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Runtime type information

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This commit is contained in:
SoraKatadzuma
2026-08-28 10:37:43 -05:00
parent 2dda4bfb6f
commit ed0764b9ea
9 changed files with 518 additions and 281 deletions
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include/malunal/type.h
+211
View File
@@ -36,6 +36,27 @@
#define null ((malunal_mptr_t)0)
#endif /* null */
/**
* @def true
* @brief Defines the value of the boolean true.
* @details This is here just in case it is not defined anywhere else, to make
* boolean usage easier.
*/
#ifndef true
#define true 1
#endif /* true */
/**
* @def false
* @brief Defines the value of the boolean false.
* @details This is here just in case it is not defined anywhere else, to make
* boolean usage easier.
*/
#ifndef false
#define false 0
#endif /* false */
/**
* @brief Our own definition of @c void.
* @details This is provided, like all of the types in this header, to meet
@@ -60,5 +81,195 @@ typedef void* malunal_mptr_t;
*/
typedef const void* malunal_iptr_t;
/**
* @brief Our own definition of @c bool.
* @details This is provided, like all of the types in this header, to meet
* modern standards and to exist specifically to match how we name
* many of our other types.
*/
typedef _Bool malunal_bool_t;
/**
* @brief Our own definition of @c char.
* @details This is provided, like all of the types in this header, to meet
* modern standards and to exist specifically to match how we name
* many of our other types.
*/
typedef char malunal_char_t;
/**
* @brief Our own definition of a mutable string.
* @details This is provided, like all of the types in this header, to meet
* modern standards and to exist specifically to match how we name
* many of our other types.
*/
typedef char* malunal_str_t;
/**
* @brief Our own definition of a immutable string.
* @details This is provided, like all of the types in this header, to meet
* modern standards and to exist specifically to match how we name
* many of our other types.
*/
typedef const char* malunal_cstr_t;
/**
* @brief Our own definition of an 8-bit signed integer.
* @details This is provided, like all of the types in this header, to meet
* modern standards and to exist specifically to match how we name
* many of our other types.
*/
typedef signed char malunal_int8_t;
/**
* @brief Our own definition of an 16-bit signed integer.
* @details This is provided, like all of the types in this header, to meet
* modern standards and to exist specifically to match how we name
* many of our other types.
*/
typedef signed short malunal_int16_t;
/**
* @brief Our own definition of an 32-bit signed integer.
* @details This is provided, like all of the types in this header, to meet
* modern standards and to exist specifically to match how we name
* many of our other types.
*/
typedef signed int malunal_int32_t;
/**
* @brief Our own definition of an 8-bit unsigned integer.
* @details This is provided, like all of the types in this header, to meet
* modern standards and to exist specifically to match how we name
* many of our other types.
*/
typedef unsigned char malunal_uint8_t;
/**
* @brief Our own definition of an 16-bit unsigned integer.
* @details This is provided, like all of the types in this header, to meet
* modern standards and to exist specifically to match how we name
* many of our other types.
*/
typedef unsigned short malunal_uint16_t;
/**
* @brief Our own definition of an 32-bit unsigned integer.
* @details This is provided, like all of the types in this header, to meet
* modern standards and to exist specifically to match how we name
* many of our other types.
*/
typedef unsigned int malunal_uint32_t;
/**
* @typedef malunal_int64_t
* @brief Our own definition of an 64-bit signed integer.
* @details This is provided, like all of the types in this header, to meet
* modern standards and to exist specifically to match how we name
* many of our other types.
*/
/**
* @typedef malunal_uint64_t
* @brief Our own definition of an 64-bit unsigned integer.
* @details This is provided, like all of the types in this header, to meet
* modern standards and to exist specifically to match how we name
* many of our other types.
*/
#if defined(_MSC_VER)
typedef signed __int64 malunal_int64_t;
typedef unsigned __int64 malunal_uint64_t;
#else
typedef signed long long malunal_int64_t;
typedef unsigned long long malunal_uint64_t;
#endif /* Compiler specific. */
/**
* @typedef malunal_ptrdiff_t
* @brief Our own definition of an 64-bit pointer difference.
* @details This is provided, like all of the types in this header, to meet
* modern standards and to exist specifically to match how we name
* many of our other types.
*/
/**
* @typedef malunal_intptr_t
* @brief Our own definition of an 64-bit signed integer pointer.
* @details This is provided, like all of the types in this header, to meet
* modern standards and to exist specifically to match how we name
* many of our other types.
