Flecs v4.0
A fast entity component system (ECS) for C & C++
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enum.hpp File Reference

Compile time enum reflection utilities. More...

#include <string.h>
#include <limits>
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Classes

struct  flecs::_::to_constant< E, Value >
 
struct  flecs::enum_last< E >
 
struct  flecs::_::enum_is_valid< E, C >
 
struct  flecs::_::enum_constant_data< T >
 Enumeration constant data. More...
 
struct  flecs::_::enum_reflection< E, Handler >
 Provides utilities for enum reflection. More...
 
struct  flecs::_::enum_data_impl< E >
 Enumeration type data. More...
 
struct  flecs::_::enum_type< E >
 Class that scans an enum for constants, extracts names & creates entities. More...
 
struct  flecs::enum_data< E >
 Convenience type with enum reflection data. More...
 

Namespaces

namespace  flecs::_
 Int to enum.
 

Macros

#define FLECS_ENUM_MAX(T)   _::to_constant<T, 126>::value
 
#define FLECS_ENUM_MAX_COUNT   (FLECS_ENUM_MAX(int) + 1)
 
#define FLECS_CPP_ENUM_REFLECTION_SUPPORT   1
 
#define flecs_enum_cast(T, v)   static_cast<T>(v)
 
#define FLECS_ENUM_LAST(T, Last)
 
#define ECS_SIZE_T_STR   "constexpr size_t; size_t = long unsigned int"
 

Functions

template<typename E >
constexpr size_t flecs::_::enum_type_len ()
 
template<typename E , E C>
constexpr bool flecs::_::enum_constant_is_valid ()
 Test if value is valid for enumeration.
 
template<typename E , underlying_type_t< E > C>
constexpr bool flecs::_::enum_constant_is_valid_wrap ()
 
template<typename E >
enum_data< E > flecs::enum_type (flecs::world_t *world)
 Convenience function for getting enum reflection data.
 

Detailed Description

Compile time enum reflection utilities.

Discover at compile time valid enumeration constants for an enumeration type and their names. This is used to automatically register enum constants.

Definition in file enum.hpp.

Macro Definition Documentation

◆ ECS_SIZE_T_STR

#define ECS_SIZE_T_STR   "constexpr size_t; size_t = long unsigned int"

Definition at line 87 of file enum.hpp.

◆ FLECS_CPP_ENUM_REFLECTION_SUPPORT

#define FLECS_CPP_ENUM_REFLECTION_SUPPORT   1

Definition at line 25 of file enum.hpp.

◆ flecs_enum_cast

#define flecs_enum_cast ( T,
v )   static_cast<T>(v)

Definition at line 35 of file enum.hpp.

◆ FLECS_ENUM_LAST

#define FLECS_ENUM_LAST ( T,
Last )
Value:
namespace flecs {\
template<>\
struct enum_last<T> {\
static constexpr T value = Last;\
};\
}

Definition at line 64 of file enum.hpp.

◆ FLECS_ENUM_MAX

#define FLECS_ENUM_MAX ( T)    _::to_constant<T, 126>::value

Definition at line 14 of file enum.hpp.

◆ FLECS_ENUM_MAX_COUNT

#define FLECS_ENUM_MAX_COUNT   (FLECS_ENUM_MAX(int) + 1)

Definition at line 15 of file enum.hpp.

Function Documentation

◆ enum_type()

template<typename E >
enum_data< E > flecs::enum_type ( flecs::world_t * world)

Convenience function for getting enum reflection data.

Definition at line 495 of file enum.hpp.