Class MethodVariadicRuntime

Source/Utils/dukglue/detail_method.h:141–181

		template <bool isConst, typename Cls>
		struct MethodVariadicRuntime
		{
			typedef MethodInfo<isConst, Cls, duk_ret_t, duk_context*> MethodInfoVariadic;
			typedef typename MethodInfoVariadic::MethodHolder MethodHolderVariadic;

			static duk_ret_t finalize_method(duk_context* ctx)
			{
				return MethodInfoVariadic::MethodRuntime::finalize_method(ctx);
			}

			static duk_ret_t call_native_method(duk_context* ctx)
			{
				// get this.obj_ptr
				duk_push_this(ctx);
				duk_get_prop_string(ctx, -1, "\xFF" "obj_ptr");
				void* obj_void = duk_get_pointer(ctx, -1);
				if (obj_void == nullptr) {
					duk_error(ctx, DUK_RET_REFERENCE_ERROR, "Invalid native object for 'this'");
					return DUK_RET_REFERENCE_ERROR;
				}

				duk_pop_2(ctx);  // pop this.obj_ptr and this

				// get current_function.method_info
				duk_push_current_function(ctx);
				duk_get_prop_string(ctx, -1, "\xFF" "method_holder");
				void* method_holder_void = duk_require_pointer(ctx, -1);
				if (method_holder_void == nullptr) {
					duk_error(ctx, DUK_RET_TYPE_ERROR, "Method pointer missing?!");
					return DUK_RET_TYPE_ERROR;
				}

				duk_pop_2(ctx);

				// (should always be valid unless someone is intentionally messing with this.obj_ptr...)
				Cls* obj = static_cast<Cls*>(obj_void);
				MethodHolderVariadic* method_holder = static_cast<MethodHolderVariadic*>(method_holder_void);

				return (*obj.*method_holder->method)(ctx);
			}
		};
	}
}