sha512sum/nameof_module
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Rewritte and clean-up code

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Terik23 2018-03-18 20:28:53 +05:00 committed by terik23
parent c1b30ac323
commit c460858d85
2 changed files with 47 additions and 39 deletions
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53
example/example.cpp
View file

@ -28,9 +28,15 @@
struct SomeStruct { struct SomeStruct {
int SomeField; int SomeField;
void SomeMethod() { std::cout << "No called!" << std::endl; } void SomeMethod1() { std::cout << "No called!" << std::endl; }
int SomeMethod2() {
std::cout << "No called!" << std::endl;
return 1;
}
}; };
void SomeMethod3() { std::cout << "No called!" << std::endl; }
struct Long { struct Long {
struct LL { struct LL {
int LLLField; int LLLField;
@ -47,34 +53,43 @@ int someVar = 0;
int main() { int main() {
SomeStruct someVar{1}; SomeStruct someVar{1};
Long otherVar{2}; Long otherVar{2};
int innValue{3}; int intValue{3};
SomeStruct* ptrVar = &someVar; SomeStruct* ptrVar = &someVar;
SomeStruct** ptrptrVar = &ptrVar; SomeStruct** ptrptrVar = &ptrVar;
constexpr auto constexpr_work_fine = NAMEOF_VAR(innValue); constexpr auto constexpr_work_fine = NAMEOF(intValue);
std::cout << constexpr_work_fine << std::endl; std::cout << constexpr_work_fine << std::endl; // intValue
std::cout << NAMEOF(someVar) << std::endl; // someVar
std::cout << NAMEOF(someVar.SomeField) << std::endl; // SomeField
std::cout << NAMEOF((&someVar)->SomeField) << std::endl; // SomeField
std::cout << NAMEOF(::someVar) << std::endl; // someVar
std::cout << NAMEOF(otherVar.LLField.LLLField) << std::endl; // LLLField
std::cout << NAMEOF(&someVar) << std::endl; // someVar
std::cout << NAMEOF(ptrVar) << std::endl; // ptrVar
std::cout << NAMEOF(*ptrVar) << std::endl; // ptrVar
std::cout << NAMEOF(ptrptrVar) << std::endl; // ptrptrVar
std::cout << NAMEOF(*ptrptrVar) << std::endl; // ptrptrVar
std::cout << NAMEOF(**ptrptrVar) << std::endl; // ptrptrVar
std::cout << NAMEOF(+intValue) << std::endl; // intValue
std::cout << NAMEOF(-intValue) << std::endl; // intValue
std::cout << NAMEOF(~intValue) << std::endl; // intValue
std::cout << NAMEOF(!intValue) << std::endl; // intValue
std::cout << NAMEOF(someVar.SomeMethod1()) << std::endl; // SomeMethod1()
std::cout << NAMEOF(&someVar.SomeMethod2) << std::endl; // SomeMethod2
std::cout << NAMEOF(SomeMethod3) << std::endl; // SomeMethod3
std::cout << NAMEOF_TYPE(int[]) << std::endl; // int[] std::cout << NAMEOF_TYPE(int[]) << std::endl; // int[]
std::cout << NAMEOF_TYPE(SomeStruct) << std::endl; // SomeStruct std::cout << NAMEOF_TYPE(SomeStruct) << std::endl; // SomeStruct
std::cout << NAMEOF_TYPE(Long::LL) << std::endl; // LL std::cout << NAMEOF_TYPE(Long::LL) << std::endl; // LL
std::cout << NAMEOF_FUN(someVar.SomeMethod()) << std::endl; // SomeMethod() std::cout << NAMEOF_FUN(someVar.SomeMethod1()) << std::endl; // SomeMethod1()
std::cout << NAMEOF_FUN(&someVar.SomeMethod2) << std::endl; // SomeMethod2
std::cout << NAMEOF_FUN(SomeMethod3) << std::endl; // SomeMethod3
std::cout << NAMEOF_VAR(someVar) << std::endl; // someVar
std::cout << NAMEOF_VAR(someVar.SomeField) << std::endl; // SomeField std::cout << NAMEOF_VAR(someVar.SomeField) << std::endl; // SomeField
std::cout << NAMEOF_VAR((&someVar)->SomeField) << std::endl; // SomeField std::cout << NAMEOF_VAR((&someVar)->SomeField) << std::endl; // SomeField
std::cout << NAMEOF_VAR(::someVar) << std::endl; // someVar std::cout << NAMEOF_VAR(::someVar) << std::endl; // someVar
std::cout << NAMEOF_VAR(&SomeStruct::SomeMethod) << std::endl; // SomeMethod
std::cout << NAMEOF_VAR(otherVar.LLField.LLLField) << std::endl; // LLLField return 0;
std::cout << NAMEOF_VAR(&someVar) << std::endl; // someVar
std::cout << NAMEOF_VAR(ptrVar) << std::endl; // ptrVar
std::cout << NAMEOF_VAR(*ptrVar) << std::endl; // ptrVar
std::cout << NAMEOF_VAR(ptrptrVar) << std::endl; // ptrptrVar
std::cout << NAMEOF_VAR(*ptrptrVar) << std::endl; // ptrptrVar
std::cout << NAMEOF_VAR(**ptrptrVar) << std::endl; // ptrptrVar
std::cout << NAMEOF_VAR(+innValue) << std::endl; // innValue
std::cout << NAMEOF_VAR(-innValue) << std::endl; // innValue
std::cout << NAMEOF_VAR(~innValue) << std::endl; // innValue
std::cout << NAMEOF_VAR(!innValue) << std::endl; // innValue
std::cout << NAMEOF_VAR(TestRValue()) << std::endl; // TestRValue()
} }