*/
/**
* @typedef malunal_size_t
* @brief Our own definition of an 64-bit unsigned integer.
* @details This is provided, like all of the types in this header, to meet
* modern standards and to exist specifically to match how we name
* many of our other types.
*/
/**
* @typedef malunal_uintptr_t
* @brief Our own definition of an 64-bit unsigned integer pointer.
* @details This is provided, like all of the types in this header, to meet
* modern standards and to exist specifically to match how we name
* many of our other types.
*/
#if MALUNAL_POINTER_SIZE == 8
typedef malunal_int64_t malunal_ptrdiff_t;
typedef malunal_int64_t malunal_intptr_t;
typedef malunal_uint64_t malunal_size_t;
typedef malunal_uint64_t malunal_uintptr_t;
#elif MALUNAL_POINTER_SIZE == 4
typedef malunal_int32_t malunal_ptrdiff_t;
typedef malunal_int32_t malunal_intptr_t;
typedef malunal_uint32_t malunal_size_t;
typedef malunal_uint32_t malunal_uintptr_t;
#else
# error "Unsupported pointer size"
#endif
_Static_assert(
sizeof(malunal_int8_t) == 1,
"malunal_int8_t must be 1 byte"
);
_Static_assert(
sizeof(malunal_int16_t) == 2,
"malunal_int16_t must be 2 bytes"
);
_Static_assert(
sizeof(malunal_int32_t) == 4,
"malunal_int32_t must be 4 bytes"
);
_Static_assert(
sizeof(malunal_int64_t) == 8,
"malunal_int64_t must be 8 bytes"
);
_Static_assert(
sizeof(malunal_size_t) == sizeof(void*),
"malunal_size_t must match pointer width"
);
_Static_assert(
sizeof(malunal_uintptr_t) == sizeof(void*),
"malunal_uintptr_t must match pointer width"
);
/**
* @def define_struct
* @brief Defines a structure and its pointer types.
* @details This simplifies the way we typically define our structures, in which
* we define the structure itself and type definitions for the mutable
* and immutable pointers to that structure.
* @param name The name of the structure.
*/
#define define_struct(name) \
typedef struct name name##_t; \
typedef name##_t* name##_mptr_t; \
typedef const name##_t* name##_iptr_t; \
struct name
#endif /* MALUNAL_TYPES_HEADER */
include/malunal/types/bool.h
-38
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@@ -1,38 +0,0 @@
/**
* @file bool.h
* @brief Contains the definition of a boolean type and its possible values.
* @author John Christman (sorakatadzuma@gmail.com)
* @copyright Malunal Studios, LLC.
*/
#ifndef MALUNAL_TYPES_BOOL_HEADER
#define MALUNAL_TYPES_BOOL_HEADER
/**
* @def true
* @brief Defines the value of the boolean true.
* @details This is here just in case it is not defined anywhere else, to make
* boolean usage easier.
*/
#ifndef true
#define true 1
#endif /* true */
/**
* @def false
* @brief Defines the value of the boolean false.
* @details This is here just in case it is not defined anywhere else, to make
* boolean usage easier.
*/
#ifndef false
#define false 0
#endif /* false */
/**
* @brief Our own definition of @c bool.
* @details This is provided, like all of the types in this header, to meet
* modern standards and to exist specifically to match how we name
* many of our other types.
*/
typedef _Bool malunal_bool_t;
#endif /* MALUNAL_TYPES_BOOL_HEADER */
include/malunal/types/error.h
+1 -2
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@@ -5,8 +5,7 @@
* @author John Christman (sorakatadzuma@gmail.com)
* @copyright Malunal Studios, LLC.
*/
#include "integer.h"
#include "string.h"
#include "../type.h"
#ifndef MALUNAL_TYPES_ERROR_HEADER
#define MALUNAL_TYPES_ERROR_HEADER
include/malunal/types/integer.h
-158
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@@ -1,158 +0,0 @@
/**
* @file int.h
* @brief Contains all of the integer related type definitions.
* @author John Christman (sorakatadzuma@gmail.com)
* @copyright Malunal Studios, LLC.
*/
#include "../type.h"
#ifndef MALUNAL_TYPES_INT_HEADER
#define MALUNAL_TYPES_INT_HEADER
/**
* @brief Our own definition of an 8-bit signed integer.
* @details This is provided, like all of the types in this header, to meet
* modern standards and to exist specifically to match how we name
* many of our other types.
