typedef void PyObject;

typedef PyObject* (*zero_arg)(void);

typedef PyObject* (*one_arg)(PyObject*);

typedef PyObject* (*two_arg)(PyObject*, PyObject*);

typedef PyObject* (*three_arg)(PyObject*, PyObject*, PyObject*);

#define TRY_RETURN_CALL(ty, args...) \

if (__builtin_wasm_test_function_pointer_signature((ty)func)) { \

return ((ty)func)(args); \

}

__attribute__((export_name("trampoline_call"))) PyObject*

trampoline_call(int* success,

void* func,

PyObject* self,

PyObject* args,

PyObject* kw)

{

*success = 1;

TRY_RETURN_CALL(three_arg, self, args, kw);

TRY_RETURN_CALL(two_arg, self, args);

TRY_RETURN_CALL(one_arg, self);

TRY_RETURN_CALL(zero_arg);

*success = 0;

return 0;

}