mirror of
https://github.com/nlohmann/json.git
synced 2024-11-27 16:49:02 +08:00
44 lines
1.2 KiB
C++
44 lines
1.2 KiB
C++
#include <cstdlib>
|
|
#include <iostream>
|
|
#include <sstream>
|
|
|
|
using namespace std;
|
|
|
|
void build_code(int max_args)
|
|
{
|
|
stringstream ss;
|
|
ss << "#define NLOHMANN_JSON_EXPAND( x ) x" << endl;
|
|
ss << "#define NLOHMANN_JSON_GET_MACRO(";
|
|
for (int i = 0 ; i < max_args ; i++)
|
|
ss << "_" << i + 1 << ", ";
|
|
ss << "NAME,...) NAME" << endl;
|
|
|
|
ss << "#define NLOHMANN_JSON_PASTE(...) NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_GET_MACRO(__VA_ARGS__, \\" << endl;
|
|
for (int i = max_args ; i > 1 ; i--)
|
|
ss << "NLOHMANN_JSON_PASTE" << i << ", \\" << endl;
|
|
ss << "NLOHMANN_JSON_PASTE1)(__VA_ARGS__))" << endl;
|
|
|
|
ss << "#define NLOHMANN_JSON_PASTE2(func, v1) func(v1)" << endl;
|
|
for (int i = 3 ; i <= max_args ; i++)
|
|
{
|
|
ss << "#define NLOHMANN_JSON_PASTE" << i << "(func, ";
|
|
for (int j = 1 ; j < i -1 ; j++)
|
|
ss << "v" << j << ", ";
|
|
ss << "v" << i-1 << ") NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE" << i-1 << "(func, ";
|
|
for (int j = 2 ; j < i-1 ; j++)
|
|
ss << "v" << j << ", ";
|
|
ss << "v" << i-1 << ")" << endl;
|
|
}
|
|
|
|
cout << ss.str() << endl;
|
|
}
|
|
|
|
int main(int argc, char** argv)
|
|
{
|
|
int max_args = 64;
|
|
build_code(max_args);
|
|
|
|
return 0;
|
|
}
|
|
|