33
src/nameof.hpp
View file

@ -24,7 +24,9 @@
#pragma once #pragma once
#include <cstddef> #include <cstddef>
inline constexpr const char* template_nameof(const char* name, const size_t length) { #define NAMEOF_RAW(x) (#x)
inline constexpr const char* nameof(const char* name, const size_t length) {
return length == 0 ? name return length == 0 ? name
: (name[length - 1] == ' ' || name[length - 1] == '.' || : (name[length - 1] == ' ' || name[length - 1] == '.' ||
name[length - 1] == '>' || name[length - 1] == ':' || name[length - 1] == '>' || name[length - 1] == ':' ||
@ -32,28 +34,19 @@ inline constexpr const char* template_nameof(const char* name, const size_t leng
name[length - 1] == '+' || name[length - 1] == '~' || name[length - 1] == '+' || name[length - 1] == '~' ||
name[length - 1] == '-' || name[length - 1] == '!') name[length - 1] == '-' || name[length - 1] == '!')
? &name[length] ? &name[length]
: template_nameof(name, length - 1); : nameof(name, length - 1);
} }
#define NAMEOF(x) #x // Used to obtain the string name of a variable, function and etc.
template <typename T>
inline constexpr const char* template_nameof(const char* name, const size_t length) { return nameof(name, length); }
#define NAMEOF(name) template_nameof<decltype(name)>(NAMEOF_RAW(name), sizeof(NAMEOF_RAW(name)) / sizeof(char) - 1)
// Used to obtain the string name of a variable. #define NAMEOF_VARIABLE(variable) NAMEOF(variable)
#define NAMEOF_VARIABLE(variable) template_nameof_variable(variable, #variable, sizeof(#variable) / sizeof(char) - 1)
template <typename T>
inline constexpr const char* template_nameof_variable(const T& variable, const char* name, const size_t length) { return template_nameof(name, length); }
template <typename T>
inline constexpr const char* template_nameof_variable(const T* const variable, const char* name, const size_t length) { return template_nameof(name, length); }
template <typename T>
inline constexpr const char* template_nameof_variable(T&& variable, const char* name, const size_t length) { return template_nameof(name, length); }
#define NAMEOF_VAR(var) NAMEOF_VARIABLE(var) #define NAMEOF_VAR(var) NAMEOF_VARIABLE(var)
// Used to obtain the string name of a type. #define NAMEOF_FUNCTION(function) NAMEOF(function)
#define NAMEOF_TYPE(type) template_nameof_type<type>(#type, sizeof(#type) / sizeof(char) - 1)
template <typename T>
inline constexpr const char* template_nameof_type(const char* name, const size_t length) { return template_nameof(name, length); }
// Used to obtain the string name of a function.
#define NAMEOF_FUNCTION(function) template_nameof_function<decltype(function)>(#function, sizeof(#function) / sizeof(char) - 1)
template <typename T>
inline constexpr const char* template_nameof_function(const char* name, const size_t length) { return template_nameof(name, length); }
#define NAMEOF_FUN(fun) NAMEOF_FUNCTION(fun) #define NAMEOF_FUN(fun) NAMEOF_FUNCTION(fun)
// Used to obtain the string name of a type.
#define NAMEOF_TYPE(type) template_nameof<type>(NAMEOF_RAW(type), sizeof(NAMEOF_RAW(type)) / sizeof(char) - 1)