*/
typedef signed char malunal_int8_t;
/**
* @brief Our own definition of an 16-bit signed integer.
* @details This is provided, like all of the types in this header, to meet
* modern standards and to exist specifically to match how we name
* many of our other types.
*/
typedef signed short malunal_int16_t;
/**
* @brief Our own definition of an 32-bit signed integer.
* @details This is provided, like all of the types in this header, to meet
* modern standards and to exist specifically to match how we name
* many of our other types.
*/
typedef signed int malunal_int32_t;
/**
* @brief Our own definition of an 8-bit unsigned integer.
* @details This is provided, like all of the types in this header, to meet
* modern standards and to exist specifically to match how we name
* many of our other types.
*/
typedef unsigned char malunal_uint8_t;
/**
* @brief Our own definition of an 16-bit unsigned integer.
* @details This is provided, like all of the types in this header, to meet
* modern standards and to exist specifically to match how we name
* many of our other types.
*/
typedef unsigned short malunal_uint16_t;
/**
* @brief Our own definition of an 32-bit unsigned integer.
* @details This is provided, like all of the types in this header, to meet
* modern standards and to exist specifically to match how we name
* many of our other types.
*/
typedef unsigned int malunal_uint32_t;
/**
* @typedef malunal_int64_t
* @brief Our own definition of an 64-bit signed integer.
* @details This is provided, like all of the types in this header, to meet
* modern standards and to exist specifically to match how we name
* many of our other types.
*/
/**
* @typedef malunal_uint64_t
* @brief Our own definition of an 64-bit unsigned integer.
* @details This is provided, like all of the types in this header, to meet
* modern standards and to exist specifically to match how we name
* many of our other types.
*/
#if defined(_MSC_VER)
typedef signed __int64 malunal_int64_t;
typedef unsigned __int64 malunal_uint64_t;
#else
typedef signed long long malunal_int64_t;
typedef unsigned long long malunal_uint64_t;
#endif /* Compiler specific. */
/**
* @typedef malunal_ptrdiff_t
* @brief Our own definition of an 64-bit pointer difference.
* @details This is provided, like all of the types in this header, to meet
* modern standards and to exist specifically to match how we name
* many of our other types.
*/
/**
* @typedef malunal_intptr_t
* @brief Our own definition of an 64-bit signed integer pointer.
* @details This is provided, like all of the types in this header, to meet
* modern standards and to exist specifically to match how we name
* many of our other types.
*/
/**
* @typedef malunal_size_t
* @brief Our own definition of an 64-bit unsigned integer.
* @details This is provided, like all of the types in this header, to meet
* modern standards and to exist specifically to match how we name
* many of our other types.
*/
/**
* @typedef malunal_uintptr_t
* @brief Our own definition of an 64-bit unsigned integer pointer.
* @details This is provided, like all of the types in this header, to meet
* modern standards and to exist specifically to match how we name
* many of our other types.
*/
#if MALUNAL_POINTER_SIZE == 8
typedef malunal_int64_t malunal_ptrdiff_t;
typedef malunal_int64_t malunal_intptr_t;
typedef malunal_uint64_t malunal_size_t;
typedef malunal_uint64_t malunal_uintptr_t;
#elif MALUNAL_POINTER_SIZE == 4
typedef malunal_int32_t malunal_ptrdiff_t;
typedef malunal_int32_t malunal_intptr_t;
typedef malunal_uint32_t malunal_size_t;
typedef malunal_uint32_t malunal_uintptr_t;
#else
# error "Unsupported pointer size"
#endif
_Static_assert(
sizeof(malunal_int8_t) == 1,
"malunal_int8_t must be 1 byte"
);
_Static_assert(
sizeof(malunal_int16_t) == 2,
"malunal_int16_t must be 2 bytes"
);
_Static_assert(
sizeof(malunal_int32_t) == 4,
"malunal_int32_t must be 4 bytes"
);
_Static_assert(
sizeof(malunal_int64_t) == 8,
"malunal_int64_t must be 8 bytes"
);
_Static_assert(
sizeof(malunal_size_t) == sizeof(void*),
"malunal_size_t must match pointer width"
);
_Static_assert(
sizeof(malunal_uintptr_t) == sizeof(void*),
"malunal_uintptr_t must match pointer width"
);
#endif /* MALUNAL_TYPES_INT_HEADER */
include/malunal/types/object.h
+68 -44
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@@ -1,12 +1,12 @@
/**
* @file object.h
* @brief Contains the definition of the virtual function table for the object
* interface and the object interface itself.
