necessary if `callable_userdata` needs to be cleaned up when the callable is freed.
*/
void *callable_userdata;
void *token;
GDExtensionObjectPtr object;
GDExtensionCallableCustomCall call_func;
GDExtensionCallableCustomIsValid is_valid_func;
GDExtensionCallableCustomFree free_func;
GDExtensionCallableCustomHash hash_func;
GDExtensionCallableCustomEqual equal_func;
GDExtensionCallableCustomLessThan less_than_func;
GDExtensionCallableCustomToString to_string_func;
} GDExtensionCallableCustomInfo;
/* SCRIPT INSTANCE EXTENSION */
typedef void *GDExtensionScriptInstanceDataPtr; // Pointer to custom ScriptInstance native implementation.
@@ -2262,6 +2303,34 @@ typedef void (*GDExtensionInterfacePlaceHolderScriptInstanceUpdate)(GDExtensionS
*/
typedef GDExtensionScriptInstanceDataPtr (*GDExtensionInterfaceObjectGetScriptInstance)(GDExtensionConstObjectPtr p_object, GDExtensionObjectPtr p_language);
/* INTERFACE: Callable */
/**
* @name callable_custom_create
* @since 4.2
*
* Creates a custom Callable object from a function pointer.
*
* Provided struct can be safely freed once the function returns.
*
* @param r_callable A pointer that will receive the new Callable.
* @param p_callable_custom_info The info required to construct a Callable.
*/
typedef void (*GDExtensionInterfaceCallableCustomCreate)(GDExtensionUninitializedTypePtr r_callable, GDExtensionCallableCustomInfo *p_callable_custom_info);
/**
* @name callable_custom_get_userdata
* @since 4.2
*
* Retrieves the userdata pointer from a custom Callable.
*
* If the Callable is not a custom Callable or the token does not match the one provided to callable_custom_create() via GDExtensionCallableCustomInfo then NULL will be returned.
*
* @param p_callable A pointer to a Callable.
* @param p_token A pointer to an address that uniquely identifies the GDExtension.
*/
typedef void *(*GDExtensionInterfaceCallableCustomGetUserData)(GDExtensionConstTypePtr p_callable, void *p_token);
/* INTERFACE: ClassDB */
/**