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import cffi
ffi = cffi.FFI()
ffi.embedding_api("""
int (*my_callback)(int);
int add_rec(int, int);
""")
ffi.embedding_init_code(r"""
from _add_recursive_cffi import ffi, lib
import sys
print("preparing REC")
sys.stdout.flush()
@ffi.def_extern()
def add_rec(x, y):
print("adding %d and %d" % (x, y))
sys.stdout.flush()
return x + y
x = lib.my_callback(400)
print('<<< %d >>>' % (x,))
""")
ffi.set_source("_add_recursive_cffi", """
/* use CFFI_DLLEXPORT: on windows, it expands to __declspec(dllexport),
which is needed to export a variable from a dll */
CFFI_DLLEXPORT int (*my_callback)(int);
""")
fn = ffi.compile(verbose=True)
print('FILENAME: %s' % (fn,))
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