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authorAndy <drumsetmonkey@gmail.com>2019-08-29 13:07:45 -0400
committerAndy <drumsetmonkey@gmail.com>2019-08-29 13:07:45 -0400
commit4ac4b280abf2ffa28caa5a532353115a3033444f (patch)
tree2a13d658bb454360b2faf401244bb0321d3460d4 /lib/sol2/examples/source/metatable_key_low_level.cpp
parente9758416b18b27a65337c28d9641afc0ee89b34b (diff)
parent7a46fa2dd3dad3f038bf8e7339bc67abca428ae6 (diff)
Started creating scripting library/namespace and added sol2 for interfacing
Diffstat (limited to 'lib/sol2/examples/source/metatable_key_low_level.cpp')
-rw-r--r--lib/sol2/examples/source/metatable_key_low_level.cpp35
1 files changed, 35 insertions, 0 deletions
diff --git a/lib/sol2/examples/source/metatable_key_low_level.cpp b/lib/sol2/examples/source/metatable_key_low_level.cpp
new file mode 100644
index 0000000..8e79ab4
--- /dev/null
+++ b/lib/sol2/examples/source/metatable_key_low_level.cpp
@@ -0,0 +1,35 @@
+#define SOL_ALL_SAFETIES_ON 1
+#include <sol/sol.hpp>
+
+#include "assert.hpp"
+
+int main(int, char* []) {
+
+ struct bark {
+ int operator()(int x) {
+ return x;
+ }
+ };
+
+ sol::state lua;
+ lua.open_libraries(sol::lib::base);
+
+ lua.new_usertype<bark>("bark",
+ sol::meta_function::call_function, &bark::operator()
+ );
+
+ bark b;
+ lua.set("b", &b);
+
+ sol::table b_as_table = lua["b"];
+ sol::table b_metatable = b_as_table[sol::metatable_key];
+ sol::function b_call = b_metatable["__call"];
+ sol::function b_as_function = lua["b"];
+
+ int result1 = b_as_function(1);
+ // pass 'self' directly to argument
+ int result2 = b_call(b, 1);
+ c_assert(result1 == result2);
+ c_assert(result1 == 1);
+ c_assert(result2 == 1);
+}