def test_byval_argument(self):
"""
struct Point {
Signed x;
Signed y;
};
RPY_EXPORTED
Signed sum_point(struct Point p) {
return p.x + p.y;
}
"""
libfoo = CDLL(self.libfoo_name)
ffi_point_struct = make_struct_ffitype_e(0, 0, [types.signed, types.signed])
ffi_point = ffi_point_struct.ffistruct
sum_point = (libfoo, 'sum_point', [ffi_point], types.signed)
#
ARRAY = rffi.CArray(rffi.SIGNED)
buf = lltype.malloc(ARRAY, 2, flavor='raw')
buf[0] = 30
buf[1] = 12
adr = rffi.cast(rffi.VOIDP, buf)
res = self.call(sum_point, [('arg_raw', adr)], rffi.SIGNED,
jitif=["byval"])
assert res == 42
# check that we still have the ownership on the buffer
assert buf[0] == 30
assert buf[1] == 12
lltype.free(buf, flavor='raw')
lltype.free(ffi_point_struct, flavor='raw')
def test_byval_argument(self):
"""
struct Point {
Signed x;
Signed y;
};
RPY_EXPORTED
Signed sum_point(struct Point p) {
return p.x + p.y;
}
"""
libfoo = CDLL(self.libfoo_name)
ffi_point_struct = make_struct_ffitype_e(0, 0,
[types.signed, types.signed])
ffi_point = ffi_point_struct.ffistruct
sum_point = (libfoo, 'sum_point', [ffi_point], types.signed)
#
ARRAY = rffi.CArray(rffi.SIGNED)
buf = lltype.malloc(ARRAY, 2, flavor='raw')
buf[0] = 30
buf[1] = 12
adr = rffi.cast(rffi.VOIDP, buf)
res = self.call(sum_point, [('arg_raw', adr)],
rffi.SIGNED,
jitif=["byval"])
assert res == 42
# check that we still have the ownership on the buffer
assert buf[0] == 30
assert buf[1] == 12
lltype.free(buf, flavor='raw')
lltype.free(ffi_point_struct, flavor='raw')
def test_byval_result(self):
"""
RPY_EXPORTED
struct Point make_point(Signed x, Signed y) {
struct Point p;
p.x = x;
p.y = y;
return p;
}
"""
libfoo = CDLL(self.libfoo_name)
ffi_point_struct = make_struct_ffitype_e(
rffi.sizeof(rffi.SIGNED) * 2, 0, [types.signed, types.signed])
ffi_point = ffi_point_struct.ffistruct
libfoo = CDLL(self.libfoo_name)
make_point = (libfoo, 'make_point', [types.signed,
types.signed], ffi_point)
#
PTR = lltype.Ptr(rffi.CArray(rffi.SIGNED))
p = self.call(make_point, [12, 34],
PTR,
is_struct=True,
jitif=["byval"])
assert p[0] == 12
assert p[1] == 34
lltype.free(p, flavor='raw')
lltype.free(ffi_point_struct, flavor='raw')
def test_byval_result(self):
"""
struct Point make_point(Signed x, Signed y) {
struct Point p;
p.x = x;
p.y = y;
return p;
}
"""
libfoo = CDLL(self.libfoo_name)
ffi_point_struct = make_struct_ffitype_e(0, 0, [types.signed, types.signed])
ffi_point = ffi_point_struct.ffistruct
libfoo = CDLL(self.libfoo_name)
make_point = (libfoo, 'make_point', [types.signed, types.signed], ffi_point)
#
PTR = lltype.Ptr(rffi.CArray(rffi.SIGNED))
p = self.call(make_point, [12, 34], PTR, is_struct=True,
jitif=["byval"])
assert p[0] == 12
assert p[1] == 34
lltype.free(p, flavor='raw')
lltype.free(ffi_point_struct, flavor='raw')
