Renamed lib to deps so github will ignore it for language stats

1 files changed, 75 insertions, 0 deletions

diff --git a/deps/sol2/examples/source/indirect_function_calls.cpp b/deps/sol2/examples/source/indirect_function_calls.cpp
new file mode 100644
index 0000000..da9e13c
--- /dev/null
+++ b/deps/sol2/examples/source/indirect_function_calls.cpp
@@ -0,0 +1,75 @@
+#define SOL_ALL_SAFETIES_ON 1
+#include <sol/sol.hpp>
+
+#include "assert.hpp"
+#include <iostream>
+
+sol::variadic_results call_it(sol::object function_name, sol::variadic_args args, sol::this_environment env, sol::this_state L) {
+	sol::state_view lua = L;
+	// default to global table as environment
+	sol::environment function_environment = lua.globals();
+	if (env) {
+		// if we have an environment, use that instead
+		function_environment = env;
+	}
+
+	// get and call the function
+	sol::protected_function pf = function_environment[function_name];
+	sol::protected_function_result res = pf(args);
+
+	//
+	sol::variadic_results results;
+	if (!res.valid()) {
+		// something went wrong: log/crash/whatever
+		return results;
+	}
+	int returncount = res.return_count();
+	for (int i = 0; i < returncount; i++) {
+		// pass offset to get the object that was returned
+		sol::object obj = res.get<sol::object>(i);
+		results.push_back(obj);
+	}
+	// return the results
+	return results;
+}
+
+int main(int, char* []) {
+	std::cout << "=== indirect function calls ===" << std::endl;
+
+	sol::state lua;
+	lua.open_libraries(sol::lib::base);
+
+	lua["call_it"] = call_it;
+
+	// some functions to call
+	lua.script(R"(
+function add (a, b)
+	return a + b;
+end
+
+function subtract (a, b)
+	return a - b;
+end
+
+function log (x)
+	print(x)
+end
+)");
+
+	// call the functions indirectly, using a name
+	lua.script(R"(
+		call_it("log", "hiyo")
+		call_it("log", 24)
+		subtract_result = call_it("subtract", 5, 1)
+		add_result = call_it("add", 5, 1)
+	)");
+
+	int subtract_result = lua["subtract_result"];
+	int add_result = lua["add_result"];
+
+	c_assert(add_result == 6);
+	c_assert(subtract_result == 4);
+
+	std::cout << std::endl;
+	return 0;
+}