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-rw-r--r--3rdparty/sol2/examples/customization.cpp91
1 files changed, 0 insertions, 91 deletions
diff --git a/3rdparty/sol2/examples/customization.cpp b/3rdparty/sol2/examples/customization.cpp
deleted file mode 100644
index 45280e5989b..00000000000
--- a/3rdparty/sol2/examples/customization.cpp
+++ /dev/null
@@ -1,91 +0,0 @@
-#include <sol.hpp>
-
-#include <iostream>
-#include <iomanip>
-#include <cassert>
-
-struct two_things {
- int a;
- bool b;
-};
-
-namespace sol {
-
- // First, the expected size
- // Specialization of a struct
- template <>
- struct lua_size<two_things> : std::integral_constant<int, 2> {};
-
- // Now, specialize various stack structures
- namespace stack {
-
- template <>
- struct checker<two_things> {
- template <typename Handler>
- static bool check(lua_State* L, int index, Handler&& handler, record& tracking) {
- // indices can be negative to count backwards from the top of the stack,
- // rather than the bottom up
- // to deal with this, we adjust the index to
- // its absolute position using the lua_absindex function
- int absolute_index = lua_absindex(L, index);
- // Check first and second second index for being the proper types
- bool success = stack::check<int>(L, absolute_index + 1, handler)
- && stack::check<bool>(L, absolute_index, handler);
- tracking.use(2);
- return success;
- }
- };
-
- template <>
- struct getter<two_things> {
- static two_things get(lua_State* L, int index, record& tracking) {
- int absolute_index = lua_absindex(L, index);
- // Get the first element
- int a = stack::get<int>(L, absolute_index);
- // Get the second element,
- // in the +1 position from the first
- bool b = stack::get<bool>(L, absolute_index + 1);
- // we use 2 slots, each of the previous takes 1
- tracking.use(2);
- return two_things{ a, b };
- }
- };
-
- template <>
- struct pusher<two_things> {
- static int push(lua_State* L, const two_things& things) {
- int amount = stack::push(L, things.a);
- // amount will be 1: int pushes 1 item
- amount += stack::push(L, things.b);
- // amount 2 now, since bool pushes a single item
- // Return 2 things
- return amount;
- }
- };
-
- }
-}
-
-int main() {
- sol::state lua;
-
- // Create a pass-through style of function
- lua.script("function f ( a, b ) return a, b end");
-
- // get the function out of Lua
- sol::function f = lua["f"];
-
- two_things things = f(two_things{ 24, true });
- assert(things.a == 24);
- assert(things.b == true);
- // things.a == 24
- // things.b == true
-
- std::cout << "=== customization example ===" << std::endl;
- std::cout << std::boolalpha;
- std::cout << "things.a: " << things.a << std::endl;
- std::cout << "things.b: " << things.b << std::endl;
- std::cout << std::endl;
-
- return 0;
-}