* @brief Contains the definition of the virtual function table for the
* @c object interface and the @c object interface itself.
* @author John Christman (sorakatadzuma@gmail.com)
* @copyright Malunal Studios, LLC.
*/
#include "error.h"
#include "uuid.h"
#include "rtti.h"
#ifndef MALUNAL_TYPES_OBJECT_HEADER
#define MALUNAL_TYPES_OBJECT_HEADER
@@ -21,57 +21,33 @@ const uuid_t
UUID_OBJECT_T;
/**
* @brief Defines the object virtual function table.
* @details Implementing classes of the object interface are expected to provide
* valid pointers to these functions that are implementation specific.
* @brief Imports an external constant for the error domain of @c object_t.
* @details This is needed to detect from what domain an error has come from,
* so that error codes can mean different things based on its domain.
*/
typedef struct {
/**
* @brief A pointer to a function which can will attempt to cast the given
* type specified by the @c uuid pointer, placing the address of the
* casted type into the @c out parameter, and indicating any error in
* the return value.
* @param self A pointer to the object to be scrutinized.
* @param uuid A pointer to The UUID of the interface or class from which
* @c self inherits.
* @param out A pointer to the location where a pointer to the base type that
* the @c uuid represents will be stored.
* @returns An error code if the object could not be casted.
*/
error_t(*const cast)(malunal_mptr_t self, uuid_iptr_t uuid, malunal_mptr_t* out);
extern
const error_domain_t
ERROR_DOMAIN_OBJECT_T;
/**
* @brief A pointer to a function which can retain a reference on the given
* generic object, returning the current number of references.
* @param self A pointer to the object that will be reference counted.
* @returns The number of references attached to the object after retaining a
* new reference.
*/
malunal_uint32_t(*const retain)(malunal_mptr_t self);
/**
* @brief A pointer to a function which can release a reference on the given
* generic object, returning the current number of references.
* @param self A pointer to the object that will be reference counted.
* @returns The number of reference still attached to the object after releasing
* an old reference.
*/
malunal_uint32_t(*const release)(malunal_mptr_t self);
} object_vtable_t;
/**
* @brief Defines the object interface object.
* @details Since this is only an interface, it only contains a pointer to the
* virtual table for itself. Other object which implement this, may
* come with member variables.
* runtime type information for itself. Other objects which implement
* this interface, should be able to provide its runtime type
* information through this pointer.
*/
typedef struct {
/**
* @brief A pointer to an immutable object virtual function table.
* @details Contains function pointers to the object specific functions that
* make this object function as one.
* @brief The runtime type information for this object.
* @details Designed to provide information about the functional capabilities
* of this object from the perspective of the concrete type. Runtime
* type information provides the concrete type UUID, the size of the
* object, its interfaces, and its properties. This makes it possible
* to introspectively look at the object if all that is provided to a
* function is an @c object_t pointer.
*/
const object_vtable_t* vtable;
rtti_iptr_t rtti;
} object_t;
/**
@@ -88,4 +64,52 @@ typedef object_t* object_mptr_t;
*/
typedef const object_t* object_iptr_t;
/**
* @brief A set of errors which an object itself may produce.
* @details These are very generic and designed for the object functions and the
* possible outputs from it. If an object function receives a null
* object or output pointer there are error codes for that. Likewise,
* if the object could not find a requested interface or property,
* there are error codes for that as well.
*/
typedef enum {
OBJECT_ERROR_NULL_OBJECT,
OBJECT_ERROR_NULL_OUTPUT,
OBJECT_ERROR_NOT_MY_INTERFACE,
OBJECT_ERROR_NOT_MY_PROPERTY
} object_error_t;
/**
* @brief Queries the object for the interface defined by @c iid.
* @param obj The object to query for the interface.
* @param iid The type UUID of the interface to query for.
* @param intf A pointer to where to store the interface information.
* @returns An error code if the object or the output is null or if the interface
* could not be found.
*/
error_t
object_query_interface(
object_iptr_t obj,
uuid_iptr_t iid,
rtti_intf_mptr_t intf
);
/**
* @brief Queries the object for the property defined by @c name.
* @param obj The object to query for the property.
* @param name The name of the property to query.
* @param prop A pointer to where to store the property information.
