diff options
Diffstat (limited to 'lib/sol2/examples/source/this_state.cpp')
| -rw-r--r-- | lib/sol2/examples/source/this_state.cpp | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/lib/sol2/examples/source/this_state.cpp b/lib/sol2/examples/source/this_state.cpp new file mode 100644 index 0000000..9dd91f0 --- /dev/null +++ b/lib/sol2/examples/source/this_state.cpp @@ -0,0 +1,29 @@ +#define SOL_ALL_SAFETIES_ON 1
+#include <sol/sol.hpp>
+
+#include "assert.hpp"
+
+int main () {
+ sol::state lua;
+
+ lua.set_function("bark", []( sol::this_state s, int a, int b ){
+ lua_State* L = s; // current state
+ return a + b + lua_gettop(L);
+ });
+
+ lua.script("first = bark(2, 2)"); // only takes 2 arguments, NOT 3
+
+ // Can be at the end, too, or in the middle: doesn't matter
+ lua.set_function("bark", []( int a, int b, sol::this_state s ){
+ lua_State* L = s; // current state
+ return a + b + lua_gettop(L);
+ });
+
+ lua.script("second = bark(2, 2)"); // only takes 2 arguments
+ int first = lua["first"];
+ c_assert(first == 6);
+ int second = lua["second"];
+ c_assert(second == 6);
+
+ return 0;
+}
\ No newline at end of file |