moductypes: Swap address and descriptor args in constructor.
Now address comes first, and args related to struct type are groupped next. Besides clear groupping, should help catch errors eagerly (e.g. forgetting to pass address will error out). Also, improve args number checking/reporting overall.
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07408cbd1f
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1679696612
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@ -122,14 +122,11 @@ STATIC NORETURN void syntax_error(void) {
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}
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STATIC mp_obj_t uctypes_struct_make_new(mp_obj_t type_in, mp_uint_t n_args, mp_uint_t n_kw, const mp_obj_t *args) {
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(void)n_kw;
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if (n_args < 2 || n_args > 3) {
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syntax_error();
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}
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mp_arg_check_num(n_args, n_kw, 2, 3, false);
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mp_obj_uctypes_struct_t *o = m_new_obj(mp_obj_uctypes_struct_t);
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o->base.type = type_in;
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o->desc = args[0];
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o->addr = (void*)mp_obj_get_int(args[1]);
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o->addr = (void*)mp_obj_get_int(args[0]);
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o->desc = args[1];
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o->flags = LAYOUT_NATIVE;
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if (n_args == 3) {
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o->flags = mp_obj_get_int(args[2]);
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@ -7,7 +7,7 @@ desc = {
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data = bytearray(b"01234567")
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S = uctypes.struct(desc, uctypes.addressof(data), uctypes.LITTLE_ENDIAN)
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S = uctypes.struct(uctypes.addressof(data), desc, uctypes.LITTLE_ENDIAN)
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# Arrays of UINT8 are accessed as bytearrays
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print(S.arr)
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@ -22,7 +22,7 @@ desc = {
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data = bytearray(b"01")
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S = uctypes.struct(desc, uctypes.addressof(data), uctypes.LITTLE_ENDIAN)
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S = uctypes.struct(uctypes.addressof(data), desc, uctypes.LITTLE_ENDIAN)
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#print(S)
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print(hex(S.s0))
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@ -31,7 +31,7 @@ desc = {
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data = bytearray(b"01")
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S = uctypes.struct(desc, uctypes.addressof(data), uctypes.NATIVE)
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S = uctypes.struct(uctypes.addressof(data), desc, uctypes.NATIVE)
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#print(S)
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print(hex(S.s0))
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@ -16,7 +16,7 @@ bytes = b"01"
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addr = uctypes.addressof(bytes)
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buf = addr.to_bytes(uctypes.sizeof(desc))
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S = uctypes.struct(desc, uctypes.addressof(buf), uctypes.LITTLE_ENDIAN)
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S = uctypes.struct(uctypes.addressof(buf), desc, uctypes.LITTLE_ENDIAN)
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print(S.ptr[0])
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assert S.ptr[0] == ord("0")
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@ -17,7 +17,7 @@ bytes = b"01"
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addr = uctypes.addressof(bytes)
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buf = addr.to_bytes(uctypes.sizeof(desc))
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S = uctypes.struct(desc, uctypes.addressof(buf), uctypes.NATIVE)
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S = uctypes.struct(uctypes.addressof(buf), desc, uctypes.NATIVE)
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print(S.ptr[0])
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assert S.ptr[0] == ord("0")
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@ -10,7 +10,7 @@ desc = {
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data = bytearray(b"01234567")
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S = uctypes.struct(desc, uctypes.addressof(data), uctypes.LITTLE_ENDIAN)
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S = uctypes.struct(uctypes.addressof(data), desc, uctypes.LITTLE_ENDIAN)
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print(uctypes.sizeof(S.arr))
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assert uctypes.sizeof(S.arr) == 2
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@ -32,7 +32,7 @@ S5 = {
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assert uctypes.sizeof(S5) == 12
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s5 = uctypes.struct(S5, 0)
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s5 = uctypes.struct(0, S5)
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assert uctypes.sizeof(s5) == 12
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assert uctypes.sizeof(s5.sub) == 2
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