* @returns An error code if the object or the output is null or if the property
* could not be found.
*/
error_t
object_query_property(
object_iptr_t obj,
malunal_cstr_t name,
rtti_prop_mptr_t prop
);
#endif /* MALUNAL_TYPES_OBJECT_HEADER */
include/malunal/types/rtti.h
+161
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@@ -0,0 +1,161 @@
/**
* @file rtti.h
* @brief Contains the definition of the runtime type information structures.
* @author John Christman (sorakatadzuma@gmail.com)
* @copyright Malunal Studios, LLC.
*/
#include "uuid.h"
#ifndef MALUNAL_TYPES_RTTI_HEADER
#define MALUNAL_TYPES_RTTI_HEADER
/**
* @brief Defines a runtime type information interface entry.
* @details This represents an entry into the runtime type information structure
* specifically for the interface of an object. A pointer to the type
* UUID and virtual function table is the fields that it provides. The
* combination of those fields makes is possible to query an interface
* from the given object.
*/
typedef struct {
/**
* @brief A pointer to the interface UUID.
* @details This is provided such that querying an interface is quicker and
* can be generic; that implementations do not need to specify the
* mapping of their inteface virtual function tables.
*/
uuid_iptr_t iid;
/**
* @brief A pointer to the virtual function table of the interface.
* @details This is the provided value when an interface is queried from an
* object successfully.
*/
malunal_iptr_t vtable;
} rtti_intf_t;
/**
* @brief A pointer to a mutable runtime type information interface entry.
* @details This is provided to simplify type declarations for functions
* requiring runtime type information interface entries that are meant
* to be mutable.
*/
typedef rtti_intf_t* rtti_intf_mptr_t;
/**
* @brief A pointer to an immutable runtime type information interface entry.
* @details This is provided to simplify type declarations for functions
* requiring runtime type informaiton interface entries that are meant
* to be immutable.
*/
typedef const rtti_intf_t* rtti_intf_iptr_t;
/**
* @brief Defines a runtime type information property entry.
* @details This represents an entry into the runtime type information structure
* specifically for the properties of an object. A pointer to the name
* of the property and its own runtime type information is provided.
* The combination of those fields make it possible to query a property
* from the given object as if there was readonly reflection.
*/
typedef struct {
/**
* @brief The name of the property.
* @details This, like the interface UUID, make it possible to query the
* property of the object.
*/
malunal_cstr_t name;
/**
* @brief The runtime type information of the property.
* @details The runtime type information of the property makes it possible to
* support a type of readonly reflection of the object. The object
* interface provides a function for obtaining the mutable value of
* the property.
*/
malunal_iptr_t rtti;
} rtti_prop_t;
/**
* @brief A pointer to a mutable runtime type information property entry.
* @details This is provided to simplify type declarations for functions
* requiring runtime type information property entries that are meant
* to be mutable.
*/
typedef rtti_prop_t* rtti_prop_mptr_t;
/**
* @brief A pointer to an immutable runtime type information property entry.
* @details This is provided to simplify type declarations for functions
* requiring runtime type information property entries that are meant
* to be immutable.
*/
typedef const rtti_prop_t* rtti_prop_iptr_t;
/**
* @brief Defines a runtime type information structure.
* @details The runtime type information structure is provided on an object in
* order to well define what type an object is, how large it is, its
* interfaces, and its properties. This is useful when performing type
* identification and checking, as well as object casting.
*/
typedef struct {
/**
* @brief The class UUID of the object.
* @details This is a concrete type UUID. It distinguishes each object by
* their type such that two objects cannot be cast to each other.
*/
uuid_iptr_t clsid;
/**
* @brief The stride of this object.
* @details
*/
malunal_size_t stride;
/**
* @brief A pointer to the interface entries of this runtime type information.
* @details This contains the UUIDs and virtual function tables of all the
* interfaces that the current object implements.
*/
rtti_intf_iptr_t pIntfs;
/**
* @brief A pointer to the property entries of this runtime type information.
* @details This contains the name and runtime type information of all the
* properties that the current object has.
*/
rtti_prop_iptr_t pProps;
/**
* @brief The number of interface entries in this runtime type information.
* @details This is provided to allow the interfaces to be iterated during the
* querying operation.
*/
malunal_size_t nIntfs;
/**
* @brief The number of property entries in this runtime type information.
* @details This is provided to allow the properties to be iterated during the
* querying operation and for obtaining the value of a property.
