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This commit is contained in:
Terik23 2018-03-17 14:12:59 +05:00
parent 75bf3ac65e
commit 370f6b824a
2 changed files with 35 additions and 35 deletions
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57
example/example.cpp
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@ -31,43 +31,40 @@ struct SomeStruct {
void SomeMethod() { std::cout << "No called!" << std::endl; } void SomeMethod() { std::cout << "No called!" << std::endl; }
}; };
struct Long struct Long {
{ struct LL {
struct LongLong int LLLField;
{
int LongLongLongField;
}; };
LongLong LongLongField; LL LLField;
}; };
int someVar = 0; int someVar = 0;
int main() { int main() {
SomeStruct someVar{1}; SomeStruct someVar{1};
Long otherVar{}; Long otherVar{2};
int innValue{3};
SomeStruct* ptrVar = &someVar; SomeStruct* ptrVar = &someVar;
constexpr auto a = NAMEOF_VAR(someVar.SomeField); constexpr auto constexpr_work_fine = NAMEOF_VAR(innValue);
constexpr auto b = NAMEOF_VAR((&someVar)->SomeField); std::cout << constexpr_work_fine << std::endl;
constexpr auto c = NAMEOF_VAR(someVar);
constexpr auto d = NAMEOF_VAR(::someVar);
constexpr auto e = NAMEOF_VAR(&SomeStruct::SomeMethod);
constexpr auto f = NAMEOF_FUN(someVar.SomeMethod());
constexpr auto g = NAMEOF_TYPE(SomeStruct);
constexpr auto h = NAMEOF_VAR(otherVar.LongLongField.LongLongLongField);
constexpr auto i = NAMEOF_VAR(&someVar);
constexpr auto j = NAMEOF_VAR(*ptrVar);
constexpr auto k = NAMEOF_TYPE(Long::LongLong);
std::cout << a << std::endl; // SomeField std::cout << NAMEOF_TYPE(int[]) << std::endl; // int[]
std::cout << b << std::endl; // SomeField std::cout << NAMEOF_TYPE(SomeStruct) << std::endl; // SomeStruct
std::cout << c << std::endl; // someVar std::cout << NAMEOF_TYPE(Long::LL) << std::endl; // LL
std::cout << d << std::endl; // someVar
std::cout << e << std::endl; // SomeMethod std::cout << NAMEOF_FUN(someVar.SomeMethod()) << std::endl; // SomeMethod()
std::cout << f << std::endl; // SomeMethod()
std::cout << g << std::endl; // SomeStruct std::cout << NAMEOF_VAR(someVar) << std::endl; // someVar
std::cout << h << std::endl; // LongLongLongField std::cout << NAMEOF_VAR(someVar.SomeField) << std::endl; // SomeField
std::cout << i << std::endl; // someVar std::cout << NAMEOF_VAR((&someVar)->SomeField) << std::endl; // SomeField
std::cout << j << std::endl; // ptrVar std::cout << NAMEOF_VAR(::someVar) << std::endl; // someVar
std::cout << k << std::endl; // LongLong std::cout << NAMEOF_VAR(&SomeStruct::SomeMethod) << std::endl; // SomeMethod
} std::cout << NAMEOF_VAR(otherVar.LLField.LLLField) << std::endl; // LLLField
std::cout << NAMEOF_VAR(&someVar) << std::endl; // someVar
std::cout << NAMEOF_VAR(*ptrVar) << std::endl; // ptrVar
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; // unsignedValue
}

13
src/nameof.hpp
View file

@ -26,18 +26,21 @@
inline constexpr const char* template_nameof(const char* name, const size_t length) { inline constexpr const char* template_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] == '&' || 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); : template_nameof(name, length - 1);
} }
#define NAMEOF(x) template_nameof(#x, sizeof(#x) / sizeof(char) - 1) #define NAMEOF(x) #x
#define RAW_NAMEOF(x) #x
// Used to obtain the string name of a variable. // Used to obtain the string name of a variable.
#define NAMEOF_VARIABLE(variable) template_nameof_variable<decltype(variable)>(#variable, sizeof(#variable) / sizeof(char) - 1) #define NAMEOF_VARIABLE(variable) template_nameof_variable<decltype(variable)>(#variable, sizeof(#variable) / sizeof(char) - 1)