summaryrefslogtreecommitdiffstatshomepage
path: root/3rdparty/sol2/examples/protected_functions.cpp
diff options
context:
space:
mode:
author Miodrag Milanovic <mmicko@gmail.com>2016-10-07 14:43:09 +0200
committer Miodrag Milanovic <mmicko@gmail.com>2016-10-07 14:43:09 +0200
commit377472a6dd2c9bdff4d5667f5789c49aee2abb4c (patch)
treea0ce4d6fc3db1524609efc61307d48448e703f38 /3rdparty/sol2/examples/protected_functions.cpp
parent1335933ce00cf6095e403a24d0b1dd9e0b565650 (diff)
Added sol2 header only library as future replacement for luabridge (nw)
Diffstat (limited to '3rdparty/sol2/examples/protected_functions.cpp')
-rw-r--r--3rdparty/sol2/examples/protected_functions.cpp47
1 files changed, 47 insertions, 0 deletions
diff --git a/3rdparty/sol2/examples/protected_functions.cpp b/3rdparty/sol2/examples/protected_functions.cpp
new file mode 100644
index 00000000000..340f0134d63
--- /dev/null
+++ b/3rdparty/sol2/examples/protected_functions.cpp
@@ -0,0 +1,47 @@
+#include <sol.hpp>
+
+#include <iostream>
+
+int main() {
+ std::cout << "=== protected_functions example ===" << std::endl;
+
+ sol::state lua;
+
+ // A complicated function which can error out
+ // We define both in terms of Lua code
+
+ lua.script(R"(
+ function handler (message)
+ return "Handled this message: " .. message
+ end
+
+ function f (a)
+ if a < 0 then
+ error("negative number detected")
+ end
+ return a + 5
+ end
+ )");
+
+ // Get a protected function out of Lua
+ sol::protected_function f = lua["f"];
+ // Set a non-default error handler
+ f.error_handler = lua["handler"];
+
+ sol::protected_function_result result = f(-500);
+ if (result.valid()) {
+ // Call succeeded
+ int x = result;
+ std::cout << "call succeeded, result is " << x << std::endl;
+ }
+ else {
+ // Call failed
+ sol::error err = result;
+ std::string what = err.what();
+ std::cout << "call failed, sol::error::what() is " << what << std::endl;
+ // 'what' Should read
+ // "Handled this message: negative number detected"
+ }
+
+ std::cout << std::endl;
+}