mirror of
https://github.com/nlohmann/json.git
synced 2024-07-16 03:15:44 +02:00
86 lines
1.8 KiB
C++
86 lines
1.8 KiB
C++
#include <cstdlib>
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#include <iostream>
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#include <sstream>
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#include "../../single_include/nlohmann/json.hpp"
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using namespace std;
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void build_code(int max_args)
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{
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stringstream ss;
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ss << "#define NLOHMANN_JSON_EXPAND( x ) x" << endl;
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ss << "#define NLOHMANN_JSON_GET_MACRO(";
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for (int i = 0 ; i < max_args ; i++)
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ss << "_" << i + 1 << ", ";
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ss << "NAME,...) NAME" << endl;
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ss << "#define NLOHMANN_JSON_PASTE(...) NLOHMANN_JSON_EXPAND(NLOHMANN_JSON_GET_MACRO(__VA_ARGS__, \\" << endl;
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for (int i = max_args ; i > 1 ; i--)
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ss << "NLOHMANN_JSON_PASTE" << i << ", \\" << endl;
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ss << "NLOHMANN_JSON_PASTE1)(__VA_ARGS__))" << endl;
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ss << "#define NLOHMANN_JSON_PASTE2(func, v1) func(v1)" << endl;
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for (int i = 3 ; i <= max_args ; i++)
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{
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ss << "#define NLOHMANN_JSON_PASTE" << i << "(func, ";
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for (int j = 1 ; j < i -1 ; j++)
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ss << "v" << j << ", ";
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ss << "v" << i-1 << ") NLOHMANN_JSON_PASTE2(func, v1) NLOHMANN_JSON_PASTE" << i-1 << "(func, ";
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for (int j = 2 ; j < i-1 ; j++)
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ss << "v" << j << ", ";
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ss << "v" << i-1 << ")" << endl;
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}
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cout << ss.str() << endl;
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}
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struct example_struct
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{
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int a;
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int b;
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int c;
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int d;
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int e;
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int f;
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int g;
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int h;
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int i;
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int j;
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int k;
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int l;
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int m;
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int n;
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int o;
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int p;
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int q;
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int r;
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int s;
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int t;
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int u;
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int v;
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int w;
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int x;
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int y;
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int z;
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NLOHMANN_DEFINE_TYPE_INTRUSIVE(example_struct, a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s, t, u, v, w, x, y, z)
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};
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void test_code()
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{
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example_struct a;
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nlohmann::json j = a;
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cout << j << endl;
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}
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/*
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*
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*/
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int main(int argc, char** argv)
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{
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int max_args = 64;
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build_code(max_args);
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// test_code();
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return 0;
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}
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