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authorAndy Belle-Isle <drumsetmonkey@gmail.com>2019-08-30 00:19:31 -0400
committerAndy Belle-Isle <drumsetmonkey@gmail.com>2019-08-30 00:19:31 -0400
commitbd3fe0cac583739bc0d7c4b5c8f301bb350abca0 (patch)
tree7eeb1aabcebd6999de1c3457d0882246ec0ff4d4 /deps/sol2/examples/source/environment_state.cpp
parent2662ac356ce14dacfbc91689fd37244facff4989 (diff)
Renamed lib to deps so github will ignore it for language stats
Diffstat (limited to 'deps/sol2/examples/source/environment_state.cpp')
-rw-r--r--deps/sol2/examples/source/environment_state.cpp36
1 files changed, 36 insertions, 0 deletions
diff --git a/deps/sol2/examples/source/environment_state.cpp b/deps/sol2/examples/source/environment_state.cpp
new file mode 100644
index 0000000..c876879
--- /dev/null
+++ b/deps/sol2/examples/source/environment_state.cpp
@@ -0,0 +1,36 @@
+#define SOL_ALL_SAFETIES_ON 1
+#include <sol/sol.hpp>
+
+#include <iostream>
+
+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;
+}