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42 lines
693 B
C++
42 lines
693 B
C++
#define SOL_CHECK_ARGUMENTS 1
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#include <sol.hpp>
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#include <cassert>
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#include <iostream>
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struct cpp_class {
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int value = 0;
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};
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int main(int, char*[]) {
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std::cout << "=== runtime_additions example ===" << std::endl;
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sol::state lua;
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lua.open_libraries(sol::lib::base);
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lua.new_usertype<cpp_class>("object");
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// runtime additions: through the sol API
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lua["object"]["func"] = [](cpp_class& o) {
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++o.value;
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return o.value;
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};
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// runtime additions: through a lua script
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lua.script(R"(
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function object:print ()
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print(self:func())
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end
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)");
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// see it work
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lua.script(R"(
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obj = object.new()
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obj:print()
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)");
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cpp_class& obj = lua["obj"];
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assert(obj.value == 1);
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return 0;
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}
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