aboutsummaryrefslogtreecommitdiffstats
path: root/lib/sol2/examples/source/customization_multiple.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'lib/sol2/examples/source/customization_multiple.cpp')
-rw-r--r--lib/sol2/examples/source/customization_multiple.cpp70
1 files changed, 0 insertions, 70 deletions
diff --git a/lib/sol2/examples/source/customization_multiple.cpp b/lib/sol2/examples/source/customization_multiple.cpp
deleted file mode 100644
index 2d5ae0f..0000000
--- a/lib/sol2/examples/source/customization_multiple.cpp
+++ /dev/null
@@ -1,70 +0,0 @@
-#define SOL_ALL_SAFETIES_ON 1
-#include <sol/sol.hpp>
-
-#include <iostream>
-#include "assert.hpp"
-
-struct two_things {
- int a;
- bool b;
-};
-
-template <typename Handler>
-bool sol_lua_check(sol::types<two_things>, lua_State* L, int index, Handler&& handler, sol::stack::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 = sol::stack::check<int>(L, absolute_index, handler) && sol::stack::check<bool>(L, absolute_index + 1, handler);
- tracking.use(2);
- return success;
-}
-
-two_things sol_lua_get(sol::types<two_things>, lua_State* L, int index, sol::stack::record& tracking) {
- int absolute_index = lua_absindex(L, index);
- // Get the first element
- int a = sol::stack::get<int>(L, absolute_index);
- // Get the second element,
- // in the +1 position from the first
- bool b = sol::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 };
-}
-
-int sol_lua_push(sol::types<two_things>, lua_State* L, const two_things& things) {
- int amount = sol::stack::push(L, things.a);
- // amount will be 1: int pushes 1 item
- amount += sol::stack::push(L, things.b);
- // amount 2 now, since bool pushes a single item
- // Return 2 things
- return amount;
-}
-
-int main() {
- std::cout << "=== customization ===" << std::endl;
- std::cout << std::boolalpha;
-
- sol::state lua;
- lua.open_libraries(sol::lib::base);
-
- // Create a pass-through style of function
- lua.script("function f ( a, b ) print(a, b) return a, b end");
-
- // get the function out of Lua
- sol::function f = lua["f"];
-
- two_things things = f(two_things{ 24, false });
- c_assert(things.a == 24);
- c_assert(things.b == false);
- // things.a == 24
- // things.b == true
-
- std::cout << "things.a: " << things.a << std::endl;
- std::cout << "things.b: " << things.b << std::endl;
- std::cout << std::endl;
-
- return 0;
-}