std::source_location::file_name
From cppreference.com
constexpr const char* file_name() const noexcept;
|
(since C++20) | |
Returns the name of the current source file represented by this object, represented as a null-terminated byte string.
Parameters
(none)
Return value
The name of the current source file represented by this object, represented as a null-terminated byte string.
Example
Run this code
#include <iostream>
#include <source_location>
void print_this_file_name(
std::source_location location = std::source_location::current())
{
// Name of file that contains the call site of this function.
std::cout << "File: " << location.file_name() << '\n';
}
int main()
{
#line 1 "cppreference.cpp"
print_this_file_name();
}
Output:
File: cppreference.cpp
See also
| return the line number represented by this object (public member function) | |
| return the column number represented by this object (public member function) | |
| return the name of the function represented by this object, if any (public member function) | |
gets the name of the source file that lexically contains the expression or statement whose evaluation is represented by the stacktrace_entry (public member function of std::stacktrace_entry)
| |
| Filename and line information | |