From dc2493e7525bb7633f697ef10f72b72b46222249 Mon Sep 17 00:00:00 2001 From: Andy Belle-Isle Date: Fri, 30 Aug 2019 00:45:36 -0400 Subject: Forget what I said, I just need to change git attributes to mark for vendor --- lib/sol2/examples/source/environment_state.cpp | 36 ++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 lib/sol2/examples/source/environment_state.cpp (limited to 'lib/sol2/examples/source/environment_state.cpp') diff --git a/lib/sol2/examples/source/environment_state.cpp b/lib/sol2/examples/source/environment_state.cpp new file mode 100644 index 0000000..c876879 --- /dev/null +++ b/lib/sol2/examples/source/environment_state.cpp @@ -0,0 +1,36 @@ +#define SOL_ALL_SAFETIES_ON 1 +#include + +#include + +int main(int, char*[]) { + std::cout << "=== environment state ===" << std::endl; + + sol::state lua; + lua.open_libraries(); + sol::environment my_env(lua, sol::create); + // set value, and we need to explicitly allow for + // access to "print", since a new environment hides + // everything that's not defined inside of it + // NOTE: hiding also hides library functions (!!) + // BE WARNED + my_env["var"] = 50; + my_env["print"] = lua["print"]; + + sol::environment my_other_env(lua, sol::create, lua.globals()); + // do not need to explicitly allow access to "print", + // since we used the "Set a fallback" version + // of the sol::environment constructor + my_other_env["var"] = 443; + + // output: 50 + lua.script("print(var)", my_env); + + // output: 443 + lua.script("print(var)", my_other_env); + + + std::cout << std::endl; + + return 0; +} -- cgit v1.2.3