*/
malunal_size_t nProps;
} rtti_t;
/**
* @brief A pointer to a mutable runtime type information.
* @details This is provided to simplify type declarations for functions
* requiring runtime type information that are meant to be mutable.
*/
typedef rtti_t* rtti_mptr_t;
/**
* @brief A pointer to an immutable runtime type information.
* @details This is provided to simplify type declarations for functions
* requiring runtime type information that are meant to be immutable.
*/
typedef const rtti_t* rtti_iptr_t;
#endif /* MALUNAL_TYPES_RTTI_HEADER */
include/malunal/types/string.h
-37
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@@ -1,37 +0,0 @@
/**
* @file string.h
* @brief Contains the definitions of character and string types.
* @author John Christman (sorakatadzuma@gmail.com)
* @copyright Malunal Studios, LLC.
*/
#include "../type.h"
// TODO: add support for wide characters.
#ifndef MALUNAL_TYPES_STRING_HEADER
#define MALUNAL_TYPES_STRING_HEADER
/**
* @brief Our own definition of @c char.
* @details This is provided, like all of the types in this header, to meet
* modern standards and to exist specifically to match how we name
* many of our other types.
*/
typedef char malunal_char_t;
/**
* @brief Our own definition of a mutable string.
* @details This is provided, like all of the types in this header, to meet
* modern standards and to exist specifically to match how we name
* many of our other types.
*/
typedef char* malunal_str_t;
/**
* @brief Our own definition of a immutable string.
* @details This is provided, like all of the types in this header, to meet
* modern standards and to exist specifically to match how we name
* many of our other types.
*/
typedef const char* malunal_cstr_t;
#endif /* MALUNAL_TYPES_STRING_HEADER */
include/malunal/types/uuid.h
+1 -2
View File
@@ -4,8 +4,7 @@
* @author John Christman (sorakatadzuma@gmail.com)
* @copyright Malunal Studios, LLC.
*/
#include "bool.h"
#include "integer.h"
#include "../type.h"
#ifndef MALUNAL_TYPES_UUID_HEADER
#define MALUNAL_TYPES_UUID_HEADER
source/object.c
+76
View File
@@ -1,3 +1,4 @@
#include <memory.h>
#include "malunal/types/object.h"
@@ -12,3 +13,78 @@ const uuid_t UUID_OBJECT_T = {
0x6C, 0x9C, 0x3A
}
};
error_t
object_query_interface(
object_iptr_t obj,
uuid_iptr_t iid,
rtti_intf_mptr_t intf
) {
if (obj == null)
return (error_t) {
.domain = &ERROR_DOMAIN_OBJECT_T,
.code = OBJECT_ERROR_NULL_OBJECT
};
if (intf == null)
return (error_t) {
.domain = &ERROR_DOMAIN_OBJECT_T,
.code = OBJECT_ERROR_NULL_OUTPUT
};
malunal_size_t index;
rtti_intf_mptr_t entry;
for (index = 0; index < obj->rtti->nIntfs; index++) {
entry = &obj->rtti->pIntfs[index];
if (uuid_equals(iid, entry->iid)) {
intf->iid = entry->iid;
intf->vtable = entry->vtable;
return NO_ERROR;
}
}
intf->iid = null;
intf->vtable = null;
return (error_t) {
.domain = &ERROR_DOMAIN_OBJECT_T,
.code = OBJECT_ERROR_NOT_MY_INTERFACE
};
}
error_t
object_query_property(
object_iptr_t obj,
malunal_cstr_t name,
rtti_prop_mptr_t prop
) {
if (obj == null)
return (error_t) {
.domain = &ERROR_DOMAIN_OBJECT_T,
.code = OBJECT_ERROR_NOT_MY_INTERFACE
};
if (prop == null)
return (error_t) {
.domain = &ERROR_DOMAIN_OBJECT_T,
.code = OBJECT_ERROR_NULL_OUTPUT
};
malunal_size_t index;
rtti_prop_mptr_t entry;
for (index = 0; index < obj->rtti->nProps; index++) {
entry = &obj->rtti->pProps[index];
if (strcmp(name, entry->name) == 0) {
prop->name = entry->name;
prop->rtti = entry->rtti;
return NO_ERROR;
}
}
prop->name = null;
prop->rtti = null;
return (error_t) {
.domain = &ERROR_DOMAIN_OBJECT_T,
.code = OBJECT_ERROR_NOT_MY_PROPERTY
};
}