diff options
Diffstat (limited to 'deps/sol2/examples/source/docs/state_script_safe.cpp')
| -rw-r--r-- | deps/sol2/examples/source/docs/state_script_safe.cpp | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/deps/sol2/examples/source/docs/state_script_safe.cpp b/deps/sol2/examples/source/docs/state_script_safe.cpp new file mode 100644 index 0000000..22defee --- /dev/null +++ b/deps/sol2/examples/source/docs/state_script_safe.cpp @@ -0,0 +1,35 @@ +#define SOL_ALL_SAFETIES_ON 1
+#include <sol/sol.hpp>
+
+#include <iostream>
+
+int main () {
+
+ std::cout << "=== safe_script usage ===" << std::endl;
+
+ sol::state lua;
+ // uses sol::script_default_on_error, which either panics or throws,
+ // depending on your configuration and compiler settings
+ try {
+ auto result1 = lua.safe_script("bad.code");
+ }
+ catch( const sol::error& e ) {
+ std::cout << "an expected error has occurred: " << e.what() << std::endl;
+ }
+
+ // a custom handler that you write yourself
+ // is only called when an error happens with loading or running the script
+ auto result2 = lua.safe_script("123 bad.code", [](lua_State*, sol::protected_function_result pfr) {
+ // pfr will contain things that went wrong, for either loading or executing the script
+ // the user can do whatever they like here, including throw. Otherwise...
+ sol::error err = pfr;
+ std::cout << "An error (an expected one) occurred: " << err.what() << std::endl;
+
+ // ... they need to return the protected_function_result
+ return pfr;
+ });
+
+ std::cout << std::endl;
+
+ return 0;
+}
|